Which airlines fly to Cardiff?

Aer Lingus, Delta 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.

$308 Cheap Flights to Cardiff in 2026/27

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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.

5:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

9:05 am - 4:20 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

36h 15m2 stops Alicante Madrid Barajas

$745Multiple Airlines

Sun, Nov 29 - Sun, Dec 6

5:15 pm - 3:40 pmBOS Boston Logan Intl-CWL Cardiff Wales

17h 25m1 stop Dublin

1:25 pm - 7:05 pmCWL Cardiff Wales-BOS Boston Logan Intl

10h 40m1 stop Dublin

$780Multiple Airlines

Thu, Dec 3 - Thu, Dec 10

5:00 pm - 3:40 pmJFK New York John F Kennedy Intl-CWL Cardiff Wales

17h 40m1 stop Dublin

1:25 pm - 7:29 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

11h 04m1 stop Dublin

$820Multiple Airlines

Thu, Dec 3 - Thu, Dec 10

5:00 pm - 3:40 pmJFK New York John F Kennedy Intl-CWL Cardiff Wales

17h 40m1 stop Dublin

5:30 pm - 5:50 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

29h 20m2 stops Alicante Madrid Barajas

$824Multiple Airlines

Thu, Dec 3 - Thu, Dec 10

8:05 pm - 3:40 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

13h 35m1 stop Dublin

1:25 pm - 6:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

10h 55m1 stop Dublin

$825Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

5:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

2:25 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

30h 20m1 stop Dublin

$830Multiple Airlines

Sun, Nov 29 - Sun, Dec 6

6:00 pm - 7:50 amBOS Boston Logan Intl-CWL Cardiff Wales

32h 50m2 stops Lisbon Humberto Delgado Dublin

1:25 pm - 7:05 pmCWL Cardiff Wales-BOS Boston Logan Intl

10h 40m1 stop Dublin

$837Multiple Airlines

Thu, Dec 3 - Thu, Dec 10

8:05 pm - 7:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

29h 45m1 stop Dublin

1:25 pm - 3:30 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

32h 05m2 stops Dublin Lisbon Humberto Delgado

$856Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

8:30 am - 9:45 amSEA Seattle/Tacoma Intl-CWL Cardiff Wales

17h 15m2 stops Minneapolis St Paul Amsterdam Schiphol

10:20 am - 11:50 amCWL Cardiff Wales-SEA Seattle/Tacoma Intl

33h 30m1 stop Amsterdam Schiphol

$1,093Delta

Mon, Nov 16 - Wed, Dec 2

2:35 pm - 5:00 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

18h 25m1 stop Amsterdam Schiphol

10:20 am - 11:50 amCWL Cardiff Wales-SEA Seattle/Tacoma Intl

33h 30m1 stop Amsterdam Schiphol

$1,093Delta

Mon, Nov 16 - Wed, Dec 2

Cheap last minute flights

Enter your travel dates to find the best prices.

