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Cheap flights from Massachusetts to Cardiff from £324

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CWL
5 Apr — 12 Apr1
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 31 March 2025.

Round-trip from

£647

One-way from

£324

Popular in

July

Cheapest in

February

Average price

£608
Air France
  • Air France
  • 16/8-29/8
  • 2 total stops
  • 32h 35m total
  • Massachusetts to Cardiff
Search Deals
22/8
  • 22/8
  • 2 total stops
  • 34h 20m total
  • Massachusetts to Cardiff
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£154 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 31 March 2025.

Sat 16/816:50BOS - CWL
1 stop19h 00mAir France
Fri 29/809:50CWL - BOS
1 stop13h 35mAir France
Deal found 30/3£647
Sat 16/806:00BOS - CWL
2 stops29h 50mDelta
Thu 28/809:50CWL - BOS
1 stop11h 45mDelta
Deal found 30/3£650
Sat 16/816:50BOS - CWL
1 stop11h 25mKLM
Sat 30/817:35CWL - BOS
1 stop28h 00mKLM
Deal found 30/3£717
Sun 27/416:59BDL - CWL
2 stops18h 46mKLM
Sun 4/517:15CWL - BDL
2 stops29h 45mKLM
Deal found 30/3£723
Mon 2/621:25BOS - CWL
1 stop13h 30mMultiple Airlines
Sat 7/609:00CWL - BOS
2 stops37h 10mMultiple Airlines
Deal found 30/3£799
Sun 27/420:15BOS - CWL
1 stop15h 30mVirgin Atlantic
Sun 3/817:20CWL - BOS
2 stops23h 04mVirgin Atlantic
Deal found 30/3£852
Sun 27/412:35BDL - CWL
2 stops19h 10mMultiple Airlines
Sun 4/511:00CWL - BDL
1 stop10h 35mMultiple Airlines
Deal found 30/3£861
Mon 2/619:40BOS - CWL
2 stops34h 50mAer Lingus
Sat 7/612:00CWL - BOS
2 stops34h 10mAer Lingus
Deal found 30/3£1,141

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 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

Sat 16/8

16:50-16:50

1 stop19h 00m

Cardiff Wales

Fri 29/8

09:50-18:25

1 stop13h 35m

£647

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 16/8

08:00-09:15

2 stops20h 15m

Cardiff Wales

Sun 31/8

09:50-16:35

1 stop11h 45m

£650

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 16/8

16:50-09:15

1 stop11h 25m

Cardiff Wales

Sat 30/8

17:35-16:35

1 stop28h 00m

£717

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Sun 27/4

16:59-16:45

2 stops18h 46m

Cardiff Wales

Sun 4/5

17:15-18:00

2 stops29h 45m

£723

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 2/6

21:25-15:55

1 stop13h 30m

Cardiff Wales

Sat 7/6

09:00-17:10

2 stops37h 10m

£799

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 27/4

20:15-16:45

1 stop15h 30m

Cardiff Wales

Sun 3/8

17:20-11:24

2 stops23h 04m

£852

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Sun 27/4

12:35-12:45

2 stops19h 10m

Cardiff Wales

Sun 4/5

11:00-16:35

1 stop10h 35m

£861

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 2/6

19:40-11:30

2 stops34h 50m

Cardiff Wales

Sat 7/6

12:00-17:10

2 stops34h 10m

£1,141

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 22/8

19:15-10:35

2 stops34h 20m

£324

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 22/8

20:15-17:05

1 stop15h 50m

£358

Flights are sorted by cheapest return flights first.

Deals found on 30/3

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 31 March 2025.
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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
7,899 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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
1,321 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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.
Virgin Atlantic
7.4
Good
636 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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.
Aer Lingus
7.0
Good
1,061 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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

See prices for flight routes from nearby airports that may be better suited for you.
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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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