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.

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.

£390 Cheap Flights from Boston to Cardiff in 2025/26

1 adult

0 bags

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Find the cheapest flights from Boston to Cardiff

Round-trip

One-way

Cheap return flights

21:25 - 07:25BOS-CWL

29h 00m1 stop

16:20 - 21:15CWL-BOS

33h 55m2 stops

£390

Find Deal

Tue, 14 Oct - Tue, 21 Oct

18:10 - 10:05BOS-CWL

11h 55m1 stop

19:10 - 20:55CWL-BOS

30h 45m2 stops

£421

Find Deal

Wed, 29 Oct - Wed, 5 Nov

18:10 - 22:00BOS-CWL

23h 50m1 stop

10:30 - 14:35CWL-BOS

33h 05m2 stops

£495

Find Deal

Thu, 30 Oct - Thu, 6 Nov

16:50 - 16:45BOS-CWL

18h 55m1 stop

17:15 - 18:20CWL-BOS

30h 05m1 stop

£514KLM

Find Deal

Tue, 14 Oct - Tue, 21 Oct

18:10 - 12:25BOS-CWL

14h 15m2 stops

15:55 - 14:35CWL-BOS

27h 40m2 stops

£528

Find Deal

Wed, 29 Oct - Wed, 5 Nov

19:10 - 16:45BOS-CWL

16h 35m1 stop

10:20 - 18:55CWL-BOS

13h 35m1 stop

£600Delta

Find Deal

Thu, 29 Jan - Sun, 1 Feb

13:10 - 09:50BOS-CWL

15h 40m2 stops

17:30 - 13:25CWL-BOS

24h 55m1 stop

£604KLM

Find Deal

Thu, 29 Jan - Sun, 1 Feb

19:10 - 16:45BOS-CWL

16h 35m1 stop

17:15 - 13:20CWL-BOS

25h 05m1 stop

£639KLM

Find Deal

Thu, 27 Nov - Mon, 1 Dec

11:15 - 09:50BOS-CWL

17h 35m2 stops

10:20 - 22:25CWL-BOS

17h 05m2 stops

£868Delta

Find Deal

Thu, 27 Nov - Mon, 1 Dec

15:00 - 09:50BOS-CWL

13h 50m2 stops

10:20 - 22:25CWL-BOS

17h 05m2 stops

£905Delta

Find Deal

Thu, 27 Nov - Mon, 1 Dec

Delta flights from Boston to Cardiff

Our best Delta deals on Boston to Cardiff flight tickets

Delta

29 Jan

BOS19:10Boston Logan Intl

16h 35m

1 stop

CWL16:45Cardiff Wales

1 Feb

CWL10:20Cardiff Wales

13h 35m

1 stop

BOS18:55Boston Logan Intl

£600

Find similar

Delta

27 Nov

BOS11:15Boston Logan Intl

17h 35m

2 stops

CWL09:50Cardiff Wales

1 Dec

CWL10:20Cardiff Wales

17h 05m

2 stops

BOS22:25Boston Logan Intl

£868

Find similar

Delta

27 Nov

BOS15:00Boston Logan Intl

13h 50m

2 stops

CWL09:50Cardiff Wales

1 Dec

CWL10:20Cardiff Wales

17h 05m

2 stops

BOS22:25Boston Logan Intl

£905

Find similar

KLM flights from Boston to Cardiff

Our best KLM deals on Boston to Cardiff flight tickets

KLM

14 Oct

BOS16:50Boston Logan Intl

18h 55m

1 stop

CWL16:45Cardiff Wales

21 Oct

CWL17:15Cardiff Wales

30h 05m

1 stop

BOS18:20Boston Logan Intl

£514

Find similar

KLM

29 Jan

BOS13:10Boston Logan Intl

15h 40m

2 stops

CWL09:50Cardiff Wales

1 Feb

CWL17:30Cardiff Wales

24h 55m

1 stop

BOS13:25Boston Logan Intl

£604

Find similar

KLM

27 Nov

BOS19:10Boston Logan Intl

16h 35m

1 stop

CWL16:45Cardiff Wales

1 Dec

CWL17:15Cardiff Wales

25h 05m

1 stop

BOS13:20Boston Logan Intl

£639

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 14/10

21:25-07:25

1 stop29h 00m

Cardiff Wales

Tue 21/10

16:20-21:15

2 stops33h 55m

£390

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 29/10

18:10-10:05

1 stop11h 55m

Cardiff Wales

Wed 5/11

19:10-20:55

2 stops30h 45m

£421

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 30/10

18:10-22:00

1 stop23h 50m

Cardiff Wales

Thu 6/11

10:30-14:35

2 stops33h 05m

£495

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 14/10

16:50-16:45

1 stop18h 55m

Cardiff Wales

Tue 21/10

17:15-18:20

1 stop30h 05m

£514

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 29/10

18:10-12:25

2 stops14h 15m

Cardiff Wales

Wed 5/11

15:55-14:35

2 stops27h 40m

£528

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 29/1

19:10-16:45

1 stop16h 35m

Cardiff Wales

Sun 1/2

10:20-18:55

1 stop13h 35m

£600

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 29/1

13:10-09:50

2 stops15h 40m

Cardiff Wales

Sun 1/2

17:30-13:25

1 stop24h 55m

£604

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 27/11

19:10-16:45

1 stop16h 35m

Cardiff Wales

Mon 1/12

17:15-13:20

1 stop25h 05m

£639

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 27/11

11:15-09:50

2 stops17h 35m

Cardiff Wales

Mon 1/12

10:20-22:25

2 stops17h 05m

£868

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 27/11

15:00-09:50

2 stops13h 50m

Cardiff Wales

Mon 1/12

10:20-22:25

2 stops17h 05m

£905

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

Direct flights	None

There are no direct flights from Boston to Cardiff. There are no popular flight routes from Boston to Cardiff.

Search flight deals

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 40m 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.

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.

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.