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 55% 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$ 428 Cheap Flights from Chicago to London in 2026

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Chicago to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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$ 428WestJet

Mon, 25 May - Thu, 28 May

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$ 439WestJet

Mon, 25 May - Thu, 28 May

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$ 450WestJet

Mon, 25 May - Thu, 28 May

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

ORD

YXU

10h 50m

1 stop

5:55 p.m. - 4:40 p.m.

YXU

ORD

23h 45m

1 stop

C$ 495WestJet

Sat, 23 May - Tue, 26 May

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

ORD

YXU

10h 50m

1 stop

5:55 p.m. - 4:40 p.m.

YXU

ORD

23h 45m

1 stop

C$ 509WestJet

Sat, 23 May - Tue, 26 May

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

ORD

YXU

10h 50m

1 stop

5:55 p.m. - 4:40 p.m.

YXU

ORD

23h 45m

1 stop

C$ 543WestJet

Sat, 23 May - Tue, 26 May

2:20 p.m. - 6:35 a.m.

ORD

YXU

15h 15m

1 stop

8:10 p.m. - 6:08 a.m.

YXU

ORD

34h 58m

2 stops

C$ 707Multiple Airlines

Mon, 16 Mar - Mon, 23 Mar

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

ORD

YXU

6h 05m

1 stop

9:40 a.m. - 3:10 p.m.

YXU

ORD

6h 30m

1 stop

C$ 708Air Canada

Mon, 16 Mar - Mon, 23 Mar

3:50 p.m. - 9:38 p.m.

ORD

YXU

4h 48m

1 stop

12:20 p.m. - 8:08 p.m.

YXU

ORD

8h 48m

2 stops

C$ 721Air Canada

Sat, 23 May - Tue, 26 May

4:15 p.m. - 9:18 p.m.

ORD

YXU

4h 03m

1 stop

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

YXU

ORD

5h 00m

1 stop

C$ 785Air Canada

Fri, 3 Apr - Fri, 10 Apr

Air Canada flights from Chicago to London, Ontario

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

Air Canada

16 Mar

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

6h 05m

1 stop

YXU5:05 p.m.London

23 Mar

YXU9:40 a.m.London

6h 30m

1 stop

ORD3:10 p.m.Chicago O'Hare Intl

C$ 708

Air Canada

23 May

ORD3:50 p.m.Chicago O'Hare Intl

4h 48m

1 stop

YXU9:38 p.m.London

26 May

YXU12:20 p.m.London

8h 48m

2 stops

ORD8:08 p.m.Chicago O'Hare Intl

C$ 720

Air Canada

3 Apr

ORD4:15 p.m.Chicago O'Hare Intl

4h 03m

1 stop

YXU9:18 p.m.London

10 Apr

YXU5:10 a.m.London

5h 00m

1 stop

ORD9:10 a.m.Chicago O'Hare Intl

C$ 785

WestJet flights from Chicago to London, Ontario

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

WestJet

25 May

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

10h 50m

1 stop

YXU5:20 a.m.London

28 May

YXU6:10 a.m.London

11h 30m

1 stop

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

C$ 428

WestJet

25 May

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

10h 50m

1 stop

YXU5:20 a.m.London

28 May

YXU6:10 a.m.London

11h 30m

1 stop

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

C$ 439

WestJet

25 May

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

10h 50m

1 stop

YXU5:20 a.m.London

28 May

YXU6:10 a.m.London

11h 30m

1 stop

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

C$ 450

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 25/5

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

1 stop10h 50m

London

Thu 28/5

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

1 stop11h 30m

C$ 428

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 25/5

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

1 stop10h 50m

London

Thu 28/5

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

1 stop11h 30m

C$ 439

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 25/5

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

1 stop10h 50m

London

Thu 28/5

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

1 stop11h 30m

C$ 450

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 23/5

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

1 stop10h 50m

London

Tue 26/5

5:55 p.m.-4:40 p.m.

1 stop23h 45m

C$ 495

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 23/5

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

1 stop10h 50m

London

Tue 26/5

5:55 p.m.-4:40 p.m.

1 stop23h 45m

C$ 509

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 23/5

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

1 stop10h 50m

London

Tue 26/5

5:55 p.m.-4:40 p.m.

1 stop23h 45m

C$ 543

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 16/3

2:20 p.m.-6:35 a.m.

1 stop15h 15m

London

Mon 23/3

8:10 p.m.-6:08 a.m.

2 stops34h 58m

C$ 707

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 16/3

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

1 stop6h 05m

London

Mon 23/3

9:40 a.m.-3:10 p.m.

1 stop6h 30m

C$ 708

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 23/5

3:50 p.m.-9:38 p.m.

1 stop4h 48m

London

Tue 26/5

12:20 p.m.-8:08 p.m.

2 stops8h 48m

C$ 720

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 3/4

4:15 p.m.-9:18 p.m.

1 stop4h 03m

London

Fri 10/4

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

1 stop5h 00m

C$ 785

Flights are sorted by cheapest round-trip flights first.

Sorted 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	5h 11m
Direct flights	None

The fastest flight from Chicago to London, Ontario takes 5h 11m

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 5h 11m, 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.