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.

£393 Cheap Flights from Boston to Cardiff in 2025/26

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0 bags

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Find the cheapest flights from Boston to Cardiff

Round-trip

One-way

Cheap return flights

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10:15 - 20:55

BOS

CWL

29h 40m3 stops

20:05 - 18:02

CWL

BOS

26h 57m2 stops

£393Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

16:45 - 16:00

BOS

CWL

18h 15m2 stops

20:25 - 19:50

CWL

BOS

28h 25m2 stops

£507Multiple Airlines

Sun, 1 Feb - Sat, 7 Feb

10:15 - 20:55

BOS

CWL

29h 40m3 stops

10:20 - 15:57

CWL

BOS

34h 37m3 stops

£537Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

19:10 - 16:55

BOS

CWL

16h 45m1 stop

10:20 - 18:55

CWL

BOS

13h 35m1 stop

£549Delta

Fri, 30 Jan - Fri, 6 Feb

21:15 - 19:40

BOS

CWL

17h 25m1 stop

22:25 - 20:55

CWL

BOS

27h 30m2 stops

£552Multiple Airlines

Fri, 30 Jan - Fri, 6 Feb

13:00 - 09:50

BOS

CWL

15h 50m2 stops

10:20 - 23:51

CWL

BOS

18h 31m2 stops

£559Delta

Fri, 30 Jan - Fri, 6 Feb

19:10 - 09:45

BOS

CWL

9h 35m1 stop

10:20 - 22:47

CWL

BOS

17h 27m2 stops

£569Virgin Atlantic

Sat, 31 Jan - Sat, 7 Feb

19:10 - 09:45

BOS

CWL

9h 35m1 stop

17:25 - 13:25

CWL

BOS

25h 00m1 stop

£586Virgin Atlantic

Sat, 31 Jan - Sat, 7 Feb

13:00 - 09:45

BOS

CWL

15h 45m2 stops

10:20 - 22:47

CWL

BOS

17h 27m2 stops

£591KLM

Sat, 31 Jan - Sat, 7 Feb

17:10 - 10:05

BOS

CWL

11h 55m1 stop

21:20 - 20:55

CWL

BOS

28h 35m2 stops

£599Multiple Airlines

Wed, 18 Feb - Sun, 22 Feb

KLM flights from Boston to Cardiff

Our best KLM deals on Boston to Cardiff flight tickets

KLM

1 Feb

BOS19:10Boston Logan Intl

9h 40m

1 stop

CWL09:50Cardiff Wales

7 Feb

CWL10:20Cardiff Wales

32h 05m

1 stop

BOS13:25Boston Logan Intl

£549

Find similar

KLM

31 Jan

BOS13:00Boston Logan Intl

15h 45m

2 stops

CWL09:45Cardiff Wales

7 Feb

CWL10:20Cardiff Wales

17h 27m

2 stops

BOS22:47Boston Logan Intl

£591

Find similar

KLM

18 Feb

BOS20:50Boston Logan Intl

15h 05m

1 stop

CWL16:55Cardiff Wales

22 Feb

CWL17:30Cardiff Wales

24h 55m

1 stop

BOS13:25Boston Logan Intl

£684

Find similar

Delta flights from Boston to Cardiff

Our best Delta deals on Boston to Cardiff flight tickets

Delta

30 Jan

BOS13:00Boston Logan Intl

15h 50m

2 stops

CWL09:50Cardiff Wales

6 Feb

CWL10:20Cardiff Wales

18h 31m

2 stops

BOS23:51Boston Logan Intl

£559

Find similar

Delta

12 Jun

BOS16:35Boston Logan Intl

11h 40m

1 stop

CWL09:15Cardiff Wales

26 Jun

CWL09:45Cardiff Wales

11h 50m

1 stop

BOS16:35Boston Logan Intl

£1,000

Find similar

Delta

12 Jun

BOS18:55Boston Logan Intl

9h 20m

1 stop

CWL09:15Cardiff Wales

26 Jun

CWL09:45Cardiff Wales

17h 51m

2 stops

BOS22:36Boston Logan Intl

£1,007

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 31/1

10:15-20:55

3 stops29h 40m

Cardiff Wales

Sat 7/2

20:05-18:02

2 stops26h 57m

£393

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 1/2

16:45-16:00

2 stops18h 15m

Cardiff Wales

Sat 7/2

20:25-19:50

2 stops28h 25m

£507

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 31/1

10:15-20:55

3 stops29h 40m

Cardiff Wales

Sat 7/2

10:20-15:57

3 stops34h 37m

£537

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 30/1

19:10-16:55

1 stop16h 45m

Cardiff Wales

Fri 6/2

10:20-18:55

1 stop13h 35m

£549

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 30/1

21:15-19:40

1 stop17h 25m

Cardiff Wales

Fri 6/2

22:25-20:55

2 stops27h 30m

£552

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 30/1

13:00-09:50

2 stops15h 50m

Cardiff Wales

Fri 6/2

10:20-23:51

2 stops18h 31m

£559

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 31/1

19:10-09:45

1 stop9h 35m

Cardiff Wales

Sat 7/2

10:20-22:47

2 stops17h 27m

£569

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 31/1

19:10-09:45

1 stop9h 35m

Cardiff Wales

Sat 7/2

17:25-13:25

1 stop25h 00m

£586

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sat 31/1

13:00-09:45

2 stops15h 45m

Cardiff Wales

Sat 7/2

10:20-22:47

2 stops17h 27m

£591

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 18/2

17:10-10:05

1 stop11h 55m

Cardiff Wales

Sun 22/2

21:20-20:55

2 stops28h 35m

£599

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Boston 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 January is, on average, the cheapest month to fly to Cardiff from Boston, with most prices found around £550. If you are unable to visit Cardiff during the month of January, then departing from Boston during the month February is also very affordable. Most momondo users find prices during this month for around £579.

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

Fastest flight time	11h 40m
Direct flights	None

The fastest flight from Boston to Cardiff takes 11h 40m

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 11h 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.

Barry

Bridgend

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

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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.