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Cheap flights from Chicago O'Hare Intl Airport to Cardiff from $590

This is the cheapest round-trip 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 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
6:30 pm - 7:40 pm
ORD
-
CWL
19h 10m2 stops
Multiple Airlines Logo
10:25 pm - 5:20 pm
CWL
-
ORD
24h 55m2 stops
$590Multiple Airlines
Fri, Jan 9 - Fri, Jan 16
Delta Logo
4:25 pm - 4:55 pm
ORD
-
CWL
18h 30m1 stop
Delta Logo
10:20 am - 2:20 pm
CWL
-
ORD
34h 00m1 stop
$801Delta
Fri, Jan 23 - Tue, Jan 27
Delta Logo
7:01 am - 9:50 am
ORD
-
CWL
20h 49m2 stops
Delta Logo
10:20 am - 2:20 pm
CWL
-
ORD
34h 00m1 stop
$806Delta
Fri, Jan 23 - Tue, Jan 27
KLM Logo
4:25 pm - 4:55 pm
ORD
-
CWL
18h 30m1 stop
KLM Logo
10:20 am - 9:35 pm
CWL
-
ORD
17h 15m2 stops
$812KLM
Fri, Jan 9 - Fri, Jan 16
Delta Logo
10:29 am - 9:50 am
ORD
-
CWL
17h 21m2 stops
Delta Logo
10:20 am - 9:35 pm
CWL
-
ORD
17h 15m2 stops
$816Delta
Fri, Jan 23 - Tue, Jan 27
Multiple Airlines Logo
2:00 pm - 9:55 pm
ORD
-
CWL
25h 55m2 stops
Multiple Airlines Logo
11:15 pm - 6:15 pm
CWL
-
ORD
25h 00m2 stops
$819Multiple Airlines
Thu, Apr 30 - Tue, May 5
KLM Logo
4:20 pm - 9:15 am
ORD
-
CWL
10h 55m1 stop
KLM Logo
9:45 am - 7:43 pm
CWL
-
ORD
15h 58m2 stops
$826KLM
Thu, Apr 30 - Tue, May 5
Multiple Airlines Logo
8:40 am - 9:55 pm
ORD
-
CWL
31h 15m3 stops
Multiple Airlines Logo
11:15 pm - 6:15 pm
CWL
-
ORD
25h 00m2 stops
$829Multiple Airlines
Thu, Apr 30 - Tue, May 5
KLM Logo
4:25 pm - 4:55 pm
ORD
-
CWL
18h 30m1 stop
KLM Logo
5:15 pm - 2:20 pm
CWL
-
ORD
27h 05m1 stop
$851KLM
Fri, Jan 9 - Fri, Jan 16
KLM Logo
4:25 pm - 9:50 am
ORD
-
CWL
11h 25m1 stop
KLM Logo
10:15 am - 9:35 pm
CWL
-
ORD
17h 20m2 stops
$861KLM
Fri, Jan 9 - Sun, Jan 18

Delta flights from Chicago O'Hare Intl Airport to Cardiff

Our best Delta deals on Chicago O'Hare Intl Airport to Cardiff flight tickets
Delta
Jan 23
ORD4:25 pmChicago O'Hare Intl
18h 30m
1 stop
CWL4:55 pmCardiff Wales
Jan 27
CWL10:20 amCardiff Wales
34h 00m
1 stop
ORD2:20 pmChicago O'Hare Intl
$801
Find similar
Delta
Jan 23
ORD7:01 amChicago O'Hare Intl
20h 49m
2 stops
CWL9:50 amCardiff Wales
Jan 27
CWL10:20 amCardiff Wales
34h 00m
1 stop
ORD2:20 pmChicago O'Hare Intl
$806
Find similar
Delta
Jan 23
ORD10:29 amChicago O'Hare Intl
17h 21m
2 stops
CWL9:50 amCardiff Wales
Jan 27
CWL10:20 amCardiff Wales
17h 15m
2 stops
ORD9:35 pmChicago O'Hare Intl
$816
Find similar

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
Jan 9
ORD4:25 pmChicago O'Hare Intl
18h 30m
1 stop
CWL4:55 pmCardiff Wales
Jan 16
CWL10:20 amCardiff Wales
17h 15m
2 stops
ORD9:35 pmChicago O'Hare Intl
$812
Find similar
KLM
Apr 30
ORD4:20 pmChicago O'Hare Intl
10h 55m
1 stop
CWL9:15 amCardiff Wales
May 5
CWL9:45 amCardiff Wales
15h 58m
2 stops
ORD7:43 pmChicago O'Hare Intl
$826
Find similar
KLM
Jan 9
ORD4:25 pmChicago O'Hare Intl
18h 30m
1 stop
CWL4:55 pmCardiff Wales
Jan 16
CWL5:15 pmCardiff Wales
27h 05m
1 stop
ORD2:20 pmChicago O'Hare Intl
$851
Find similar

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 December 4, 2025.
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

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 1/9

6:30 pm-7:40 pm

2 stops19h 10m

Cardiff Wales

Fri 1/16

10:25 pm-5:20 pm

2 stops24h 55m

$590

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 1/23

4:25 pm-4:55 pm

1 stop18h 30m

Cardiff Wales

Tue 1/27

10:20 am-2:20 pm

1 stop34h 00m

$801

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 1/23

7:01 am-9:50 am

2 stops20h 49m

Cardiff Wales

Tue 1/27

10:20 am-2:20 pm

1 stop34h 00m

$806

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 1/9

4:25 pm-4:55 pm

1 stop18h 30m

Cardiff Wales

Fri 1/16

10:20 am-9:35 pm

2 stops17h 15m

$812

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 1/23

10:29 am-9:50 am

2 stops17h 21m

Cardiff Wales

Tue 1/27

10:20 am-9:35 pm

2 stops17h 15m

$816

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 4/30

2:00 pm-9:55 pm

2 stops25h 55m

Cardiff Wales

Tue 5/5

11:15 pm-6:15 pm

2 stops25h 00m

$819

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 4/30

4:20 pm-9:15 am

1 stop10h 55m

Cardiff Wales

Tue 5/5

9:45 am-7:43 pm

2 stops15h 58m

$826

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 4/30

8:40 am-9:55 pm

3 stops31h 15m

Cardiff Wales

Tue 5/5

11:15 pm-6:15 pm

2 stops25h 00m

$829

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 1/9

4:25 pm-4:55 pm

1 stop18h 30m

Cardiff Wales

Fri 1/16

5:15 pm-2:20 pm

1 stop27h 05m

$851

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 1/9

4:25 pm-9:50 am

1 stop11h 25m

Cardiff Wales

Sun 1/18

10:15 am-9:35 pm

2 stops17h 20m

$861

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Cardiff?

The cheapest day to depart on your flight to Cardiff is on a Wednesday when prices can be found for as low as $873. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,500. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cardiff.

What is the cheapest time of day to depart on your flight to Cardiff?

Flying to Cardiff from Chicago O'Hare Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,011 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,403 on average. Flights to Cardiff from Chicago O'Hare Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

17h 40m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Cardiff takes 17h 40m
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

  • 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 10h 55m 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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