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 66% 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.

What is the cheapest airline that flies from London to Illinois?

WestJet and Air Canada are the most popular carriers operating from London 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.

C$ 403 Cheap Flights from London to Illinois in 2025/26

1 adult

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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 a.m. - 9:10 a.m.YXU-ORD

5h 00m1 stop

2:00 p.m. - 9:18 p.m.ORD-YXU

6h 18m1 stop

C$ 682Air Canada

Find Deal

Tue, 28 Apr - Wed, 29 Apr

5:10 a.m. - 2:55 p.m.YXU-ORD

10h 45m2 stops

1:12 p.m. - 9:18 p.m.ORD-YXU

7h 06m2 stops

C$ 755Air Canada

Find Deal

Tue, 28 Apr - Wed, 29 Apr

5:15 a.m. - 1:01 p.m.YXU-ORD

8h 46m1 stop

10:00 a.m. - 5:05 p.m.ORD-YXU

6h 05m1 stop

C$ 789Air Canada

Find Deal

Fri, 28 Nov - Sat, 29 Nov

5:40 p.m. - 11:43 p.m.YXU-ORD

7h 03m2 stops

7:05 a.m. - 5:05 p.m.ORD-YXU

9h 00m2 stops

C$ 813Multiple Airlines

Find Deal

Fri, 28 Nov - Sat, 29 Nov

8:10 p.m. - 1:35 p.m.YXU-ORD

18h 25m1 stop

9:06 p.m. - 7:12 p.m.ORD-YXU

21h 06m2 stops

C$ 947Multiple Airlines

Find Deal

Sun, 30 Nov - Sun, 7 Dec

5:15 a.m. - 10:05 a.m.YXU-ORD

5h 50m1 stop

10:00 a.m. - 5:05 p.m.ORD-YXU

6h 05m1 stop

C$ 1,058Air Canada

Find Deal

Sun, 30 Nov - Sun, 7 Dec

5:15 a.m. - 2:11 p.m.YXU-ORD

9h 56m2 stops

10:38 a.m. - 9:21 p.m.ORD-YXU

9h 43m2 stops

C$ 1,349Multiple Airlines

Find Deal

Sun, 30 Nov - Sun, 7 Dec

8:00 a.m. - 9:51 a.m.YXU-MDW

26h 51m2 stops

10:35 a.m. - 6:35 a.m.MDW-YXU

19h 00m2 stops

C$ 1,954WestJet

Find Deal

Tue, 14 Apr - Thu, 16 Apr

8:00 a.m. - 9:51 a.m.YXU-MDW

26h 51m2 stops

10:35 a.m. - 6:35 a.m.MDW-YXU

19h 00m2 stops

C$ 1,956WestJet

Find Deal

Tue, 14 Apr - Thu, 16 Apr

8:00 a.m. - 9:51 a.m.YXU-MDW

26h 51m2 stops

10:35 a.m. - 6:35 a.m.MDW-YXU

19h 00m2 stops

C$ 1,961WestJet

Find Deal

Tue, 14 Apr - Thu, 16 Apr

Air Canada flights from London, Ontario to Illinois

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

Air Canada

28 Apr

YXU9:25 a.m.London

4h 35m

1 stop

ORD1:00 p.m.Chicago O'Hare Intl

29 Apr

ORD2:00 p.m.Chicago O'Hare Intl

6h 18m

1 stop

YXU9:18 p.m.London

C$ 682

Find similar

Air Canada

28 Apr

YXU5:10 a.m.London

10h 45m

2 stops

ORD2:55 p.m.Chicago O'Hare Intl

29 Apr

ORD1:12 p.m.Chicago O'Hare Intl

7h 06m

2 stops

YXU9:18 p.m.London

C$ 755

Find similar

Air Canada

28 Nov

YXU5:15 a.m.London

8h 46m

1 stop

ORD1:01 p.m.Chicago O'Hare Intl

29 Nov

ORD10:00 a.m.Chicago O'Hare Intl

6h 05m

1 stop

YXU5:05 p.m.London

C$ 789

Find similar

WestJet flights from London, Ontario to Illinois

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

WestJet

14 Apr

YXU8:00 a.m.London

26h 51m

2 stops

MDW9:51 a.m.Chicago Midway

16 Apr

MDW10:35 a.m.Chicago Midway

19h 00m

2 stops

YXU6:35 a.m.London

C$ 1,954

Find similar

WestJet

14 Apr

YXU8:00 a.m.London

26h 51m

2 stops

MDW9:51 a.m.Chicago Midway

16 Apr

MDW10:35 a.m.Chicago Midway

19h 00m

2 stops

YXU6:35 a.m.London

C$ 1,956

Find similar

WestJet

14 Apr

YXU8:00 a.m.London

26h 51m

2 stops

MDW9:51 a.m.Chicago Midway

16 Apr

MDW10:35 a.m.Chicago Midway

19h 00m

2 stops

YXU6:35 a.m.London

C$ 1,961

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

Tue 28/4

5:10 a.m.-9:10 a.m.

1 stop5h 00m

Chicago O'Hare Intl

Wed 29/4

2:00 p.m.-9:18 p.m.

1 stop6h 18m

C$ 682

LondonChicago

YXU - ORD

YXUORD

London

Tue 28/4

5:10 a.m.-2:55 p.m.

2 stops10h 45m

Chicago O'Hare Intl

Wed 29/4

1:12 p.m.-9:18 p.m.

2 stops7h 06m

C$ 755

LondonChicago

YXU - ORD

YXUORD

London

Fri 28/11

5:15 a.m.-1:01 p.m.

1 stop8h 46m

Chicago O'Hare Intl

Sat 29/11

10:00 a.m.-5:05 p.m.

1 stop6h 05m

C$ 789

LondonChicago

YXU - ORD

YXUORD

London

Fri 28/11

5:40 p.m.-11:43 p.m.

2 stops7h 03m

Chicago O'Hare Intl

Sat 29/11

7:05 a.m.-5:05 p.m.

2 stops9h 00m

C$ 813

LondonChicago

YXU - ORD

YXUORD

London

Sun 30/11

8:10 p.m.-1:35 p.m.

1 stop18h 25m

Chicago O'Hare Intl

Sun 7/12

9:06 p.m.-7:12 p.m.

2 stops21h 06m

C$ 947

LondonChicago

YXU - ORD

YXUORD

London

Sun 30/11

5:15 a.m.-10:05 a.m.

1 stop5h 50m

Chicago O'Hare Intl

Sun 7/12

10:00 a.m.-5:05 p.m.

1 stop6h 05m

C$ 1,058

LondonChicago

YXU - ORD

YXUORD

London

Sun 30/11

5:15 a.m.-2:11 p.m.

2 stops9h 56m

Chicago O'Hare Intl

Sun 7/12

10:38 a.m.-9:21 p.m.

2 stops9h 43m

C$ 1,349

LondonChicago

YXU - MDW

YXUMDW

London

Tue 14/4

8:00 a.m.-9:51 a.m.

2 stops26h 51m

Chicago Midway

Thu 16/4

10:35 a.m.-6:35 a.m.

2 stops19h 00m

C$ 1,954

LondonChicago

YXU - MDW

YXUMDW

London

Tue 14/4

8:00 a.m.-9:51 a.m.

2 stops26h 51m

Chicago Midway

Thu 16/4

10:35 a.m.-6:35 a.m.

2 stops19h 00m

C$ 1,956

LondonChicago

YXU - MDW

YXUMDW

London

Tue 14/4

8:00 a.m.-9:51 a.m.

2 stops26h 51m

Chicago Midway

Thu 16/4

10:35 a.m.-6:35 a.m.

2 stops19h 00m

C$ 1,961

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

Prices

Airlines

What is the cheapest day to depart on your flight to Illinois?

According to our data, Thursday is the cheapest day to fly to Illinois from London, Ontario. The lowest ticket price found for a Thursday departure recently was C$ 783. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Illinois is Monday, with ticket prices averaging around C$ 881.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from London, Ontario to Illinois during this time can be as low as C$ 859. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 892 on average. Flights to Illinois from London, Ontario in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 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.