How long is the flight from Cardiff to USA?

Airlines like Delta, Virgin Atlantic, and KLM fly from Cardiff to USA in about 18h 25m. The time it takes to get you to your destination can typically vary by up to 4h 14m. Cardiff and USA are separated by a distance of 3137 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in USA ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit USA when rainfall is around 71.0 mm.

If weather is an important factor for your trip to USA, 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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

What are the most popular routes from Cardiff to USA?

Most travelers choose Cardiff Wales - New York John F Kennedy Intl, Cardiff Wales - Los Angeles Los Angeles or Cardiff Wales - Newark when deciding on the best route from Cardiff to USA.

What is the cheapest time of day to fly from CWL to US?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cardiff to USA as you normally would.

What airport do you fly from for flights from Cardiff to United States?

Most people fly from Cardiff Wales (CWL) if they book a flight from Cardiff to United States. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

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

Yes. In addition to deals on Cardiff to USA flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Cardiff to USA?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to USA.

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

Yes. Cheapflights offers flight deals from Cardiff to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£339+ Cheap Flights from Cardiff to the United States

Cheap flight deals from Cardiff to USA

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Cardiff to USA
Explore the most affordable flight options available from Cardiff to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Thu 17/922:50 -

2 stops20h 45m

Sun 20/921:15 -

2 stops19h 30m

Deal found 17/8£466

Thu 12/1113:25 -

2 stops31h 20m

Thu 26/1117:35 -

2 stops17h 05m

Deal found 15/8£468

Wed 30/923:50 -

2 stops21h 05m

Wed 7/1023:55 -

1 stop26h 25m

Deal found 16/8£564

Mon 28/913:35 -

2 stops37h 55m

Mon 5/1023:55 -

1 stop17h 55m

Deal found 14/8£575

Wed 9/923:50 -

2 stops25h 15m

Mon 14/922:05 -

2 stops19h 45m

Deal found 15/8£592

Mon 28/909:45 -

1 stop34h 05m

Mon 5/1016:45 -

1 stop16h 00m

Deal found 14/8£594

Tue 29/917:15 -

1 stop29h 30m

Tue 6/1013:50 -

1 stop18h 55m

Deal found 15/8£595

Mon 28/909:45 -

2 stops19h 49m

Mon 5/1008:25 -

2 stops16h 50m

Deal found 14/8£604

Wed 30/909:45 -

2 stops20h 25m

Wed 7/1013:50 -

1 stop35h 25m

Deal found 16/8£608

Wed 30/917:15 -

1 stop26h 35m

Wed 7/1016:45 -

1 stop32h 30m

Deal found 16/8£609

Mon 14/917:15 -

1 stop28h 20m

Mon 21/920:25 -

1 stop15h 20m

Deal found 17/8£609

Tue 29/909:45 -

2 stops22h 39m

Tue 6/1011:10 -

2 stops21h 35m

Deal found 15/8£615

Best flights from Cardiff to USA
Discover carefully curated flight deals from Cardiff to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Tue 29/909:45 -

