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Cheap flights from Idaho Falls (IDA) to Heathrow (LHR) from $617

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. 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.
IDA — LHR
Jun 6 — Jun 131
From?
To?
Thu 6/6
Thu 6/13
1 adult, Economy
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Cheap flight deals from Idaho Falls to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Heathrow (LHR). 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 1, 2024.

Round-trip from

$643
From Idaho Falls Fanning Field to London Heathrow
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What is the cheapest day to fly round-trip from Idaho Falls to London Heathrow Airport?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 48%.

What is the cheapest month to fly from Idaho Falls to London Heathrow Airport?

March is one of the best times of the year to fly to London Heathrow Airport from Idaho Falls. Prices for March average $984 per person but you can even find prices for as low as $657. The most expensive prices can be found in the month of June. Opting for a March flight can save you 76% on your journey compared to booking in June

What is the cheapest time of day to fly from IDA to LHR?

Unlike in the morning, when flights are generally more expensive, you can save up to 2% on flights from Idaho Falls to London Heathrow Airport by exploring options for tickets at noon.

Cheap American Airlines flights from Idaho Falls to Heathrow

Explore cheap flight options specifically provided by American Airlines for the route between Idaho Falls and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 1, 2024.
Check out some of the cheapest American Airlines flights we've come across from Idaho Falls to London. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 9/247:00 amIDA - LHR
1 stop22h 45mAmerican Airlines
Wed 10/28:50 amLHR - IDA
2 stops19h 44mAmerican Airlines
Deal found 6/1$617
Tue 9/241:42 pmIDA - LHR
2 stops15h 28mAmerican Airlines
Wed 10/26:45 amLHR - IDA
2 stops21h 49mAmerican Airlines
Deal found 6/1$620
Wed 8/141:41 pmIDA - LHR
2 stops16h 04mAmerican Airlines
Wed 8/218:20 amLHR - IDA
2 stops20h 11mAmerican Airlines
Deal found 5/31$722
Sun 6/166:32 amIDA - LHR
1 stop16h 53mAmerican Airlines
Sun 6/239:30 amLHR - IDA
2 stops19h 13mAmerican Airlines
Deal found 5/30$1,244
Mon 6/171:43 pmIDA - LHR
2 stops18h 17mAmerican Airlines
Sun 6/239:30 amLHR - IDA
2 stops19h 13mAmerican Airlines
Deal found 5/30$1,247
Sun 6/166:32 amIDA - LHR
1 stop23h 13mAmerican Airlines
Sun 6/2310:30 amLHR - IDA
1 stop18h 13mAmerican Airlines
Deal found 5/30$1,293
Sat 6/151:43 pmIDA - LHR
1 stop33h 42mAmerican Airlines
Sun 6/2310:30 amLHR - IDA
1 stop18h 13mAmerican Airlines
Deal found 5/30$1,302
Mon 6/176:32 amIDA - LHR
1 stop23h 13mAmerican Airlines
Sun 6/238:40 amLHR - IDA
1 stop20h 03mAmerican Airlines
Deal found 5/30$10,598
Mon 6/176:32 amIDA - LHR
2 stops18h 13mAmerican Airlines
Sun 6/238:40 amLHR - IDA
1 stop20h 03mAmerican Airlines
Deal found 5/30$13,552

Cheap United Airlines flights from Idaho Falls to Heathrow

Explore cheap flight options specifically provided by United Airlines for the route between Idaho Falls and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 1, 2024.
Some of the lowest-priced United Airlines flights we've found at this time heading from Idaho Falls to London. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Tue 10/17:00 amIDA - LHR
1 stop19h 40mUnited Airlines
Thu 10/3111:10 amLHR - IDA
2 stops28h 18mUnited Airlines
Deal found 6/1$634
Tue 10/110:55 amIDA - LHR
2 stops16h 45mUnited Airlines
Thu 10/317:40 amLHR - IDA
2 stops19h 13mUnited Airlines
Deal found 6/1$638
Tue 9/2410:40 amIDA - LHR
1 stop16h 00mUnited Airlines
Wed 10/211:05 amLHR - IDA
1 stop13h 10mUnited Airlines
Deal found 6/1$647
Tue 10/17:00 amIDA - LHR
1 stop19h 40mUnited Airlines
Thu 10/3111:35 amLHR - IDA
1 stop15h 18mUnited Airlines
Deal found 5/31$648
Mon 6/175:56 pmIDA - LHR
1 stop32h 44mUnited Airlines
Sun 6/2311:05 amLHR - IDA
1 stop17h 03mUnited Airlines
Deal found 5/30$1,271
Sat 6/155:56 pmIDA - LHR
2 stops29h 34mUnited Airlines
Sun 6/2311:05 amLHR - IDA
1 stop13h 10mUnited Airlines
Deal found 5/30$1,496
Sun 6/165:56 pmIDA - LHR
1 stop11h 24mUnited Airlines
Sun 6/2311:05 amLHR - IDA
1 stop29h 35mUnited Airlines
Deal found 5/30$1,531
Mon 6/1710:45 amIDA - LHR
1 stop15h 55mUnited Airlines
Sun 6/232:05 pmLHR - IDA
2 stops34h 10mUnited Airlines
Deal found 5/30$2,553
Mon 6/1710:45 amIDA - LHR
2 stops18h 00mUnited Airlines
Sun 6/232:05 pmLHR - IDA
2 stops38h 03mUnited Airlines
Deal found 5/30$2,558

