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Cheap flights from the United States to Cardiff from $335

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from the United States to Cardiff

Recent round-trip flight deals from the United States to Cardiff

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:20 pm - 7:50 amBOS  Boston Logan Intl-CWL Cardiff Wales
29h 30m1 stop Dublin
Multiple Airlines Logo
1:25 pm - 8:15 pmCWL  Cardiff Wales-BOS Boston Logan Intl
35h 50m2 stops Dublin Lisbon Humberto Delgado
$723Multiple Airlines
Thu, Dec 3 - Thu, Dec 10
Multiple Airlines Logo
5:00 pm - 8:10 amJFK  New York John F Kennedy Intl-CWL Cardiff Wales
10h 10m1 stop Dublin
Multiple Airlines Logo
8:35 am - 4:30 pmCWL  Cardiff Wales-JFK New York John F Kennedy Intl
12h 55m1 stop Dublin
$725Multiple Airlines
Sun, Nov 29 - Mon, Dec 14
Multiple Airlines Logo
5:00 pm - 8:10 amJFK  New York John F Kennedy Intl-CWL Cardiff Wales
10h 10m1 stop Dublin
Multiple Airlines Logo
8:35 am - 4:30 pmCWL  Cardiff Wales-JFK New York John F Kennedy Intl
12h 55m1 stop Dublin
$749Multiple Airlines
Sun, Nov 29 - Mon, Dec 14
Multiple Airlines Logo
7:25 pm - 8:10 amJFK  New York John F Kennedy Intl-CWL Cardiff Wales
31h 45m1 stop Dublin
Multiple Airlines Logo
1:25 pm - 11:30 amCWL  Cardiff Wales-JFK New York John F Kennedy Intl
27h 05m2 stops Dublin Amsterdam Schiphol
$804Multiple Airlines
Sat, Dec 12 - Thu, Jan 7
Multiple Airlines Logo
7:50 pm - 1:00 pmBOS  Boston Logan Intl-CWL Cardiff Wales
12h 10m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
1:25 pm - 2:15 pmCWL  Cardiff Wales-BOS Boston Logan Intl
29h 50m1 stop Dublin
$832Multiple Airlines
Wed, Jan 13 - Thu, Jan 21
Multiple Airlines Logo
5:15 pm - 3:40 pmBOS  Boston Logan Intl-CWL Cardiff Wales
17h 25m1 stop Dublin
Multiple Airlines Logo
1:25 pm - 2:15 pmCWL  Cardiff Wales-BOS Boston Logan Intl
29h 50m1 stop Dublin
$832Multiple Airlines
Thu, Jan 14 - Thu, Jan 21
Multiple Airlines Logo
5:15 pm - 8:10 amBOS  Boston Logan Intl-CWL Cardiff Wales
9h 55m1 stop Dublin
Multiple Airlines Logo
8:35 am - 6:25 pmCWL  Cardiff Wales-BOS Boston Logan Intl
38h 50m2 stops Dublin Madrid Barajas
$832Multiple Airlines
Sun, Jan 10 - Mon, Jan 18
Multiple Airlines Logo
5:15 pm - 8:10 amBOS  Boston Logan Intl-CWL Cardiff Wales
9h 55m1 stop Dublin
Multiple Airlines Logo
1:25 pm - 2:15 pmCWL  Cardiff Wales-BOS Boston Logan Intl
29h 50m1 stop Dublin
$838Multiple Airlines
Sun, Jan 10 - Thu, Jan 21
Delta Logo
6:00 am - 9:50 amSEA  Seattle/Tacoma Intl-CWL Cardiff Wales
19h 50m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Delta Logo
10:20 am - 4:53 pmCWL  Cardiff Wales-SEA Seattle/Tacoma Intl
37h 33m2 stops Amsterdam Schiphol Salt Lake City
$1,041Delta
Mon, Mar 8 - Mon, Mar 15
Delta Logo
10:40 pm - 4:45 pmATL  Atlanta Hartsfield-Jackson-CWL Cardiff Wales
13h 05m1 stop Amsterdam Schiphol
Delta Logo
9:50 am - 8:25 pmCWL  Cardiff Wales-ATL Atlanta Hartsfield-Jackson
15h 35m1 stop Amsterdam Schiphol
$1,079Delta
Sun, Apr 11 - Sat, Apr 17

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KLM flights from United States to Cardiff

