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Cheap flights from Cardiff to Massachusetts from £299

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BOS
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Massachusetts

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Massachusetts
Explore the most affordable flight options available from Cardiff to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 March 2026.

Wed 22/409:45
CWL
-
BOS
1 stop13h 45m
KLM
Wed 29/416:35
BOS
-
CWL
1 stop19h 10m
KLM
Deal found 10/3£568
Wed 6/509:45
CWL
-
BOS
1 stop11h 40m
Air France
Wed 13/516:35
BOS
-
CWL
1 stop19h 10m
Air France
Deal found 9/3£578
Wed 6/509:45
CWL
-
BOS
1 stop11h 40m
KLM
Wed 13/509:05
BOS
-
CWL
2 stops19h 10m
KLM
Deal found 9/3£586
Wed 22/409:45
CWL
-
BOS
2 stops18h 42m
Delta
Wed 29/412:30
BOS
-
CWL
2 stops15h 45m
Delta
Deal found 10/3£608
Wed 6/517:15
CWL
-
BOS
2 stops35h 22m
Virgin Atlantic
Wed 13/509:05
BOS
-
CWL
2 stops19h 10m
Virgin Atlantic
Deal found 9/3£673
Thu 23/409:45
CWL
-
BOS
2 stops29h 04m
Multiple Airlines
Thu 30/416:35
BOS
-
CWL
1 stop19h 10m
Multiple Airlines
Deal found 9/3£786

Find flight deals from Cardiff to Massachusetts

Keep the following information in mind while searching for Cardiff to Massachusetts flight deals. Data was last updated 13 March 2026.

Round-trip from

£568

One-way from

£299
KLM
  • KLM
  • 22/4-29/4
  • 2 total stops
  • 32h 55m total
  • Cardiff to Massachusetts
Search Deals
26/5
  • 26/5
  • 3 total stops
  • 40h 16m total
  • Cardiff to Massachusetts
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Massachusetts 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 13 March 2026.
Use the filters below to find and compare flights from Cardiff to Massachusetts that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 22/4

09:45-18:30

1 stop13h 45m

Boston Logan Intl

Wed 29/4

16:35-16:45

1 stop19h 10m

£568

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 22/4

09:45-23:27

2 stops18h 42m

Boston Logan Intl

Wed 29/4

12:30-09:15

2 stops15h 45m

£608

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 6/5

17:15-23:37

2 stops35h 22m

Boston Logan Intl

Wed 13/5

09:05-09:15

2 stops19h 10m

£673

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 23/4

09:45-09:49

2 stops29h 04m

Boston Logan Intl

Thu 30/4

16:35-16:45

1 stop19h 10m

£786
Cheapest one-way
Fastest single journey

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 30/4

12:00-20:05

2 stops13h 05m

£776

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 30/3

09:45-13:13

1 stop32h 28m

£1,505

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Tue 31/3

09:45-11:15

2 stops54h 30m

£1,508

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sun 29/3

09:50-13:13

1 stop32h 23m

£1,731

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 27/3

10:20-18:20

2 stops36h 00m

£1,778

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 26/3

10:20-14:11

2 stops31h 51m

£1,778

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from Cardiff to Massachusetts

Have a flexible travel schedule? Discover the best time to fly to Massachusetts from Cardiff 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 Cardiff to Massachusetts

What is the cheapest month to book a flight from Cardiff to Massachusetts?

Currently, March is the cheapest month in which you can book a flight from Cardiff to Massachusetts (average of £338). Flying from Cardiff to Massachusetts in December is currently the most expensive (average of £558). 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.

Reviews of airlines servicing Massachusetts

Get insights into the airlines that provide service to Massachusetts. 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 Massachusetts. Reviews last updated 13 March 2026.
Read reviews from past customers who have flown with KLM and Virgin Atlantic from Cardiff to Massachusetts. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,471 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
680 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Massachusetts. 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 from for flights from Cardiff to Massachusetts?

    Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Massachusetts from Cardiff.

  • How long is the flight from Cardiff to Massachusetts?

    For as low as £568, KLM can have you in Massachusetts from Cardiff in 13h 45m. Cardiff and Massachusetts are separated by a distance of 3137 mi.

  • Can I find deals for flights from Cardiff to Massachusetts that include hotel bookings?

    Yes. In addition to deals on Cardiff to Massachusetts flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Massachusetts?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Massachusetts.

  • Can I find deals for business class flights from Cardiff to Massachusetts?

    Yes. Cheapflights offers flight deals from Cardiff to Massachusetts 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 Cardiff to Massachusetts?

    Currently, March is the cheapest month in which you can book a flight from Cardiff to Massachusetts (average of £338). Flying from Cardiff to Massachusetts in December is currently the most expensive (average of £558). 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

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Top 2 airlines flying from Cardiff to Massachusetts

Discover the top 2 airlines that operate flights from Cardiff to Massachusetts. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£410Average£543FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£451Average£700FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cardiff to Massachusetts. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Cardiff to Massachusetts by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Cardiff to Massachusetts, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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