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Cheap flights from Cardiff to the United States from £233

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LAX
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Find 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 21 October 2025.

Thu 4/1210:30CWL - JFK
2 stops34h 15mMultiple Airlines
Thu 11/1217:35JFK - CWL
2 stops23h 25mMultiple Airlines
Deal found 19/10£447
Thu 4/1210:30CWL - EWR
2 stops34h 10mMultiple Airlines
Thu 11/1217:40EWR - CWL
2 stops23h 20mMultiple Airlines
Deal found 19/10£475
Sun 16/1117:30CWL - JFK
1 stop30h 50mVirgin Atlantic
Mon 1/1217:45JFK - CWL
1 stop11h 05mVirgin Atlantic
Deal found 19/10£525
Wed 19/1110:20CWL - JFK
1 stop14h 00mVirgin Atlantic
Wed 26/1116:45JFK - CWL
1 stop12h 05mVirgin Atlantic
Deal found 20/10£534
Wed 19/1110:20CWL - LGA
2 stops15h 56mDelta
Wed 26/1112:00LGA - CWL
2 stops16h 50mDelta
Deal found 20/10£534
Thu 4/1210:20CWL - BOS
2 stops37h 35mMultiple Airlines
Thu 11/1217:10BOS - CWL
2 stops35h 40mMultiple Airlines
Deal found 20/10£543
Wed 19/1115:55CWL - EWR
2 stops28h 45mMultiple Airlines
Wed 26/1117:45EWR - CWL
1 stop11h 20mMultiple Airlines
Deal found 20/10£550
Sun 9/1121:20CWL - BOS
1 stop21h 35mMultiple Airlines
Wed 19/1117:10BOS - CWL
1 stop11h 55mMultiple Airlines
Deal found 19/10£551
Thu 4/1210:20CWL - JFK
1 stop14h 00mKLM
Thu 11/1218:50JFK - CWL
1 stop10h 00mKLM
Deal found 19/10£565
Thu 4/1217:25CWL - BOS
1 stop24h 55mKLM
Thu 11/1219:10BOS - CWL
1 stop9h 40mKLM
Deal found 20/10£566
Sun 16/1110:20CWL - JFK
1 stop14h 00mDelta
Mon 1/1210:50JFK - CWL
2 stops18h 00mDelta
Deal found 19/10£569
Thu 4/1210:20CWL - LGA
2 stops17h 47mDelta
Thu 11/1213:00LGA - CWL
2 stops15h 50mDelta
Deal found 19/10£572

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 21 October 2025.

Round-trip from

£447

One-way from

£233

Popular in

December

Cheapest in

September

Average price

£703
4/12-11/12
  • 4/12-11/12
  • 4 total stops
  • 57h 40m total
  • Cardiff to USA
Search Deals
9/12
  • 9/12
  • 2 total stops
  • 34h 45m 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. 4% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 21 October 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

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Thu 4/12

10:30-15:40

2 stops34h 10m

Newark

Thu 11/12

17:40-22:00

2 stops23h 20m

£475

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Sun 16/11

17:30-19:20

1 stop30h 50m

New York John F Kennedy Intl

Mon 1/12

17:45-09:50

1 stop11h 05m

£525

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Wed 19/11

10:20-19:20

1 stop14h 00m

New York John F Kennedy Intl

Wed 26/11

16:45-09:50

1 stop12h 05m

£534

CardiffNew York

CWL - LGA

CWLLGA

Cardiff Wales

Wed 19/11

10:20-21:16

2 stops15h 56m

New York LaGuardia

Wed 26/11

12:00-09:50

2 stops16h 50m

£534

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Wed 19/11

10:20-19:20

1 stop14h 00m

New York John F Kennedy Intl

Wed 26/11

16:45-09:50

1 stop12h 05m

£534

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Thu 4/12

10:30-15:45

2 stops34h 15m

New York John F Kennedy Intl

Thu 11/12

17:35-09:50

3 stops35h 15m

£536

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Wed 19/11

15:55-15:40

2 stops28h 45m

Newark

Wed 26/11

17:45-10:05

1 stop11h 20m

£550

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Thu 4/12

10:20-19:20

1 stop14h 00m

New York John F Kennedy Intl

Thu 11/12

18:50-09:50

1 stop10h 00m

£565

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 4/12

17:25-13:20

1 stop24h 55m

Boston Logan Intl

Thu 11/12

19:10-09:50

1 stop9h 40m

£566

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Sun 16/11

10:20-19:20

1 stop14h 00m

New York John F Kennedy Intl

Mon 1/12

10:50-09:50

2 stops18h 00m

£569

Flights are sorted by cheapest return flights first.

Deals found on 19/10

Showing 1-10 of 58 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, September is the cheapest month in which you can book a flight from Cardiff to USA (average of £390). Flying from Cardiff to USA in December is currently the most expensive (average of £440). 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 21 October 2025.
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
1,404 reviews
Check prices

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,404 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
670 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 14h. The time it takes to get you to your destination can typically vary by up to 16h 50m. 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 - Miami or Cardiff Wales - Orlando 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, September is the cheapest month in which you can book a flight from Cardiff to USA (average of £390). Flying from Cardiff to USA in December is currently the most expensive (average of £440). 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 21 October 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£382Average£677FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£435Average£602FlexibilityNo 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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