How long is the flight from USA to Cardiff?

There are many flights that can get you from USA to Cardiff in 11h 25m. Fly via Delta, KLM, or Virgin Atlantic to get the fastest option. Airlines will cover a distance of 3137 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from USA to Cardiff?

Most travelers choose New York John F Kennedy Intl - Cardiff Wales, New York LaGuardia - Cardiff Wales or Washington, D.C. Dulles Intl - Cardiff Wales when deciding on the best route from USA to Cardiff.

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.

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.

£163+ Flights from the United States to Cardiff

Cheap flight deals from USA to Cardiff

Round-trip from	£315
One-way from	£163
Popular in	January
Cheapest in	December
Average price	£772

7/11-15/11
5 total stops
58h 02m total
USA to Cardiff

Search Deals

5/12
2 total stops
20h 35m total
USA to Cardiff

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£27 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£44 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 18 September 2025.

Fri 7/1105:30BOS - CWL

3 stops33h 10mMultiple Airlines

Sat 15/1120:05CWL - BOS

2 stops24h 52mMultiple Airlines

Deal found 17/9£315

Sun 2/1119:35JFK - CWL

3 stops22h 30mMultiple Airlines

Sun 9/1121:20CWL - JFK

2 stops23h 49mMultiple Airlines

Deal found 17/9£435

Wed 26/1100:30JFK - CWL

3 stops34h 10mMultiple Airlines

Sun 30/1121:20CWL - JFK

3 stops26h 45mMultiple Airlines

Deal found 15/9£500

Wed 26/1117:00JFK - CWL

1 stop12h 05mMultiple Airlines

Sun 30/1121:20CWL - JFK

2 stops25h 00mMultiple Airlines

Deal found 15/9£511

Wed 22/1016:50BOS - CWL

1 stop11h 25mDelta

Wed 29/1010:20CWL - BOS

1 stop13h 35mDelta

Deal found 16/9£512

Tue 30/918:25JFK - CWL

1 stop17h 20mKLM

Tue 7/1017:15CWL - JFK

1 stop27h 10mKLM

Deal found 16/9£512

Wed 1/1017:30JFK - CWL

1 stop18h 15mVirgin Atlantic

Wed 8/1009:50CWL - JFK

2 stops16h 40mVirgin Atlantic

Deal found 17/9£519

Sun 2/1121:20BOS - CWL

1 stop20h 45mMultiple Airlines

Sun 9/1121:20CWL - BOS

1 stop26h 35mMultiple Airlines

Deal found 17/9£530

Sun 28/916:15ORD - CWL

1 stop11h 00mMultiple Airlines

Mon 13/1017:15CWL - ORD

1 stop26h 55mMultiple Airlines

Deal found 17/9£538

Thu 27/1116:30EWR - CWL

3 stops21h 45mMultiple Airlines

Sun 30/1121:20CWL - EWR

2 stops23h 23mMultiple Airlines

Deal found 15/9£552

Sun 28/919:15MDW - CWL

2 stops15h 30mKLM

Mon 13/1017:15CWL - MDW

2 stops31h 10mKLM

Deal found 17/9£556

Fri 7/1116:25ORD - CWL

1 stop11h 25mVirgin Atlantic

Tue 11/1117:25CWL - ORD

1 stop26h 55mVirgin Atlantic

Deal found 16/9£567

Best flights from USA to Cardiff
Discover carefully curated flight deals from USA to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Fri 7/1105:30BOS - CWL

