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Cheap flights from Boston (BOS) to Cardiff (CWL) from $792

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 11/29. 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.
BOS — CWL
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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Cheap flight deals from Boston to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Cardiff (CWL). 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 6, 2024.

Popular in

December

Cheapest in

October

Average price

$1,328

Round-trip from

$708
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 31% potential price drop
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Average for round-trip flights in June 2024
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From Boston Logan Intl to Cardiff Wales
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What is the cheapest day to fly round-trip from Boston to Cardiff?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 46%.

What is the cheapest month to fly from Boston to Cardiff?

The best pricing can be found in the month of October. Prices to Cardiff from Boston average $1,007. You can even find prices in October for less than $1,007, as users have found deals to Cardiff from as low as $421. The month of December appears to be one of the more expensive times to travel to Cardiff from Boston. Flying in the targeted month can save you up to 38%.

What is the cheapest time of day to fly from BOS to CWL?

A simple way to save on the total cost of your ticket is to fly from Boston to Cardiff at noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.

Cheap Boston to Cardiff flights in June & July 2024

Find cheap flight options from Boston to Cardiff 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 6, 2024.
Check out some of the best flight deals from Boston to Cardiff in 2024. Check back regularly for other flight deals.
Fri 7/197:00 pmBOS - CWL
1 stop9h 15mKLM
Thu 7/259:45 amCWL - BOS
1 stop11h 55mKLM
Deal found 6/4$1,031
Fri 7/194:50 pmBOS - CWL
1 stop11h 25mDelta
Thu 7/259:45 amCWL - BOS
1 stop11h 55mDelta
Deal found 6/6$1,044
Fri 7/198:25 pmBOS - CWL
1 stop15h 20mAir France
Thu 7/255:15 pmCWL - BOS
2 stops30h 34mAir France
Deal found 6/4$1,097
Fri 7/197:00 pmBOS - CWL
1 stop9h 15mDelta
Thu 7/259:45 amCWL - BOS
2 stops17h 47mDelta
Deal found 6/5$1,245
Fri 7/197:00 pmBOS - CWL
1 stop9h 15mDelta
Thu 7/259:45 amCWL - BOS
2 stops17h 47mDelta
Deal found 6/6$1,246
Fri 7/1910:35 pmBOS - CWL
2 stops13h 10mKLM
Thu 7/259:45 amCWL - BOS
2 stops15h 50mKLM
Deal found 6/6$1,308
Fri 7/1910:35 pmBOS - CWL
2 stops13h 10mKLM
Thu 7/259:45 amCWL - BOS
2 stops15h 50mKLM
Deal found 6/5$1,311
Mon 6/1710:35 pmBOS - CWL
2 stops13h 10mAir France
Sat 6/225:15 pmCWL - BOS
2 stops50h 50mAir France
Deal found 6/5$1,542
Mon 6/178:05 pmBOS - CWL
2 stops39h 40mAir France
Sat 6/225:15 pmCWL - BOS
1 stop30h 15mAir France
Deal found 6/5$1,844

Boston to Cardiff 2024 flight deals

Discover exclusive flight deals for travel between Boston and Cardiff 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 6, 2024.
Check out some of the best flight deals from Boston to Cardiff in 2024. Check back regularly for other flight deals.
Fri 11/299:05 pmBOS - CWL
1 stop14h 50mKLM
Tue 12/36:00 amCWL - BOS
1 stop12h 20mKLM
Deal found 6/5$792
Fri 11/299:05 pmBOS - CWL
1 stop14h 50mKLM
Tue 12/310:15 amCWL - BOS
2 stops17h 21mKLM
Deal found 6/5$802
Fri 11/293:34 pmBOS - CWL
2 stops13h 11mDelta
Tue 12/36:00 amCWL - BOS
2 stops18h 06mDelta
Deal found 6/5$922
Fri 8/94:55 pmBOS - CWL
1 stop11h 20mKLM
Tue 8/209:45 amCWL - BOS
1 stop13h 45mKLM
Deal found 6/4$952
Fri 8/167:00 pmBOS - CWL
1 stop16h 45mAir France
Fri 8/235:15 pmCWL - BOS
2 stops33h 13mAir France
Deal found 6/6$990
Fri 7/197:00 pmBOS - CWL
1 stop9h 15mKLM
Thu 7/259:45 amCWL - BOS
1 stop11h 55mKLM
Deal found 6/4$1,031
Fri 7/194:50 pmBOS - CWL
1 stop11h 25mDelta
Thu 7/259:45 amCWL - BOS
1 stop11h 55mDelta
Deal found 6/6$1,044
Fri 8/99:25 pmBOS - CWL
1 stop19h 55mMultiple Airlines
Tue 8/208:15 pmCWL - BOS
2 stops26h 45mMultiple Airlines
Deal found 6/4$1,046
Fri 7/198:25 pmBOS - CWL
1 stop15h 20mAir France
Thu 7/255:15 pmCWL - BOS
2 stops30h 34mAir France
Deal found 6/4$1,097

