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Cheap flights from Chicago to Cardiff from £571

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Cardiff departing on 29/8. 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 Chicago to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:00 - 21:20
ORD
-
CWL
18h 20m
1 stop
Multiple Airlines Logo
07:30 - 14:00
CWL
-
ORD
12h 30m
1 stop
£571Multiple Airlines
Sat, 29 Aug - Sat, 5 Sep
Multiple Airlines Logo
15:45 - 21:20
ORD
-
CWL
23h 35m
1 stop
Multiple Airlines Logo
21:45 - 14:25
CWL
-
ORD
22h 40m
2 stops
£644Multiple Airlines
Sat, 5 Sep - Tue, 8 Sep
Multiple Airlines Logo
17:35 - 22:50
ORD
-
CWL
23h 15m
2 stops
Multiple Airlines Logo
11:35 - 10:16
CWL
-
ORD
28h 41m
2 stops
£655Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
17:35 - 22:50
ORD
-
CWL
23h 15m
2 stops
Multiple Airlines Logo
11:35 - 19:52
CWL
-
ORD
14h 17m
1 stop
£658Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
08:40 - 22:50
ORD
-
CWL
32h 10m
3 stops
Multiple Airlines Logo
11:35 - 10:16
CWL
-
ORD
28h 41m
2 stops
£680Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
KLM Logo
13:25 - 16:45
MDW
-
CWL
21h 20m
2 stops
KLM Logo
17:15 - 15:44
CWL
-
MDW
28h 29m
2 stops
£807KLM
Mon, 24 Aug - Mon, 31 Aug
Delta Logo
13:25 - 09:15
MDW
-
CWL
13h 50m
2 stops
Delta Logo
09:45 - 22:36
CWL
-
MDW
18h 51m
2 stops
£847Delta
Thu, 13 Aug - Thu, 20 Aug
WestJet Logo
16:52 - 10:15
MDW
-
CWL
35h 23m
3 stops
WestJet Logo
11:35 - 09:07
CWL
-
MDW
27h 32m
2 stops
£915WestJet
Sat, 5 Sep - Tue, 8 Sep
WestJet Logo
16:52 - 10:15
MDW
-
CWL
35h 23m
3 stops
WestJet Logo
11:35 - 13:20
CWL
-
MDW
31h 45m
3 stops
£952WestJet
Sat, 5 Sep - Tue, 8 Sep
Delta Logo
09:59 - 09:15
MDW
-
CWL
17h 16m
2 stops
Delta Logo
09:50 - 22:36
CWL
-
MDW
18h 46m
2 stops
£991Delta
Sun, 30 Aug - Sun, 6 Sep

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Delta flights from Chicago to Cardiff

Our best Delta deals on Chicago to Cardiff flight tickets
Delta
13 Aug
MDW13:25Chicago Midway
13h 50m
2 stops
CWL09:15Cardiff Wales
20 Aug
CWL09:45Cardiff Wales
18h 51m
2 stops
MDW22:36Chicago Midway
£847
Delta
24 Aug
ORD10:30Chicago O'Hare Intl
16h 45m
2 stops
CWL09:15Cardiff Wales
31 Aug
CWL09:45Cardiff Wales
18h 02m
2 stops
ORD21:47Chicago O'Hare Intl
£848
Delta
30 Aug
MDW09:59Chicago Midway
17h 16m
2 stops
CWL09:15Cardiff Wales
6 Sept
CWL09:50Cardiff Wales
18h 46m
2 stops
MDW22:36Chicago Midway
£991

KLM flights from Chicago to Cardiff

Our best KLM deals on Chicago to Cardiff flight tickets
KLM
24 Aug
MDW13:25Chicago Midway
21h 20m
2 stops
CWL16:45Cardiff Wales
31 Aug
CWL17:15Cardiff Wales
28h 29m
2 stops
MDW15:44Chicago Midway
£807
KLM
24 Aug
MDW19:25Chicago Midway
15h 20m
2 stops
CWL16:45Cardiff Wales
31 Aug
CWL09:45Cardiff Wales
18h 51m
2 stops
MDW22:36Chicago Midway
£838
KLM
30 Aug
ORD16:20Chicago O'Hare Intl
10h 55m
1 stop
CWL09:15Cardiff Wales
6 Sept
CWL17:15Cardiff Wales
27h 15m
1 stop
ORD14:30Chicago O'Hare Intl
£877

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 19 July 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
Fastest return journey

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 29/8

21:00-21:20

1 stop18h 20m

Cardiff Wales

Sat 5/9

07:30-14:00

1 stop12h 30m

£571

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 5/9

15:45-21:20

1 stop23h 35m

Cardiff Wales

Tue 8/9

21:45-14:25

2 stops22h 40m

£644

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 24/8

17:35-22:50

2 stops23h 15m

Cardiff Wales

Mon 31/8

11:35-10:16

2 stops28h 41m

£655

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 24/8

17:35-22:50

2 stops23h 15m

Cardiff Wales

Mon 31/8

11:35-19:52

1 stop14h 17m

£658

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 24/8

08:40-22:50

3 stops32h 10m

Cardiff Wales

Mon 31/8

11:35-10:16

2 stops28h 41m

£680

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Mon 24/8

13:25-16:45

2 stops21h 20m

Cardiff Wales

Mon 31/8

17:15-15:44

2 stops28h 29m

£807

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Thu 13/8

13:25-09:15

2 stops13h 50m

Cardiff Wales

Thu 20/8

09:45-22:36

2 stops18h 51m

£847

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sat 5/9

16:52-10:15

3 stops35h 23m

Cardiff Wales

Tue 8/9

11:35-09:07

2 stops27h 32m

£915

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sat 5/9

16:52-10:15

3 stops35h 23m

Cardiff Wales

Tue 8/9

11:35-13:20

3 stops31h 45m

£952

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sun 30/8

09:59-09:15

2 stops17h 16m

Cardiff Wales

Sun 6/9

09:50-22:36

2 stops18h 46m

£991

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

13h 50m

Direct flights

None
The fastest flight from Chicago to Cardiff takes 13h 50m
There are no direct flights from Chicago to Cardiff. There are no popular flight routes from Chicago to Cardiff.
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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 13h 50m, 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.

Frequently asked questions about flying from Chicago to Cardiff

  • How do I get Price Alerts for flights from Chicago to Cardiff?

    Search flight deals from Chicago to Cardiff. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Chicago to Cardiff 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 compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

An easier way to manage your Cardiff trip

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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport