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Cheap flights from the United States to Cardiff from £230

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
2 Jun — 9 Jun1
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 3 May 2026.

Mon 15/616:00
LGA
-
CWL
1 stop13h 15m
Multiple Airlines
Mon 22/622:10
CWL
-
LGA
3 stops29h 25m
Multiple Airlines
Deal found 1/5£552
Mon 15/612:25
EWR
-
CWL
2 stops16h 50m
Multiple Airlines
Mon 22/622:10
CWL
-
EWR
3 stops29h 22m
Multiple Airlines
Deal found 1/5£558
Sun 7/610:05
BOS
-
CWL
1 stop19h 10m
Multiple Airlines
Mon 15/622:10
CWL
-
BOS
3 stops29h 29m
Multiple Airlines
Deal found 1/5£576
Sat 6/618:50
BOS
-
CWL
2 stops34h 25m
Multiple Airlines
Wed 17/623:30
CWL
-
BOS
3 stops28h 08m
Multiple Airlines
Deal found 3/5£588
Mon 8/623:55
JFK
-
CWL
1 stop17h 55m
Multiple Airlines
Sat 13/607:30
CWL
-
JFK
1 stop19h 55m
Multiple Airlines
Deal found 3/5£590
Mon 15/605:10
BOS
-
CWL
1 stop24h 05m
Multiple Airlines
Mon 22/611:35
CWL
-
BOS
1 stop16h 03m
Multiple Airlines
Deal found 1/5£600
Sat 30/523:55
JFK
-
CWL
1 stop16h 25m
Multiple Airlines
Sat 6/607:30
CWL
-
JFK
1 stop19h 55m
Multiple Airlines
Deal found 2/5£604
Mon 8/606:00
EWR
-
CWL
2 stops23h 15m
Multiple Airlines
Sat 13/611:35
CWL
-
EWR
1 stop16h 00m
Multiple Airlines
Deal found 3/5£609
Mon 15/623:55
JFK
-
CWL
1 stop17h 55m
Multiple Airlines
Mon 22/622:10
CWL
-
JFK
1 stop20h 30m
Multiple Airlines
Deal found 1/5£609
Thu 11/610:05
BOS
-
CWL
2 stops31h 15m
Multiple Airlines
Thu 18/622:50
CWL
-
BOS
2 stops28h 48m
Multiple Airlines
Deal found 30/4£618
Fri 21/816:55
JFK
-
CWL
1 stop9h 00m
Multiple Airlines
Sat 29/807:30
CWL
-
JFK
1 stop11h 10m
Multiple Airlines
Deal found 29/4£620
Wed 19/823:55
JFK
-
CWL
1 stop17h 30m
Multiple Airlines
Sat 29/807:30
CWL
-
JFK
1 stop11h 10m
Multiple Airlines
Deal found 30/4£622

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 3 May 2026.

Round-trip from

£552

One-way from

£230
15/6-22/6
  • 15/6-22/6
  • 4 total stops
  • 42h 40m total
  • USA to Cardiff
Search Deals
23/7
  • 23/7
  • 2 total stops
  • 29h 25m total
  • USA to Cardiff
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 3 May 2026.
Use the filters below to find and compare flights from the United States to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Mon 15/6

12:25-10:15

2 stops16h 50m

Cardiff Wales

Mon 22/6

22:10-22:32

3 stops29h 22m

£558

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Mon 15/6

06:30-10:15

2 stops22h 45m

Cardiff Wales

Mon 22/6

22:10-20:59

3 stops27h 49m

£563

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Sun 24/5

09:10-10:15

1 stop20h 05m

Cardiff Wales

Sat 30/5

11:35-08:30

1 stop25h 55m

£624

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Wed 27/5

10:35-10:15

2 stops18h 40m

Cardiff Wales

Sat 6/6

11:35-08:30

1 stop25h 55m

£626

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Mon 25/5

09:55-10:15

1 stop19h 20m

Cardiff Wales

Sat 30/5

11:35-08:55

1 stop26h 20m

£635

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Mon 8/6

17:55-10:15

1 stop11h 20m

Cardiff Wales

Sat 13/6

11:35-08:55

1 stop26h 20m

£636

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Thu 11/6

10:05-22:20

2 stops31h 15m

Cardiff Wales

Thu 18/6

22:50-17:35

2 stops23h 45m

£649

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Sat 30/5

12:25-21:20

3 stops27h 55m

Cardiff Wales

Sat 6/6

07:30-22:35

2 stops20h 05m

£660

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Sat 30/5

06:30-21:20

3 stops33h 50m

Cardiff Wales

Sat 6/6

11:35-20:59

1 stop14h 24m

£664

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Sun 16/8

11:20-10:15

1 stop17h 55m

Cardiff Wales

Wed 2/9

09:45-21:00

2 stops16h 15m

£691

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 51 resultsSorted by cheapest first
1
2
3
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6

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, August is the cheapest month in which you can book a flight from USA to Cardiff (average of £417). Flying from USA to Cardiff in June is currently the most expensive (average of £1,045). 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 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 3 May 2026.
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
7.8
Good
1,509 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

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
1,509 reviews
KLM
7.8
Good
1,509 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

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 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 16h 13m. Fly via KLM or Delta to get the fastest option. Airlines will cover a distance of 3416 mi. This flight may include one or multiple stops.

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

    Most travelers choose New York John F Kennedy Intl - Cardiff Wales, Tampa - Cardiff Wales or Newark - 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, August is the cheapest month in which you can book a flight from USA to Cardiff (average of £417). Flying from USA to Cardiff in June is currently the most expensive (average of £1,045). 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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Alternative routes for USA to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.
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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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