Find flights
When to book
FAQs

Cheap flights from Massachusetts to Cardiff from £480

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CWL
27 Jan — 3 Feb1
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 28 December 2025.

Sat 27/1216:52BOS - CWL
2 stops18h 58mKLM
Tue 30/1217:25CWL - BOS
1 stop24h 55mKLM
Deal found 26/12£883
Sat 27/1217:20BOS - CWL
1 stop22h 35mMultiple Airlines
Tue 30/1222:00CWL - BOS
1 stop20h 50mMultiple Airlines
Deal found 26/12£1,650

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 28 December 2025.

Round-trip from

£480

Popular in

June

Cheapest in

January

Average price

£620
9/2-16/2
  • 9/2-16/2
  • 4 total stops
  • 50h 30m total
  • Massachusetts to Cardiff
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£135 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 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 28 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

Mon 9/2

16:45-16:05

2 stops18h 20m

Cardiff Wales

Mon 16/2

16:40-19:50

2 stops32h 10m

£480

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 26/1

19:10-16:55

1 stop16h 45m

Cardiff Wales

Mon 2/2

17:15-13:25

1 stop25h 10m

£508

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 26/1

13:00-09:50

2 stops15h 50m

Cardiff Wales

Mon 2/2

10:20-22:22

2 stops17h 02m

£555

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 10/2

21:15-15:30

1 stop13h 15m

Cardiff Wales

Tue 17/2

16:45-15:15

2 stops27h 30m

£583

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 10/2

19:10-09:50

1 stop9h 40m

Cardiff Wales

Tue 17/2

17:25-13:25

1 stop25h 00m

£620

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 10/2

12:55-09:50

2 stops15h 55m

Cardiff Wales

Tue 17/2

10:20-01:09

2 stops19h 49m

£786

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 23/6

18:55-16:45

1 stop16h 50m

Cardiff Wales

Fri 26/6

09:45-16:35

1 stop11h 50m

£957

Flights are sorted by cheapest return flights first.

Deals found on 26/12

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, January is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of £381). Flying from Massachusetts to Cardiff in June is currently the most expensive (average of £784). 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 15h 50m. Fly via KLM or Delta to get the fastest option. There are 3137 mi between Massachusetts and Cardiff. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, January is the cheapest month in which you can book a flight from Massachusetts to Cardiff (average of £381). Flying from Massachusetts to Cardiff in June is currently the most expensive (average of £784). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Massachusetts to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Manchester flights
Newark to Manchester flights
Dulles Intl to Manchester flights
Orlando to Manchester flights
LaGuardia to Manchester flights
Atlanta to Manchester flights
Boston to Manchester flights
Baltimore to Manchester flights
O'Hare Intl to Manchester flights
Reagan-National to Manchester flights
Dallas/Fort Worth to Manchester flights
Seattle to Manchester flights
Los Angeles to Manchester flights
Hobby to Manchester flights
Tampa to Manchester flights
Minneapolis to Manchester flights
Philadelphia to Manchester flights
San Francisco to Manchester flights
George Bush Intcntl to Manchester flights
Midway to Manchester flights
Miami to Manchester flights
Denver to Manchester flights
Detroit to Manchester flights
Raleigh to Manchester flights
Fort Lauderdale to Manchester flights
Nashville to Manchester flights
Santa Ana to Manchester flights
Austin to Manchester flights
Des Moines to Manchester flights
Sky Harbor Intl to Manchester flights
Charlotte to Manchester flights
John F Kennedy Intl to Cardiff flights
Columbus to Manchester flights
Kansas City to Manchester flights
Ontario to Manchester flights
Pittsburgh to Manchester flights
San Jose to Manchester flights
Fort Myers to Manchester flights
Cleveland to Manchester flights
New Orleans to Manchester flights
Las Vegas to Manchester flights
Albuquerque to Manchester flights
Portland to Manchester flights
San Diego to Manchester flights
Richmond to Manchester flights
Newark to Bristol flights
Cincinnati to Manchester flights
Spokane to Manchester 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 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?

Millions of users choose and trust Cheapflights to book the best flight deals from Massachusetts to Cardiff for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.