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.

$251 Cheap Flights from London to Illinois in 2026

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Find the cheapest flights from London, Ontario to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:40 am - 3:10 pm

YXU

ORD

6h 30m

1 stop

1:55 pm - 9:21 pm

ORD

YXU

6h 26m

1 stop

$432Air Canada

Sat, Mar 21 - Sat, Mar 28

5:10 am - 11:18 am

YXU

ORD

7h 08m

2 stops

10:00 am - 5:05 pm

ORD

YXU

6h 05m

1 stop

$440Air Canada

Sat, Mar 21 - Sat, Mar 28

5:10 am - 2:55 pm

YXU

ORD

10h 45m

2 stops

7:15 am - 5:05 pm

ORD

YXU

8h 50m

2 stops

$441Air Canada

Sat, Mar 21 - Sat, Mar 28

5:10 am - 9:10 am

YXU

ORD

5h 00m

1 stop

2:15 pm - 9:38 pm

ORD

YXU

6h 23m

1 stop

$455Air Canada

Thu, Apr 30 - Sun, May 3

9:30 am - 2:55 pm

YXU

ORD

6h 25m

1 stop

3:50 pm - 9:38 pm

ORD

YXU

4h 48m

1 stop

$458Air Canada

Fri, May 1 - Mon, May 4

6:00 am - 9:50 am

YXU

ORD

4h 50m

1 stop

11:00 am - 9:38 pm

ORD

YXU

9h 38m

2 stops

$512United Airlines

Fri, May 1 - Mon, May 4

9:30 am - 4:31 pm

YXU

ORD

8h 01m

2 stops

11:00 am - 9:38 pm

ORD

YXU

9h 38m

2 stops

$517United Airlines

Fri, May 1 - Mon, May 4

5:55 pm - 4:50 pm

YXU

MDW

23h 55m

3 stops

10:25 am - 5:25 am

MDW

YXU

18h 00m

3 stops

$819Multiple Airlines

Thu, Apr 30 - Sun, May 3

8:10 pm - 9:54 am

YXU

MDW

14h 44m

2 stops

1:49 pm - 6:35 am

MDW

YXU

15h 46m

2 stops

$1,535WestJet

Mon, Feb 23 - Thu, Feb 26

8:10 pm - 5:45 pm

YXU

MDW

22h 35m

2 stops

9:50 am - 6:35 am

MDW

YXU

19h 45m

2 stops

$1,536WestJet

Mon, Feb 23 - Thu, Feb 26

United Airlines flights from London, Ontario to Illinois

Our best United Airlines deals on London, Ontario to Illinois flight tickets

United Airlines

Apr 30

YXU5:10 amLondon

7h 41m

2 stops

ORD11:51 amChicago O'Hare Intl

May 3

ORD3:50 pmChicago O'Hare Intl

4h 48m

1 stop

YXU9:38 pmLondon

$518

United Airlines

Apr 30

YXU5:10 amLondon

11h 10m

2 stops

ORD3:20 pmChicago O'Hare Intl

May 3

ORD6:00 amChicago O'Hare Intl

10h 33m

2 stops

YXU5:33 pmLondon

$541

United Airlines

Feb 23

YXU5:40 pmLondon

5h 24m

1 stop

ORD10:04 pmChicago O'Hare Intl

Feb 26

ORD12:00 pmChicago O'Hare Intl

8h 21m

2 stops

YXU9:21 pmLondon

$617

Air Canada flights from London, Ontario to Illinois

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

Air Canada

Apr 30

YXU9:25 amLondon

4h 40m

1 stop

ORD1:05 pmChicago O'Hare Intl

May 3

ORD3:50 pmChicago O'Hare Intl

4h 48m

1 stop

YXU9:38 pmLondon

$455

Air Canada

Feb 23

YXU5:10 amLondon

11h 00m

1 stop

ORD3:10 pmChicago O'Hare Intl

Feb 26

ORD10:00 amChicago O'Hare Intl

6h 05m

1 stop

YXU5:05 pmLondon

$600

Air Canada

Feb 23

YXU5:10 amLondon

11h 00m

1 stop

ORD3:10 pmChicago O'Hare Intl

Feb 26

ORD10:00 amChicago O'Hare Intl

6h 05m

1 stop

YXU5:05 pmLondon

$602

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

Sat 3/21

9:40 am-3:10 pm

1 stop6h 30m

Chicago O'Hare Intl

Sat 3/28

1:55 pm-9:21 pm

1 stop6h 26m

$432

LondonChicago

YXU - ORD

YXUORD

London

Sat 3/21

5:10 am-11:18 am

2 stops7h 08m

Chicago O'Hare Intl

Sat 3/28

10:00 am-5:05 pm

1 stop6h 05m

$440

LondonChicago

YXU - ORD

YXUORD

London

Sat 3/21

5:10 am-2:55 pm

2 stops10h 45m

Chicago O'Hare Intl

Sat 3/28

7:15 am-5:05 pm

2 stops8h 50m

$441

LondonChicago

YXU - ORD

YXUORD

London

Thu 4/30

5:10 am-9:10 am

1 stop5h 00m

Chicago O'Hare Intl

Sun 5/3

2:15 pm-9:38 pm

1 stop6h 23m

$455

LondonChicago

YXU - ORD

YXUORD

London

Fri 5/1

9:30 am-2:55 pm

1 stop6h 25m

Chicago O'Hare Intl

Mon 5/4

3:50 pm-9:38 pm

1 stop4h 48m

$458

LondonChicago

YXU - ORD

YXUORD

London

Fri 5/1

6:00 am-9:50 am

1 stop4h 50m

Chicago O'Hare Intl

Mon 5/4

11:00 am-9:38 pm

2 stops9h 38m

$512

LondonChicago

YXU - ORD

YXUORD

London

Fri 5/1

9:30 am-4:31 pm

2 stops8h 01m

Chicago O'Hare Intl

Mon 5/4

11:00 am-9:38 pm

2 stops9h 38m

$517

LondonChicago

YXU - MDW

YXUMDW

London

Thu 4/30

5:55 pm-4:50 pm

3 stops23h 55m

Chicago Midway

Sun 5/3

10:25 am-5:25 am

3 stops18h 00m

$819

LondonChicago

YXU - MDW

YXUMDW

London

Mon 2/23

8:10 pm-9:54 am

2 stops14h 44m

Chicago Midway

Thu 2/26

1:49 pm-6:35 am

2 stops15h 46m

$1,535

LondonChicago

YXU - MDW

YXUMDW

London

Mon 2/23

8:10 pm-5:45 pm

2 stops22h 35m

Chicago Midway

Thu 2/26

9:50 am-6:35 am

2 stops19h 45m

$1,536

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 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	5h 40m
Direct flights	None

The fastest flight from London, Ontario to Illinois takes 5h 40m

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.