Which airlines fly to Chicago?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Chicago from London, Ontario according to our data. Air Canada is the first choice among our users, with 70% of people opting to fly with this airline when travelling to Chicago. Keep in mind that there are 5 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

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

Air Canada is the most popular carrier operating from London to Chicago

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

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

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

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 London Airport to Chicago.

What documentation or ID do you need to fly to Chicago?

The required travel and health documents for your Chicago 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 Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 356 Cheap Flights from London to Chicago in 2025/26

1 adult

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Find the cheapest flights from London, Ontario to Chicago

Round-trip

One-way

Cheap round-trip flights

8:00 p.m. - 4:43 p.m.YXU-ORD

21h 43m1 stop

5:30 p.m. - 7:12 p.m.ORD-YXU

24h 42m1 stop

C$ 512WestJet

Find Deal

Wed, 22 Oct - Sat, 25 Oct

6:00 a.m. - 11:59 p.m.YXU-ORD

18h 59m2 stops

5:30 p.m. - 7:12 p.m.ORD-YXU

24h 42m1 stop

C$ 597Multiple Airlines

Find Deal

Wed, 22 Oct - Sat, 25 Oct

9:25 a.m. - 3:10 p.m.YXU-ORD

6h 45m1 stop

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

6h 21m1 stop

C$ 644Air Canada

Find Deal

Sun, 2 Nov - Sun, 9 Nov

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

4h 36m1 stop

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

6h 05m1 stop

C$ 656Air Canada

Find Deal

Sat, 8 Nov - Mon, 10 Nov

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

4h 58m1 stop

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

6h 21m1 stop

C$ 658Air Canada

Find Deal

Wed, 3 Dec - Sat, 6 Dec

5:15 a.m. - 2:55 p.m.YXU-ORD

10h 40m2 stops

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

6h 05m1 stop

C$ 664Air Canada

Find Deal

Wed, 3 Dec - Sat, 6 Dec

9:55 a.m. - 8:17 p.m.YXU-ORD

11h 22m2 stops

10:40 a.m. - 9:27 p.m.ORD-YXU

9h 47m2 stops

C$ 671Air Canada

Find Deal

Wed, 22 Oct - Sat, 25 Oct

5:40 p.m. - 7:41 a.m.YXU-ORD

15h 01m2 stops

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

6h 05m1 stop

C$ 726United Airlines

Find Deal

Sun, 2 Nov - Sun, 9 Nov

6:00 a.m. - 12:31 p.m.YXU-ORD

31h 31m3 stops

4:45 p.m. - 7:12 p.m.ORD-YXU

25h 27m3 stops

C$ 733Multiple Airlines

Find Deal

Wed, 22 Oct - Sat, 25 Oct

5:40 p.m. - 7:41 a.m.YXU-ORD

15h 01m2 stops

8:50 a.m. - 5:05 p.m.ORD-YXU

7h 15m2 stops

C$ 754United Airlines

Find Deal

Sun, 2 Nov - Sun, 9 Nov

Air Canada flights from London, Ontario to Chicago

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

Air Canada

2 Nov

YXU9:25 a.m.London

6h 45m

1 stop

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

9 Nov

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

6h 21m

1 stop

YXU9:21 p.m.London

C$ 644

Find similar

Air Canada

8 Nov

YXU9:25 a.m.London

4h 36m

1 stop

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

10 Nov

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

6h 05m

1 stop

YXU5:05 p.m.London

C$ 656

Find similar

Air Canada

3 Dec

YXU5:15 a.m.London

4h 58m

1 stop

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

6 Dec

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

6h 21m

1 stop

YXU9:21 p.m.London

C$ 658

Find similar

WestJet flights from London, Ontario to Chicago

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

WestJet

22 Oct

YXU8:00 p.m.London

21h 43m

1 stop

ORD4:43 p.m.Chicago O'Hare Intl

25 Oct

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

24h 42m

1 stop

YXU7:12 p.m.London

C$ 512

Find similar

WestJet

22 Oct

YXU6:00 a.m.London

32h 08m

3 stops

MDW1:08 p.m.Chicago Midway

25 Oct

MDW9:20 a.m.Chicago Midway

32h 52m

3 stops

YXU7:12 p.m.London

C$ 1,040

Find similar

WestJet

3 Dec

YXU8:10 p.m.London

17h 58m

2 stops

MDW1:08 p.m.Chicago Midway

6 Dec

MDW11:05 a.m.Chicago Midway

31h 07m

2 stops

YXU7:12 p.m.London

C$ 2,063

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

Wed 22/10

8:00 p.m.-4:43 p.m.

