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

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

How many operators does momondo search for flights from Cardiff Wales Airport to Illinois?

As of May 2026, there is 1 operator available to choose from for flights from Cardiff Wales Airport to Illinois.

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

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 Cardiff Wales Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£312 Cheap Flights from Cardiff to Illinois in 2026

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0 bags

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Find the cheapest flights from Cardiff to Illinois

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

11:35 - 19:25

CWL

ORD

13h 50m

1 stop

20:20 - 10:15

ORD

CWL

31h 55m

1 stop

£581Multiple Airlines

Thu, 4 Jun - Sat, 13 Jun

11:35 - 19:25

CWL

ORD

13h 50m

1 stop

09:55 - 10:15

ORD

CWL

18h 20m

1 stop

£658Multiple Airlines

Mon, 8 Jun - Sun, 14 Jun

11:35 - 09:35

CWL

MDW

28h 00m

1 stop

18:35 - 10:15

MDW

CWL

33h 40m

2 stops

£713Multiple Airlines

Thu, 4 Jun - Sat, 13 Jun

22:10 - 16:59

CWL

ORD

24h 49m

2 stops

08:45 - 10:15

ORD

CWL

19h 30m

2 stops

£713Multiple Airlines

Mon, 8 Jun - Mon, 15 Jun

22:10 - 16:59

CWL

ORD

24h 49m

2 stops

09:45 - 10:15

ORD

CWL

18h 30m

1 stop

£720Multiple Airlines

Mon, 8 Jun - Mon, 15 Jun

11:35 - 09:14

CWL

MDW

27h 39m

2 stops

09:17 - 10:15

MDW

CWL

18h 58m

2 stops

£778WestJet

Mon, 8 Jun - Sun, 14 Jun

11:35 - 09:14

CWL

MDW

27h 39m

2 stops

09:17 - 10:15

MDW

CWL

18h 58m

2 stops

£810WestJet

Mon, 8 Jun - Mon, 15 Jun

11:35 - 13:09

CWL

MDW

31h 34m

2 stops

09:17 - 10:15

MDW

CWL

18h 58m

2 stops

£813WestJet

Tue, 9 Jun - Mon, 15 Jun

09:45 - 22:17

CWL

MDW

18h 32m

2 stops

18:58 - 16:45

MDW

CWL

15h 47m

2 stops

£907Delta

Mon, 8 Jun - Mon, 15 Jun

09:45 - 18:33

CWL

MDW

14h 48m

2 stops

13:26 - 16:45

MDW

CWL

21h 19m

2 stops

£940Delta

Wed, 3 Jun - Sat, 13 Jun

Delta flights from Cardiff to Illinois

Our best Delta deals on Cardiff to Illinois flight tickets

Delta

22 Jun

CWL09:45Cardiff Wales

10h 45m

1 stop

ORD14:30Chicago O'Hare Intl

7 Jul

ORD16:20Chicago O'Hare Intl

18h 25m

1 stop

CWL16:45Cardiff Wales

£832

Delta

22 Jun

CWL09:45Cardiff Wales

10h 45m

1 stop

ORD14:30Chicago O'Hare Intl

7 Jul

ORD08:27Chicago O'Hare Intl

18h 48m

2 stops

CWL09:15Cardiff Wales

£835

Delta

22 Jun

CWL09:45Cardiff Wales

16h 46m

2 stops

ORD20:31Chicago O'Hare Intl

6 Jul

ORD19:17Chicago O'Hare Intl

15h 28m

2 stops

CWL16:45Cardiff Wales

£836

Air France flights from Cardiff to Illinois

Our best Air France deals on Cardiff to Illinois flight tickets

Air France

8 Jun

CWL09:45Cardiff Wales

10h 45m

1 stop

ORD14:30Chicago O'Hare Intl

15 Jun

ORD16:50Chicago O'Hare Intl

17h 55m

1 stop

CWL16:45Cardiff Wales

£846

Air France

26 Jun

CWL17:15Cardiff Wales

27h 00m

1 stop

ORD14:15Chicago O'Hare Intl

3 Jul

ORD16:20Chicago O'Hare Intl

18h 45m

1 stop

CWL17:05Cardiff Wales

£958

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 4/6

11:35-19:25

1 stop13h 50m

Chicago O'Hare Intl

Sat 13/6

20:20-10:15

1 stop31h 55m

£581

Fastest return journey

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 8/6

11:35-19:25

1 stop13h 50m

Chicago O'Hare Intl

Sun 14/6

09:55-10:15

1 stop18h 20m

£658

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Thu 4/6

11:35-09:35

1 stop28h 00m

Chicago Midway

Sat 13/6

18:35-10:15

2 stops33h 40m

£713

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 8/6

22:10-16:59

2 stops24h 49m

Chicago O'Hare Intl

Mon 15/6

08:45-10:15

2 stops19h 30m

£713

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 8/6

22:10-16:59

2 stops24h 49m

Chicago O'Hare Intl

Mon 15/6

09:45-10:15

1 stop18h 30m

£720

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Mon 8/6

11:35-09:14

2 stops27h 39m

Chicago Midway

Sun 14/6

09:17-10:15

2 stops18h 58m

£778

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Mon 8/6

11:35-09:14

2 stops27h 39m

Chicago Midway

Mon 15/6

09:17-10:15

2 stops18h 58m

£810

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Tue 9/6

11:35-13:09

2 stops31h 34m

Chicago Midway

Mon 15/6

09:17-10:15

2 stops18h 58m

£813

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Mon 8/6

09:45-22:17

2 stops18h 32m

Chicago Midway

Mon 15/6

18:58-16:45

2 stops15h 47m

£907

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Wed 3/6

09:45-18:33

2 stops14h 48m

Chicago Midway

Sat 13/6

13:26-16:45

2 stops21h 19m

£940

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cardiff to Illinois

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 Cardiff Wales to Illinois?

WestJet and KLM are the most popular carriers operating from Cardiff Wales to Illinois

Cheap Cardiff to Illinois flight deals and tips

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

Fastest flight time	16h 29m
Direct flights	None

The fastest flight from Cardiff to Illinois takes 16h 29m

There are no direct flights from Cardiff to Illinois. There are no popular flight routes from Cardiff to Illinois.

Search flight deals

Frequently asked questions about flying from Cardiff to Illinois

When did momondo last update prices for flights from Cardiff Wales Airport to Illinois?
Prices for flights from Cardiff Wales Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Cardiff Wales Airport to Illinois?
As of May 2026, there is 1 operator available to choose from for flights from Cardiff Wales Airport to Illinois.
How old do you have to be to fly from Cardiff Wales Airport to Illinois?
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 Cardiff Wales Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Cardiff to Illinois

Compare and see reviews for airlines that fly from Cardiff to Illinois with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom £693	Free Cancellation	Rating 7.8 1,517 reviews		Search KLM flights

Why use momondo?

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

It is quick and easy to find Cardiff to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

momondo does allow users to show only those flights to Illinois from Cardiff which offer a flexible booking policy as well as other useful filters and features.

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

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 Cardiff to Illinois.

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

Yes. momondo can track prices for Cardiff to Illinois 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.