Find flights from Boston to Cardiff within your budget

Customize your flight search to find flights from Boston to Cardiff 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 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$792 - $1,477

Route

Depart

Return

Price

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 11/29

1 stop14h 50m

Cardiff Wales

Tue 12/3

1 stop12h 20m

$792

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 11/29

1 stop14h 50m

Cardiff Wales

Tue 12/3

2 stops17h 21m

$802

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 11/29

2 stops13h 11m

Cardiff Wales

Tue 12/3

2 stops18h 06m

$922

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 8/9

1 stop11h 20m

Cardiff Wales

Tue 8/20

1 stop13h 45m

$952

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 8/16

1 stop16h 45m

Cardiff Wales

Fri 8/23

2 stops33h 13m

$990

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 7/19

1 stop11h 25m

Cardiff Wales

Thu 7/25

1 stop11h 55m

$1,044

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 8/9

1 stop19h 55m

Cardiff Wales

Tue 8/20

2 stops26h 45m

$1,046

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 7/19

1 stop15h 20m

Cardiff Wales

Thu 7/25

2 stops30h 34m

$1,097

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 8/9

2 stops35h 20m

Cardiff Wales

Tue 8/20

2 stops33h 45m

$1,477

Flights are sorted by cheapest first

Deals found on 6/5

What is the cheapest day to fly from Boston to Cardiff?

Use this chart to determine the cheapest time to fly round-trip from Boston to Cardiff. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to Cardiff flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Boston to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Boston 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 Cardiff by month

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

CWL

Temperature

39.2 - 64.4 °F

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. 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 Cardiff. Reviews last updated June 6, 2024.
Get a feel of what it's like to fly with KLM, Air France and Delta from Boston to Cardiff by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,368 reviews

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.4

Boarding

8.2

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
10,368 reviews
Delta
8.0
Very good
10,368 reviews

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.4

Boarding

8.2

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
1,489 reviews
Delta
8.0
Very good
10,368 reviews

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.4

Boarding

8.2

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
1,720 reviews
Delta
8.0
Very good
10,368 reviews

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.4

Boarding

8.2

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.

British Airways
6.8
Okay
6,754 reviews
Delta
8.0
Very good
10,368 reviews

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.4

Boarding

8.2

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 Boston to Cardiff. 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 Boston to Cardiff for under $800 on Cheapflights?

    Yes, there are multiple flights from Boston to Cardiff for under $800. The cheapest flight booked recently is on KLM for just $792, but on average you can expect to pay $1,220.

  • What are the cheapest airlines flying from Boston to Cardiff round-trip?

    Our cheapest airline available from Boston to Cardiff is KLM. Our recent data shows that you can find tickets from as low as $792 on this airline. Additional options worth looking into are Delta and Air France, starting at $922 and $990 round-trip. You may be able to fly from Boston to Cardiff for 21% less than the average price by searching for these airlines.

  • What does BOS to CWL mean?

    This is defined as Boston Logan Intl Airport (BOS) and Cardiff Wales Airport (CWL). Codes like Cardiff Wales Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Boston to Cardiff that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to Cardiff 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 Boston to Cardiff with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Cardiff 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 Boston to Cardiff that include hotel bookings?

    Yes. In addition to deals on Boston to Cardiff flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Cardiff?

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

  • Can I find deals for business class flights from Boston to Cardiff?

    Yes. Cheapflights offers flight deals from Boston to Cardiff 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 Boston to Cardiff that allow pets onboard?

    Many airlines flying from Boston to Cardiff 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 Boston to Cardiff?

    Yes, you can often find last-minute deals on Boston to Cardiff 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 Boston to Cardiff flight deals updated?

    The Boston to Cardiff flight deals you see on this page were last updated on 6/6.

  • What is the cheapest month to book a flight from Boston to Cardiff?

    Currently, January is the cheapest month in which you can book a flight from Boston to Cardiff (average of $708). Flying from Boston to Cardiff in June is currently the most expensive (average of $1,574). 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.

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Alternative routes for Boston to Cardiff
See prices for flight routes from nearby airports that may be better suited for you.

Boston to Manchester flights
Boston to Bristol flights
Hartford to Manchester flights
Hartford to Bristol flights
Albany to Manchester flights
Hartford to Cardiff flights
Albany to Bristol flights

Top 2 airlines flying from Boston to Cardiff

Discover the top 2 airlines that operate flights from Boston to Cardiff. 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 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$675Average$1,070FlexibilityNo cancel feeOn-time75%
DeltaCheapest$701Average$923FlexibilityNo cancel feeOn-timeN/A
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Search flights from Boston to Cardiff by cabin class

Find flights from Boston to Cardiff, based on your preferred cabin class, be it economy, premium economy, business, or first 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 Boston to Cardiff?

Deals for Boston to Cardiff flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Boston to Cardiff?

Cheapflights simply makes it quick and affordable to book flights from Boston to Cardiff by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Boston to Cardiff with no change fees?

Yes! Cheapflights helps users easily find flights from Boston to Cardiff with no change fees.

Can Cheapflights notify me if prices for flights from Boston to Cardiff become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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