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Cheap flights from the United States to Cardiff from £194

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
16 Jul — 23 Jul1
1 adult

Cheap flight deals from USA to Cardiff

Keep the following information in mind while searching for USA to Cardiff flight deals. Data was last updated 11 July 2025.

Round-trip from

£374

One-way from

£194

Popular in

June

Cheapest in

February

Average price

£873
7/8-14/8
  • 7/8-14/8
  • 2 total stops
  • 24h 35m total
  • USA to Cardiff
Search Deals
6/8
  • 6/8
  • 2 total stops
  • 36h 40m total
  • USA to Cardiff
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from USA to Cardiff

Cheapest flights from USA to Cardiff
Explore the most affordable flight options available from USA to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Thu 7/816:55JFK - CWL
1 stop14h 05mMultiple Airlines
Thu 14/807:55CWL - JFK
1 stop10h 30mMultiple Airlines
Deal found 8/7£374
Fri 8/817:20IAD - CWL
1 stop9h 10mMultiple Airlines
Fri 15/812:25CWL - IAD
1 stop11h 30mMultiple Airlines
Deal found 9/7£402
Wed 12/1117:50BOS - CWL
1 stop11h 15mMultiple Airlines
Wed 19/1114:00CWL - BOS
2 stops35h 55mMultiple Airlines
Deal found 10/7£481
Tue 23/918:45BOS - CWL
1 stop17h 00mKLM
Tue 30/909:50CWL - BOS
1 stop11h 40mKLM
Deal found 9/7£502
Mon 11/800:50JFK - CWL
1 stop10h 55mKLM
Thu 21/817:15CWL - JFK
1 stop27h 10mKLM
Deal found 9/7£502
Tue 23/918:35BOS - CWL
2 stops17h 10mDelta
Tue 30/909:50CWL - BOS
1 stop13h 30mDelta
Deal found 9/7£506
Tue 12/810:30JFK - CWL
2 stops17h 45mDelta
Wed 20/809:50CWL - JFK
1 stop14h 15mDelta
Deal found 9/7£506
Sun 24/807:05LGA - CWL
2 stops24h 40mMultiple Airlines
Sun 31/809:50CWL - LGA
3 stops33h 55mMultiple Airlines
Deal found 10/7£511
Thu 18/917:35EWR - CWL
1 stop13h 25mMultiple Airlines
Tue 23/916:20CWL - EWR
2 stops33h 40mMultiple Airlines
Deal found 10/7£536
Sat 23/815:45ORD - CWL
1 stop12h 50mMultiple Airlines
Sat 30/809:00CWL - ORD
1 stop16h 00mMultiple Airlines
Deal found 11/7£547
Sat 23/818:25JFK - CWL
1 stop9h 50mVirgin Atlantic
Sat 30/809:45CWL - JFK
1 stop10h 40mVirgin Atlantic
Deal found 9/7£557
Sat 23/809:57EWR - CWL
2 stops18h 18mDelta
Sat 30/809:45CWL - EWR
2 stops19h 59mDelta
Deal found 9/7£586

Cheapflights Fare Finder

Customise your flight search to find flights from USA to Cardiff 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 11 July 2025.
Use the filters below to find and compare flights from the United States to Cardiff that are best for you.

Fly from

USA

Fly to

Cardiff

Route

Depart

Return

Price

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Thu 7/8

16:55-12:00

1 stop14h 05m

Cardiff Wales

Thu 14/8

07:55-13:25

1 stop10h 30m

£374

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 8/8

17:20-07:30

1 stop9h 10m

Cardiff Wales

Fri 15/8

12:25-18:55

1 stop11h 30m

£402

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 12/11

17:50-10:05

1 stop11h 15m

Cardiff Wales

Wed 19/11

14:00-20:55

2 stops35h 55m

£481

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 23/9

18:45-16:45

1 stop17h 00m

Cardiff Wales

Tue 30/9

09:50-16:30

1 stop11h 40m

£502

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 11/8

00:50-16:45

1 stop10h 55m

Cardiff Wales

Thu 21/8

17:15-15:25

1 stop27h 10m

£502

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 23/9

18:35-16:45

2 stops17h 10m

Cardiff Wales

Tue 30/9

09:50-18:20

1 stop13h 30m

£506

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 12/8

10:30-09:15

2 stops17h 45m

Cardiff Wales

Wed 20/8

09:50-19:05

1 stop14h 15m

£506

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Sun 24/8

07:05-12:45

2 stops24h 40m

Cardiff Wales

Sun 31/8

09:50-14:45

3 stops33h 55m

£511

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Thu 18/9

17:35-12:00

1 stop13h 25m

Cardiff Wales

Tue 23/9

16:20-21:00

2 stops33h 40m

£536

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 23/8

15:45-10:35

1 stop12h 50m

Cardiff Wales

Sat 30/8

09:00-19:00

1 stop16h 00m

£547

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 43 results
1
2
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5

Best time to book a flight from USA to Cardiff

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

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

Currently, July is the cheapest month in which you can book a flight from USA to Cardiff (average of £169). Flying from USA to Cardiff in December is currently the most expensive (average of £263). 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.

What is the cheapest time of day to fly from US to CWL?

Find hourly flight availability from USA to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to Cardiff as you normally would.

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. 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 Cardiff. Reviews last updated 11 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andAir France from the United States to Cardiff. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,467 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,154 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from USA to Cardiff. 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 into for flights to Cardiff from United States?

    If you book a flight to Cardiff from United States, you will be flying to Cardiff Wales, which is the city’s only airport. Cardiff Wales (CWL) is located 9.1 mi from the center of Cardiff.

  • What are the cheapest airlines to fly from USA to Cardiff one-way?

    One-way options have recently been found by users for as low as £299 on ITA Airways. Other airlines that offer cheap prices include KLM from £366 and Delta from £371 one-way.

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

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

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from USA to Cardiff (average of £169). Flying from USA to Cardiff in December is currently the most expensive (average of £263). 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

Travelling to a place near the United States?

Book flights to the United States if you plan to visit one of these locations
Barry
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Can Cheapflights notify me if prices for flights from USA to Cardiff become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cardiff from USA today and book when prices fit your budget.

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