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Cheap flights from Chicago O'Hare Intl Airport to Cardiff from $874

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 9/27. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Cardiff (ORD-CWL)

Cheap round-trip flights

KLM Logo
4:15 pm - 9:15 amORD-CWL
11h 00m1 stop
KLM Logo
5:15 pm - 2:10 pmCWL-ORD
26h 55m1 stop
$874KLM
Find Deal
Sat, Sep 27 - Mon, Oct 13
KLM Logo
11:15 am - 9:15 amORD-CWL
16h 00m2 stops
KLM Logo
5:15 pm - 2:10 pmCWL-ORD
26h 55m1 stop
$879KLM
Find Deal
Sat, Sep 27 - Mon, Oct 13
KLM Logo
1:16 pm - 9:50 amORD-CWL
14h 34m2 stops
KLM Logo
10:20 am - 2:20 pmCWL-ORD
34h 00m1 stop
$888KLM
Find Deal
Thu, Nov 13 - Tue, Nov 18
KLM Logo
1:30 pm - 9:50 amORD-CWL
14h 20m2 stops
KLM Logo
10:20 am - 9:31 pmCWL-ORD
17h 11m2 stops
$898KLM
Find Deal
Thu, Nov 13 - Tue, Nov 18
Virgin Atlantic Logo
6:20 pm - 4:45 pmORD-CWL
40h 25m2 stops
Virgin Atlantic Logo
5:35 pm - 2:10 pmCWL-ORD
26h 35m1 stop
$916Virgin Atlantic
Find Deal
Sat, Sep 20 - Sat, Sep 27
Logo
3:45 pm - 10:35 amORD-CWL
12h 50m1 stop
Logo
9:00 am - 7:00 pmCWL-ORD
16h 00m1 stop
$923
Find Deal
Sat, Sep 20 - Sat, Sep 27
Delta Logo
4:15 pm - 9:15 amORD-CWL
11h 00m1 stop
Delta Logo
9:45 am - 9:40 pmCWL-ORD
17h 55m2 stops
$934Delta
Find Deal
Thu, Sep 11 - Sat, Sep 20
Delta Logo
4:15 pm - 9:15 amORD-CWL
11h 00m1 stop
Delta Logo
9:45 am - 9:40 pmCWL-ORD
17h 55m2 stops
$935Delta
Find Deal
Thu, Sep 11 - Sat, Sep 20
Logo
9:55 am - 9:15 amORD-CWL
41h 20m3 stops
Logo
9:45 am - 9:40 amCWL-ORD
29h 55m3 stops
$1,221
Find Deal
Sat, Sep 20 - Sat, Sep 27
Aer Lingus Logo
4:55 pm - 11:30 amORD-CWL
36h 35m2 stops
Aer Lingus Logo
12:00 pm - 6:15 pmCWL-ORD
36h 15m2 stops
$1,292Aer Lingus
Find Deal
Sat, Sep 27 - Mon, Oct 13

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
Sep 27
ORD4:15 pmChicago O'Hare Intl
11h 00m
1 stop
CWL9:15 amCardiff Wales
Oct 13
CWL5:15 pmCardiff Wales
26h 55m
1 stop
ORD2:10 pmChicago O'Hare Intl
$874
Find similar
KLM
Sep 27
ORD11:15 amChicago O'Hare Intl
16h 00m
2 stops
CWL9:15 amCardiff Wales
Oct 13
CWL5:15 pmCardiff Wales
26h 55m
1 stop
ORD2:10 pmChicago O'Hare Intl
$879
Find similar
KLM
Nov 13
ORD1:16 pmChicago O'Hare Intl
14h 34m
2 stops
CWL9:50 amCardiff Wales
Nov 18
CWL10:20 amCardiff Wales
34h 00m
1 stop
ORD2:20 pmChicago O'Hare Intl
$888
Find similar

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
Sep 11
ORD4:15 pmChicago O'Hare Intl
11h 00m
1 stop
CWL9:15 amCardiff Wales
Sep 20
CWL9:45 amCardiff Wales
17h 55m
2 stops
ORD9:40 pmChicago O'Hare Intl
$934
Find similar
Delta
Sep 11
ORD4:15 pmChicago O'Hare Intl
11h 00m
1 stop
CWL9:15 amCardiff Wales
Sep 20
CWL9:45 amCardiff Wales
17h 55m
2 stops
ORD9:40 pmChicago O'Hare Intl
$935
Find similar
Delta
Sep 11
ORD7:00 amChicago O'Hare Intl
20h 15m
2 stops
CWL9:15 amCardiff Wales
Sep 20
CWL9:45 amCardiff Wales
17h 55m
2 stops
ORD9:40 pmChicago O'Hare Intl
$939
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 August 7, 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

Sat 9/27

4:15 pm-9:15 am

1 stop11h 00m

Cardiff Wales

Mon 10/13

5:15 pm-2:10 pm

1 stop26h 55m

$874

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 9/27

11:15 am-9:15 am

2 stops16h 00m

Cardiff Wales

Mon 10/13

5:15 pm-2:10 pm

1 stop26h 55m

$879

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 11/13

1:16 pm-9:50 am

2 stops14h 34m

Cardiff Wales

Tue 11/18

10:20 am-2:20 pm

1 stop34h 00m

$888

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 11/13

1:30 pm-9:50 am

2 stops14h 20m

Cardiff Wales

Tue 11/18

10:20 am-9:31 pm

2 stops17h 11m

$898

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 9/20

6:20 pm-4:45 pm

2 stops40h 25m

Cardiff Wales

Sat 9/27

5:35 pm-2:10 pm

1 stop26h 35m

$916

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 9/20

3:45 pm-10:35 am

1 stop12h 50m

Cardiff Wales

Sat 9/27

9:00 am-7:00 pm

1 stop16h 00m

$923

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 9/11

4:15 pm-9:15 am

1 stop11h 00m

Cardiff Wales

Sat 9/20

9:45 am-9:40 pm

2 stops17h 55m

$934

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 9/11

4:15 pm-9:15 am

1 stop11h 00m

Cardiff Wales

Sat 9/20

9:45 am-9:40 pm

2 stops17h 55m

$935

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 9/20

9:55 am-9:15 am

3 stops41h 20m

Cardiff Wales

Sat 9/27

9:45 am-9:40 am

3 stops29h 55m

$1,221

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 9/27

4:55 pm-11:30 am

2 stops36h 35m

Cardiff Wales

Mon 10/13

12:00 pm-6:15 pm

2 stops36h 15m

$1,292

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

Best Price Found

$874

Fastest flight time

10h 55m

Direct flights

None

Airports in Cardiff

1 airport
The best flight deal from Chicago O'Hare Intl Airport to Cardiff found on momondo in the last 72 hours is $874
The fastest flight from Chicago O'Hare Intl Airport to Cardiff takes 10h 55m
There are no direct flights from Chicago O'Hare Intl Airport to Cardiff. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Cardiff Wales Airport.
There is 1 airport near Cardiff: Cardiff Wales (CWL)
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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