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Cheap flights from Chicago O'Hare Intl Airport to Cardiff from $319

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Cardiff departing on 4/26. 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

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Find the cheapest flights from Chicago O'Hare Intl Airport to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:25 pm - 11:25 pm
ORD
-
CWL
22h 00m
2 stops
Multiple Airlines Logo
11:15 pm - 6:15 pm
CWL
-
ORD
25h 00m
2 stops
$744Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
9:00 pm - 11:25 pm
ORD
-
CWL
20h 25m
1 stop
Multiple Airlines Logo
11:15 pm - 2:00 pm
CWL
-
ORD
20h 45m
1 stop
$894Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
7:25 pm - 11:25 pm
ORD
-
CWL
22h 00m
2 stops
Multiple Airlines Logo
11:15 pm - 10:03 pm
CWL
-
ORD
28h 48m
3 stops
$981Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
9:00 pm - 11:05 pm
ORD
-
CWL
20h 05m
1 stop
Multiple Airlines Logo
4:15 pm - 7:15 pm
CWL
-
ORD
33h 00m
2 stops
$1,008Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
6:00 am - 10:15 am
ORD
-
CWL
22h 15m
2 stops
Multiple Airlines Logo
11:50 pm - 2:00 pm
CWL
-
ORD
20h 10m
1 stop
$1,035Multiple Airlines
Wed, Aug 26 - Wed, Sep 9
Multiple Airlines Logo
9:00 pm - 10:25 pm
ORD
-
CWL
19h 25m
1 stop
Multiple Airlines Logo
9:45 pm - 2:00 pm
CWL
-
ORD
22h 15m
1 stop
$1,047Multiple Airlines
Wed, Aug 26 - Sun, Sep 6
KLM Logo
4:50 pm - 4:45 pm
ORD
-
CWL
17h 55m
1 stop
KLM Logo
5:15 pm - 2:15 pm
CWL
-
ORD
27h 00m
1 stop
$1,049KLM
Wed, Aug 26 - Wed, Sep 9
KLM Logo
11:30 am - 9:15 am
ORD
-
CWL
15h 45m
2 stops
KLM Logo
9:45 am - 11:57 pm
CWL
-
ORD
20h 12m
2 stops
$1,063KLM
Wed, Aug 26 - Wed, Sep 9
Virgin Atlantic Logo
2:00 pm - 4:45 pm
ORD
-
CWL
20h 45m
2 stops
Virgin Atlantic Logo
9:45 am - 10:27 pm
CWL
-
ORD
18h 42m
2 stops
$1,067Virgin Atlantic
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
10:31 am - 11:25 pm
ORD
-
CWL
30h 54m
3 stops
Multiple Airlines Logo
11:15 pm - 10:03 pm
CWL
-
ORD
28h 48m
3 stops
$1,079Multiple Airlines
Tue, Apr 21 - Tue, Apr 28

KLM flights from Chicago O'Hare Intl Airport to Cardiff

Our best KLM deals on Chicago O'Hare Intl Airport to Cardiff flight tickets
KLM
Aug 26
ORD4:50 pmChicago O'Hare Intl
17h 55m
1 stop
CWL4:45 pmCardiff Wales
Sep 9
CWL5:15 pmCardiff Wales
27h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,049
KLM
Aug 26
ORD11:30 amChicago O'Hare Intl
15h 45m
2 stops
CWL9:15 amCardiff Wales
Sep 9
CWL9:45 amCardiff Wales
20h 12m
2 stops
ORD11:57 pmChicago O'Hare Intl
$1,063
KLM
May 11
ORD4:50 pmChicago O'Hare Intl
17h 55m
1 stop
CWL4:45 pmCardiff Wales
May 18
CWL5:15 pmCardiff Wales
27h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,076

WestJet flights from Chicago O'Hare Intl Airport to Cardiff

Our best WestJet deals on Chicago O'Hare Intl Airport to Cardiff flight tickets
WestJet
May 27
ORD5:30 pmChicago O'Hare Intl
58h 45m
2 stops
CWL10:15 amCardiff Wales
Aug 4
CWL11:35 amCardiff Wales
59h 05m
2 stops
ORD4:40 pmChicago O'Hare Intl
$1,581
WestJet
May 27
ORD5:30 pmChicago O'Hare Intl
58h 45m
2 stops
CWL10:15 amCardiff Wales
Aug 3
CWL11:35 amCardiff Wales
59h 05m
2 stops
ORD4:40 pmChicago O'Hare Intl
$1,683
WestJet
May 30
ORD5:30 pmChicago O'Hare Intl
34h 45m
2 stops
CWL10:15 amCardiff Wales
Aug 3
CWL11:35 amCardiff Wales
59h 05m
2 stops
ORD4:40 pmChicago O'Hare Intl
$1,784

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 April 1, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 4/21

7:25 pm-11:25 pm

2 stops22h 00m

Cardiff Wales

Tue 4/28

11:15 pm-6:15 pm

2 stops25h 00m

$744

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 4/21

9:00 pm-11:25 pm

1 stop20h 25m

Cardiff Wales

Tue 4/28

11:15 pm-2:00 pm

1 stop20h 45m

$894

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 4/21

7:25 pm-11:25 pm

2 stops22h 00m

Cardiff Wales

Tue 4/28

11:15 pm-10:03 pm

3 stops28h 48m

$981

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 5/12

9:00 pm-11:05 pm

1 stop20h 05m

Cardiff Wales

Tue 5/19

4:15 pm-7:15 pm

2 stops33h 00m

$1,008

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 8/26

6:00 am-10:15 am

2 stops22h 15m

Cardiff Wales

Wed 9/9

11:50 pm-2:00 pm

1 stop20h 10m

$1,035

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 8/26

9:00 pm-10:25 pm

1 stop19h 25m

Cardiff Wales

Sun 9/6

9:45 pm-2:00 pm

1 stop22h 15m

$1,047

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 8/26

4:50 pm-4:45 pm

1 stop17h 55m

Cardiff Wales

Wed 9/9

5:15 pm-2:15 pm

1 stop27h 00m

$1,049
Quickest round-trip

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 8/26

11:30 am-9:15 am

2 stops15h 45m

Cardiff Wales

Wed 9/9

9:45 am-11:57 pm

2 stops20h 12m

$1,063

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 5/12

2:00 pm-4:45 pm

2 stops20h 45m

Cardiff Wales

Tue 5/19

9:45 am-10:27 pm

2 stops18h 42m

$1,067

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 4/21

10:31 am-11:25 pm

3 stops30h 54m

Cardiff Wales

Tue 4/28

11:15 pm-10:03 pm

3 stops28h 48m

$1,079

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cardiff from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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

What is the cheapest airline that flies from Chicago O'Hare Intl to Cardiff Wales?

KLM and Delta are the most popular carriers operating from Chicago O'Hare Intl to Cardiff Wales

When to book flights from Chicago O'Hare Intl Airport to Cardiff

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Cardiff according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Cardiff (ORD to CWL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Cardiff

Fastest flight time

14h 48m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Cardiff takes 14h 48m
There are no direct flights from Chicago O'Hare Intl Airport to Cardiff. There are no popular flight routes from Chicago O'Hare Intl Airport to Cardiff.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Cardiff

  • How far is Chicago O'Hare Intl to Cardiff Wales by plane?

    There are 3834.5 mi between Chicago O'Hare Intl and Cardiff Wales. Typically, this will take 14h 48m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Cardiff Wales Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Cardiff Wales Airport are updated daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Cardiff Wales Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport 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.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Cardiff. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential Chicago to Cardiff 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 Chicago to Cardiff right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Cardiff flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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