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Cheap flights from Massachusetts to Cardiff from £187

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Cardiff departing on 22/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Massachusetts to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:10 - 16:55
BOS
-
CWL
16h 45m
1 stop
Multiple Airlines Logo
17:15 - 16:25
CWL
-
BOS
28h 10m
1 stop
£512Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
17:15 - 09:50
BOS
-
CWL
12h 35m
2 stops
Multiple Airlines Logo
09:45 - 13:13
CWL
-
BOS
32h 28m
1 stop
£515Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
Delta Logo
16:35 - 09:15
BOS
-
CWL
11h 40m
1 stop
Delta Logo
09:45 - 16:25
CWL
-
BOS
11h 40m
1 stop
£523Delta
Tue, 7 Apr - Tue, 14 Apr
Delta Logo
11:30 - 09:15
BOS
-
CWL
16h 45m
2 stops
Delta Logo
09:45 - 16:25
CWL
-
BOS
11h 40m
1 stop
£527Delta
Tue, 7 Apr - Tue, 14 Apr
Scandinavian Airlines Logo
20:10 - 16:55
BOS
-
CWL
16h 45m
1 stop
Scandinavian Airlines Logo
09:45 - 13:13
CWL
-
BOS
32h 28m
1 stop
£548Scandinavian Airlines
Mon, 23 Mar - Mon, 30 Mar
Scandinavian Airlines Logo
17:15 - 09:50
BOS
-
CWL
12h 35m
2 stops
Scandinavian Airlines Logo
09:45 - 13:13
CWL
-
BOS
32h 28m
1 stop
£552Scandinavian Airlines
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
23:30 - 21:20
BOS
-
CWL
16h 50m
1 stop
Multiple Airlines Logo
07:30 - 14:55
CWL
-
BOS
12h 25m
1 stop
£586Multiple Airlines
Sat, 1 Aug - Sat, 15 Aug
Multiple Airlines Logo
22:20 - 23:05
BOS
-
CWL
20h 45m
1 stop
Multiple Airlines Logo
15:55 - 19:55
CWL
-
BOS
32h 00m
1 stop
£597Multiple Airlines
Sun, 22 Mar - Wed, 25 Mar
KLM Logo
16:35 - 09:15
BOS
-
CWL
11h 40m
1 stop
KLM Logo
17:35 - 16:25
CWL
-
BOS
27h 50m
1 stop
£599KLM
Sat, 4 Apr - Sat, 11 Apr
Delta Logo
17:15 - 09:50
BOS
-
CWL
12h 35m
2 stops
Delta Logo
09:45 - 22:55
CWL
-
BOS
18h 10m
2 stops
£619Delta
Mon, 23 Mar - Mon, 30 Mar

Aer Lingus flights from Massachusetts to Cardiff

Our best Aer Lingus deals on Massachusetts to Cardiff flight tickets
Aer Lingus
4 Apr
BOS21:50Boston Logan Intl
32h 40m
2 stops
CWL11:30Cardiff Wales
11 Apr
CWL12:00Cardiff Wales
33h 55m
2 stops
BOS16:55Boston Logan Intl
£917
Aer Lingus
22 Mar
BOS08:30Boston Logan Intl
23h 00m
2 stops
CWL11:30Cardiff Wales
28 Mar
CWL12:00Cardiff Wales
32h 55m
2 stops
BOS16:55Boston Logan Intl
£945
Aer Lingus
22 Mar
BOS08:30Boston Logan Intl
23h 00m
2 stops
CWL11:30Cardiff Wales
27 Mar
CWL08:35Cardiff Wales
18h 20m
2 stops
BOS22:55Boston Logan Intl
£1,071

