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Cheap flights from Massachusetts to Cardiff from £375

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CWL
29 Apr — 6 May1
1 adult

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 24 April 2025.

Round-trip from

£613

One-way from

£375

Popular in

July

Cheapest in

February

Average price

£858
KLM
  • KLM
  • 13/5-19/5
  • 2 total stops
  • 27h 05m total
  • Massachusetts to Cardiff
Search Deals
Delta
  • Delta
  • 3/5
  • 1 total stop
  • 17h 10m total
  • Massachusetts to Cardiff
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£112 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 24 April 2025.

Mon 28/416:45BOS - CWL
1 stop11h 30mKLM
Mon 5/517:15CWL - BOS
1 stop30h 05mKLM
Deal found 24/4£610
Thu 24/413:45BOS - CWL
2 stops14h 30mDelta
Thu 8/509:50CWL - BOS
1 stop11h 35mDelta
Deal found 23/4£611
Sat 7/606:00BOS - CWL
2 stops23h 35mMultiple Airlines
Sat 14/616:50CWL - BOS
2 stops32h 00mMultiple Airlines
Deal found 23/4£687
Wed 2/707:25BOS - CWL
2 stops23h 05mBritish Airways
Mon 7/712:00CWL - BOS
2 stops39h 40mBritish Airways
Deal found 24/4£1,108

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 24 April 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

Tue 13/5

20:15-16:45

1 stop15h 30m

Cardiff Wales

Mon 19/5

09:50-16:25

1 stop11h 35m

£613

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 13/5

13:00-09:15

2 stops15h 15m

Cardiff Wales

Mon 19/5

09:50-16:25

1 stop11h 35m

£616

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 7/6

06:00-10:35

2 stops23h 35m

Cardiff Wales

Sat 14/6

16:50-19:50

2 stops32h 00m

£687

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 2/7

07:25-11:30

2 stops23h 05m

Cardiff Wales

Mon 7/7

12:00-22:40

2 stops39h 40m

£1,108

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 3/5

18:35-16:45

1 stop17h 10m

£375

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Sat 3/5

13:10-09:15

2 stops15h 05m

£522

Flights are sorted by cheapest return flights first.

Deals found on 22/4

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, July is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of £169). Flying from Massachusetts to Cardiff in December is currently the most expensive (average of £263). 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.

Rainfall in Cardiff by month

Plan your trip to Cardiff by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

Temperature in Cardiff by month

Plan your trip to Cardiff by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated 24 April 2025.
Delta
8.0
Very Good
7,920 reviews
Check prices

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,920 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,809 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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, July is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of £169). Flying from Massachusetts to Cardiff in December is currently the most expensive (average of £263). 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 Massachusetts?

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

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Alternative routes for Massachusetts to Cardiff

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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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