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

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

How old do you have to be to fly from London 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 London Airport to Illinois.

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

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$284 Cheap Flights from London, Ontario to Illinois in 2026

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Find the cheapest flights from London, Ontario to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 7:48 pm

YXU

ORD

5h 18m

1 stop

2:15 pm - 9:40 pm

ORD

YXU

6h 25m

1 stop

$511Air Canada

Wed, Oct 21 - Sat, Oct 24

5:40 am - 2:52 pm

YXU

ORD

10h 12m

2 stops

3:45 pm - 9:40 pm

ORD

YXU

4h 55m

1 stop

$515Air Canada

Wed, Oct 21 - Sat, Oct 24

5:40 am - 2:52 pm

YXU

ORD

10h 12m

2 stops

11:05 am - 9:40 pm

ORD

YXU

9h 35m

2 stops

$518Air Canada

Wed, Oct 21 - Sat, Oct 24

10:05 am - 2:55 pm

YXU

ORD

5h 50m

1 stop

9:55 am - 2:58 pm

ORD

YXU

4h 03m

1 stop

$531Air Canada

Sat, Jun 6 - Sat, Jun 13

5:10 am - 9:00 am

YXU

ORD

4h 50m

1 stop

3:50 pm - 9:38 pm

ORD

YXU

4h 48m

1 stop

$533Air Canada

Sat, May 23 - Wed, May 27

5:10 am - 9:00 am

YXU

ORD

4h 50m

1 stop

2:15 pm - 9:38 pm

ORD

YXU

6h 23m

1 stop

$534Air Canada

Sat, May 23 - Wed, May 27

2:40 pm - 9:14 am

YXU

MDW

19h 34m

3 stops

9:17 am - 5:20 am

MDW

YXU

19h 03m

3 stops

$929WestJet

Sun, Jun 7 - Tue, Jun 9

2:40 pm - 9:35 am

YXU

MDW

19h 55m

3 stops

7:16 pm - 5:20 am

MDW

YXU

33h 04m

3 stops

$1,059Multiple Airlines

Fri, Jun 5 - Fri, Jun 12

2:40 pm - 12:46 pm

YXU

MDW

23h 06m

3 stops

9:17 am - 5:20 am

MDW

YXU

19h 03m

2 stops

$1,127WestJet

Sun, Jun 7 - Tue, Jun 9

6:10 am - 6:31 pm

YXU

MDW

13h 21m

2 stops

1:26 pm - 5:20 am

MDW

YXU

14h 54m

2 stops

$1,376WestJet

Sun, Jun 7 - Tue, Jun 9

Air Canada flights from London, Ontario to Illinois

Our best Air Canada deals on London, Ontario to Illinois flight tickets

Air Canada

Oct 21

YXU3:30 pmLondon

5h 18m

1 stop

ORD7:48 pmChicago O'Hare Intl

Oct 24

ORD2:15 pmChicago O'Hare Intl

6h 25m

1 stop

YXU9:40 pmLondon

$511

Air Canada

Oct 21

YXU5:40 amLondon

10h 12m

2 stops

ORD2:52 pmChicago O'Hare Intl

Oct 24

ORD3:45 pmChicago O'Hare Intl

4h 55m

1 stop

YXU9:40 pmLondon

$515

Air Canada

Oct 21

YXU5:40 amLondon

10h 12m

2 stops

ORD2:52 pmChicago O'Hare Intl

Oct 24

ORD11:05 amChicago O'Hare Intl

9h 35m

2 stops

YXU9:40 pmLondon

$518

WestJet flights from London, Ontario to Illinois

Our best WestJet deals on London, Ontario to Illinois flight tickets

WestJet

Jun 7

YXU2:40 pmLondon

19h 34m

3 stops

MDW9:14 amChicago Midway

Jun 9

MDW9:17 amChicago Midway

19h 03m

3 stops

YXU5:20 amLondon

$929

WestJet

Jun 7

YXU2:40 pmLondon

23h 06m

3 stops

MDW12:46 pmChicago Midway

Jun 9

MDW9:17 amChicago Midway

19h 03m

2 stops

YXU5:20 amLondon

$1,127

WestJet

Jun 7

YXU2:40 pmLondon

27h 00m

2 stops

ORD4:40 pmChicago O'Hare Intl

Jun 15

ORD5:30 pmChicago O'Hare Intl

19h 20m

2 stops

YXU1:50 pmLondon

$1,163

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Wed 10/21

3:30 pm-7:48 pm

1 stop5h 18m

Chicago O'Hare Intl

Sat 10/24

2:15 pm-9:40 pm

1 stop6h 25m

$511

LondonChicago

YXU - ORD

YXUORD

London

Wed 10/21

5:40 am-2:52 pm

2 stops10h 12m

Chicago O'Hare Intl

Sat 10/24

3:45 pm-9:40 pm

1 stop4h 55m

$515

LondonChicago

YXU - ORD

YXUORD

London

Wed 10/21

5:40 am-2:52 pm

2 stops10h 12m

Chicago O'Hare Intl

Sat 10/24

11:05 am-9:40 pm

2 stops9h 35m

$518

LondonChicago

YXU - ORD

YXUORD

London

Sat 6/6

10:05 am-2:55 pm

1 stop5h 50m

Chicago O'Hare Intl

Sat 6/13

9:55 am-2:58 pm

1 stop4h 03m

$531

Quickest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Sat 5/23

5:10 am-9:00 am

1 stop4h 50m

Chicago O'Hare Intl

Wed 5/27

3:50 pm-9:38 pm

1 stop4h 48m

$533

LondonChicago

YXU - ORD

YXUORD

London

Sat 5/23

5:10 am-9:00 am

1 stop4h 50m

Chicago O'Hare Intl

Wed 5/27

2:15 pm-9:38 pm

1 stop6h 23m

$534

LondonChicago

YXU - MDW

YXUMDW

London

Sun 6/7

2:40 pm-9:14 am

3 stops19h 34m

Chicago Midway

Tue 6/9

9:17 am-5:20 am

3 stops19h 03m

$929

LondonChicago

YXU - MDW

YXUMDW

London

Fri 6/5

2:40 pm-9:35 am

3 stops19h 55m

Chicago Midway

Fri 6/12

7:16 pm-5:20 am

3 stops33h 04m

$1,059

LondonChicago

YXU - MDW

YXUMDW

London

Sun 6/7

2:40 pm-12:46 pm

3 stops23h 06m

Chicago Midway

Tue 6/9

9:17 am-5:20 am

2 stops19h 03m

$1,127

LondonChicago

YXU - MDW

YXUMDW

London

Sun 6/7

6:10 am-6:31 pm

2 stops13h 21m

Chicago Midway

Tue 6/9

1:26 pm-5:20 am

2 stops14h 54m

$1,376

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London, Ontario 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 London to Illinois?

Air Canada and United Airlines are the most popular carriers operating from London to Illinois

What airlines fly to Illinois?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Illinois from London, Ontario according to our data. Air Canada is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

Cheap London, Ontario to Illinois flight deals and tips

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

Fastest flight time	4h 55m
Direct flights	None

The fastest flight from London, Ontario to Illinois takes 4h 55m

There are no direct flights from London, Ontario to Illinois. There are no popular flight routes from London, Ontario to Illinois.

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Frequently asked questions about flying from London, Ontario to Illinois

When did momondo last update prices for flights from London Airport to Illinois?
Prices for flights from London Airport to Illinois were last updated today.
How old do you have to be to fly from London 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 London Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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 London to Illinois for you.

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

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

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

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

Yes momondo offers price alerts on flights to Illinois from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.