Delta flights from Massachusetts to Cardiff

Our best Delta deals on Massachusetts to Cardiff flight tickets
Delta
7 Apr
BOS16:35Boston Logan Intl
11h 40m
1 stop
CWL09:15Cardiff Wales
14 Apr
CWL09:45Cardiff Wales
11h 40m
1 stop
BOS16:25Boston Logan Intl
£523
Delta
7 Apr
BOS11:30Boston Logan Intl
16h 45m
2 stops
CWL09:15Cardiff Wales
14 Apr
CWL09:45Cardiff Wales
11h 40m
1 stop
BOS16:25Boston Logan Intl
£527
Delta
23 Mar
BOS17:15Boston Logan Intl
12h 35m
2 stops
CWL09:50Cardiff Wales
30 Mar
CWL09:45Cardiff Wales
18h 10m
2 stops
BOS22:55Boston Logan Intl
£619

momondo 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, momondo users made 279,928 searches. Data last updated 22 February 2026.
Use the filters below to find and compare flights from Massachusetts to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 23/3

20:10-16:55

1 stop16h 45m

Cardiff Wales

Mon 30/3

17:15-16:25

1 stop28h 10m

£512

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 23/3

17:15-09:50

2 stops12h 35m

Cardiff Wales

Mon 30/3

09:45-13:13

1 stop32h 28m

£515

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 7/4

16:35-09:15

1 stop11h 40m

Cardiff Wales

Tue 14/4

09:45-16:25

1 stop11h 40m

£523

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 7/4

11:30-09:15

2 stops16h 45m

Cardiff Wales

Tue 14/4

09:45-16:25

1 stop11h 40m

£527

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 23/3

20:10-16:55

1 stop16h 45m

Cardiff Wales

Mon 30/3

09:45-13:13

1 stop32h 28m

£548

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 23/3

17:15-09:50

2 stops12h 35m

Cardiff Wales

Mon 30/3

09:45-13:13

1 stop32h 28m

£552

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 1/8

23:30-21:20

1 stop16h 50m

Cardiff Wales

Sat 15/8

07:30-14:55

1 stop12h 25m

£586

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 22/3

22:20-23:05

1 stop20h 45m

Cardiff Wales

Wed 25/3

15:55-19:55

1 stop32h 00m

£597

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 4/4

16:35-09:15

1 stop11h 40m

Cardiff Wales

Sat 11/4

17:35-16:25

1 stop27h 50m

£599

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 23/3

17:15-09:50

2 stops12h 35m

Cardiff Wales

Mon 30/3

09:45-22:55

2 stops18h 10m

£619

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Cardiff from

How to get the cheapest flight ticket from Massachusetts to Cardiff

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Cardiff?

The month of February is, on average, the cheapest month to fly to Cardiff from Massachusetts, with most prices found around £510. If you are unable to visit Cardiff during the month of February, then departing from Massachusetts during the month January is also very affordable. Most momondo users find prices during this month for around £545.

Cheap Massachusetts to Cardiff flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Cardiff

Fastest flight time

14h 58m

Direct flights

None
The fastest flight from Massachusetts to Cardiff takes 14h 58m
There are no direct flights from Massachusetts to Cardiff. There are no popular flight routes from Massachusetts to Cardiff.
Search flight deals

  • When did momondo last update prices for flights from Massachusetts to Cardiff Wales Airport?

    Prices for flights from Massachusetts to Cardiff Wales Airport are updated daily.

  • How old do you have to be to fly from Massachusetts to Cardiff Wales Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Massachusetts to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The travel and health documents required for your trip to Cardiff Wales Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cardiff Wales Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Cardiff?

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

Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Cardiff?

Finding the right flight to Cardiff from Massachusetts is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cardiff quick and easy, saving you time and money.

Can I find flights from Massachusetts to Cardiff with flexible booking policies on momondo?

momondo does allow users to show only those flights to Cardiff from Massachusetts which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Massachusetts to Cardiff?

Once you have performed a search for Massachusetts to Cardiff flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Massachusetts to Cardiff right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Cardiff, momondo offers a useful price alert feature which will track prices for flights to Cardiff from Massachusetts and alert you when they change.

An easier way to manage your Cardiff trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport