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.

$244 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.

8:30 pm - 10:50 pmJFK New York John F Kennedy Intl-CWL Cardiff Wales

21h 20m2 stops Reykjavik Keflavik Intl Dublin

11:15 pm - 7:20 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

25h 05m2 stops Dublin Reykjavik Keflavik Intl

$733Multiple Airlines

Mon, Sep 28 - Tue, Oct 13

5:25 pm - 11:25 pmBOS Boston Logan Intl-CWL Cardiff Wales

25h 00m1 stop Dublin

4:15 pm - 6:50 pmCWL Cardiff Wales-BOS Boston Logan Intl

31h 35m2 stops Malaga Dublin

$752Multiple Airlines

Tue, Sep 15 - Tue, Sep 29

8:05 pm - 10:50 pmBOS Boston Logan Intl-CWL Cardiff Wales

21h 45m2 stops Munich Franz Josef Strauss Dublin

10:45 pm - 2:41 pmCWL Cardiff Wales-BOS Boston Logan Intl

20h 56m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

$760Multiple Airlines

Mon, Sep 7 - Fri, Sep 18

5:25 pm - 11:25 pmBOS Boston Logan Intl-CWL Cardiff Wales

25h 00m1 stop Dublin

9:45 pm - 9:05 pmCWL Cardiff Wales-BOS Boston Logan Intl

28h 20m2 stops Alicante Barcelona-El Prat

$767Multiple Airlines

Tue, Sep 15 - Tue, Sep 29

9:40 pm - 9:45 pmBOS Boston Logan Intl-CWL Cardiff Wales

19h 05m2 stops Zurich Dublin

11:50 pm - 2:41 pmCWL Cardiff Wales-BOS Boston Logan Intl

19h 51m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

$768Multiple Airlines

Sun, Sep 6 - Wed, Sep 16

4:55 pm - 10:50 pmJFK New York John F Kennedy Intl-CWL Cardiff Wales

24h 55m1 stop Dublin

10:10 pm - 10:30 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

29h 20m2 stops Dublin Rome Fiumicino

$778Multiple Airlines

Mon, Sep 28 - Mon, Oct 12

4:55 pm - 9:45 pmJFK New York John F Kennedy Intl-CWL Cardiff Wales

23h 50m1 stop Dublin

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

28h 50m2 stops Dublin Barcelona-El Prat

$791Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

9:40 pm - 9:45 pmBOS Boston Logan Intl-CWL Cardiff Wales

19h 05m2 stops Zurich Dublin

10:10 pm - 4:10 pmCWL Cardiff Wales-BOS Boston Logan Intl

23h 00m2 stops Dublin Toronto Pearson Intl

$792Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

4:55 pm - 9:45 pmJFK New York John F Kennedy Intl-CWL Cardiff Wales

23h 50m1 stop Dublin

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

28h 50m2 stops Dublin Barcelona-El Prat

$792Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

8:30 pm - 10:50 pmJFK New York John F Kennedy Intl-CWL Cardiff Wales

21h 20m3 stops Reykjavik Keflavik Intl Edinburgh Turnhouse Dublin

4:15 pm - 12:55 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

25h 40m2 stops Malaga Paris Charles de Gaulle

$811Multiple Airlines

Mon, Sep 28 - Tue, Oct 13

Cheap last minute flights

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5:35 pm - 10:50 pmEWR Newark-CWL Cardiff Wales

24h 15m1 stop Dublin

11:15 pm - 10:00 pmCWL Cardiff Wales-EWR Newark

27h 45m2 stops Dublin Toronto Pearson Intl

$971Multiple Airlines

Tue, Aug 11 - Wed, Aug 19

5:35 pm - 10:25 pmEWR Newark-CWL Cardiff Wales

23h 50m1 stop Dublin

11:15 pm - 10:00 pmCWL Cardiff Wales-EWR Newark

27h 45m2 stops Dublin Toronto Pearson Intl

$974Multiple Airlines

Wed, Aug 12 - Tue, Aug 18

5:35 pm - 10:25 pmEWR Newark-CWL Cardiff Wales

23h 50m1 stop Dublin

11:15 pm - 10:00 pmCWL Cardiff Wales-EWR Newark

27h 45m2 stops Dublin Toronto Pearson Intl

$975Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

5:35 pm - 10:50 pmEWR Newark-CWL Cardiff Wales

24h 15m1 stop Dublin

10:50 pm - 10:40 amCWL Cardiff Wales-EWR Newark

40h 50m2 stops Dublin Toronto Pearson Intl

$1,014Multiple Airlines

Tue, Aug 11 - Thu, Aug 20

5:35 pm - 6:55 amEWR Newark-CWL Cardiff Wales

32h 20m1 stop Dublin

11:15 pm - 10:00 pmCWL Cardiff Wales-EWR Newark

27h 45m2 stops Dublin Toronto Pearson Intl

$1,075Multiple Airlines

Thu, Aug 13 - Wed, Aug 19

11:20 am - 10:15 amEWR Newark-CWL Cardiff Wales

17h 55m1 stop Toronto Island

11:35 am - 10:00 pmCWL Cardiff Wales-EWR Newark

15h 25m1 stop Toronto Pearson Intl

$1,125Multiple Airlines

Wed, Aug 12 - Thu, Aug 20

11:20 am - 10:15 amEWR Newark-CWL Cardiff Wales

17h 55m1 stop Toronto Island

11:35 am - 9:40 pmCWL Cardiff Wales-EWR Newark

39h 05m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,151Multiple Airlines

