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Cheap flights from the United States to Cardiff from £238

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Cardiff departing on 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from the United States to Cardiff

Recent return flight deals from the United States to Cardiff

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:00 - 10:15
EWR
-
CWL
23h 15m
2 stops
Multiple Airlines Logo
23:15 - 19:05
CWL
-
EWR
24h 50m
3 stops
£516Multiple Airlines
Wed, 10 Jun - Tue, 16 Jun
Multiple Airlines Logo
09:00 - 10:15
EWR
-
CWL
20h 15m
1 stop
Multiple Airlines Logo
23:15 - 19:05
CWL
-
EWR
24h 50m
3 stops
£517Multiple Airlines
Wed, 10 Jun - Tue, 16 Jun
Multiple Airlines Logo
11:35 - 10:15
LGA
-
CWL
17h 40m
1 stop
Multiple Airlines Logo
23:15 - 19:25
CWL
-
LGA
25h 10m
3 stops
£541Multiple Airlines
Wed, 10 Jun - Tue, 16 Jun
KLM Logo
16:20 - 16:45
ORD
-
CWL
18h 25m
1 stop
KLM Logo
17:15 - 14:30
CWL
-
ORD
27h 15m
1 stop
£755KLM
Tue, 1 Sep - Tue, 15 Sep
KLM Logo
17:05 - 16:45
ATL
-
CWL
18h 40m
1 stop
KLM Logo
09:45 - 17:00
CWL
-
ATL
12h 15m
1 stop
£771KLM
Sun, 6 Sep - Fri, 11 Sep
Delta Logo
19:50 - 16:45
ATL
-
CWL
15h 55m
1 stop
Delta Logo
09:45 - 17:07
CWL
-
ATL
12h 22m
1 stop
£772Delta
Tue, 15 Sep - Thu, 8 Oct
Delta Logo
13:00 - 09:15
ATL
-
CWL
15h 15m
2 stops
Delta Logo
09:45 - 14:05
CWL
-
ATL
33h 20m
1 stop
£775Delta
Tue, 15 Sep - Tue, 6 Oct
WestJet Logo
09:49 - 10:15
MDW
-
CWL
18h 26m
2 stops
WestJet Logo
11:35 - 09:08
CWL
-
MDW
27h 33m
2 stops
£799WestJet
Fri, 10 Jul - Tue, 21 Jul
Virgin Atlantic Logo
17:05 - 09:15
ATL
-
CWL
11h 10m
1 stop
Virgin Atlantic Logo
09:45 - 17:07
CWL
-
ATL
12h 22m
1 stop
£808Virgin Atlantic
Fri, 18 Sep - Wed, 7 Oct
WestJet Logo
19:13 - 10:15
MDW
-
CWL
33h 02m
2 stops
WestJet Logo
11:35 - 09:14
CWL
-
MDW
27h 39m
2 stops
£812WestJet
Tue, 2 Jun - Mon, 8 Jun

Air France flights from United States to Cardiff

Our best Air France deals on United States to Cardiff flight tickets
Air France
21 May
JFK18:15New York John F Kennedy Intl
17h 30m
1 stop
CWL16:45Cardiff Wales
25 May
CWL09:45Cardiff Wales
31h 39m
1 stop
JFK12:24New York John F Kennedy Intl
£922
Air France
5 Jul
ATL22:40Atlanta Hartsfield-Jackson
13h 05m
1 stop
CWL16:45Cardiff Wales
21 Jul
CWL17:15Cardiff Wales
28h 44m
1 stop
ATL16:59Atlanta Hartsfield-Jackson
£931
Air France
5 Jul
ATL20:05Atlanta Hartsfield-Jackson
15h 40m
2 stops
CWL16:45Cardiff Wales
21 Jul
CWL09:45Cardiff Wales
15h 09m
2 stops
ATL19:54Atlanta Hartsfield-Jackson
£1,281

KLM flights from United States to Cardiff

Our best KLM deals on United States to Cardiff flight tickets
KLM
1 Sept
ORD16:20Chicago O'Hare Intl
18h 25m
1 stop
CWL16:45Cardiff Wales
15 Sept
CWL17:15Cardiff Wales
27h 15m
1 stop
ORD14:30Chicago O'Hare Intl
£755
KLM
7 Oct
ORD13:30Chicago O'Hare Intl
13h 45m
2 stops
CWL09:15Cardiff Wales
14 Oct
CWL09:45Cardiff Wales
10h 45m
1 stop
ORD14:30Chicago O'Hare Intl
£759
KLM
7 Oct
ORD13:15Chicago O'Hare Intl
14h 00m
2 stops
CWL09:15Cardiff Wales
14 Oct
CWL09:45Cardiff Wales
18h 19m
2 stops
ORD22:04Chicago O'Hare Intl
£766

momondo Fare Finder

 
Customise your flight search to find flights from United States to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 13 May 2026.
Use the filters below to find and compare flights from the United States to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Wed 10/6

06:00-10:15

2 stops23h 15m

Cardiff Wales

Tue 16/6

23:15-19:05

3 stops24h 50m

£516

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Wed 10/6

09:00-10:15

1 stop20h 15m

Cardiff Wales

Tue 16/6

23:15-19:05

3 stops24h 50m

£517

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Wed 10/6

11:35-10:15

1 stop17h 40m

Cardiff Wales

Tue 16/6

23:15-19:25

3 stops25h 10m

£541

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 1/9

16:20-16:45

1 stop18h 25m

Cardiff Wales

Tue 15/9

17:15-14:30

1 stop27h 15m

£755

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Sun 6/9

17:05-16:45

1 stop18h 40m

Cardiff Wales

Fri 11/9

09:45-17:00

1 stop12h 15m

£771

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Tue 15/9

19:50-16:45

1 stop15h 55m

Cardiff Wales

Thu 8/10

09:45-17:07

1 stop12h 22m

£772

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Tue 15/9

13:00-09:15

2 stops15h 15m

Cardiff Wales

Tue 6/10

09:45-14:05

1 stop33h 20m

£775

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Fri 10/7

09:49-10:15

2 stops18h 26m

Cardiff Wales

Tue 21/7

11:35-09:08

2 stops27h 33m

£799
Fastest return journey

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Fri 18/9

17:05-09:15

1 stop11h 10m

Cardiff Wales

Wed 7/10

09:45-17:07

1 stop12h 22m

£808

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Tue 2/6

19:13-10:15

2 stops33h 02m

Cardiff Wales

Mon 8/6

11:35-09:14

2 stops27h 39m

£812

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cardiff from

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

What is the cheapest month to fly to Cardiff?

The month of August is, on average, the cheapest month to fly to Cardiff from United States, with most prices found around £418. If you are unable to visit Cardiff during the month of August, then departing from United States during the month January is also very affordable. Most momondo users find prices during this month for around £475.

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

You could potentially save up to 23% 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

Fastest flight time

9h 15m

Direct flights

None
The fastest flight from United States to Cardiff takes 9h 15m
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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Frequently asked questions about flying from the United States to Cardiff

  • 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.

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Why use momondo?

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

Finding the right flight to Cardiff from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cardiff quick and easy, saving you time and money.

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.

An easier way to manage your Cardiff trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport