Cheap flights from St. Louis (STL) to Mexico City (MEX) from $182

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — MEX
Jun 10 — Jun 171

The best prices from Lambert-St Louis to Mexico City Benito Juarez are usually found in January or February, booked 52 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap flight deals from St. Louis to Mexico City

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Mexico City (MEX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 5, 2024.

Popular in

December

Cheapest in

January

Round-trip from

$382

One-way from

$248
High demand for flights, 13% potential price rise
Best time to find cheap flights, 9% potential price drop
From Lambert-St Louis to Mexico City Benito Juarez
One-way flight from Lambert-St Louis to Mexico City Benito Juarez

What is the cheapest day to fly round-trip from St. Louis to Mexico City?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 11% when planning your travel around this day of the week.

How far in advance should I book a flight from St. Louis to Mexico City?

To save on the cost of your flight from St. Louis to Mexico City, book at least 53 days before your planned departure. Booking around this time can save you about 13% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $532 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $532.

What is the cheapest month to fly from St. Louis to Mexico City?

January is one of the best times of the year to fly to Mexico City from St. Louis. Prices for January average $637 per person but you can even find prices for as low as $494. The most expensive prices can be found in the month of December. Opting for a January flight can save you 14% on your journey compared to booking in December

What is the cheapest time of day to fly from STL to MEX?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Mexico City at noon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the afternoon.

Cheap St. Louis to Mexico City flights in June & July 2024

Find cheap flight options from St. Louis to Mexico City specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,009,960 searches. Prices were last updated on June 5, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Mexico City in 2024. Check back regularly for other flight deals.
Mon 6/242:18 pmSTL - MEX
1 stop9h 32mFrontier
Wed 7/311:45 amMEX - STL
1 stop22h 29mFrontier
Deal found 6/4$455
Thu 7/46:22 pmSTL - MEX
2 stops28h 38mMultiple Airlines
Wed 7/1012:40 amMEX - STL
2 stops15h 05mMultiple Airlines
Deal found 6/4$482
Thu 7/49:02 pmSTL - MEX
1 stop21h 28mMultiple Airlines
Wed 7/1012:40 amMEX - STL
2 stops18h 15mMultiple Airlines
Deal found 6/4$487
Tue 6/113:47 pmSTL - MEX
1 stop26h 43mFrontier
Thu 6/133:45 pmMEX - STL
2 stops16h 55mFrontier
Deal found 6/3$496
Mon 6/242:18 pmSTL - MEX
1 stop9h 32mFrontier
Wed 7/311:15 pmMEX - STL
2 stops32h 21mFrontier
Deal found 6/4$499
Wed 7/312:15 pmSTL - MEX
2 stops17h 35mMultiple Airlines
Mon 7/86:50 pmMEX - STL
2 stops18h 33mMultiple Airlines
Deal found 6/4$500
Tue 7/93:47 pmSTL - MEX
1 stop26h 43mFrontier
Sat 8/38:10 amMEX - STL
1 stop26h 58mFrontier
Deal found 6/4$502
Tue 7/911:57 amSTL - MEX
1 stop8h 38mMultiple Airlines
Sat 8/39:35 pmMEX - STL
3 stops36h 55mMultiple Airlines
Deal found 6/4$505
Wed 7/37:29 pmSTL - MEX
1 stop25h 06mFrontier
Mon 7/85:45 pmMEX - STL
1 stop23h 01mFrontier
Deal found 6/4$506

St. Louis to Mexico City 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Mexico City in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 5, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Mexico City in 2024. Check back regularly for other flight deals.
Sun 9/86:24 pmSTL - MEX
2 stops24h 31mMultiple Airlines
Fri 9/2711:15 pmMEX - STL
1 stop17h 29mMultiple Airlines
Deal found 6/4$401
Mon 9/97:29 pmSTL - MEX
1 stop26h 41mFrontier
Sun 9/293:30 pmMEX - STL
1 stop20h 52mFrontier
Deal found 6/4$449
Mon 6/242:18 pmSTL - MEX
1 stop9h 32mFrontier
Wed 7/311:45 amMEX - STL
1 stop22h 29mFrontier
Deal found 6/4$455
Sun 9/86:42 pmSTL - MEX
2 stops19h 58mFrontier
Fri 9/273:30 pmMEX - STL
2 stops17h 07mFrontier
Deal found 6/4$479
Thu 7/46:22 pmSTL - MEX
2 stops28h 38mMultiple Airlines
Wed 7/1012:40 amMEX - STL
2 stops15h 05mMultiple Airlines
Deal found 6/4$482
Thu 7/49:02 pmSTL - MEX
1 stop21h 28mMultiple Airlines
Wed 7/1012:40 amMEX - STL
2 stops18h 15mMultiple Airlines
Deal found 6/4$487
Fri 8/92:22 pmSTL - MEX
1 stop9h 28mFrontier
Mon 8/1211:15 pmMEX - STL
1 stop17h 29mFrontier
Deal found 6/4$492
Wed 11/2011:33 amSTL - MEX
1 stop12h 57mFrontier
Sun 11/247:00 pmMEX - STL
1 stop22h 44mFrontier
Deal found 6/4$493
Tue 6/113:47 pmSTL - MEX
1 stop26h 43mFrontier
Thu 6/133:45 pmMEX - STL
2 stops16h 55mFrontier
Deal found 6/3$496

