What is the cheapest airline that flies from Cardiff Wales to United States?

WestJet, British Airways, and Virgin Atlantic are the most popular carriers operating from Cardiff Wales to United States

Which airlines fly to United States?

KLM, Virgin Atlantic and Aer Lingus are the top three most popular airlines that fly to United States from Cardiff according to our data. KLM is the first choice among our users, with 49% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 4 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Cardiff Wales Airport to United States?

Prices for flights from Cardiff Wales Airport to United States are refreshed on a daily basis.

How many operators does momondo search for flights from Cardiff Wales Airport to United States?

The number of operators available for flights from Cardiff Wales Airport to United States is 2 as of March 2026.

How old do you have to be to fly from Cardiff Wales Airport to United States?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£242 Cheap Flights from Cardiff to the United States in 2026

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Find the cheapest flights from Cardiff to the United States

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:30 - 13:15

CWL

EWR

34h 45m

3 stops

17:20 - 21:20

EWR

CWL

23h 00m

2 stops

£493Multiple Airlines

Sat, 25 Apr - Sat, 2 May

23:30 - 22:30

CWL

JFK

28h 00m

2 stops

21:25 - 21:45

JFK

CWL

19h 20m

1 stop

£497Multiple Airlines

Wed, 15 Apr - Sun, 26 Apr

09:45 - 18:30

CWL

BOS

13h 45m

1 stop

16:35 - 16:45

BOS

CWL

19h 10m

1 stop

£568KLM

Wed, 22 Apr - Wed, 29 Apr

09:45 - 16:25

CWL

BOS

11h 40m

1 stop

20:25 - 16:45

BOS

CWL

15h 20m

1 stop

£571KLM

Wed, 22 Apr - Wed, 29 Apr

09:45 - 19:05

CWL

JFK

14h 20m

1 stop

18:15 - 09:15

JFK

CWL

10h 00m

1 stop

£575Virgin Atlantic

Wed, 15 Apr - Sat, 25 Apr

09:45 - 16:25

CWL

BOS

11h 40m

1 stop

16:35 - 16:45

BOS

CWL

19h 10m

1 stop

£578Air France

Wed, 6 May - Wed, 13 May

09:45 - 10:25

CWL

JFK

29h 40m

2 stops

10:30 - 09:15

JFK

CWL

17h 45m

2 stops

£578Virgin Atlantic

Wed, 15 Apr - Sat, 25 Apr

09:45 - 21:20

CWL

LGA

16h 35m

2 stops

13:00 - 09:15

LGA

CWL

15h 15m

2 stops

£608Delta

Mon, 27 Apr - Mon, 4 May

09:45 - 23:27

CWL

BOS

18h 42m

2 stops

12:30 - 09:15

BOS

CWL

15h 45m

2 stops

£608Delta

Wed, 22 Apr - Wed, 29 Apr

09:45 - 22:31

CWL

MDW

18h 46m

2 stops

17:59 - 17:05

MDW

CWL

17h 06m

2 stops

£931Air France

Wed, 1 Apr - Fri, 31 Jul

KLM flights from Cardiff to United States

Our best KLM deals on Cardiff to United States flight tickets

KLM

22 Apr

CWL09:45Cardiff Wales

13h 45m

1 stop

BOS18:30Boston Logan Intl

29 Apr

BOS16:35Boston Logan Intl

19h 10m

1 stop

CWL16:45Cardiff Wales

£568

KLM

22 Apr

CWL09:45Cardiff Wales

11h 40m

1 stop

BOS16:25Boston Logan Intl

29 Apr

BOS20:25Boston Logan Intl

15h 20m

1 stop

CWL16:45Cardiff Wales

£571

KLM

15 Apr

CWL09:45Cardiff Wales

13h 45m

1 stop

BOS18:30Boston Logan Intl

22 Apr

BOS16:35Boston Logan Intl

19h 10m

1 stop

CWL16:45Cardiff Wales

£584

British Airways flights from Cardiff to United States

Our best British Airways deals on Cardiff to United States flight tickets

British Airways

6 Jun

CWL12:00Cardiff Wales

56h 15m

2 stops

MCO15:15Orlando

20 Jun

MCO21:05Orlando

33h 25m

2 stops

CWL11:30Cardiff Wales

£855

British Airways

24 Apr

CWL12:00Cardiff Wales

36h 25m

2 stops

EWR19:25Newark

1 May

EWR21:25Newark

33h 05m

2 stops

CWL11:30Cardiff Wales

£898

British Airways

26 Apr

CWL12:00Cardiff Wales

37h 20m

2 stops

MIA20:20Miami

3 May

MIA17:00Miami

37h 30m

2 stops

CWL11:30Cardiff Wales

£926

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Sat 25/4

07:30-13:15

3 stops34h 45m

Newark

Sat 2/5

17:20-21:20

2 stops23h 00m

£493

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Wed 15/4

23:30-22:30

2 stops28h 00m

