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Cheap flights from the United States to Cardiff from £219

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 17/9. 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
21:05 - 22:50
JFK
-
CWL
20h 45m
1 stop
Multiple Airlines Logo
22:10 - 22:30
CWL
-
JFK
29h 20m
2 stops
£559Multiple Airlines
Mon, 4 May - Mon, 11 May
Multiple Airlines Logo
23:30 - 22:50
BOS
-
CWL
18h 20m
1 stop
Multiple Airlines Logo
22:10 - 21:05
CWL
-
BOS
51h 55m
2 stops
£576Multiple Airlines
Mon, 4 May - Mon, 11 May
Multiple Airlines Logo
21:05 - 21:45
JFK
-
CWL
19h 40m
1 stop
Multiple Airlines Logo
22:45 - 15:55
CWL
-
JFK
22h 10m
2 stops
£585Multiple Airlines
Sun, 3 May - Fri, 8 May
Multiple Airlines Logo
16:55 - 23:05
JFK
-
CWL
25h 10m
1 stop
Multiple Airlines Logo
11:00 - 22:25
CWL
-
JFK
16h 25m
2 stops
£598Multiple Airlines
Tue, 5 May - Tue, 12 May
KLM Logo
16:45 - 09:15
LAX
-
CWL
32h 30m
1 stop
KLM Logo
17:15 - 14:45
CWL
-
LAX
29h 30m
1 stop
£768KLM
Mon, 27 Apr - Wed, 6 May
KLM Logo
11:00 - 09:15
MIA
-
CWL
17h 15m
2 stops
KLM Logo
09:45 - 00:43
CWL
-
MIA
19h 58m
2 stops
£770KLM
Tue, 5 May - Tue, 12 May
Delta Logo
07:00 - 16:45
EWR
-
CWL
28h 45m
2 stops
Delta Logo
09:45 - 07:35
CWL
-
EWR
26h 50m
2 stops
£788Delta
Tue, 8 Sep - Fri, 18 Sep
Virgin Atlantic Logo
15:32 - 09:15
MIA
-
CWL
36h 43m
2 stops
Virgin Atlantic Logo
09:45 - 18:54
CWL
-
MIA
38h 09m
2 stops
£791Virgin Atlantic
Mon, 4 May - Mon, 11 May
Delta Logo
15:25 - 16:45
EWR
-
CWL
44h 20m
2 stops
Delta Logo
09:45 - 01:04
CWL
-
EWR
20h 19m
2 stops
£793Delta
Mon, 7 Sep - Fri, 18 Sep
Virgin Atlantic Logo
17:33 - 09:15
BWI
-
CWL
34h 42m
2 stops
Virgin Atlantic Logo
09:45 - 23:17
CWL
-
BWI
42h 32m
2 stops
£836Virgin Atlantic
Mon, 4 May - Mon, 11 May

KLM flights from United States to Cardiff

Our best KLM deals on United States to Cardiff flight tickets
KLM
27 Apr
LAX16:45Los Angeles Los Angeles
32h 30m
1 stop
CWL09:15Cardiff Wales
6 May
CWL17:15Cardiff Wales
29h 30m
1 stop
LAX14:45Los Angeles Los Angeles
£768
KLM
5 May
MIA11:00Miami
17h 15m
2 stops
CWL09:15Cardiff Wales
12 May
CWL09:45Cardiff Wales
19h 58m
2 stops
MIA00:43Miami
£770
KLM
6 Sept
BOS19:00Boston Logan Intl
9h 15m
1 stop
CWL09:15Cardiff Wales
14 Sept
CWL09:45Cardiff Wales
32h 34m
1 stop
BOS13:19Boston Logan Intl
£774

Delta flights from United States to Cardiff

Our best Delta deals on United States to Cardiff flight tickets
Delta
6 Sept
JFK16:40New York John F Kennedy Intl
19h 05m
1 stop
CWL16:45Cardiff Wales
18 Sept
CWL09:45Cardiff Wales
14h 20m
1 stop
JFK19:05New York John F Kennedy Intl
£777
Delta
6 Sept
JFK06:00New York John F Kennedy Intl
29h 45m
2 stops
CWL16:45Cardiff Wales
16 Sept
CWL09:45Cardiff Wales
31h 47m
1 stop
JFK12:32New York John F Kennedy Intl
£780
Delta
6 Sept
JFK09:59New York John F Kennedy Intl
18h 16m
2 stops
CWL09:15Cardiff Wales
18 Sept
CWL09:45Cardiff Wales
12h 20m
1 stop
JFK17:05New York John F Kennedy Intl
£781

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 22 March 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

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 4/5

21:05-22:50

1 stop20h 45m

Cardiff Wales

Mon 11/5

22:10-22:30

2 stops29h 20m

£559

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 4/5

23:30-22:50

1 stop18h 20m

Cardiff Wales

Mon 11/5

22:10-21:05

2 stops51h 55m

£576

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sun 3/5

21:05-21:45

1 stop19h 40m

Cardiff Wales

Fri 8/5

22:45-15:55

2 stops22h 10m

£585

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 5/5

16:55-23:05

1 stop25h 10m

Cardiff Wales

Tue 12/5

11:00-22:25

2 stops16h 25m

£598

Los AngelesCardiff

LAX - CWL

LAXCWL

Los Angeles Los Angeles

Mon 27/4

16:45-09:15

1 stop32h 30m

Cardiff Wales

Wed 6/5

17:15-14:45

1 stop29h 30m

£768
Fastest return journey

MiamiCardiff

MIA - CWL

MIACWL

Miami

Tue 5/5

11:00-09:15

2 stops17h 15m

Cardiff Wales

Tue 12/5

09:45-00:43

2 stops19h 58m

£770

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Tue 8/9

07:00-16:45

2 stops28h 45m

Cardiff Wales

Fri 18/9

09:45-07:35

2 stops26h 50m

£788

MiamiCardiff

MIA - CWL

MIACWL

Miami

Mon 4/5

15:32-09:15

2 stops36h 43m

Cardiff Wales

Mon 11/5

09:45-18:54

2 stops38h 09m

£791

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Mon 7/9

15:25-16:45

2 stops44h 20m

Cardiff Wales

Fri 18/9

09:45-01:04

2 stops20h 19m

£793

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 4/5

17:33-09:15

2 stops34h 42m

Cardiff Wales

Mon 11/5

09:45-23:17

2 stops42h 32m

£836

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

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

8h 30m

Direct flights

None
The fastest flight from United States to Cardiff takes 8h 30m
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.

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