St. Louis to Mexico City flights leaving soon

Find last-minute flight options from St. Louis to Mexico City for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 5, 2024.
Have a look at some of the last-minute flights available departing from St. Louis to Mexico City. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Tue 6/113:47 pmSTL - MEX
1 stop26h 43mFrontier
Thu 6/133:45 pmMEX - STL
2 stops16h 55mFrontier
Deal found 6/3$496
Sat 6/157:29 pmSTL - MEX
1 stop26h 41mFrontier
Sat 6/2911:45 amMEX - STL
1 stop21h 57mFrontier
Deal found 6/4$537
Tue 6/113:47 pmSTL - MEX
1 stop26h 43mFrontier
Thu 6/135:25 amMEX - STL
1 stop11h 18mFrontier
Deal found 6/3$554
Tue 6/117:29 pmSTL - MEX
1 stop25h 31mMultiple Airlines
Wed 6/1212:40 amMEX - STL
2 stops18h 15mMultiple Airlines
Deal found 6/3$556
Fri 6/147:29 pmSTL - MEX
1 stop26h 41mFrontier
Sat 6/2911:45 amMEX - STL
1 stop21h 57mFrontier
Deal found 6/4$567
Sat 6/158:02 pmSTL - MEX
2 stops26h 58mFrontier
Sat 6/2911:45 amMEX - STL
1 stop21h 57mFrontier
Deal found 6/4$596
Sat 6/1512:15 pmSTL - MEX
2 stops17h 35mMultiple Airlines
Sat 6/2910:05 pmMEX - STL
2 stops19h 00mMultiple Airlines
Deal found 6/4$610
Sat 6/157:29 pmSTL - MEX
1 stop26h 41mFrontier
Sat 7/138:10 amMEX - STL
1 stop27h 38mFrontier
Deal found 6/4$621
Sat 6/1511:34 amSTL - MEX
3 stops23h 21mMultiple Airlines
Sat 6/299:00 pmMEX - STL
2 stops20h 05mMultiple Airlines
Deal found 6/4$626

One-way flights to Mexico City from St. Louis

Search for one-way flight options from St. Louis to Mexico City. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 5, 2024.
Users in need of a one-way flight from St. Louis to Mexico City can choose from these deals. Users in need of a round-trip flight from St. Louis to Mexico City instead should update the search form at the top of page.
Mon 7/2212:15 pmSTL - MEX
2 stops23h 30mMultiple Airlines
Deal found 6/4$182
Tue 7/2310:11 amSTL - MEX
2 stops24h 44mMultiple Airlines
Deal found 6/4$192
Wed 11/2011:33 amSTL - MEX
1 stop12h 37mFrontier
Deal found 6/4$217
Tue 7/23:47 pmSTL - MEX
1 stop26h 43mMultiple Airlines
Deal found 6/5$224
Tue 7/27:29 pmSTL - MEX
2 stops26h 56mMultiple Airlines
Deal found 6/5$228
Mon 7/222:21 pmSTL - MEX
1 stop9h 29mFrontier
Deal found 6/4$241
Tue 7/2310:32 pmSTL - MEX
1 stop23h 38mMultiple Airlines
Deal found 6/4$246
Thu 11/217:29 pmSTL - MEX
1 stop24h 16mFrontier
Deal found 6/4$248
Tue 7/23:23 pmSTL - MEX
3 stops19h 32mMultiple Airlines
Deal found 6/5$251

Find flights from St. Louis to Mexico City within your budget

Customize your flight search to find flights from St. Louis to Mexico City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$401 - $695

