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

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$ 452 Cheap Flights from Chicago to London, Ontario in 2026

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.

2:00 p.m. - 4:45 p.m.

ORD

YXU

25h 45m

2 stops

3:30 p.m. - 7:52 p.m.

YXU

ORD

5h 22m

1 stop

C$ 791Multiple Airlines

Mon, 17 Aug - Thu, 20 Aug

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

ORD

YXU

10h 50m

1 stop

8:40 p.m. - 4:40 p.m.

YXU

ORD

21h 00m

1 stop

C$ 817WestJet

Fri, 21 Aug - Fri, 28 Aug

2:00 p.m. - 4:45 p.m.

ORD

YXU

25h 45m

2 stops

6:10 a.m. - 10:16 a.m.

YXU

ORD

29h 06m

3 stops

C$ 839Multiple Airlines

Mon, 17 Aug - Thu, 20 Aug

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

ORD

YXU

4h 00m

1 stop

5:40 a.m. - 9:00 a.m.

YXU

ORD

4h 20m

1 stop

C$ 844Air Canada

Mon, 17 Aug - Thu, 20 Aug

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

ORD

YXU

10h 50m

1 stop

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

YXU

ORD

11h 30m

1 stop

C$ 876WestJet

Fri, 14 Aug - Fri, 21 Aug

8:40 a.m. - 5:20 a.m.

ORD

YXU

19h 40m

2 stops

5:40 a.m. - 9:00 a.m.

YXU

ORD

4h 20m

1 stop

C$ 878Multiple Airlines

Wed, 19 Aug - Wed, 26 Aug

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

ORD

YXU

10h 50m

1 stop

2:40 p.m. - 4:40 p.m.

YXU

ORD

27h 00m

2 stops

C$ 882WestJet

Fri, 21 Aug - Fri, 28 Aug

8:40 a.m. - 9:20 a.m.

ORD

YXU

23h 40m

3 stops

10:05 a.m. - 1:22 p.m.

YXU

ORD

4h 17m

1 stop

C$ 888Air Canada

Wed, 19 Aug - Wed, 26 Aug

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

ORD

YXU

10h 50m

1 stop

2:40 p.m. - 4:40 p.m.

YXU

ORD

27h 00m

2 stops

C$ 895WestJet

Fri, 14 Aug - Fri, 21 Aug

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

ORD

YXU

4h 55m

1 stop

3:30 p.m. - 7:52 p.m.

YXU

ORD

5h 22m

1 stop

C$ 903Air Canada

Fri, 21 Aug - Fri, 28 Aug

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WestJet flights from Chicago to London, Ontario

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

WestJet

21 Aug

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

10h 50m

1 stop

YXU5:20 a.m.London

28 Aug

YXU6:10 a.m.London

11h 30m

1 stop

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

C$ 716

WestJet

21 Aug

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

10h 50m

1 stop

YXU5:20 a.m.London

28 Aug

YXU8:40 p.m.London

21h 00m

1 stop

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

C$ 817

WestJet

21 Aug

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

10h 50m

1 stop

YXU5:20 a.m.London

28 Aug

YXU2:40 p.m.London

27h 00m

2 stops

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

C$ 882

Air Canada flights from Chicago to London, Ontario

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

Air Canada

17 Aug

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

4h 00m

1 stop

YXU2:50 p.m.London

20 Aug

YXU5:40 a.m.London

4h 20m

1 stop

ORD9:00 a.m.Chicago O'Hare Intl

C$ 844

Air Canada

19 Aug

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

23h 40m

3 stops

YXU9:20 a.m.London

26 Aug

YXU10:05 a.m.London

4h 17m

1 stop

ORD1:22 p.m.Chicago O'Hare Intl

C$ 888

Air Canada

21 Aug

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

4h 55m

1 stop

YXU9:40 p.m.London

28 Aug

YXU3:30 p.m.London

5h 22m

1 stop

ORD7:52 p.m.Chicago O'Hare Intl

C$ 903

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 17/8

2:00 p.m.-4:45 p.m.

2 stops25h 45m

London

Thu 20/8

3:30 p.m.-7:52 p.m.

1 stop5h 22m

C$ 791

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 21/8

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

1 stop10h 50m

London

Fri 28/8

8:40 p.m.-4:40 p.m.

1 stop21h 00m

C$ 817

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 17/8

2:00 p.m.-4:45 p.m.

2 stops25h 45m

London

Thu 20/8

6:10 a.m.-10:16 a.m.

3 stops29h 06m

C$ 839

Quickest round-trip

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 17/8

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

1 stop4h 00m

London

Thu 20/8

5:40 a.m.-9:00 a.m.

1 stop4h 20m

C$ 844

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 14/8

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

1 stop10h 50m

London

Fri 21/8

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

1 stop11h 30m

C$ 876

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 19/8

8:40 a.m.-5:20 a.m.

2 stops19h 40m

London

Wed 26/8

5:40 a.m.-9:00 a.m.

1 stop4h 20m

C$ 878

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 21/8

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

1 stop10h 50m

London

Fri 28/8

2:40 p.m.-4:40 p.m.

2 stops27h 00m

C$ 882

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 19/8

8:40 a.m.-9:20 a.m.

3 stops23h 40m

London

Wed 26/8

10:05 a.m.-1:22 p.m.

1 stop4h 17m

C$ 888

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 14/8

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

1 stop10h 50m

London

Fri 21/8

2:40 p.m.-4:40 p.m.

2 stops27h 00m

C$ 895

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 21/8

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

1 stop4h 55m

London

Fri 28/8

3:30 p.m.-7:52 p.m.

1 stop5h 22m

C$ 903

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

Fastest flight time	25h 45m
Direct flights	None

The fastest flight from Chicago to London, Ontario takes 25h 45m

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

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Frequently asked questions about flying from Chicago to London, Ontario

How far is Chicago to London by plane?
The distance between Chicago and London is about 538.5 km. Flights usually cover this in 25h 45m, 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.