Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United States to Cardiff from $267

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 4/20. 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
11:05 am - 7:40 pm
EWR
-
CWL
27h 35m2 stops
Multiple Airlines Logo
10:25 pm - 4:00 pm
CWL
-
EWR
22h 35m2 stops
$487Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
4:50 pm - 7:40 pm
JFK
-
CWL
21h 50m2 stops
Multiple Airlines Logo
10:25 pm - 1:50 pm
CWL
-
JFK
20h 25m2 stops
$487Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
10:05 am - 7:40 pm
JFK
-
CWL
28h 35m3 stops
Multiple Airlines Logo
10:25 pm - 1:50 pm
CWL
-
JFK
20h 25m2 stops
$491Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Virgin Atlantic Logo
5:45 pm - 4:55 pm
JFK
-
CWL
18h 10m1 stop
Virgin Atlantic Logo
10:20 am - 7:20 pm
CWL
-
JFK
14h 00m1 stop
$656Virgin Atlantic
Wed, Jan 14 - Wed, Jan 21
Virgin Atlantic Logo
8:50 pm - 4:55 pm
BOS
-
CWL
15h 05m1 stop
Virgin Atlantic Logo
5:25 pm - 1:25 pm
CWL
-
BOS
25h 00m1 stop
$684Virgin Atlantic
Wed, Feb 18 - Tue, Feb 24
KLM Logo
12:50 pm - 9:50 am
BOS
-
CWL
16h 00m2 stops
KLM Logo
5:25 pm - 1:25 pm
CWL
-
BOS
25h 00m1 stop
$688KLM
Wed, Feb 18 - Tue, Feb 24
Delta Logo
11:20 am - 9:50 am
JFK
-
CWL
17h 30m2 stops
Delta Logo
10:20 am - 3:45 pm
CWL
-
JFK
10h 25m1 stop
$688Delta
Wed, Jan 14 - Wed, Jan 21
Delta Logo
11:15 am - 9:50 am
BOS
-
CWL
17h 35m2 stops
Delta Logo
10:20 am - 10:51 pm
CWL
-
BOS
17h 31m2 stops
$698Delta
Wed, Feb 18 - Tue, Feb 24
KLM Logo
5:36 pm - 9:50 am
EWR
-
CWL
59h 14m2 stops
KLM Logo
10:20 am - 11:55 pm
CWL
-
EWR
42h 35m2 stops
$741KLM
Sat, Jan 31 - Sat, Feb 7
Aer Lingus Logo
10:25 pm - 11:30 am
IAD
-
CWL
32h 05m2 stops
Aer Lingus Logo
12:00 pm - 8:20 pm
CWL
-
IAD
37h 20m2 stops
$1,260Aer Lingus
Tue, May 12 - Tue, May 19

Virgin Atlantic flights from United States to Cardiff

Our best Virgin Atlantic deals on United States to Cardiff flight tickets
Virgin Atlantic
Jan 14
JFK5:45 pmNew York John F Kennedy Intl
18h 10m
1 stop
CWL4:55 pmCardiff Wales
Jan 21
CWL10:20 amCardiff Wales
14h 00m
1 stop
JFK7:20 pmNew York John F Kennedy Intl
$656
Find similar
Virgin Atlantic
Jan 30
JFK6:50 pmNew York John F Kennedy Intl
10h 00m
1 stop
CWL9:50 amCardiff Wales
Feb 6
CWL10:20 amCardiff Wales
14h 00m
1 stop
JFK7:20 pmNew York John F Kennedy Intl
$704
Find similar
Virgin Atlantic
Feb 1
JFK5:45 pmNew York John F Kennedy Intl
18h 00m
1 stop
CWL4:45 pmCardiff Wales
Feb 8
CWL10:15 amCardiff Wales
14h 05m
1 stop
JFK7:20 pmNew York John F Kennedy Intl
$705
Find similar

Delta flights from United States to Cardiff

Our best Delta deals on United States to Cardiff flight tickets
Delta
Jan 14
JFK11:20 amNew York John F Kennedy Intl
17h 30m
2 stops
CWL9:50 amCardiff Wales
Jan 21
CWL10:20 amCardiff Wales
10h 25m
1 stop
JFK3:45 pmNew York John F Kennedy Intl
$688
Find similar
Delta
Jan 14
LGA1:00 pmNew York LaGuardia
15h 50m
2 stops
CWL9:50 amCardiff Wales
Jan 21
CWL10:20 amCardiff Wales
18h 22m
2 stops
LGA11:42 pmNew York LaGuardia
$698
Find similar
Delta
Feb 1
BOS7:10 pmBoston Logan Intl
9h 40m
1 stop
CWL9:50 amCardiff Wales
Feb 8
CWL10:15 amCardiff Wales
13h 40m
1 stop
BOS6:55 pmBoston Logan Intl
$734
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 December 18, 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

Fri 1/30

11:05 am-7:40 pm

2 stops27h 35m

Cardiff Wales

Fri 2/6

10:25 pm-4:00 pm

2 stops22h 35m

$487

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Fri 1/30

4:50 pm-7:40 pm

2 stops21h 50m

Cardiff Wales

Fri 2/6

10:25 pm-1:50 pm

2 stops20h 25m

$487

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Fri 1/30

10:05 am-7:40 pm

3 stops28h 35m

Cardiff Wales

Fri 2/6

10:25 pm-1:50 pm

2 stops20h 25m

$491

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 1/14

5:45 pm-4:55 pm

1 stop18h 10m

Cardiff Wales

Wed 1/21

10:20 am-7:20 pm

1 stop14h 00m

$656

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 2/18

8:50 pm-4:55 pm

1 stop15h 05m

Cardiff Wales

Tue 2/24

5:25 pm-1:25 pm

1 stop25h 00m

$684

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 2/18

12:50 pm-9:50 am

2 stops16h 00m

Cardiff Wales

Tue 2/24

5:25 pm-1:25 pm

1 stop25h 00m

$688

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 1/14

11:20 am-9:50 am

2 stops17h 30m

Cardiff Wales

Wed 1/21

10:20 am-3:45 pm

1 stop10h 25m

$688

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 2/18

11:15 am-9:50 am

2 stops17h 35m

Cardiff Wales

Tue 2/24

10:20 am-10:51 pm

2 stops17h 31m

$698

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Sat 1/31

5:36 pm-9:50 am

2 stops59h 14m

Cardiff Wales

Sat 2/7

10:20 am-11:55 pm

2 stops42h 35m

$741

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 5/12

10:25 pm-11:30 am

2 stops32h 05m

Cardiff Wales

Tue 5/19

12:00 pm-8:20 pm

2 stops37h 20m

$1,260

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

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 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

9h 35m

Direct flights

None
The fastest flight from United States to Cardiff takes 9h 35m
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
7.7
1,428 reviews
Search KLM flights
DeltaPriceFrom $791Free CancellationRating
7.9
8,009 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
Sat 1/17
Sat 1/24
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