Wed, Aug 12 - Thu, Aug 20

6:00 am - 10:25 pmEWR Newark-CWL Cardiff Wales

35h 25m3 stops Montreal Pierre Elliott Trudeau Intl Edinburgh Turnhouse Dublin

11:35 am - 10:40 amCWL Cardiff Wales-EWR Newark

28h 05m2 stops Toronto Pearson Intl Ottawa

$1,172Multiple Airlines

Wed, Aug 12 - Mon, Aug 17

6:00 am - 10:25 pmEWR Newark-CWL Cardiff Wales

35h 25m3 stops Montreal Pierre Elliott Trudeau Intl Edinburgh Turnhouse Dublin

11:35 am - 2:55 pmCWL Cardiff Wales-EWR Newark

32h 20m3 stops Toronto Pearson Intl Ottawa Montreal Pierre Elliott Trudeau Intl

$1,181Multiple Airlines

Wed, Aug 12 - Mon, Aug 17

11:20 am - 10:15 amEWR Newark-CWL Cardiff Wales

17h 55m1 stop Toronto Island

11:35 am - 10:00 pmCWL Cardiff Wales-EWR Newark

15h 25m1 stop Toronto Pearson Intl

$1,212Multiple Airlines

Wed, Aug 12 - Mon, Aug 17

Fly from

Route

Depart

Return

Price

Cheapest round-trip

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Mon 9/28

8:30 pm-10:50 pm

2 stops21h 20m

Cardiff Wales

Tue 10/13

11:15 pm-7:20 pm

2 stops25h 05m

$733

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Tue 9/15

5:25 pm-11:25 pm

1 stop25h 00m

Cardiff Wales

Tue 9/29

4:15 pm-6:50 pm

2 stops31h 35m

$752

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Mon 9/7

8:05 pm-10:50 pm

2 stops21h 45m

Cardiff Wales

Fri 9/18

10:45 pm-2:41 pm

2 stops20h 56m

$760

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Tue 9/15

5:25 pm-11:25 pm

1 stop25h 00m

Cardiff Wales

Tue 9/29

9:45 pm-9:05 pm

2 stops28h 20m

$767

Quickest round-trip

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Sun 9/6

9:40 pm-9:45 pm

2 stops19h 05m

Cardiff Wales

Wed 9/16

11:50 pm-2:41 pm

2 stops19h 51m

$768

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Mon 9/28

4:55 pm-10:50 pm

1 stop24h 55m

Cardiff Wales

Mon 10/12

10:10 pm-10:30 pm

2 stops29h 20m

$778

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Sun 9/27

4:55 pm-9:45 pm

1 stop23h 50m

Cardiff Wales

Mon 10/12

10:10 pm-10:00 pm

2 stops28h 50m

$791

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Sun 9/27

9:40 pm-9:45 pm

2 stops19h 05m

Cardiff Wales

Mon 10/12

10:10 pm-4:10 pm

2 stops23h 00m

$792

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Sun 9/27

4:55 pm-9:45 pm

1 stop23h 50m

Cardiff Wales

Mon 10/12

10:10 pm-10:00 pm

2 stops28h 50m

$792

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Mon 9/28

8:30 pm-10:50 pm

3 stops21h 20m

Cardiff Wales

Tue 10/13

4:15 pm-12:55 pm

2 stops25h 40m

$811

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 San Francisco, and flying into Cardiff, then you can expect flight times to average 18h 15m and 18h 30m, respectively.

Cheap Cardiff flight deals and tips

Summary info about Cardiff flight prices, duration and airlines

Best One-Way Price	$244
Best Round-Trip Price	$733
Fastest flight time	16h 30m

The best one-way flight price to Cardiff from United States in the last 5 days is $244 (New York John F Kennedy Intl to Cardiff Wales).

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The best round-trip flight price to Cardiff from United States in the last 5 days is $733 (New York John F Kennedy Intl to Cardiff Wales).

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The fastest flight to Cardiff from United States takes 16h 30m (Washington, D.C. Reagan-National 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 $154 per person, Bristol 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 $38/person, which is 77% 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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Why should I use momondo to find a flight deal to Cardiff?

It is quick and easy to find flights to Cardiff on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cardiff that suits you.

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