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Cheap flights from Chicago to Cardiff from £250

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 19/8. 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
15:45 - 21:45
ORD
-
CWL
24h 00m
1 stop
Multiple Airlines Logo
22:50 - 16:00
CWL
-
ORD
23h 10m
2 stops
£668Multiple Airlines
Sun, 16 Aug - Thu, 27 Aug
Multiple Airlines Logo
21:00 - 22:50
ORD
-
CWL
19h 50m
1 stop
Multiple Airlines Logo
23:15 - 14:00
CWL
-
ORD
20h 45m
1 stop
£683Multiple Airlines
Mon, 17 Aug - Tue, 25 Aug
Multiple Airlines Logo
21:00 - 21:45
ORD
-
CWL
18h 45m
1 stop
Multiple Airlines Logo
23:30 - 17:50
CWL
-
ORD
24h 20m
2 stops
£685Multiple Airlines
Sun, 16 Aug - Wed, 26 Aug
Multiple Airlines Logo
15:45 - 23:05
ORD
-
CWL
25h 20m
1 stop
Multiple Airlines Logo
21:45 - 14:00
CWL
-
ORD
22h 15m
1 stop
£688Multiple Airlines
Tue, 18 Aug - Sun, 30 Aug
Multiple Airlines Logo
21:00 - 22:50
ORD
-
CWL
19h 50m
1 stop
Multiple Airlines Logo
22:10 - 14:00
CWL
-
ORD
21h 50m
1 stop
£689Multiple Airlines
Mon, 17 Aug - Mon, 24 Aug
Multiple Airlines Logo
15:45 - 21:45
ORD
-
CWL
24h 00m
1 stop
Multiple Airlines Logo
23:30 - 14:00
CWL
-
ORD
20h 30m
1 stop
£691Multiple Airlines
Sun, 16 Aug - Wed, 26 Aug
KLM Logo
19:16 - 16:45
MDW
-
CWL
15h 29m
2 stops
KLM Logo
09:45 - 22:28
CWL
-
MDW
18h 43m
2 stops
£776KLM
Tue, 21 Apr - Tue, 28 Apr
Delta Logo
13:05 - 09:15
MDW
-
CWL
14h 10m
2 stops
Delta Logo
09:45 - 21:46
CWL
-
MDW
18h 01m
2 stops
£795Delta
Mon, 17 Aug - Fri, 28 Aug
Virgin Atlantic Logo
19:13 - 16:45
MDW
-
CWL
39h 32m
2 stops
Virgin Atlantic Logo
17:15 - 17:56
CWL
-
MDW
30h 41m
2 stops
£819Virgin Atlantic
Fri, 8 May - Fri, 15 May
KLM Logo
19:13 - 16:45
MDW
-
CWL
15h 32m
2 stops
KLM Logo
09:45 - 21:09
CWL
-
MDW
17h 24m
2 stops
£889KLM
Sat, 9 May - Sat, 16 May

Delta flights from Chicago to Cardiff

Our best Delta deals on Chicago to Cardiff flight tickets
Delta
16 Aug
ORD16:20Chicago O'Hare Intl
10h 55m
1 stop
CWL09:15Cardiff Wales
28 Aug
CWL09:45Cardiff Wales
18h 21m
2 stops
ORD22:06Chicago O'Hare Intl
£791
Delta
18 Aug
ORD13:30Chicago O'Hare Intl
13h 45m
2 stops
CWL09:15Cardiff Wales
30 Aug
CWL09:50Cardiff Wales
17h 46m
2 stops
ORD21:36Chicago O'Hare Intl
£794
Delta
17 Aug
MDW13:05Chicago Midway
14h 10m
2 stops
CWL09:15Cardiff Wales
28 Aug
CWL09:45Cardiff Wales
18h 01m
2 stops
MDW21:46Chicago Midway
£795

KLM flights from Chicago to Cardiff

Our best KLM deals on Chicago to Cardiff flight tickets
KLM
21 Apr
ORD16:20Chicago O'Hare Intl
10h 55m
1 stop
CWL09:15Cardiff Wales
28 Apr
CWL17:15Cardiff Wales
27h 15m
1 stop
ORD14:30Chicago O'Hare Intl
£766
KLM
21 Apr
ORD19:09Chicago O'Hare Intl
15h 36m
2 stops
CWL16:45Cardiff Wales
28 Apr
CWL17:15Cardiff Wales
27h 15m
1 stop
ORD14:30Chicago O'Hare Intl
£769
KLM
21 Apr
MDW19:16Chicago Midway
15h 29m
2 stops
CWL16:45Cardiff Wales
28 Apr
CWL09:45Cardiff Wales
18h 43m
2 stops
MDW22:28Chicago Midway
£776

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 26 March 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

Sun 16/8

15:45-21:45

1 stop24h 00m

Cardiff Wales

Thu 27/8

22:50-16:00

2 stops23h 10m

£668

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 17/8

21:00-22:50

1 stop19h 50m

Cardiff Wales

Tue 25/8

23:15-14:00

1 stop20h 45m

£683

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 16/8

21:00-21:45

1 stop18h 45m

Cardiff Wales

Wed 26/8

23:30-17:50

2 stops24h 20m

£685

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 18/8

15:45-23:05

1 stop25h 20m

Cardiff Wales

Sun 30/8

21:45-14:00

1 stop22h 15m

£688

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 17/8

21:00-22:50

1 stop19h 50m

Cardiff Wales

Mon 24/8

22:10-14:00

1 stop21h 50m

£689

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 16/8

15:45-21:45

1 stop24h 00m

Cardiff Wales

Wed 26/8

23:30-14:00

1 stop20h 30m

£691

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Tue 21/4

19:16-16:45

2 stops15h 29m

Cardiff Wales

Tue 28/4

09:45-22:28

2 stops18h 43m

£776
Fastest return journey

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Mon 17/8

13:05-09:15

2 stops14h 10m

Cardiff Wales

Fri 28/8

09:45-21:46

2 stops18h 01m

£795

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Fri 8/5

19:13-16:45

2 stops39h 32m

Cardiff Wales

Fri 15/5

17:15-17:56

2 stops30h 41m

£819

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sat 9/5

19:13-16:45

2 stops15h 32m

Cardiff Wales

Sat 16/5

09:45-21:09

2 stops17h 24m

£889

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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, WestJet, 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 25m

Direct flights

None
The fastest flight from Chicago to Cardiff takes 10h 25m
There are no direct flights from Chicago to Cardiff. There are no popular flight routes from Chicago to Cardiff.
Search flight deals

  • 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 25m, 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

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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport