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Cheap flights from the United States to Cardiff from £213

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
15 Mar — 22 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 13 February 2026.

Wed 4/317:30
JFK
-
CWL
2 stops17h 05m
Multiple Airlines
Sat 7/323:20
CWL
-
JFK
2 stops19h 30m
Multiple Airlines
Deal found 8/2£346
Wed 29/420:50
BOS
-
CWL
2 stops20h 35m
Multiple Airlines
Tue 5/523:15
CWL
-
BOS
2 stops27h 30m
Multiple Airlines
Deal found 12/2£348
Wed 25/317:25
BOS
-
CWL
2 stops17h 45m
Multiple Airlines
Tue 31/316:15
CWL
-
BOS
2 stops27h 55m
Multiple Airlines
Deal found 10/2£397
Sun 1/319:20
ORD
-
CWL
2 stops21h 45m
Multiple Airlines
Fri 6/322:25
CWL
-
ORD
2 stops24h 20m
Multiple Airlines
Deal found 12/2£424
Sat 23/523:55
JFK
-
CWL
1 stop16h 25m
Multiple Airlines
Sat 6/609:25
CWL
-
JFK
1 stop14h 55m
Multiple Airlines
Deal found 9/2£486
Fri 27/315:30
EWR
-
CWL
3 stops24h 10m
Multiple Airlines
Fri 3/422:45
CWL
-
EWR
3 stops21h 14m
Multiple Airlines
Deal found 10/2£489
Sun 15/317:40
JFK
-
CWL
1 stop12h 10m
KLM
Tue 31/317:15
CWL
-
JFK
1 stop30h 50m
KLM
Deal found 12/2£508
Mon 9/317:40
JFK
-
CWL
1 stop19h 15m
KLM
Mon 16/317:15
CWL
-
JFK
1 stop23h 10m
KLM
Deal found 12/2£508
Sun 15/322:20
JFK
-
CWL
1 stop14h 25m
Virgin Atlantic
Tue 31/309:45
CWL
-
JFK
2 stops16h 47m
Virgin Atlantic
Deal found 10/2£515
Sun 15/312:00
LGA
-
CWL
2 stops24h 45m
Delta
Tue 31/309:45
CWL
-
LGA
2 stops16h 38m
Delta
Deal found 10/2£516
Mon 9/319:45
JFK
-
CWL
1 stop10h 05m
Air Europa
Mon 16/310:20
CWL
-
JFK
2 stops39h 09m
Air Europa
Deal found 12/2£516
Wed 25/317:40
JFK
-
CWL
1 stop12h 10m
Multiple Airlines
Mon 6/409:45
CWL
-
JFK
1 stop31h 40m
Multiple Airlines
Deal found 9/2£518

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 13 February 2026.

Round-trip from

£348

One-way from

£213
29/4-5/5
  • 29/4-5/5
  • 4 total stops
  • 48h 05m total
  • USA to Cardiff
Search Deals
15/7
  • 15/7
  • 1 total stop
  • 24h 00m 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 13 February 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

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 29/4

20:50-22:25

2 stops20h 35m

Cardiff Wales

Tue 5/5

23:15-21:45

2 stops27h 30m

£348

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 25/3

17:25-15:10

2 stops17h 45m

Cardiff Wales

Tue 31/3

16:15-15:10

2 stops27h 55m

£397

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 1/3

19:20-23:05

2 stops21h 45m

Cardiff Wales

Fri 6/3

22:25-16:45

2 stops24h 20m

£424

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sat 23/5

23:55-21:20

1 stop16h 25m

Cardiff Wales

Sat 6/6

09:25-19:20

1 stop14h 55m

£486

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Fri 27/3

15:30-19:40

3 stops24h 10m

Cardiff Wales

Fri 3/4

22:45-14:59

3 stops21h 14m

£489

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sun 15/3

17:40-09:50

1 stop12h 10m

Cardiff Wales

Tue 31/3

17:15-19:05

1 stop30h 50m

£508

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Sun 15/3

12:00-16:45

2 stops24h 45m

Cardiff Wales

Tue 31/3

09:45-21:23

2 stops16h 38m

£516

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 9/3

19:45-09:50

1 stop10h 05m

Cardiff Wales

Mon 16/3

10:20-21:29

2 stops39h 09m

£516

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sun 15/3

17:40-09:50

1 stop12h 10m

Cardiff Wales

Tue 31/3

09:45-22:29

2 stops17h 44m

£516

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 20/4

20:30-22:50

2 stops21h 20m

Cardiff Wales

Mon 27/4

22:25-16:55

3 stops23h 30m

£524

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 54 results
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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 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 £160). Flying from USA to Cardiff in June is currently the most expensive (average of £777). 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 13 February 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
1,452 reviews
Check prices

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

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
1,452 reviews
KLM
7.7
Good
1,452 reviews
Check prices

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

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 10h 05m. Fly via KLM, Delta, or Air Europa 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 Chicago O'Hare Intl - Cardiff Wales, New York John F Kennedy Intl - Cardiff Wales or Boston Logan Intl - 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 £160). Flying from USA to Cardiff in June is currently the most expensive (average of £777). 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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