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Cheap flights from Cardiff to Chicago from £684

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Chicago departing on 22/6. 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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Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
17:15 - 14:15
CWL
-
ORD
27h 00m
1 stop
KLM Logo
16:20 - 09:15
ORD
-
CWL
10h 55m
1 stop
£684KLM
Mon, 22 Jun - Tue, 7 Jul
KLM Logo
17:15 - 14:15
CWL
-
ORD
27h 00m
1 stop
KLM Logo
16:50 - 16:45
ORD
-
CWL
17h 55m
1 stop
£722KLM
Mon, 22 Jun - Mon, 6 Jul
Multiple Airlines Logo
10:30 - 16:25
CWL
-
ORD
34h 55m
2 stops
Multiple Airlines Logo
20:40 - 22:00
ORD
-
CWL
20h 20m
1 stop
£734Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
17:15 - 14:15
CWL
-
ORD
27h 00m
1 stop
Multiple Airlines Logo
18:10 - 16:45
ORD
-
CWL
16h 35m
2 stops
£766Multiple Airlines
Mon, 22 Jun - Tue, 7 Jul
Multiple Airlines Logo
09:45 - 21:16
CWL
-
ORD
17h 31m
2 stops
Multiple Airlines Logo
16:50 - 16:45
ORD
-
CWL
17h 55m
1 stop
£769Multiple Airlines
Mon, 22 Jun - Mon, 6 Jul
Delta Logo
10:20 - 21:49
CWL
-
ORD
16h 29m
2 stops
Delta Logo
09:50 - 09:50
ORD
-
CWL
19h 00m
2 stops
£784Delta
Thu, 19 Mar - Thu, 26 Mar
Air France Logo
09:45 - 21:16
CWL
-
ORD
17h 31m
2 stops
Air France Logo
18:10 - 16:45
ORD
-
CWL
16h 35m
2 stops
£852Air France
Mon, 22 Jun - Tue, 7 Jul
Multiple Airlines Logo
10:30 - 15:00
CWL
-
ORD
33h 30m
1 stop
Multiple Airlines Logo
20:40 - 22:00
ORD
-
CWL
20h 20m
1 stop
£882Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
KLM Logo
09:45 - 22:06
CWL
-
ORD
18h 21m
2 stops
KLM Logo
13:30 - 09:15
ORD
-
CWL
13h 45m
2 stops
£891KLM
Mon, 22 Jun - Mon, 6 Jul
Multiple Airlines Logo
10:20 - 16:25
CWL
-
ORD
35h 05m
3 stops
Multiple Airlines Logo
10:00 - 22:00
ORD
-
CWL
31h 00m
3 stops
£905Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar

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
22 Jun
CWL17:15Cardiff Wales
27h 00m
1 stop
ORD14:15Chicago O'Hare Intl
7 Jul
ORD16:20Chicago O'Hare Intl
10h 55m
1 stop
CWL09:15Cardiff Wales
£684
KLM
22 Jun
CWL17:15Cardiff Wales
27h 00m
1 stop
ORD14:15Chicago O'Hare Intl
6 Jul
ORD16:50Chicago O'Hare Intl
17h 55m
1 stop
CWL16:45Cardiff Wales
£722
KLM
22 Jun
CWL09:45Cardiff Wales
18h 21m
2 stops
ORD22:06Chicago O'Hare Intl
6 Jul
ORD13:30Chicago O'Hare Intl
13h 45m
2 stops
CWL09:15Cardiff Wales
£891

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 3 February 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 22/6

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Tue 7/7

16:20-09:15

1 stop10h 55m

£684

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Mon 6/7

16:50-16:45

1 stop17h 55m

£722

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 19/3

10:30-16:25

2 stops34h 55m

Chicago O'Hare Intl

Thu 26/3

20:40-22:00

1 stop20h 20m

£734

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Tue 7/7

18:10-16:45

2 stops16h 35m

£766

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

09:45-21:16

2 stops17h 31m

Chicago O'Hare Intl

Mon 6/7

16:50-16:45

1 stop17h 55m

£769

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 19/3

10:20-21:49

2 stops16h 29m

Chicago O'Hare Intl

Thu 26/3

09:50-09:50

2 stops19h 00m

£784

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

09:45-21:16

2 stops17h 31m

Chicago O'Hare Intl

Tue 7/7

18:10-16:45

2 stops16h 35m

£852

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 19/3

10:30-15:00

1 stop33h 30m

Chicago O'Hare Intl

Thu 26/3

20:40-22:00

1 stop20h 20m

£882

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

09:45-22:06

2 stops18h 21m

Chicago O'Hare Intl

Mon 6/7

13:30-09:15

2 stops13h 45m

£891

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 19/3

10:20-16:25

3 stops35h 05m

Chicago O'Hare Intl

Thu 26/3

10:00-22:00

3 stops31h 00m

£905

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

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.
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  • 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. 27h 00m 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 £538Free CancellationRating
7.7
1,448 reviews
Search KLM flights

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

    Confirm your travel details to search for the latest offers for flights from Cardiff to Chicago O'Hare Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Cardiff to Chicago O'Hare Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Racine
Evanston
Northbrook
Lincolnshire
Lake Geneva
Joliet
Oak Park
Schaumburg
Oak Brook
Elgin
Rosemont

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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