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Cheap flights from Chicago to Cardiff from £265

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 8/7. 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
18:35 - 10:15
MDW
-
CWL
33h 40m
2 stops
Multiple Airlines Logo
11:35 - 14:35
CWL
-
MDW
33h 00m
1 stop
£761Multiple Airlines
Sat, 4 Jul - Thu, 30 Jul
KLM Logo
16:50 - 16:45
ORD
-
CWL
17h 55m
1 stop
KLM Logo
17:15 - 14:15
CWL
-
ORD
27h 00m
1 stop
£799KLM
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
21:00 - 22:25
ORD
-
CWL
19h 25m
1 stop
Multiple Airlines Logo
23:30 - 16:00
CWL
-
ORD
46h 30m
2 stops
£799Multiple Airlines
Wed, 6 May - Wed, 13 May
Delta Logo
09:29 - 09:15
MDW
-
CWL
17h 46m
2 stops
Delta Logo
09:45 - 21:09
CWL
-
MDW
17h 24m
2 stops
£809Delta
Wed, 6 May - Wed, 13 May
KLM Logo
12:14 - 09:15
ORD
-
CWL
15h 01m
2 stops
KLM Logo
09:45 - 20:14
CWL
-
ORD
16h 29m
2 stops
£809KLM
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
21:00 - 21:20
ORD
-
CWL
18h 20m
1 stop
Multiple Airlines Logo
22:45 - 16:05
CWL
-
ORD
23h 20m
2 stops
£818Multiple Airlines
Sat, 9 May - Fri, 15 May
Multiple Airlines Logo
15:45 - 22:50
ORD
-
CWL
25h 05m
1 stop
Multiple Airlines Logo
10:25 - 17:50
CWL
-
ORD
37h 25m
2 stops
£819Multiple Airlines
Mon, 18 May - Mon, 25 May
Multiple Airlines Logo
12:47 - 21:45
ORD
-
CWL
26h 58m
3 stops
Multiple Airlines Logo
07:30 - 19:40
CWL
-
ORD
18h 10m
2 stops
£831Multiple Airlines
Sun, 3 May - Sat, 9 May
Air France Logo
16:50 - 16:45
ORD
-
CWL
17h 55m
1 stop
Air France Logo
17:15 - 14:15
CWL
-
ORD
27h 00m
1 stop
£840Air France
Mon, 4 May - Wed, 20 May
Delta Logo
17:10 - 16:45
MDW
-
CWL
17h 35m
2 stops
Delta Logo
09:45 - 18:33
CWL
-
MDW
14h 48m
2 stops
£1,173Delta
Mon, 18 May - Mon, 25 May

Aer Lingus flights from Chicago to Cardiff

Our best Aer Lingus deals on Chicago to Cardiff flight tickets
Aer Lingus
3 May
ORD21:15Chicago O'Hare Intl
32h 15m
2 stops
CWL11:30Cardiff Wales
9 May
CWL12:00Cardiff Wales
36h 15m
2 stops
ORD18:15Chicago O'Hare Intl
£1,117
Aer Lingus
5 Jun
ORD21:15Chicago O'Hare Intl
32h 15m
2 stops
CWL11:30Cardiff Wales
5 Jul
CWL12:00Cardiff Wales
31h 50m
2 stops
ORD13:50Chicago O'Hare Intl
£1,480
Aer Lingus
29 Jun
ORD21:15Chicago O'Hare Intl
32h 15m
2 stops
CWL11:30Cardiff Wales
4 Jul
CWL12:00Cardiff Wales
31h 50m
2 stops
ORD13:50Chicago O'Hare Intl
£1,496

KLM flights from Chicago to Cardiff

Our best KLM deals on Chicago to Cardiff flight tickets
KLM
6 May
ORD16:50Chicago O'Hare Intl
17h 55m
1 stop
CWL16:45Cardiff Wales
13 May
CWL17:15Cardiff Wales
27h 00m
1 stop
ORD14:15Chicago O'Hare Intl
£799
KLM
6 May
ORD12:14Chicago O'Hare Intl
15h 01m
2 stops
CWL09:15Cardiff Wales
13 May
CWL09:45Cardiff Wales
16h 29m
2 stops
ORD20:14Chicago O'Hare Intl
£809
KLM
9 May
ORD16:20Chicago O'Hare Intl
18h 25m
1 stop
CWL16:45Cardiff Wales
15 May
CWL17:15Cardiff Wales
27h 00m
1 stop
ORD14:15Chicago O'Hare Intl
£873

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 9 April 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

MDW - CWL

MDWCWL

Chicago Midway

Sat 4/7

18:35-10:15

2 stops33h 40m

Cardiff Wales

Thu 30/7

11:35-14:35

1 stop33h 00m

£761

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 6/5

16:50-16:45

1 stop17h 55m

Cardiff Wales

Wed 13/5

17:15-14:15

1 stop27h 00m

£799

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 6/5

21:00-22:25

1 stop19h 25m

Cardiff Wales

Wed 13/5

23:30-16:00

2 stops46h 30m

£799

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Wed 6/5

09:29-09:15

2 stops17h 46m

Cardiff Wales

Wed 13/5

09:45-21:09

2 stops17h 24m

£809
Fastest return journey

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 6/5

12:14-09:15

2 stops15h 01m

Cardiff Wales

Wed 13/5

09:45-20:14

2 stops16h 29m

£809

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 9/5

21:00-21:20

1 stop18h 20m

Cardiff Wales

Fri 15/5

22:45-16:05

2 stops23h 20m

£818

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 18/5

15:45-22:50

1 stop25h 05m

Cardiff Wales

Mon 25/5

10:25-17:50

2 stops37h 25m

£819

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 3/5

12:47-21:45

3 stops26h 58m

Cardiff Wales

Sat 9/5

07:30-19:40

2 stops18h 10m

£831

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 4/5

16:50-16:45

1 stop17h 55m

Cardiff Wales

Wed 20/5

17:15-14:15

1 stop27h 00m

£840

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Mon 18/5

17:10-16:45

2 stops17h 35m

Cardiff Wales

Mon 25/5

09:45-18:33

2 stops14h 48m

£1,173

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?

Virgin Atlantic, Scandinavian Airlines, 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

16h 09m

Direct flights

None
The fastest flight from Chicago to Cardiff takes 16h 09m
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 16h 09m, 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