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.

$899 Cheap Flights from Cardiff to Illinois in 2025/26

1 adult

0 bags

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Find the cheapest flights from Cardiff to Illinois

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:20 am - 8:53 pm

CWL

ORD

16h 33m2 stops

1:55 pm - 9:45 am

ORD

CWL

13h 50m2 stops

$899KLM

Sat, Jan 24 - Sat, Jan 31

10:20 am - 6:36 pm

CWL

MDW

38h 16m2 stops

9:33 am - 9:45 am

MDW

CWL

18h 12m2 stops

$900Virgin Atlantic

Sat, Jan 24 - Sat, Jan 31

8:05 pm - 2:45 pm

CWL

ORD

24h 40m2 stops

5:15 am - 8:55 pm

ORD

CWL

33h 40m3 stops

$921Multiple Airlines

Sat, Jan 24 - Sat, Jan 31

10:30 am - 6:55 pm

CWL

ORD

13h 25m1 stop

4:40 pm - 10:20 pm

ORD

CWL

23h 40m2 stops

$1,001Multiple Airlines

Thu, Mar 26 - Thu, Apr 23

10:20 am - 2:20 pm

CWL

ORD

34h 00m1 stop

11:05 am - 9:50 am

ORD

CWL

16h 45m2 stops

$1,004KLM

Thu, Jan 8 - Thu, Jan 15

10:20 am - 2:45 pm

CWL

ORD

34h 25m3 stops

5:15 am - 8:55 pm

ORD

CWL

33h 40m3 stops

$1,005Multiple Airlines

Sat, Jan 24 - Sat, Jan 31

10:30 am - 6:55 pm

CWL

ORD

13h 25m1 stop

6:00 pm - 10:00 pm

ORD

CWL

22h 00m2 stops

$1,012Multiple Airlines

Thu, Mar 26 - Wed, Apr 8

10:30 am - 6:55 pm

CWL

ORD

13h 25m1 stop

3:45 pm - 10:20 pm

ORD

CWL

24h 35m1 stop

$1,016Multiple Airlines

Thu, Mar 26 - Thu, Apr 23

10:20 am - 11:59 pm

CWL

ORD

19h 39m2 stops

11:05 am - 9:50 am

ORD

CWL

16h 45m2 stops

$1,056Multiple Airlines

Thu, Jan 8 - Thu, Jan 15

10:30 am - 11:33 pm

CWL

ORD

18h 03m2 stops

6:00 pm - 10:00 pm

ORD

CWL

22h 00m2 stops

$1,076Multiple Airlines

Thu, Mar 26 - Wed, Apr 8

KLM flights from Cardiff to Illinois

Our best KLM deals on Cardiff to Illinois flight tickets

KLM

Jan 24

CWL10:20 amCardiff Wales

16h 33m

2 stops

ORD8:53 pmChicago O'Hare Intl

Jan 31

ORD1:55 pmChicago O'Hare Intl

13h 50m

2 stops

CWL9:45 amCardiff Wales

$899

Find similar

KLM

Jan 8

CWL10:20 amCardiff Wales

34h 00m

1 stop

ORD2:20 pmChicago O'Hare Intl

Jan 15

ORD11:05 amChicago O'Hare Intl

16h 45m

2 stops

CWL9:50 amCardiff Wales

$1,004

Find similar

KLM

Mar 26

CWL10:20 amCardiff Wales

15h 17m

2 stops

ORD8:37 pmChicago O'Hare Intl

Apr 23

ORD1:15 pmChicago O'Hare Intl

38h 00m

2 stops

CWL9:15 amCardiff Wales

$1,156

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 1/24

10:20 am-8:53 pm

2 stops16h 33m

Chicago O'Hare Intl

Sat 1/31

1:55 pm-9:45 am

2 stops13h 50m

$899

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Sat 1/24

10:20 am-6:36 pm

2 stops38h 16m

Chicago Midway

Sat 1/31

9:33 am-9:45 am

2 stops18h 12m

$900

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 1/24

8:05 pm-2:45 pm

2 stops24h 40m

Chicago O'Hare Intl

Sat 1/31

5:15 am-8:55 pm

3 stops33h 40m

$921

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 3/26

10:30 am-6:55 pm

1 stop13h 25m

Chicago O'Hare Intl

Thu 4/23

4:40 pm-10:20 pm

2 stops23h 40m

$1,001

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 1/8

10:20 am-2:20 pm

1 stop34h 00m

Chicago O'Hare Intl

Thu 1/15

11:05 am-9:50 am

2 stops16h 45m

$1,004

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 1/24

10:20 am-2:45 pm

3 stops34h 25m

Chicago O'Hare Intl

Sat 1/31

5:15 am-8:55 pm

3 stops33h 40m

$1,005

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 3/26

10:30 am-6:55 pm

1 stop13h 25m

Chicago O'Hare Intl

Wed 4/8

6:00 pm-10:00 pm

2 stops22h 00m

$1,012

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 3/26

10:30 am-6:55 pm

1 stop13h 25m

Chicago O'Hare Intl

Thu 4/23

3:45 pm-10:20 pm

1 stop24h 35m

$1,016

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 1/8

10:20 am-11:59 pm

2 stops19h 39m

Chicago O'Hare Intl

Thu 1/15

11:05 am-9:50 am

2 stops16h 45m

$1,056

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 3/26

10:30 am-11:33 pm

2 stops18h 03m

Chicago O'Hare Intl

Wed 4/8

6:00 pm-10:00 pm

2 stops22h 00m

$1,076

Flights are sorted by cheapest round-trip flights first.

Sorted 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	13h 25m
Direct flights	None

The fastest flight from Cardiff to Illinois takes 13h 25m

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

Search flight deals

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.

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.