Cheap flights from the United States to Cardiff from £178

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
5 Sep — 12 Sep1
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 31 August 2025.

Round-trip from

£434

One-way from

£178

Popular in

June

Cheapest in

December

Average price

£911
13/10-20/10
  • 13/10-20/10
  • 2 total stops
  • 25h 00m total
  • USA to Cardiff
3/12
  • 3/12
  • 2 total stops
  • 34h 55m total
  • USA to Cardiff
Highest demand for flights based on searches. 16% potential increase in price (£114 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in August 2025

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 31 August 2025.

Mon 13/1021:05JFK - CWL
1 stop13h 50mMultiple Airlines
Mon 20/1013:10CWL - JFK
1 stop11h 10mMultiple Airlines
Deal found 29/8£434
Mon 13/1020:25EWR - CWL
2 stops14h 30mMultiple Airlines
Mon 20/1013:10CWL - EWR
2 stops31h 10mMultiple Airlines
Deal found 28/8£446
Mon 13/1021:25BOS - CWL
1 stop13h 30mMultiple Airlines
Mon 20/1012:55CWL - BOS
2 stops36h 10mMultiple Airlines
Deal found 28/8£454
Tue 14/1018:20JFK - CWL
2 stops20h 30mMultiple Airlines
Tue 21/1020:20CWL - JFK
2 stops28h 45mMultiple Airlines
Deal found 30/8£494
Mon 13/1021:15ORD - CWL
1 stop12h 40mMultiple Airlines
Mon 20/1013:10CWL - ORD
1 stop11h 50mMultiple Airlines
Deal found 29/8£494
Tue 14/1020:50BOS - CWL
2 stops29h 35mMultiple Airlines
Tue 21/1016:20CWL - BOS
1 stop31h 25mMultiple Airlines
Deal found 30/8£523
Tue 14/1022:50EWR - CWL
2 stops16h 00mMultiple Airlines
Tue 21/1016:20CWL - EWR
2 stops28h 00mMultiple Airlines
Deal found 30/8£533
Tue 25/1118:05JFK - CWL
2 stops16h 25mMultiple Airlines
Mon 1/1223:30CWL - JFK
1 stop19h 25mMultiple Airlines
Deal found 29/8£542
Fri 12/916:55JFK - CWL
1 stop9h 35mMultiple Airlines
Mon 15/913:10CWL - JFK
2 stops38h 05mMultiple Airlines
Deal found 30/8£560
Tue 25/1117:45EWR - CWL
1 stop16h 45mMultiple Airlines
Mon 1/1223:30CWL - EWR
2 stops23h 55mMultiple Airlines
Deal found 29/8£568
Sun 28/1222:00JFK - CWL
1 stop20h 05mMultiple Airlines
Mon 5/123:30CWL - JFK
2 stops21h 25mMultiple Airlines
Deal found 29/8£585
Tue 14/1017:00IAD - CWL
2 stops21h 50mMultiple Airlines
Tue 21/1016:20CWL - IAD
2 stops28h 00mMultiple Airlines
Deal found 30/8£585

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 31 August 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

Mon 13/10

21:05-15:55

1 stop13h 50m

Cardiff Wales

Mon 20/10

13:10-19:20

1 stop11h 10m

£434

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Mon 13/10

20:25-15:55

2 stops14h 30m

Cardiff Wales

Mon 20/10

13:10-15:20

2 stops31h 10m

£446

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Mon 13/10

21:25-15:55

1 stop13h 30m

Cardiff Wales

Mon 20/10

12:55-20:05

2 stops36h 10m

£454

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 14/10

18:20-19:50

2 stops20h 30m

Cardiff Wales

Tue 21/10

20:20-20:05

2 stops28h 45m

£494

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 13/10

21:15-15:55

1 stop12h 40m

Cardiff Wales

Mon 20/10

13:10-19:00

1 stop11h 50m

£494

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Tue 14/10

20:50-07:25

2 stops29h 35m

Cardiff Wales

Tue 21/10

16:20-18:45

1 stop31h 25m

£523

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Tue 14/10

20:25-09:15

3 stops31h 50m

Cardiff Wales

Tue 21/10

16:20-15:20

2 stops28h 00m

£533

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 25/11

18:05-15:30

2 stops16h 25m

Cardiff Wales

Mon 1/12

23:30-13:55

1 stop19h 25m

£542

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Fri 12/9

16:55-07:30

1 stop9h 35m

Cardiff Wales

Mon 15/9

13:10-22:15

2 stops38h 05m

£560

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Tue 25/11

17:45-15:30

1 stop16h 45m

Cardiff Wales

Mon 1/12

23:30-18:25

2 stops23h 55m

£568

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 47 results
1
2
3
...
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 31 August 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 31 August 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.

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 10h 50m. Fly via Virgin Atlantic, KLM, or Delta to get the fastest option. Airlines will cover a distance of 3548 mi. This flight may include one or multiple stops.

  • What are the most popular routes 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 Cardiff?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Cardiff

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Cardiff from USA today with Cheapflights!

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.