Cheap Idaho Falls to Heathrow flights in June & July 2024

Find cheap flight options from Idaho Falls to Heathrow specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 1, 2024.
The lowest fares we've come across on flights traveling from Idaho Falls to London in June and July 2024. Check back in a little while for more flight options.
Sun 6/22:30 pmIDA - LHR
1 stop12h 10mUnited Airlines
Tue 6/1112:15 pmLHR - IDA
2 stops28h 25mUnited Airlines
Deal found 5/31$778
Sat 6/156:10 amIDA - LHR
2 stops18h 05mDelta
Sat 6/2210:55 amLHR - IDA
1 stop14h 37mDelta
Deal found 5/30$962
Sat 6/151:43 pmIDA - LHR
1 stop14h 02mMultiple Airlines
Sat 6/221:10 pmLHR - IDA
1 stop15h 33mMultiple Airlines
Deal found 5/30$1,143
Sun 6/166:32 amIDA - LHR
1 stop16h 53mAmerican Airlines
Sun 6/239:30 amLHR - IDA
2 stops19h 13mAmerican Airlines
Deal found 5/30$1,244
Mon 6/171:43 pmIDA - LHR
2 stops18h 17mAmerican Airlines
Sun 6/239:30 amLHR - IDA
2 stops19h 13mAmerican Airlines
Deal found 5/30$1,247
Sun 6/167:00 pmIDA - LHR
2 stops29h 15mDelta
Sun 6/236:15 amLHR - IDA
2 stops23h 02mDelta
Deal found 5/30$1,262
Mon 6/175:56 pmIDA - LHR
1 stop32h 44mUnited Airlines
Sun 6/2311:05 amLHR - IDA
1 stop17h 03mUnited Airlines
Deal found 5/30$1,271
Sun 6/166:32 amIDA - LHR
1 stop23h 13mAmerican Airlines
Sun 6/2310:30 amLHR - IDA
1 stop18h 13mAmerican Airlines
Deal found 5/30$1,293
Sat 6/151:43 pmIDA - LHR
1 stop33h 42mAmerican Airlines
Sun 6/2310:30 amLHR - IDA
1 stop18h 13mAmerican Airlines
Deal found 5/30$1,302

Idaho Falls to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Idaho Falls and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 1, 2024.
The lowest fares we've come across on flights traveling from Idaho Falls to London in June and July 2024. Check back in a little while for more flight options.
Tue 9/247:00 amIDA - LHR
1 stop22h 45mAmerican Airlines
Wed 10/28:50 amLHR - IDA
2 stops19h 44mAmerican Airlines
Deal found 6/1$617
Tue 9/241:42 pmIDA - LHR
2 stops15h 28mAmerican Airlines
Wed 10/26:45 amLHR - IDA
2 stops21h 49mAmerican Airlines
Deal found 6/1$620
Tue 10/17:00 amIDA - LHR
1 stop19h 40mUnited Airlines
Thu 10/3111:10 amLHR - IDA
2 stops28h 18mUnited Airlines
Deal found 6/1$634
Tue 10/110:55 amIDA - LHR
2 stops16h 45mUnited Airlines
Thu 10/317:40 amLHR - IDA
2 stops19h 13mUnited Airlines
Deal found 6/1$638
Tue 9/2410:40 amIDA - LHR
1 stop16h 00mUnited Airlines
Wed 10/211:05 amLHR - IDA
1 stop13h 10mUnited Airlines
Deal found 6/1$647
Tue 10/17:00 amIDA - LHR
1 stop19h 40mUnited Airlines
Thu 10/3111:35 amLHR - IDA
1 stop15h 18mUnited Airlines
Deal found 5/31$648
Wed 8/146:14 amIDA - LHR
1 stop21h 26mMultiple Airlines
Wed 8/211:05 pmLHR - IDA
1 stop15h 26mMultiple Airlines
Deal found 5/31$718
Wed 8/141:41 pmIDA - LHR
2 stops16h 04mAmerican Airlines
Wed 8/218:20 amLHR - IDA
2 stops20h 11mAmerican Airlines
Deal found 5/31$722
Sun 6/22:30 pmIDA - LHR
1 stop12h 10mUnited Airlines
Tue 6/1112:15 pmLHR - IDA
2 stops28h 25mUnited Airlines
Deal found 5/31$778

