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Cheap flights from Cardiff to Chicago from £373

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 15/9. 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 Cardiff to Chicago

Cheap return flights

Logo
09:00 - 14:00CWL-ORD
11h 00m1 stop
Logo
15:45 - 10:35ORD-CWL
12h 50m1 stop
£437
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
07:55 - 21:15CWL-ORD
19h 20m2 stops
Logo
19:25 - 09:10ORD-CWL
31h 45m3 stops
£481
Find Deal
Thu, 28 Aug - Thu, 4 Sep
Delta Logo
09:50 - 20:23CWL-ORD
16h 33m2 stops
Delta Logo
10:15 - 09:15ORD-CWL
17h 00m2 stops
£633Delta
Find Deal
Thu, 28 Aug - Thu, 4 Sep
Virgin Atlantic Logo
17:15 - 21:34CWL-ORD
34h 19m2 stops
Virgin Atlantic Logo
19:59 - 09:15ORD-CWL
55h 16m2 stops
£654Virgin Atlantic
Find Deal
Fri, 3 Oct - Sun, 12 Oct
Virgin Atlantic Logo
17:15 - 14:10CWL-ORD
26h 55m1 stop
Virgin Atlantic Logo
19:59 - 09:15ORD-CWL
31h 16m2 stops
£660Virgin Atlantic
Find Deal
Fri, 3 Oct - Sun, 12 Oct
Delta Logo
09:50 - 21:15CWL-ORD
17h 25m2 stops
Delta Logo
08:52 - 09:15ORD-CWL
18h 23m2 stops
£673Delta
Find Deal
Sun, 14 Sep - Sun, 21 Sep
British Airways Logo
12:00 - 11:50CWL-ORD
29h 50m2 stops
British Airways Logo
21:15 - 11:30ORD-CWL
32h 15m2 stops
£697British Airways
Find Deal
Mon, 6 Oct - Mon, 13 Oct
British Airways Logo
12:00 - 11:50CWL-ORD
29h 50m2 stops
British Airways Logo
21:15 - 11:30ORD-CWL
32h 15m2 stops
£705British Airways
Find Deal
Mon, 6 Oct - Mon, 13 Oct
KLM Logo
17:15 - 14:10CWL-ORD
26h 55m1 stop
KLM Logo
13:25 - 09:15ORD-CWL
13h 50m2 stops
£759KLM
Find Deal
Mon, 6 Oct - Mon, 13 Oct
KLM Logo
17:15 - 14:10CWL-ORD
26h 55m1 stop
KLM Logo
13:25 - 09:15ORD-CWL
13h 50m2 stops
£760KLM
Find Deal
Mon, 6 Oct - Mon, 13 Oct

British Airways flights from Cardiff to Chicago O'Hare Intl Airport

Our best British Airways deals on Cardiff to Chicago O'Hare Intl Airport flight tickets
British Airways
6 Oct
CWL12:00Cardiff Wales
29h 50m
2 stops
ORD11:50Chicago O'Hare Intl
13 Oct
ORD21:15Chicago O'Hare Intl
32h 15m
2 stops
CWL11:30Cardiff Wales
£697
Find similar
British Airways
6 Oct
CWL12:00Cardiff Wales
29h 50m
2 stops
ORD11:50Chicago O'Hare Intl
13 Oct
ORD21:15Chicago O'Hare Intl
32h 15m
2 stops
CWL11:30Cardiff Wales
£705
Find similar
British Airways
6 Oct
CWL12:00Cardiff Wales
32h 40m
2 stops
ORD14:40Chicago O'Hare Intl
13 Oct
ORD21:15Chicago O'Hare Intl
32h 15m
2 stops
CWL11:30Cardiff Wales
£707
Find similar

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
6 Oct
CWL17:15Cardiff Wales
26h 55m
1 stop
ORD14:10Chicago O'Hare Intl
13 Oct
ORD13:25Chicago O'Hare Intl
13h 50m
2 stops
CWL09:15Cardiff Wales
£759
Find similar
KLM
6 Oct
CWL17:15Cardiff Wales
26h 55m
1 stop
ORD14:10Chicago O'Hare Intl
13 Oct
ORD13:25Chicago O'Hare Intl
13h 50m
2 stops
CWL09:15Cardiff Wales
£760
Find similar
KLM
6 Oct
CWL17:15Cardiff Wales
26h 55m
1 stop
ORD14:10Chicago O'Hare Intl
13 Oct
ORD13:25Chicago O'Hare Intl
13h 50m
2 stops
CWL09:15Cardiff Wales
£797
Find similar

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 August 2025.
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

Sat 13/9

09:00-14:00

1 stop11h 00m

Chicago O'Hare Intl

Sat 20/9

15:45-10:35

1 stop12h 50m

£437

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 28/8

07:55-21:15

2 stops19h 20m

Chicago O'Hare Intl

Thu 4/9

19:25-09:10

3 stops31h 45m

£481

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 28/8

09:50-20:23

2 stops16h 33m

Chicago O'Hare Intl

Thu 4/9

10:15-09:15

2 stops17h 00m

£633

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 3/10

17:15-21:34

2 stops34h 19m

Chicago O'Hare Intl

Sun 12/10

19:59-09:15

2 stops55h 16m

£654

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 3/10

17:15-14:10

1 stop26h 55m

Chicago O'Hare Intl

Sun 12/10

19:59-09:15

2 stops31h 16m

£660

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sun 14/9

09:50-21:15

2 stops17h 25m

Chicago O'Hare Intl

Sun 21/9

08:52-09:15

2 stops18h 23m

£673

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/10

12:00-11:50

2 stops29h 50m

Chicago O'Hare Intl

Mon 13/10

21:15-11:30

2 stops32h 15m

£697

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/10

12:00-11:50

2 stops29h 50m

Chicago O'Hare Intl

Mon 13/10

21:15-11:30

2 stops32h 15m

£705

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/10

17:15-14:10

1 stop26h 55m

Chicago O'Hare Intl

Mon 13/10

13:25-09:15

2 stops13h 50m

£759

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/10

17:15-14:10

1 stop26h 55m

Chicago O'Hare Intl

Mon 13/10

13:25-09:15

2 stops13h 50m

£760

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart from Cardiff to Chicago O'Hare Intl Airport is on a Thursday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Thursday will often find tickets for as low as £636. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Chicago O'Hare Intl Airport on Wednesday is £882.

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

Best price found

£373

Fastest flight time

11h 00m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from Cardiff in the past 72 hours is £373. The best return flight deal from Cardiff to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is £437.
The fastest flight from Cardiff to Chicago O'Hare Intl Airport takes 11h 00m
There are no direct flights from Cardiff to Chicago O'Hare Intl Airport. Popular non-direct route for this connection is Cardiff Wales Airport - Chicago O'Hare Intl Airport.
Search flight deals

  • 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. 11h 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 £555Free CancellationRating
7.8
1,383 reviews
Search KLM flights

Travelling to a place near Chicago?

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Lincolnshire
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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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