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$530+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CWL
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Massachusetts to Cardiff

Keep the following information in mind while searching for Massachusetts to Cardiff flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$530
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$977
From Massachusetts to Cardiff Wales
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($209 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Massachusetts to Cardiff

Cheapest flights from Massachusetts to Cardiff
Explore the most affordable flight options available from Massachusetts to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mar. 10/149:25 pmBOS - CWL
1 stop29h 00mMultiple Airlines
mar. 10/214:20 pmCWL - BOS
2 stops33h 55mMultiple Airlines
Deal found 9/14$530
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mié. 10/296:10 pmBOS - CWL
1 stop11h 55mMultiple Airlines
mié. 11/57:10 pmCWL - BOS
2 stops30h 45mMultiple Airlines
Deal found 9/14$572
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
jue. 10/306:10 pmBOS - CWL
1 stop23h 50mMultiple Airlines
jue. 11/610:30 amCWL - BOS
2 stops33h 05mMultiple Airlines
Deal found 9/15$673
This KLM deal was found by Cheapflights users on 9/14. 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.
mar. 10/144:50 pmBOS - CWL
1 stop18h 55mKLM
mar. 10/215:15 pmCWL - BOS
1 stop30h 05mKLM
Deal found 9/14$698
This KLM deal was found by Cheapflights users on 9/15. 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.
jue. 11/277:10 pmBOS - CWL
1 stop16h 35mKLM
lun. 12/15:15 pmCWL - BOS
1 stop25h 05mKLM
Deal found 9/15$868
This KLM deal was found by Cheapflights users on 9/14. 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.
mar. 10/146:51 pmBDL - CWL
2 stops16h 54mKLM
mar. 10/219:50 amCWL - BDL
2 stops19h 06mKLM
Deal found 9/14$879
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mar. 10/146:05 pmBDL - CWL
2 stops35h 50mMultiple Airlines
mar. 10/214:20 pmCWL - BDL
1 stop29h 15mMultiple Airlines
Deal found 9/14$1,056

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 septiembre 15, 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

mar. 10/14

9:25 pm-7:25 am

1 stop29h 00m

Cardiff Wales

mar. 10/21

4:20 pm-9:15 pm

2 stops33h 55m

$530

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

mié. 10/29

6:10 pm-10:05 am

1 stop11h 55m

Cardiff Wales

mié. 11/5

7:10 pm-8:55 pm

2 stops30h 45m

$572

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

jue. 10/30

6:10 pm-10:00 pm

1 stop23h 50m

Cardiff Wales

jue. 11/6

10:30 am-2:35 pm

2 stops33h 05m

$673

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

mié. 10/29

9:50 pm-4:55 pm

1 stop15h 05m

Cardiff Wales

mié. 11/5

10:20 am-6:55 pm

1 stop13h 35m

$698

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

mar. 10/14

4:50 pm-4:45 pm

1 stop18h 55m

Cardiff Wales

mar. 10/21

5:15 pm-6:20 pm

1 stop30h 05m

$698

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

jue. 1/29

7:10 pm-4:45 pm

1 stop16h 35m

Cardiff Wales

dom. 2/1

10:20 am-1:25 pm

1 stop32h 05m

$816

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

jue. 1/29

6:40 pm-4:45 pm

2 stops17h 05m

Cardiff Wales

dom. 2/1

10:20 am-6:55 pm

1 stop13h 35m

$821

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

mar. 10/14

6:51 pm-4:45 pm

2 stops16h 54m

Cardiff Wales

mar. 10/21

9:50 am-11:56 pm

2 stops19h 06m

$879

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

mar. 10/14

6:05 pm-10:55 am

2 stops35h 50m

Cardiff Wales

mar. 10/21

4:20 pm-4:35 pm

1 stop29h 15m

$1,056

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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, February is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of $773). Flying from Massachusetts to Cardiff in June is currently the most expensive (average of $1,622). 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.

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

Find hourly flight availability from Massachusetts to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Massachusetts to Cardiff as you normally would.

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 KLM fly from Massachusetts to Cardiff in about 15h 05m. 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, February is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of $773). Flying from Massachusetts to Cardiff in June is currently the most expensive (average of $1,622). 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
Barry

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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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$766Average$977FlexibilityNo cancel feeOn-time75%
DeltaCheapest$793Average$999FlexibilityNo cancel feeOn-timeN/A

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