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Cheap flights from Boston to Cardiff from £569

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:10 - 13:00BOS  Boston Logan Intl-CWL Cardiff Wales
10h 50m1 stop Dublin
Multiple Airlines Logo
17:30 - 18:25CWL  Cardiff Wales-BOS Boston Logan Intl
29h 55m2 stops Alicante Madrid Barajas
£569Multiple Airlines
Wed, 13 Jan - Thu, 21 Jan
Multiple Airlines Logo
17:15 - 08:10BOS  Boston Logan Intl-CWL Cardiff Wales
9h 55m1 stop Dublin
Multiple Airlines Logo
17:30 - 18:25CWL  Cardiff Wales-BOS Boston Logan Intl
29h 55m2 stops Alicante Madrid Barajas
£571Multiple Airlines
Sun, 10 Jan - Thu, 21 Jan
Multiple Airlines Logo
21:10 - 13:55BOS  Boston Logan Intl-CWL Cardiff Wales
11h 45m1 stop Dublin
Multiple Airlines Logo
17:30 - 18:25CWL  Cardiff Wales-BOS Boston Logan Intl
29h 55m2 stops Alicante Madrid Barajas
£587Multiple Airlines
Sat, 9 Jan - Thu, 21 Jan
Multiple Airlines Logo
21:10 - 15:40BOS  Boston Logan Intl-CWL Cardiff Wales
13h 30m1 stop Dublin
Multiple Airlines Logo
08:35 - 19:15CWL  Cardiff Wales-BOS Boston Logan Intl
15h 40m1 stop Dublin
£602Multiple Airlines
Thu, 7 Jan - Mon, 18 Jan
Multiple Airlines Logo
19:50 - 13:00BOS  Boston Logan Intl-CWL Cardiff Wales
12h 10m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
08:35 - 19:15CWL  Cardiff Wales-BOS Boston Logan Intl
15h 40m1 stop Dublin
£602Multiple Airlines
Wed, 13 Jan - Mon, 18 Jan
Multiple Airlines Logo
21:10 - 15:40BOS  Boston Logan Intl-CWL Cardiff Wales
13h 30m1 stop Dublin
Multiple Airlines Logo
13:25 - 19:15CWL  Cardiff Wales-BOS Boston Logan Intl
10h 50m1 stop Dublin
£606Multiple Airlines
Thu, 7 Jan - Thu, 21 Jan
Multiple Airlines Logo
17:15 - 08:10BOS  Boston Logan Intl-CWL Cardiff Wales
9h 55m1 stop Dublin
Multiple Airlines Logo
17:30 - 18:25CWL  Cardiff Wales-BOS Boston Logan Intl
29h 55m2 stops Alicante Madrid Barajas
£609Multiple Airlines
Sun, 31 Jan - Thu, 4 Feb
Multiple Airlines Logo
17:15 - 13:00BOS  Boston Logan Intl-CWL Cardiff Wales
14h 45m1 stop Dublin
Multiple Airlines Logo
08:35 - 14:15CWL  Cardiff Wales-BOS Boston Logan Intl
10h 40m1 stop Dublin
£619Multiple Airlines
Wed, 13 Jan - Mon, 18 Jan
Multiple Airlines Logo
17:15 - 08:10BOS  Boston Logan Intl-CWL Cardiff Wales
9h 55m1 stop Dublin
Multiple Airlines Logo
14:25 - 18:25CWL  Cardiff Wales-BOS Boston Logan Intl
33h 00m2 stops Dublin Madrid Barajas
£619Multiple Airlines
Sun, 10 Jan - Sun, 17 Jan
Multiple Airlines Logo
19:50 - 13:00BOS  Boston Logan Intl-CWL Cardiff Wales
12h 10m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
16:05 - 14:15CWL  Cardiff Wales-BOS Boston Logan Intl
27h 10m1 stop Dublin
£621Multiple Airlines
Wed, 13 Jan - Fri, 22 Jan

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Delta flights from Boston to Cardiff