3 stops33h 10mMultiple Airlines

Sat 15/1120:05CWL - BOS

2 stops24h 52mMultiple Airlines

Deal found 17/9£315

Wed 22/1016:50BOS - CWL

1 stop11h 25mDelta

Wed 29/1010:20CWL - BOS

1 stop13h 35mDelta

Deal found 16/9£512

Wed 22/1016:50BOS - CWL

1 stop11h 25mKLM

Wed 29/1010:20CWL - BOS

1 stop32h 00mKLM

Deal found 16/9£512

Wed 1/1017:30JFK - CWL

1 stop18h 15mVirgin Atlantic

Wed 8/1009:50CWL - JFK

2 stops16h 40mVirgin Atlantic

Deal found 17/9£519

Wed 26/1100:30JFK - CWL

3 stops34h 10mMultiple Airlines

Sun 30/1121:20CWL - JFK

3 stops26h 45mMultiple Airlines

Deal found 15/9£500

Wed 18/217:45JFK - CWL

1 stop11h 05mKLM

Mon 23/210:20CWL - JFK

1 stop30h 10mKLM

Deal found 17/9£518

Fri 7/1116:25ORD - CWL

1 stop11h 25mVirgin Atlantic

Tue 11/1117:25CWL - ORD

1 stop26h 55mVirgin Atlantic

Deal found 16/9£567

Wed 12/1118:05IAD - CWL

1 stop10h 45mDelta

Sun 16/1110:20CWL - IAD

2 stops35h 44mDelta

Deal found 17/9£570

Sun 2/1121:20BOS - CWL

1 stop20h 45mMultiple Airlines

Sun 9/1121:20CWL - BOS

1 stop26h 35mMultiple Airlines

Deal found 17/9£530

Sun 28/919:15MDW - CWL

2 stops15h 30mKLM

Mon 13/1017:15CWL - MDW

2 stops31h 10mKLM

Deal found 17/9£556

Wed 3/1213:15DCA - CWL

2 stops15h 35mDelta

Sun 7/1210:20CWL - DCA

2 stops17h 32mDelta

Deal found 17/9£574

Wed 3/1216:25ORD - CWL

1 stop18h 30mVirgin Atlantic

Sun 7/1217:30CWL - ORD

1 stop26h 50mVirgin Atlantic

Deal found 16/9£586

Sun 28/916:15ORD - CWL

1 stop11h 00mMultiple Airlines

Mon 13/1017:15CWL - ORD

1 stop26h 55mMultiple Airlines

Deal found 17/9£538

Wed 18/210:25EWR - CWL

2 stops18h 25mKLM

Mon 23/210:20CWL - EWR

2 stops19h 39mKLM

Deal found 17/9£566

Wed 3/1218:21BWI - CWL

2 stops41h 34mDelta

Sun 7/1210:20CWL - BWI

2 stops41h 42mDelta

Deal found 17/9£577

Wed 3/1213:14MDW - CWL

2 stops38h 36mVirgin Atlantic

Sun 7/1217:30CWL - MDW

2 stops36h 02mVirgin Atlantic

Deal found 16/9£596

Thu 27/1116:30EWR - CWL

3 stops21h 45mMultiple Airlines

Sun 30/1121:20CWL - EWR

2 stops23h 23mMultiple Airlines

Deal found 15/9£552

Wed 18/212:00JFK - CWL

2 stops16h 50mDelta

Mon 23/210:20CWL - JFK

1 stop10h 25mDelta

Deal found 17/9£580

Wed 1/1015:21EWR - CWL

2 stops12h 54mKLM

Wed 8/1009:50CWL - EWR

2 stops14h 33mKLM

Deal found 17/9£582

Wed 26/1117:00JFK - CWL

1 stop12h 05mMultiple Airlines

Sun 30/1121:20CWL - JFK

1 stop21h 35mMultiple Airlines

Deal found 15/9£556

Wed 3/1210:47BWI - CWL

2 stops25h 08mVirgin Atlantic

Sun 7/1217:30CWL - BWI

2 stops35h 57mVirgin Atlantic

Deal found 15/9£615

Tue 30/910:30JFK - CWL

2 stops17h 45mDelta

Tue 7/1009:50CWL - JFK

2 stops18h 28mDelta

Deal found 16/9£581

Fri 7/1116:25ORD - CWL

1 stop11h 25mKLM

Tue 11/1110:20CWL - ORD

2 stops16h 09mKLM

Deal found 16/9£591

Wed 3/1214:55DCA - CWL

2 stops13h 55mVirgin Atlantic

Sun 7/1217:30CWL - DCA

2 stops33h 10mVirgin Atlantic

Deal found 15/9£615

Wed 3/1210:46ORD - CWL

2 stops24h 09mDelta

Sun 7/1210:20CWL - ORD

2 stops28h 25mDelta

Deal found 17/9£597

Fri 31/1007:52ATL - CWL

3 stops31h 48mMultiple Airlines

Fri 7/1122:25CWL - ATL

3 stops30h 12mMultiple Airlines

Deal found 16/9£604

Thu 30/1019:05IAD - CWL

1 stop10h 45mKLM

Thu 13/1117:25CWL - IAD

1 stop27h 40mKLM

Deal found 16/9£605

Wed 15/1015:05MSP - CWL

1 stop12h 10mDelta

Wed 22/1009:50CWL - MSP

1 stop13h 30mDelta

Deal found 17/9£599

Fri 24/1017:25IAD - CWL

1 stop18h 40mMultiple Airlines

Sat 1/1117:25CWL - IAD

1 stop27h 40mMultiple Airlines

Deal found 16/9£605

Mon 13/1017:25IAD - CWL

1 stop10h 50mKLM

Wed 22/1009:50CWL - IAD

1 stop10h 45mKLM

Deal found 17/9£605

Last-minute flights from USA to Cardiff
Discover last-minute flight deals from USA to Cardiff. Data last updated 18 September 2025 and is based on user searches.

