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$ 343 Cheap Flights from London to Illinois in 2026

1 adult

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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.

9:25 a.m. - 1:05 p.m.

YXU

ORD

4h 40m

1 stop

3:50 p.m. - 9:38 p.m.

ORD

YXU

4h 48m

1 stop

C$ 622Air Canada

Thu, 30 Apr - Sun, 3 May

5:10 a.m. - 11:51 a.m.

YXU

ORD

7h 41m

2 stops

3:50 p.m. - 9:38 p.m.

ORD

YXU

4h 48m

1 stop

C$ 708United Airlines

Thu, 30 Apr - Sun, 3 May

5:10 a.m. - 3:20 p.m.

YXU

ORD

11h 10m

2 stops

6:00 a.m. - 5:33 p.m.

ORD

YXU

10h 33m

2 stops

C$ 740United Airlines

Thu, 30 Apr - Sun, 3 May

5:10 a.m. - 3:10 p.m.

YXU

ORD

11h 00m

1 stop

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

ORD

YXU

6h 05m

1 stop

C$ 820Air Canada

Mon, 23 Feb - Thu, 26 Feb

5:10 a.m. - 3:10 p.m.

YXU

ORD

11h 00m

1 stop

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

ORD

YXU

6h 05m

1 stop

C$ 823Air Canada

Mon, 23 Feb - Thu, 26 Feb

5:40 p.m. - 10:04 p.m.

YXU

ORD

5h 24m

1 stop

12:00 p.m. - 9:21 p.m.

ORD

YXU

8h 21m

2 stops

C$ 843United Airlines

Mon, 23 Feb - Thu, 26 Feb

5:40 p.m. - 10:04 p.m.

YXU

ORD

5h 24m

1 stop

7:10 a.m. - 5:05 p.m.

ORD

YXU

8h 55m

2 stops

C$ 845United Airlines

Mon, 23 Feb - Thu, 26 Feb

5:10 a.m. - 3:31 p.m.

YXU

ORD

11h 21m

2 stops

6:00 a.m. - 5:05 p.m.

ORD

YXU

10h 05m

2 stops

C$ 852United Airlines

Mon, 23 Feb - Thu, 26 Feb

8:10 p.m. - 9:54 a.m.

YXU

MDW

14h 44m

2 stops

1:49 p.m. - 6:35 a.m.

MDW

YXU

15h 46m

2 stops

C$ 2,098WestJet

Mon, 23 Feb - Thu, 26 Feb

8:10 p.m. - 5:45 p.m.

YXU

MDW

22h 35m

2 stops

9:50 a.m. - 6:35 a.m.

MDW

YXU

19h 45m

2 stops

C$ 2,100WestJet

Mon, 23 Feb - Thu, 26 Feb

United Airlines flights from London, Ontario to Illinois

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

United Airlines

30 Apr

YXU5:10 a.m.London

7h 41m

2 stops

ORD11:51 a.m.Chicago O'Hare Intl

3 May

ORD3:50 p.m.Chicago O'Hare Intl

4h 48m

1 stop

YXU9:38 p.m.London

C$ 708

United Airlines

30 Apr

YXU5:10 a.m.London

11h 10m

2 stops

ORD3:20 p.m.Chicago O'Hare Intl

3 May

ORD6:00 a.m.Chicago O'Hare Intl

10h 33m

2 stops

YXU5:33 p.m.London

C$ 740

United Airlines

23 Feb

YXU5:40 p.m.London

5h 24m

1 stop

ORD10:04 p.m.Chicago O'Hare Intl

26 Feb

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

8h 21m

2 stops

YXU9:21 p.m.London

C$ 843

Air Canada flights from London, Ontario to Illinois

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

Air Canada

30 Apr

YXU9:25 a.m.London

4h 40m

1 stop

ORD1:05 p.m.Chicago O'Hare Intl

3 May

ORD3:50 p.m.Chicago O'Hare Intl

4h 48m

1 stop

YXU9:38 p.m.London

C$ 622

Air Canada

23 Feb

YXU5:10 a.m.London

11h 00m

1 stop

ORD3:10 p.m.Chicago O'Hare Intl

26 Feb

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

6h 05m

1 stop

YXU5:05 p.m.London

C$ 820

Air Canada

23 Feb

YXU5:10 a.m.London

11h 00m

1 stop

ORD3:10 p.m.Chicago O'Hare Intl

26 Feb

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

6h 05m

1 stop

YXU5:05 p.m.London

C$ 823

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

Thu 30/4

9:25 a.m.-1:05 p.m.

1 stop4h 40m

Chicago O'Hare Intl

Sun 3/5

3:50 p.m.-9:38 p.m.

1 stop4h 48m

C$ 622

LondonChicago

YXU - ORD

YXUORD

London

Thu 30/4

5:10 a.m.-11:51 a.m.

2 stops7h 41m

Chicago O'Hare Intl

Sun 3/5

3:50 p.m.-9:38 p.m.

1 stop4h 48m

C$ 708

LondonChicago

YXU - ORD

YXUORD

London

Thu 30/4

5:10 a.m.-3:20 p.m.

2 stops11h 10m

Chicago O'Hare Intl

Sun 3/5

6:00 a.m.-5:33 p.m.

2 stops10h 33m

C$ 740

LondonChicago

YXU - ORD

YXUORD

London

Mon 23/2

5:10 a.m.-3:10 p.m.

1 stop11h 00m

Chicago O'Hare Intl

Thu 26/2

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

1 stop6h 05m

C$ 820

LondonChicago

YXU - ORD

YXUORD

London

Mon 23/2

5:10 a.m.-3:10 p.m.

1 stop11h 00m

Chicago O'Hare Intl

Thu 26/2

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

1 stop6h 05m

C$ 823

LondonChicago

YXU - ORD

YXUORD

London

Mon 23/2

5:40 p.m.-10:04 p.m.

1 stop5h 24m

Chicago O'Hare Intl

Thu 26/2

12:00 p.m.-9:21 p.m.

2 stops8h 21m

C$ 843

LondonChicago

YXU - ORD

YXUORD

London

Mon 23/2

5:40 p.m.-10:04 p.m.

1 stop5h 24m

Chicago O'Hare Intl

Thu 26/2

7:10 a.m.-5:05 p.m.

2 stops8h 55m

C$ 845

LondonChicago

YXU - ORD

YXUORD

London

Mon 23/2

5:10 a.m.-3:31 p.m.

2 stops11h 21m

Chicago O'Hare Intl

Thu 26/2

6:00 a.m.-5:05 p.m.

2 stops10h 05m

C$ 852

LondonChicago

YXU - MDW

YXUMDW

London

Mon 23/2

8:10 p.m.-9:54 a.m.

2 stops14h 44m

Chicago Midway

Thu 26/2

1:49 p.m.-6:35 a.m.

2 stops15h 46m

C$ 2,098

LondonChicago

YXU - MDW

YXUMDW

London

Mon 23/2

8:10 p.m.-5:45 p.m.

2 stops22h 35m

Chicago Midway

Thu 26/2

9:50 a.m.-6:35 a.m.

2 stops19h 45m

C$ 2,100

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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

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 63% 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	5h 24m
Direct flights	None

The fastest flight from London, Ontario to Illinois takes 5h 24m

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.