Cardiff

$295+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
Jan 11 — Jan 181
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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 December 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/9. 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.
Sat 12/139:20 pmBOS - CWL
1 stop18h 35mMultiple Airlines
Mon 12/1511:30 pmCWL - BOS
1 stop19h 20mMultiple Airlines
Deal found 12/9$765
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:55 pmSFO - CWL
1 stop19h 00mKLM
Tue 1/65:25 pmCWL - SFO
2 stops32h 24mKLM
Deal found 12/10$926
This KLM deal was found by Cheapflights users on 12/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:01 pmPHL - CWL
2 stops18h 49mKLM
Mon 12/1510:20 amCWL - PHL
2 stops17h 50mKLM
Deal found 12/9$1,130
This Air France deal was found by Cheapflights users on 12/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:10 pmBOS - CWL
1 stop9h 40mMultiple Airlines
Wed 12/3110:20 amCWL - BOS
2 stops17h 54mMultiple Airlines
Deal found 12/9$1,291
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:10 amDEN - CWL
2 stops19h 40mKLM
Tue 12/1610:20 amCWL - DEN
2 stops20h 25mKLM
Deal found 12/10$1,366
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:40 pmJFK - CWL
1 stop12h 10mKLM
Sat 12/135:25 pmCWL - JFK
1 stop27h 20mKLM
Deal found 12/10$1,406
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:46 amEWR - CWL
2 stops18h 04mKLM
Sat 12/135:25 pmCWL - EWR
2 stops32h 40mKLM
Deal found 12/10$1,420
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Sat 12/135:30 pmPHL - CWL
1 stop22h 25mMultiple Airlines
Mon 12/1511:30 pmCWL - PHL
1 stop21h 30mMultiple Airlines
Deal found 12/9$1,422
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:19 pmPHL - CWL
2 stops16h 26mDelta
Wed 1/710:20 amCWL - PHL
2 stops19h 01mDelta
Deal found 12/10$1,537
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Sun 12/143:50 pmORD - CWL
1 stop25h 15mMultiple Airlines
Tue 12/168:55 pmCWL - ORD
2 stops27h 00mMultiple Airlines
Deal found 12/11$1,637
This KLM deal was found by Cheapflights users on 12/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:10 pmBOS - CWL
1 stop16h 45mKLM
Wed 12/3110:20 amCWL - BOS
1 stop13h 35mKLM
Deal found 12/9$1,677
This Mytrip deal was found by Cheapflights users on 12/10. 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 12/128:00 pmJFK - CWL
2 stops16h 30mMultiple Airlines
Sat 12/138:05 pmCWL - JFK
2 stops31h 20mMultiple Airlines
Deal found 12/10$1,697

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$442
(Mytrip)

One-way from

$295
(Kiwi.com)

Popular in

January

Cheapest in

December

Average price

$753
Provider with most accurate pricing for New York (NYC)-Cardiff Wales flight deals.
Provider most trusted by Cheapflights users for New York (NYC)-Cardiff Wales flights.
From USA to Cardiff Wales
One-way flight from USA to Cardiff Wales
Highest demand for flights based on searches. 7% potential increase in price ($81 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($84 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 12, 2025.
Use the filters below to find and compare flights from the United States to Cardiff that are best for you.

Fly from

USA

Fly to

Cardiff

Route

Depart

Return

Price

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sun 1/25

5:30 pm-11:05 pm

2 stops24h 35m

Cardiff Wales

Sun 2/1

9:20 pm-4:09 pm

2 stops23h 49m

$442

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Fri 1/23

9:45 am-7:40 pm

2 stops28h 55m

Cardiff Wales

Wed 1/28

3:55 pm-1:50 pm

2 stops26h 55m

$454

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 1/23

7:40 pm-7:40 pm

2 stops19h 00m

Cardiff Wales

Fri 1/30

10:25 pm-6:30 pm

2 stops25h 05m

$526

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 1/23

3:55 pm-7:40 pm

2 stops21h 45m

Cardiff Wales

Fri 1/30

10:25 pm-3:10 pm

2 stops22h 45m

$634

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 3/9

10:20 pm-9:50 am

1 stop31h 30m

Cardiff Wales

Mon 3/23

5:15 pm-12:25 pm

1 stop23h 10m

$683

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 1/12

6:00 am-9:50 am

2 stops22h 50m

Cardiff Wales

Mon 1/26

10:20 am-11:40 am

1 stop30h 20m

$685

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 1/12

9:20 pm-9:50 am

1 stop31h 30m

Cardiff Wales

Mon 1/26

10:20 am-11:40 am

1 stop30h 20m

$685

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 1/25

9:15 pm-11:05 pm

1 stop20h 50m

Cardiff Wales

Sun 2/1

6:25 pm-8:55 pm

2 stops31h 30m

$694

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 1/25

8:50 pm-4:45 pm

1 stop14h 55m

Cardiff Wales

Sun 2/1

10:15 am-6:55 pm

1 stop13h 40m

$733

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sat 1/24

5:35 pm-9:50 am

2 stops35h 15m

Cardiff Wales

Sat 1/31

10:20 am-1:15 pm

1 stop31h 55m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 40 results
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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, January is the cheapest month in which you can book a flight from USA to Cardiff (average of $515). Flying from USA to Cardiff in June is currently the most expensive (average of $1,059). 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.

What is the cheapest time of day to fly from US to CWL?

Find hourly flight availability from USA to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from USA to Cardiff in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from USA to Cardiff?

Use this chart to determine the cheapest time to fly round-trip from USA to Cardiff. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their USA to Cardiff flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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
Airlines
KLM

KLM's Economy Comfort offers 4 inches extra legroom on long-haul flights, enhancing comfort.


KLM's long-haul premium economy provides extra width and legroom with an upgraded service.

Delta

Delta One offers 180-degree flat-bed seats with duvets and lumbar pillows on long-haul routes.


Delta Comfort Plus includes extra legroom and upgraded snacks on international flights.

Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on KLM

Gabriel Leigh

Gabriel Leigh

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
Harriet Baskas

Harriet Baskas

Expert on Delta

Harriet Baskas

Harriet Baskas

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

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 December 12, 2025.
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.

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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.

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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.

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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?

    Delta, KLM, and Virgin Atlantic can get you from USA to Cardiff in just under 10h 40m. Your travel time can differ by up to 4h 15m. The distance between USA and Cardiff is about 3548 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?

  • 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, January is the cheapest month in which you can book a flight from USA to Cardiff (average of $515). Flying from USA to Cardiff in June is currently the most expensive (average of $1,059). 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

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Alternative routes for USA to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$644Average$828FlexibilityNo cancel feeOn-time75%
DeltaCheapest$791Average$992FlexibilityNo cancel feeOn-timeN/A

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