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Cheap flights from London, Ontario to Chicago from C$ 274

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to Chicago departing on 13/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London, Ontario to Chicago

Cheap round-trip flights

WestJet Logo
6:00 a.m. - 4:43 p.m.YXU-ORD
11h 43m1 stop
WestJet Logo
5:30 p.m. - 5:12 a.m.ORD-YXU
10h 42m1 stop
C$ 469WestJet
Find Deal
sex, 3 out - seg, 6 out
WestJet Logo
8:00 p.m. - 4:43 p.m.YXU-ORD
21h 43m1 stop
WestJet Logo
2:20 p.m. - 7:12 p.m.ORD-YXU
27h 52m1 stop
C$ 508WestJet
Find Deal
sex, 24 out - dom, 26 out
Air Canada Logo
6:10 a.m. - 9:08 a.m.YXU-ORD
3h 58m1 stop
Air Canada Logo
3:50 p.m. - 9:29 p.m.ORD-YXU
4h 39m1 stop
C$ 655Air Canada
Find Deal
sáb, 13 set - sáb, 20 set
Logo
8:00 p.m. - 7:50 p.m.YXU-ORD
24h 50m2 stops
Logo
5:30 p.m. - 5:12 a.m.ORD-YXU
10h 42m1 stop
C$ 673
Find Deal
sáb, 13 set - sáb, 20 set
Air Canada Logo
9:55 a.m. - 3:04 p.m.YXU-ORD
6h 09m1 stop
Air Canada Logo
2:00 p.m. - 9:29 p.m.ORD-YXU
6h 29m1 stop
C$ 684Air Canada
Find Deal
qui, 28 ago - qui, 4 set
Logo
6:00 a.m. - 4:43 p.m.YXU-ORD
11h 43m1 stop
Logo
10:41 p.m. - 7:12 p.m.ORD-YXU
19h 31m2 stops
C$ 693
Find Deal
sex, 24 out - dom, 26 out
Logo
8:00 p.m. - 5:40 a.m.YXU-ORD
34h 40m2 stops
Logo
5:30 p.m. - 5:12 a.m.ORD-YXU
10h 42m1 stop
C$ 717
Find Deal
qui, 28 ago - qui, 4 set
Logo
6:00 a.m. - 4:50 a.m.YXU-ORD
23h 50m3 stops
Logo
5:30 p.m. - 5:12 a.m.ORD-YXU
10h 42m1 stop
C$ 724
Find Deal
qui, 28 ago - qui, 4 set
United Airlines Logo
10:00 a.m. - 1:14 p.m.YXU-ORD
4h 14m1 stop
United Airlines Logo
6:00 a.m. - 3:17 p.m.ORD-YXU
8h 17m2 stops
C$ 746United Airlines
Find Deal
dom, 14 set - dom, 21 set
United Airlines Logo
10:00 a.m. - 7:48 p.m.YXU-ORD
10h 48m2 stops
United Airlines Logo
6:00 a.m. - 3:17 p.m.ORD-YXU
8h 17m2 stops
C$ 753United Airlines
Find Deal
dom, 14 set - dom, 21 set

WestJet flights from London, Ontario to Chicago O'Hare Intl Airport

Our best WestJet deals on London, Ontario to Chicago O'Hare Intl Airport flight tickets
WestJet
3 Oct
YXU6:00 a.m.London
11h 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$ 469
Find similar
WestJet
24 Oct
YXU8:00 p.m.London
21h 43m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
26 Oct
ORD2:20 p.m.Chicago O'Hare Intl
27h 52m
1 stop
YXU7:12 p.m.London
C$ 508
Find similar
WestJet
15 Aug
YXU8:00 p.m.London
21h 44m
1 stop
ORD4:44 p.m.Chicago O'Hare Intl
18 Aug
ORD5:30 p.m.Chicago O'Hare Intl
10h 44m
1 stop
YXU5:14 a.m.London
C$ 1,547
Find similar

Air Canada flights from London, Ontario to Chicago O'Hare Intl Airport

Our best Air Canada deals on London, Ontario to Chicago O'Hare Intl Airport flight tickets
Air Canada
13 Sep
YXU6:10 a.m.London
3h 58m
1 stop
ORD9:08 a.m.Chicago O'Hare Intl
20 Sep
ORD3:50 p.m.Chicago O'Hare Intl
4h 39m
1 stop
YXU9:29 p.m.London
C$ 655
Find similar
Air Canada
28 Aug
YXU9:55 a.m.London
6h 09m
1 stop
ORD3:04 p.m.Chicago O'Hare Intl
4 Sep
ORD2:00 p.m.Chicago O'Hare Intl
6h 29m
1 stop
YXU9:29 p.m.London
C$ 684
Find similar
Air Canada
3 Oct
YXU6:15 a.m.London
6h 46m
2 stops
ORD12:01 p.m.Chicago O'Hare Intl
6 Oct
ORD2:00 p.m.Chicago O'Hare Intl
6h 27m
1 stop
YXU9:27 p.m.London
C$ 725
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to Chicago O'Hare Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 31 julho 2025.
Use the filters below to find and compare flights from London, Ontario to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

