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Cheap flights from Cardiff to Chicago from $674

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Chicago departing on 2/13. 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
0 bags

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Find the cheapest flights from Cardiff to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
5:15 pm - 2:15 pm
CWL
-
ORD
27h 00m
1 stop
KLM Logo
4:20 pm - 9:15 am
ORD
-
CWL
10h 55m
1 stop
$935KLM
Mon, Jun 22 - Tue, Jul 7
KLM Logo
5:15 pm - 2:15 pm
CWL
-
ORD
27h 00m
1 stop
KLM Logo
4:50 pm - 4:45 pm
ORD
-
CWL
17h 55m
1 stop
$988KLM
Mon, Jun 22 - Mon, Jul 6
Multiple Airlines Logo
10:30 am - 4:25 pm
CWL
-
ORD
34h 55m
2 stops
Multiple Airlines Logo
8:40 pm - 10:00 pm
ORD
-
CWL
20h 20m
1 stop
$1,004Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
KLM Logo
5:15 pm - 2:15 pm
CWL
-
ORD
27h 00m
1 stop
KLM Logo
1:30 pm - 9:15 am
ORD
-
CWL
13h 45m
2 stops
$1,047KLM
Mon, Jun 22 - Mon, Jul 6
Multiple Airlines Logo
9:45 am - 9:16 pm
CWL
-
ORD
17h 31m
2 stops
Multiple Airlines Logo
4:50 pm - 4:45 pm
ORD
-
CWL
17h 55m
1 stop
$1,052Multiple Airlines
Mon, Jun 22 - Mon, Jul 6
Delta Logo
10:20 am - 9:49 pm
CWL
-
ORD
16h 29m
2 stops
Delta Logo
9:50 am - 9:50 am
ORD
-
CWL
19h 00m
2 stops
$1,072Delta
Thu, Mar 19 - Thu, Mar 26
Air France Logo
9:45 am - 9:16 pm
CWL
-
ORD
17h 31m
2 stops
Air France Logo
6:10 pm - 4:45 pm
ORD
-
CWL
16h 35m
2 stops
$1,165Air France
Mon, Jun 22 - Tue, Jul 7
Multiple Airlines Logo
10:30 am - 3:00 pm
CWL
-
ORD
33h 30m
1 stop
Multiple Airlines Logo
8:40 pm - 10:00 pm
ORD
-
CWL
20h 20m
1 stop
$1,206Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
KLM Logo
9:45 am - 10:06 pm
CWL
-
ORD
18h 21m
2 stops
KLM Logo
1:30 pm - 9:15 am
ORD
-
CWL
13h 45m
2 stops
$1,218KLM
Mon, Jun 22 - Mon, Jul 6
Multiple Airlines Logo
10:20 am - 4:25 pm
CWL
-
ORD
35h 05m
3 stops
Multiple Airlines Logo
10:00 am - 10:00 pm
ORD
-
CWL
31h 00m
3 stops
$1,237Multiple Airlines
Thu, Mar 19 - Thu, Mar 26

Delta flights from Cardiff to Chicago O'Hare Intl Airport

Our best Delta deals on Cardiff to Chicago O'Hare Intl Airport flight tickets
Delta
Mar 19
CWL10:20 amCardiff Wales
16h 29m
2 stops
ORD9:49 pmChicago O'Hare Intl
Mar 26
ORD9:50 amChicago O'Hare Intl
19h 00m
2 stops
CWL9:50 amCardiff Wales
$1,072
Delta
Jun 22
CWL9:45 amCardiff Wales
18h 21m
2 stops
ORD10:06 pmChicago O'Hare Intl
Jul 6
ORD1:30 pmChicago O'Hare Intl
13h 45m
2 stops
CWL9:15 amCardiff Wales
$1,217

