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

Prices for flights from London Airport to Illinois are refreshed on a daily basis.

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.

C$ 369 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.

6:10 a.m. - 4:40 p.m.YXU London-ORD Chicago O'Hare Intl

11h 30m1 stop Calgary

1:21 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

14h 59m2 stops Las Vegas Harry Reid Intl Calgary

C$ 674Multiple Airlines

Thu, 10 Sep - Sat, 12 Sep

5:40 a.m. - 12:00 p.m.YXU London-ORD Chicago O'Hare Intl

7h 20m2 stops Toronto Pearson Intl Ottawa

8:45 a.m. - 5:43 p.m.ORD Chicago O'Hare Intl-YXU London

7h 58m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl

C$ 678Air Canada

Tue, 8 Sep - Sat, 12 Sep

5:40 a.m. - 9:00 a.m.YXU London-ORD Chicago O'Hare Intl

4h 20m1 stop Toronto Pearson Intl

4:33 p.m. - 9:40 p.m.ORD Chicago O'Hare Intl-YXU London

4h 07m1 stop Toronto Pearson Intl

C$ 706Air Canada

Sun, 20 Sep - Sun, 27 Sep

5:40 a.m. - 2:27 p.m.YXU London-ORD Chicago O'Hare Intl

9h 47m2 stops Toronto Pearson Intl Washington, D.C. Dulles Intl

2:20 p.m. - 9:40 p.m.ORD Chicago O'Hare Intl-YXU London

6h 20m1 stop Toronto Pearson Intl

C$ 728Air Canada

Sun, 20 Sep - Sun, 27 Sep

10:05 a.m. - 2:55 p.m.YXU London-ORD Chicago O'Hare Intl

5h 50m1 stop Toronto Pearson Intl

3:45 p.m. - 9:40 p.m.ORD Chicago O'Hare Intl-YXU London

4h 55m1 stop Toronto Pearson Intl

C$ 754Air Canada

Thu, 10 Sep - Wed, 16 Sep

3:30 p.m. - 7:48 p.m.YXU London-ORD Chicago O'Hare Intl

5h 18m1 stop Toronto Pearson Intl

2:15 p.m. - 9:40 p.m.ORD Chicago O'Hare Intl-YXU London

6h 25m1 stop Toronto Pearson Intl

C$ 778Air Canada

Tue, 8 Sep - Tue, 15 Sep

5:40 a.m. - 11:21 a.m.YXU London-ORD Chicago O'Hare Intl

6h 41m1 stop Toronto Pearson Intl

8:42 a.m. - 5:43 p.m.ORD Chicago O'Hare Intl-YXU London

8h 01m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl

C$ 786Air Canada

Thu, 10 Sep - Mon, 14 Sep

5:40 a.m. - 11:21 a.m.YXU London-ORD Chicago O'Hare Intl

6h 41m1 stop Toronto Pearson Intl

9:55 a.m. - 2:50 p.m.ORD Chicago O'Hare Intl-YXU London

3h 55m1 stop Toronto Pearson Intl

C$ 800Air Canada

Thu, 10 Sep - Mon, 14 Sep

5:40 a.m. - 2:52 p.m.YXU London-ORD Chicago O'Hare Intl

10h 12m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

9:55 a.m. - 2:50 p.m.ORD Chicago O'Hare Intl-YXU London

3h 55m1 stop Toronto Pearson Intl

C$ 804Air Canada

Thu, 10 Sep - Mon, 14 Sep

3:30 p.m. - 7:48 p.m.YXU London-ORD Chicago O'Hare Intl

5h 18m1 stop Toronto Pearson Intl

12:55 p.m. - 9:40 p.m.ORD Chicago O'Hare Intl-YXU London

7h 45m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl

C$ 820Air Canada

Thu, 10 Sep - Mon, 14 Sep

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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

8 Sep

YXU5:40 a.m.London

7h 20m

2 stops

ORD12:00 p.m.Chicago O'Hare Intl

12 Sep

ORD8:45 a.m.Chicago O'Hare Intl

7h 58m

2 stops

YXU5:43 p.m.London

C$ 678

Air Canada

20 Sep

YXU5:40 a.m.London

4h 20m

1 stop

ORD9:00 a.m.Chicago O'Hare Intl

27 Sep

ORD4:33 p.m.Chicago O'Hare Intl

4h 07m

1 stop

YXU9:40 p.m.London

C$ 706

Air Canada

20 Sep

YXU5:40 a.m.London

9h 47m

2 stops

ORD2:27 p.m.Chicago O'Hare Intl

27 Sep

ORD2:20 p.m.Chicago O'Hare Intl

6h 20m

1 stop

YXU9:40 p.m.London

C$ 728

WestJet flights from London, Ontario to Illinois

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

WestJet

28 Aug

YXU2:40 p.m.London

27h 00m

2 stops

ORD4:40 p.m.Chicago O'Hare Intl

30 Aug

ORD5:30 p.m.Chicago O'Hare Intl

10h 50m

1 stop

YXU5:20 a.m.London

C$ 982

WestJet

8 Sep

YXU6:10 a.m.London

27h 57m

2 stops

MDW9:07 a.m.Chicago Midway

12 Sep

MDW9:59 a.m.Chicago Midway

18h 21m

2 stops

YXU5:20 a.m.London

C$ 1,738

WestJet

10 Sep

YXU6:10 a.m.London

27h 57m

2 stops

MDW9:07 a.m.Chicago Midway

14 Sep

MDW1:19 p.m.Chicago Midway

15h 01m

2 stops

YXU5:20 a.m.London

C$ 2,471

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Thu 10/9

6:10 a.m.-4:40 p.m.

1 stop11h 30m

Chicago O'Hare Intl

Sat 12/9

1:21 p.m.-5:20 a.m.

2 stops14h 59m

C$ 674

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Tue 8/9

5:40 a.m.-12:00 p.m.

2 stops7h 20m

Chicago O'Hare Intl

Sat 12/9

8:45 a.m.-5:43 p.m.

2 stops7h 58m

C$ 678

Quickest round-trip

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Sun 20/9

5:40 a.m.-9:00 a.m.

1 stop4h 20m

Chicago O'Hare Intl

Sun 27/9

4:33 p.m.-9:40 p.m.

1 stop4h 07m

C$ 706

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Sun 20/9

5:40 a.m.-2:27 p.m.

2 stops9h 47m

Chicago O'Hare Intl

Sun 27/9

2:20 p.m.-9:40 p.m.

1 stop6h 20m

C$ 728

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Thu 10/9

10:05 a.m.-2:55 p.m.

1 stop5h 50m

Chicago O'Hare Intl

Wed 16/9

3:45 p.m.-9:40 p.m.

1 stop4h 55m

C$ 754

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Tue 8/9

3:30 p.m.-7:48 p.m.

1 stop5h 18m

Chicago O'Hare Intl

Tue 15/9

2:15 p.m.-9:40 p.m.

1 stop6h 25m

C$ 778

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Thu 10/9

5:40 a.m.-11:21 a.m.

1 stop6h 41m

Chicago O'Hare Intl

Mon 14/9

8:42 a.m.-5:43 p.m.

2 stops8h 01m

C$ 786

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Thu 10/9

5:40 a.m.-11:21 a.m.

1 stop6h 41m

Chicago O'Hare Intl

Mon 14/9

9:55 a.m.-2:50 p.m.

1 stop3h 55m

C$ 800

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Thu 10/9

5:40 a.m.-2:52 p.m.

2 stops10h 12m

Chicago O'Hare Intl

Mon 14/9

9:55 a.m.-2:50 p.m.

1 stop3h 55m

C$ 804

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Thu 10/9

3:30 p.m.-7:48 p.m.

1 stop5h 18m

Chicago O'Hare Intl

Mon 14/9

12:55 p.m.-9:40 p.m.

2 stops7h 45m

C$ 820

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, United Airlines, and WestJet are the most popular carriers operating from London to Illinois

Which 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 59% of people opting to fly with this airline when travelling 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

Fastest flight time	4h 45m
Direct flights	None

The fastest flight from London, Ontario to Illinois takes 4h 45m

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

Search flight deals

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 are refreshed on a daily basis.
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?

It is quick and easy to find London to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

Yes. momondo enables you to select and highlight flights to Illinois from London with this policy.

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

Once all potential London to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of London to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.