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.

£205 Cheap Flights from Boston to Cardiff in 2026

Q: What is the typical price of a round-trip flight between Boston and Cardiff?

Prices are currently low for flights on this route. Typical prices usually range from £550 to £702. The lowest price recently found on this route was £503.

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Find the cheapest flights from Boston to Cardiff

Round-trip

One-way

Cheap return flights

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17:15 - 09:50

BOS

CWL

12h 35m

2 stops

17:25 - 14:20

CWL

BOS

24h 55m

1 stop

£503KLM

Tue, 17 Mar - Tue, 24 Mar

17:15 - 09:50

BOS

CWL

12h 35m

2 stops

10:20 - 07:15

CWL

BOS

24h 55m

2 stops

£508KLM

Tue, 17 Mar - Tue, 24 Mar

12:45 - 09:50

BOS

CWL

17h 05m

2 stops

10:20 - 23:53

CWL

BOS

17h 33m

2 stops

£518Delta

Wed, 18 Mar - Wed, 25 Mar

20:10 - 09:50

BOS

CWL

9h 40m

1 stop

17:25 - 14:20

CWL

BOS

24h 55m

1 stop

£524Multiple Airlines

Tue, 17 Mar - Tue, 24 Mar

21:50 - 16:55

BOS

CWL

15h 05m

1 stop

17:25 - 14:20

CWL

BOS

24h 55m

1 stop

£581KLM

Wed, 18 Mar - Wed, 25 Mar

12:45 - 09:50

BOS

CWL

17h 05m

2 stops

10:20 - 19:55

CWL

BOS

13h 35m

1 stop

£583Delta

Wed, 18 Mar - Wed, 25 Mar

16:35 - 16:45

BOS

CWL

19h 10m

1 stop

09:45 - 13:10

CWL

BOS

32h 25m

1 stop

£610Air France

Tue, 28 Apr - Sat, 2 May

11:30 - 09:15

BOS

CWL

16h 45m

2 stops

09:45 - 16:25

CWL

BOS

11h 40m

1 stop

£612Delta

Fri, 10 Apr - Thu, 16 Apr

23:30 - 23:25

BOS

CWL

18h 55m

1 stop

09:25 - 14:40

CWL

BOS

34h 15m

2 stops

£632Multiple Airlines

Tue, 28 Apr - Sat, 2 May

12:30 - 09:15

BOS

CWL

15h 45m

2 stops

09:45 - 23:52

CWL

BOS

19h 07m

2 stops

£666Delta

Tue, 28 Apr - Sat, 2 May

Delta flights from Boston to Cardiff

Our best Delta deals on Boston to Cardiff flight tickets

Delta

18 Mar

BOS12:45Boston Logan Intl

17h 05m

2 stops

CWL09:50Cardiff Wales

25 Mar

CWL10:20Cardiff Wales

17h 33m

2 stops

BOS23:53Boston Logan Intl

£518

Delta

18 Mar

BOS12:45Boston Logan Intl

17h 05m

2 stops

CWL09:50Cardiff Wales

25 Mar

CWL10:20Cardiff Wales

13h 35m

1 stop

BOS19:55Boston Logan Intl

£583

Delta

24 Jun

BOS11:00Boston Logan Intl

17h 15m

2 stops

CWL09:15Cardiff Wales

1 Jul

CWL09:45Cardiff Wales

11h 55m

1 stop

BOS16:40Boston Logan Intl

£918

KLM flights from Boston to Cardiff

Our best KLM deals on Boston to Cardiff flight tickets

KLM

17 Mar

BOS17:15Boston Logan Intl

12h 35m

2 stops

CWL09:50Cardiff Wales

24 Mar

CWL17:25Cardiff Wales

24h 55m

1 stop

BOS14:20Boston Logan Intl

£503

KLM

17 Mar

BOS17:15Boston Logan Intl

12h 35m

2 stops

CWL09:50Cardiff Wales

24 Mar

CWL10:20Cardiff Wales

24h 55m

2 stops

BOS07:15Boston Logan Intl

£508

KLM

18 Mar

BOS21:50Boston Logan Intl

15h 05m

1 stop

CWL16:55Cardiff Wales

25 Mar

CWL17:25Cardiff Wales

24h 55m

1 stop

BOS14:20Boston Logan Intl

£581

Fly from

Fly to

Route

Depart

Return

Price

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 17/3

17:15-09:50

2 stops12h 35m

Cardiff Wales

Tue 24/3

17:25-14:20

1 stop24h 55m

£503

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 17/3

17:15-09:50

2 stops12h 35m

Cardiff Wales

Tue 24/3

10:20-07:15

2 stops24h 55m

£508

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 18/3

12:45-09:50

2 stops17h 05m

Cardiff Wales

Wed 25/3

10:20-23:53

2 stops17h 33m

£518

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 17/3

20:10-09:50

1 stop9h 40m

Cardiff Wales

Tue 24/3

17:25-14:20

1 stop24h 55m

£524

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 18/3

21:50-16:55

1 stop15h 05m

Cardiff Wales

Wed 25/3

17:25-14:20

1 stop24h 55m

£581

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 18/3

12:45-09:50

2 stops17h 05m

Cardiff Wales

Wed 25/3

10:20-19:55

1 stop13h 35m

£583

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 28/4

16:35-16:45

1 stop19h 10m

Cardiff Wales

Sat 2/5

09:45-13:10

1 stop32h 25m

£610

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 10/4

11:30-09:15

2 stops16h 45m

Cardiff Wales

Thu 16/4

09:45-16:25

1 stop11h 40m

£612

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 28/4

23:30-23:25

1 stop18h 55m

Cardiff Wales

Sat 2/5

09:25-14:40

2 stops34h 15m

£632

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 28/4

12:30-09:15

2 stops15h 45m

Cardiff Wales

Sat 2/5

09:45-23:52

2 stops19h 07m

£666

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted 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 typical price of a round-trip flight between Boston and Cardiff?

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 £537. 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 £565.

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	16h 05m
Direct flights	None

The fastest flight from Boston to Cardiff takes 16h 05m

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 16h 05m 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

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.