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Cheap flights from Massachusetts to Cardiff from £564

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CWL
30 Apr — 7 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Massachusetts to Cardiff

Enter your travel dates to find the best prices.

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 31 March 2026.

Tue 12/523:30
BOS
-
CWL
1 stop18h 35m
Multiple Airlines
Tue 19/516:15
CWL
-
BOS
2 stops33h 50m
Multiple Airlines
Deal found 28/3£564
Sun 28/610:05
BOS
-
CWL
1 stop19h 10m
Multiple Airlines
Sat 4/711:35
CWL
-
BOS
1 stop27h 56m
Multiple Airlines
Deal found 30/3£621
Mon 6/417:20
BOS
-
CWL
1 stop24h 30m
Multiple Airlines
Tue 14/421:45
CWL
-
BOS
2 stops52h 20m
Multiple Airlines
Deal found 26/3£622
Fri 8/517:25
BOS
-
CWL
1 stop8h 30m
Multiple Airlines
Tue 12/516:15
CWL
-
BOS
2 stops33h 50m
Multiple Airlines
Deal found 29/3£659
Thu 2/423:30
BOS
-
CWL
1 stop26h 25m
Multiple Airlines
Wed 15/423:30
CWL
-
BOS
2 stops26h 35m
Multiple Airlines
Deal found 27/3£674
Mon 20/723:00
BOS
-
CWL
2 stops16h 20m
Multiple Airlines
Fri 28/813:45
CWL
-
BOS
2 stops36h 30m
Multiple Airlines
Deal found 29/3£718
Tue 14/720:25
BOS
-
CWL
1 stop32h 50m
Multiple Airlines
Mon 31/811:35
CWL
-
BOS
1 stop32h 06m
Multiple Airlines
Deal found 30/3£731
Thu 16/415:00
BDL
-
CWL
2 stops20h 45m
KLM
Tue 21/409:45
CWL
-
BDL
2 stops18h 30m
KLM
Deal found 26/3£993
Thu 16/406:00
BDL
-
CWL
2 stops35h 20m
Multiple Airlines
Tue 21/423:15
CWL
-
BDL
1 stop22h 15m
Multiple Airlines
Deal found 26/3£1,166
Thu 18/607:35
BDL
-
CWL
2 stops45h 40m
WestJet
Thu 2/711:35
CWL
-
BDL
2 stops17h 00m
WestJet
Deal found 26/3£1,228
Thu 18/618:00
BDL
-
CWL
1 stop31h 55m
Multiple Airlines
Thu 2/711:35
CWL
-
BDL
2 stops17h 00m
Multiple Airlines
Deal found 26/3£1,273

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 31 March 2026.

Round-trip from

£564

Popular in

June

Cheapest in

February

Average price

£634
12/5-19/5
  • 12/5-19/5
  • 3 total stops
  • 52h 25m total
  • Massachusetts to Cardiff
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£137 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 31 March 2026.
Use the filters below to find and compare flights from Massachusetts to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 12/5

20:50-09:15

3 stops31h 25m

Cardiff Wales

Tue 19/5

23:15-22:39

3 stops28h 24m

£724

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 6/9

16:40-16:45

1 stop19h 05m

Cardiff Wales

Mon 14/9

17:15-16:35

1 stop28h 20m

£788
Fastest return journey

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 6/9

13:10-09:15

2 stops15h 05m

Cardiff Wales

Mon 14/9

09:45-16:35

1 stop11h 50m

£794

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 22/4

20:25-16:45

1 stop15h 20m

Cardiff Wales

Wed 13/5

09:45-13:16

1 stop32h 31m

£794

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 8/5

18:50-17:05

1 stop17h 15m

Cardiff Wales

Tue 12/5

09:45-16:25

1 stop11h 40m

£795

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Thu 16/4

15:00-16:45

2 stops20h 45m

Cardiff Wales

Tue 21/4

09:45-23:15

2 stops18h 30m

£993

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Thu 16/4

06:00-22:20

2 stops35h 20m

Cardiff Wales

Tue 21/4

23:15-16:30

1 stop22h 15m

£1,166

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Thu 18/6

18:00-06:55

1 stop31h 55m

Cardiff Wales

Thu 2/7

11:35-23:35

2 stops17h 00m

£1,273

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Sorted by cheapest first

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 return 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, April is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of £157). Flying from Massachusetts to Cardiff in June is currently the most expensive (average of £801). 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.

How much does it cost for a return flight from Massachusetts to Cardiff?

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?

    There are many flights that can get you from Massachusetts to Cardiff in 19h 05m. Fly via KLM to get the fastest option. There are 3137 mi between Massachusetts and Cardiff.

  • 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 holiday 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, April is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of £157). Flying from Massachusetts to Cardiff in June is currently the most expensive (average of £801). 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

Travelling to a place near Cardiff?

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

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How does Cheapflights help users find flights from Massachusetts to Cardiff?

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

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

Need flexible booking options for your flight to Cardiff from Massachusetts? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Massachusetts to Cardiff on Cheapflights with our Price Alert feature and get notified when better prices are available.

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