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.

$487 Cheap Flights from London to Illinois in 2025/26

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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.

5:10 am - 9:10 amYXU-ORD

5h 00m1 stop

2:00 pm - 9:18 pmORD-YXU

6h 18m1 stop

$487Air Canada

Find Deal

Tue, Apr 28 - Wed, Apr 29

5:10 am - 2:55 pmYXU-ORD

10h 45m2 stops

1:12 pm - 9:18 pmORD-YXU

7h 06m2 stops

$539Air Canada

Find Deal

Tue, Apr 28 - Wed, Apr 29

5:15 am - 1:01 pmYXU-ORD

8h 46m1 stop

10:00 am - 5:05 pmORD-YXU

6h 05m1 stop

$563Air Canada

Find Deal

Fri, Nov 28 - Sat, Nov 29

5:40 pm - 11:43 pmYXU-ORD

7h 03m2 stops

7:05 am - 5:05 pmORD-YXU

9h 00m2 stops

$580Multiple Airlines

Find Deal

Fri, Nov 28 - Sat, Nov 29

8:10 pm - 1:35 pmYXU-ORD

18h 25m1 stop

9:06 pm - 7:12 pmORD-YXU

21h 06m2 stops

$676Multiple Airlines

Find Deal

Sun, Nov 30 - Sun, Dec 7

5:15 am - 10:05 amYXU-ORD

5h 50m1 stop

10:00 am - 5:05 pmORD-YXU

6h 05m1 stop

$755Air Canada

Find Deal

Sun, Nov 30 - Sun, Dec 7

5:15 am - 2:11 pmYXU-ORD

9h 56m2 stops

10:38 am - 9:21 pmORD-YXU

9h 43m2 stops

$963Multiple Airlines

Find Deal

Sun, Nov 30 - Sun, Dec 7

8:00 am - 9:51 amYXU-MDW

26h 51m2 stops

10:35 am - 6:35 amMDW-YXU

19h 00m2 stops

$1,395WestJet

Find Deal

Tue, Apr 14 - Thu, Apr 16

8:00 am - 9:51 amYXU-MDW

26h 51m2 stops

10:35 am - 6:35 amMDW-YXU

19h 00m2 stops

$1,396WestJet

Find Deal

Tue, Apr 14 - Thu, Apr 16

8:10 pm - 7:22 pmYXU-ORD

24h 12m3 stops

11:49 am - 7:12 pmORD-YXU

30h 23m2 stops

$1,736Multiple Airlines

Find Deal

Sun, Nov 30 - Sun, Dec 7

Air Canada flights from London, Ontario to Illinois

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

Air Canada

Apr 28

YXU5:10 amLondon

5h 00m

1 stop

ORD9:10 amChicago O'Hare Intl

Apr 29

ORD2:00 pmChicago O'Hare Intl

6h 18m

1 stop

YXU9:18 pmLondon

$487

Find similar

Air Canada

Apr 28

YXU5:10 amLondon

10h 45m

2 stops

ORD2:55 pmChicago O'Hare Intl

Apr 29

ORD1:12 pmChicago O'Hare Intl

7h 06m

2 stops

YXU9:18 pmLondon

$539

Find similar

Air Canada

Nov 28

YXU5:15 amLondon

8h 46m

1 stop

ORD1:01 pmChicago O'Hare Intl

Nov 29

ORD10:00 amChicago O'Hare Intl

6h 05m

1 stop

YXU5:05 pmLondon

$563

Find similar

WestJet flights from London, Ontario to Illinois

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

WestJet

Apr 14

YXU8:00 amLondon

26h 51m

2 stops

MDW9:51 amChicago Midway

Apr 16

MDW10:35 amChicago Midway

19h 00m

2 stops

YXU6:35 amLondon

$1,395

Find similar

WestJet

Apr 14

YXU8:00 amLondon

26h 51m

2 stops

MDW9:51 amChicago Midway

Apr 16

MDW10:35 amChicago Midway

19h 00m

2 stops

YXU6:35 amLondon

$1,396

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

Tue 4/28

5:10 am-9:10 am

1 stop5h 00m

Chicago O'Hare Intl

Wed 4/29

2:00 pm-9:18 pm

1 stop6h 18m

$487

LondonChicago

YXU - ORD

YXUORD

London

Tue 4/28

5:10 am-2:55 pm

2 stops10h 45m

Chicago O'Hare Intl

Wed 4/29

1:12 pm-9:18 pm

2 stops7h 06m

$539

LondonChicago

YXU - ORD

YXUORD

London

Fri 11/28

5:15 am-1:01 pm

1 stop8h 46m

Chicago O'Hare Intl

Sat 11/29

10:00 am-5:05 pm

1 stop6h 05m

$563

LondonChicago

YXU - ORD

YXUORD

London

Fri 11/28

5:40 pm-11:43 pm

2 stops7h 03m

Chicago O'Hare Intl

Sat 11/29

7:05 am-5:05 pm

2 stops9h 00m

$580

LondonChicago

YXU - ORD

YXUORD

London

Sun 11/30

8:10 pm-1:35 pm

1 stop18h 25m

Chicago O'Hare Intl

Sun 12/7

9:06 pm-7:12 pm

2 stops21h 06m

$676

LondonChicago

YXU - ORD

YXUORD

London

Sun 11/30

5:15 am-10:05 am

1 stop5h 50m

Chicago O'Hare Intl

Sun 12/7

10:00 am-5:05 pm

1 stop6h 05m

$755

LondonChicago

YXU - ORD

YXUORD

London

Sun 11/30

5:15 am-2:11 pm

2 stops9h 56m

Chicago O'Hare Intl

Sun 12/7

10:38 am-9:21 pm

2 stops9h 43m

$963

LondonChicago

YXU - MDW

YXUMDW

London

Tue 4/14

8:00 am-9:51 am

2 stops26h 51m

Chicago Midway

Thu 4/16

10:35 am-6:35 am

2 stops19h 00m

$1,395

LondonChicago

YXU - MDW

YXUMDW

London

Tue 4/14

8:00 am-9:51 am

2 stops26h 51m

Chicago Midway

Thu 4/16

10:35 am-6:35 am

2 stops19h 00m

$1,396

LondonChicago

YXU - ORD

YXUORD

London

Sun 11/30

8:10 pm-7:22 pm

3 stops24h 12m

Chicago O'Hare Intl

Sun 12/7

11:49 am-7:12 pm

2 stops30h 23m

$1,736

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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 is the most popular carrier 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 52% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 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

Direct flights	None

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

Search flight deals

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.