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Cheap flights from Chicago O'Hare Intl Airport to London from $236

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to London departing on 7/7. 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 Chicago O'Hare Intl Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
$282WestJet
Mon, May 25 - Thu, May 28
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
$328WestJet
Mon, May 25 - Thu, May 28
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
5:55 pm - 4:40 pm
YXU
-
ORD
23h 45m
1 stop
$367WestJet
Sat, May 23 - Tue, May 26
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
5:55 pm - 4:40 pm
YXU
-
ORD
23h 45m
1 stop
$392WestJet
Sat, May 23 - Tue, May 26
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
5:55 pm - 4:40 pm
YXU
-
ORD
23h 45m
1 stop
$403WestJet
Sat, May 23 - Tue, May 26
Air Canada Logo
3:45 pm - 9:40 pm
ORD
-
YXU
4h 55m
1 stop
Air Canada Logo
3:30 pm - 7:52 pm
YXU
-
ORD
5h 22m
1 stop
$518Air Canada
Tue, Jul 14 - Sat, Jul 18
Air Canada Logo
10:00 am - 5:05 pm
ORD
-
YXU
6h 05m
1 stop
Air Canada Logo
9:25 am - 1:01 pm
YXU
-
ORD
4h 36m
1 stop
$519Air Canada
Tue, Feb 24 - Wed, Feb 25
Air Canada Logo
10:00 am - 5:05 pm
ORD
-
YXU
6h 05m
1 stop
Air Canada Logo
5:10 am - 9:13 am
YXU
-
ORD
5h 03m
1 stop
$520Air Canada
Thu, Feb 26 - Sun, Mar 1
Air Canada Logo
2:15 pm - 9:38 pm
ORD
-
YXU
6h 23m
1 stop
Air Canada Logo
9:30 am - 8:08 pm
YXU
-
ORD
11h 38m
2 stops
$528Air Canada
Mon, May 25 - Thu, May 28
Multiple Airlines Logo
2:20 pm - 6:35 am
ORD
-
YXU
15h 15m
1 stop
Multiple Airlines Logo
8:10 pm - 10:39 pm
YXU
-
ORD
27h 29m
2 stops
$532Multiple Airlines
Mon, Mar 30 - Mon, Apr 6

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

Our best WestJet deals on Chicago O'Hare Intl Airport to London, Ontario flight tickets
WestJet
May 25
ORD5:30 pmChicago O'Hare Intl
10h 50m
1 stop
YXU5:20 amLondon
May 28
YXU6:10 amLondon
11h 30m
1 stop
ORD4:40 pmChicago O'Hare Intl
$282
WestJet
May 25
ORD5:30 pmChicago O'Hare Intl
10h 50m
1 stop
YXU5:20 amLondon
May 28
YXU6:10 amLondon
11h 30m
1 stop
ORD4:40 pmChicago O'Hare Intl
$328
WestJet
May 23
ORD5:30 pmChicago O'Hare Intl
10h 50m
1 stop
YXU5:20 amLondon
May 26
YXU5:55 pmLondon
23h 45m
1 stop
ORD4:40 pmChicago O'Hare Intl
$367

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

Our best Air Canada deals on Chicago O'Hare Intl Airport to London, Ontario flight tickets
Air Canada
Jul 14
ORD3:45 pmChicago O'Hare Intl
4h 55m
1 stop
YXU9:40 pmLondon
Jul 18
YXU3:30 pmLondon
5h 22m
1 stop
ORD7:52 pmChicago O'Hare Intl
$518
Air Canada
Feb 24
ORD10:00 amChicago O'Hare Intl
6h 05m
1 stop
YXU5:05 pmLondon
Feb 25
YXU9:25 amLondon
4h 36m
1 stop
ORD1:01 pmChicago O'Hare Intl
$519
Air Canada
Feb 26
ORD10:00 amChicago O'Hare Intl
6h 05m
1 stop
YXU5:05 pmLondon
Mar 1
YXU5:10 amLondon
5h 03m
1 stop
ORD9:13 amChicago O'Hare Intl
$520

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to London, Ontario 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 832,500 searches. Data last updated February 14, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 5/25

5:30 pm-5:20 am

1 stop10h 50m

London

Thu 5/28

6:10 am-4:40 pm

1 stop11h 30m

$282

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 5/25

5:30 pm-5:20 am

1 stop10h 50m

London

Thu 5/28

6:10 am-4:40 pm

1 stop11h 30m

$328

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 5/23

5:30 pm-5:20 am

1 stop10h 50m

London

Tue 5/26

5:55 pm-4:40 pm

1 stop23h 45m

$367

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 5/23

5:30 pm-5:20 am

1 stop10h 50m

London

Tue 5/26

5:55 pm-4:40 pm

1 stop23h 45m

$392

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 5/23

5:30 pm-5:20 am

1 stop10h 50m

London

Tue 5/26

5:55 pm-4:40 pm

1 stop23h 45m

$403

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Tue 7/14

3:45 pm-9:40 pm

1 stop4h 55m

London

Sat 7/18

3:30 pm-7:52 pm

1 stop5h 22m

$518

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Tue 2/24

10:00 am-5:05 pm

1 stop6h 05m

London

Wed 2/25

9:25 am-1:01 pm

1 stop4h 36m

$519

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 2/26

10:00 am-5:05 pm

1 stop6h 05m

London

Sun 3/1

5:10 am-9:13 am

1 stop5h 03m

$520

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 5/25

2:15 pm-9:38 pm

1 stop6h 23m

London

Thu 5/28

9:30 am-8:08 pm

2 stops11h 38m

$528

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 3/30

2:20 pm-6:35 am

1 stop15h 15m

London

Mon 4/6

8:10 pm-10:39 pm

2 stops27h 29m

$532

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 London from

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

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

Air Canada is the most popular carrier operating from Chicago O'Hare Intl to London

What 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 O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 4 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

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

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

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

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

Fastest flight time

5h 42m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to London, Ontario takes 5h 42m
There are no direct flights from Chicago O'Hare Intl Airport to London, Ontario. There are no popular flight routes from Chicago O'Hare Intl Airport to London, Ontario.
Search flight deals

  • How far is Chicago O'Hare Intl to London by plane?

    The distance between Chicago O'Hare Intl and London is about 346.6 mi. Flights usually cover this in 5h 42m, depending on flying conditions and air traffic around both airports.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to London Airport.

  • What documentation or ID do you need to fly to London Airport?

    The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend
Port Stanley

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Chicago.

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

All flight searches from Chicago to London on momondo can be filtered to show those which offer flexible booking policies.

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?

Price alerts on flights to London from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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