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$ 423 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 p.m. - 7:35 p.m.

YXU

ORD

5h 10m

1 stop

9:50 a.m. - 3:06 p.m.

ORD

YXU

4h 16m

1 stop

C$ 751Air Canada

Sat, 31 Oct - Wed, 4 Nov

5:45 a.m. - 2:55 p.m.

YXU

ORD

10h 10m

2 stops

9:50 a.m. - 3:06 p.m.

ORD

YXU

4h 16m

1 stop

C$ 755Air Canada

Sat, 31 Oct - Wed, 4 Nov

3:25 p.m. - 7:43 p.m.

YXU

ORD

5h 18m

1 stop

4:30 p.m. - 9:52 p.m.

ORD

YXU

4h 22m

1 stop

C$ 758Air Canada

Sat, 31 Oct - Wed, 4 Nov

3:25 p.m. - 7:43 p.m.

YXU

ORD

5h 18m

1 stop

4:30 p.m. - 9:52 p.m.

ORD

YXU

4h 22m

1 stop

C$ 759Air Canada

Sat, 31 Oct - Wed, 4 Nov

3:25 p.m. - 7:43 p.m.

YXU

ORD

5h 18m

1 stop

4:30 p.m. - 9:52 p.m.

ORD

YXU

4h 22m

1 stop

C$ 761Air Canada

Sat, 31 Oct - Wed, 4 Nov

9:15 a.m. - 7:52 p.m.

YXU

ORD

11h 37m

2 stops

4:30 p.m. - 9:52 p.m.

ORD

YXU

4h 22m

1 stop

C$ 762Air Canada

Sat, 31 Oct - Wed, 4 Nov

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

YXU

ORD

11h 30m

1 stop

5:30 p.m. - 5:20 a.m.

ORD

YXU

10h 50m

1 stop

C$ 769WestJet

Thu, 3 Sep - Sat, 5 Sep

2:40 p.m. - 12:39 p.m.

YXU

MDW

22h 59m

3 stops

10:25 a.m. - 5:20 a.m.

MDW

YXU

17h 55m

3 stops

C$ 1,347Multiple Airlines

Tue, 11 Aug - Tue, 18 Aug

6:10 a.m. - 6:33 p.m.

YXU

MDW

13h 23m

2 stops

9:24 a.m. - 5:20 a.m.

MDW

YXU

18h 56m

2 stops

C$ 1,673WestJet

Thu, 3 Sep - Fri, 4 Sep

2:40 p.m. - 12:39 p.m.

YXU

MDW

22h 59m

3 stops

9:59 a.m. - 5:20 a.m.

MDW

YXU

18h 21m

2 stops

C$ 1,698WestJet

Tue, 11 Aug - Tue, 18 Aug

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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

31 Oct

YXU3:25 p.m.London

5h 10m

1 stop

ORD7:35 p.m.Chicago O'Hare Intl

4 Nov

ORD9:50 a.m.Chicago O'Hare Intl

4h 16m

1 stop

YXU3:06 p.m.London

C$ 751

Air Canada

31 Oct

YXU5:45 a.m.London

10h 10m

2 stops

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

4 Nov

ORD9:50 a.m.Chicago O'Hare Intl

4h 16m

1 stop

YXU3:06 p.m.London

C$ 755

Air Canada

31 Oct

YXU3:25 p.m.London

5h 18m

1 stop

ORD7:43 p.m.Chicago O'Hare Intl

4 Nov

ORD4:30 p.m.Chicago O'Hare Intl

4h 22m

1 stop

YXU9:52 p.m.London

C$ 758

United Airlines flights from London, Ontario to Illinois

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

United Airlines

31 Oct

YXU3:25 p.m.London

9h 17m

2 stops

ORD11:42 p.m.Chicago O'Hare Intl

4 Nov

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

8h 06m

2 stops

YXU3:06 p.m.London

C$ 853

United Airlines

19 Nov

YXU5:45 a.m.London

11h 52m

2 stops

ORD4:37 p.m.Chicago O'Hare Intl

22 Nov

ORD4:00 p.m.Chicago O'Hare Intl

4h 46m

1 stop

YXU9:46 p.m.London

C$ 860

United Airlines

3 Sep

YXU3:30 p.m.London

8h 52m

2 stops

ORD11:22 p.m.Chicago O'Hare Intl

5 Sep

ORD2:15 p.m.Chicago O'Hare Intl

6h 25m

1 stop

YXU9:40 p.m.London

C$ 877

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Sat 31/10

3:25 p.m.-7:35 p.m.

1 stop5h 10m

Chicago O'Hare Intl

Wed 4/11

9:50 a.m.-3:06 p.m.

1 stop4h 16m

C$ 751

LondonChicago

YXU - ORD

YXUORD

London

Sat 31/10

5:45 a.m.-2:55 p.m.

2 stops10h 10m

Chicago O'Hare Intl

Wed 4/11

9:50 a.m.-3:06 p.m.

1 stop4h 16m

C$ 755

LondonChicago

YXU - ORD

YXUORD

London

Sat 31/10

3:25 p.m.-7:43 p.m.

1 stop5h 18m

Chicago O'Hare Intl

Wed 4/11

4:30 p.m.-9:52 p.m.

1 stop4h 22m

C$ 758

LondonChicago

YXU - ORD

YXUORD

London

Sat 31/10

3:25 p.m.-7:43 p.m.

1 stop5h 18m

Chicago O'Hare Intl

Wed 4/11

4:30 p.m.-9:52 p.m.

1 stop4h 22m

C$ 759

LondonChicago

YXU - ORD

YXUORD

London

Sat 31/10

3:25 p.m.-7:43 p.m.

1 stop5h 18m

Chicago O'Hare Intl

Wed 4/11

4:30 p.m.-9:52 p.m.

1 stop4h 22m

C$ 761

LondonChicago

YXU - ORD

YXUORD

London

Sat 31/10

9:15 a.m.-7:52 p.m.

2 stops11h 37m

Chicago O'Hare Intl

Wed 4/11

4:30 p.m.-9:52 p.m.

1 stop4h 22m

C$ 762

LondonChicago

YXU - ORD

YXUORD

London

Thu 3/9

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

1 stop11h 30m

Chicago O'Hare Intl

Sat 5/9

5:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 769

LondonChicago

YXU - MDW

YXUMDW

London

Tue 11/8

2:40 p.m.-12:39 p.m.

3 stops22h 59m

Chicago Midway

Tue 18/8

10:25 a.m.-5:20 a.m.

3 stops17h 55m

C$ 1,347

LondonChicago

YXU - MDW

YXUMDW

London

Thu 3/9

6:10 a.m.-6:33 p.m.

2 stops13h 23m

Chicago Midway

Fri 4/9

9:24 a.m.-5:20 a.m.

2 stops18h 56m

C$ 1,673

LondonChicago

YXU - MDW

YXUMDW

London

Tue 11/8

2:40 p.m.-12:39 p.m.

3 stops22h 59m

Chicago Midway

Tue 18/8

9:59 a.m.-5:20 a.m.

2 stops18h 21m

C$ 1,698

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 56% 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 50m
Direct flights	None

The fastest flight from London, Ontario to Illinois takes 4h 50m

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.