2 stops22h 39m

Tue 6/1011:10 -

2 stops21h 35m

Deal found 15/8£615

Mon 14/909:45 -

2 stops18h 25m

Mon 21/916:40 -

1 stop11h 35m

Deal found 17/8£623

Thu 1/1009:45 -

2 stops20h 25m

Thu 8/1016:45 -

1 stop16h 00m

Deal found 17/8£629

Thu 3/909:45 -

2 stops19h 18m

Tue 15/915:15 -

2 stops17h 30m

Deal found 15/8£642

Tue 15/909:45 -

2 stops18h 30m

Tue 22/916:55 -

1 stop18h 50m

Deal found 17/8£648

Fri 4/909:45 -

2 stops19h 05m

Sat 3/1008:45 -

2 stops16h 30m

Deal found 16/8£632

Thu 1/1009:45 -

2 stops20h 55m

Thu 8/1014:00 -

2 stops18h 45m

Deal found 17/8£638

Mon 28/909:45 -

1 stop34h 00m

Mon 5/1011:29 -

2 stops16h 46m

Deal found 14/8£645

Tue 15/916:15 -

2 stops27h 20m

Tue 22/921:35 -

2 stops20h 50m

Deal found 17/8£642

Tue 13/1009:45 -

2 stops18h 45m

Thu 22/1014:00 -

2 stops18h 45m

Deal found 14/8£646

Tue 15/917:15 -

2 stops29h 05m

Tue 22/916:55 -

1 stop18h 50m

Deal found 14/8£648

Mon 14/909:45 -

2 stops38h 24m

Sun 20/915:20 -

2 stops36h 55m

Deal found 16/8£742

Mon 2/1110:20 -

1 stop14h 00m

Mon 16/1121:20 -

1 stop14h 40m

Deal found 14/8£648

Fri 18/1210:20 -

2 stops18h 36m

Fri 8/119:15 -

1 stop16h 45m

Deal found 15/8£649

Thu 24/909:45 -

2 stops18h 31m

Wed 7/1016:02 -

2 stops19h 43m

Deal found 16/8£797

Mon 28/909:45 -

1 stop16h 50m

Mon 5/1007:05 -

2 stops18h 10m

Deal found 14/8£675

Thu 17/917:15 -

2 stops34h 09m

Sun 20/918:00 -

2 stops34h 15m

Deal found 17/8£788

Mon 28/909:45 -

2 stops17h 39m

Mon 5/1013:00 -

2 stops15h 15m

Deal found 14/8£652

Wed 30/909:45 -

1 stop10h 45m

Wed 7/1016:50 -

1 stop10h 25m

Deal found 16/8£657

Thu 3/909:45 -

2 stops15h 45m

Tue 8/915:00 -

2 stops13h 15m

Deal found 13/8£675

Mon 14/909:45 -

2 stops18h 25m

Mon 21/912:15 -

2 stops16h 00m

Deal found 17/8£653

Wed 9/917:15 -

3 stops31h 00m

Mon 14/920:25 -

3 stops31h 50m

Deal found 15/8£662

Wed 30/909:45 -

2 stops20h 38m

Wed 7/1007:10 -

2 stops18h 05m

Deal found 16/8£684

Wed 30/909:45 -

2 stops16h 32m

Wed 7/1012:55 -

2 stops15h 20m

Deal found 16/8£657

Sun 27/921:45 -

2 stops25h 40m

Sun 4/1019:59 -

1 stop20h 46m

Deal found 13/8£668

Wed 2/1210:20 -

2 stops18h 53m

Wed 9/1207:00 -

2 stops18h 50m

Deal found 16/8£684

Wed 30/909:45 -

2 stops15h 13m

Wed 7/1013:00 -

2 stops15h 15m

Deal found 16/8£658

Thu 1/1017:15 -

1 stop27h 00m

Thu 8/1016:15 -

1 stop11h 00m

Deal found 17/8£671

Mon 7/1210:20 -

2 stops36h 06m

Sat 12/1212:55 -

2 stops39h 55m

Deal found 14/8£687

Sun 1/1110:20 -

1 stop14h 00m

Mon 16/1122:35 -

1 stop13h 25m

Deal found 14/8£660

Find flight deals from Cardiff to USA

Round-trip from	£466
One-way from	£339
Popular in	June
Cheapest in	September
Average price	£671

17/9-20/9
4 total stops
40h 15m total
Cardiff to USA

Search Deals

7/9
1 total stop
30h 10m total
Cardiff to USA

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£90 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffLos Angeles

CWL Cardiff Wales - LAX Los Angeles Los Angeles

CWLLAX

Cardiff Wales

Tue 29/9

09:45-00:24

2 stops22h 39m

Los Angeles Los Angeles

Tue 6/10

11:10-16:45

2 stops21h 35m

£615

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Mon 14/9

09:45-23:10

2 stops18h 25m

Boston Logan Intl

Mon 21/9

16:40-09:15

1 stop11h 35m

£623

CardiffLos Angeles

CWL Cardiff Wales - LAX Los Angeles Los Angeles

CWLLAX

Cardiff Wales

Thu 1/10

09:45-22:10

2 stops20h 25m

Los Angeles Los Angeles

Thu 8/10

16:45-16:45

1 stop16h 00m

£629

CardiffLos Angeles

CWL Cardiff Wales - LAX Los Angeles Los Angeles

CWLLAX

Cardiff Wales

Fri 4/9

09:45-20:50

2 stops19h 05m

Los Angeles Los Angeles

Sat 3/10

08:45-09:15

2 stops16h 30m

£632

CardiffLos Angeles

CWL Cardiff Wales - LAX Los Angeles Los Angeles

CWLLAX

Cardiff Wales

Thu 1/10

09:45-22:40

2 stops20h 55m

Los Angeles Los Angeles

Thu 8/10

14:00-16:45

2 stops18h 45m

£638

CardiffLos Angeles

CWL Cardiff Wales - LAX Los Angeles Los Angeles

CWLLAX

Cardiff Wales

Thu 3/9

09:45-21:03

2 stops19h 18m

Los Angeles Los Angeles

Tue 15/9

15:15-16:45

2 stops17h 30m

£642

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Tue 15/9

16:15-14:35

2 stops27h 20m

Miami

Tue 22/9

21:35-23:25

2 stops20h 50m

£642

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Mon 28/9

09:45-14:45

1 stop34h 00m

Miami

Mon 5/10

11:29-09:15

2 stops16h 46m

£645

CardiffLos Angeles

CWL Cardiff Wales - LAX Los Angeles Los Angeles

CWLLAX

Cardiff Wales

Tue 13/10

09:45-20:30

2 stops18h 45m

Los Angeles Los Angeles

Thu 22/10

14:00-16:45

2 stops18h 45m

£646

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Tue 15/9

09:45-23:15

2 stops18h 30m

Miami

Tue 22/9

16:55-16:45

1 stop18h 50m

£648

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 43 resultsSorted by cheapest first

...

