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Cheap flights from the United States to Cardiff from $231

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 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United States to Cardiff

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

Logo
5:35 pm - 12:00 pmEWR-CWL
13h 25m1 stop
Logo
11:00 am - 4:05 pmCWL-EWR
10h 05m1 stop
$478
Find Deal
jue., sep. 4 - dom., sep. 7
Logo
4:55 pm - 10:35 amJFK-CWL
12h 40m1 stop
Logo
9:00 am - 7:20 pmCWL-JFK
15h 20m1 stop
$495
Find Deal
sáb., sep. 13 - sáb., sep. 20
KLM Logo
1:25 pm - 9:15 amBOS-CWL
14h 50m2 stops
KLM Logo
5:35 pm - 6:25 pmCWL-BOS
29h 50m1 stop
$676KLM
Find Deal
sáb., sep. 13 - sáb., sep. 20
Delta Logo
11:55 am - 9:15 amBOS-CWL
16h 20m2 stops
Delta Logo
9:45 am - 10:30 pmCWL-BOS
17h 45m2 stops
$695Delta
Find Deal
sáb., sep. 13 - sáb., sep. 20
KLM Logo
7:05 pm - 9:50 amBOS-CWL
9h 45m1 stop
KLM Logo
10:20 am - 1:20 pmCWL-BOS
32h 00m1 stop
$704KLM
Find Deal
jue., nov. 27 - lun., dic. 1
Virgin Atlantic Logo
1:30 pm - 9:10 amJFK-CWL
14h 40m2 stops
Virgin Atlantic Logo
5:15 pm - 10:50 pmCWL-JFK
10h 35m1 stop
$709Virgin Atlantic
Find Deal
vie., sep. 12 - vie., sep. 19
Delta Logo
1:59 pm - 9:15 amLGA-CWL
14h 16m2 stops
Delta Logo
9:50 am - 9:23 pmCWL-LGA
16h 33m2 stops
$745Delta
Find Deal
mié., sep. 3 - dom., sep. 7
Virgin Atlantic Logo
12:50 am - 5:05 pmJFK-CWL
11h 15m1 stop
Virgin Atlantic Logo
5:35 pm - 3:25 pmCWL-JFK
26h 50m1 stop
$749Virgin Atlantic
Find Deal
vie., sep. 12 - sáb., sep. 20
Air France Logo
12:50 am - 4:45 pmJFK-CWL
10h 55m1 stop
Air France Logo
9:50 am - 10:50 pmCWL-JFK
18h 00m1 stop
$780Air France
Find Deal
mié., sep. 3 - dom., sep. 7
Air France Logo
12:50 am - 4:45 pmJFK-CWL
10h 55m1 stop
Air France Logo
5:15 pm - 7:05 pmCWL-JFK
30h 50m1 stop
$853Air France
Find Deal
dom., sep. 21 - mar., oct. 7

Virgin Atlantic flights from United States to Cardiff

Our best Virgin Atlantic deals on United States to Cardiff flight tickets
Virgin Atlantic
Sep 12
JFK1:30 pmNew York John F Kennedy Intl
14h 40m
2 stops
CWL9:10 amCardiff Wales
Sep 19
CWL5:15 pmCardiff Wales
10h 35m
1 stop
JFK10:50 pmNew York John F Kennedy Intl
$709
Find similar
Virgin Atlantic
Sep 12
JFK12:50 amNew York John F Kennedy Intl
11h 15m
1 stop
CWL5:05 pmCardiff Wales
Sep 20
CWL5:35 pmCardiff Wales
26h 50m
1 stop
JFK3:25 pmNew York John F Kennedy Intl
$749
Find similar
Virgin Atlantic
Sep 22
JFK9:10 pmNew York John F Kennedy Intl
31h 05m
1 stop
CWL9:15 amCardiff Wales
Oct 7
CWL9:50 amCardiff Wales
10h 35m
1 stop
JFK3:25 pmNew York John F Kennedy Intl
$792
Find similar

