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

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

How old do you have to be to fly from Illinois to London Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to London Airport.

What documentation or ID do you need to fly to London Airport?

The required travel and health documents for your London Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 641 Cheap Flights from Illinois to London, Ontario in 2026

Find the cheapest flights from Illinois to London

Round-trip

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

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

11h 30m1 stop Calgary

C$ 641WestJet

Fri, 18 Sep - Sun, 20 Sep

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

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

11h 30m1 stop Calgary

C$ 660WestJet

Fri, 25 Sep - Fri, 2 Oct

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

5:55 p.m. - 12:23 a.m.YXU London-ORD Chicago O'Hare Intl

31h 28m2 stops Calgary Denver Intl

C$ 695Multiple Airlines

Sun, 13 Sep - Sun, 20 Sep

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

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

11h 30m1 stop Calgary

C$ 710WestJet

Sun, 13 Sep - Sun, 20 Sep

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

6h 25m1 stop Toronto Pearson Intl

10:05 a.m. - 1:23 p.m.YXU London-ORD Chicago O'Hare Intl

4h 18m1 stop Toronto Pearson Intl

C$ 734Air Canada

Sat, 5 Sep - Tue, 8 Sep

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

4h 55m1 stop Toronto Pearson Intl

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

7h 20m2 stops Toronto Pearson Intl Ottawa

C$ 741Air Canada

Sat, 5 Sep - Tue, 8 Sep

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

3h 55m1 stop Toronto Pearson Intl

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

6h 41m1 stop Toronto Pearson Intl

C$ 760Air Canada

Tue, 8 Sep - Thu, 10 Sep

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

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

11h 30m1 stop Calgary

C$ 770WestJet

Tue, 8 Sep - Thu, 10 Sep

2:20 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

14h 00m2 stops Toronto Pearson Intl Calgary

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

11h 30m1 stop Calgary

C$ 775Multiple Airlines

Fri, 25 Sep - Fri, 2 Oct

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

5:55 p.m. - 6:31 p.m.YXU London-ORD Chicago O'Hare Intl

25h 36m2 stops Calgary Atlanta Hartsfield-Jackson

C$ 784Multiple Airlines

Fri, 2 Oct - Mon, 12 Oct

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WestJet flights from Illinois to London, Ontario

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

WestJet

18 Sep

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

10h 50m

1 stop

YXU5:20 a.m.London

20 Sep

YXU6:10 a.m.London

11h 30m

1 stop

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

C$ 641

WestJet

25 Sep

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

10h 50m

1 stop

YXU5:20 a.m.London

2 Oct

YXU6:10 a.m.London

11h 30m

1 stop

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

C$ 660

WestJet

13 Sep

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

10h 50m

1 stop

YXU5:20 a.m.London

20 Sep

YXU6:10 a.m.London

11h 30m

1 stop

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

C$ 710

Air Canada flights from Illinois to London, Ontario

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

Air Canada

5 Sep

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

6h 25m

1 stop

YXU9:40 p.m.London

8 Sep

YXU10:05 a.m.London

4h 18m

1 stop

ORD1:23 p.m.Chicago O'Hare Intl

C$ 734

Air Canada

5 Sep

ORD3:45 p.m.Chicago O'Hare Intl

4h 55m

1 stop

YXU9:40 p.m.London

8 Sep

YXU5:40 a.m.London

7h 20m

2 stops

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

C$ 741

Air Canada

8 Sep

ORD9:55 a.m.Chicago O'Hare Intl

3h 55m

1 stop

YXU2:50 p.m.London

10 Sep

YXU5:40 a.m.London

6h 41m

1 stop

ORD11:21 a.m.Chicago O'Hare Intl

C$ 760

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Fri 18/9

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

1 stop10h 50m

London

Sun 20/9

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

1 stop11h 30m

C$ 641

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Fri 25/9

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

1 stop10h 50m

London

Fri 2/10

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

1 stop11h 30m

C$ 660

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Sun 13/9

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

1 stop10h 50m

London

Sun 20/9

5:55 p.m.-12:23 a.m.

2 stops31h 28m

C$ 695

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Sun 13/9

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

1 stop10h 50m

London

Sun 20/9

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

1 stop11h 30m

C$ 710

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Sat 5/9

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

1 stop6h 25m

London

Tue 8/9

10:05 a.m.-1:23 p.m.

1 stop4h 18m

C$ 734

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Sat 5/9

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

1 stop4h 55m

London

Tue 8/9

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

2 stops7h 20m

C$ 741

Quickest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Tue 8/9

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

1 stop3h 55m

London

Thu 10/9

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

1 stop6h 41m

C$ 760

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Tue 8/9

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

1 stop10h 50m

London

Thu 10/9

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

1 stop11h 30m

C$ 770

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Fri 25/9

2:20 p.m.-5:20 a.m.

2 stops14h 00m

London

Fri 2/10

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

1 stop11h 30m

C$ 775

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Fri 2/10

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

1 stop10h 50m

London

Mon 12/10

5:55 p.m.-6:31 p.m.

2 stops25h 36m

C$ 784

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Illinois to London, Ontario

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

Which airlines fly to London, Ontario?

United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to London, Ontario from Illinois according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 3 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

Cheap Illinois to London, Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to London, Ontario

Fastest flight time	3h 55m
Direct flights	None

The fastest flight from Illinois to London, Ontario takes 3h 55m

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

Search flight deals

Frequently asked questions about flying from Illinois to London, Ontario

When did momondo last update prices for flights from Illinois to London Airport?
Prices for flights from Illinois to London Airport are refreshed on a daily basis.
How old do you have to be to fly from Illinois to London Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to London Airport.
What documentation or ID do you need to fly to London Airport?
The required travel and health documents for your London Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Grand Bend

Port Stanley

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to London. momondo saves you time and could save you money on your trip.

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

Flights from Illinois to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Illinois to London.

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

Price alerts on flights to London from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.