Route

Depart

Return

Price

Lambert-St LouisMexico City Benito Juarez

STL - MEX

STLMEX

Lambert-St Louis

Sun 9/8

2 stops24h 31m

Mexico City Benito Juarez

Fri 9/27

1 stop17h 29m

$401

Lambert-St LouisMexico City Benito Juarez

STL - MEX

STLMEX

Lambert-St Louis

Mon 9/9

1 stop26h 41m

Mexico City Benito Juarez

Sun 9/29

1 stop20h 52m

$449

Lambert-St LouisMexico City Benito Juarez

STL - MEX

STLMEX

Lambert-St Louis

Mon 6/24

1 stop9h 32m

Mexico City Benito Juarez

Wed 7/3

1 stop22h 29m

$455

Lambert-St LouisMexico City Benito Juarez

STL - MEX

STLMEX

Lambert-St Louis

Sun 9/8

2 stops19h 58m

Mexico City Benito Juarez

Fri 9/27

2 stops17h 07m

$479

Lambert-St LouisMexico City Benito Juarez

STL - MEX

STLMEX

Lambert-St Louis

Thu 7/4

2 stops28h 38m

Mexico City Benito Juarez

Wed 7/10

2 stops15h 05m

$482

Lambert-St LouisMexico City Benito Juarez

STL - MEX

STLMEX

Lambert-St Louis

Thu 7/4

1 stop11h 33m

Mexico City Benito Juarez

Thu 7/11

1 stop7h 35m

$515

Lambert-St LouisMexico City Benito Juarez

STL - MEX

STLMEX

Lambert-St Louis

Thu 8/8

2 stops11h 25m

Mexico City Benito Juarez

Mon 8/12

1 stop15h 00m

$535

Lambert-St LouisMexico City Benito Juarez

STL - MEX

STLMEX

Lambert-St Louis

Thu 8/1

1 stop12h 30m

Mexico City Benito Juarez

Thu 8/8

2 stops18h 37m

$589

Lambert-St LouisMexico City Benito Juarez

STL - MEX

STLMEX

Lambert-St Louis

Fri 11/22

2 stops24h 30m

Mexico City Benito Juarez

Thu 11/28

2 stops12h 44m

$695

Flights are sorted by cheapest first

Deals found on 6/4

How far ahead should I book a flight from St. Louis to Mexico City?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Mexico City. Price data was last updated on May 31, 2024.
The price you pay for your flight from St. Louis to Mexico City may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from St. Louis to Mexico City?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Mexico City. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Mexico City flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Mexico City

Have a flexible travel schedule? Discover the best time to fly to Mexico City from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Mexico City by month

Plan your trip to Mexico City by taking into account the average temperature and rainfall totals by month.

MEX

Temperature

55.4 - 66.2 °F

If weather is an important factor for your trip to Mexico City, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Mexico City

Get insights into the airlines that provide service to Mexico City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mexico City. Reviews last updated June 5, 2024.
Read through reviews of airlines operating flights from St. Louis to Mexico City, such as Frontier, American Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,377 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,377 reviews
8.0
Very good
10,377 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
2,450 reviews
8.0
Very good
10,377 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
2,860 reviews
8.0
Very good
10,377 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
10,703 reviews
8.0
Very good
10,377 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.3
Good
14,229 reviews
8.0
Very good
10,377 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Mexico City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from St. Louis to Mexico City for under $500 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Mexico City for under $500. The cheapest flight booked recently is on Multiple Airlines for just $401, but on average you can expect to pay $489.

  • Are there last-minute flights available from St. Louis to Mexico City for under $500?

    There are currently 18+ open flights from St. Louis to Mexico City within the next 7 days for less than $500.

  • What are the cheapest airlines flying from St. Louis to Mexico City round-trip?

    Frontier, at $449, was found to be the cheapest airline from St. Louis to Mexico City. An alternate airline flying to your destination would be American Airlines. These flights start at 29% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Mexico City one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $217. Users have also found prices from $295 and $306 on Delta and Air Canada, respectively.

  • What does STL to MEX mean?

    STL and MEX are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to MEX refers to a flight route from Lambert-St Louis Airport to Mexico City Benito Juarez Airport.

  • Can I find deals for flights from St. Louis to Mexico City that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Mexico City flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Mexico City with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Mexico City flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Mexico City that include hotel bookings?

    Yes. In addition to deals on St. Louis to Mexico City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Mexico City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Mexico City.

  • Can I find deals for business class flights from St. Louis to Mexico City?

    Yes. Cheapflights offers flight deals from St. Louis to Mexico City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Mexico City that allow pets onboard?

    Many airlines flying from St. Louis to Mexico City offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Mexico City?

    Yes, you can often find last-minute deals on St. Louis to Mexico City flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Mexico City flight deals updated?

    The St. Louis to Mexico City flight deals you see on this page were last updated on 6/4.

  • What are the most popular airlines that fly from St. Louis to Mexico City?

  • What is the cheapest month to book a flight from St. Louis to Mexico City?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Mexico City (average of $382). Flying from St. Louis to Mexico City in July is currently the most expensive (average of $508). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Mexico City
See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from St. Louis to Mexico City

Discover the top 5 airlines that operate flights from St. Louis to Mexico City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$474Average$517FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$502Average$621FlexibilityNo cancel feeOn-time71%
DeltaCheapest$504Average$629FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$510Average$645FlexibilityNo cancel feeOn-time69%
AeromexicoCheapest$521Average$617FlexibilityNo cancel feeOn-timeN/A

Search flights from St. Louis to Mexico City by cabin class

Find flights from St. Louis to Mexico City, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Mexico City?

When you search for this flight from St. Louis to Mexico City, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Mexico City?

Cheapflights helps you find that perfect flight to Mexico City from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Mexico City with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to Mexico City with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Mexico City become cheaper?

Not ready to book yet? You can track prices for flights from St. Louis to Mexico City on Cheapflights with our Price Alert feature and get notified when better prices are available.

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