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 65% 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$ 287 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

Enter your travel dates to find the best prices.

8:10 p.m. - 3:24 p.m.

YXU

ORD

44h 14m2 stops

2:20 p.m. - 6:34 a.m.

ORD

YXU

15h 14m1 stop

C$ 568Multiple Airlines

mié., 21 ene. - lun., 26 ene.

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

YXU

ORD

4h 35m1 stop

2:00 p.m. - 9:18 p.m.

ORD

YXU

6h 18m1 stop

C$ 679Air Canada

dom., 12 abr. - jue., 16 abr.

9:50 a.m. - 3:10 p.m.

YXU

ORD

6h 20m1 stop

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

ORD

YXU

6h 05m1 stop

C$ 680Air Canada

mié., 21 ene. - lun., 26 ene.

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

YXU

ORD

4h 35m1 stop

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

ORD

YXU

11h 38m2 stops

C$ 683Air Canada

dom., 12 abr. - jue., 16 abr.

9:25 a.m. - 7:50 p.m.

YXU

ORD

11h 25m2 stops

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

ORD

YXU

11h 38m2 stops

C$ 687Air Canada

dom., 12 abr. - jue., 16 abr.

8:10 p.m. - 11:46 p.m.

YXU

ORD

28h 36m3 stops

5:15 a.m. - 6:34 a.m.

ORD

YXU

24h 19m3 stops

C$ 750Multiple Airlines

mié., 21 ene. - lun., 26 ene.

9:50 a.m. - 3:10 p.m.

YXU

ORD

6h 20m1 stop

3:55 p.m. - 9:20 p.m.

ORD

YXU

4h 25m1 stop

C$ 752United Airlines

sáb., 24 ene. - sáb., 31 ene.

5:10 a.m. - 1:15 p.m.

YXU

ORD

9h 05m2 stops

10:52 a.m. - 9:20 p.m.

ORD

YXU

9h 28m2 stops

C$ 758United Airlines

sáb., 24 ene. - sáb., 31 ene.

8:10 p.m. - 6:05 p.m.

YXU

MDW

22h 55m2 stops

10:35 a.m. - 6:35 a.m.

MDW

YXU

19h 00m2 stops

C$ 2,089WestJet

dom., 12 abr. - jue., 16 abr.

8:10 p.m. - 6:05 p.m.

YXU

MDW

22h 55m2 stops

10:35 a.m. - 6:35 a.m.

MDW

YXU

19h 00m2 stops

C$ 2,092WestJet

dom., 12 abr. - jue., 16 abr.

Air Canada flights from London, Ontario to Chicago

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

Air Canada

12 Apr

YXU9:25 a.m.London

4h 35m

1 stop

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

16 Apr

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

6h 18m

1 stop

YXU9:18 p.m.London

C$ 679

Find similar

Air Canada

21 Jan

YXU9:50 a.m.London

6h 20m

1 stop

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

26 Jan

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

6h 05m

1 stop

YXU5:05 p.m.London

C$ 680

Find similar

Air Canada

12 Apr

YXU9:25 a.m.London

4h 35m

1 stop

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

16 Apr

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

11h 38m

2 stops

YXU9:18 p.m.London

C$ 683

Find similar

United Airlines flights from London, Ontario to Chicago

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

United Airlines

24 Jan

YXU9:50 a.m.London

6h 20m

1 stop

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

31 Jan

ORD3:55 p.m.Chicago O'Hare Intl

4h 25m

1 stop

YXU9:20 p.m.London

C$ 752

Find similar

United Airlines

24 Jan

YXU5:10 a.m.London

9h 05m

2 stops

ORD1:15 p.m.Chicago O'Hare Intl

31 Jan

ORD10:52 a.m.Chicago O'Hare Intl

9h 28m

2 stops

YXU9:20 p.m.London

C$ 758

Find similar

United Airlines

26 Dec

YXU5:40 p.m.London

5h 25m

1 stop

ORD10:05 p.m.Chicago O'Hare Intl

30 Dec

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

6h 05m

1 stop

YXU5:05 p.m.London

C$ 956

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

mié. 21/1

8:10 p.m.-3:24 p.m.

2 stops44h 14m

Chicago O'Hare Intl

lun. 26/1

2:20 p.m.-6:34 a.m.

1 stop15h 14m

C$ 568

LondonChicago

YXU - ORD

YXUORD

London

dom. 12/4

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

1 stop4h 35m

Chicago O'Hare Intl

jue. 16/4

2:00 p.m.-9:18 p.m.

1 stop6h 18m

C$ 679

LondonChicago

YXU - ORD

YXUORD

London

mié. 21/1

9:50 a.m.-3:10 p.m.

1 stop6h 20m

Chicago O'Hare Intl

lun. 26/1

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

1 stop6h 05m

C$ 680

LondonChicago

YXU - ORD

YXUORD

London

dom. 12/4

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

1 stop4h 35m

Chicago O'Hare Intl

jue. 16/4

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

2 stops11h 38m

C$ 683

LondonChicago

YXU - ORD

YXUORD

London

dom. 12/4

9:25 a.m.-7:50 p.m.

2 stops11h 25m

Chicago O'Hare Intl

jue. 16/4

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

2 stops11h 38m

C$ 687

LondonChicago

YXU - ORD

YXUORD

London

mié. 21/1

8:10 p.m.-11:46 p.m.

3 stops28h 36m

Chicago O'Hare Intl

lun. 26/1

5:15 a.m.-6:34 a.m.

3 stops24h 19m

C$ 750

LondonChicago

YXU - ORD

YXUORD

London

sáb. 24/1

9:50 a.m.-3:10 p.m.

1 stop6h 20m

Chicago O'Hare Intl

sáb. 31/1

3:55 p.m.-9:20 p.m.

1 stop4h 25m

C$ 752

LondonChicago

YXU - ORD

YXUORD

London

sáb. 24/1

5:10 a.m.-1:15 p.m.

2 stops9h 05m

Chicago O'Hare Intl

sáb. 31/1

10:52 a.m.-9:20 p.m.

2 stops9h 28m

C$ 758

LondonChicago

YXU - MDW

YXUMDW

London

dom. 12/4

8:10 p.m.-6:05 p.m.

2 stops22h 55m

Chicago Midway

jue. 16/4

10:35 a.m.-6:35 a.m.

2 stops19h 00m

C$ 2,089

LondonChicago

YXU - MDW

YXUMDW

London

dom. 12/4

8:10 p.m.-6:05 p.m.

2 stops22h 55m

Chicago Midway

jue. 16/4

10:35 a.m.-6:35 a.m.

2 stops19h 00m

C$ 2,092

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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$ 770. 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$ 867. 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$ 846. 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$ 878 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

Fastest flight time	5h 25m
Direct flights	None

The fastest flight from London, Ontario to Chicago takes 5h 25m

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 5h 25m, 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.