How long is the flight from Cardiff to Massachusetts?

For as low as £629, Delta can have you in Massachusetts from Cardiff in 17h 06m. Cardiff and Massachusetts are separated by a distance of 3137 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Massachusetts ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Massachusetts when rainfall is around 78.0 mm.

If weather is an important factor for your trip to Massachusetts, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

What is the cheapest time of day to fly from CWL to MA?

When flying from Cardiff to Massachusetts, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

£332+ Cheap Flights from Cardiff to Massachusetts

Cheap flight deals from Cardiff to Massachusetts

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

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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 2 October 2026.

Fri 13/1110:20 -

1 stop32h 53m

Fri 20/1121:30 -

2 stops55h 20m

Deal found 29/9£615

Sun 20/1214:25 -

2 stops28h 55m

Thu 31/1222:35 -

1 stop12h 05m

Deal found 29/9£633

Sun 15/1117:30 -

1 stop25h 43m

Sun 22/1119:25 -

1 stop9h 25m

Deal found 1/10£694

Fri 13/1110:20 -

1 stop13h 41m

Fri 20/1119:25 -

1 stop9h 25m

Deal found 29/9£703

Wed 28/1010:40 -

2 stops32h 50m

Wed 4/1117:15 -

1 stop14h 45m

Deal found 30/9£714

Wed 28/1017:30 -

2 stops53h 14m

Wed 4/1121:20 -

2 stops31h 30m

Deal found 30/9£715

Sun 15/1114:25 -

2 stops53h 20m

Sun 22/1117:15 -

1 stop9h 55m

Deal found 1/10£733

Thu 31/1213:25 -

1 stop10h 40m

Thu 31/1222:35 -

1 stop12h 05m

Deal found 29/9£749

Find flight deals from Cardiff to Massachusetts

Round-trip from	£595
One-way from	£332

10/1-16/1
3 total stops
58h 58m total
Cardiff to Massachusetts

Search Deals

14/11-31/12
3 total stops
40h 45m total
Cardiff to Massachusetts

Search Deals

Cheapflights Fare Finder

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

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sat 14/11

08:15-14:00

2 stops34h 45m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£363

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sun 10/1

10:20-22:26

2 stops17h 06m

Boston Logan Intl

Sat 16/1

13:10-09:45

2 stops15h 35m

£629

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sun 10/1

14:25-14:15

1 stop28h 50m

Boston Logan Intl

Sat 16/1

21:10-08:10

1 stop30h 00m

£636

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sun 15/11

17:30-14:13

1 stop25h 43m

Boston Logan Intl

Sun 22/11

19:25-09:50

1 stop9h 25m

£694

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 28/10

17:30-18:44

2 stops53h 14m

Boston Logan Intl

Wed 4/11

21:20-09:50

2 stops31h 30m

£715

Fastest return journey

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Thu 31/12

13:25-19:05

1 stop10h 40m

Boston Logan Intl

Thu 31/12

22:35-15:40

1 stop12h 05m

£749

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Wed 28/10

10:20-14:45

3 stops32h 25m

Boston Logan Intl

Wed 4/11

15:10-09:50

3 stops37h 40m

£829

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sun 15/11

09:00-14:20

2 stops34h 20m

Boston Logan Intl

Sun 22/11

21:30-11:45

2 stops33h 15m

£890

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Fri 13/11

09:00-23:44

3 stops19h 44m

Boston Logan Intl

Fri 20/11

17:33-14:25

3 stops15h 52m

£967

Flights are sorted by cheapest return flights first.

Deals found on 1/10

Sorted by cheapest first

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.

CWL-BOS

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

CWL-USMA

CWL-BOS

No data available for this route at this time. Please check back soon.

Related info for your journey

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 £629, Delta can have you in Massachusetts from Cardiff in 17h 06m. Cardiff and Massachusetts are separated by a distance of 3137 mi. This flight may include one or multiple stops.
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.

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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?

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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?

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Cheap flights from Cardiff to Massachusetts from £332

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to Massachusetts

Cheapest flights from Cardiff to MassachusettsExplore 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 2 October 2026.

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 2 October 2026.

Best flights from Cardiff to MassachusettsDiscover carefully curated flight deals from Cardiff to Massachusetts that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 October 2026.

Discover carefully curated flight deals from Cardiff to Massachusetts that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 October 2026.

Last-minute flights from Cardiff to MassachusettsDiscover last-minute flight deals from Cardiff to Massachusetts. Data last updated 2 October 2026 and is based on user searches.

Discover last-minute flight deals from Cardiff to Massachusetts. Data last updated 2 October 2026 and is based on user searches.

One-way flights from Cardiff to MassachusettsSearch for one-way flight options from Cardiff to Massachusetts. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.

Search for one-way flight options from Cardiff to Massachusetts. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.

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Use the filters below to find and compare flights from Cardiff to Massachusetts that are best for you.

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.

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Related info for your journey

What airport do you fly from for flights from Cardiff to Massachusetts?

How long is the flight from Cardiff to Massachusetts?

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

How can I find direct flights from Cardiff to Massachusetts?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Cardiff to Massachusetts

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Complete your trip

Complete your trip to Massachusetts by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Search flights from Cardiff to Massachusetts by cabin class

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Cardiff and Massachusetts flights

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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 2 October 2026.

Best flights from Cardiff to Massachusetts
Discover carefully curated flight deals from Cardiff to Massachusetts that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 October 2026.

Last-minute flights from Cardiff to Massachusetts
Discover last-minute flight deals from Cardiff to Massachusetts. Data last updated 2 October 2026 and is based on user searches.

One-way flights from Cardiff to Massachusetts
Search for one-way flight options from Cardiff to Massachusetts. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.