Our best Delta deals on Boston to Cardiff flight tickets
Delta
13 Nov
BOS20:55Boston Logan Intl
15h 05m
1 stop
CWL17:00Cardiff Wales
20 Nov
CWL10:20Cardiff Wales
13h 41m
1 stop
BOS19:01Boston Logan Intl
£1,039
Delta
13 Nov
BOS19:00Boston Logan Intl
17h 00m
2 stops
CWL17:00Cardiff Wales
20 Nov
CWL10:20Cardiff Wales
13h 41m
1 stop
BOS19:01Boston Logan Intl
£1,042
Delta
13 Nov
BOS12:20Boston Logan Intl
16h 30m
2 stops
CWL09:50Cardiff Wales
20 Nov
CWL10:20Cardiff Wales
19h 48m
2 stops
BOS01:08Boston Logan Intl
£1,050

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest return flight

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Wed 13/1

21:10-13:00

1 stop10h 50m

Cardiff Wales

Thu 21/1

17:30-18:25

2 stops29h 55m

£569

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Sun 10/1

17:15-08:10

1 stop9h 55m

Cardiff Wales

Thu 21/1

17:30-18:25

2 stops29h 55m

£571

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Sat 9/1

21:10-13:55

1 stop11h 45m

Cardiff Wales

Thu 21/1

17:30-18:25

2 stops29h 55m

£587

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Thu 7/1

21:10-15:40

1 stop13h 30m

Cardiff Wales

Mon 18/1

08:35-19:15

1 stop15h 40m

£602

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Wed 13/1

19:50-13:00

2 stops12h 10m

Cardiff Wales

Mon 18/1

08:35-19:15

1 stop15h 40m

£602
Fastest return journey

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Thu 7/1

21:10-15:40

1 stop13h 30m

Cardiff Wales

Thu 21/1

13:25-19:15

1 stop10h 50m

£606

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Sun 31/1

17:15-08:10

1 stop9h 55m

Cardiff Wales

Thu 4/2

17:30-18:25

2 stops29h 55m

£609

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Wed 13/1

17:15-13:00

1 stop14h 45m

Cardiff Wales

Mon 18/1

08:35-14:15

1 stop10h 40m

£619

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Sun 10/1

17:15-08:10

1 stop9h 55m

Cardiff Wales

Sun 17/1

14:25-18:25

2 stops33h 00m

£619

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Wed 13/1

19:50-13:00

2 stops12h 10m

Cardiff Wales

Fri 22/1

16:05-14:15

1 stop27h 10m

£621

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Boston to Cardiff

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Cardiff according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Boston to Cardiff (BOS to CWL) flight deals and tips

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

Best price found

£569

Fastest flight time

9h 20m

Direct flights

None
The best flight deal from Boston to Cardiff found on momondo in the last 72 hours is £569
The fastest flight from Boston to Cardiff takes 9h 20m
There are no direct flights from Boston to Cardiff. There are no popular flight routes from Boston to Cardiff.
Search flight deals

Frequently asked questions about flying from Boston to Cardiff

  • How far is Boston Logan Intl to Cardiff Wales by plane?

    Boston Logan Intl and Cardiff Wales are 3144.0 mi apart from one another. Typically, this will take 9h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Cardiff Wales Airport?

    Prices for flights from Boston Logan Intl Airport to Cardiff Wales Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Boston Logan Intl Airport 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 Boston Logan Intl Airport to Cardiff Wales Airport.

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

    The necessary travel and health documents for your Cardiff Wales Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Boston to Cardiff

  • How do I get Price Alerts for flights from Boston to Cardiff?

    Confirm your travel details to search for the latest offers for flights from Boston to Cardiff. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Boston to Cardiff with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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 Boston to Cardiff?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Cardiff. momondo saves you time and could save you money on your trip.

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

Flights from Boston to Cardiff with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Boston and Cardiff by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston 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 Boston and alert you when they change.

An easier way to manage your Cardiff trip

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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport