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Cheap flights from Chicago to Cardiff from £273

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 1/4. 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
£649Multiple Airlines
Sat, 25 Apr - Sat, 2 May
Multiple Airlines Logo
21:00 - 23:25
ORD
-
CWL
20h 25m
1 stop
Multiple Airlines Logo
22:50 - 18:15
CWL
-
ORD
25h 25m
2 stops
£673Multiple Airlines
Tue, 21 Apr - Thu, 7 May
KLM Logo
16:20 - 16:45
ORD
-
CWL
18h 25m
1 stop
KLM Logo
17:15 - 14:15
CWL
-
ORD
27h 00m
1 stop
£692KLM
Thu, 23 Apr - Thu, 30 Apr
KLM Logo
16:20 - 16:45
ORD
-
CWL
18h 25m
1 stop
KLM Logo
17:15 - 14:15
CWL
-
ORD
27h 00m
1 stop
£693KLM
Tue, 21 Apr - Thu, 7 May
Delta Logo
16:20 - 16:45
ORD
-
CWL
18h 25m
1 stop
Delta Logo
09:45 - 23:59
CWL
-
ORD
20h 14m
2 stops
£700Delta
Thu, 23 Apr - Thu, 30 Apr
KLM Logo
19:16 - 16:45
MDW
-
CWL
15h 29m
2 stops
KLM Logo
09:45 - 18:33
CWL
-
MDW
14h 48m
2 stops
£703KLM
Tue, 21 Apr - Thu, 7 May
KLM Logo
13:06 - 09:15
ORD
-
CWL
14h 09m
2 stops
KLM Logo
09:45 - 23:59
CWL
-
ORD
20h 14m
2 stops
£703KLM
Tue, 21 Apr - Thu, 7 May
Virgin Atlantic Logo
06:50 - 09:15
ORD
-
CWL
20h 25m
2 stops
Virgin Atlantic Logo
17:15 - 14:30
CWL
-
ORD
27h 15m
1 stop
£733Virgin Atlantic
Sun, 26 Apr - Sun, 3 May
KLM Logo
16:20 - 09:15
ORD
-
CWL
10h 55m
1 stop
KLM Logo
17:15 - 14:30
CWL
-
ORD
27h 15m
1 stop
£736KLM
Sun, 5 Apr - Sun, 12 Apr
Delta Logo
09:27 - 09:15
MDW
-
CWL
17h 48m
2 stops
Delta Logo
09:45 - 22:28
CWL
-
MDW
18h 43m
2 stops
£1,145Delta
Thu, 23 Apr - Thu, 30 Apr

WestJet flights from Chicago to Cardiff

Our best WestJet deals on Chicago to Cardiff flight tickets
WestJet
6 Jun
ORD17:30Chicago O'Hare Intl
34h 45m
2 stops
CWL10:15Cardiff Wales
13 Jun
CWL11:35Cardiff Wales
35h 05m
2 stops
ORD16:40Chicago O'Hare Intl
£864
WestJet
28 May
ORD17:30Chicago O'Hare Intl
34h 45m
2 stops
CWL10:15Cardiff Wales
2 Jun
CWL11:35Cardiff Wales
35h 05m
2 stops
ORD16:40Chicago O'Hare Intl
£961

KLM flights from Chicago to Cardiff

Our best KLM deals on Chicago to Cardiff flight tickets
KLM
23 Apr
ORD16:20Chicago O'Hare Intl
18h 25m
1 stop
CWL16:45Cardiff Wales
30 Apr
CWL17:15Cardiff Wales
27h 00m
1 stop
ORD14:15Chicago O'Hare Intl
£692
KLM
21 Apr
ORD16:20Chicago O'Hare Intl
18h 25m
1 stop
CWL16:45Cardiff Wales
7 May
CWL17:15Cardiff Wales
27h 00m
1 stop
ORD14:15Chicago O'Hare Intl
£693
KLM
21 Apr
MDW19:16Chicago Midway
15h 29m
2 stops
CWL16:45Cardiff Wales
7 May
CWL09:45Cardiff Wales
14h 48m
2 stops
MDW18:33Chicago Midway
£703

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 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

Sat 25/4

21:00-21:20

1 stop18h 20m

Cardiff Wales

Sat 2/5

07:30-14:00

1 stop12h 30m

£649

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 21/4

21:00-23:25

1 stop20h 25m

Cardiff Wales

Thu 7/5

22:50-18:15

2 stops25h 25m

£673

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 23/4

16:20-16:45

1 stop18h 25m

Cardiff Wales

Thu 30/4

17:15-14:15

1 stop27h 00m

£692

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 21/4

16:20-16:45

1 stop18h 25m

Cardiff Wales

Thu 7/5

17:15-14:15

1 stop27h 00m

£693

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 23/4

16:20-16:45

1 stop18h 25m

Cardiff Wales

Thu 30/4

09:45-23:59

2 stops20h 14m

£700
Fastest return journey

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Tue 21/4

19:16-16:45

2 stops15h 29m

Cardiff Wales

Thu 7/5

09:45-18:33

2 stops14h 48m

£703

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 21/4

13:06-09:15

2 stops14h 09m

Cardiff Wales

Thu 7/5

09:45-23:59

2 stops20h 14m

£703

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 26/4

06:50-09:15

2 stops20h 25m

Cardiff Wales

Sun 3/5

17:15-14:30

1 stop27h 15m

£733

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 5/4

16:20-09:15

1 stop10h 55m

Cardiff Wales

Sun 12/4

17:15-14:30

1 stop27h 15m

£736

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Thu 23/4

09:27-09:15

2 stops17h 48m

Cardiff Wales

Thu 30/4

09:45-22:28

2 stops18h 43m

£1,145

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?

WestJet and Air Europa 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

15h 25m

Direct flights

None
The fastest flight from Chicago to Cardiff takes 15h 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 15h 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.

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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport