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.

£211 Cheap Flights from Boston to Cardiff in 2025

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Find the cheapest flights from Boston to Cardiff

Round-trip

One-way

Last minute

Cheap return flights

21:25 - 15:55BOS-CWL

13h 30m1 stop

12:25 - 18:45CWL-BOS

11h 20m1 stop

£416

Find Deal

Mon, 8 Sep - Fri, 12 Sep

17:30 - 10:35BOS-CWL

12h 05m1 stop

09:00 - 14:40CWL-BOS

10h 40m1 stop

£499

Find Deal

Sat, 13 Sep - Sat, 20 Sep

13:25 - 09:15BOS-CWL

14h 50m2 stops

17:35 - 18:25CWL-BOS

29h 50m1 stop

£511KLM

Find Deal

Sat, 13 Sep - Sat, 20 Sep

17:30 - 15:55BOS-CWL

17h 25m1 stop

20:55 - 14:20CWL-BOS

22h 25m2 stops

£518

Find Deal

Mon, 8 Sep - Fri, 12 Sep

11:55 - 09:15BOS-CWL

16h 20m2 stops

09:45 - 22:30CWL-BOS

17h 45m2 stops

£525Delta

Find Deal

Sat, 13 Sep - Sat, 20 Sep

19:05 - 09:50BOS-CWL

9h 45m1 stop

10:20 - 13:20CWL-BOS

32h 00m1 stop

£532KLM

Find Deal

Thu, 27 Nov - Mon, 1 Dec

06:00 - 15:55BOS-CWL

28h 55m3 stops

20:55 - 20:05CWL-BOS

28h 10m2 stops

£537

Find Deal

Mon, 8 Sep - Fri, 12 Sep

15:34 - 09:50BOS-CWL

13h 16m2 stops

10:20 - 18:55CWL-BOS

13h 35m1 stop

£649KLM

Find Deal

Thu, 27 Nov - Mon, 1 Dec

15:34 - 09:50BOS-CWL

13h 16m2 stops

10:20 - 18:55CWL-BOS

13h 35m1 stop

£766Delta

Find Deal

Thu, 27 Nov - Mon, 1 Dec

15:34 - 09:50BOS-CWL

13h 16m2 stops

10:20 - 22:29CWL-BOS

17h 09m2 stops

£895Delta

Find Deal

Thu, 27 Nov - Mon, 1 Dec

KLM flights from Boston to Cardiff

Our best KLM deals on Boston to Cardiff flight tickets

KLM

13 Sept

BOS13:25Boston Logan Intl

14h 50m

2 stops

CWL09:15Cardiff Wales

20 Sept

CWL17:35Cardiff Wales

29h 50m

1 stop

BOS18:25Boston Logan Intl

£511

Find similar

KLM

27 Nov

BOS19:05Boston Logan Intl

9h 45m

1 stop

CWL09:50Cardiff Wales

1 Dec

CWL10:20Cardiff Wales

32h 00m

1 stop

BOS13:20Boston Logan Intl

£532

Find similar

KLM

3 Aug

BOS20:15Boston Logan Intl

32h 00m

1 stop

CWL09:15Cardiff Wales

18 Aug

CWL17:15Cardiff Wales

30h 10m

1 stop

BOS18:25Boston Logan Intl

£623

Find similar

Delta flights from Boston to Cardiff

Our best Delta deals on Boston to Cardiff flight tickets

Delta

13 Sept

BOS11:55Boston Logan Intl

16h 20m

2 stops

CWL09:15Cardiff Wales

20 Sept

CWL09:45Cardiff Wales

17h 45m

2 stops

BOS22:30Boston Logan Intl

£525

Find similar

Delta

3 Aug

BOS11:31Boston Logan Intl

16h 44m

2 stops

CWL09:15Cardiff Wales

18 Aug

CWL09:50Cardiff Wales

11h 45m

1 stop

BOS16:35Boston Logan Intl

£653

Find similar

Delta

3 Aug

BOS11:31Boston Logan Intl

16h 44m

2 stops

CWL09:15Cardiff Wales

18 Aug

CWL09:50Cardiff Wales

14h 54m

2 stops

BOS19:44Boston Logan Intl

£660

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 8/9

21:25-15:55

1 stop13h 30m

Cardiff Wales

Fri 12/9

12:25-18:45

1 stop11h 20m

£416

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 13/9

17:30-10:35

1 stop12h 05m

Cardiff Wales

Sat 20/9

09:00-14:40

1 stop10h 40m

£499

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 13/9

13:25-09:15

2 stops14h 50m

Cardiff Wales

Sat 20/9

17:35-18:25

1 stop29h 50m

£511

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 8/9

17:30-15:55

1 stop17h 25m

Cardiff Wales

Fri 12/9

20:55-14:20

2 stops22h 25m

£518

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 13/9

11:55-09:15

2 stops16h 20m

Cardiff Wales

Sat 20/9

09:45-22:30

2 stops17h 45m

£525

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 27/11

19:05-09:50

1 stop9h 45m

Cardiff Wales

Mon 1/12

10:20-13:20

1 stop32h 00m

£532

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 8/9

06:00-15:55

3 stops28h 55m

Cardiff Wales

Fri 12/9

20:55-20:05

2 stops28h 10m

£536

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 27/11

15:34-09:50

2 stops13h 16m

Cardiff Wales

Mon 1/12

10:20-18:55

1 stop13h 35m

£649

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 27/11

15:34-09:50

2 stops13h 16m

Cardiff Wales

Mon 1/12

10:20-18:55

1 stop13h 35m

£766

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 27/11

15:34-09:50

2 stops13h 16m

Cardiff Wales

Mon 1/12

10:20-22:29

2 stops17h 09m

£895

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted 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	£211
Fastest flight time	9h 00m
Direct flights	None
Airports in Cardiff	1 airport

The best one-way flight to Cardiff from Boston in the past 72 hours is £211. The best return flight deal from Boston to Cardiff found on momondo in the last 72 hours is £416.

The fastest flight from Boston to Cardiff takes 9h 00m

There are no direct flights from Boston to Cardiff. Popular non-direct route for this connection is Boston Logan Intl Airport - Cardiff Wales Airport.

There is 1 airport near Cardiff: Cardiff Wales (CWL)

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 45m 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.