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Cardiff

$338+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
1 adult, Economy
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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 May 9, 2026.

This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:35 am
BOS
-
CWL
2 stops18h 40m
Multiple Airlines
Wed 6/1711:30 pm
CWL
-
BOS
3 stops28h 08m
Multiple Airlines
Deal found 5/7$763
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Wed 8/1911:55 pm
JFK
-
CWL
1 stop17h 30m
Multiple Airlines
Sat 8/297:30 am
CWL
-
JFK
1 stop11h 10m
Multiple Airlines
Deal found 5/9$781
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Thu 8/2011:55 pm
JFK
-
CWL
1 stop17h 25m
Multiple Airlines
Sat 8/297:30 am
CWL
-
JFK
1 stop11h 10m
Multiple Airlines
Deal found 5/8$782
This Mytrip deal was found by Cheapflights users on 5/8. 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 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
Sat 6/137:30 am
CWL
-
BOS
2 stops20h 09m
Multiple Airlines
Deal found 5/8$793
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:55 pm
JFK
-
CWL
1 stop17h 55m
Multiple Airlines
Fri 8/285:45 pm
CWL
-
JFK
2 stops24h 55m
Multiple Airlines
Deal found 5/5$807
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:55 pm
JFK
-
CWL
1 stop17h 55m
Multiple Airlines
Mon 8/3110:25 pm
CWL
-
JFK
2 stops22h 30m
Multiple Airlines
Deal found 5/5$814
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:55 pm
JFK
-
CWL
1 stop17h 55m
Multiple Airlines
Thu 9/310:50 pm
CWL
-
JFK
2 stops22h 05m
Multiple Airlines
Deal found 5/5$822
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Mon 8/244:55 pm
JFK
-
CWL
1 stop24h 55m
Multiple Airlines
Tue 9/111:15 pm
CWL
-
JFK
2 stops21h 40m
Multiple Airlines
Deal found 5/9$834
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:55 pm
JFK
-
CWL
1 stop17h 55m
Multiple Airlines
Tue 9/111:15 pm
CWL
-
JFK
2 stops21h 40m
Multiple Airlines
Deal found 5/5$836
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:00 am
EWR
-
CWL
3 stops35h 20m
Multiple Airlines
Mon 6/2210:10 pm
CWL
-
EWR
3 stops29h 22m
Multiple Airlines
Deal found 5/7$839
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:55 pm
JFK
-
CWL
1 stop16h 50m
Multiple Airlines
Fri 8/285:45 pm
CWL
-
JFK
2 stops24h 55m
Multiple Airlines
Deal found 5/5$840
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:55 pm
JFK
-
CWL
1 stop16h 50m
Multiple Airlines
Mon 8/3110:25 pm
CWL
-
JFK
2 stops22h 30m
Multiple Airlines
Deal found 5/5$846

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 May 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$763
(Mytrip)

One-way from

$338
(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 May 9, 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

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 6/8

3:25 pm-10:15 am

2 stops13h 50m

Cardiff Wales

Thu 6/18

11:35 am-9:05 am

1 stop26h 30m

$897

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Sun 8/16

12:25 pm-10:15 am

2 stops16h 50m

Cardiff Wales

Thu 9/3

11:35 am-9:45 pm

1 stop15h 10m

$905

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 6/1

5:50 am-10:50 pm

3 stops36h 00m

Cardiff Wales

Wed 6/10

11:30 pm-8:55 pm

3 stops26h 25m

$912

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Tue 6/16

6:40 pm-10:15 am

2 stops34h 35m

Cardiff Wales

Tue 6/23

11:35 am-10:32 pm

1 stop15h 57m

$928

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Thu 6/18

6:00 am-10:20 pm

3 stops35h 20m

Cardiff Wales

Mon 6/22

11:35 am-10:32 pm

1 stop15h 57m

$956

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Sat 9/5

8:25 pm-9:20 pm

2 stops19h 55m

Cardiff Wales

Sun 9/13

9:45 pm-7:00 pm

2 stops26h 15m

$988

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 9/24

8:50 pm-10:20 pm

3 stops20h 30m

Cardiff Wales

Sat 9/26

7:30 am-8:20 pm

3 stops17h 50m

$1,009

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Fri 6/5

6:55 pm-10:15 am

1 stop10h 20m

Cardiff Wales

Thu 6/11

11:35 am-6:13 pm

1 stop11h 38m

$1,017

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 9/6

4:40 pm-4:45 pm

1 stop19h 05m

Cardiff Wales

Mon 9/14

9:45 am-1:19 pm

1 stop32h 34m

$1,044

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 9/16

4:40 pm-4:45 pm

1 stop19h 05m

Cardiff Wales

Mon 9/21

9:45 am-1:19 pm

1 stop32h 34m

$1,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 55 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from USA to Cardiff (average of $566). Flying from USA to Cardiff in June is currently the most expensive (average of $1,419). 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 May 9, 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
8,457 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,457 reviews
Delta
7.9
Good
8,457 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
KLM
7.8
Good
1,510 reviews
Delta
7.9
Good
8,457 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 Virgin Atlantic can get you from USA to Cardiff in just under 18h. Your travel time can differ by up to 1h 05m. The distance between USA and Cardiff is about 4709 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 New York John F Kennedy Intl - Cardiff Wales. You may also consider Washington, D.C. Dulles Intl - Cardiff Wales or Seattle/Tacoma 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, August is the cheapest month in which you can book a flight from USA to Cardiff (average of $566). Flying from USA to Cardiff in June is currently the most expensive (average of $1,419). 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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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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$644Average$827FlexibilityNo cancel feeOn-time75%
DeltaCheapest$808Average$1,246FlexibilityNo cancel feeOn-timeN/A

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