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Cheap flights from the United States to Cardiff from £260

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
23 Jan — 30 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from USA to Cardiff

Enter your travel dates to find the best prices.

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 24 December 2025.

Tue 30/1213:45LAX - CWL
1 stop19h 10mDelta
Thu 8/110:20CWL - LAX
2 stops56h 37mDelta
Deal found 23/12£742
Tue 30/1213:45LAX - CWL
1 stop19h 10mDelta
Tue 6/110:20CWL - LAX
2 stops44h 11mDelta
Deal found 23/12£765
Sun 28/1213:45LAX - CWL
1 stop19h 00mDelta
Tue 6/110:20CWL - LAX
2 stops44h 11mDelta
Deal found 23/12£791
Sat 27/1223:55LAX - CWL
2 stops32h 50mDelta
Tue 6/110:20CWL - LAX
2 stops44h 11mDelta
Deal found 23/12£794
Sun 28/1213:45LAX - CWL
1 stop19h 00mDelta
Thu 8/110:20CWL - LAX
2 stops38h 40mDelta
Deal found 23/12£797
Mon 29/1223:55LAX - CWL
2 stops25h 55mDelta
Tue 6/110:20CWL - LAX
2 stops44h 11mDelta
Deal found 23/12£800
Mon 29/1213:45LAX - CWL
1 stop19h 10mDelta
Thu 8/110:20CWL - LAX
2 stops37h 45mDelta
Deal found 23/12£801
Mon 29/1220:15LAX - CWL
1 stop26h 45mMultiple Airlines
Fri 9/122:25CWL - LAX
2 stops24h 35mMultiple Airlines
Deal found 23/12£992
Sun 28/1220:15LAX - CWL
1 stop18h 50mMultiple Airlines
Fri 9/122:25CWL - LAX
2 stops24h 35mMultiple Airlines
Deal found 23/12£1,026
Mon 22/1216:15ORD - CWL
2 stops32h 45mMultiple Airlines
Mon 29/1223:30CWL - ORD
1 stop20h 30mMultiple Airlines
Deal found 22/12£1,186
Sat 27/1219:09TPA - CWL
2 stops16h 41mMultiple Airlines
Sat 3/110:20CWL - TPA
1 stop35h 35mMultiple Airlines
Deal found 23/12£1,295
Mon 22/1210:00ORD - CWL
2 stops17h 50mDelta
Mon 29/1210:20CWL - ORD
2 stops19h 42mDelta
Deal found 22/12£1,383

Find flight deals from USA to Cardiff

Keep the following information in mind while searching for USA to Cardiff flight deals. Data was last updated 24 December 2025.

Round-trip from

£348

One-way from

£260

Popular in

January

Cheapest in

December

Average price

£558
5/2-12/2
  • 5/2-12/2
  • 4 total stops
  • 54h 10m total
  • USA to Cardiff
Search Deals
26/3
  • 26/3
  • 1 total stop
  • 19h 50m total
  • USA to Cardiff
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£46 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 24 December 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

Sun 11/1

07:05-16:45

2 stops28h 40m

Cardiff Wales

Mon 26/1

10:20-11:40

1 stop30h 20m

£506

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 17/2

17:45-09:50

1 stop11h 05m

Cardiff Wales

Tue 24/2

10:20-15:45

1 stop10h 25m

£507

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 21/1

18:50-09:50

1 stop10h 00m

Cardiff Wales

Wed 28/1

10:20-19:20

1 stop14h 00m

£507

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 11/1

20:50-09:50

1 stop32h 00m

Cardiff Wales

Mon 26/1

10:20-13:30

1 stop32h 10m

£510

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 11/1

13:00-09:50

2 stops15h 50m

Cardiff Wales

Mon 26/1

10:20-18:30

2 stops37h 10m

£514

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 21/1

17:45-09:50

1 stop11h 05m

Cardiff Wales

Thu 29/1

10:20-22:05

2 stops16h 45m

£514

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Wed 21/1

13:00-09:50

2 stops15h 50m

Cardiff Wales

Wed 28/1

10:20-23:13

2 stops17h 53m

£517

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Thu 5/2

17:45-09:50

2 stops35h 05m

Cardiff Wales

Thu 12/2

10:30-16:15

1 stop10h 45m

£530

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Thu 5/2

17:45-16:45

1 stop18h 00m

Cardiff Wales

Thu 12/2

10:20-19:20

1 stop14h 00m

£544

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 5/2

19:10-09:50

1 stop9h 40m

Cardiff Wales

Thu 12/2

10:20-13:25

1 stop32h 05m

£544

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Showing 1-10 of 35 results
1
2
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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, January is the cheapest month in which you can book a flight from USA to Cardiff (average of £382). Flying from USA to Cardiff in June is currently the most expensive (average of £785). 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 24 December 2025.

When flying from USA to Cardiff, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 19% versus a flight at midday.

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 24 December 2025.
Read reviews from past customers who have flown with KLM 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.
KLM
7.7
Good
1,433 reviews
Check prices

Food

7.2

Crew

8.4

Entertainment

7.1

Boarding

7.7

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,433 reviews
KLM
7.7
Good
1,433 reviews
Check prices

Food

7.2

Crew

8.4

Entertainment

7.1

Boarding

7.7

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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.

  • How long is the flight from USA to Cardiff?

    There are many flights that can get you from USA to Cardiff in 11h 05m. Fly via Delta, Virgin Atlantic, or KLM to get the fastest option. Airlines will cover a distance of 3323 mi. This flight may include one or multiple stops.

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

    Most travelers choose Seattle/Tacoma Intl - Cardiff Wales, New York John F Kennedy Intl - Cardiff Wales or Los Angeles - 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, January is the cheapest month in which you can book a flight from USA to Cardiff (average of £382). Flying from USA to Cardiff in June is currently the most expensive (average of £785). 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 Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

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Fly with Cheapflights

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

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Why should you use Cheapflights to find cheap flight tickets from USA to Cardiff?

Cheapflights simply makes it quick and affordable to book flights from USA to Cardiff by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from USA to Cardiff with no change fees?

Yes, we can. To see specific flights from USA to Cardiff 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 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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