Mon 22/916:50BOS - CWL

1 stop18h 55mKLM

Fri 26/909:50CWL - BOS

1 stop13h 30mKLM

Deal found 17/9£593

Mon 22/920:50BOS - CWL

2 stops14h 55mDelta

Fri 26/909:50CWL - BOS

2 stops17h 40mDelta

Deal found 17/9£604

Sun 28/916:15ORD - CWL

1 stop11h 00mMultiple Airlines

Mon 13/1017:15CWL - ORD

1 stop26h 55mMultiple Airlines

Deal found 17/9£538

Sun 28/919:15MDW - CWL

2 stops15h 30mKLM

Mon 13/1017:15CWL - MDW

2 stops31h 10mKLM

Deal found 17/9£556

Tue 30/918:25JFK - CWL

1 stop17h 20mKLM

Tue 7/1017:15CWL - JFK

1 stop27h 10mKLM

Deal found 16/9£512

Tue 30/919:15JFK - CWL

1 stop16h 30mDelta

Tue 7/1009:50CWL - JFK

2 stops17h 16mDelta

Deal found 16/9£578

Wed 1/1017:30JFK - CWL

1 stop18h 15mVirgin Atlantic

Wed 8/1009:50CWL - JFK

2 stops16h 40mVirgin Atlantic

Deal found 17/9£519

Wed 1/1015:21EWR - CWL

2 stops12h 54mKLM

Wed 8/1009:50CWL - EWR

2 stops14h 33mKLM

Deal found 17/9£582

Wed 15/1015:05MSP - CWL

1 stop12h 10mDelta

Wed 22/1009:50CWL - MSP

1 stop13h 30mDelta

Deal found 17/9£599

Wed 22/1016:50BOS - CWL

1 stop11h 25mKLM

Wed 29/1010:20CWL - BOS

1 stop32h 00mKLM

Deal found 16/9£512

Wed 22/1012:45BOS - CWL

2 stops15h 30mDelta

Wed 29/1010:20CWL - BOS

1 stop13h 35mDelta

Deal found 16/9£515

Fri 31/1007:52ATL - CWL

3 stops31h 48mMultiple Airlines

Fri 7/1122:25CWL - ATL

3 stops30h 12mMultiple Airlines

Deal found 16/9£604

One-way flights from USA to Cardiff
Search for one-way flight options from USA to Cardiff. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Fri 5/1218:05JFK - CWL

2 stops20h 35mMultiple Airlines

Deal found 16/9£163

Mon 20/1023:00BOS - CWL

2 stops51h 25mMultiple Airlines

Deal found 16/9£189

Sat 4/1018:20JFK - CWL

2 stops36h 45mMultiple Airlines

Deal found 16/9£191

Sat 4/1023:00EWR - CWL

2 stops32h 45mMultiple Airlines

Deal found 16/9£211

Fri 5/1217:45EWR - CWL

1 stop20h 55mMultiple Airlines

Deal found 16/9£218

Fly from

Fly to

Route

Depart

Return

Price

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Fri 7/11

05:30-19:40

3 stops33h 10m

Cardiff Wales

Sat 15/11

20:05-15:57

2 stops24h 52m

£315

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 26/11

00:30-15:40

3 stops34h 10m

Cardiff Wales

Sun 30/11

21:20-19:05

3 stops26h 45m

£500

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 22/10

16:50-09:15

1 stop11h 25m

Cardiff Wales

Wed 29/10

10:20-19:55

1 stop13h 35m

£512

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Wed 22/10

16:50-09:15

1 stop11h 25m

Cardiff Wales

Wed 29/10

10:20-14:20

1 stop32h 00m

£512

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 18/2

17:45-09:50

1 stop11h 05m

Cardiff Wales

Mon 23/2

10:20-11:30

1 stop30h 10m

£518

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 1/10

17:30-16:45

1 stop18h 15m

Cardiff Wales

Wed 8/10

09:50-21:30

2 stops16h 40m

£519

BostonCardiff

BOS - CWL

BOSCWL

Boston Logan Intl

Sun 2/11

21:20-23:05

1 stop20h 45m

Cardiff Wales

Sun 9/11

21:20-18:55

1 stop26h 35m

£530

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 28/9

16:15-09:15

1 stop11h 00m

Cardiff Wales

Mon 13/10

17:15-14:10

1 stop26h 55m

£538

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Thu 27/11

16:30-19:15

3 stops21h 45m

Cardiff Wales

Sun 30/11

21:20-15:43

2 stops23h 23m

£552

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sun 28/9

19:15-16:45

2 stops15h 30m

Cardiff Wales

Mon 13/10

17:15-18:25

2 stops31h 10m

£556

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 35 results

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?

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

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

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

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 25m. Fly via Delta, KLM, or Virgin Atlantic to get the fastest option. Airlines will cover a distance of 3137 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, New York LaGuardia - 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, 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

Barry

Bridgend

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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.

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Cheap flights from the United States to Cardiff from £163

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.

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 18 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from USA to Cardiff

Cheapest flights from USA to CardiffExplore 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 18 September 2025.

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 18 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United States to Cardiff that are best for you.

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.

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?

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 18 September 2025.

Reviews of airlines servicing Cardiff

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.

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?

How long is the flight from USA to Cardiff?

What are the most popular routes from USA to Cardiff?

Can I find deals for flights from USA to Cardiff that include hotel bookings?

How can I find direct flights from USA to Cardiff?

Can I find deals for business class flights from USA to Cardiff?

What is the cheapest month to book a flight from USA to Cardiff?

Travelling to a place near Cardiff?

Browse thousands of different options on Cheapflights for your next trip

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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.

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?

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

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

Can Cheapflights notify me if prices for flights from USA to Cardiff become cheaper?

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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 18 September 2025.