Best time to book a flight from Cardiff to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Cardiff with our price prediction graph.

CWL-LAX

CWL-MCO

CWL-MIA

CWL-JFK

CWL-BOS

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 Cardiff to the United States

CWL-US0

CWL-LAX

CWL-MCO

CWL-MIA

CWL-JFK

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

Currently, January is the cheapest month in which you can book a flight from Cardiff to USA (average of £495). Flying from Cardiff to USA in June is currently the most expensive (average of £924). 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 USA

Check out reviews from past customers who have flown with KLM and Virgin Atlantic from Cardiff to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,558 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

KLM

7.8

Good

1,558 reviews

KLM

7.8

Good

1,558 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Virgin Atlantic

7.5

Good

692 reviews

KLM

7.8

Good

1,558 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Related info for your journey

What airport do you fly from for flights from Cardiff to United States?
Most people fly from Cardiff Wales (CWL) if they book a flight from Cardiff to United States. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.
How long is the flight from Cardiff to USA?
Airlines like Delta, Virgin Atlantic, and KLM fly from Cardiff to USA in about 18h 25m. The time it takes to get you to your destination can typically vary by up to 4h 14m. Cardiff and USA are separated by a distance of 3137 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Cardiff to USA?
Most travelers choose Cardiff Wales - New York John F Kennedy Intl, Cardiff Wales - Los Angeles Los Angeles or Cardiff Wales - Newark when deciding on the best route from Cardiff to USA.
Can I find deals for flights from Cardiff to USA that include hotel bookings?
Yes. In addition to deals on Cardiff to USA flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cardiff to USA?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to USA.
Can I find deals for business class flights from Cardiff to USA?
Yes. Cheapflights offers flight deals from Cardiff to USA 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 Cardiff to USA?
Currently, January is the cheapest month in which you can book a flight from Cardiff to USA (average of £495). Flying from Cardiff to USA in June is currently the most expensive (average of £924). 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

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Top 2 airlines flying from Cardiff to USA

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£431	Average£577	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£431	Average£651	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cardiff to USA.

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

Yes, we can. To see specific flights from Cardiff to USA 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 Cardiff to USA become cheaper?

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Cheap flights from Cardiff to the United States from £339

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to USA

Cheapest flights from Cardiff to USAExplore the most affordable flight options available from Cardiff to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Explore the most affordable flight options available from Cardiff to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Best flights from Cardiff to USADiscover carefully curated flight deals from Cardiff to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Discover carefully curated flight deals from Cardiff to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Last-minute flights from Cardiff to USADiscover last-minute flight deals from Cardiff to USA. Data last updated 18 August 2026 and is based on user searches.

Discover last-minute flight deals from Cardiff to USA. Data last updated 18 August 2026 and is based on user searches.

One-way flights from Cardiff to USASearch for one-way flight options from Cardiff to USA. Find affordable one-way fares based on user searches. Data last updated 18 August 2026.

Search for one-way flight options from Cardiff to USA. Find affordable one-way fares based on user searches. Data last updated 18 August 2026.

Find flight deals from Cardiff to USA

Round-trip from

One-way from

Popular in

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Average price

Cheapflights Fare Finder

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

Best time to book a flight from Cardiff to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Cardiff with our price prediction graph.

Cheapflights Insights

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

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 18 August 2026.

Check out reviews from past customers who have flown with KLM and Virgin Atlantic from Cardiff to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Cardiff to United States?

How long is the flight from Cardiff to USA?

What are the most popular routes from Cardiff to USA?

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

How can I find direct flights from Cardiff to USA?

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

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

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 Cardiff to USA

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

Complete your trip

Complete your trip to USA by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

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Search flights from Cardiff to USA by cabin class

Find flights from Cardiff to USA, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Cardiff and USA flights

Browse other Cardiff and USA flight options. Last updated on 18 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

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Fly to USA regions

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Top 2 airlines flying from Cardiff to USA

Fly with Cheapflights

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

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

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

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

100% Free

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Travel Smart

Cheapest flights from Cardiff to USA
Explore the most affordable flight options available from Cardiff to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Best flights from Cardiff to USA
Discover carefully curated flight deals from Cardiff to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Last-minute flights from Cardiff to USA
Discover last-minute flight deals from Cardiff to USA. Data last updated 18 August 2026 and is based on user searches.

One-way flights from Cardiff to USA
Search for one-way flight options from Cardiff to USA. Find affordable one-way fares based on user searches. Data last updated 18 August 2026.