Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Massachusetts to Cardiff from £254

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 17/9. 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
Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Massachusetts to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:05 - 22:50
BOS
-
CWL
31h 45m
2 stops
Multiple Airlines Logo
22:10 - 22:39
CWL
-
BOS
29h 29m
2 stops
£553Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun
Multiple Airlines Logo
18:35 - 10:15
BOS
-
CWL
10h 40m
1 stop
Multiple Airlines Logo
22:10 - 22:39
CWL
-
BOS
29h 29m
2 stops
£575Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun
Multiple Airlines Logo
15:40 - 10:15
BOS
-
CWL
13h 35m
2 stops
Multiple Airlines Logo
22:10 - 09:45
CWL
-
BOS
40h 35m
3 stops
£589Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun
Multiple Airlines Logo
17:00 - 22:20
BOS
-
CWL
24h 20m
2 stops
Multiple Airlines Logo
22:10 - 17:35
CWL
-
BOS
24h 25m
2 stops
£594Multiple Airlines
Thu, 11 Jun - Mon, 15 Jun
Multiple Airlines Logo
10:45 - 22:20
BOS
-
CWL
30h 35m
2 stops
Multiple Airlines Logo
22:10 - 09:45
CWL
-
BOS
40h 35m
3 stops
£601Multiple Airlines
Thu, 11 Jun - Mon, 15 Jun
Multiple Airlines Logo
05:50 - 22:20
BOS
-
CWL
35h 30m
3 stops
Multiple Airlines Logo
22:10 - 09:45
CWL
-
BOS
40h 35m
3 stops
£605Multiple Airlines
Thu, 11 Jun - Mon, 15 Jun
Multiple Airlines Logo
20:30 - 10:15
BOS
-
CWL
32h 45m
1 stop
Multiple Airlines Logo
11:35 - 14:41
CWL
-
BOS
32h 06m
1 stop
£629Multiple Airlines
Thu, 21 May - Tue, 26 May
Multiple Airlines Logo
21:15 - 22:20
BOS
-
CWL
20h 05m
1 stop
Multiple Airlines Logo
22:10 - 17:35
CWL
-
BOS
24h 25m
2 stops
£635Multiple Airlines
Thu, 11 Jun - Mon, 15 Jun
Multiple Airlines Logo
10:05 - 10:15
BOS
-
CWL
19h 10m
1 stop
Multiple Airlines Logo
11:35 - 09:05
CWL
-
BOS
26h 30m
1 stop
£642Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun
Multiple Airlines Logo
21:15 - 21:45
BOS
-
CWL
19h 30m
1 stop
Multiple Airlines Logo
23:15 - 21:15
CWL
-
BOS
27h 00m
2 stops
£679Multiple Airlines
Sun, 2 Aug - Tue, 11 Aug

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

KLM flights from Massachusetts to Cardiff

Our best KLM deals on Massachusetts to Cardiff flight tickets
KLM
6 Sept
BOS19:00Boston Logan Intl
16h 45m
1 stop
CWL16:45Cardiff Wales
14 Sept
CWL09:45Cardiff Wales
32h 34m
1 stop
BOS13:19Boston Logan Intl
£771
KLM
6 Sept
BOS19:00Boston Logan Intl
9h 15m
1 stop
CWL09:15Cardiff Wales
14 Sept
CWL17:15Cardiff Wales
25h 04m
1 stop
BOS13:19Boston Logan Intl
£773
KLM
22 Apr
BOS18:55Boston Logan Intl
16h 50m
1 stop
CWL16:45Cardiff Wales
13 May
CWL09:45Cardiff Wales
32h 31m
1 stop
BOS13:16Boston Logan Intl
£779

Delta flights from Massachusetts to Cardiff

Our best Delta deals on Massachusetts to Cardiff flight tickets
Delta
22 Apr
BOS16:35Boston Logan Intl
11h 40m
1 stop
CWL09:15Cardiff Wales
13 May
CWL09:45Cardiff Wales
11h 40m
1 stop
BOS16:25Boston Logan Intl
£777
Delta
6 Sept
BOS13:10Boston Logan Intl
15h 05m
2 stops
CWL09:15Cardiff Wales
14 Sept
CWL09:45Cardiff Wales
11h 50m
1 stop
BOS16:35Boston Logan Intl
£778
Delta
6 Sept
BOS13:10Boston Logan Intl
15h 05m
2 stops
CWL09:15Cardiff Wales
14 Sept
CWL09:45Cardiff Wales
13h 45m
1 stop
BOS18:30Boston Logan Intl
£779

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 19 April 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

Cheapest return flight

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 1/6

10:05-22:50

2 stops31h 45m

Cardiff Wales

Mon 8/6

22:10-22:39

2 stops29h 29m

£553
Fastest return journey

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 1/6

18:35-10:15

1 stop10h 40m

Cardiff Wales

Mon 8/6

22:10-22:39

2 stops29h 29m

£575

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 1/6

15:40-10:15

2 stops13h 35m

Cardiff Wales

Mon 8/6

22:10-09:45

3 stops40h 35m

£589

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 11/6

17:00-22:20

2 stops24h 20m

Cardiff Wales

Mon 15/6

22:10-17:35

2 stops24h 25m

£594

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 11/6

10:45-22:20

2 stops30h 35m

Cardiff Wales

Mon 15/6

22:10-09:45

3 stops40h 35m

£601

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 11/6

05:50-22:20

3 stops35h 30m

Cardiff Wales

Mon 15/6

22:10-09:45

3 stops40h 35m

£605

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 21/5

20:30-10:15

1 stop32h 45m

Cardiff Wales

Tue 26/5

11:35-14:41

1 stop32h 06m

£629

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 11/6

21:15-22:20

1 stop20h 05m

Cardiff Wales

Mon 15/6

22:10-17:35

2 stops24h 25m

£635

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 1/6

10:05-10:15

1 stop19h 10m

Cardiff Wales

Mon 8/6

11:35-09:05

1 stop26h 30m

£642

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 2/8

21:15-21:45

1 stop19h 30m

Cardiff Wales

Tue 11/8

23:15-21:15

2 stops27h 00m

£679

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 £508. 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 £544.

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

9h 20m

Direct flights

None
The fastest flight from Massachusetts to Cardiff takes 9h 20m
There are no direct flights from Massachusetts to Cardiff. There are no popular flight routes from Massachusetts to Cardiff.
Search flight deals

Frequently asked questions about flying from Massachusetts to Cardiff

  • 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
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 19/5
Tue 26/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport