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.

$298 Cheap Flights from London, Ontario to Illinois in 2026

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.

3:25 pm - 7:35 pm

YXU

ORD

5h 10m

1 stop

9:50 am - 3:06 pm

ORD

YXU

4h 16m

1 stop

$529Air Canada

Sat, Oct 31 - Wed, Nov 4

5:45 am - 2:55 pm

YXU

ORD

10h 10m

2 stops

9:50 am - 3:06 pm

ORD

YXU

4h 16m

1 stop

$532Air Canada

Sat, Oct 31 - Wed, Nov 4

3:25 pm - 7:43 pm

YXU

ORD

5h 18m

1 stop

4:30 pm - 9:52 pm

ORD

YXU

4h 22m

1 stop

$534Air Canada

Sat, Oct 31 - Wed, Nov 4

3:25 pm - 7:43 pm

YXU

ORD

5h 18m

1 stop

4:30 pm - 9:52 pm

ORD

YXU

4h 22m

1 stop

$535Air Canada

Sat, Oct 31 - Wed, Nov 4

3:25 pm - 7:43 pm

YXU

ORD

5h 18m

1 stop

4:30 pm - 9:52 pm

ORD

YXU

4h 22m

1 stop

$536Air Canada

Sat, Oct 31 - Wed, Nov 4

9:15 am - 7:52 pm

YXU

ORD

11h 37m

2 stops

4:30 pm - 9:52 pm

ORD

YXU

4h 22m

1 stop

$537Air Canada

Sat, Oct 31 - Wed, Nov 4

6:10 am - 4:40 pm

YXU

ORD

11h 30m

1 stop

5:30 pm - 5:20 am

ORD

YXU

10h 50m

1 stop

$542WestJet

Thu, Sep 3 - Sat, Sep 5

2:40 pm - 12:39 pm

YXU

MDW

22h 59m

3 stops

10:25 am - 5:20 am

MDW

YXU

17h 55m

3 stops

$949Multiple Airlines

Tue, Aug 11 - Tue, Aug 18

6:10 am - 6:33 pm

YXU

MDW

13h 23m

2 stops

9:24 am - 5:20 am

MDW

YXU

18h 56m

2 stops

$1,179WestJet

Thu, Sep 3 - Fri, Sep 4

2:40 pm - 12:39 pm

YXU

MDW

22h 59m

3 stops

9:59 am - 5:20 am

MDW

YXU

18h 21m

2 stops

$1,197WestJet

Tue, Aug 11 - Tue, Aug 18

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Air Canada flights from London, Ontario to Illinois

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

Air Canada

Oct 31

YXU3:25 pmLondon

5h 10m

1 stop

ORD7:35 pmChicago O'Hare Intl

Nov 4

ORD9:50 amChicago O'Hare Intl

4h 16m

1 stop

YXU3:06 pmLondon

$529

Air Canada

Oct 31

YXU5:45 amLondon

10h 10m

2 stops

ORD2:55 pmChicago O'Hare Intl

Nov 4

ORD9:50 amChicago O'Hare Intl

4h 16m

1 stop

YXU3:06 pmLondon

$532

Air Canada

Oct 31

YXU3:25 pmLondon

5h 18m

1 stop

ORD7:43 pmChicago O'Hare Intl

Nov 4

ORD4:30 pmChicago O'Hare Intl

4h 22m

1 stop

YXU9:52 pmLondon

$534

United Airlines flights from London, Ontario to Illinois

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

United Airlines

Oct 31

YXU3:25 pmLondon

9h 17m

2 stops

ORD11:42 pmChicago O'Hare Intl

Nov 4

ORD6:00 amChicago O'Hare Intl

8h 06m

2 stops

YXU3:06 pmLondon

$601

United Airlines

Nov 19

YXU5:45 amLondon

11h 52m

2 stops

ORD4:37 pmChicago O'Hare Intl

Nov 22

ORD4:00 pmChicago O'Hare Intl

4h 46m

1 stop

YXU9:46 pmLondon

$606

United Airlines

Sep 3

YXU3:30 pmLondon

8h 52m

2 stops

ORD11:22 pmChicago O'Hare Intl

Sep 5

ORD2:15 pmChicago O'Hare Intl

6h 25m

1 stop

YXU9:40 pmLondon

$618

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Sat 10/31

3:25 pm-7:35 pm

1 stop5h 10m

Chicago O'Hare Intl

Wed 11/4

9:50 am-3:06 pm

1 stop4h 16m

$529

LondonChicago

YXU - ORD

YXUORD

London

Sat 10/31

5:45 am-2:55 pm

2 stops10h 10m

Chicago O'Hare Intl

Wed 11/4

9:50 am-3:06 pm

1 stop4h 16m

$532

LondonChicago

YXU - ORD

YXUORD

London

Sat 10/31

3:25 pm-7:43 pm

1 stop5h 18m

Chicago O'Hare Intl

Wed 11/4

4:30 pm-9:52 pm

1 stop4h 22m

$534

LondonChicago

YXU - ORD

YXUORD

London

Sat 10/31

3:25 pm-7:43 pm

1 stop5h 18m

Chicago O'Hare Intl

Wed 11/4

4:30 pm-9:52 pm

1 stop4h 22m

$535

LondonChicago

YXU - ORD

YXUORD

London

Sat 10/31

3:25 pm-7:43 pm

1 stop5h 18m

Chicago O'Hare Intl

Wed 11/4

4:30 pm-9:52 pm

1 stop4h 22m

$536

LondonChicago

YXU - ORD

YXUORD

London

Sat 10/31

9:15 am-7:52 pm

2 stops11h 37m

Chicago O'Hare Intl

Wed 11/4

4:30 pm-9:52 pm

1 stop4h 22m

$537

LondonChicago

YXU - ORD

YXUORD

London

Thu 9/3

6:10 am-4:40 pm

1 stop11h 30m

Chicago O'Hare Intl

Sat 9/5

5:30 pm-5:20 am

1 stop10h 50m

$542

LondonChicago

YXU - MDW

YXUMDW

London

Tue 8/11

2:40 pm-12:39 pm

3 stops22h 59m

Chicago Midway

Tue 8/18

10:25 am-5:20 am

3 stops17h 55m

$949

LondonChicago

YXU - MDW

YXUMDW

London

Thu 9/3

6:10 am-6:33 pm

2 stops13h 23m

Chicago Midway

Fri 9/4

9:24 am-5:20 am

2 stops18h 56m

$1,179

LondonChicago

YXU - MDW

YXUMDW

London

Tue 8/11

2:40 pm-12:39 pm

3 stops22h 59m

Chicago Midway

Tue 8/18

9:59 am-5:20 am

2 stops18h 21m

$1,197

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 46% 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 59m
Direct flights	None

The fastest flight from London, Ontario to Illinois takes 4h 59m

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.