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Cheap flights from Cardiff to the United States from £321

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LAX
2 Apr — 9 Apr1
1 adult

Cheap flight deals from Cardiff to USA

Keep the following information in mind while searching for Cardiff to USA flight deals. Data was last updated 28 March 2025.

Round-trip from

£418

One-way from

£321

Popular in

July

Cheapest in

March

Average price

£430
KLM
  • KLM
  • 12/5-19/5
  • 4 total stops
  • 45h 26m total
  • Cardiff to USA
Search Deals
9/5
  • 9/5
  • 2 total stops
  • 34h 00m total
  • Cardiff to USA
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£142 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Cardiff to USA

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 28 March 2025.

Mon 12/517:15CWL - LGA
2 stops31h 40mKLM
Mon 19/514:29LGA - CWL
2 stops13h 46mKLM
Deal found 28/3£418
Fri 16/517:15CWL - JFK
1 stop10h 35mAir France
Fri 23/519:15JFK - CWL
1 stop16h 50mAir France
Deal found 27/3£427
Sun 11/509:50CWL - LGA
2 stops16h 32mDelta
Sun 18/514:29LGA - CWL
2 stops13h 46mDelta
Deal found 26/3£431
Fri 16/512:25CWL - EWR
3 stops29h 50mMultiple Airlines
Fri 23/517:15EWR - CWL
2 stops24h 35mMultiple Airlines
Deal found 27/3£442
Wed 23/417:15CWL - JFK
1 stop10h 35mKLM
Sun 27/419:15JFK - CWL
1 stop33h 00mKLM
Deal found 28/3£457
Thu 11/917:15CWL - EWR
2 stops43h 15mVirgin Atlantic
Mon 15/919:55EWR - CWL
2 stops32h 20mVirgin Atlantic
Deal found 28/3£462
Thu 11/909:50CWL - JFK
1 stop14h 15mDelta
Mon 15/914:46JFK - CWL
2 stops13h 29mDelta
Deal found 27/3£463
Thu 11/909:50CWL - EWR
2 stops18h 11mDelta
Mon 15/914:45EWR - CWL
2 stops13h 30mDelta
Deal found 27/3£468
Fri 16/512:25CWL - JFK
2 stops33h 35mMultiple Airlines
Fri 23/518:55JFK - CWL
3 stops22h 55mMultiple Airlines
Deal found 27/3£470
Tue 3/609:50CWL - JFK
1 stop10h 35mVirgin Atlantic
Fri 6/610:30JFK - CWL
2 stops17h 40mVirgin Atlantic
Deal found 28/3£496
Sun 11/511:00CWL - IAD
1 stop12h 55mMultiple Airlines
Sun 18/520:25IAD - CWL
1 stop11h 20mMultiple Airlines
Deal found 27/3£504
Sun 11/509:50CWL - IAD
2 stops16h 44mKLM
Sun 18/517:25IAD - CWL
1 stop10h 50mKLM
Deal found 27/3£643

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 28 March 2025.
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 - LGA

CWLLGA

Cardiff Wales

Mon 12/5

17:15-19:55

2 stops31h 40m

New York LaGuardia

Mon 19/5

14:29-09:15

2 stops13h 46m

£418

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Fri 16/5

17:15-22:50

1 stop10h 35m

New York John F Kennedy Intl

Fri 23/5

19:15-17:05

1 stop16h 50m

£427

CardiffNew York

CWL - LGA

CWLLGA

Cardiff Wales

Sun 11/5

09:50-21:22

2 stops16h 32m

New York LaGuardia

Sun 18/5

14:29-09:15

2 stops13h 46m

£431

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Fri 16/5

12:25-13:15

3 stops29h 50m

Newark

Fri 23/5

17:15-22:50

2 stops24h 35m

£442

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Wed 23/4

17:15-22:50

1 stop10h 35m

New York John F Kennedy Intl

Sun 27/4

19:15-09:15

1 stop33h 00m

£457

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Thu 11/9

17:15-07:30

2 stops43h 15m

Newark

Mon 15/9

19:55-09:15

2 stops32h 20m

£462

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Thu 11/9

09:50-19:05

1 stop14h 15m

New York John F Kennedy Intl

Mon 15/9

14:46-09:15

2 stops13h 29m

£463

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Thu 11/9

09:50-23:01

2 stops18h 11m

Newark

Mon 15/9

14:45-09:15

2 stops13h 30m

£468

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Fri 16/5

12:25-17:00

2 stops33h 35m

New York John F Kennedy Intl

Fri 23/5

18:55-22:50

3 stops22h 55m

£470

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Tue 3/6

09:50-15:25

1 stop10h 35m

New York John F Kennedy Intl

Fri 6/6

10:30-09:10

2 stops17h 40m

£496

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 35 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, January is the cheapest month in which you can book a flight from Cardiff to USA (average of £575). Flying from Cardiff to USA in July is currently the most expensive (average of £811). 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.

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in USA ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit USA when rainfall is around 71.0 mm.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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 28 March 2025.
Read through reviews of airlines operating flights from Cardiff to USA, such as Delta, KLM and Air France. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,894 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,894 reviews
Delta
8.0
Very Good
7,894 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very Good
7,894 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very Good
7,894 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
634 reviews
Delta
8.0
Very Good
7,894 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,062 reviews
Delta
8.0
Very Good
7,894 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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, January is the cheapest month in which you can book a flight from Cardiff to USA (average of £575). Flying from Cardiff to USA in July is currently the most expensive (average of £811). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Cardiff to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Cardiff to USA

Discover the top 3 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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£396Average£698FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£459Average£611FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£482Average£615FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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

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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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