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Cheap flights from Cardiff to the United States from £309

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LAX
21 Apr — 28 Apr1
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 22 March 2026.

Tue 5/521:45
CWL
-
JFK
2 stops53h 45m
Multiple Airlines
Tue 12/523:55
JFK
-
CWL
1 stop18h 10m
Multiple Airlines
Deal found 21/3£497
Wed 6/521:10
CWL
-
JFK
2 stops30h 20m
Multiple Airlines
Wed 13/523:55
JFK
-
CWL
1 stop17h 30m
Multiple Airlines
Deal found 22/3£532
Sun 19/421:45
CWL
-
JFK
2 stops29h 45m
Multiple Airlines
Sun 26/416:55
JFK
-
CWL
1 stop23h 50m
Multiple Airlines
Deal found 20/3£561
Mon 20/410:25
CWL
-
EWR
3 stops33h 34m
Multiple Airlines
Mon 27/417:45
EWR
-
CWL
2 stops22h 35m
Multiple Airlines
Deal found 21/3£570
Tue 5/523:15
CWL
-
LAX
2 stops20h 35m
Multiple Airlines
Tue 12/515:15
LAX
-
CWL
2 stops23h 50m
Multiple Airlines
Deal found 21/3£570
Sun 19/421:45
CWL
-
JFK
2 stops29h 45m
Multiple Airlines
Mon 4/521:20
JFK
-
CWL
1 stop20h 30m
Multiple Airlines
Deal found 21/3£571
Wed 15/409:45
CWL
-
JFK
1 stop14h 20m
Virgin Atlantic
Sat 25/418:15
JFK
-
CWL
1 stop10h 00m
Virgin Atlantic
Deal found 18/3£583
Mon 20/422:10
CWL
-
BOS
2 stops28h 00m
Multiple Airlines
Mon 27/417:25
BOS
-
CWL
1 stop24h 25m
Multiple Airlines
Deal found 20/3£585
Mon 13/422:10
CWL
-
JFK
2 stops29h 20m
Multiple Airlines
Mon 27/416:55
JFK
-
CWL
1 stop24h 55m
Multiple Airlines
Deal found 17/3£589
Fri 1/522:45
CWL
-
JFK
2 stops22h 10m
Multiple Airlines
Fri 8/516:55
JFK
-
CWL
1 stop9h 00m
Multiple Airlines
Deal found 17/3£598
Wed 6/512:00
CWL
-
JFK
2 stops15h 25m
British Airways
Wed 13/507:50
JFK
-
CWL
2 stops22h 40m
British Airways
Deal found 22/3£599
Mon 4/517:15
CWL
-
JFK
1 stop28h 50m
KLM
Mon 11/518:15
JFK
-
CWL
1 stop10h 00m
KLM
Deal found 20/3£600

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 22 March 2026.

Round-trip from

£497

One-way from

£309

Popular in

December

Cheapest in

September

Average price

£593
5/5-12/5
  • 5/5-12/5
  • 3 total stops
  • 71h 55m total
  • Cardiff to USA
Search Deals
15/6
  • 15/6
  • 3 total stops
  • 46h 20m total
  • Cardiff to USA
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 22 March 2026.
Use the filters below to find and compare flights from Cardiff to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffLos Angeles

CWL - LAX

CWLLAX

Cardiff Wales

Tue 5/5

23:15-11:50

2 stops20h 35m

Los Angeles Los Angeles

Tue 12/5

15:15-23:05

2 stops23h 50m

£570

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Mon 20/4

22:10-09:15

2 stops40h 05m

Newark

Mon 27/4

17:35-22:50

1 stop24h 15m

£573

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Wed 15/4

09:45-19:05

1 stop14h 20m

New York John F Kennedy Intl

Sat 25/4

10:30-09:15

2 stops17h 45m

£583

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 20/4

22:10-21:10

2 stops28h 00m

Boston Logan Intl

Mon 27/4

17:25-22:50

1 stop24h 25m

£585

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Fri 1/5

22:45-15:55

2 stops22h 10m

New York John F Kennedy Intl

Fri 8/5

16:55-06:55

1 stop9h 00m

£598

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 6/5

09:45-16:25

1 stop11h 40m

Boston Logan Intl

Wed 13/5

18:50-16:45

1 stop16h 55m

£603

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Mon 20/4

09:45-19:05

1 stop14h 20m

New York John F Kennedy Intl

Mon 27/4

10:30-09:15

2 stops17h 45m

£621

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 20/4

17:15-13:13

1 stop24h 58m

Boston Logan Intl

Mon 27/4

18:55-09:15

1 stop9h 20m

£621

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Tue 5/5

09:45-19:05

1 stop14h 20m

New York John F Kennedy Intl

Tue 12/5

16:40-16:45

1 stop19h 05m

£623

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 6/5

09:45-23:27

2 stops18h 42m

Boston Logan Intl

Wed 13/5

20:25-16:45

1 stop15h 20m

£627

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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 £244). Flying from Cardiff to USA in April is currently the most expensive (average of £444). 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 22 March 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
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,477 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
683 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 Virgin Atlantic, KLM, and Delta fly from Cardiff to USA in about 11h 40m. The time it takes to get you to your destination can typically vary by up to 2h 40m. Cardiff and USA are separated by a distance of 3137 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 - Chicago O'Hare Intl, Cardiff Wales - New York John F Kennedy Intl or Cardiff Wales - Chicago Midway 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 £244). Flying from Cardiff to USA in April is currently the most expensive (average of £444). 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 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£396Average£629FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£438Average£524FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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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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