HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cardiff

$299+ Cheap flights from the United States to Cardiff (CWL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
May 10 — May 171
Sun 5/10
Sun 5/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from USA to Cardiff with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from USA to Cardiff

Cheapest flights from USA to Cardiff
Explore the most affordable flight options available from USA to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.

This Mytrip deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:50 pm
BOS
-
CWL
2 stops34h 25m
Multiple Airlines
Mon 6/1510:10 pm
CWL
-
BOS
3 stops29h 29m
Multiple Airlines
Deal found 4/5$722
This Mytrip deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:55 pm
JFK
-
CWL
1 stop9h 00m
Multiple Airlines
Mon 5/1110:10 pm
CWL
-
JFK
1 stop20h 30m
Multiple Airlines
Deal found 4/6$751
This Mytrip deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:30 pm
JFK
-
CWL
2 stops21h 20m
Multiple Airlines
Thu 4/2310:50 pm
CWL
-
JFK
2 stops28h 58m
Multiple Airlines
Deal found 4/6$777
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:30 pm
EWR
-
CWL
1 stop15h 45m
Multiple Airlines
Wed 6/36:00 am
CWL
-
EWR
2 stops20h 00m
Multiple Airlines
Deal found 4/8$785
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:35 am
EWR
-
CWL
2 stops18h 40m
Multiple Airlines
Tue 6/211:35 am
CWL
-
EWR
1 stop15h 10m
Multiple Airlines
Deal found 4/8$800
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:25 am
EWR
-
CWL
1 stop22h 50m
Multiple Airlines
Tue 5/2611:35 am
CWL
-
EWR
1 stop15h 10m
Multiple Airlines
Deal found 4/8$811
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:30 pm
EWR
-
CWL
1 stop15h 45m
Multiple Airlines
Sat 6/611:35 am
CWL
-
EWR
1 stop25h 55m
Multiple Airlines
Deal found 4/8$812
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:25 am
EWR
-
CWL
1 stop22h 50m
Multiple Airlines
Thu 5/2811:35 am
CWL
-
EWR
1 stop15h 10m
Multiple Airlines
Deal found 4/7$814
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:30 pm
EWR
-
CWL
1 stop15h 45m
Multiple Airlines
Wed 6/37:00 am
CWL
-
EWR
2 stops19h 00m
Multiple Airlines
Deal found 4/8$817
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:35 am
EWR
-
CWL
2 stops18h 40m
Multiple Airlines
Thu 6/411:35 am
CWL
-
EWR
1 stop15h 10m
Multiple Airlines
Deal found 4/8$819
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:35 am
EWR
-
CWL
2 stops18h 40m
Multiple Airlines
Thu 6/411:35 am
CWL
-
EWR
1 stop15h 10m
Multiple Airlines
Deal found 4/8$820
This Mytrip deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:05 am
BOS
-
CWL
1 stop19h 10m
Multiple Airlines
Thu 6/1111:35 am
CWL
-
BOS
2 stops14h 20m
Multiple Airlines
Deal found 4/5$831

Find flight deals from USA to Cardiff

Keep the following information in mind while searching for USA to Cardiff flight deals. Data was last updated April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$722
(Mytrip)

One-way from

$299
(Trip.com)
Provider with most accurate pricing for New York (NYC)-Cardiff Wales flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Cardiff Wales flights.
Search Deals
From USA to Cardiff Wales
Search Deals
One-way flight from USA to Cardiff Wales
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA 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, Cheapflights users made 2,558,603 searches. Data last updated April 10, 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

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Thu 5/28

10:35 am-10:20 pm

3 stops30h 45m

Cardiff Wales

Wed 6/10

11:30 pm-7:05 pm

2 stops24h 35m

$849

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Thu 5/28

10:40 am-10:20 pm

2 stops30h 40m

Cardiff Wales

Wed 6/10

11:30 pm-10:48 pm

3 stops28h 18m

$863

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Wed 6/3

6:00 am-10:15 am

2 stops23h 15m

Cardiff Wales

Thu 6/11

10:50 pm-7:58 pm

2 stops26h 08m

$864

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Thu 5/21

10:35 am-10:20 pm

3 stops30h 45m

Cardiff Wales

Thu 5/28

11:35 am-9:47 pm

1 stop15h 12m

$877

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Sun 5/24

6:00 am-10:15 am

2 stops23h 15m

Cardiff Wales

Sun 5/31

9:45 pm-9:47 pm

3 stops29h 02m

$877

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sun 5/24

5:30 pm-10:15 am

2 stops35h 45m

Cardiff Wales

Sun 5/31

9:45 pm-10:48 pm

3 stops30h 03m

$908

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Mon 5/25

5:50 am-10:15 am

3 stops20h 25m

Cardiff Wales

Mon 6/1

10:10 pm-9:08 pm

3 stops30h 58m

$913

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Sat 6/6

6:40 pm-10:15 am

2 stops34h 35m

Cardiff Wales

Sat 6/20

11:35 am-10:40 am

2 stops28h 05m

$926

Los AngelesCardiff

LAX - CWL

LAXCWL

Los Angeles

Wed 9/23

8:30 am-9:15 am

2 stops16h 45m

Cardiff Wales

Tue 9/29

5:15 pm-11:50 am

1 stop26h 35m

$1,022

Los AngelesCardiff

LAX - CWL

LAXCWL

Los Angeles

Wed 9/23

7:00 am-9:15 am

2 stops18h 15m

Cardiff Wales

Tue 9/29

9:45 am-12:12 am

2 stops22h 27m

$1,033

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from USA to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from USA with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United States to Cardiff

What is the cheapest month to book a flight from USA to Cardiff?

Currently, April is the cheapest month in which you can book a flight from USA to Cardiff (average of $133). Flying from USA to Cardiff in June is currently the most expensive (average of $1,048). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

The best insider tips for theUnited States to Cardiff flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Cardiff trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Delta

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on KLM

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated April 10, 2026.
See what other customers who have flown with Delta and KLM from the United States to Cardiff have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,394 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,394 reviews
Delta
7.9
Good
8,394 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,493 reviews
Delta
7.9
Good
8,394 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from USA to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cardiff from United States?

    Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Cardiff from United States.

  • How long is the flight from USA to Cardiff?

    KLM, Delta, and Air Europa can get you from USA to Cardiff in just under 15h 11m. Your travel time can differ by up to 3h 04m. The distance between USA and Cardiff is about 4218 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from USA to Cardiff?

    The most popular route from USA to Cardiff is Kansas City - Cardiff Wales. You may also consider Washington, D.C. Dulles Intl - Cardiff Wales or New York John F Kennedy Intl - Cardiff Wales.

  • Can I find deals for flights from USA to Cardiff that include hotel bookings?

    Yes. In addition to deals on USA to Cardiff flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Cardiff?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Cardiff.

  • Can I find deals for business class flights from USA to Cardiff?

    Yes. Cheapflights offers flight deals from USA to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from USA to Cardiff?

    Currently, April is the cheapest month in which you can book a flight from USA to Cardiff (average of $133). Flying from USA to Cardiff in June is currently the most expensive (average of $1,048). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Cardiff?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from USA to Cardiff

Discover the top 2 airlines that operate flights from USA to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$644Average$981FlexibilityNo cancel feeOn-time75%
DeltaCheapest$808Average$999FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.