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Cheap flights from Massachusetts to Cardiff from $315

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 10/7. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Massachusetts to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:05 am - 10:15 am
BOS
-
CWL
19h 10m
1 stop
Multiple Airlines Logo
11:15 pm - 7:41 pm
CWL
-
BOS
25h 26m
2 stops
$750Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
5:45 am - 10:15 am
BOS
-
CWL
23h 30m
2 stops
Multiple Airlines Logo
11:35 am - 6:35 pm
CWL
-
BOS
12h 00m
1 stop
$752Multiple Airlines
Fri, Jul 10 - Tue, Jul 14
Multiple Airlines Logo
5:45 am - 10:15 am
BOS
-
CWL
23h 30m
2 stops
Multiple Airlines Logo
11:35 am - 6:35 pm
CWL
-
BOS
12h 00m
1 stop
$765Multiple Airlines
Fri, Jul 10 - Tue, Jul 14
Multiple Airlines Logo
10:05 am - 10:15 am
BOS
-
CWL
19h 10m
1 stop
Multiple Airlines Logo
11:35 am - 9:05 am
CWL
-
BOS
26h 30m
1 stop
$771Multiple Airlines
Fri, Jul 10 - Tue, Jul 14
Multiple Airlines Logo
10:05 am - 10:15 am
BOS
-
CWL
19h 10m
1 stop
Multiple Airlines Logo
11:35 am - 6:35 pm
CWL
-
BOS
12h 00m
1 stop
$782Multiple Airlines
Fri, Jul 10 - Tue, Jul 14
Multiple Airlines Logo
7:30 pm - 10:15 am
BOS
-
CWL
33h 45m
1 stop
Multiple Airlines Logo
11:35 am - 6:35 pm
CWL
-
BOS
12h 00m
1 stop
$787Multiple Airlines
Thu, Jul 2 - Mon, Jul 13
Multiple Airlines Logo
5:45 am - 10:15 am
BOS
-
CWL
23h 30m
2 stops
Multiple Airlines Logo
11:35 am - 9:27 pm
CWL
-
BOS
14h 52m
2 stops
$790Multiple Airlines
Fri, Jul 10 - Tue, Jul 14
Delta Logo
7:00 am - 9:50 am
BDL
-
CWL
21h 50m
2 stops
Delta Logo
10:20 am - 11:37 pm
CWL
-
BDL
18h 17m
2 stops
$1,087Delta
Thu, Nov 19 - Wed, Nov 25
KLM Logo
4:40 pm - 4:45 pm
BDL
-
CWL
19h 05m
2 stops
KLM Logo
5:15 pm - 6:05 pm
CWL
-
BDL
29h 50m
2 stops
$1,196KLM
Sat, Aug 8 - Mon, Aug 17
KLM Logo
4:30 pm - 4:45 pm
BDL
-
CWL
19h 15m
2 stops
KLM Logo
5:35 pm - 6:04 pm
CWL
-
BDL
29h 29m
2 stops
$5,822KLM
Sat, Jul 11 - Sat, Jul 18

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Delta flights from Massachusetts to Cardiff

Our best Delta deals on Massachusetts to Cardiff flight tickets
Delta
Nov 19
BDL7:00 amHartford Bradley Intl
21h 50m
2 stops
CWL9:50 amCardiff Wales
Nov 25
CWL10:20 amCardiff Wales
18h 17m
2 stops
BDL11:37 pmHartford Bradley Intl
$1,087
Delta
Sep 10
BOS1:10 pmBoston Logan Intl
15h 05m
2 stops
CWL9:15 amCardiff Wales
Sep 16
CWL9:45 amCardiff Wales
11h 50m
1 stop
BOS4:35 pmBoston Logan Intl
$1,093
Delta
Sep 6
BOS12:25 pmBoston Logan Intl
15h 50m
2 stops
CWL9:15 amCardiff Wales
Sep 14
CWL9:45 amCardiff Wales
11h 50m
1 stop
BOS4:35 pmBoston Logan Intl
$1,096

KLM flights from Massachusetts to Cardiff

Our best KLM deals on Massachusetts to Cardiff flight tickets
KLM
Sep 6
BOS4:40 pmBoston Logan Intl
11h 35m
1 stop
CWL9:15 amCardiff Wales
Sep 14
CWL5:15 pmCardiff Wales
25h 04m
1 stop
BOS1:19 pmBoston Logan Intl
$1,085
KLM
Sep 10
BOS7:00 pmBoston Logan Intl
16h 45m
1 stop
CWL4:45 pmCardiff Wales
Sep 16
CWL9:45 amCardiff Wales
32h 34m
1 stop
BOS1:19 pmBoston Logan Intl
$1,087
KLM
Sep 10
BOS7:00 pmBoston Logan Intl
9h 15m
1 stop
CWL9:15 amCardiff Wales
Sep 16
CWL5:15 pmCardiff Wales
25h 04m
1 stop
BOS1:19 pmBoston Logan Intl
$1,089

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated June 13, 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 round-trip

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 8/3

10:05 am-10:15 am

1 stop19h 10m

Cardiff Wales

Wed 8/19

11:15 pm-7:41 pm

2 stops25h 26m

$750

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 7/10

5:45 am-10:15 am

2 stops23h 30m

Cardiff Wales

Tue 7/14

11:35 am-6:35 pm

1 stop12h 00m

$752

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 7/10

5:45 am-10:15 am

2 stops23h 30m

Cardiff Wales

Tue 7/14

11:35 am-6:35 pm

1 stop12h 00m

$765

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 7/10

10:05 am-10:15 am

1 stop19h 10m

Cardiff Wales

Tue 7/14

11:35 am-9:05 am

1 stop26h 30m

$771
Quickest round-trip

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 7/10

10:05 am-10:15 am

1 stop19h 10m

Cardiff Wales

Tue 7/14

11:35 am-6:35 pm

1 stop12h 00m

$782

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 7/2

7:30 pm-10:15 am

1 stop33h 45m

Cardiff Wales

Mon 7/13

11:35 am-6:35 pm

1 stop12h 00m

$787

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 7/10

5:45 am-10:15 am

2 stops23h 30m

Cardiff Wales

Tue 7/14

11:35 am-9:27 pm

2 stops14h 52m

$790

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Thu 11/19

7:00 am-9:50 am

2 stops21h 50m

Cardiff Wales

Wed 11/25

10:20 am-11:37 pm

2 stops18h 17m

$1,087

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Sat 8/8

4:40 pm-4:45 pm

2 stops19h 05m

Cardiff Wales

Mon 8/17

5:15 pm-6:05 pm

2 stops29h 50m

$1,196

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Sat 7/11

4:30 pm-4:45 pm

2 stops19h 15m

Cardiff Wales

Sat 7/18

5:35 pm-6:04 pm

2 stops29h 29m

$5,822

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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 December is, on average, the cheapest month to fly to Cardiff from Massachusetts, with most prices found around $0. If you aren’t able to travel to Cardiff during the month of December, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $566.

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.
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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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Cardiff Wales Airport.

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

    The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find Massachusetts to Cardiff flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cardiff that suits you.

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

All flight searches from Massachusetts to Cardiff on momondo can be filtered to show those which offer flexible booking policies.

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?

Yes. momondo can track prices for Massachusetts to Cardiff flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Aer Lingus