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Cheap flights from the United States to Cardiff from £192

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
3 Aug — 10 Aug1
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 4 July 2026.

Mon 17/817:25
BOS
-
CWL
1 stop24h 25m
Multiple Airlines
Mon 31/822:25
CWL
-
BOS
2 stops25h 10m
Multiple Airlines
Deal found 30/6£492
Thu 10/921:15
BOS
-
CWL
1 stop28h 40m
Multiple Airlines
Wed 16/923:50
CWL
-
BOS
2 stops23h 45m
Multiple Airlines
Deal found 29/6£496
Thu 6/820:25
EWR
-
CWL
2 stops20h 55m
Multiple Airlines
Mon 24/822:10
CWL
-
EWR
2 stops25h 55m
Multiple Airlines
Deal found 1/7£508
Mon 17/820:25
EWR
-
CWL
3 stops21h 25m
Multiple Airlines
Mon 24/822:10
CWL
-
EWR
3 stops29h 25m
Multiple Airlines
Deal found 4/7£531
Sat 15/823:55
JFK
-
CWL
1 stop16h 25m
Multiple Airlines
Sat 22/807:30
CWL
-
JFK
1 stop11h 10m
Multiple Airlines
Deal found 1/7£548
Thu 16/719:45
BOS
-
CWL
1 stop33h 30m
Multiple Airlines
Thu 10/911:35
CWL
-
BOS
1 stop12h 00m
Multiple Airlines
Deal found 30/6£550
Tue 13/1016:55
JFK
-
CWL
1 stop25h 30m
Multiple Airlines
Wed 21/1023:50
CWL
-
JFK
2 stops21h 05m
Multiple Airlines
Deal found 30/6£552
Tue 11/821:00
ORD
-
CWL
1 stop19h 50m
Multiple Airlines
Tue 18/823:15
CWL
-
ORD
1 stop20h 45m
Multiple Airlines
Deal found 1/7£552
Mon 17/806:30
LGA
-
CWL
3 stops29h 15m
Multiple Airlines
Mon 24/822:10
CWL
-
LGA
2 stops23h 47m
Multiple Airlines
Deal found 3/7£555
Tue 18/821:05
JFK
-
CWL
1 stop20h 45m
Multiple Airlines
Tue 25/811:00
CWL
-
JFK
2 stops16h 25m
Multiple Airlines
Deal found 3/7£560
Thu 17/923:55
JFK
-
CWL
1 stop17h 25m
Multiple Airlines
Tue 29/911:00
CWL
-
JFK
2 stops16h 25m
Multiple Airlines
Deal found 29/6£562
Thu 20/812:55
EWR
-
CWL
2 stops28h 25m
Multiple Airlines
Thu 27/822:50
CWL
-
EWR
3 stops27h 50m
Multiple Airlines
Deal found 29/6£568

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 4 July 2026.

Round-trip from

£492

One-way from

£192
17/8-31/8
  • 17/8-31/8
  • 3 total stops
  • 49h 35m total
  • USA to Cardiff
Search Deals
28/7
  • 28/7
  • 2 total stops
  • 47h 05m 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 4 July 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

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 11/8

21:00-22:50

1 stop19h 50m

Cardiff Wales

Tue 18/8

23:15-14:00

1 stop20h 45m

£552

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 18/8

21:05-22:50

1 stop20h 45m

Cardiff Wales

Tue 25/8

11:00-22:25

2 stops16h 25m

£560

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Mon 17/8

06:30-22:50

3 stops35h 20m

Cardiff Wales

Mon 24/8

22:10-22:35

3 stops29h 25m

£601

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 17/8

19:25-22:50

2 stops21h 25m

Cardiff Wales

Mon 24/8

17:15-21:25

3 stops34h 10m

£603

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 18/8

23:55-22:50

1 stop17h 55m

Cardiff Wales

Mon 31/8

13:35-22:25

2 stops37h 50m

£606

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Sat 15/8

06:00-21:20

3 stops34h 20m

Cardiff Wales

Sat 22/8

07:30-22:35

2 stops20h 05m

£610

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Sat 15/8

09:55-21:20

2 stops30h 25m

Cardiff Wales

Sat 22/8

07:30-22:35

2 stops20h 05m

£612

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sat 22/8

23:55-21:20

1 stop16h 25m

Cardiff Wales

Mon 31/8

13:35-22:25

2 stops37h 50m

£612

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 26/10

16:55-21:50

1 stop23h 55m

Cardiff Wales

Mon 30/11

08:25-17:20

2 stops14h 55m

£614

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Mon 17/8

10:40-22:50

3 stops31h 10m

Cardiff Wales

Mon 31/8

22:25-09:49

3 stops40h 24m

£624

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 60 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
No data available for this route at this time. Please check back soon.

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 4 July 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
1,533 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

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
1,533 reviews
KLM
7.8
Good
1,533 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

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 17h 32m. Fly via KLM or Virgin Atlantic 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, Newark - Cardiff Wales or Chicago Midway - 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.

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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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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