sex 3/10

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

1 stop11h 43m

Chicago O'Hare Intl

seg 6/10

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

1 stop10h 42m

C$ 469

LondonChicago

YXU - ORD

YXUORD

London

sex 24/10

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

1 stop21h 43m

Chicago O'Hare Intl

dom 26/10

2:20 p.m.-7:12 p.m.

1 stop27h 52m

C$ 508

LondonChicago

YXU - ORD

YXUORD

London

sáb 13/9

6:10 a.m.-9:08 a.m.

1 stop3h 58m

Chicago O'Hare Intl

sáb 20/9

3:50 p.m.-9:29 p.m.

1 stop4h 39m

C$ 655

LondonChicago

YXU - ORD

YXUORD

London

sáb 13/9

8:00 p.m.-7:50 p.m.

2 stops24h 50m

Chicago O'Hare Intl

sáb 20/9

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

1 stop10h 42m

C$ 673

LondonChicago

YXU - ORD

YXUORD

London

qui 28/8

9:55 a.m.-3:04 p.m.

1 stop6h 09m

Chicago O'Hare Intl

qui 4/9

2:00 p.m.-9:29 p.m.

1 stop6h 29m

C$ 684

LondonChicago

YXU - ORD

YXUORD

London

sex 24/10

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

1 stop11h 43m

Chicago O'Hare Intl

dom 26/10

10:41 p.m.-7:12 p.m.

2 stops19h 31m

C$ 693

LondonChicago

YXU - ORD

YXUORD

London

qui 28/8

8:00 p.m.-5:40 a.m.

2 stops34h 40m

Chicago O'Hare Intl

qui 4/9

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

1 stop10h 42m

C$ 717

LondonChicago

YXU - ORD

YXUORD

London

qui 28/8

6:00 a.m.-4:50 a.m.

3 stops23h 50m

Chicago O'Hare Intl

qui 4/9

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

1 stop10h 42m

C$ 724

LondonChicago

YXU - ORD

YXUORD

London

dom 14/9

10:00 a.m.-1:14 p.m.

1 stop4h 14m

Chicago O'Hare Intl

dom 21/9

6:00 a.m.-3:17 p.m.

2 stops8h 17m

C$ 746

LondonChicago

YXU - ORD

YXUORD

London

dom 14/9

10:00 a.m.-7:48 p.m.

2 stops10h 48m

Chicago O'Hare Intl

dom 21/9

6:00 a.m.-3:17 p.m.

2 stops8h 17m

C$ 753

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from London, Ontario to Chicago O'Hare Intl Airport

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

What is the cheapest airline that flies from London to Chicago O'Hare Intl?

WestJet, Air Canada, and United Airlines are the most popular carriers operating from London to Chicago O'Hare Intl

Which airlines fly to Chicago O'Hare Intl Airport?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from London, Ontario according to our data. Air Canada is the first choice among our users, with 73% of people opting to fly with this airline when travelling to Chicago O'Hare Intl Airport. Keep in mind that there are 5 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from London, Ontario to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London, Ontario to Chicago O'Hare Intl Airport (YXU to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Chicago O'Hare Intl Airport

Best price found

C$ 274

Fastest flight time

3h 58m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from London, Ontario in the past 72 hours is C$ 274. The best round-trip flight deal from London, Ontario to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is C$ 469.
The fastest flight from London, Ontario to Chicago O'Hare Intl Airport takes 3h 58m
There are no direct flights from London, Ontario to Chicago O'Hare Intl Airport. Popular non-direct route for this connection is London Airport - Chicago O'Hare Intl Airport.
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  • How far is London to Chicago O'Hare Intl by plane?

    London and Chicago O'Hare Intl are 557.8 km apart from one another. Flights usually cover this in 3h 58m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Airport to Chicago O'Hare Intl Airport?

    Prices for flights from London Airport to Chicago O'Hare Intl Airport refresh daily.

  • How old do you have to be to fly from London Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

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

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Hoffman Estates
Lisle
Tinley Park
Glenview
Hammond
Naperville
Wheeling
Great Lakes
Munster
Des Plaines
Benton Harbor
Harvard
Merrillville
Schaumburg
Oak Brook
Elmhurst
Elk Grove Village
Bridgeview
Kenosha
Skokie

Why use momondo?

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

Finding the right flight to Chicago from London is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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.

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