KLM flights from Cardiff to Chicago O'Hare Intl Airport

Our best KLM deals on Cardiff to Chicago O'Hare Intl Airport flight tickets
KLM
Jun 22
CWL5:15 pmCardiff Wales
27h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
Jul 6
ORD4:50 pmChicago O'Hare Intl
10h 25m
1 stop
CWL9:15 amCardiff Wales
$929
KLM
Jun 22
CWL5:15 pmCardiff Wales
27h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
Jul 6
ORD4:50 pmChicago O'Hare Intl
10h 25m
1 stop
CWL9:15 amCardiff Wales
$935
KLM
Jun 22
CWL5:15 pmCardiff Wales
27h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
Jul 7
ORD4:20 pmChicago O'Hare Intl
18h 25m
1 stop
CWL4:45 pmCardiff Wales
$948

momondo Fare Finder

 
Customize your flight search to find flights from Cardiff to Chicago O'Hare Intl Airport 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 February 3, 2026.
Use the filters below to find and compare flights from Cardiff to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/22

5:15 pm-2:15 pm

1 stop27h 00m

Chicago O'Hare Intl

Tue 7/7

4:20 pm-9:15 am

1 stop10h 55m

$935

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/22

5:15 pm-2:15 pm

1 stop27h 00m

Chicago O'Hare Intl

Mon 7/6

4:50 pm-4:45 pm

1 stop17h 55m

$988

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 3/19

10:30 am-4:25 pm

2 stops34h 55m

Chicago O'Hare Intl

Thu 3/26

8:40 pm-10:00 pm

1 stop20h 20m

$1,004

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/22

5:15 pm-2:15 pm

1 stop27h 00m

Chicago O'Hare Intl

Mon 7/6

1:30 pm-9:15 am

2 stops13h 45m

$1,047

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/22

9:45 am-9:16 pm

2 stops17h 31m

Chicago O'Hare Intl

Mon 7/6

4:50 pm-4:45 pm

1 stop17h 55m

$1,052

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 3/19

10:20 am-9:49 pm

2 stops16h 29m

Chicago O'Hare Intl

Thu 3/26

9:50 am-9:50 am

2 stops19h 00m

$1,072

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/22

9:45 am-9:16 pm

2 stops17h 31m

Chicago O'Hare Intl

Tue 7/7

6:10 pm-4:45 pm

2 stops16h 35m

$1,165

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 3/19

10:30 am-3:00 pm

1 stop33h 30m

Chicago O'Hare Intl

Thu 3/26

8:40 pm-10:00 pm

1 stop20h 20m

$1,206

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/22

9:45 am-10:06 pm

2 stops18h 21m

Chicago O'Hare Intl

Mon 7/6

1:30 pm-9:15 am

2 stops13h 45m

$1,218

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 3/19

10:20 am-4:25 pm

3 stops35h 05m

Chicago O'Hare Intl

Thu 3/26

10:00 am-10:00 pm

3 stops31h 00m

$1,237

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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When to book flights from Cardiff to Chicago O'Hare Intl Airport

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

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

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

Fastest flight time

27h 00m

Direct flights

None
The fastest flight from Cardiff to Chicago O'Hare Intl Airport takes 27h 00m
There are no direct flights from Cardiff to Chicago O'Hare Intl Airport. There are no popular flight routes from Cardiff to Chicago O'Hare Intl Airport.
Search flight deals

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

    The distance between Cardiff Wales and Chicago O'Hare Intl is about 3834.5 mi. In terms of flight time, this usually takes a little over 27h 00m.

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

    Prices for flights from Cardiff Wales Airport to Chicago O'Hare Intl Airport were last updated today.

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

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Cardiff to Chicago O'Hare Intl Airport?

    Price Alerts will notify you by email when the price for flights to Chicago O'Hare Intl Airport from Cardiff 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 Cardiff to Chicago O'Hare Intl Airport 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?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Naperville
Rosemont
New Buffalo
Kenosha
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
South Holland

Why use momondo?

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

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

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

Flights from Cardiff to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Cardiff.

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

If you are not ready to book a flight from Cardiff to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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