Our best KLM deals on United States to Cardiff flight tickets
KLM
Mar 8
SEA2:35 pmSeattle/Tacoma Intl
18h 25m
1 stop
CWL5:00 pmCardiff Wales
Mar 15
CWL5:30 pmCardiff Wales
26h 05m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
$1,027
KLM
Mar 8
SEA7:15 amSeattle/Tacoma Intl
18h 35m
2 stops
CWL9:50 amCardiff Wales
Mar 15
CWL5:30 pmCardiff Wales
26h 05m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
$1,031
KLM
Feb 15
ORD3:50 pmChicago O'Hare Intl
19h 10m
2 stops
CWL5:00 pmCardiff Wales
Feb 21
CWL5:30 pmCardiff Wales
26h 55m
1 stop
ORD2:25 pmChicago O'Hare Intl
$1,072

Delta flights from United States to Cardiff

Our best Delta deals on United States to Cardiff flight tickets
Delta
Mar 8
SEA6:00 amSeattle/Tacoma Intl
19h 50m
2 stops
CWL9:50 amCardiff Wales
Mar 15
CWL10:20 amCardiff Wales
37h 33m
2 stops
SEA4:53 pmSeattle/Tacoma Intl
$1,041
Delta
Apr 11
ATL10:40 pmAtlanta Hartsfield-Jackson
13h 05m
1 stop
CWL4:45 pmCardiff Wales
Apr 17
CWL9:50 amCardiff Wales
15h 35m
1 stop
ATL8:25 pmAtlanta Hartsfield-Jackson
$1,079
Delta
Apr 11
ATL10:00 amAtlanta Hartsfield-Jackson
18h 15m
2 stops
CWL9:15 amCardiff Wales
Apr 17
CWL9:50 amCardiff Wales
15h 35m
1 stop
ATL8:25 pmAtlanta Hartsfield-Jackson
$1,084

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Thu 12/3

9:20 pm-7:50 am

1 stop29h 30m

Cardiff Wales

Thu 12/10

1:25 pm-8:15 pm

2 stops35h 50m

$723
Quickest round-trip

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Sun 11/29

5:00 pm-8:10 am

1 stop10h 10m

Cardiff Wales

Mon 12/14

8:35 am-4:30 pm

1 stop12h 55m

$725

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Sun 11/29

5:00 pm-8:10 am

1 stop10h 10m

Cardiff Wales

Mon 12/14

8:35 am-4:30 pm

1 stop12h 55m

$749

New YorkCardiff

JFK New York John F Kennedy Intl - CWL Cardiff Wales

JFKCWL

New York John F Kennedy Intl

Sat 12/12

7:25 pm-8:10 am

1 stop31h 45m

Cardiff Wales

Thu 1/7

1:25 pm-11:30 am

2 stops27h 05m

$804

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Wed 1/13

7:50 pm-1:00 pm

2 stops12h 10m

Cardiff Wales

Thu 1/21

1:25 pm-2:15 pm

1 stop29h 50m

$832

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Thu 1/14

5:15 pm-3:40 pm

1 stop17h 25m

Cardiff Wales

Thu 1/21

1:25 pm-2:15 pm

1 stop29h 50m

$832

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Sun 1/10

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Mon 1/18

8:35 am-6:25 pm

2 stops38h 50m

$832

BostonCardiff

BOS Boston Logan Intl - CWL Cardiff Wales

BOSCWL

Boston Logan Intl

Sun 1/10

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Thu 1/21

1:25 pm-2:15 pm

1 stop29h 50m

$838

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Mon 3/8

6:00 am-9:50 am

2 stops19h 50m

Cardiff Wales

Mon 3/15

10:20 am-4:53 pm

2 stops37h 33m

$1,041

AtlantaCardiff

ATL Atlanta Hartsfield-Jackson - CWL Cardiff Wales

ATLCWL

Atlanta Hartsfield-Jackson

Sun 4/11

10:40 pm-4:45 pm

1 stop13h 05m

Cardiff Wales

Sat 4/17

9:50 am-8:25 pm

1 stop15h 35m

$1,079

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from United States to Cardiff

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

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

You could potentially save up to 32% on your flight if you consider stops on a United States to Cardiff flight.

Cheap United States to Cardiff flight deals and tips

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

Best Price Found

$335

Fastest flight time

9h 20m

Direct flights

None
The best one-way flight to Cardiff from United States in the past 72 hours is $335. The best round-trip flight deal from United States to Cardiff found on momondo in the last 72 hours is $723.
The fastest flight from United States to Cardiff takes 9h 20m
There are no direct flights from United States to Cardiff. There are no popular flight routes from United States to Cardiff.
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Frequently asked questions about flying from the United States to Cardiff

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

    Prices for flights from United States to Cardiff Wales Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The travel and health documents required for your trip to Cardiff Wales Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cardiff Wales Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Cardiff?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Cardiff for you.

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

momondo does allow users to show only those flights to Cardiff from United States which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cardiff from United States.

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

If you are not ready to book a flight from United States to Cardiff now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cardiff and let you know when they change.

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