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Cheap flights from Chicago to Cardiff from £249

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Cardiff departing on 24/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:05 - 22:20ORD  Chicago O'Hare Intl-CWL Cardiff Wales
24h 15m2 stops Frankfurt am Main Dublin
Multiple Airlines Logo
22:50 - 14:50CWL  Cardiff Wales-ORD Chicago O'Hare Intl
22h 00m2 stops Dublin Toronto Pearson Intl
£707Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep
Multiple Airlines Logo
16:55 - 22:25ORD  Chicago O'Hare Intl-CWL Cardiff Wales
47h 30m2 stops Madrid Barajas Dublin
Multiple Airlines Logo
23:10 - 15:00CWL  Cardiff Wales-ORD Chicago O'Hare Intl
20h 50m1 stop Dublin
£739Multiple Airlines
Tue, 29 Sep - Fri, 30 Oct
Multiple Airlines Logo
21:40 - 21:20ORD  Chicago O'Hare Intl-CWL Cardiff Wales
17h 40m2 stops Munich Franz Josef Strauss Dublin
Multiple Airlines Logo
07:45 - 12:35CWL  Cardiff Wales-ORD Chicago O'Hare Intl
34h 50m2 stops Dublin Zurich
£747Multiple Airlines
Sat, 17 Oct - Fri, 23 Oct
Multiple Airlines Logo
21:00 - 23:25ORD  Chicago O'Hare Intl-CWL Cardiff Wales
20h 25m1 stop Dublin
Multiple Airlines Logo
23:10 - 15:00CWL  Cardiff Wales-ORD Chicago O'Hare Intl
20h 50m1 stop Dublin
£780Multiple Airlines
Tue, 29 Sep - Fri, 30 Oct
Multiple Airlines Logo
15:45 - 21:20ORD  Chicago O'Hare Intl-CWL Cardiff Wales
23h 35m1 stop Dublin
Multiple Airlines Logo
07:45 - 19:15CWL  Cardiff Wales-ORD Chicago O'Hare Intl
17h 30m1 stop Dublin
£790Multiple Airlines
Sat, 17 Oct - Fri, 23 Oct
Multiple Airlines Logo
15:45 - 21:20ORD  Chicago O'Hare Intl-CWL Cardiff Wales
23h 35m1 stop Dublin
Multiple Airlines Logo
15:35 - 14:25CWL  Cardiff Wales-ORD Chicago O'Hare Intl
28h 50m2 stops Malaga Madrid Barajas
£793Multiple Airlines
Sat, 17 Oct - Fri, 23 Oct
Delta Logo
16:50 - 16:45ORD  Chicago O'Hare Intl-CWL Cardiff Wales
17h 55m1 stop Amsterdam Schiphol
Delta Logo
09:45 - 14:30CWL  Cardiff Wales-ORD Chicago O'Hare Intl
10h 45m1 stop Amsterdam Schiphol
£798Delta
Wed, 23 Sep - Wed, 7 Oct
Delta Logo
10:29 - 09:15ORD  Chicago O'Hare Intl-CWL Cardiff Wales
16h 46m2 stops Boston Logan Intl Amsterdam Schiphol
Delta Logo
09:45 - 14:30CWL  Cardiff Wales-ORD Chicago O'Hare Intl
10h 45m1 stop Amsterdam Schiphol
£801Delta
Wed, 23 Sep - Wed, 7 Oct
KLM Logo
16:15 - 09:15ORD  Chicago O'Hare Intl-CWL Cardiff Wales
11h 00m1 stop Amsterdam Schiphol
KLM Logo
09:45 - 22:32CWL  Cardiff Wales-ORD Chicago O'Hare Intl
18h 47m2 stops Amsterdam Schiphol Boston Logan Intl
£804KLM
Fri, 25 Sep - Fri, 2 Oct
KLM Logo
19:13 - 16:45MDW  Chicago Midway-CWL Cardiff Wales
15h 32m2 stops Minneapolis St Paul Amsterdam Schiphol
KLM Logo
09:45 - 22:33CWL  Cardiff Wales-MDW Chicago Midway
18h 48m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£808KLM
Wed, 23 Sep - Wed, 7 Oct

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Delta flights from Chicago to Cardiff

