Which airlines fly to Cardiff?

Aer Lingus and KLM are the most popular airlines that fly from United States to Cardiff on a routine basis, according to our data. You should be able to find flights to Cardiff with these airlines and other airlines flying from United States.

$303 Cheap Flights to Cardiff in 2026

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Find the cheapest flights from the United States to Cardiff

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:15 pm - 10:50 pmBOS Boston Logan Intl-CWL Cardiff Wales

20h 35m1 stop Dublin

10:10 pm - 9:05 pmCWL Cardiff Wales-BOS Boston Logan Intl

51h 55m2 stops Dublin Barcelona-El Prat

$640Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

5:25 pm - 7:20 amBOS Boston Logan Intl-CWL Cardiff Wales

8h 55m1 stop Dublin

9:00 am - 6:50 pmCWL Cardiff Wales-BOS Boston Logan Intl

38h 50m2 stops Malaga Dublin

$787Multiple Airlines

Thu, Oct 15 - Thu, Oct 22

11:55 pm - 7:20 amJFK New York John F Kennedy Intl-CWL Cardiff Wales

26h 25m1 stop Dublin

11:50 pm - 3:40 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

44h 50m2 stops Dublin Oslo Gardermoen

$791Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

11:00 pm - 10:50 pmEWR Newark-CWL Cardiff Wales

18h 50m2 stops Paris Orly Dublin

10:10 pm - 4:05 pmCWL Cardiff Wales-EWR Newark

22h 55m1 stop Dublin

$804Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

5:35 pm - 11:25 pmEWR Newark-CWL Cardiff Wales

24h 50m1 stop Dublin

9:45 pm - 9:00 pmCWL Cardiff Wales-EWR Newark

28h 15m2 stops Alicante Paris Orly

$805Multiple Airlines

Tue, Oct 13 - Tue, Oct 20

11:55 pm - 10:50 pmJFK New York John F Kennedy Intl-CWL Cardiff Wales

17h 55m1 stop Dublin

1:35 pm - 10:25 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

37h 50m2 stops Malaga Dublin

$808Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

4:45 pm - 9:15 amLGA New York LaGuardia-CWL Cardiff Wales

35h 30m3 stops Toronto Pearson Intl Dublin Amsterdam Schiphol

10:10 pm - 3:46 pmCWL Cardiff Wales-LGA New York LaGuardia

22h 36m2 stops Dublin Toronto Pearson Intl

$809Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

4:55 pm - 7:20 amJFK New York John F Kennedy Intl-CWL Cardiff Wales

9h 25m1 stop Dublin

9:00 am - 3:55 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

35h 55m2 stops Malaga London Gatwick

$817Multiple Airlines

Thu, Oct 15 - Thu, Oct 22

12:30 am - 8:35 amJFK New York John F Kennedy Intl-CWL Cardiff Wales

27h 05m2 stops Rome Fiumicino Malaga

10:10 pm - 10:25 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

29h 15m1 stop Dublin

$828Multiple Airlines

Tue, Oct 13 - Mon, Oct 19

8:20 pm - 10:50 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

21h 30m2 stops Zurich Dublin

10:10 pm - 8:25 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 15m2 stops Dublin Toronto Pearson Intl

$832Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

Cheap last minute flights

Enter your travel dates to find the best prices.

5:45 am - 9:15 amPHL Philadelphia-CWL Cardiff Wales

22h 30m2 stops Minneapolis St Paul Amsterdam Schiphol

9:45 am - 11:58 pmCWL Cardiff Wales-PHL Philadelphia

19h 13m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,016Delta

Tue, Sep 1 - Wed, Sep 9

1:15 pm - 9:15 amPHL Philadelphia-CWL Cardiff Wales

15h 00m2 stops Boston Logan Intl Amsterdam Schiphol

5:15 pm - 4:13 pmCWL Cardiff Wales-PHL Philadelphia

27h 58m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,017KLM

Tue, Sep 1 - Mon, Sep 14

5:45 am - 9:15 amPHL Philadelphia-CWL Cardiff Wales

22h 30m2 stops Minneapolis St Paul Amsterdam Schiphol

9:45 am - 10:21 pmCWL Cardiff Wales-PHL Philadelphia

17h 36m2 stops Amsterdam Schiphol Boston Logan Intl

$1,067Delta

Tue, Sep 1 - Mon, Sep 14

11:55 pm - 10:25 pmJFK New York John F Kennedy Intl-CWL Cardiff Wales

17h 30m1 stop Dublin

10:45 pm - 5:00 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

23h 15m2 stops Dublin Kastrup Copenhagen

$1,123Multiple Airlines

Wed, Sep 2 - Fri, Sep 4

2:30 pm - 10:15 amLGA New York LaGuardia-CWL Cardiff Wales

14h 45m1 stop Toronto Pearson Intl

10:45 pm - 10:35 pmCWL Cardiff Wales-LGA New York LaGuardia

28h 50m2 stops Dublin Toronto Pearson Intl

$1,275Multiple Airlines

Wed, Sep 2 - Fri, Sep 4

8:45 am - 10:15 amLGA New York LaGuardia-CWL Cardiff Wales

20h 30m1 stop Toronto Pearson Intl

10:45 pm - 9:47 amCWL Cardiff Wales-LGA New York LaGuardia

40h 02m3 stops Dublin Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,281Multiple Airlines

