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Cheap flights from Cardiff to Chicago from £399

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 11/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
11:35 - 19:25
CWL
-
ORD
13h 50m
1 stop
Multiple Airlines Logo
20:20 - 10:15
ORD
-
CWL
31h 55m
1 stop
£580Multiple Airlines
Thu, 4 Jun - Sat, 13 Jun
Multiple Airlines Logo
11:35 - 19:25
CWL
-
ORD
13h 50m
1 stop
Multiple Airlines Logo
09:55 - 10:15
ORD
-
CWL
18h 20m
1 stop
£657Multiple Airlines
Mon, 8 Jun - Sun, 14 Jun
Multiple Airlines Logo
22:10 - 16:59
CWL
-
ORD
24h 49m
2 stops
Multiple Airlines Logo
08:45 - 10:15
ORD
-
CWL
19h 30m
2 stops
£712Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
22:10 - 16:59
CWL
-
ORD
24h 49m
2 stops
Multiple Airlines Logo
09:45 - 10:15
ORD
-
CWL
18h 30m
1 stop
£719Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
11:35 - 22:05
CWL
-
ORD
16h 30m
1 stop
Multiple Airlines Logo
09:55 - 21:45
ORD
-
CWL
29h 50m
2 stops
£738Multiple Airlines
Mon, 8 Jun - Sun, 14 Jun
Multiple Airlines Logo
22:10 - 16:59
CWL
-
ORD
24h 49m
2 stops
Multiple Airlines Logo
15:40 - 22:50
ORD
-
CWL
25h 10m
3 stops
£743Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
11:35 - 19:25
CWL
-
ORD
13h 50m
1 stop
Multiple Airlines Logo
08:45 - 10:15
ORD
-
CWL
19h 30m
2 stops
£754Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
11:35 - 19:38
CWL
-
ORD
14h 03m
1 stop
Multiple Airlines Logo
09:45 - 10:15
ORD
-
CWL
18h 30m
1 stop
£767Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
11:35 - 19:38
CWL
-
ORD
14h 03m
1 stop
Multiple Airlines Logo
14:52 - 10:15
ORD
-
CWL
13h 23m
1 stop
£792Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
11:35 - 22:05
CWL
-
ORD
16h 30m
1 stop
Multiple Airlines Logo
16:50 - 09:15
ORD
-
CWL
10h 25m
1 stop
£807Multiple Airlines
Mon, 17 Aug - Mon, 24 Aug

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
22 Jun
CWL09:45Cardiff Wales
10h 45m
1 stop
ORD14:30Chicago O'Hare Intl
7 Jul
ORD16:20Chicago O'Hare Intl
18h 25m
1 stop
CWL16:45Cardiff Wales
£830
Delta
22 Jun
CWL09:45Cardiff Wales
10h 45m
1 stop
ORD14:30Chicago O'Hare Intl
6 Jul
ORD16:50Chicago O'Hare Intl
17h 55m
1 stop
CWL16:45Cardiff Wales
£834
Delta
22 Jun
CWL09:45Cardiff Wales
10h 45m
1 stop
ORD14:30Chicago O'Hare Intl
6 Jul
ORD10:29Chicago O'Hare Intl
16h 46m
2 stops
CWL09:15Cardiff Wales
£836

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
4 Jun
CWL11:35Cardiff Wales
35h 05m
3 stops
ORD16:40Chicago O'Hare Intl
13 Jun
ORD17:30Chicago O'Hare Intl
34h 45m
2 stops
CWL10:15Cardiff Wales
£968
WestJet
4 Jun
CWL11:35Cardiff Wales
35h 05m
3 stops
ORD16:40Chicago O'Hare Intl
13 Jun
ORD17:30Chicago O'Hare Intl
34h 45m
3 stops
CWL10:15Cardiff Wales
£1,028
WestJet
8 Jun
CWL11:35Cardiff Wales
35h 05m
2 stops
ORD16:40Chicago O'Hare Intl
15 Jun
ORD17:30Chicago O'Hare Intl
58h 45m
2 stops
CWL10:15Cardiff Wales
£1,092

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 13 May 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

Thu 4/6

11:35-19:25

1 stop13h 50m

Chicago O'Hare Intl

Sat 13/6

20:20-10:15

1 stop31h 55m

£580

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 8/6

11:35-19:25

1 stop13h 50m

Chicago O'Hare Intl

Sun 14/6

09:55-10:15

1 stop18h 20m

£657

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 8/6

22:10-16:59

2 stops24h 49m

Chicago O'Hare Intl

Mon 15/6

08:45-10:15

2 stops19h 30m

£712

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 8/6

22:10-16:59

2 stops24h 49m

Chicago O'Hare Intl

Mon 15/6

09:45-10:15

1 stop18h 30m

£719

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 8/6

11:35-22:05

1 stop16h 30m

Chicago O'Hare Intl

Sun 14/6

09:55-21:45

2 stops29h 50m

£738

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 8/6

22:10-16:59

2 stops24h 49m

Chicago O'Hare Intl

Mon 15/6

15:40-22:50

3 stops25h 10m

£743

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 9/6

11:35-19:25

1 stop13h 50m

Chicago O'Hare Intl

Mon 15/6

08:45-10:15

2 stops19h 30m

£754

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 8/6

11:35-19:38

1 stop14h 03m

Chicago O'Hare Intl

Mon 15/6

09:45-10:15

1 stop18h 30m

£767

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 9/6

11:35-19:38

1 stop14h 03m

Chicago O'Hare Intl

Mon 15/6

14:52-10:15

1 stop13h 23m

£792
Fastest return journey

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 17/8

11:35-22:05

1 stop16h 30m

Chicago O'Hare Intl

Mon 24/8

16:50-09:15

1 stop10h 25m

£807

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 is the most popular carrier 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

13h 50m

Direct flights

None
The fastest flight from Cardiff to Chicago O'Hare Intl Airport takes 13h 50m
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. 13h 50m 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 £691Free CancellationRating
7.8
1,517 reviews
Search KLM flights

Travelling to a place near Chicago?

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