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Cheap flights from Connecticut to Cardiff from $257

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Connecticut to Cardiff departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Connecticut to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 9:45 pm
JFK
-
CWL
20h 15m
2 stops
Multiple Airlines Logo
11:15 pm - 10:05 pm
CWL
-
JFK
27h 50m
2 stops
$665Multiple Airlines
Sun, Aug 2 - Tue, Aug 18
Multiple Airlines Logo
4:55 pm - 6:55 am
JFK
-
CWL
9h 00m
1 stop
Multiple Airlines Logo
11:00 am - 10:25 pm
CWL
-
JFK
16h 25m
2 stops
$757Multiple Airlines
Fri, Sep 11 - Tue, Sep 29
Multiple Airlines Logo
9:25 pm - 10:50 pm
JFK
-
CWL
20h 25m
1 stop
Multiple Airlines Logo
11:15 pm - 3:55 pm
CWL
-
JFK
21h 40m
2 stops
$776Multiple Airlines
Mon, Aug 17 - Tue, Sep 1
Multiple Airlines Logo
9:25 pm - 10:25 pm
JFK
-
CWL
20h 00m
1 stop
Multiple Airlines Logo
11:50 pm - 3:55 pm
CWL
-
JFK
21h 05m
2 stops
$781Multiple Airlines
Wed, Aug 19 - Wed, Sep 2
Multiple Airlines Logo
5:35 pm - 10:20 pm
EWR
-
CWL
23h 45m
1 stop
Multiple Airlines Logo
9:45 pm - 10:00 pm
CWL
-
EWR
29h 15m
2 stops
$784Multiple Airlines
Thu, Jul 16 - Sun, Jul 26
Multiple Airlines Logo
9:25 pm - 10:50 pm
JFK
-
CWL
20h 25m
1 stop
Multiple Airlines Logo
10:25 pm - 3:55 pm
CWL
-
JFK
22h 30m
2 stops
$788Multiple Airlines
Mon, Aug 17 - Mon, Aug 31
Multiple Airlines Logo
9:25 pm - 10:50 pm
JFK
-
CWL
20h 25m
1 stop
Multiple Airlines Logo
10:25 pm - 3:55 pm
CWL
-
JFK
22h 30m
2 stops
$789Multiple Airlines
Tue, Aug 18 - Mon, Aug 31
Multiple Airlines Logo
4:55 pm - 6:55 am
JFK
-
CWL
9h 00m
1 stop
Multiple Airlines Logo
10:10 pm - 1:40 pm
CWL
-
JFK
20h 30m
1 stop
$798Multiple Airlines
Fri, Aug 14 - Mon, Aug 17
Delta Logo
2:54 pm - 4:45 pm
BDL
-
CWL
20h 51m
2 stops
Delta Logo
9:45 am - 4:28 pm
CWL
-
BDL
35h 43m
2 stops
$1,090Delta
Sun, Sep 6 - Tue, Sep 22
Delta Logo
5:06 pm - 4:45 pm
BDL
-
CWL
42h 39m
2 stops
Delta Logo
9:45 am - 11:13 pm
CWL
-
BDL
18h 28m
2 stops
$1,097Delta
Sat, Sep 5 - Tue, Sep 22

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KLM flights from Connecticut to Cardiff

Our best KLM deals on Connecticut to Cardiff flight tickets
KLM
Aug 19
JFK7:10 pmNew York John F Kennedy Intl
16h 35m
1 stop
CWL4:45 pmCardiff Wales
Aug 31
CWL5:15 pmCardiff Wales
31h 00m
1 stop
JFK7:15 pmNew York John F Kennedy Intl
$1,046
KLM
Aug 19
JFK7:10 pmNew York John F Kennedy Intl
16h 35m
1 stop
CWL4:45 pmCardiff Wales
Aug 31
CWL5:15 pmCardiff Wales
31h 00m
1 stop
JFK7:15 pmNew York John F Kennedy Intl
$1,054
KLM
Sep 1
JFK4:40 pmNew York John F Kennedy Intl
19h 05m
1 stop
CWL4:45 pmCardiff Wales
Sep 9
CWL9:45 amCardiff Wales
31h 47m
1 stop
JFK12:32 pmNew York John F Kennedy Intl
$1,094

