Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United States to Cardiff from $292

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 9/17. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United States to Cardiff

Recent round-trip flight deals from the United States to Cardiff

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:05 pm - 10:50 pm
JFK
-
CWL
20h 45m
1 stop
Multiple Airlines Logo
10:10 pm - 10:30 pm
CWL
-
JFK
29h 20m
2 stops
$746Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
11:30 pm - 10:50 pm
BOS
-
CWL
18h 20m
1 stop
Multiple Airlines Logo
10:10 pm - 9:05 pm
CWL
-
BOS
51h 55m
2 stops
$768Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
9:05 pm - 9:45 pm
JFK
-
CWL
19h 40m
1 stop
Multiple Airlines Logo
10:45 pm - 3:55 pm
CWL
-
JFK
22h 10m
2 stops
$781Multiple Airlines
Sun, May 3 - Fri, May 8
KLM Logo
1:50 pm - 9:15 am
LAX
-
CWL
35h 25m
1 stop
KLM Logo
5:15 pm - 2:45 pm
CWL
-
LAX
29h 30m
1 stop
$1,025KLM
Mon, Apr 27 - Wed, May 6
KLM Logo
4:20 pm - 9:15 am
ORD
-
CWL
10h 55m
1 stop
KLM Logo
5:15 pm - 2:30 pm
CWL
-
ORD
27h 15m
1 stop
$1,025KLM
Tue, Apr 21 - Tue, Apr 28
Delta Logo
7:00 am - 4:45 pm
EWR
-
CWL
28h 45m
2 stops
Delta Logo
9:45 am - 7:35 am
CWL
-
EWR
26h 50m
2 stops
$1,052Delta
Tue, Sep 8 - Fri, Sep 18
Virgin Atlantic Logo
3:32 pm - 9:15 am
MIA
-
CWL
36h 43m
2 stops
Virgin Atlantic Logo
9:45 am - 6:54 pm
CWL
-
MIA
38h 09m
2 stops
$1,056Virgin Atlantic
Mon, May 4 - Mon, May 11
Delta Logo
3:25 pm - 4:45 pm
EWR
-
CWL
44h 20m
2 stops
Delta Logo
9:45 am - 1:04 am
CWL
-
EWR
20h 19m
2 stops
$1,058Delta
Mon, Sep 7 - Fri, Sep 18
Virgin Atlantic Logo
5:33 pm - 9:15 am
BWI
-
CWL
34h 42m
2 stops
Virgin Atlantic Logo
9:45 am - 11:17 pm
CWL
-
BWI
42h 32m
2 stops
$1,115Virgin Atlantic
Mon, May 4 - Mon, May 11
WestJet Logo
7:35 pm - 10:15 am
SEA
-
CWL
30h 40m
2 stops
WestJet Logo
11:35 am - 7:31 am
CWL
-
SEA
27h 56m
2 stops
$1,200WestJet
Sat, May 30 - Tue, Jun 30

KLM flights from United States to Cardiff

Our best KLM deals on United States to Cardiff flight tickets
KLM
Apr 21
ORD4:20 pmChicago O'Hare Intl
10h 55m
1 stop
CWL9:15 amCardiff Wales
Apr 28
CWL5:15 pmCardiff Wales
27h 15m
1 stop
ORD2:30 pmChicago O'Hare Intl
$1,025
KLM
May 5
MIA11:00 amMiami
17h 15m
2 stops
CWL9:15 amCardiff Wales
May 12
CWL9:45 amCardiff Wales
19h 58m
2 stops
MIA12:43 amMiami
$1,028
KLM
Apr 21
ORD7:09 pmChicago O'Hare Intl
15h 36m
2 stops
CWL4:45 pmCardiff Wales
Apr 28
CWL5:15 pmCardiff Wales
27h 15m
1 stop
ORD2:30 pmChicago O'Hare Intl
$1,030

