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

What airlines fly to London, Ontario?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to London, Ontario from Illinois according to our data. Air Canada is the first choice among our users, with 39% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 3 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 28m and 4h 20m, respectively.

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.

$137 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.

5:30 pm - 5:12 amORD-YXU

10h 42m1 stop

5:45 am - 1:03 amYXU-ORD

20h 18m2 stops

$416Multiple Airlines

Find Deal

Thu, Oct 23 - Wed, Oct 29

10:00 am - 7:12 pmORD-YXU

32h 12m2 stops

8:10 pm - 1:35 pmYXU-ORD

18h 25m1 stop

$444Multiple Airlines

Find Deal

Thu, Nov 20 - Thu, Nov 27

5:30 pm - 9:17 amORD-YXU

14h 47m2 stops

9:25 am - 1:03 amYXU-ORD

16h 38m3 stops

$468Multiple Airlines

Find Deal

Thu, Oct 23 - Wed, Oct 29

5:30 pm - 5:12 amORD-YXU

10h 42m1 stop

9:25 am - 1:01 pmYXU-ORD

4h 36m1 stop

$475Multiple Airlines

Find Deal

Thu, Oct 23 - Wed, Oct 29

5:30 pm - 5:12 amORD-YXU

10h 42m1 stop

9:25 am - 3:10 pmYXU-ORD

6h 45m1 stop

$486Multiple Airlines

Find Deal

Thu, Oct 23 - Wed, Oct 29

6:06 pm - 7:12 pmORD-YXU

24h 06m3 stops

8:10 pm - 1:35 pmYXU-ORD

18h 25m1 stop

$489Multiple Airlines

Find Deal

Thu, Nov 20 - Thu, Nov 27

3:55 pm - 9:21 pmORD-YXU

4h 26m1 stop

5:15 am - 9:13 amYXU-ORD

4h 58m1 stop

$600Air Canada

Find Deal

Wed, Nov 19 - Wed, Nov 26

2:00 pm - 9:21 pmORD-YXU

6h 21m1 stop

9:25 am - 1:01 pmYXU-ORD

4h 36m1 stop

$622Air Canada

Find Deal

Thu, Nov 20 - Thu, Nov 27

11:02 am - 9:21 pmORD-YXU

9h 19m2 stops

9:25 am - 5:05 pmYXU-ORD

8h 40m2 stops

$700United Airlines

Find Deal

Wed, Nov 19 - Wed, Nov 26

5:30 pm - 5:12 amORD-YXU

10h 42m1 stop

6:00 am - 4:43 pmYXU-ORD

11h 43m1 stop

$805WestJet

Find Deal

Fri, Oct 17 - Sun, Oct 19

Air Canada flights from Illinois to London, Ontario

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

Air Canada

Nov 19

ORD3:55 pmChicago O'Hare Intl

4h 26m

1 stop

YXU9:21 pmLondon

Nov 26

YXU5:15 amLondon

4h 58m

1 stop

ORD9:13 amChicago O'Hare Intl

$600

Find similar

Air Canada

Nov 20

ORD2:00 pmChicago O'Hare Intl

6h 21m

1 stop

YXU9:21 pmLondon

Nov 27

YXU9:25 amLondon

4h 36m

1 stop

ORD1:01 pmChicago O'Hare Intl

$622

Find similar

Air Canada

Nov 19

ORD10:00 amChicago O'Hare Intl

6h 05m

1 stop

YXU5:05 pmLondon

Nov 26

YXU5:15 amLondon

8h 36m

2 stops

ORD12:51 pmChicago O'Hare Intl

$681

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 10/23

5:30 pm-5:12 am

1 stop10h 42m

London

Wed 10/29

5:45 am-1:03 am

2 stops20h 18m

$416

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 11/20

10:00 am-7:12 pm

2 stops32h 12m

London

Thu 11/27

8:10 pm-1:35 pm

1 stop18h 25m

$444

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 10/23

5:30 pm-9:17 am

2 stops14h 47m

London

Wed 10/29

9:25 am-1:03 am

3 stops16h 38m

$468

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 10/23

5:30 pm-5:12 am

1 stop10h 42m

London

Wed 10/29

9:25 am-1:01 pm

1 stop4h 36m

$475

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 10/23

5:30 pm-5:12 am

1 stop10h 42m

London

Wed 10/29

9:25 am-3:10 pm

1 stop6h 45m

$486

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 11/20

6:06 pm-7:12 pm

3 stops24h 06m

London

Thu 11/27

8:10 pm-1:35 pm

1 stop18h 25m

$489

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 11/19

3:55 pm-9:21 pm

1 stop4h 26m

London

Wed 11/26

5:15 am-9:13 am

1 stop4h 58m

$600

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 11/20

2:00 pm-9:21 pm

1 stop6h 21m

London

Thu 11/27

9:25 am-1:01 pm

1 stop4h 36m

$622

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 11/19

11:02 am-9:21 pm

2 stops9h 19m

London

Wed 11/26

9:25 am-5:05 pm

2 stops8h 40m

$700

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 10/17

5:30 pm-5:12 am

1 stop10h 42m

London

Sun 10/19

6:00 am-4:43 pm

1 stop11h 43m

$805

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 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

Direct flights	None

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.