Delta flights from Connecticut to Cardiff

Our best Delta deals on Connecticut to Cardiff flight tickets
Delta
Aug 17
JFK6:25 pmNew York John F Kennedy Intl
9h 50m
1 stop
CWL9:15 amCardiff Wales
Aug 31
CWL9:45 amCardiff Wales
31h 47m
1 stop
JFK12:32 pmNew York John F Kennedy Intl
$1,084
Delta
Aug 17
LGA2:00 pmNew York LaGuardia
14h 15m
2 stops
CWL9:15 amCardiff Wales
Sep 2
CWL9:45 amCardiff Wales
15h 45m
2 stops
LGA8:30 pmNew York LaGuardia
$1,089
Delta
Sep 6
BDL10:00 amHartford Bradley Intl
25h 45m
2 stops
CWL4:45 pmCardiff Wales
Sep 24
CWL9:45 amCardiff Wales
19h 13m
2 stops
BDL11:58 pmHartford Bradley Intl
$1,090

momondo Fare Finder

 
Customize your flight search to find flights from Connecticut 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, momondo users made 832,500 searches. Data last updated June 20, 2026.
Use the filters below to find and compare flights from Connecticut to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sun 8/2

8:30 pm-9:45 pm

2 stops20h 15m

Cardiff Wales

Tue 8/18

11:15 pm-10:05 pm

2 stops27h 50m

$665
Quickest round-trip

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Fri 9/11

4:55 pm-6:55 am

1 stop9h 00m

Cardiff Wales

Tue 9/29

11:00 am-10:25 pm

2 stops16h 25m

$757

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 8/17

9:25 pm-10:50 pm

1 stop20h 25m

Cardiff Wales

Tue 9/1

11:15 pm-3:55 pm

2 stops21h 40m

$776

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 8/19

9:25 pm-10:25 pm

1 stop20h 00m

Cardiff Wales

Wed 9/2

11:50 pm-3:55 pm

2 stops21h 05m

$781

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Thu 7/16

5:35 pm-10:20 pm

1 stop23h 45m

Cardiff Wales

Sun 7/26

9:45 pm-10:00 pm

2 stops29h 15m

$784

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 8/17

9:25 pm-10:50 pm

1 stop20h 25m

Cardiff Wales

Mon 8/31

10:25 pm-3:55 pm

2 stops22h 30m

$788

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Tue 8/18

9:25 pm-10:50 pm

1 stop20h 25m

Cardiff Wales

Mon 8/31

10:25 pm-3:55 pm

2 stops22h 30m

$789

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Fri 8/14

4:55 pm-6:55 am

1 stop9h 00m

Cardiff Wales

Mon 8/17

10:10 pm-1:40 pm

1 stop20h 30m

$798

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Sun 9/6

2:54 pm-4:45 pm

2 stops20h 51m

Cardiff Wales

Tue 9/22

9:45 am-4:28 pm

2 stops35h 43m

$1,090

HartfordCardiff

BDL - CWL

BDLCWL

Hartford Bradley Intl

Sat 9/5

5:06 pm-4:45 pm

2 stops42h 39m

Cardiff Wales

Tue 9/22

9:45 am-11:13 pm

2 stops18h 28m

$1,097

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Cheap Connecticut to Cardiff flight deals and tips

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

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from Connecticut to Cardiff takes 14h 30m
There are no direct flights from Connecticut to Cardiff. There are no popular flight routes from Connecticut to Cardiff.
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Frequently asked questions about flying from Connecticut to Cardiff

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

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

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

    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 Connecticut to Cardiff Wales Airport.

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

    The travel and health documents you'll need for your trip to Cardiff Wales Airport 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 Cardiff Wales Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Connecticut to Cardiff

  • How do I get Price Alerts for flights from Connecticut to Cardiff?

    Price Alerts will notify you by email when the price for flights to Cardiff from Connecticut decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Connecticut to Cardiff with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Connecticut to Cardiff. momondo saves you time and could save you money on your trip.

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

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

How can momondo help me find flights from Connecticut to Cardiff?

momondo helps you find the best flight between Connecticut and Cardiff by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Connecticut 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.

An easier way to manage your Cardiff trip

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Mon 7/20
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Find better results for your trip to the United Kingdom

Cabin classes currently available on flights to Cardiff

List of cabin classes available on flights landing in Cardiff. Availability may vary depending on flight origin and airline.
First Class to Cardiff
Business Class to Cardiff