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Cheap flights from Cardiff to the United States from £255

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LAX
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to USA

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to USA
Explore the most affordable flight options available from Cardiff to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Thu 19/310:30
CWL
-
JFK
2 stops30h 55m
Multiple Airlines
Tue 24/322:15
JFK
-
CWL
1 stop13h 15m
Multiple Airlines
Deal found 31/1£511
Fri 2/1007:45
CWL
-
JFK
2 stops33h 35m
Multiple Airlines
Thu 15/1016:55
JFK
-
CWL
1 stop9h 25m
Multiple Airlines
Deal found 31/1£522
Tue 17/317:25
CWL
-
JFK
1 stop27h 20m
KLM
Tue 24/322:20
JFK
-
CWL
1 stop31h 30m
KLM
Deal found 1/2£528
Tue 17/317:25
CWL
-
BOS
1 stop24h 55m
KLM
Tue 24/320:10
BOS
-
CWL
1 stop9h 40m
KLM
Deal found 31/1£534
Tue 17/310:20
CWL
-
JFK
1 stop10h 25m
Delta
Tue 24/313:50
JFK
-
CWL
2 stops16h 00m
Delta
Deal found 31/1£541
Tue 17/310:20
CWL
-
EWR
2 stops16h 42m
Delta
Tue 24/315:34
EWR
-
CWL
2 stops14h 16m
Delta
Deal found 1/2£546
Tue 17/310:20
CWL
-
LGA
2 stops17h 17m
Delta
Tue 24/313:00
LGA
-
CWL
2 stops16h 50m
Delta
Deal found 1/2£546
Tue 17/317:25
CWL
-
JFK
2 stops33h 04m
Virgin Atlantic
Tue 24/317:05
JFK
-
CWL
2 stops12h 45m
Virgin Atlantic
Deal found 31/1£546
Tue 17/310:20
CWL
-
BOS
2 stops16h 34m
Delta
Tue 24/313:55
BOS
-
CWL
2 stops15h 55m
Delta
Deal found 31/1£546
Tue 17/317:25
CWL
-
LGA
2 stops30h 59m
Virgin Atlantic
Tue 24/314:00
LGA
-
CWL
2 stops15h 50m
Virgin Atlantic
Deal found 31/1£546
Thu 19/315:35
CWL
-
JFK
2 stops29h 20m
Multiple Airlines
Thu 26/318:00
JFK
-
CWL
1 stop24h 00m
Multiple Airlines
Deal found 2/2£551
Tue 6/1017:15
CWL
-
JFK
1 stop30h 50m
Multiple Airlines
Mon 12/1021:10
JFK
-
CWL
1 stop31h 05m
Multiple Airlines
Deal found 31/1£551

Find flight deals from Cardiff to USA

Keep the following information in mind while searching for Cardiff to USA flight deals. Data was last updated 2 February 2026.

Round-trip from

£511

One-way from

£255

Popular in

April

Cheapest in

September

Average price

£471
19/3-24/3
  • 19/3-24/3
  • 3 total stops
  • 44h 10m total
  • Cardiff to USA
Search Deals
28/4
  • 28/4
  • 3 total stops
  • 31h 47m total
  • Cardiff to USA
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to USA 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 2 February 2026.
Use the filters below to find and compare flights from Cardiff to the United States that are best for you.

Fly from

Cardiff

Fly to

USA

Route

Depart

Return

Price

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Thu 19/3

10:30-13:25

2 stops30h 55m

New York John F Kennedy Intl

Tue 24/3

22:15-15:30

1 stop13h 15m

£512

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Tue 17/3

17:25-14:20

1 stop24h 55m

Boston Logan Intl

Tue 24/3

20:10-09:50

1 stop9h 40m

£534

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Tue 17/3

10:20-16:45

1 stop10h 25m

New York John F Kennedy Intl

Tue 24/3

13:50-09:50

2 stops16h 00m

£541

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Tue 17/3

10:20-23:02

2 stops16h 42m

Newark

Tue 24/3

15:34-09:50

2 stops14h 16m

£546

CardiffNew York

CWL - LGA

CWLLGA

Cardiff Wales

Tue 17/3

10:20-23:37

2 stops17h 17m

New York LaGuardia

Tue 24/3

13:00-09:50

2 stops16h 50m

£546

CardiffNew York

CWL - LGA

CWLLGA

Cardiff Wales

Tue 17/3

17:25-20:24

2 stops30h 59m

New York LaGuardia

Tue 24/3

14:00-09:50

2 stops15h 50m

£546

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Tue 17/3

10:20-22:54

2 stops16h 34m

Boston Logan Intl

Tue 24/3

13:55-09:50

2 stops15h 55m

£546

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Thu 19/3

15:35-16:55

2 stops29h 20m

New York John F Kennedy Intl

Thu 26/3

18:00-22:00

1 stop24h 00m

£551

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Fri 20/3

22:25-16:55

2 stops22h 30m

New York John F Kennedy Intl

Wed 25/3

18:00-10:05

1 stop12h 05m

£555

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Thu 19/3

10:20-20:20

1 stop14h 00m

New York John F Kennedy Intl

Tue 24/3

22:20-16:55

1 stop14h 35m

£561

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 50 results
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Best time to book a flight from Cardiff to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Cardiff 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 Cardiff to the United States

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

Currently, December is the cheapest month in which you can book a flight from Cardiff to USA (average of £237). Flying from Cardiff to USA in August is currently the most expensive (average of £429). 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 USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 2 February 2026.
Check out reviews from past customers who have flown with KLM and Virgin Atlantic from Cardiff to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,448 reviews
Check prices

Overall

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Comfort

7.6

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
1,448 reviews
KLM
7.7
Good
1,448 reviews
Check prices

Overall

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,448 reviews
Check prices

Overall

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Comfort

7.6

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 Cardiff to USA. 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 from for flights from Cardiff to United States?

    Most people fly from Cardiff Wales (CWL) if they book a flight from Cardiff to United States. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

  • How long is the flight from Cardiff to USA?

    Airlines like KLM, Delta, and Virgin Atlantic fly from Cardiff to USA in about 10h 25m. The time it takes to get you to your destination can typically vary by up to 20h 34m. Cardiff and USA are separated by a distance of 3323 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Most travelers choose Cardiff Wales - New York John F Kennedy Intl, Cardiff Wales - Newark or Cardiff Wales - Boston Logan Intl when deciding on the best route from Cardiff to USA.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff to USA 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 Cardiff to USA?

    Currently, December is the cheapest month in which you can book a flight from Cardiff to USA (average of £237). Flying from Cardiff to USA in August is currently the most expensive (average of £429). 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

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Top 2 airlines flying from Cardiff to USA

Discover the top 2 airlines that operate flights from Cardiff to USA. 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 858,174 searches. Data last updated 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£382Average£631FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£426Average£573FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to USA from Cardiff today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cardiff to USA.

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

Yes, we can. To see specific flights from Cardiff to USA 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 Cardiff to USA become cheaper?

Not ready to book yet? You can track prices for flights from Cardiff to USA on Cheapflights with our Price Alert feature and get notified when better prices are available.

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