Delta flights from United States to Cardiff

Our best Delta deals on United States to Cardiff flight tickets
Delta
Sep 13
BOS11:55 amBoston Logan Intl
16h 20m
2 stops
CWL9:15 amCardiff Wales
Sep 20
CWL9:45 amCardiff Wales
17h 45m
2 stops
BOS10:30 pmBoston Logan Intl
$695
Find similar
Delta
Sep 3
LGA1:59 pmNew York LaGuardia
14h 16m
2 stops
CWL9:15 amCardiff Wales
Sep 7
CWL9:50 amCardiff Wales
16h 33m
2 stops
LGA9:23 pmNew York LaGuardia
$745
Find similar
Delta
Sep 12
LGA4:00 pmNew York LaGuardia
12h 10m
2 stops
CWL9:10 amCardiff Wales
Sep 19
CWL9:50 amCardiff Wales
15h 43m
2 stops
LGA8:33 pmNew York LaGuardia
$746
Find similar

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 julio 31, 2025.
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

NewarkCardiff

EWR - CWL

EWRCWL

Newark

jue. 9/4

5:35 pm-12:00 pm

1 stop13h 25m

Cardiff Wales

dom. 9/7

11:00 am-4:05 pm

1 stop10h 05m

$478

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

sáb. 9/13

4:55 pm-10:35 am

1 stop12h 40m

Cardiff Wales

sáb. 9/20

9:00 am-7:20 pm

1 stop15h 20m

$495

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

sáb. 9/13

1:25 pm-9:15 am

2 stops14h 50m

Cardiff Wales

sáb. 9/20

5:35 pm-6:25 pm

1 stop29h 50m

$676

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

sáb. 9/13

11:55 am-9:15 am

2 stops16h 20m

Cardiff Wales

sáb. 9/20

9:45 am-10:30 pm

2 stops17h 45m

$695

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

jue. 11/27

7:05 pm-9:50 am

1 stop9h 45m

Cardiff Wales

lun. 12/1

10:20 am-1:20 pm

1 stop32h 00m

$704

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

vie. 9/12

1:30 pm-9:10 am

2 stops14h 40m

Cardiff Wales

vie. 9/19

5:15 pm-10:50 pm

1 stop10h 35m

$709

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

mié. 9/3

1:59 pm-9:15 am

2 stops14h 16m

Cardiff Wales

dom. 9/7

9:50 am-9:23 pm

2 stops16h 33m

$745

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

vie. 9/12

12:50 am-5:05 pm

1 stop11h 15m

Cardiff Wales

sáb. 9/20

5:35 pm-3:25 pm

1 stop26h 50m

$749

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

mié. 9/3

12:50 am-4:45 pm

1 stop10h 55m

Cardiff Wales

dom. 9/7

9:50 am-10:50 pm

1 stop18h 00m

$780

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

dom. 9/21

12:50 am-4:45 pm

1 stop10h 55m

Cardiff Wales

mar. 10/7

5:15 pm-7:05 pm

1 stop30h 50m

$853

Flights are sorted by cheapest round-trip 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 day to depart on your flight to Cardiff?

The cheapest day to depart on your flight to Cardiff is on a Thursday when prices can be found for as low as $905. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,575. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cardiff.

What is the cheapest time of day to depart on your flight to Cardiff?

Flying to Cardiff from United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $882 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,048 on average. Flights to Cardiff from United States in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 27% 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

Best Price Found

$231

Fastest flight time

8h 50m

Direct flights

None

Airports in Cardiff

1 airport
The best one-way flight to Cardiff from United States in the past 72 hours is $231. The best round-trip flight deal from United States to Cardiff found on momondo in the last 72 hours is $478.
The fastest flight from United States to Cardiff takes 8h 50m
There are no direct flights from United States to Cardiff. Popular non-direct routes for this connection are Newark Airport - Cardiff Wales Airport, Boston Logan Intl Airport - Cardiff Wales Airport and New York John F Kennedy Intl Airport - Cardiff Wales Airport.
There is 1 airport near Cardiff: Cardiff Wales (CWL)
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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 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 $766Free CancellationRating
7.8
1,383 reviews
Search KLM flights
DeltaPriceFrom $791Free CancellationRating
8.0
7,981 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.

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