What is the cheapest airline that flies from United States to Cardiff Wales?

Delta, KLM, and Virgin Atlantic are the most popular carriers operating from United States to Cardiff Wales

How long does it take to fly to Cardiff?

Flight times from United States to Cardiff vary, but if you’re flying out of Boston and flying into Cardiff (one of the most popular routes), then the duration is 9h 40m on average. Another popular route from United States to Cardiff is flying from Miami to Cardiff, which will take roughly 12h. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from United States to Cardiff Wales Airport?

Prices for flights from United States to Cardiff Wales Airport were last updated today.

How old do you have to be to fly from United States to Cardiff Wales Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Cardiff Wales Airport.

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

The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£200 Cheap Flights from the United States to Cardiff in 2025/26

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Find the cheapest flights from the United States to Cardiff

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Recent return flight deals from the United States to Cardiff

Enter your travel dates to find the best prices.

21:00 - 22:00JFK-CWL

20h 00m2 stops

21:20 - 20:58CWL-JFK

28h 38m3 stops

£375Multiple Airlines

Find Deal

Thu, 13 Nov - Sun, 16 Nov

21:00 - 22:00JFK-CWL

20h 00m2 stops

10:30 - 16:40CWL-JFK

35h 10m2 stops

£412Multiple Airlines

Find Deal

Thu, 27 Nov - Thu, 4 Dec

17:45 - 09:50JFK-CWL

11h 05m1 stop

10:20 - 19:20CWL-JFK

14h 00m1 stop

£492Virgin Atlantic

Find Deal

Wed, 26 Nov - Wed, 3 Dec

20:50 - 16:55BOS-CWL

15h 05m1 stop

10:20 - 13:30CWL-BOS

32h 10m1 stop

£515Delta

Find Deal

Wed, 31 Dec - Mon, 26 Jan

19:05 - 09:50BOS-CWL

9h 45m1 stop

10:20 - 18:55CWL-BOS

13h 35m1 stop

£515Delta

Find Deal

Wed, 31 Dec - Wed, 28 Jan

16:45 - 09:50JFK-CWL

12h 05m1 stop

10:20 - 22:23CWL-JFK

17h 03m2 stops

£518KLM

Find Deal

Wed, 26 Nov - Wed, 3 Dec

19:10 - 09:50BOS-CWL

9h 40m1 stop

17:15 - 13:30CWL-BOS

25h 15m1 stop

£521KLM

Find Deal

Mon, 12 Jan - Mon, 19 Jan

17:45 - 16:55JFK-CWL

18h 10m1 stop

10:20 - 01:08CWL-JFK

19h 48m2 stops

£523Virgin Atlantic

Find Deal

Tue, 11 Nov - Tue, 18 Nov

20:45 - 16:45BOS-CWL

39h 00m2 stops

09:50 - 18:25CWL-BOS

13h 35m1 stop

£630Air France

Find Deal

Sun, 29 Mar - Wed, 1 Apr

20:45 - 16:45BOS-CWL

39h 00m2 stops

09:50 - 23:38CWL-BOS

18h 48m2 stops

£634Air France

Find Deal

Sun, 29 Mar - Wed, 1 Apr

Delta flights from United States to Cardiff

Our best Delta deals on United States to Cardiff flight tickets

Delta

31 Dec

BOS20:50Boston Logan Intl

15h 05m

1 stop

CWL16:55Cardiff Wales

26 Jan

CWL10:20Cardiff Wales

32h 10m

1 stop

BOS13:30Boston Logan Intl

£515

Find similar

Delta

31 Dec

BOS19:05Boston Logan Intl

9h 45m

1 stop

CWL09:50Cardiff Wales

28 Jan

CWL10:20Cardiff Wales

13h 35m

1 stop

BOS18:55Boston Logan Intl

£515

Find similar

Delta

31 Dec

BOS07:00Boston Logan Intl

28h 55m

2 stops

CWL16:55Cardiff Wales

28 Jan

CWL10:20Cardiff Wales

32h 10m

1 stop

BOS13:30Boston Logan Intl

£518

Find similar

Air France flights from United States to Cardiff

Our best Air France deals on United States to Cardiff flight tickets

Air France

29 Mar

BOS20:45Boston Logan Intl

39h 00m

2 stops

CWL16:45Cardiff Wales

1 Apr

CWL09:50Cardiff Wales

13h 35m

1 stop

BOS18:25Boston Logan Intl

£630

Find similar

Air France

29 Mar

BOS20:45Boston Logan Intl

39h 00m

2 stops

CWL16:45Cardiff Wales

1 Apr

CWL09:50Cardiff Wales

18h 48m

2 stops

BOS23:38Boston Logan Intl

£634

Find similar

Air France

1 Apr

DTW22:35Detroit Metropolitan Wayne County

13h 10m

1 stop

CWL16:45Cardiff Wales

11 Apr

CWL17:35Cardiff Wales

27h 00m

1 stop

DTW15:35Detroit Metropolitan Wayne County

£704

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Thu 13/11

21:00-22:00

2 stops20h 00m

Cardiff Wales

Sun 16/11

21:20-20:58

3 stops28h 38m

£375

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Thu 27/11

21:00-22:00

2 stops20h 00m

Cardiff Wales

Thu 4/12

10:30-16:40

2 stops35h 10m

£412

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 26/11

17:45-09:50

1 stop11h 05m

Cardiff Wales

Wed 3/12

10:20-19:20

1 stop14h 00m

£492

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 31/12

20:50-16:55

1 stop15h 05m

Cardiff Wales

Mon 26/1

10:20-13:30

1 stop32h 10m

£515

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 31/12

19:05-09:50

1 stop9h 45m

Cardiff Wales

Wed 28/1

10:20-18:55

1 stop13h 35m

£515

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 26/11

16:45-09:50

1 stop12h 05m

Cardiff Wales

Wed 3/12

10:20-22:23

2 stops17h 03m

£518

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 12/1

19:10-09:50

1 stop9h 40m

Cardiff Wales

Mon 19/1

17:15-13:30

1 stop25h 15m

£521

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 11/11

17:45-16:55

1 stop18h 10m

Cardiff Wales

Tue 18/11

10:20-01:08

2 stops19h 48m

£523

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 29/3

20:45-16:45

2 stops39h 00m

Cardiff Wales

Wed 1/4

09:50-18:25

1 stop13h 35m

£630

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 29/3

20:45-16:45

2 stops39h 00m

Cardiff Wales

Wed 1/4

09:50-23:38

2 stops18h 48m

£634

Flights are sorted by cheapest return flights first.

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How to get the cheapest flight ticket from United States 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

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Can stopping save me money on United States to Cardiff flights?

You could potentially save up to 29% on your flight if you consider stops on a United States to Cardiff flight.

Cheap United States to Cardiff flight deals and tips

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

Direct flights	None

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

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When did momondo last update prices for flights from United States to Cardiff Wales Airport?
Prices for flights from United States to Cardiff Wales Airport were last updated today.
How old do you have to be to fly from United States to Cardiff Wales Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Cardiff Wales Airport.
What documentation or ID do you need to fly to Cardiff Wales Airport?
The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Barry

Bridgend

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

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

Yes. momondo allows you to filter the results for United States to Cardiff flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Cardiff?

Once you have performed a search for United States to Cardiff flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from United States to Cardiff right now. Can momondo alert me if prices change?

Yes. momondo can track prices for United States to Cardiff flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.