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 Illinois according to our data. United Airlines is the first choice among our users, with 37% 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.

How long does it take to fly to London, Ontario?

If you’re flying from a popular airport in Illinois, such as Chicago or Moline, and flying into London, Ontario, then you can expect flight times to average 2h 21m and 7h 58m, respectively.

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

WestJet and Air Canada are the most popular carriers operating from Illinois to London

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

Prices for flights from Illinois to London Airport refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to London Airport.

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

The travel and health documents you'll need for your trip to London Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$229 Cheap Flights from Illinois to London in 2025/26

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Find the cheapest flights from Illinois to London

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 6:34 am

ORD

YXU

20h 34m2 stops

8:10 pm - 1:35 pm

YXU

ORD

18h 25m1 stop

$449Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

5:15 am - 6:34 am

ORD

YXU

24h 19m3 stops

8:10 pm - 1:35 pm

YXU

ORD

18h 25m1 stop

$494Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

6:05 am - 6:34 am

ORD

YXU

23h 29m3 stops

8:10 pm - 9:03 pm

YXU

ORD

25h 53m3 stops

$503Multiple Airlines

Wed, Jan 28 - Wed, Feb 4

5:15 am - 6:34 am

ORD

YXU

24h 19m3 stops

8:10 pm - 11:46 pm

YXU

ORD

28h 36m3 stops

$520Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

3:55 pm - 9:21 pm

ORD

YXU

4h 26m1 stop

5:40 pm - 10:05 pm

YXU

ORD

5h 25m1 stop

$620Multiple Airlines

Wed, Jan 28 - Wed, Feb 4

3:55 pm - 9:21 pm

ORD

YXU

4h 26m1 stop

9:50 am - 3:10 pm

YXU

ORD

6h 20m1 stop

$622Air Canada

Thu, Jan 22 - Mon, Jan 26

11:15 am - 5:05 pm

ORD

YXU

4h 50m1 stop

5:10 am - 11:06 am

YXU

ORD

6h 56m2 stops

$629Multiple Airlines

Tue, Feb 10 - Fri, Feb 20

3:55 pm - 9:21 pm

ORD

YXU

4h 26m1 stop

5:10 am - 2:55 pm

YXU

ORD

10h 45m2 stops

$631Air Canada

Thu, Jan 22 - Mon, Jan 26

7:15 am - 5:05 pm

ORD

YXU

8h 50m2 stops

5:10 am - 11:06 am

YXU

ORD

6h 56m2 stops

$639Air Canada

Thu, Jan 22 - Mon, Jan 26

5:15 am - 6:34 am

ORD

YXU

24h 19m3 stops

8:10 pm - 12:30 pm

YXU

ORD

17h 20m2 stops

$661Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

United Airlines flights from Illinois to London, Ontario

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

United Airlines

Jan 28

ORD10:52 amChicago O'Hare Intl

9h 29m

2 stops

YXU9:21 pmLondon

Feb 4

YXU5:10 amLondon

9h 05m

2 stops

ORD1:15 pmChicago O'Hare Intl

$722

Find similar

United Airlines

Dec 29

ORD1:24 pmChicago O'Hare Intl

6h 57m

2 stops

YXU9:21 pmLondon

Jan 3

YXU5:10 amLondon

10h 05m

2 stops

ORD2:15 pmChicago O'Hare Intl

$933

Find similar

United Airlines

Dec 29

ORD1:24 pmChicago O'Hare Intl

6h 57m

2 stops

YXU9:21 pmLondon

Jan 3

YXU5:10 amLondon

10h 05m

2 stops

ORD2:15 pmChicago O'Hare Intl

$988

Find similar

Air Canada flights from Illinois to London, Ontario

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

Air Canada

Jan 22

ORD3:55 pmChicago O'Hare Intl

4h 26m

1 stop

YXU9:21 pmLondon

Jan 26

YXU9:50 amLondon

6h 20m

1 stop

ORD3:10 pmChicago O'Hare Intl

$622

Find similar

Air Canada

Jan 22

ORD3:55 pmChicago O'Hare Intl

4h 26m

1 stop

YXU9:21 pmLondon

Jan 26

YXU5:10 amLondon

10h 45m

2 stops

ORD2:55 pmChicago O'Hare Intl

$631

Find similar

Air Canada

Jan 22

ORD7:15 amChicago O'Hare Intl

8h 50m

2 stops

YXU5:05 pmLondon

Jan 26

YXU5:10 amLondon

6h 56m

2 stops

ORD11:06 amChicago O'Hare Intl

$639

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 1/29

9:00 am-6:34 am

2 stops20h 34m

London

Thu 2/5

8:10 pm-1:35 pm

1 stop18h 25m

$449

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 1/29

5:15 am-6:34 am

3 stops24h 19m

London

Thu 2/5

8:10 pm-1:35 pm

1 stop18h 25m

$494

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 1/28

6:05 am-6:34 am

3 stops23h 29m

London

Wed 2/4

8:10 pm-9:03 pm

3 stops25h 53m

$503

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 1/29

5:15 am-6:34 am

3 stops24h 19m

London

Thu 2/5

8:10 pm-11:46 pm

3 stops28h 36m

$520

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 1/28

3:55 pm-9:21 pm

1 stop4h 26m

London

Wed 2/4

5:40 pm-10:05 pm

1 stop5h 25m

$620

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 1/22

3:55 pm-9:21 pm

1 stop4h 26m

London

Mon 1/26

9:50 am-3:10 pm

1 stop6h 20m

$622

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Tue 2/10

11:15 am-5:05 pm

1 stop4h 50m

London

Fri 2/20

5:10 am-11:06 am

2 stops6h 56m

$629

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 1/22

3:55 pm-9:21 pm

1 stop4h 26m

London

Mon 1/26

5:10 am-2:55 pm

2 stops10h 45m

$631

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 1/22

7:15 am-5:05 pm

2 stops8h 50m

London

Mon 1/26

5:10 am-11:06 am

2 stops6h 56m

$639

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 1/29

5:15 am-6:34 am

3 stops24h 19m

London

Thu 2/5

8:10 pm-12:30 pm

2 stops17h 20m

$661

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois 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

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to London, Ontario?

According to our data, Thursday is the cheapest day to fly to London, Ontario from Illinois. The lowest ticket price found for a Thursday departure recently was $316. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London, Ontario on Tuesday is $780.

What is the cheapest time of day to depart on your flight to London, Ontario?

In the morning is the cheapest time of day to fly from Illinois to London, Ontario when you can find flight prices for as low as $587. Flying to London, Ontario in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to London, Ontario, so prices are often more expensive at around $764 per ticket.

Can stopping save me money on Illinois to London, Ontario flights?

You could potentially save up to 54% on your flight if you consider stops on a Illinois to London, Ontario flight.

Cheap Illinois to London, Ontario flight deals and tips

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

Fastest flight time	4h 03m
Direct flights	None

The fastest flight from Illinois to London, Ontario takes 4h 03m

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

Search flight deals

When did momondo last update prices for flights from Illinois to London Airport?
Prices for flights from Illinois to London Airport refresh daily.
How old do you have to be to fly from Illinois to London Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents you'll need for your trip to London Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Grand Bend

Port Stanley

Why use momondo?

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

It is quick and easy to find Illinois to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

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

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

momondo provides multiple filters to help you find the best flight to London from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to London from Illinois 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.