New York John F Kennedy Intl

Sun 26/4

21:25-21:45

1 stop19h 20m

£497

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 22/4

09:45-18:30

1 stop13h 45m

Boston Logan Intl

Wed 29/4

16:35-16:45

1 stop19h 10m

£568

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 22/4

09:45-16:25

1 stop11h 40m

Boston Logan Intl

Wed 29/4

20:25-16:45

1 stop15h 20m

£571

Fastest return journey

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Wed 15/4

09:45-19:05

1 stop14h 20m

New York John F Kennedy Intl

Sat 25/4

18:15-09:15

1 stop10h 00m

£575

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 6/5

09:45-16:25

1 stop11h 40m

Boston Logan Intl

Wed 13/5

16:35-16:45

1 stop19h 10m

£578

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Wed 15/4

09:45-10:25

2 stops29h 40m

New York John F Kennedy Intl

Sat 25/4

10:30-09:15

2 stops17h 45m

£578

CardiffNew York

CWL - LGA

CWLLGA

Cardiff Wales

Mon 27/4

09:45-21:20

2 stops16h 35m

New York LaGuardia

Mon 4/5

13:00-09:15

2 stops15h 15m

£608

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 22/4

09:45-23:27

2 stops18h 42m

Boston Logan Intl

Wed 29/4

12:30-09:15

2 stops15h 45m

£608

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Wed 1/4

09:45-22:31

2 stops18h 46m

Chicago Midway

Fri 31/7

17:59-17:05

2 stops17h 06m

£931

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cardiff to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to United States?

The month of September is, on average, the cheapest month to fly to United States from Cardiff, with most prices found around £432. If you are unable to visit United States during the month of September, then departing from Cardiff during the month February is also very affordable. Most momondo users find prices during this month for around £464.

Can stopping save me money on Cardiff to United States flights?

You could potentially save up to 36% on your flight if you consider stops on a Cardiff to United States flight.

Cheap Cardiff to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to United States

Fastest flight time	10h 45m
Direct flights	None

The fastest flight from Cardiff to United States takes 10h 45m

There are no direct flights from Cardiff to United States. There are no popular flight routes from Cardiff to United States.

Search flight deals

When did momondo last update prices for flights from Cardiff Wales Airport to United States?
Prices for flights from Cardiff Wales Airport to United States are refreshed on a daily basis.
How many operators does momondo search for flights from Cardiff Wales Airport to United States?
The number of operators available for flights from Cardiff Wales Airport to United States is 2 as of March 2026.
How old do you have to be to fly from Cardiff Wales Airport to United States?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Cardiff to United States

Compare and see reviews for airlines that fly from Cardiff to United States with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom £398	Free Cancellation	Rating 7.8 1,471 reviews		Search KLM flights
Virgin Atlantic	PriceFrom £440	Free Cancellation	Rating 7.5 680 reviews		Search Virgin Atlantic flights

Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to United States?

It is quick and easy to find Cardiff to United States flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United States that suits you.

Can I find flights from Cardiff to United States with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to United States from Cardiff with this policy.

How can momondo help me find flights from Cardiff to United States?

Once all potential Cardiff to United States flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Cardiff to United States right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to United States from Cardiff. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.