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Cheap flights from Chicago to Cardiff from £246

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 11/8. 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 - 22:25
ORD
-
CWL
19h 25m
1 stop
Multiple Airlines Logo
23:50 - 14:00
CWL
-
ORD
20h 10m
1 stop
£556Multiple Airlines
Wed, 26 Aug - Wed, 2 Sep
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
£575Multiple Airlines
Sat, 22 Aug - Sat, 29 Aug
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
£580Multiple Airlines
Sat, 22 Aug - Sat, 29 Aug
Multiple Airlines Logo
15:45 - 21:20
ORD
-
CWL
23h 35m
2 stops
Multiple Airlines Logo
11:35 - 19:53
CWL
-
ORD
14h 18m
1 stop
£642Multiple Airlines
Sat, 22 Aug - Sat, 29 Aug
KLM Logo
19:25 - 16:45
MDW
-
CWL
15h 20m
2 stops
KLM Logo
09:45 - 22:36
CWL
-
MDW
18h 51m
2 stops
£809KLM
Wed, 26 Aug - Wed, 2 Sep
Delta Logo
10:54 - 09:15
MDW
-
CWL
16h 21m
2 stops
Delta Logo
09:45 - 22:36
CWL
-
MDW
18h 51m
2 stops
£844Delta
Mon, 17 Aug - Mon, 24 Aug
KLM Logo
13:25 - 09:15
MDW
-
CWL
13h 50m
2 stops
KLM Logo
09:45 - 22:36
CWL
-
MDW
18h 51m
2 stops
£845KLM
Mon, 24 Aug - Mon, 31 Aug
Delta Logo
18:42 - 16:45
MDW
-
CWL
16h 03m
2 stops
Delta Logo
09:50 - 22:36
CWL
-
MDW
18h 46m
2 stops
£850Delta
Sun, 23 Aug - Sun, 30 Aug
Delta Logo
18:42 - 16:45
MDW
-
CWL
16h 03m
2 stops
Delta Logo
09:50 - 22:36
CWL
-
MDW
18h 46m
2 stops
£850Delta
Sun, 23 Aug - Sun, 30 Aug
KLM Logo
13:25 - 09:15
MDW
-
CWL
13h 50m
2 stops
KLM Logo
09:45 - 22:36
CWL
-
MDW
18h 51m
2 stops
£915KLM
Thu, 27 Aug - Thu, 3 Sep

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KLM flights from Chicago to Cardiff

Our best KLM deals on Chicago to Cardiff flight tickets
KLM
26 Aug
MDW19:25Chicago Midway
15h 20m
2 stops
CWL16:45Cardiff Wales
2 Sept
CWL09:45Cardiff Wales
18h 51m
2 stops
MDW22:36Chicago Midway
£809
KLM
23 Aug
ORD16:20Chicago O'Hare Intl
10h 55m
1 stop
CWL09:15Cardiff Wales
30 Aug
CWL17:15Cardiff Wales
27h 15m
1 stop
ORD14:30Chicago O'Hare Intl
£839
KLM
27 Aug
ORD16:20Chicago O'Hare Intl
18h 25m
1 stop
CWL16:45Cardiff Wales
3 Sept
CWL17:15Cardiff Wales
27h 00m
1 stop
ORD14:15Chicago O'Hare Intl
£839

Delta flights from Chicago to Cardiff

Our best Delta deals on Chicago to Cardiff flight tickets
Delta
17 Aug
ORD16:50Chicago O'Hare Intl
10h 25m
1 stop
CWL09:15Cardiff Wales
24 Aug
CWL09:45Cardiff Wales
10h 45m
1 stop
ORD14:30Chicago O'Hare Intl
£840
Delta
17 Aug
MDW10:54Chicago Midway
16h 21m
2 stops
CWL09:15Cardiff Wales
24 Aug
CWL09:45Cardiff Wales
18h 51m
2 stops
MDW22:36Chicago Midway
£844
Delta
23 Aug
MDW18:42Chicago Midway
16h 03m
2 stops
CWL16:45Cardiff Wales
30 Aug
CWL09:50Cardiff Wales
18h 46m
2 stops
MDW22:36Chicago Midway
£850

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 13 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

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 26/8

21:00-22:25

1 stop19h 25m

Cardiff Wales

Wed 2/9

23:50-14:00

1 stop20h 10m

£556
Fastest return journey

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 22/8

21:00-21:20

1 stop18h 20m

Cardiff Wales

Sat 29/8

07:30-14:00

1 stop12h 30m

£575

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 22/8

21:00-21:20

1 stop18h 20m

Cardiff Wales

Sat 29/8

07:30-14:00

1 stop12h 30m

£580

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 22/8

15:45-21:20

2 stops23h 35m

Cardiff Wales

Sat 29/8

11:35-19:53

1 stop14h 18m

£642

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Wed 26/8

19:25-16:45

2 stops15h 20m

Cardiff Wales

Wed 2/9

09:45-22:36

2 stops18h 51m

£809

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Mon 17/8

10:54-09:15

2 stops16h 21m

Cardiff Wales

Mon 24/8

09:45-22:36

2 stops18h 51m

£844

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Mon 24/8

13:25-09:15

2 stops13h 50m

Cardiff Wales

Mon 31/8

09:45-22:36

2 stops18h 51m

£845

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sun 23/8

18:42-16:45

2 stops16h 03m

Cardiff Wales

Sun 30/8

09:50-22:36

2 stops18h 46m

£850

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sun 23/8

18:42-16:45

2 stops16h 03m

Cardiff Wales

Sun 30/8

09:50-22:36

2 stops18h 46m

£850

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Thu 27/8

13:25-09:15

2 stops13h 50m

Cardiff Wales

Thu 3/9

09:45-22:36

2 stops18h 51m

£915

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 WestJet 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.

An easier way to manage your Cardiff trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport