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Cheap flights from Cardiff to Chicago from £573

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 13/7. 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 Cardiff to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:45 - 19:48
CWL
-
ORD
27h 03m
3 stops
Multiple Airlines Logo
16:20 - 17:05
ORD
-
CWL
18h 45m
1 stop
£658Multiple Airlines
Fri, 18 Sep - Fri, 9 Oct
Multiple Airlines Logo
22:45 - 19:48
CWL
-
ORD
27h 03m
3 stops
Multiple Airlines Logo
14:15 - 09:15
ORD
-
CWL
37h 00m
3 stops
£707Multiple Airlines
Fri, 18 Sep - Fri, 9 Oct
Air France Logo
17:15 - 14:15
CWL
-
ORD
27h 00m
1 stop
Air France Logo
16:20 - 17:05
ORD
-
CWL
18h 45m
1 stop
£709Air France
Fri, 18 Sep - Fri, 9 Oct
Air France Logo
09:45 - 21:37
CWL
-
ORD
17h 52m
2 stops
Air France Logo
16:20 - 17:05
ORD
-
CWL
18h 45m
1 stop
£716Air France
Fri, 18 Sep - Fri, 9 Oct
Multiple Airlines Logo
22:45 - 19:48
CWL
-
ORD
27h 03m
3 stops
Multiple Airlines Logo
21:00 - 09:15
ORD
-
CWL
30h 15m
2 stops
£719Multiple Airlines
Fri, 18 Sep - Fri, 9 Oct
Multiple Airlines Logo
23:15 - 14:00
CWL
-
ORD
20h 45m
1 stop
Multiple Airlines Logo
19:25 - 21:45
ORD
-
CWL
20h 20m
2 stops
£756Multiple Airlines
Tue, 14 Jul - Sun, 26 Jul
Multiple Airlines Logo
23:15 - 14:00
CWL
-
ORD
20h 45m
1 stop
Multiple Airlines Logo
19:25 - 21:20
ORD
-
CWL
19h 55m
2 stops
£795Multiple Airlines
Tue, 14 Jul - Sat, 25 Jul
Multiple Airlines Logo
22:10 - 09:40
CWL
-
ORD
41h 30m
2 stops
Multiple Airlines Logo
21:00 - 22:50
ORD
-
CWL
19h 50m
1 stop
£832Multiple Airlines
Mon, 13 Jul - Tue, 21 Jul
Multiple Airlines Logo
21:45 - 19:15
CWL
-
ORD
27h 30m
1 stop
Multiple Airlines Logo
19:25 - 22:50
ORD
-
CWL
21h 25m
2 stops
£834Multiple Airlines
Sun, 12 Jul - Tue, 21 Jul
Multiple Airlines Logo
11:35 - 22:05
CWL
-
ORD
16h 30m
1 stop
Multiple Airlines Logo
19:25 - 22:50
ORD
-
CWL
21h 25m
3 stops
£849Multiple Airlines
Mon, 17 Aug - Mon, 24 Aug

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WestJet flights from Cardiff to Chicago O'Hare Intl Airport

Our best WestJet deals on Cardiff to Chicago O'Hare Intl Airport flight tickets
WestJet
13 Jul
CWL11:35Cardiff Wales
31h 27m
2 stops
ORD13:02Chicago O'Hare Intl
24 Jul
ORD06:30Chicago O'Hare Intl
21h 45m
2 stops
CWL10:15Cardiff Wales
£1,018
WestJet
6 Aug
CWL11:35Cardiff Wales
31h 23m
2 stops
ORD12:58Chicago O'Hare Intl
9 Aug
ORD19:30Chicago O'Hare Intl
32h 45m
2 stops
CWL10:15Cardiff Wales
£1,083
WestJet
13 Jul
CWL11:35Cardiff Wales
59h 05m
2 stops
ORD16:40Chicago O'Hare Intl
23 Jul
ORD17:30Chicago O'Hare Intl
34h 45m
2 stops
CWL10:15Cardiff Wales
£1,097

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
11 Aug
CWL17:15Cardiff Wales
27h 15m
1 stop
ORD14:30Chicago O'Hare Intl
21 Aug
ORD11:23Chicago O'Hare Intl
15h 52m
2 stops
CWL09:15Cardiff Wales
£1,094
KLM
11 Aug
CWL17:15Cardiff Wales
27h 15m
1 stop
ORD14:30Chicago O'Hare Intl
21 Aug
ORD16:20Chicago O'Hare Intl
18h 45m
1 stop
CWL17:05Cardiff Wales
£1,095
KLM
11 Aug
CWL17:15Cardiff Wales
27h 15m
1 stop
ORD14:30Chicago O'Hare Intl
21 Aug
ORD16:20Chicago O'Hare Intl
18h 45m
1 stop
CWL17:05Cardiff Wales
£1,096

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 1 July 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

Cheapest return flight

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 18/9

22:45-19:48

3 stops27h 03m

Chicago O'Hare Intl

Fri 9/10

16:20-17:05

1 stop18h 45m

£658

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 18/9

22:45-19:48

3 stops27h 03m

Chicago O'Hare Intl

Fri 9/10

14:15-09:15

3 stops37h 00m

£707

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 18/9

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Fri 9/10

16:20-17:05

1 stop18h 45m

£709
Fastest return journey

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 18/9

09:45-21:37

2 stops17h 52m

Chicago O'Hare Intl

Fri 9/10

16:20-17:05

1 stop18h 45m

£716

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 18/9

22:45-19:48

3 stops27h 03m

Chicago O'Hare Intl

Fri 9/10

21:00-09:15

2 stops30h 15m

£719

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 14/7

23:15-14:00

1 stop20h 45m

Chicago O'Hare Intl

Sun 26/7

19:25-21:45

2 stops20h 20m

£756

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 14/7

23:15-14:00

1 stop20h 45m

Chicago O'Hare Intl

Sat 25/7

19:25-21:20

2 stops19h 55m

£795

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 13/7

22:10-09:40

2 stops41h 30m

Chicago O'Hare Intl

Tue 21/7

21:00-22:50

1 stop19h 50m

£832

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sun 12/7

21:45-19:15

1 stop27h 30m

Chicago O'Hare Intl

Tue 21/7

19:25-22:50

2 stops21h 25m

£834

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 17/8

11:35-22:05

1 stop16h 30m

Chicago O'Hare Intl

Mon 24/8

19:25-22:50

3 stops21h 25m

£849

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

See travel insights to Chicago from

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

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 Cardiff Wales to Chicago O'Hare Intl?

WestJet, British Airways, and Air France are the most popular carriers operating from Cardiff Wales to Chicago O'Hare Intl

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 return 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

16h 30m

Direct flights

None
The fastest flight from Cardiff to Chicago O'Hare Intl Airport takes 16h 30m
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

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

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

    The straight-line distance from Cardiff Wales to Chicago O'Hare Intl is 3834.5 mi. 16h 30m is a normal flight duration for this route.

  • 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 are updated daily.

  • How many operators does momondo search for flights from Cardiff Wales Airport to Chicago O'Hare Intl Airport?

  • 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 travel and health documents you'll need for your trip to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Cardiff to Chicago O'Hare Intl Airport?

Best airlines flying from Cardiff to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Cardiff to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £707Free CancellationRating
7.8
1,532 reviews
Search KLM flights

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cardiff to Chicago. momondo saves you time and could save you money on your trip.

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

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

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?

Price alerts on flights to Chicago from Cardiff are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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