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

Air Canada and United Airlines are the most popular carriers operating from Chicago to London

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 Chicago according to our data. United Airlines is the first choice among our users, with 53% 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.

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

Prices for flights from Chicago to London Airport are updated daily.

How old do you have to be to fly from Chicago 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 Chicago to London Airport.

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

The necessary travel and health documents for your London Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 425 Cheap Flights from Chicago to London in 2025/26

1 adult

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Find the cheapest flights from Chicago to London

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:18 p.m. - 7:12 p.m.ORD-YXU

21h 54m2 stops

8:10 p.m. - 8:09 p.m.YXU-ORD

24h 59m2 stops

C$ 723Multiple Airlines

Find Deal

Tue, 2 Dec - Tue, 9 Dec

3:43 p.m. - 7:12 p.m.ORD-YXU

26h 29m3 stops

8:10 p.m. - 8:09 p.m.YXU-ORD

24h 59m2 stops

C$ 724Multiple Airlines

Find Deal

Tue, 2 Dec - Tue, 9 Dec

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

32h 00m3 stops

8:10 p.m. - 8:01 p.m.YXU-ORD

24h 51m3 stops

C$ 741Multiple Airlines

Find Deal

Tue, 2 Dec - Tue, 9 Dec

9:50 a.m. - 5:03 p.m.ORD-YXU

6h 13m1 stop

9:25 a.m. - 1:00 p.m.YXU-ORD

4h 35m1 stop

C$ 873Air Canada

Find Deal

Fri, 24 Apr - Sun, 26 Apr

6:48 a.m. - 7:12 p.m.ORD-YXU

35h 24m3 stops

8:10 p.m. - 8:09 p.m.YXU-ORD

24h 59m2 stops

C$ 876Multiple Airlines

Find Deal

Wed, 3 Dec - Wed, 10 Dec

8:40 a.m. - 9:18 p.m.ORD-YXU

11h 38m2 stops

9:25 a.m. - 1:00 p.m.YXU-ORD

4h 35m1 stop

C$ 880Air Canada

Find Deal

Fri, 24 Apr - Sun, 26 Apr

2:00 p.m. - 9:21 p.m.ORD-YXU

6h 21m1 stop

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

4h 36m1 stop

C$ 891Air Canada

Find Deal

Tue, 2 Dec - Wed, 24 Dec

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

8h 55m2 stops

5:10 a.m. - 9:13 a.m.YXU-ORD

5h 03m1 stop

C$ 991United Airlines

Find Deal

Mon, 8 Dec - Fri, 12 Dec

8:45 a.m. - 5:05 p.m.ORD-YXU

7h 20m2 stops

5:10 a.m. - 11:50 a.m.YXU-ORD

7h 40m2 stops

C$ 1,014United Airlines

Find Deal

Mon, 8 Dec - Fri, 12 Dec

8:58 p.m. - 9:21 p.m.ORD-YXU

23h 23m2 stops

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

4h 36m1 stop

C$ 1,025United Airlines

Find Deal

Wed, 24 Dec - Fri, 26 Dec

Air Canada flights from Chicago to London, Ontario

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

Air Canada

24 Apr

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

6h 13m

1 stop

YXU5:03 p.m.London

26 Apr

YXU9:25 a.m.London

4h 35m

1 stop

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

C$ 873

Find similar

Air Canada

24 Apr

ORD8:40 a.m.Chicago O'Hare Intl

11h 38m

2 stops

YXU9:18 p.m.London

26 Apr

YXU9:25 a.m.London

4h 35m

1 stop

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

C$ 880

Find similar

Air Canada

2 Dec

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

6h 21m

1 stop

YXU9:21 p.m.London

24 Dec

YXU9:25 a.m.London

4h 36m

1 stop

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

C$ 891

Find similar

United Airlines flights from Chicago to London, Ontario

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

United Airlines

8 Dec

ORD7:10 a.m.Chicago O'Hare Intl

8h 55m

2 stops

YXU5:05 p.m.London

12 Dec

YXU5:10 a.m.London

5h 03m

1 stop

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

C$ 991

Find similar

United Airlines

8 Dec

ORD8:45 a.m.Chicago O'Hare Intl

7h 20m

2 stops

YXU5:05 p.m.London

12 Dec

YXU5:10 a.m.London

7h 40m

2 stops

ORD11:50 a.m.Chicago O'Hare Intl

C$ 1,014

Find similar

United Airlines

24 Dec

ORD8:58 p.m.Chicago O'Hare Intl

23h 23m

2 stops

YXU9:21 p.m.London

26 Dec

YXU9:25 a.m.London

4h 36m

1 stop

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

C$ 1,025

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Tue 2/12

8:18 p.m.-7:12 p.m.

2 stops21h 54m

London

Tue 9/12

8:10 p.m.-8:09 p.m.

2 stops24h 59m

C$ 723

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Tue 2/12

3:43 p.m.-7:12 p.m.

3 stops26h 29m

London

Tue 9/12

8:10 p.m.-8:09 p.m.

2 stops24h 59m

C$ 724

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Tue 2/12

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

3 stops32h 00m

London

Tue 9/12

8:10 p.m.-8:01 p.m.

3 stops24h 51m

C$ 741

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 24/4

9:50 a.m.-5:03 p.m.

1 stop6h 13m

London

Sun 26/4

9:25 a.m.-1:00 p.m.

1 stop4h 35m

C$ 873

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 3/12

6:48 a.m.-7:12 p.m.

3 stops35h 24m

London

Wed 10/12

8:10 p.m.-8:09 p.m.

2 stops24h 59m

C$ 876

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 24/4

8:40 a.m.-9:18 p.m.

2 stops11h 38m

London

Sun 26/4

9:25 a.m.-1:00 p.m.

1 stop4h 35m

C$ 880

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Tue 2/12

2:00 p.m.-9:21 p.m.

1 stop6h 21m

London

Wed 24/12

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

1 stop4h 36m

C$ 891

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 8/12

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

2 stops8h 55m

London

Fri 12/12

5:10 a.m.-9:13 a.m.

1 stop5h 03m

C$ 991

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 8/12

8:45 a.m.-5:05 p.m.

2 stops7h 20m

London

Fri 12/12

5:10 a.m.-11:50 a.m.

2 stops7h 40m

C$ 1,014

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 24/12

8:58 p.m.-9:21 p.m.

2 stops23h 23m

London

Fri 26/12

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

1 stop4h 36m

C$ 1,025

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 Chicago 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 Chicago to London, Ontario flights?

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

When to book flights from Chicago to London, Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to London, Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to London, Ontario (CHI to YXU) flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Chicago to London by plane?
The distance between Chicago and London is about 538.5 km. Flights usually cover this in 4h 26m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago to London Airport?
Prices for flights from Chicago to London Airport are updated daily.
How old do you have to be to fly from Chicago 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 Chicago to London Airport.
What documentation or ID do you need to fly to London Airport?
The necessary travel and health documents for your London Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Grand Bend

Port Stanley

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to London from Chicago with this policy.

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

momondo helps you find the best flight between Chicago and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to London from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.