Our best Delta deals on Chicago to Cardiff flight tickets
Delta
23 Sept
ORD16:50Chicago O'Hare Intl
17h 55m
1 stop
CWL16:45Cardiff Wales
7 Oct
CWL09:45Cardiff Wales
10h 45m
1 stop
ORD14:30Chicago O'Hare Intl
£798
Delta
23 Sept
ORD10:29Chicago O'Hare Intl
16h 46m
2 stops
CWL09:15Cardiff Wales
7 Oct
CWL09:45Cardiff Wales
10h 45m
1 stop
ORD14:30Chicago O'Hare Intl
£801
Delta
23 Sept
ORD10:25Chicago O'Hare Intl
16h 50m
2 stops
CWL09:15Cardiff Wales
7 Oct
CWL09:45Cardiff Wales
17h 07m
2 stops
ORD20:52Chicago O'Hare Intl
£808

KLM flights from Chicago to Cardiff

Our best KLM deals on Chicago to Cardiff flight tickets
KLM
25 Sept
ORD16:15Chicago O'Hare Intl
11h 00m
1 stop
CWL09:15Cardiff Wales
2 Oct
CWL09:45Cardiff Wales
18h 47m
2 stops
ORD22:32Chicago O'Hare Intl
£804
KLM
23 Sept
MDW19:13Chicago Midway
15h 32m
2 stops
CWL16:45Cardiff Wales
7 Oct
CWL09:45Cardiff Wales
18h 48m
2 stops
MDW22:33Chicago Midway
£808
KLM
10 Sept
ORD16:15Chicago O'Hare Intl
11h 00m
1 stop
CWL09:15Cardiff Wales
17 Sept
CWL17:15Cardiff Wales
27h 00m
1 stop
ORD14:15Chicago O'Hare Intl
£835

momondo Fare Finder

 
Customise your flight search to find flights from Chicago to Cardiff 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 11 August 2026.
Use the filters below to find and compare flights from Chicago to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Thu 10/9

16:05-22:20

2 stops24h 15m

Cardiff Wales

Thu 17/9

22:50-14:50

2 stops22h 00m

£707

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Tue 29/9

16:55-22:25

2 stops47h 30m

Cardiff Wales

Fri 30/10

23:10-15:00

1 stop20h 50m

£739

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Sat 17/10

21:40-21:20

2 stops17h 40m

Cardiff Wales

Fri 23/10

07:45-12:35

2 stops34h 50m

£747

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Tue 29/9

21:00-23:25

1 stop20h 25m

Cardiff Wales

Fri 30/10

23:10-15:00

1 stop20h 50m

£780

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Sat 17/10

15:45-21:20

1 stop23h 35m

Cardiff Wales

Fri 23/10

07:45-19:15

1 stop17h 30m

£790

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Sat 17/10

15:45-21:20

1 stop23h 35m

Cardiff Wales

Fri 23/10

15:35-14:25

2 stops28h 50m

£793

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Wed 23/9

16:50-16:45

1 stop17h 55m

Cardiff Wales

Wed 7/10

09:45-14:30

1 stop10h 45m

£798
Fastest return journey

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Wed 23/9

10:29-09:15

2 stops16h 46m

Cardiff Wales

Wed 7/10

09:45-14:30

1 stop10h 45m

£801

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Fri 25/9

16:15-09:15

1 stop11h 00m

Cardiff Wales

Fri 2/10

09:45-22:32

2 stops18h 47m

£804

ChicagoCardiff

MDW Chicago Midway - CWL Cardiff Wales

MDWCWL

Chicago Midway

Wed 23/9

19:13-16:45

2 stops15h 32m

Cardiff Wales

Wed 7/10

09:45-22:33

2 stops18h 48m

£808

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cardiff from

How to get the cheapest flight ticket from Chicago to Cardiff

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 Chicago to Cardiff Wales?

KLM and Delta are the most popular carriers operating from Chicago to Cardiff Wales

When to book flights from Chicago to Cardiff

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Cardiff according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chicago to Cardiff (CHI to CWL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Cardiff

Fastest flight time

10h 55m

Direct flights

None
The fastest flight from Chicago to Cardiff takes 10h 55m
There are no direct flights from Chicago to Cardiff. There are no popular flight routes from Chicago to Cardiff.
Search flight deals

Frequently asked questions about flying from Chicago to Cardiff

  • How far is Chicago to Cardiff Wales by plane?

    There are 3828.5 mi between Chicago and Cardiff Wales. Flights usually cover this in 10h 55m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Chicago to Cardiff Wales Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Chicago to Cardiff Wales Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Cardiff for you.

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

Flights from Chicago to Cardiff 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 Chicago to Cardiff?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Cardiff.

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

Yes. momondo can track prices for Chicago to Cardiff flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport