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Cheap flights from Illinois to Cardiff from $398

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Cardiff departing on 6/10. 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 Illinois to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:45 pm - 9:45 pm
ORD
-
CWL
24h 00m
1 stop
Multiple Airlines Logo
10:50 pm - 4:00 pm
CWL
-
ORD
23h 10m
2 stops
$894Multiple Airlines
Sun, Aug 16 - Thu, Aug 27
Multiple Airlines Logo
9:00 pm - 10:50 pm
ORD
-
CWL
19h 50m
1 stop
Multiple Airlines Logo
11:15 pm - 2:00 pm
CWL
-
ORD
20h 45m
1 stop
$914Multiple Airlines
Mon, Aug 17 - Tue, Aug 25
Multiple Airlines Logo
9:00 pm - 9:45 pm
ORD
-
CWL
18h 45m
1 stop
Multiple Airlines Logo
11:30 pm - 5:50 pm
CWL
-
ORD
24h 20m
2 stops
$917Multiple Airlines
Sun, Aug 16 - Wed, Aug 26
Multiple Airlines Logo
9:00 pm - 10:50 pm
ORD
-
CWL
19h 50m
1 stop
Multiple Airlines Logo
10:10 pm - 2:00 pm
CWL
-
ORD
21h 50m
1 stop
$923Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
3:45 pm - 9:45 pm
ORD
-
CWL
24h 00m
1 stop
Multiple Airlines Logo
11:30 pm - 2:00 pm
CWL
-
ORD
20h 30m
1 stop
$925Multiple Airlines
Sun, Aug 16 - Wed, Aug 26
Multiple Airlines Logo
9:00 pm - 9:45 pm
ORD
-
CWL
18h 45m
1 stop
Multiple Airlines Logo
10:10 pm - 5:50 pm
CWL
-
ORD
25h 40m
2 stops
$926Multiple Airlines
Sun, Aug 16 - Mon, Aug 24
Delta Logo
1:05 pm - 9:15 am
MDW
-
CWL
14h 10m
2 stops
Delta Logo
9:45 am - 9:46 pm
CWL
-
MDW
18h 01m
2 stops
$1,064Delta
Mon, Aug 17 - Fri, Aug 28
KLM Logo
7:13 pm - 4:45 pm
MDW
-
CWL
15h 32m
2 stops
KLM Logo
9:45 am - 9:09 pm
CWL
-
MDW
17h 24m
2 stops
$1,080KLM
Tue, May 12 - Tue, May 19
Virgin Atlantic Logo
7:13 pm - 4:45 pm
MDW
-
CWL
39h 32m
2 stops
Virgin Atlantic Logo
5:15 pm - 5:56 pm
CWL
-
MDW
30h 41m
2 stops
$1,096Virgin Atlantic
Fri, May 8 - Fri, May 15
KLM Logo
7:13 pm - 4:45 pm
MDW
-
CWL
15h 32m
2 stops
KLM Logo
9:45 am - 9:09 pm
CWL
-
MDW
17h 24m
2 stops
$1,190KLM
Sat, May 9 - Sat, May 16

Virgin Atlantic flights from Illinois to Cardiff

Our best Virgin Atlantic deals on Illinois to Cardiff flight tickets
Virgin Atlantic
May 12
ORD4:20 pmChicago O'Hare Intl
18h 25m
1 stop
CWL4:45 pmCardiff Wales
May 19
CWL5:15 pmCardiff Wales
27h 15m
1 stop
ORD2:30 pmChicago O'Hare Intl
$1,049
Virgin Atlantic
May 12
ORD2:00 pmChicago O'Hare Intl
20h 45m
2 stops
CWL4:45 pmCardiff Wales
May 19
CWL9:45 amCardiff Wales
18h 42m
2 stops
ORD10:27 pmChicago O'Hare Intl
$1,067
Virgin Atlantic
May 8
MDW7:13 pmChicago Midway
39h 32m
2 stops
CWL4:45 pmCardiff Wales
May 15
CWL5:15 pmCardiff Wales
30h 41m
2 stops
MDW5:56 pmChicago Midway
$1,096

KLM flights from Illinois to Cardiff

Our best KLM deals on Illinois to Cardiff flight tickets
KLM
May 11
ORD4:50 pmChicago O'Hare Intl
17h 55m
1 stop
CWL4:45 pmCardiff Wales
May 18
CWL5:15 pmCardiff Wales
27h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,076
KLM
May 12
MDW7:13 pmChicago Midway
15h 32m
2 stops
CWL4:45 pmCardiff Wales
May 19
CWL9:45 amCardiff Wales
17h 24m
2 stops
MDW9:09 pmChicago Midway
$1,080
KLM
Aug 16
ORD12:15 pmChicago O'Hare Intl
15h 00m
2 stops
CWL9:15 amCardiff Wales
Aug 26
CWL9:45 amCardiff Wales
18h 21m
2 stops
ORD10:06 pmChicago O'Hare Intl
$1,091

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 832,500 searches. Data last updated March 29, 2026.
Use the filters below to find and compare flights from Illinois to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 8/16

3:45 pm-9:45 pm

1 stop24h 00m

Cardiff Wales

Thu 8/27

10:50 pm-4:00 pm

2 stops23h 10m

$894

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 8/17

9:00 pm-10:50 pm

1 stop19h 50m

Cardiff Wales

Tue 8/25

11:15 pm-2:00 pm

1 stop20h 45m

$914

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 8/16

9:00 pm-9:45 pm

1 stop18h 45m

Cardiff Wales

Wed 8/26

11:30 pm-5:50 pm

2 stops24h 20m

$917

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 8/17

9:00 pm-10:50 pm

1 stop19h 50m

Cardiff Wales

Mon 8/24

10:10 pm-2:00 pm

1 stop21h 50m

$923

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 8/16

3:45 pm-9:45 pm

1 stop24h 00m

Cardiff Wales

Wed 8/26

11:30 pm-2:00 pm

1 stop20h 30m

$925

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 8/16

9:00 pm-9:45 pm

1 stop18h 45m

Cardiff Wales

Mon 8/24

10:10 pm-5:50 pm

2 stops25h 40m

$926
Quickest round-trip

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Mon 8/17

1:05 pm-9:15 am

2 stops14h 10m

Cardiff Wales

Fri 8/28

9:45 am-9:46 pm

2 stops18h 01m

$1,064

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Tue 5/12

7:13 pm-4:45 pm

2 stops15h 32m

Cardiff Wales

Tue 5/19

9:45 am-9:09 pm

2 stops17h 24m

$1,080

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Fri 5/8

7:13 pm-4:45 pm

2 stops39h 32m

Cardiff Wales

Fri 5/15

5:15 pm-5:56 pm

2 stops30h 41m

$1,096

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sat 5/9

7:13 pm-4:45 pm

2 stops15h 32m

Cardiff Wales

Sat 5/16

9:45 am-9:09 pm

2 stops17h 24m

$1,190

Flights are sorted by cheapest round-trip 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 Illinois 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

Can stopping save me money on Illinois to Cardiff flights?

You could potentially save up to 57% on your flight if you consider stops on a Illinois to Cardiff flight.

Cheap Illinois to Cardiff flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Cardiff

Fastest flight time

10h 55m

Direct flights

None
The fastest flight from Illinois to Cardiff takes 10h 55m
There are no direct flights from Illinois to Cardiff. There are no popular flight routes from Illinois to Cardiff.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Cardiff Wales Airport?

    Prices for flights from Illinois to Cardiff Wales Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Illinois to Cardiff Wales Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The travel and health documents you'll need for your trip to Cardiff Wales Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cardiff Wales Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Cardiff?

Finding the right flight to Cardiff from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cardiff quick and easy, saving you time and money.

Can I find flights from Illinois to Cardiff with flexible booking policies on momondo?

Yes. All flights to Cardiff from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois 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 Illinois to Cardiff.

I’m not ready to book a flight from Illinois to Cardiff right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Cardiff now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cardiff and let you know when they change.

An easier way to manage your Cardiff trip

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Aer Lingus