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Cheap flights from Boston (BOS) to Cardiff (CWL) from $275

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 10/24. 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.
BOS — CWL
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
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 May 30, 2024.

Popular in

December

Cheapest in

October

Round-trip from

$708

One-way from

$293
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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From Boston Logan Intl to Cardiff Wales
Search Deals
One-way flight from Boston Logan Intl to Cardiff Wales
Search Deals

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 Air France flights from Boston to Cardiff

Explore cheap flight options specifically provided by Air France for the route between Boston and Cardiff. 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 2,784,634 searches. Data last updated May 30, 2024.
Peruse some of the lowest-priced Air France flights we've found from Boston to Cardiff. Deals update often to give you more flight options matching your criteria
Fri 8/24:55 pmBOS - CWL
1 stop18h 50mAir France
Sun 9/19:45 amCWL - BOS
1 stop11h 55mAir France
Deal found 5/30$985
Thu 7/186:30 pmBOS - CWL
2 stops41h 15mAir France
Thu 7/255:15 pmCWL - BOS
1 stop30h 15mAir France
Deal found 5/29$1,224
Fri 7/198:25 pmBOS - CWL
1 stop15h 20mAir France
Thu 7/255:15 pmCWL - BOS
1 stop30h 15mAir France
Deal found 5/29$1,231
Fri 7/198:25 pmBOS - CWL
1 stop15h 20mAir France
Thu 7/255:15 pmCWL - BOS
2 stops30h 34mAir France
Deal found 5/29$1,305
Mon 6/175:15 pmBOS - CWL
2 stops18h 30mAir France
Sat 6/225:15 pmCWL - BOS
1 stop30h 15mAir France
Deal found 5/29$1,854
Mon 6/1710:35 pmBOS - CWL
2 stops13h 10mAir France
Sat 6/225:15 pmCWL - BOS
2 stops29h 45mAir France
Deal found 5/29$1,881
Sun 6/1610:35 pmBOS - CWL
2 stops13h 10mAir France
Wed 6/199:45 amCWL - BOS
2 stops15h 50mAir France
Deal found 5/30$2,045
Sun 6/1610:35 pmBOS - CWL
2 stops13h 10mAir France
Wed 6/199:45 amCWL - BOS
2 stops15h 50mAir France
Deal found 5/29$2,211

Cheap British Airways flights from Boston to Cardiff

Explore cheap flight options specifically provided by British Airways for the route between Boston and Cardiff. 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 2,784,634 searches. Data last updated May 30, 2024.
Have a look at some of the cheapest available British Airways flights departing from Boston and landing in Cardiff. Make sure to examine the flight information before completing your reservation.
Fri 8/237:20 amBOS - CWL
2 stops24h 20mBritish Airways
Fri 8/3012:00 pmCWL - BOS
2 stops12h 50mBritish Airways
Deal found 5/29$1,054
Thu 7/188:35 pmBOS - CWL
2 stops35h 05mBritish Airways
Thu 7/2512:00 pmCWL - BOS
2 stops29h 05mBritish Airways
Deal found 5/29$1,295
Fri 7/197:10 pmBOS - CWL
2 stops35h 20mBritish Airways
Thu 7/2512:00 pmCWL - BOS
2 stops29h 05mBritish Airways
Deal found 5/29$1,296
Thu 6/277:30 amBOS - CWL
2 stops23h 00mBritish Airways
Thu 7/412:00 pmCWL - BOS
2 stops15h 40mBritish Airways
Deal found 5/30$1,698
Wed 6/267:30 amBOS - CWL
2 stops23h 00mBritish Airways
Sun 6/3012:00 pmCWL - BOS
2 stops28h 55mBritish Airways
Deal found 5/29$1,737

Cheap Boston to Cardiff flights in May & June 2024

Find cheap flight options from Boston to Cardiff specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
Check out some of the best flight deals from Boston to Cardiff in 2024. Check back regularly for other flight deals.
Thu 5/304:35 pmBOS - CWL
1 stop11h 40mKLM
Mon 6/249:45 amCWL - BOS
1 stop11h 50mKLM
Deal found 5/29$1,310
Thu 5/308:20 pmBOS - CWL
1 stop15h 25mKLM
Mon 6/249:45 amCWL - BOS
1 stop11h 50mKLM
Deal found 5/29$1,314
Thu 5/306:45 pmBOS - CWL
1 stop9h 30mKLM
Mon 6/249:45 amCWL - BOS
2 stops15h 04mKLM
Deal found 5/29$1,320
Thu 5/306:45 pmBOS - CWL
1 stop17h 00mKLM
Mon 6/249:45 amCWL - BOS
2 stops13h 55mKLM
Deal found 5/29$1,324
Wed 6/264:40 pmBOS - CWL
1 stop19h 05mKLM
Sun 6/309:45 amCWL - BOS
1 stop13h 45mKLM
Deal found 5/29$1,550
Wed 6/263:29 pmBOS - CWL
2 stops12h 46mKLM
Sun 6/309:45 amCWL - BOS
1 stop13h 45mKLM
Deal found 5/29$1,555
Thu 5/3010:35 pmBOS - CWL
2 stops13h 10mKLM
Mon 6/249:45 amCWL - BOS
2 stops15h 04mKLM
Deal found 5/29$1,556
Mon 6/176:50 pmBOS - CWL
1 stop16h 55mKLM
Wed 6/199:45 amCWL - BOS
2 stops15h 04mKLM
Deal found 5/29$1,577
Sun 6/169:25 pmBOS - CWL
1 stop12h 00mMultiple Airlines
Wed 6/194:50 pmCWL - BOS
2 stops31h 40mMultiple Airlines
Deal found 5/29$1,623

