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Cheap flights from the United States to Cardiff from £217

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from USA to Cardiff

Enter your travel dates to find the best prices.

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 28 January 2026.

Tue 21/421:45
EWR
-
CWL
2 stops20h 40m
Multiple Airlines
Sun 26/421:45
CWL
-
EWR
2 stops25h 23m
Multiple Airlines
Deal found 27/1£340
Tue 21/421:50
JFK
-
CWL
2 stops20h 35m
Multiple Airlines
Sun 26/421:45
CWL
-
JFK
2 stops30h 00m
Multiple Airlines
Deal found 27/1£360
Tue 24/221:15
BOS
-
CWL
1 stop13h 15m
Multiple Airlines
Mon 2/323:30
CWL
-
BOS
2 stops26h 25m
Multiple Airlines
Deal found 26/1£472
Tue 10/317:40
JFK
-
CWL
1 stop12h 10m
KLM
Tue 17/310:20
CWL
-
JFK
1 stop31h 55m
KLM
Deal found 26/1£493
Tue 24/219:10
BOS
-
CWL
1 stop9h 40m
KLM
Mon 2/317:15
CWL
-
BOS
1 stop25h 05m
KLM
Deal found 26/1£500
Tue 10/312:59
JFK
-
CWL
2 stops16h 51m
Delta
Tue 17/310:20
CWL
-
JFK
1 stop14h 00m
Delta
Deal found 26/1£504
Wed 11/309:05
BOS
-
CWL
2 stops20h 45m
KLM
Wed 18/310:20
CWL
-
BOS
1 stop13h 35m
KLM
Deal found 25/1£508
Tue 10/312:00
LGA
-
CWL
2 stops17h 50m
Delta
Tue 17/310:20
CWL
-
LGA
2 stops17h 17m
Delta
Deal found 26/1£511
Tue 10/312:59
EWR
-
CWL
2 stops16h 51m
Delta
Tue 17/310:20
CWL
-
EWR
2 stops16h 42m
Delta
Deal found 26/1£511
Thu 12/314:30
IAD
-
CWL
2 stops27h 30m
Multiple Airlines
Thu 19/310:30
CWL
-
IAD
2 stops30h 15m
Multiple Airlines
Deal found 25/1£518
Wed 11/321:50
BOS
-
CWL
1 stop15h 05m
Multiple Airlines
Wed 18/310:20
CWL
-
BOS
1 stop13h 35m
Multiple Airlines
Deal found 25/1£531
Tue 24/322:10
JFK
-
CWL
1 stop13h 20m
Multiple Airlines
Tue 31/321:45
CWL
-
JFK
2 stops40h 05m
Multiple Airlines
Deal found 25/1£541

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 28 January 2026.

Round-trip from

£472

One-way from

£217
24/2-2/3
  • 24/2-2/3
  • 3 total stops
  • 39h 40m total
  • USA to Cardiff
Search Deals
14/4
  • 14/4
  • 3 total stops
  • 34h 25m total
  • USA to Cardiff
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 28 January 2026.
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

Tue 21/4

21:50-23:25

2 stops20h 35m

Cardiff Wales

Sun 26/4

21:45-22:45

2 stops30h 00m

£360

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 10/3

17:40-09:50

1 stop12h 10m

Cardiff Wales

Tue 17/3

10:20-14:15

1 stop31h 55m

£493

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 24/2

19:10-09:50

1 stop9h 40m

Cardiff Wales

Mon 2/3

17:15-13:20

1 stop25h 05m

£500

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 10/3

12:59-09:50

2 stops16h 51m

Cardiff Wales

Tue 17/3

10:20-20:20

1 stop14h 00m

£504

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 11/3

09:05-09:50

2 stops20h 45m

Cardiff Wales

Wed 18/3

10:20-19:55

1 stop13h 35m

£508

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Tue 10/3

12:00-09:50

2 stops17h 50m

Cardiff Wales

Tue 17/3

10:20-23:37

2 stops17h 17m

£511

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Tue 10/3

12:59-09:50

2 stops16h 51m

Cardiff Wales

Tue 17/3

10:20-23:02

2 stops16h 42m

£511

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 12/3

14:30-22:00

2 stops27h 30m

Cardiff Wales

Thu 19/3

10:30-12:45

2 stops30h 15m

£518

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 11/3

21:50-16:55

1 stop15h 05m

Cardiff Wales

Wed 18/3

10:20-19:55

1 stop13h 35m

£531

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 24/3

22:10-15:30

1 stop13h 20m

Cardiff Wales

Tue 31/3

21:45-08:50

2 stops40h 05m

£541

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 48 results
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2
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5

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 return 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 £159). Flying from USA to Cardiff in June is currently the most expensive (average of £771). 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.

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 28 January 2026.
Read reviews from past customers who have flown with KLM from the United States to Cardiff. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,443 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.6

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.6

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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?

    If you book a flight to Cardiff from United States, you will be flying to Cardiff Wales, which is the city’s only airport. Cardiff Wales (CWL) is located 9.1 mi from the center of Cardiff.

  • How long is the flight from USA to Cardiff?

    There are many flights that can get you from USA to Cardiff in 12h 10m. Fly via KLM, Delta, or Virgin Atlantic to get the fastest option. Airlines will cover a distance of 3323 mi. This flight may include one or multiple stops.

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

    Most travelers choose New York John F Kennedy Intl - Cardiff Wales, Newark - Cardiff Wales or New York LaGuardia - Cardiff Wales when deciding on the best route 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 holiday 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 £159). Flying from USA to Cardiff in June is currently the most expensive (average of £771). 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

Travelling to a place near Cardiff?

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

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Fly with Cheapflights

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How does Cheapflights help users find flights from USA to Cardiff?

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Why should you use Cheapflights to find cheap flight tickets from USA to Cardiff?

Cheapflights simply makes it quick and affordable to book flights from USA to Cardiff by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from USA to Cardiff with no change fees?

Yes, we can. To see specific flights from USA to Cardiff with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from USA to Cardiff become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cardiff from USA today and book when prices fit your budget.

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