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Cheap flights from the United States to Cardiff from £176

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
12 Feb — 19 Feb1
1 adult
1 adult, Economy, 0 bags

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 13 January 2026.

Round-trip from

£350

One-way from

£176
8/2-15/2
  • 8/2-15/2
  • 4 total stops
  • 42h 40m total
  • USA to Cardiff
Search Deals
20/4
  • 20/4
  • 1 total stop
  • 24h 15m total
  • USA to Cardiff
Search Deals

Find 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 13 January 2026.

Sun 8/220:40
BOS
-
CWL
2 stops21h 25m
Multiple Airlines
Sun 15/221:20
CWL
-
BOS
2 stops21h 15m
Multiple Airlines
Deal found 11/1£350
Thu 26/221:00
JFK
-
CWL
2 stops20h 00m
Multiple Airlines
Thu 5/321:55
CWL
-
JFK
2 stops23h 14m
Multiple Airlines
Deal found 12/1£368
Thu 26/218:05
EWR
-
CWL
2 stops22h 55m
Multiple Airlines
Thu 5/321:55
CWL
-
EWR
2 stops22h 48m
Multiple Airlines
Deal found 12/1£372
Tue 14/423:30
BOS
-
CWL
1 stop18h 55m
Multiple Airlines
Tue 21/423:15
CWL
-
BOS
2 stops26h 50m
Multiple Airlines
Deal found 11/1£374
Wed 25/217:05
IAD
-
CWL
1 stop12h 00m
Multiple Airlines
Wed 4/317:25
CWL
-
IAD
2 stops31h 05m
Multiple Airlines
Deal found 11/1£453
Tue 14/417:25
BOS
-
CWL
1 stop25h 00m
Multiple Airlines
Mon 20/422:25
CWL
-
BOS
2 stops27h 40m
Multiple Airlines
Deal found 11/1£463
Mon 19/121:20
JFK
-
CWL
1 stop14h 35m
Virgin Atlantic
Mon 2/217:15
CWL
-
JFK
1 stop27h 30m
Virgin Atlantic
Deal found 12/1£470
Mon 19/106:00
JFK
-
CWL
2 stops22h 50m
Delta
Mon 2/210:20
CWL
-
JFK
1 stop31h 55m
Delta
Deal found 12/1£488
Wed 4/217:45
JFK
-
CWL
1 stop18h 10m
Virgin Atlantic
Wed 11/210:20
CWL
-
JFK
1 stop14h 00m
Virgin Atlantic
Deal found 12/1£488
Mon 19/116:00
LGA
-
CWL
2 stops12h 50m
Delta
Mon 2/210:20
CWL
-
LGA
2 stops38h 56m
Delta
Deal found 12/1£491
Wed 4/212:25
JFK
-
CWL
2 stops16h 25m
Delta
Wed 11/210:20
CWL
-
JFK
1 stop14h 00m
Delta
Deal found 12/1£492
Tue 14/416:35
BOS
-
CWL
1 stop19h 10m
Air France
Tue 21/417:15
CWL
-
BOS
1 stop28h 10m
Air France
Deal found 11/1£499

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 13 January 2026.
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 26/2

21:00-22:00

2 stops20h 00m

Cardiff Wales

Thu 5/3

21:55-16:09

2 stops23h 14m

£368

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Thu 26/2

18:05-22:00

2 stops22h 55m

Cardiff Wales

Thu 5/3

21:55-15:43

2 stops22h 48m

£372

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 14/4

23:30-23:25

1 stop18h 55m

Cardiff Wales

Tue 21/4

23:15-21:05

2 stops26h 50m

£374

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 25/2

17:05-10:05

1 stop12h 00m

Cardiff Wales

Wed 4/3

17:25-19:30

2 stops31h 05m

£453

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 14/4

17:25-23:25

1 stop25h 00m

Cardiff Wales

Mon 20/4

22:25-21:05

2 stops27h 40m

£463

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 4/2

17:45-16:55

1 stop18h 10m

Cardiff Wales

Wed 11/2

10:20-19:20

1 stop14h 00m

£488

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 4/2

12:25-09:50

2 stops16h 25m

Cardiff Wales

Wed 11/2

10:20-19:20

1 stop14h 00m

£492

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 14/4

16:35-16:45

1 stop19h 10m

Cardiff Wales

Mon 20/4

17:15-16:25

1 stop28h 10m

£499

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Thu 26/2

17:45-16:45

1 stop18h 00m

Cardiff Wales

Thu 5/3

10:20-15:45

1 stop10h 25m

£502

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 8/2

19:10-09:50

1 stop9h 40m

Cardiff Wales

Sun 15/2

10:15-18:55

1 stop13h 40m

£525

Flights are sorted by cheapest return flights first.

Deals found on 12/1

Showing 1-10 of 54 results
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, April is the cheapest month in which you can book a flight from USA to Cardiff (average of £162). Flying from USA to Cardiff in June is currently the most expensive (average of £787). 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 13 January 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
7.7
Good
1,437 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.7

Comfort

7.6

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,437 reviews
KLM
7.7
Good
1,437 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.7

Comfort

7.6

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 25m. Fly via Virgin Atlantic, Delta, or Air France 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 New York John F Kennedy Intl - Cardiff Wales, Boston Logan Intl - Cardiff Wales or Washington, D.C. Dulles 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, April is the cheapest month in which you can book a flight from USA to Cardiff (average of £162). Flying from USA to Cardiff in June is currently the most expensive (average of £787). 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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