Delta flights from United States to Cardiff

Our best Delta deals on United States to Cardiff flight tickets
Delta
Sep 6
JFK4:40 pmNew York John F Kennedy Intl
19h 05m
1 stop
CWL4:45 pmCardiff Wales
Sep 18
CWL9:45 amCardiff Wales
14h 20m
1 stop
JFK7:05 pmNew York John F Kennedy Intl
$1,037
Delta
Sep 6
JFK6:00 amNew York John F Kennedy Intl
29h 45m
2 stops
CWL4:45 pmCardiff Wales
Sep 16
CWL9:45 amCardiff Wales
31h 47m
1 stop
JFK12:32 pmNew York John F Kennedy Intl
$1,041
Delta
Sep 6
JFK9:59 amNew York John F Kennedy Intl
18h 16m
2 stops
CWL9:15 amCardiff Wales
Sep 18
CWL9:45 amCardiff Wales
12h 20m
1 stop
JFK5:05 pmNew York John F Kennedy Intl
$1,042

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 22, 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 round-trip

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 5/4

9:05 pm-10:50 pm

1 stop20h 45m

Cardiff Wales

Mon 5/11

10:10 pm-10:30 pm

2 stops29h 20m

$746

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 5/4

11:30 pm-10:50 pm

1 stop18h 20m

Cardiff Wales

Mon 5/11

10:10 pm-9:05 pm

2 stops51h 55m

$768

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sun 5/3

9:05 pm-9:45 pm

1 stop19h 40m

Cardiff Wales

Fri 5/8

10:45 pm-3:55 pm

2 stops22h 10m

$781

Los AngelesCardiff

LAX - CWL

LAXCWL

Los Angeles Los Angeles

Mon 4/27

1:50 pm-9:15 am

1 stop35h 25m

Cardiff Wales

Wed 5/6

5:15 pm-2:45 pm

1 stop29h 30m

$1,025
Quickest round-trip

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 4/21

4:20 pm-9:15 am

1 stop10h 55m

Cardiff Wales

Tue 4/28

5:15 pm-2:30 pm

1 stop27h 15m

$1,025

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Tue 9/8

7:00 am-4:45 pm

2 stops28h 45m

Cardiff Wales

Fri 9/18

9:45 am-7:35 am

2 stops26h 50m

$1,052

MiamiCardiff

MIA - CWL

MIACWL

Miami

Mon 5/4

3:32 pm-9:15 am

2 stops36h 43m

Cardiff Wales

Mon 5/11

9:45 am-6:54 pm

2 stops38h 09m

$1,056

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Mon 9/7

3:25 pm-4:45 pm

2 stops44h 20m

Cardiff Wales

Fri 9/18

9:45 am-1:04 am

2 stops20h 19m

$1,058

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 5/4

5:33 pm-9:15 am

2 stops34h 42m

Cardiff Wales

Mon 5/11

9:45 am-11:17 pm

2 stops42h 32m

$1,115

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sat 5/30

7:35 pm-10:15 am

2 stops30h 40m

Cardiff Wales

Tue 6/30

11:35 am-7:31 am

2 stops27h 56m

$1,200

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 13% 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.
Search flight deals

  • 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 are updated daily.

  • How many operators does momondo search for flights from United States to Cardiff Wales Airport?

  • How old do you have to be to fly from United States 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 from United States to Cardiff Wales Airport.

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

    The travel and health documents required for your trip to Cardiff Wales Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cardiff Wales Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from United States to Cardiff

Compare and see reviews for airlines that fly from United States to Cardiff with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $644Free CancellationRating
7.8
1,477 reviews
Search KLM flights
DeltaPriceFrom $808Free CancellationRating
7.9
8,314 reviews
Search Delta flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Cardiff for you.

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

momondo does allow users to show only those flights to Cardiff from United States which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United States to Cardiff?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cardiff from United States.

I’m not ready to book a flight from United States to Cardiff right now. Can momondo alert me if prices change?

If you are not ready to book a flight from United States to Cardiff now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cardiff and let you know when they change.

An easier way to manage your Cardiff trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 4/21
Tue 4/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly your favorite airline to Cardiff

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Aer Lingus
KLM
Delta