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Cheap flights from Massachusetts to Cardiff from £330

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CWL
4 Jan — 11 Jan1
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 5 December 2025.

Tue 16/1217:40BDL - CWL
1 stop16h 50mMultiple Airlines
Mon 5/123:30CWL - BDL
2 stops44h 35mMultiple Airlines
Deal found 3/12£1,001
Mon 15/1212:12BDL - CWL
2 stops40h 38mDelta
Wed 31/1210:20CWL - BDL
2 stops28h 55mDelta
Deal found 3/12£1,221
Mon 15/1207:30BDL - CWL
2 stops45h 20mDelta
Tue 6/110:20CWL - BDL
2 stops42h 30mDelta
Deal found 3/12£1,240
Tue 16/1217:40BDL - CWL
1 stop16h 50mMultiple Airlines
Sat 3/120:05CWL - BDL
2 stops48h 24mMultiple Airlines
Deal found 3/12£1,337
Tue 16/1217:40BDL - CWL
1 stop16h 50mMultiple Airlines
Thu 1/110:30CWL - BDL
1 stop10h 40mMultiple Airlines
Deal found 3/12£1,441
Mon 15/1217:40BDL - CWL
2 stops38h 45mMultiple Airlines
Thu 1/110:30CWL - BDL
1 stop10h 40mMultiple Airlines
Deal found 3/12£1,476
Mon 15/1217:10BDL - CWL
2 stops35h 40mDelta
Mon 5/110:20CWL - BDL
2 stops39h 49mDelta
Deal found 3/12£1,483
Mon 15/1217:10BDL - CWL
2 stops35h 40mDelta
Thu 1/110:20CWL - BDL
2 stops30h 39mDelta
Deal found 3/12£1,492
Wed 17/1212:12BDL - CWL
2 stops16h 38mDelta
Wed 31/1210:20CWL - BDL
2 stops17h 54mDelta
Deal found 3/12£1,565
Mon 15/1216:56BDL - CWL
2 stops18h 59mKLM
Sun 4/117:30CWL - BDL
2 stops35h 25mKLM
Deal found 3/12£1,599
Wed 17/1212:12BDL - CWL
2 stops16h 38mDelta
Tue 6/110:20CWL - BDL
2 stops39h 49mDelta
Deal found 3/12£1,621
Tue 16/1217:40BDL - CWL
2 stops17h 20mMultiple Airlines
Fri 2/112:35CWL - BDL
2 stops32h 35mMultiple Airlines
Deal found 3/12£1,653

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 5 December 2025.

Round-trip from

£330

Popular in

June

Cheapest in

January

Average price

£627
16/1-23/1
  • 16/1-23/1
  • 4 total stops
  • 57h 02m total
  • Massachusetts to Cardiff
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 5 December 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

Fri 16/1

06:15-19:40

2 stops32h 25m

Cardiff Wales

Fri 23/1

22:25-18:02

2 stops24h 37m

£330

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 6/2

10:15-19:40

3 stops28h 25m

Cardiff Wales

Fri 20/2

22:25-15:57

2 stops22h 32m

£358

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 4/2

19:10-09:50

1 stop9h 40m

Cardiff Wales

Sun 8/2

10:15-18:55

1 stop13h 40m

£525

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 22/1

13:00-09:50

2 stops15h 50m

Cardiff Wales

Thu 12/2

10:20-13:25

1 stop32h 05m

£526

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 4/2

11:12-09:50

2 stops17h 38m

Cardiff Wales

Sun 8/2

17:30-22:22

2 stops33h 52m

£537

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 16/1

19:10-16:55

1 stop16h 45m

Cardiff Wales

Fri 23/1

10:20-18:55

1 stop13h 35m

£544

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Tue 16/12

17:40-15:30

1 stop16h 50m

Cardiff Wales

Mon 5/1

23:30-15:05

2 stops44h 35m

£1,001

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Tue 16/12

06:09-16:55

2 stops29h 46m

Cardiff Wales

Wed 31/12

10:20-23:14

2 stops17h 54m

£1,221

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Mon 15/12

12:12-09:50

2 stops40h 38m

Cardiff Wales

Wed 31/12

10:20-10:15

2 stops28h 55m

£1,221

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Mon 15/12

07:30-09:50

2 stops45h 20m

Cardiff Wales

Tue 6/1

10:20-23:50

2 stops42h 30m

£1,240

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 18 results
1
2

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, October is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of £447). Flying from Massachusetts to Cardiff in June is currently the most expensive (average of £794). 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?

    There are many flights that can get you from Massachusetts to Cardiff in 9h 40m. Fly via Delta 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, October is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of £447). Flying from Massachusetts to Cardiff in June is currently the most expensive (average of £794). 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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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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