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

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

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 71% 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.

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$ 319 Cheap Flights from London, Ontario to Chicago (YXU-CHI) in 2025

1 adult

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Find the cheapest flights from London, Ontario to Chicago (YXU-CHI)

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. - 5:12 a.m.ORD-YXU

10h 42m1 stop

C$ 429WestJet

Find Deal

Sat, 4 Oct - Mon, 6 Oct

8:00 p.m. - 11:48 a.m.YXU-ORD

40h 48m2 stops

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

10h 42m1 stop

C$ 532

Find Deal

Tue, 23 Sep - Tue, 30 Sep

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

21h 43m1 stop

10:19 p.m. - 5:12 a.m.ORD-YXU

29h 53m2 stops

C$ 550

Find Deal

Sat, 4 Oct - Mon, 6 Oct

6:00 a.m. - 4:43 p.m.YXU-ORD

11h 43m1 stop

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

10h 42m1 stop

C$ 605WestJet

Find Deal

Tue, 23 Sep - Tue, 30 Sep

8:00 p.m. - 11:59 p.m.YXU-ORD

28h 59m2 stops

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

10h 42m1 stop

C$ 643

Find Deal

Sun, 21 Sep - Sun, 28 Sep

10:00 a.m. - 8:11 p.m.YXU-ORD

11h 11m2 stops

10:40 a.m. - 9:29 p.m.ORD-YXU

9h 49m2 stops

C$ 648Air Canada

Find Deal

Tue, 23 Sep - Tue, 30 Sep

5:45 a.m. - 2:55 p.m.YXU-ORD

10h 10m2 stops

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

6h 21m1 stop

C$ 650Air Canada

Find Deal

Thu, 4 Dec - Sat, 3 Jan

8:00 p.m. - 10:49 p.m.YXU-ORD

27h 49m3 stops

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

10h 42m1 stop

C$ 654

Find Deal

Sat, 4 Oct - Mon, 6 Oct

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

4h 36m1 stop

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

4h 26m1 stop

C$ 744United Airlines

Find Deal

Mon, 8 Dec - Mon, 29 Dec

6:15 a.m. - 12:03 p.m.YXU-ORD

6h 48m1 stop

8:55 a.m. - 3:02 p.m.ORD-YXU

5h 07m1 stop

C$ 773United Airlines

Find Deal

Thu, 9 Oct - Thu, 16 Oct

WestJet flights from London, Ontario to Chicago

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

WestJet

4 Oct

YXU8:00 p.m.London

21h 43m

1 stop

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

6 Oct

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

10h 42m

1 stop

YXU5:12 a.m.London

C$ 429

Find similar

WestJet

23 Sep

YXU6:00 a.m.London

11h 43m

1 stop

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

30 Sep

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

10h 42m

1 stop

YXU5:12 a.m.London

C$ 605

Find similar

WestJet

8 Dec

YXU8:00 p.m.London

15h 03m

2 stops

ORD10:03 a.m.Chicago O'Hare Intl

31 Dec

ORD12:35 p.m.Chicago O'Hare Intl

16h 59m

2 stops

YXU6:34 a.m.London

C$ 1,884

Find similar

Air Canada flights from London, Ontario to Chicago

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

Air Canada

23 Sep

YXU10:00 a.m.London

11h 11m

2 stops

ORD8:11 p.m.Chicago O'Hare Intl

30 Sep

ORD10:40 a.m.Chicago O'Hare Intl

9h 49m

2 stops

YXU9:29 p.m.London

C$ 648

Find similar

Air Canada

4 Dec

YXU5:45 a.m.London

10h 10m

2 stops

ORD2:55 p.m.Chicago O'Hare Intl

3 Jan

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

6h 21m

1 stop

YXU9:21 p.m.London

C$ 650

Find similar

Air Canada

5 Dec

YXU5:45 a.m.London

10h 10m

2 stops

ORD2:55 p.m.Chicago O'Hare Intl

3 Jan

ORD7:15 a.m.Chicago O'Hare Intl

8h 51m

2 stops

YXU5:06 p.m.London

C$ 677

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

Sat 4/10

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

1 stop21h 43m

Chicago O'Hare Intl

Mon 6/10

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

1 stop10h 42m

C$ 429

LondonChicago

YXU - ORD

YXUORD

London

Tue 23/9

8:00 p.m.-11:48 a.m.

2 stops40h 48m

Chicago O'Hare Intl

Tue 30/9

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

1 stop10h 42m

C$ 532

LondonChicago

YXU - ORD

YXUORD

London

Sat 4/10

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

1 stop21h 43m

Chicago O'Hare Intl

Mon 6/10

10:19 p.m.-5:12 a.m.

2 stops29h 53m

C$ 550

LondonChicago

YXU - ORD

YXUORD

London

Tue 23/9

6:00 a.m.-4:43 p.m.

1 stop11h 43m

Chicago O'Hare Intl

Tue 30/9

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

1 stop10h 42m

C$ 605

LondonChicago

YXU - ORD

YXUORD

London

Sun 21/9

8:00 p.m.-11:59 p.m.

2 stops28h 59m

Chicago O'Hare Intl

Sun 28/9

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

1 stop10h 42m

C$ 643

LondonChicago

YXU - ORD

YXUORD

London

Tue 23/9

10:00 a.m.-8:11 p.m.

2 stops11h 11m

Chicago O'Hare Intl

Tue 30/9

10:40 a.m.-9:29 p.m.

2 stops9h 49m

C$ 648

LondonChicago

YXU - ORD

YXUORD

London

Thu 4/12

5:45 a.m.-2:55 p.m.

2 stops10h 10m

Chicago O'Hare Intl

Sat 3/1

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

1 stop6h 21m

C$ 650

LondonChicago

YXU - ORD

YXUORD

London

Sat 4/10

8:00 p.m.-10:49 p.m.

3 stops27h 49m

Chicago O'Hare Intl

Mon 6/10

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

1 stop10h 42m

C$ 654

LondonChicago

YXU - ORD

YXUORD

London

Mon 8/12

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

1 stop4h 36m

Chicago O'Hare Intl

Mon 29/12

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

1 stop4h 26m

C$ 744

LondonChicago

YXU - ORD

YXUORD

London

Thu 9/10

6:15 a.m.-12:03 p.m.

1 stop6h 48m

Chicago O'Hare Intl

Thu 16/10

8:55 a.m.-3:02 p.m.

1 stop5h 07m

C$ 773

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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$ 772. 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$ 869. 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$ 848. 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$ 881 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.

Search flight deals

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 36m, 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).

Hammond

Munster

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.