Find flights from Idaho Falls to Heathrow within your budget

Customize your flight search to find flights from Idaho Falls to Heathrow 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 2,810,401 searches. Data last updated June 1, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$617 - $1,462

Route

Depart

Return

Price

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 9/24

1 stop22h 45m

London Heathrow

Wed 10/2

2 stops19h 44m

$617

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 9/24

2 stops15h 28m

London Heathrow

Wed 10/2

2 stops21h 49m

$620

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop19h 40m

London Heathrow

Thu 10/31

2 stops28h 18m

$634

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

2 stops16h 45m

London Heathrow

Thu 10/31

2 stops19h 13m

$638

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 9/24

1 stop16h 00m

London Heathrow

Wed 10/2

1 stop13h 10m

$647

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop19h 40m

London Heathrow

Thu 10/31

1 stop15h 18m

$648

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 8/14

1 stop21h 26m

London Heathrow

Wed 8/21

1 stop15h 26m

$718

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sat 6/15

2 stops18h 05m

London Heathrow

Sat 6/22

1 stop14h 37m

$962

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sun 6/16

2 stops17h 25m

London Heathrow

Sat 6/22

2 stops30h 41m

$1,462

Flights are sorted by cheapest first

Deals found on 6/1

What is the cheapest day to fly from Idaho Falls to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Idaho Falls to Heathrow. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Idaho Falls to London Heathrow Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Friday at noon 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 Idaho Falls to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Idaho Falls 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 Heathrow by month

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

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated June 1, 2024.
To help decide which airline to fly from Idaho Falls to London, see what other customers have to say about American Airlines, United Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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.

Delta
8.0
Very good
10,410 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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.

KLM
7.9
Good
1,512 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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.

Air France
7.5
Good
1,729 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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.

United Airlines
7.4
Good
10,754 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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.

American Airlines
7.3
Good
14,268 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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 Idaho Falls to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to London Heathrow?

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly out of when you book flights from Idaho Falls to London Heathrow. 2 airlines have flights from Fanning Field to London Heathrow on a regular basis. Booking flights from Idaho Falls Fanning Field to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • Can I find flights from Idaho Falls to London Heathrow Airport for under $700 on Cheapflights?

    Yes, there are multiple flights from Idaho Falls to London Heathrow Airport for under $700. The cheapest flight booked recently is on American Airlines for just $617, but on average you can expect to pay $994.

  • What are the cheapest airlines flying from Idaho Falls to London Heathrow Airport round-trip?

    American Airlines, at $617, was found to be the cheapest airline from Idaho Falls to London Heathrow Airport.Alternate airlines to your destination round-trip include United Airlines and Delta.

  • What does IDA to LHR mean?

    This is defined as Idaho Falls Fanning Field Airport (IDA) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Idaho Falls to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Idaho Falls to Heathrow 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 Idaho Falls to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Idaho Falls to Heathrow 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 Idaho Falls to Heathrow that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Heathrow.

  • Can I find deals for business class flights from Idaho Falls to Heathrow?

    Yes. Cheapflights offers flight deals from Idaho Falls to Heathrow 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 Idaho Falls to Heathrow that allow pets onboard?

    Many airlines flying from Idaho Falls to Heathrow 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 Idaho Falls to Heathrow?

    Yes, you can often find last-minute deals on Idaho Falls to Heathrow 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 Idaho Falls to London Heathrow Airport flight deals updated?

    The Idaho Falls to London Heathrow Airport flight deals you see on this page were last updated on 6/1.

  • What is the cheapest month to book a flight from Idaho Falls to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Idaho Falls to London Heathrow Airport (average of $652). Flying from Idaho Falls to London Heathrow Airport in June is currently the most expensive (average of $1,114). 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

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Alternative routes for Idaho Falls to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Idaho Falls to Heathrow

Discover the top 2 airlines that operate flights from Idaho Falls to Heathrow. 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 2,810,401 searches. Data last updated June 1, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$675Average$773FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$714Average$901FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Idaho Falls to Heathrow by cabin class

Find flights from Idaho Falls to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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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 Idaho Falls to Heathrow?

Cheapflights makes it easy to find Idaho Falls to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Idaho Falls to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Idaho Falls.

Can Cheapflights find flights from Idaho Falls to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Idaho Falls to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Idaho Falls to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Idaho Falls to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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