Wed, Sep 2 - Fri, Sep 4

4:40 pm - 9:15 amJFK New York John F Kennedy Intl-CWL Cardiff Wales

11h 35m1 stop Amsterdam Schiphol

9:45 am - 5:05 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

12h 20m1 stop Amsterdam Schiphol

$1,301Multiple Airlines

Tue, Sep 1 - Wed, Sep 9

4:40 pm - 9:15 amJFK New York John F Kennedy Intl-CWL Cardiff Wales

11h 35m1 stop Amsterdam Schiphol

9:45 am - 5:05 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

12h 20m1 stop Amsterdam Schiphol

$1,302Multiple Airlines

Tue, Sep 1 - Wed, Sep 9

1:14 pm - 9:15 amJFK New York John F Kennedy Intl-CWL Cardiff Wales

15h 01m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

9:45 am - 5:05 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

12h 20m1 stop Amsterdam Schiphol

$1,306KLM

Tue, Sep 1 - Wed, Sep 9

1:14 pm - 9:15 amJFK New York John F Kennedy Intl-CWL Cardiff Wales

15h 01m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

9:45 am - 5:05 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

12h 20m1 stop Amsterdam Schiphol

$1,307KLM

Tue, Sep 1 - Wed, Sep 9

Fly from

Route

Depart

Return

Price

Cheapest round-trip

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Mon 10/12

9:15 pm-10:50 pm

1 stop20h 35m

Cardiff Wales

Mon 10/19

10:10 pm-9:05 pm

2 stops51h 55m

$640

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Thu 10/15

5:25 pm-7:20 am

1 stop8h 55m

Cardiff Wales

Thu 10/22

9:00 am-6:50 pm

2 stops38h 50m

$787

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Wed 10/14

11:55 pm-7:20 am

1 stop26h 25m

Cardiff Wales

Wed 10/21

11:50 pm-3:40 pm

2 stops44h 50m

$791

Quickest round-trip

NewarkCardiff

EWR Newark - CWL Cardiff Wales

EWRCWL

Newark

Mon 10/12

11:00 pm-10:50 pm

2 stops18h 50m

Cardiff Wales

Mon 10/19

10:10 pm-4:05 pm

1 stop22h 55m

$804

NewarkCardiff

EWR Newark - CWL Cardiff Wales

EWRCWL

Newark

Tue 10/13

5:35 pm-11:25 pm

1 stop24h 50m

Cardiff Wales

Tue 10/20

9:45 pm-9:00 pm

2 stops28h 15m

$805

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Mon 10/12

11:55 pm-10:50 pm

1 stop17h 55m

Cardiff Wales

Mon 10/19

1:35 pm-10:25 pm

2 stops37h 50m

$808

New YorkCardiff

LGA New York LaGuardia - CWL Cardiff Wales

LGACWL

New York LaGuardia

Mon 10/12

4:45 pm-9:15 am

3 stops35h 30m

Cardiff Wales

Mon 10/19

10:10 pm-3:46 pm

2 stops22h 36m

$809

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Thu 10/15

4:55 pm-7:20 am

1 stop9h 25m

Cardiff Wales

Thu 10/22

9:00 am-3:55 pm

2 stops35h 55m

$817

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Tue 10/13

12:30 am-8:35 am

2 stops27h 05m

Cardiff Wales

Mon 10/19

10:10 pm-10:25 pm

1 stop29h 15m

$828

Washington, D.C.Cardiff

IAD Washington, D.C. Dulles Intl - CWL Cardiff Wales

IADCWL

Washington, D.C. Dulles Intl

Mon 10/12

8:20 pm-10:50 pm

2 stops21h 30m

Cardiff Wales

Mon 10/19

10:10 pm-8:25 pm

2 stops27h 15m

$832

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cardiff flights insights and trends

Explore insights for your Cardiff flight to craft the best travel plan

How long does it take to fly to Cardiff?

If you’re flying from a popular airport in United States, such as Los Angeles Los Angeles or Miami, and flying into Cardiff, then you can expect flight times to average 16h 50m and 16h 47m, respectively.

Cheap Cardiff flight deals and tips

Summary info about Cardiff flight prices, duration and airlines

Best One-Way Price	$303
Best Round-Trip Price	$640
Fastest flight time	10h 25m

The best one-way flight price to Cardiff from United States in the last 5 days is $303 (Newark to Cardiff Wales).

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The best round-trip flight price to Cardiff from United States in the last 5 days is $640 (Boston Logan Intl to Cardiff Wales).

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The fastest flight to Cardiff from United States takes 10h 25m (Chicago O'Hare Intl to Cardiff Wales).

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Frequently asked questions about flying to Cardiff

Is there an alternative airport near Cardiff?

Those flying to Cardiff could potentially find better pricing at Bristol Airport (21 mi from Cardiff city center), Swansea Fairwood Comm Airport (39 mi from Cardiff city center), Gloucestershire Airport (52 mi from Cardiff city center), Exeter Airport (52 mi from Cardiff city center) or Brize Norton Airport (71 mi from Cardiff city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into Cardiff?

With an average price of $164 per person, Exeter Airport is the cheapest airport to fly into when planning your trip to Cardiff. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

What is the absolute cheapest flight to Cardiff?

In the past two weeks, users have booked deals to Cardiff for $48/person, which is 71% cheaper than the average flight to Cardiff. To find the cheapest price to Cardiff from your area, use momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Cardiff Wales Airport are updated daily.

How many operators does momondo search for flights to Cardiff Wales Airport?

The number of operators available for flights to Cardiff Wales Airport is 4 as of August 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Cardiff Wales Airport.

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

The travel and health documents you'll need for your trip to Cardiff Wales Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cardiff Wales Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

All flight searches to Cardiff on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Cardiff?

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