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Cheap flights from Massachusetts to Cardiff from £282

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CWL
19 Aug — 26 Aug1
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 20 July 2026.

Mon 24/823:00
BOS
-
CWL
2 stops42h 50m
Multiple Airlines
Tue 8/911:35
CWL
-
BOS
1 stop27h 55m
Multiple Airlines
Deal found 16/7£512
Sun 6/919:30
BOS
-
CWL
1 stop33h 45m
Multiple Airlines
Sat 12/911:35
CWL
-
BOS
1 stop27h 55m
Multiple Airlines
Deal found 15/7£540
Mon 7/910:05
BOS
-
CWL
1 stop19h 10m
Multiple Airlines
Mon 21/910:25
CWL
-
BOS
2 stops34h 45m
Multiple Airlines
Deal found 19/7£549
Mon 17/817:25
BOS
-
CWL
1 stop24h 25m
Multiple Airlines
Wed 2/923:50
CWL
-
BOS
2 stops45h 56m
Multiple Airlines
Deal found 16/7£585
Sun 6/910:05
BOS
-
CWL
1 stop19h 10m
Multiple Airlines
Thu 17/916:20
CWL
-
BOS
2 stops31h 30m
Multiple Airlines
Deal found 18/7£586
Mon 7/905:45
BOS
-
CWL
2 stops23h 30m
Multiple Airlines
Fri 18/922:45
CWL
-
BOS
2 stops28h 55m
Multiple Airlines
Deal found 18/7£593
Thu 13/805:45
BOS
-
CWL
3 stops35h 35m
Multiple Airlines
Tue 18/823:15
CWL
-
BOS
3 stops28h 23m
Multiple Airlines
Deal found 17/7£606
Sun 13/917:25
BOS
-
CWL
1 stop23h 20m
Multiple Airlines
Thu 17/922:50
CWL
-
BOS
2 stops25h 51m
Multiple Airlines
Deal found 19/7£607
Thu 8/1011:50
BDL
-
CWL
2 stops16h 25m
KLM
Fri 9/1017:15
CWL
-
BDL
2 stops32h 49m
KLM
Deal found 19/7£1,052

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 20 July 2026.

Round-trip from

£512

One-way from

£282

Popular in

July

Cheapest in

February

Average price

£1,876
24/8-8/9
  • 24/8-8/9
  • 3 total stops
  • 70h 45m total
  • Massachusetts to Cardiff
Search Deals
12/8
  • 12/8
  • 3 total stops
  • 18h 30m total
  • Massachusetts to Cardiff
Search Deals
Highest demand for flights based on searches. 34% potential increase in price (£369 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£79 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 20 July 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

Wed 19/8

10:05-10:15

1 stop19h 10m

Cardiff Wales

Wed 26/8

23:15-18:50

3 stops24h 35m

£641

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 17/8

15:55-10:15

2 stops13h 20m

Cardiff Wales

Wed 2/9

09:45-17:42

3 stops36h 57m

£760
Fastest return journey

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 16/11

20:55-17:00

1 stop15h 05m

Cardiff Wales

Mon 23/11

17:30-13:25

1 stop24h 55m

£805

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Thu 8/10

11:50-09:15

2 stops16h 25m

Cardiff Wales

Fri 9/10

17:15-21:04

2 stops32h 49m

£1,052
Cheapest one-way

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 12/8

10:50-10:15

1 stop18h 25m

£325
Fastest single journey

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 10/9

19:00-09:15

1 stop9h 15m

£456

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 10/9

16:40-09:15

1 stop11h 35m

£456

Flights are sorted by cheapest return flights first.

Deals found on 15/7

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

No data available for this route at this time. Please check back soon.

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 15h 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.

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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Fly with Cheapflights

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

When you search for this flight from Massachusetts to Cardiff, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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.

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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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