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Cheap flights from Cardiff to the United States from £251

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LAX
12 Aug — 19 Aug1
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 13 July 2026.

Mon 24/822:10
CWL
-
EWR
2 stops25h 55m
Multiple Airlines
Thu 27/820:25
EWR
-
CWL
2 stops20h 55m
Multiple Airlines
Deal found 9/7£460
Sat 29/807:30
CWL
-
JFK
2 stops14h 30m
Multiple Airlines
Sat 12/918:55
JFK
-
CWL
2 stops21h 25m
Multiple Airlines
Deal found 8/7£502
Mon 31/811:35
CWL
-
EWR
1 stop15h 25m
Multiple Airlines
Mon 14/920:25
EWR
-
CWL
2 stops21h 25m
Multiple Airlines
Deal found 9/7£536
Wed 26/823:15
CWL
-
LGA
3 stops28h 20m
Multiple Airlines
Wed 2/906:30
LGA
-
CWL
3 stops34h 55m
Multiple Airlines
Deal found 12/7£556
Wed 26/823:15
CWL
-
LGA
3 stops28h 20m
Multiple Airlines
Mon 31/816:45
LGA
-
CWL
2 stops25h 05m
Multiple Airlines
Deal found 8/7£567
Mon 24/822:10
CWL
-
LGA
2 stops23h 45m
Multiple Airlines
Thu 27/810:30
LGA
-
CWL
2 stops30h 50m
Multiple Airlines
Deal found 9/7£581
Sun 23/821:45
CWL
-
JFK
1 stop20h 55m
Multiple Airlines
Sun 30/823:10
JFK
-
CWL
2 stops17h 50m
Multiple Airlines
Deal found 9/7£618
Mon 2/1110:20
CWL
-
JFK
1 stop14h 00m
Delta
Mon 16/1114:00
JFK
-
CWL
2 stops14h 50m
Delta
Deal found 9/7£623
Mon 31/809:45
CWL
-
JFK
1 stop12h 20m
Delta
Mon 14/918:25
JFK
-
CWL
1 stop9h 50m
Delta
Deal found 9/7£637
Mon 31/809:45
CWL
-
LGA
2 stops16h 35m
Delta
Mon 14/910:59
LGA
-
CWL
2 stops17h 16m
Delta
Deal found 9/7£639
Mon 31/809:45
CWL
-
JFK
2 stops16h 15m
Virgin Atlantic
Mon 14/913:15
JFK
-
CWL
2 stops15h 00m
Virgin Atlantic
Deal found 9/7£641
Sun 4/1017:15
CWL
-
LAX
1 stop29h 30m
KLM
Sun 25/1015:35
LAX
-
CWL
2 stops18h 25m
KLM
Deal found 11/7£641

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 13 July 2026.

Round-trip from

£460

One-way from

£251

Popular in

June

Cheapest in

September

Average price

£821
24/8-27/8
  • 24/8-27/8
  • 4 total stops
  • 46h 50m total
  • Cardiff to USA
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 44h 40m total
  • Cardiff to USA
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£130 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 13 July 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

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Mon 24/8

11:35-22:35

1 stop16h 00m

Newark

Thu 27/8

20:25-22:20

2 stops20h 55m

£548

CardiffNew York

CWL - LGA

CWLLGA

Cardiff Wales

Wed 26/8

23:15-22:35

3 stops28h 20m

New York LaGuardia

Wed 2/9

06:30-22:25

3 stops34h 55m

£556

CardiffNew York

CWL - LGA

CWLLGA

Cardiff Wales

Wed 26/8

23:15-22:35

3 stops28h 20m

New York LaGuardia

Mon 31/8

16:45-22:50

2 stops25h 05m

£567

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Mon 2/11

10:20-19:20

1 stop14h 00m

New York John F Kennedy Intl

Mon 16/11

14:00-09:50

2 stops14h 50m

£624

CardiffNew York

CWL - LGA

CWLLGA

Cardiff Wales

Mon 24/8

22:10-21:30

3 stops28h 20m

New York LaGuardia

Thu 27/8

06:30-22:20

3 stops34h 50m

£636
Fastest return journey

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Mon 31/8

09:45-17:05

1 stop12h 20m

New York John F Kennedy Intl

Mon 14/9

13:15-09:15

2 stops15h 00m

£637

CardiffNew York

CWL - LGA

CWLLGA

Cardiff Wales

Mon 31/8

09:45-21:20

2 stops16h 35m

New York LaGuardia

Mon 14/9

10:59-09:15

2 stops17h 16m

£639

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Mon 31/8

09:45-21:00

2 stops16h 15m

New York John F Kennedy Intl

Mon 14/9

13:15-09:15

2 stops15h 00m

£641

CardiffLos Angeles

CWL - LAX

CWLLAX

Cardiff Wales

Sun 4/10

09:50-00:24

2 stops22h 34m

Los Angeles Los Angeles

Sun 25/10

09:15-09:50

2 stops17h 35m

£642

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Mon 31/8

09:45-23:25

2 stops18h 40m

Newark

Mon 14/9

15:00-09:15

2 stops13h 15m

£645

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 44 resultsSorted by cheapest first
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2
3
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5

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, March is the cheapest month in which you can book a flight from Cardiff to USA (average of £398). Flying from Cardiff to USA in June is currently the most expensive (average of £756). 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 13 July 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
1,538 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,538 reviews
KLM
7.8
Good
1,538 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.5
Good
693 reviews
KLM
7.8
Good
1,538 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 Delta, KLM, and Virgin Atlantic fly from Cardiff to USA in about 14h. The time it takes to get you to your destination can typically vary by up to 15h 30m. 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 - New York LaGuardia 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, March is the cheapest month in which you can book a flight from Cardiff to USA (average of £398). Flying from Cardiff to USA in June is currently the most expensive (average of £756). 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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See prices for flight routes from nearby airports that may be better suited for you.
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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 13 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£436Average£572FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£436Average£633FlexibilityNo cancel feeOn-time75%
Search KLM 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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