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Cheap flights from Chicago O'Hare Intl Airport to Cardiff from $787

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 3/17. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
1:35 pm - 4:55 pmORD-CWL
22h 20m2 stops
Virgin Atlantic Logo
5:25 pm - 3:20 pmCWL-ORD
26h 55m1 stop
$787Virgin Atlantic
Find Deal
Tue, Mar 17 - Thu, Mar 26
KLM Logo
1:25 pm - 9:50 amORD-CWL
15h 25m2 stops
KLM Logo
5:25 pm - 2:20 pmCWL-ORD
26h 55m1 stop
$788KLM
Find Deal
Tue, Oct 28 - Tue, Nov 4
Delta Logo
4:25 pm - 4:55 pmORD-CWL
18h 30m1 stop
Delta Logo
10:20 am - 8:38 pmCWL-ORD
16h 18m2 stops
$793Delta
Find Deal
Mon, Feb 16 - Wed, Feb 25
Delta Logo
10:10 am - 9:50 amORD-CWL
17h 40m2 stops
Delta Logo
10:20 am - 8:38 pmCWL-ORD
16h 18m2 stops
$797Delta
Find Deal
Mon, Feb 16 - Wed, Feb 25
Delta Logo
10:36 am - 9:50 amORD-CWL
17h 14m2 stops
Delta Logo
10:20 am - 2:20 pmCWL-ORD
34h 00m1 stop
$798Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
10:36 am - 9:50 amORD-CWL
17h 14m2 stops
Delta Logo
10:20 am - 9:39 pmCWL-ORD
17h 19m2 stops
$808Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Multiple Airlines Logo
4:45 pm - 3:30 pmORD-CWL
17h 45m1 stop
Multiple Airlines Logo
10:30 am - 6:55 pmCWL-ORD
13h 25m1 stop
$1,055Multiple Airlines
Find Deal
Tue, Mar 17 - Thu, Mar 26
Delta Logo
7:00 am - 9:50 amORD-CWL
21h 50m2 stops
Delta Logo
10:20 am - 8:38 pmCWL-ORD
15h 18m2 stops
$1,106Delta
Find Deal
Tue, Mar 17 - Thu, Mar 26
Multiple Airlines Logo
9:55 am - 9:55 pmORD-CWL
30h 00m3 stops
Multiple Airlines Logo
11:00 am - 11:05 amCWL-ORD
29h 05m2 stops
$1,112Multiple Airlines
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Sat, Oct 25 - Tue, Oct 28
Multiple Airlines Logo
3:55 pm - 3:30 pmORD-CWL
18h 35m2 stops
Multiple Airlines Logo
10:30 am - 4:00 pmCWL-ORD
34h 30m3 stops
$1,166Multiple Airlines
Find Deal
Tue, Mar 17 - Thu, Mar 26

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
Oct 28
ORD1:25 pmChicago O'Hare Intl
15h 25m
2 stops
CWL9:50 amCardiff Wales
Nov 4
CWL5:25 pmCardiff Wales
26h 55m
1 stop
ORD2:20 pmChicago O'Hare Intl
$788
Find similar
KLM
Oct 25
ORD4:15 pmChicago O'Hare Intl
12h 35m
1 stop
CWL10:50 amCardiff Wales
Oct 28
CWL5:25 pmCardiff Wales
26h 55m
1 stop
ORD3:20 pmChicago O'Hare Intl
$1,894
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
Feb 16
ORD4:25 pmChicago O'Hare Intl
18h 30m
1 stop
CWL4:55 pmCardiff Wales
Feb 25
CWL10:20 amCardiff Wales
16h 18m
2 stops
ORD8:38 pmChicago O'Hare Intl
$793
Find similar
Delta
Feb 16
ORD10:10 amChicago O'Hare Intl
17h 40m
2 stops
CWL9:50 amCardiff Wales
Feb 25
CWL10:20 amCardiff Wales
16h 18m
2 stops
ORD8:38 pmChicago O'Hare Intl
$797
Find similar
Delta
Dec 3
ORD10:36 amChicago O'Hare Intl
17h 14m
2 stops
CWL9:50 amCardiff Wales
Dec 7
CWL10:20 amCardiff Wales
34h 00m
1 stop
ORD2:20 pmChicago O'Hare Intl
$798
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 October 14, 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

Tue 3/17

1:35 pm-4:55 pm

2 stops22h 20m

Cardiff Wales

Thu 3/26

5:25 pm-3:20 pm

1 stop26h 55m

$787

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 10/28

1:25 pm-9:50 am

2 stops15h 25m

Cardiff Wales

Tue 11/4

5:25 pm-2:20 pm

1 stop26h 55m

$788

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 2/16

4:25 pm-4:55 pm

1 stop18h 30m

Cardiff Wales

Wed 2/25

10:20 am-8:38 pm

2 stops16h 18m

$793

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 2/16

10:10 am-9:50 am

2 stops17h 40m

Cardiff Wales

Wed 2/25

10:20 am-8:38 pm

2 stops16h 18m

$797

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 12/3

10:36 am-9:50 am

2 stops17h 14m

Cardiff Wales

Sun 12/7

10:20 am-2:20 pm

1 stop34h 00m

$798

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 12/3

10:36 am-9:50 am

2 stops17h 14m

Cardiff Wales

Sun 12/7

10:20 am-9:39 pm

2 stops17h 19m

$808

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 3/17

4:45 pm-3:30 pm

1 stop17h 45m

Cardiff Wales

Thu 3/26

10:30 am-6:55 pm

1 stop13h 25m

$1,055

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 3/17

7:00 am-9:50 am

2 stops21h 50m

Cardiff Wales

Thu 3/26

10:20 am-8:38 pm

2 stops15h 18m

$1,106

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 10/25

9:55 am-9:55 pm

3 stops30h 00m

Cardiff Wales

Tue 10/28

11:00 am-11:05 am

2 stops29h 05m

$1,112

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 3/17

3:55 pm-3:30 pm

2 stops18h 35m

Cardiff Wales

Thu 3/26

10:30 am-4:00 pm

3 stops34h 30m

$1,166

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

Direct flights

None
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.
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  • 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 12h 35m 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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