4:55 pm - 9:55 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

24h 00m1 stop Dublin

1:25 pm - 6:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

10h 55m1 stop Dublin

$1,002Multiple Airlines

Mon, Oct 26 - Thu, Nov 5

9:05 pm - 9:55 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

19h 50m1 stop Dublin

1:25 pm - 3:30 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

32h 05m2 stops Dublin Lisbon Humberto Delgado

$1,016Multiple Airlines

Mon, Oct 26 - Thu, Nov 5

9:51 am - 9:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

18h 54m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

10:20 am - 8:30 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

16h 10m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,232Delta

Mon, Oct 26 - Thu, Nov 5

12:45 pm - 9:55 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

28h 10m2 stops Istanbul Dublin

1:25 pm - 12:21 amCWL Cardiff Wales-ORD Chicago O'Hare Intl

40h 56m3 stops Dublin Istanbul Denver Intl

$1,638Multiple Airlines

Mon, Oct 26 - Thu, Nov 5

7:30 pm - 11:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

35h 15m3 stops Reykjavik Keflavik Intl Glasgow Intl Belfast City

1:25 pm - 12:21 amCWL Cardiff Wales-ORD Chicago O'Hare Intl

40h 56m3 stops Dublin Istanbul Denver Intl

$1,705Multiple Airlines

Mon, Oct 26 - Thu, Nov 5

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

11h 35m1 stop Amsterdam Schiphol

5:30 pm - 4:00 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

26h 30m1 stop Amsterdam Schiphol

$2,919Virgin Atlantic

Fri, Oct 23 - Fri, Oct 30

9:30 pm - 5:05 pmJFK New York John F Kennedy Intl-CWL Cardiff Wales

14h 35m2 stops Paris Charles de Gaulle Amsterdam Schiphol

10:20 am - 11:45 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

17h 25m2 stops Amsterdam Schiphol Paris Charles de Gaulle

$2,937Air France

Fri, Oct 23 - Fri, Oct 30

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

11h 35m1 stop Amsterdam Schiphol

10:20 am - 11:45 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

17h 25m2 stops Amsterdam Schiphol Paris Charles de Gaulle

$2,981KLM

Fri, Oct 23 - Fri, Oct 30

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

11h 35m1 stop Amsterdam Schiphol

10:20 am - 11:45 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

17h 25m2 stops Amsterdam Schiphol Paris Charles de Gaulle

$2,984KLM

Fri, Oct 23 - Fri, Oct 30

10:55 am - 9:15 amJFK New York John F Kennedy Intl-CWL Cardiff Wales

17h 20m2 stops Chicago O'Hare Intl Amsterdam Schiphol

10:20 am - 8:20 pmCWL Cardiff Wales-JFK New York John F Kennedy Intl

14h 00m1 stop Amsterdam Schiphol

$3,635Delta

Fri, Oct 23 - Fri, Oct 30

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 11/29

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Sun 12/6

9:05 am-4:20 pm

2 stops36h 15m

$745

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Thu 12/3

5:15 pm-3:40 pm

1 stop17h 25m

Cardiff Wales

Thu 12/10

1:25 pm-7:05 pm

1 stop10h 40m

$780

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Thu 12/3

5:00 pm-3:40 pm

1 stop17h 40m

Cardiff Wales

Thu 12/10

1:25 pm-7:29 pm

1 stop11h 04m

$820

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Thu 12/3

5:00 pm-3:40 pm

1 stop17h 40m

Cardiff Wales

Thu 12/10

5:30 pm-5:50 pm

2 stops29h 20m

$824

Quickest round-trip

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Thu 11/12

8:05 pm-3:40 pm

1 stop13h 35m

Cardiff Wales

Thu 11/19

1:25 pm-6:20 pm

1 stop10h 55m

$825

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 11/29

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Sun 12/6

2:25 pm-3:45 pm

1 stop30h 20m

$830

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Thu 12/3

6:00 pm-7:50 am

2 stops32h 50m

Cardiff Wales

Thu 12/10

1:25 pm-7:05 pm

1 stop10h 40m

$837

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Thu 11/12

8:05 pm-7:50 am

1 stop29h 45m

Cardiff Wales

Thu 11/19

1:25 pm-3:30 pm

2 stops32h 05m

$856

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Mon 11/16

8:30 am-9:45 am

2 stops17h 15m

Cardiff Wales

Wed 12/2

10:20 am-11:50 am

1 stop33h 30m

$1,093

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Mon 11/16

2:35 pm-5:00 pm

1 stop18h 25m

Cardiff Wales

Wed 12/2

10:20 am-11:50 am

1 stop33h 30m

$1,093

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 or Miami, and flying into Cardiff, then you can expect flight times to average 19h 10m and 17h 15m, respectively.

Cheap Cardiff flight deals and tips

Summary info about Cardiff flight prices, duration and airlines

Best One-Way Price	$308
Best Round-Trip Price	$745
Fastest flight time	10h 55m

The best one-way flight price to Cardiff from United States in the last 5 days is $308 (Washington, D.C. Dulles 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 $745 (Washington, D.C. Dulles Intl to Cardiff Wales).

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The fastest flight to Cardiff from United States takes 10h 55m (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 $175 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 $17/person, which is 92% 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 5 as of October 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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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?

momondo provides multiple filters to help you find the best flight to Cardiff. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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.