How do I get Price Alerts for flights from Cardiff to Illinois?

Search flight deals from Cardiff to Illinois . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Cardiff to Illinois with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

Prices for flights from Cardiff Wales Airport to Illinois were last updated today.

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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$451 Cheap Flights from Cardiff to Illinois in 2026

Find the cheapest flights from Cardiff to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:15 pm - 9:17 am

CWL

MDW

40h 02m

3 stops

3:15 pm - 10:15 am

MDW

CWL

13h 00m

1 stop

$1,071Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

11:15 pm - 2:00 pm

CWL

ORD

20h 45m

1 stop

3:45 pm - 10:25 pm

ORD

CWL

24h 40m

1 stop

$1,113Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

11:35 am - 7:52 pm

CWL

ORD

14h 17m

1 stop

5:35 pm - 9:45 pm

ORD

CWL

22h 10m

2 stops

$1,143Multiple Airlines

Thu, Aug 6 - Sun, Aug 9

11:15 pm - 2:00 pm

CWL

ORD

20h 45m

1 stop

7:25 pm - 10:25 pm

ORD

CWL

21h 00m

2 stops

$1,152Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

11:35 am - 7:52 pm

CWL

ORD

14h 17m

1 stop

8:40 am - 9:45 pm

ORD

CWL

31h 05m

3 stops

$1,156Multiple Airlines

Thu, Aug 6 - Sun, Aug 9

11:35 am - 7:52 pm

CWL

ORD

14h 17m

1 stop

3:45 pm - 10:15 am

ORD

CWL

12h 30m

1 stop

$1,177Multiple Airlines

Thu, Aug 6 - Fri, Aug 14

11:15 pm - 12:39 pm

CWL

MDW

43h 24m

3 stops

10:25 am - 10:15 am

MDW

CWL

17h 50m

1 stop

$1,186Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

11:35 am - 10:36 pm

CWL

MDW

41h 01m

2 stops

7:25 pm - 10:15 am

MDW

CWL

56h 50m

2 stops

$1,404WestJet

Thu, Aug 6 - Fri, Aug 14

9:45 am - 10:36 pm

CWL

MDW

18h 51m

2 stops

12:46 pm - 9:15 am

MDW

CWL

14h 29m

2 stops

$1,454KLM

Tue, Aug 11 - Fri, Aug 21

9:50 am - 10:36 pm

CWL

MDW

18h 46m

2 stops

7:25 pm - 4:45 pm

MDW

CWL

15h 20m

2 stops

$1,494KLM

Sat, Aug 15 - Sun, Aug 23

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WestJet flights from Cardiff to Illinois

Our best WestJet deals on Cardiff to Illinois flight tickets

WestJet

Aug 6

CWL11:35 amCardiff Wales

41h 01m

2 stops

MDW10:36 pmChicago Midway

Aug 14

MDW7:25 pmChicago Midway

56h 50m

2 stops

CWL10:15 amCardiff Wales

$1,404

WestJet

Aug 6

CWL11:35 amCardiff Wales

31h 23m

2 stops

ORD12:58 pmChicago O'Hare Intl

Aug 9

ORD7:30 pmChicago O'Hare Intl

32h 45m

2 stops

CWL10:15 amCardiff Wales

$1,435

WestJet

Aug 4

CWL11:35 amCardiff Wales

59h 05m

2 stops

ORD4:40 pmChicago O'Hare Intl

Aug 11

ORD5:30 pmChicago O'Hare Intl

34h 45m

2 stops

CWL10:15 amCardiff Wales

$1,578

KLM flights from Cardiff to Illinois

Our best KLM deals on Cardiff to Illinois flight tickets

KLM

Aug 12

CWL5:15 pmCardiff Wales

27h 00m

1 stop

ORD2:15 pmChicago O'Hare Intl

Aug 19

ORD4:50 pmChicago O'Hare Intl

10h 25m

1 stop

CWL9:15 amCardiff Wales

$1,353

KLM

Aug 11

CWL5:15 pmCardiff Wales

27h 15m

1 stop

ORD2:30 pmChicago O'Hare Intl

Aug 21

ORD4:20 pmChicago O'Hare Intl

18h 45m

1 stop

CWL5:05 pmCardiff Wales

$1,380

KLM

Aug 11

CWL5:15 pmCardiff Wales

27h 15m

1 stop

ORD2:30 pmChicago O'Hare Intl

Aug 21

ORD11:23 amChicago O'Hare Intl

15h 52m

2 stops

CWL9:15 amCardiff Wales

$1,449

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Wed 8/12

11:15 pm-9:17 am

3 stops40h 02m

Chicago Midway

Wed 8/19

3:15 pm-10:15 am

1 stop13h 00m

$1,071

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Wed 8/12

11:15 pm-2:00 pm

1 stop20h 45m

Chicago O'Hare Intl

Wed 8/19

3:45 pm-10:25 pm

1 stop24h 40m

$1,113

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 8/6

11:35 am-7:52 pm

1 stop14h 17m

Chicago O'Hare Intl

Sun 8/9

5:35 pm-9:45 pm

2 stops22h 10m

$1,143

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Wed 8/12

11:15 pm-2:00 pm

1 stop20h 45m

Chicago O'Hare Intl

Wed 8/19

7:25 pm-10:25 pm

2 stops21h 00m

$1,152

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 8/6

11:35 am-7:52 pm

1 stop14h 17m

Chicago O'Hare Intl

Sun 8/9

8:40 am-9:45 pm

3 stops31h 05m

$1,156

Quickest round-trip

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 8/6

11:35 am-7:52 pm

1 stop14h 17m

Chicago O'Hare Intl

Fri 8/14

3:45 pm-10:15 am

1 stop12h 30m

$1,177

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Wed 8/12

11:15 pm-12:39 pm

3 stops43h 24m

Chicago Midway

Wed 8/19

10:25 am-10:15 am

1 stop17h 50m

$1,186

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Thu 8/6

11:35 am-10:36 pm

2 stops41h 01m

Chicago Midway

Fri 8/14

7:25 pm-10:15 am

2 stops56h 50m

$1,404

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Tue 8/11

9:45 am-10:36 pm

2 stops18h 51m

Chicago Midway

Fri 8/21

12:46 pm-9:15 am

2 stops14h 29m

$1,454

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Sat 8/15

9:50 am-10:36 pm

2 stops18h 46m

Chicago Midway

Sun 8/23

7:25 pm-4:45 pm

2 stops15h 20m

$1,494

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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	14h 17m
Direct flights	None

The fastest flight from Cardiff to Illinois takes 14h 17m

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 were last updated today.
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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Cardiff to Illinois

How do I get Price Alerts for flights from Cardiff to Illinois?
Search flight deals from Cardiff to Illinois. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Cardiff to Illinois with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cardiff to Illinois. momondo saves you time and could save you money on your trip.

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

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

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

momondo provides multiple filters to help you find the best flight to Illinois from Cardiff. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Illinois from Cardiff are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.