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 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the best flight deals from Boston to Cardiff in 2024. Check back regularly for other flight deals.
Sat 8/34:55 pmBOS - CWL
1 stop11h 20mDelta
Tue 9/39:45 amCWL - BOS
1 stop13h 45mDelta
Deal found 5/28$881
Sat 8/35:20 amBOS - CWL
2 stops22h 55mDelta
Tue 9/39:45 amCWL - BOS
1 stop13h 45mDelta
Deal found 5/28$885
Sat 8/36:00 amBOS - CWL
2 stops22h 15mDelta
Fri 8/309:45 amCWL - BOS
2 stops15h 05mDelta
Deal found 5/28$895
Sat 8/34:55 pmBOS - CWL
1 stop11h 20mKLM
Sat 8/319:45 amCWL - BOS
1 stop11h 55mKLM
Deal found 5/28$916
Sat 8/34:55 pmBOS - CWL
1 stop11h 20mKLM
Sat 8/319:45 amCWL - BOS
2 stops16h 43mKLM
Deal found 5/28$926
Sat 8/34:55 pmBOS - CWL
1 stop11h 20mDelta
Sun 9/19:45 amCWL - BOS
1 stop33h 00mDelta
Deal found 5/28$931
Sat 8/35:20 amBOS - CWL
2 stops22h 55mDelta
Sun 9/19:45 amCWL - BOS
1 stop33h 00mDelta
Deal found 5/28$935
Sat 8/34:55 pmBOS - CWL
1 stop11h 20mDelta
Mon 9/29:45 amCWL - BOS
2 stops16h 43mDelta
Deal found 5/28$941
Sat 8/36:00 amBOS - CWL
2 stops22h 15mDelta
Mon 9/29:45 amCWL - BOS
2 stops18h 57mDelta
Deal found 5/28$945

One-way flights to Cardiff from Boston

Search for one-way flight options from Boston to Cardiff. 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 2,784,634 searches. Data last updated May 30, 2024.
Users in need of a one-way flight from Boston to Cardiff can choose from these deals. Users can also find round-trip Boston to Cardiff flights by using the search form above.
Thu 10/247:15 pmBOS - CWL
1 stop10h 25mPLAY
Deal found 5/28$275
Sun 10/277:20 pmBOS - CWL
1 stop10h 20mPLAY
Deal found 5/28$293
Sun 7/287:15 pmBOS - CWL
2 stops14h 10mMultiple Airlines
Deal found 5/30$307
Sun 7/287:15 pmBOS - CWL
3 stops35h 15mMultiple Airlines
Deal found 5/30$311
Sun 10/276:00 amBOS - CWL
2 stops23h 40mMultiple Airlines
Deal found 5/28$359
Thu 10/245:05 pmBOS - CWL
2 stops18h 40mITA Airways
Deal found 5/28$453
Sun 7/285:45 pmBOS - CWL
1 stop15h 40mMultiple Airlines
Deal found 5/30$491
Mon 10/288:10 pmBOS - CWL
1 stop16h 45mKLM
Deal found 5/28$503
Sun 10/271:05 pmBOS - CWL
2 stops16h 40mVirgin Atlantic
Deal found 5/28$508

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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$727 - $1,691

Route

Depart

Return

Price

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 11/6

2 stops20h 25m

Cardiff Wales

Mon 11/11

1 stop11h 20m

$727

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 11/6

1 stop14h 50m

Cardiff Wales

Wed 11/13

1 stop18h 05m

$775

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 11/6

2 stops17h 26m

Cardiff Wales

Wed 11/13

1 stop12h 20m

$779

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 11/6

2 stops17h 26m

Cardiff Wales

Wed 11/13

2 stops18h 42m

$789

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 11/6

2 stops16h 45m

Cardiff Wales

Mon 11/11

2 stops18h 42m

$839

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 8/3

1 stop11h 20m

Cardiff Wales

Sat 8/31

1 stop11h 55m

$916

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 8/2

1 stop18h 50m

Cardiff Wales

Sun 9/1

1 stop11h 55m

$985

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 8/23

2 stops24h 20m

Cardiff Wales

Fri 8/30

2 stops12h 50m

$1,054

Boston Logan IntlCardiff Wales

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 6/27

1 stop11h 35m

Cardiff Wales

Thu 7/4

2 stops17h 48m

$1,691

Flights are sorted by cheapest first

Deals found on 5/30

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 May 26, 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.
Search Deals

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

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 May 30, 2024.
Get a feel of what it's like to fly with Air France, British Airways and KLM 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
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

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
10,457 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

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
1,520 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

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.

Virgin Atlantic
7.6
Good
720 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

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
1,730 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

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.

PLAY
7.3
Good
69 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

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 Multiple Airlines for just $727, but on average you can expect to pay $894.

  • 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 $775 on this airline. Additional options worth looking into are Delta and Air France, starting at $779 and $985 round-trip. You may be able to fly from Boston to Cardiff for 23% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boston to Cardiff one-way?

    To fly one-way, consider booking your trip with PLAY, which is currently one of the cheapest options available, starting at $275. ITA Airways flights start at $453 while deals on KLM start at $503 one-way.

  • 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 5/30.

  • 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.

See more FAQs

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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
Albany to Manchester flights
Hartford to Bristol flights
Albany to Bristol flights
Hartford to Cardiff 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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$672Average$1,045FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$701Average$924FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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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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Business 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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