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Cheap flights from Massachusetts to Cardiff from $569

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Cardiff departing on 12/31. 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 round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:20 pm - 10:05 amBOS-CWL
11h 45m1 stop
Multiple Airlines Logo
5:25 pm - 1:55 pmCWL-BOS
25h 30m2 stops
$569Multiple Airlines
Find Deal
mer., déc. 31 - mer., janv. 7
Multiple Airlines Logo
5:20 pm - 10:05 amBOS-CWL
11h 45m1 stop
Multiple Airlines Logo
10:20 am - 1:55 pmCWL-BOS
32h 35m3 stops
$633Multiple Airlines
Find Deal
mer., déc. 31 - mer., janv. 7
Virgin Atlantic Logo
9:55 am - 9:50 amBOS-CWL
19h 55m2 stops
Virgin Atlantic Logo
5:25 pm - 2:20 pmCWL-BOS
24h 55m1 stop
$688Virgin Atlantic
Find Deal
mar., mars 17 - mar., mars 24
Virgin Atlantic Logo
9:55 am - 9:50 amBOS-CWL
19h 55m2 stops
Virgin Atlantic Logo
10:20 am - 10:02 amCWL-BOS
27h 42m2 stops
$698Virgin Atlantic
Find Deal
mar., mars 17 - mar., mars 24
Multiple Airlines Logo
7:10 pm - 9:50 amBOS-CWL
9h 40m1 stop
Multiple Airlines Logo
5:25 pm - 1:30 pmCWL-BOS
25h 05m1 stop
$730Multiple Airlines
Find Deal
mer., déc. 31 - mer., janv. 7
Delta Logo
12:55 pm - 9:50 amBOS-CWL
15h 55m2 stops
Delta Logo
10:20 am - 6:55 pmCWL-BOS
13h 35m1 stop
$738Delta
Find Deal
jeu., janv. 15 - mer., janv. 21
Delta Logo
12:55 pm - 9:50 amBOS-CWL
15h 55m2 stops
Delta Logo
10:20 am - 11:50 pmCWL-BOS
18h 30m2 stops
$748Delta
Find Deal
jeu., janv. 15 - mer., janv. 21
Multiple Airlines Logo
8:50 pm - 3:30 pmBOS-CWL
14h 40m2 stops
Multiple Airlines Logo
4:45 pm - 9:00 pmCWL-BOS
32h 15m3 stops
$757Multiple Airlines
Find Deal
mar., mars 17 - mar., mars 24
Delta Logo
12:56 pm - 9:50 amBDL-CWL
15h 54m2 stops
Delta Logo
10:20 am - 11:40 pmCWL-BDL
18h 20m2 stops
$774Delta
Find Deal
jeu., janv. 15 - mer., janv. 21
Virgin Atlantic Logo
5:00 pm - 8:15 amBDL-CWL
35h 15m2 stops
Virgin Atlantic Logo
5:15 pm - 9:16 pmCWL-BDL
33h 01m2 stops
$1,205Virgin Atlantic
Find Deal
sam., mars 28 - mer., avr. 1

Air France flights from Massachusetts to Cardiff

Our best Air France deals on Massachusetts to Cardiff flight tickets
Air France
Mar 29
BOS8:45 pmBoston Logan Intl
39h 00m
2 stops
CWL4:45 pmCardiff Wales
Apr 1
CWL9:50 amCardiff Wales
11h 40m
1 stop
BOS4:30 pmBoston Logan Intl
$831
Find similar
Air France
Mar 29
BOS8:45 pmBoston Logan Intl
39h 00m
2 stops
CWL4:45 pmCardiff Wales
Apr 1
CWL9:50 amCardiff Wales
18h 48m
2 stops
BOS11:38 pmBoston Logan Intl
$835
Find similar

Virgin Atlantic flights from Massachusetts to Cardiff

Our best Virgin Atlantic deals on Massachusetts to Cardiff flight tickets
Virgin Atlantic
Mar 17
BOS9:55 amBoston Logan Intl
19h 55m
2 stops
CWL9:50 amCardiff Wales
Mar 24
CWL5:25 pmCardiff Wales
24h 55m
1 stop
BOS2:20 pmBoston Logan Intl
$688
Find similar
Virgin Atlantic
Mar 17
BOS9:55 amBoston Logan Intl
19h 55m
2 stops
CWL9:50 amCardiff Wales
Mar 24
CWL10:20 amCardiff Wales
27h 42m
2 stops
BOS10:02 amBoston Logan Intl
$698
Find similar
Virgin Atlantic
Mar 28
BDL5:00 pmHartford Bradley Intl
35h 15m
2 stops
CWL8:15 amCardiff Wales
Apr 1
CWL5:15 pmCardiff Wales
35h 32m
2 stops
BDL11:47 pmHartford Bradley Intl
$1,205
Find similar

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 novembre 18, 2025.
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

mer. 12/31

5:20 pm-10:05 am

1 stop11h 45m

Cardiff Wales

mer. 1/7

5:25 pm-1:55 pm

2 stops25h 30m

$569

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

mer. 12/31

5:20 pm-10:05 am

1 stop11h 45m

Cardiff Wales

mer. 1/7

10:20 am-1:55 pm

3 stops32h 35m

$633

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

mar. 3/17

9:55 am-9:50 am

2 stops19h 55m

Cardiff Wales

mar. 3/24

5:25 pm-2:20 pm

1 stop24h 55m

$688

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

mar. 3/17

9:55 am-9:50 am

2 stops19h 55m

Cardiff Wales

mar. 3/24

10:20 am-10:02 am

2 stops27h 42m

$698

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

mer. 12/31

7:10 pm-9:50 am

1 stop9h 40m

Cardiff Wales

mer. 1/7

5:25 pm-1:30 pm

1 stop25h 05m

$730

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

jeu. 1/15

12:55 pm-9:50 am

2 stops15h 55m

Cardiff Wales

mer. 1/21

10:20 am-6:55 pm

1 stop13h 35m

$738

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

jeu. 1/15

12:55 pm-9:50 am

2 stops15h 55m

Cardiff Wales

mer. 1/21

10:20 am-11:50 pm

2 stops18h 30m

$748

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

mar. 3/17

8:50 pm-3:30 pm

2 stops14h 40m

Cardiff Wales

mar. 3/24

4:45 pm-9:00 pm

3 stops32h 15m

$757

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

jeu. 1/15

12:56 pm-9:50 am

2 stops15h 54m

Cardiff Wales

mer. 1/21

10:20 am-11:40 pm

2 stops18h 20m

$774

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

sam. 3/28

5:00 pm-8:15 am

2 stops35h 15m

Cardiff Wales

mer. 4/1

5:15 pm-9:16 pm

2 stops33h 01m

$1,205

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Cardiff?

The cheapest day to depart on your flight to Cardiff is on a Tuesday when prices can be found for as low as $830. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,427. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cardiff.

What is the cheapest time of day to depart on your flight to Cardiff?

Flying to Cardiff from Massachusetts in the evening is the least expensive time of day to depart. momondo users have found prices as low as $940 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $986 on average. Flights to Cardiff from Massachusetts in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Massachusetts to Cardiff flight deals and tips

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

Direct flights

None
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 many operators does momondo search for flights from Massachusetts to Cardiff Wales Airport?

  • 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.

Best airlines flying from Massachusetts to Cardiff

Compare and see reviews for airlines that fly from Massachusetts to Cardiff with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $766Free CancellationRating
7.7
1,411 reviews
Search KLM flights
DeltaPriceFrom $793Free CancellationRating
7.9
8,007 reviews
Search Delta flights

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
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