1 stop21h 43m

Chicago O'Hare Intl

Sat 25/10

5:30 p.m.-7:12 p.m.

1 stop24h 42m

C$ 512

LondonChicago

YXU - ORD

YXUORD

London

Wed 22/10

6:00 a.m.-11:59 p.m.

2 stops18h 59m

Chicago O'Hare Intl

Sat 25/10

5:30 p.m.-7:12 p.m.

1 stop24h 42m

C$ 597

LondonChicago

YXU - ORD

YXUORD

London

Sun 2/11

9:25 a.m.-3:10 p.m.

1 stop6h 45m

Chicago O'Hare Intl

Sun 9/11

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

1 stop6h 21m

C$ 644

LondonChicago

YXU - ORD

YXUORD

London

Sat 8/11

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

1 stop4h 36m

Chicago O'Hare Intl

Mon 10/11

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

1 stop6h 05m

C$ 656

LondonChicago

YXU - ORD

YXUORD

London

Wed 3/12

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

1 stop4h 58m

Chicago O'Hare Intl

Sat 6/12

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

1 stop6h 21m

C$ 658

LondonChicago

YXU - ORD

YXUORD

London

Wed 3/12

5:15 a.m.-2:55 p.m.

2 stops10h 40m

Chicago O'Hare Intl

Sat 6/12

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

1 stop6h 05m

C$ 664

LondonChicago

YXU - ORD

YXUORD

London

Wed 22/10

9:55 a.m.-8:17 p.m.

2 stops11h 22m

Chicago O'Hare Intl

Sat 25/10

10:40 a.m.-9:27 p.m.

2 stops9h 47m

C$ 671

LondonChicago

YXU - ORD

YXUORD

London

Sun 2/11

5:40 p.m.-7:41 a.m.

2 stops15h 01m

Chicago O'Hare Intl

Sun 9/11

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

1 stop6h 05m

C$ 726

LondonChicago

YXU - ORD

YXUORD

London

Wed 22/10

6:00 a.m.-12:31 p.m.

3 stops31h 31m

Chicago O'Hare Intl

Sat 25/10

4:45 p.m.-7:12 p.m.

3 stops25h 27m

C$ 733

LondonChicago

YXU - ORD

YXUORD

London

Sun 2/11

5:40 p.m.-7:41 a.m.

2 stops15h 01m

Chicago O'Hare Intl

Sun 9/11

8:50 a.m.-5:05 p.m.

2 stops7h 15m

C$ 754

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

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

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

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as C$ 768. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 865. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chicago.

What is the cheapest time of day to depart on your flight to Chicago?

In the afternoon is the cheapest time of day to fly from London, Ontario to Chicago when you can find flight prices for as low as C$ 844. Flying to Chicago in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Chicago, so prices are often more expensive at around C$ 876 per ticket.

When to book flights from London, Ontario to Chicago

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

Estimated round-trip price

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

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

Direct flights	None

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

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How far is London to Chicago by plane?
The straight-line distance from London to Chicago is 538.5 km. Flights usually cover this in 4h 19m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Airport to Chicago?
Prices for flights from London Airport to Chicago are updated daily.
How old do you have to be to fly from London Airport to Chicago?
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 London Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The required travel and health documents for your Chicago 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 Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from London, Ontario to Chicago?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London, Ontario to Chicago is Air Canada (100% of total bookings).

Munster

Hammond

Merrillville

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Chicago for you.

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

Yes. All flights to Chicago from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for London to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for London to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.