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Cardiff

$526+ Cheap flights from Massachusetts to Cardiff (CWL)

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CWL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Massachusetts to Cardiff

Best flights from Massachusetts to Cardiff
Discover carefully curated flight deals from Massachusetts to Cardiff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Vueling Global deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/14:45 pmBOS - CWL
2 stops18h 15mMultiple Airlines
Sat 2/78:25 pmCWL - BOS
2 stops28h 25mMultiple Airlines
Deal found 12/17$678
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/307:10 pmBOS - CWL
1 stop16h 45mDelta
Fri 2/610:20 amCWL - BOS
1 stop13h 35mDelta
Deal found 12/16$734
This Netflights deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/317:10 pmBOS - CWL
1 stop9h 35mVirgin Atlantic
Sat 2/710:20 amCWL - BOS
2 stops17h 27mVirgin Atlantic
Deal found 12/17$761
This KLM deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/311:00 pmBOS - CWL
2 stops15h 45mKLM
Sat 2/710:20 amCWL - BOS
2 stops17h 27mKLM
Deal found 12/17$790
This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3110:15 amBOS - CWL
3 stops29h 40mMultiple Airlines
Sat 2/710:20 amCWL - BOS
3 stops34h 37mMultiple Airlines
Deal found 12/17$718
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:10 pmBOS - CWL
1 stop9h 40mDelta
Sun 2/810:15 amCWL - BOS
1 stop13h 40mDelta
Deal found 12/17$734
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/309:15 pmBOS - CWL
1 stop17h 25mMultiple Airlines
Fri 2/610:25 pmCWL - BOS
2 stops27h 30mMultiple Airlines
Deal found 12/16$738
This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/110:45 pmBOS - CWL
2 stops19h 20mMultiple Airlines
Sun 2/89:20 pmCWL - BOS
3 stops24h 30mMultiple Airlines
Deal found 12/17$793
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:10 pmBOS - CWL
1 stop11h 55mMultiple Airlines
Sun 2/229:20 pmCWL - BOS
2 stops28h 35mMultiple Airlines
Deal found 12/16$801
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/112:48 pmBDL - CWL
2 stops16h 02mDelta
Mon 1/510:20 amCWL - BDL
2 stops53h 05mDelta
Deal found 12/16$1,991

Find flight deals from Massachusetts to Cardiff

Keep the following information in mind while searching for Massachusetts to Cardiff flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$526
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$837
Provider with most accurate pricing for Boston Logan Intl-Cardiff Wales flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Cardiff Wales flights.
Search Deals
From Massachusetts to Cardiff Wales
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($247 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts 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 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Massachusetts to Cardiff that are best for you.

Fly from

Massachusetts

Fly to

Cardiff

Route

Depart

Return

Price

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 2/1

4:45 pm-4:00 pm

2 stops18h 15m

Cardiff Wales

Sat 2/7

8:25 pm-7:50 pm

2 stops28h 25m

$678

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 1/31

10:15 am-8:55 pm

3 stops29h 40m

Cardiff Wales

Sat 2/7

10:20 am-3:57 pm

3 stops34h 37m

$718

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 1/30

7:10 pm-4:55 pm

1 stop16h 45m

Cardiff Wales

Fri 2/6

10:20 am-6:55 pm

1 stop13h 35m

$734

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 2/1

7:10 pm-9:50 am

1 stop9h 40m

Cardiff Wales

Sun 2/8

10:15 am-6:55 pm

1 stop13h 40m

$734

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 1/30

9:15 pm-7:40 pm

1 stop17h 25m

Cardiff Wales

Fri 2/6

10:25 pm-8:55 pm

2 stops27h 30m

$738

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 1/31

7:10 pm-9:45 am

1 stop9h 35m

Cardiff Wales

Sat 2/7

10:20 am-10:47 pm

2 stops17h 27m

$761

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 1/31

1:00 pm-9:45 am

2 stops15h 45m

Cardiff Wales

Sat 2/7

10:20 am-10:47 pm

2 stops17h 27m

$790

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 2/1

10:45 pm-11:05 pm

2 stops19h 20m

Cardiff Wales

Sun 2/8

9:20 pm-4:50 pm

3 stops24h 30m

$793

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 2/18

5:10 pm-10:05 am

1 stop11h 55m

Cardiff Wales

Sun 2/22

9:20 pm-8:55 pm

2 stops28h 35m

$801

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Thu 1/1

12:48 pm-9:50 am

2 stops16h 02m

Cardiff Wales

Mon 1/5

10:20 am-10:25 am

2 stops53h 05m

$1,991

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Massachusetts to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Massachusetts 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.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to Cardiff

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

Currently, January is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of $515). Flying from Massachusetts to Cardiff in June is currently the most expensive (average of $1,059). 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.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Cardiff. 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 into for flights to Cardiff from Massachusetts?

    Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly into when you book flights from Massachusetts to Cardiff.

  • How long is the flight from Massachusetts to Cardiff?

    Airlines like Delta fly from Massachusetts to Cardiff in about 16h 45m. The time it takes to get you to your destination can typically vary by up to . The distance from Massachusetts to Cardiff is about 3137 mi.

  • What are the most popular routes from Massachusetts to Cardiff?

    While some choose either Hartford Bradley Intl - Cardiff Wales or Provincetown - Cardiff Wales, Boston Logan Intl - Cardiff Wales is the most popular route from Massachusetts to Cardiff.

  • Can I find deals for flights from Massachusetts to Cardiff that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Massachusetts 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.

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

    Currently, January is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of $515). Flying from Massachusetts to Cardiff in June is currently the most expensive (average of $1,059). 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

Traveling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Bridgend

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Alternative routes for Massachusetts to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Massachusetts to Cardiff

Discover the top 2 airlines that operate flights from Massachusetts 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 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$644Average$828FlexibilityNo cancel feeOn-time75%
DeltaCheapest$791Average$992FlexibilityNo cancel feeOn-timeN/A

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