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

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

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$ 191 Cheap Flights from Illinois to London in 2025/26

1 adult

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Find the cheapest flights from Illinois to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:58 p.m. - 7:12 p.m.ORD-YXU

25h 14m2 stops

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

18h 25m1 stop

C$ 618Multiple Airlines

Find Deal

Thu, 20 Nov - Thu, 27 Nov

10:00 a.m. - 7:12 p.m.ORD-YXU

32h 12m2 stops

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

18h 25m1 stop

C$ 619Multiple Airlines

Find Deal

Thu, 20 Nov - Thu, 27 Nov

6:06 p.m. - 7:12 p.m.ORD-YXU

24h 06m3 stops

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

18h 25m1 stop

C$ 682Multiple Airlines

Find Deal

Thu, 20 Nov - Thu, 27 Nov

6:06 p.m. - 7:12 p.m.ORD-YXU

24h 06m3 stops

8:10 p.m. - 7:40 p.m.YXU-ORD

24h 30m3 stops

C$ 791Multiple Airlines

Find Deal

Thu, 20 Nov - Thu, 27 Nov

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

6h 05m1 stop

5:15 a.m. - 9:13 a.m.YXU-ORD

4h 58m1 stop

C$ 837Air Canada

Find Deal

Sat, 22 Nov - Sat, 29 Nov

3:55 p.m. - 9:21 p.m.ORD-YXU

4h 26m1 stop

5:15 a.m. - 11:18 a.m.YXU-ORD

7h 03m2 stops

C$ 844Air Canada

Find Deal

Sat, 22 Nov - Sat, 29 Nov

3:55 p.m. - 9:21 p.m.ORD-YXU

4h 26m1 stop

5:15 a.m. - 9:13 a.m.YXU-ORD

4h 58m1 stop

C$ 868Air Canada

Find Deal

Thu, 20 Nov - Thu, 27 Nov

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

6h 05m1 stop

9:25 a.m. - 1:01 p.m.YXU-ORD

4h 36m1 stop

C$ 942United Airlines

Find Deal

Sat, 22 Nov - Sat, 29 Nov

6:20 p.m. - 8:46 a.m.ORD-YXU

13h 26m2 stops

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

5h 50m1 stop

C$ 989United Airlines

Find Deal

Sat, 22 Nov - Sat, 29 Nov

1:00 p.m. - 9:21 p.m.ORD-YXU

7h 21m2 stops

5:15 a.m. - 2:40 p.m.YXU-ORD

10h 25m2 stops

C$ 1,320United Airlines

Find Deal

Sat, 22 Nov - Sat, 29 Nov

Air Canada flights from Illinois to London, Ontario

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

Air Canada

22 Nov

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

6h 05m

1 stop

YXU5:05 p.m.London

29 Nov

YXU5:15 a.m.London

4h 58m

1 stop

ORD9:13 a.m.Chicago O'Hare Intl

C$ 837

Find similar

Air Canada

22 Nov

ORD3:55 p.m.Chicago O'Hare Intl

4h 26m

1 stop

YXU9:21 p.m.London

29 Nov

YXU5:15 a.m.London

7h 03m

2 stops

ORD11:18 a.m.Chicago O'Hare Intl

C$ 844

Find similar

Air Canada

20 Nov

ORD3:55 p.m.Chicago O'Hare Intl

4h 26m

1 stop

YXU9:21 p.m.London

27 Nov

YXU5:15 a.m.London

4h 58m

1 stop

ORD9:13 a.m.Chicago O'Hare Intl

C$ 868

Find similar

United Airlines flights from Illinois to London, Ontario

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

United Airlines

22 Nov

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

6h 05m

1 stop

YXU5:05 p.m.London

29 Nov

YXU9:25 a.m.London

4h 36m

1 stop

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

C$ 942

Find similar

United Airlines

22 Nov

ORD6:20 p.m.Chicago O'Hare Intl

13h 26m

2 stops

YXU8:46 a.m.London

29 Nov

YXU5:15 a.m.London

5h 50m

1 stop

ORD10:05 a.m.Chicago O'Hare Intl

C$ 989

Find similar

United Airlines

22 Nov

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

7h 21m

2 stops

YXU9:21 p.m.London

29 Nov

YXU5:15 a.m.London

10h 25m

2 stops

ORD2:40 p.m.Chicago O'Hare Intl

C$ 1,320

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 20/11

4:58 p.m.-7:12 p.m.

2 stops25h 14m

London

Thu 27/11

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

1 stop18h 25m

C$ 618

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 20/11

10:00 a.m.-7:12 p.m.

2 stops32h 12m

London

Thu 27/11

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

1 stop18h 25m

C$ 619

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 20/11

6:06 p.m.-7:12 p.m.

3 stops24h 06m

London

Thu 27/11

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

1 stop18h 25m

C$ 682

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 20/11

6:06 p.m.-7:12 p.m.

3 stops24h 06m

London

Thu 27/11

8:10 p.m.-7:40 p.m.

3 stops24h 30m

C$ 791

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 22/11

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

1 stop6h 05m

London

Sat 29/11

5:15 a.m.-9:13 a.m.

1 stop4h 58m

C$ 837

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 22/11

3:55 p.m.-9:21 p.m.

1 stop4h 26m

London

Sat 29/11

5:15 a.m.-11:18 a.m.

2 stops7h 03m

C$ 844

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 20/11

3:55 p.m.-9:21 p.m.

1 stop4h 26m

London

Thu 27/11

5:15 a.m.-9:13 a.m.

1 stop4h 58m

C$ 868

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 22/11

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

1 stop6h 05m

London

Sat 29/11

9:25 a.m.-1:01 p.m.

1 stop4h 36m

C$ 942

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 22/11

6:20 p.m.-8:46 a.m.

2 stops13h 26m

London

Sat 29/11

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

1 stop5h 50m

C$ 989

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 22/11

1:00 p.m.-9:21 p.m.

2 stops7h 21m

London

Sat 29/11

5:15 a.m.-2:40 p.m.

2 stops10h 25m

C$ 1,320

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 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

Prices

Airlines

Can stopping save me money on Illinois to London, Ontario flights?

You could potentially save up to 59% on your flight if you consider stops on a Illinois to London, Ontario flight.

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

Direct flights	None

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

Search flight deals

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

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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.