Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Illinois to London, Ontario from C$ 554

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to London, Ontario departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your results
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Illinois to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to London.

Cheap last-minute flights

Planning a quick getaway from Illinois to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Illinois to London

Find recent round-trip train or bus tickets from Illinois to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
4:45 p.m. - 7:13 p.m.ORD-YXU
25h 28m1 stop
8:00 p.m. - 3:56 p.m.YXU-ORD
20h 56m1 stop
C$ 855WestJet
Find Deal
Mon, 14 Apr - Sun, 20 Apr
6:35 a.m. - 7:12 p.m.ORD-YXU
35h 37m3 stops
8:00 p.m. - 5:30 a.m.YXU-ORD
34h 30m3 stops
C$ 1,017
Find Deal
Thu, 5 Dec - Mon, 9 Dec
9:50 a.m. - 2:50 p.m.ORD-YXU
4h 00m1 stop
3:25 p.m. - 7:37 p.m.YXU-ORD
5h 12m1 stop
C$ 1,038Air Canada
Find Deal
Thu, 2 Jan - Thu, 9 Jan
7:00 a.m. - 9:15 a.m.STL-YXU
25h 15m2 stops
3:25 p.m. - 6:09 p.m.YXU-STL
27h 44m2 stops
C$ 1,058United Airlines
Find Deal
Mon, 13 Jan - Tue, 21 Jan
6:33 p.m. - 7:12 p.m.ORD-YXU
23h 39m2 stops
8:00 p.m. - 5:30 a.m.YXU-ORD
34h 30m3 stops
C$ 1,064
Find Deal
Thu, 5 Dec - Mon, 9 Dec
9:36 p.m. - 8:20 p.m.ORD-YXU
21h 44m2 stops
9:55 a.m. - 10:53 p.m.YXU-ORD
13h 58m2 stops
C$ 1,068United Airlines
Find Deal
Thu, 5 Dec - Mon, 9 Dec
6:06 p.m. - 3:35 p.m.ORD-YXU
20h 29m2 stops
8:00 p.m. - 12:40 a.m.YXU-ORD
29h 40m2 stops
C$ 1,072
Find Deal
Fri, 10 Jan - Sun, 12 Jan
4:45 p.m. - 7:13 p.m.ORD-YXU
25h 28m1 stop
8:00 p.m. - 6:06 p.m.YXU-ORD
23h 06m3 stops
C$ 1,079
Find Deal
Mon, 14 Apr - Sun, 20 Apr
8:00 a.m. - 8:20 p.m.STL-YXU
11h 20m2 stops
9:55 a.m. - 3:06 p.m.YXU-STL
6h 11m1 stop
C$ 1,113Air Canada
Find Deal
Wed, 1 Jan - Wed, 8 Jan
10:35 a.m. - 8:20 p.m.STL-YXU
8h 45m2 stops
5:45 a.m. - 3:38 p.m.YXU-STL
10h 53m2 stops
C$ 1,134Air Canada
Find Deal
Wed, 1 Jan - Wed, 8 Jan
9:50 a.m. - 2:50 p.m.ORD-YXU
4h 00m1 stop
C$ 554Air Canada
Find Deal
Thu, 2 Jan
7:20 a.m. - 8:20 p.m.ORD-YXU
12h 00m2 stops
C$ 580Air Canada
Find Deal
Thu, 2 Jan
6:10 p.m. - 9:20 a.m.ORD-YXU
14h 10m2 stops
3:25 p.m. - 7:32 p.m.YXU-ORD
5h 07m1 stop
C$ 1,482Air Canada
Find Deal
Thu, 21 Nov - Sat, 23 Nov
6:10 p.m. - 9:20 a.m.ORD-YXU
14h 10m2 stops
5:45 a.m. - 12:58 p.m.YXU-ORD
8h 13m2 stops
C$ 1,489Air Canada
Find Deal
Thu, 21 Nov - Sat, 23 Nov
9:50 a.m. - 2:50 p.m.ORD-YXU
4h 00m1 stop
9:55 a.m. - 2:51 p.m.YXU-ORD
5h 56m1 stop
C$ 1,575Air Canada
Find Deal
Tue, 19 Nov - Wed, 20 Nov
9:50 a.m. - 2:50 p.m.ORD-YXU
4h 00m1 stop
9:55 a.m. - 6:36 p.m.YXU-ORD
9h 41m2 stops
C$ 1,582
Find Deal
Tue, 19 Nov - Wed, 20 Nov
7:10 a.m. - 8:20 p.m.ORD-YXU
12h 10m2 stops
9:55 a.m. - 6:36 p.m.YXU-ORD
9h 41m2 stops
C$ 1,596
Find Deal
Tue, 19 Nov - Wed, 20 Nov
9:50 a.m. - 2:50 p.m.ORD-YXU
4h 00m1 stop
5:45 a.m. - 8:57 a.m.YXU-ORD
4h 12m1 stop
C$ 1,957
Find Deal
Thu, 21 Nov - Sat, 23 Nov
9:08 p.m. - 7:12 p.m.ORD-YXU
21h 04m2 stops
3:25 p.m. - 5:55 p.m.YXU-ORD
27h 30m3 stops
C$ 4,842
Find Deal
Thu, 21 Nov - Sat, 23 Nov
8:27 p.m. - 7:12 p.m.ORD-YXU
21h 45m3 stops
3:25 p.m. - 5:55 p.m.YXU-ORD
27h 30m3 stops
C$ 4,908
Find Deal
Thu, 21 Nov - Sat, 23 Nov

United Airlines flights from Illinois to London, Ontario

Our best United Airlines deals on Illinois to London, Ontario flight tickets
United Airlines
13 Jan
STL7:00 a.m.Lambert-St Louis
25h 15m
2 stops
YXU9:15 a.m.London
21 Jan
YXU3:25 p.m.London
27h 44m
2 stops
STL6:09 p.m.Lambert-St Louis
C$ 1,058
Find similar
United Airlines
5 Dec
ORD9:36 p.m.Chicago O'Hare Intl
21h 44m
2 stops
YXU8:20 p.m.London
9 Dec
YXU9:55 a.m.London
13h 58m
2 stops
ORD10:53 p.m.Chicago O'Hare Intl
C$ 1,068
Find similar
United Airlines
5 Dec
ORD9:36 p.m.Chicago O'Hare Intl
21h 44m
2 stops
YXU8:20 p.m.London
9 Dec
YXU5:45 a.m.London
5h 20m
1 stop
ORD10:05 a.m.Chicago O'Hare Intl
C$ 1,137
Find similar

Air Canada flights from Illinois to London, Ontario

Our best Air Canada deals on Illinois to London, Ontario flight tickets
Air Canada
2 Jan
ORD9:50 a.m.Chicago O'Hare Intl
4h 00m
1 stop
YXU2:50 p.m.London
9 Jan
YXU3:25 p.m.London
5h 12m
1 stop
ORD7:37 p.m.Chicago O'Hare Intl
C$ 1,038
Find similar
Air Canada
1 Jan
STL8:00 a.m.Lambert-St Louis
11h 20m
2 stops
YXU8:20 p.m.London
8 Jan
YXU9:55 a.m.London
6h 11m
1 stop
STL3:06 p.m.Lambert-St Louis
C$ 1,113
Find similar
Air Canada
1 Jan
STL10:35 a.m.Lambert-St Louis
8h 45m
2 stops
YXU8:20 p.m.London
8 Jan
YXU5:45 a.m.London
10h 53m
2 stops
STL3:38 p.m.Lambert-St Louis
C$ 1,134
Find similar

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

What is the cheapest Illinois to London, Ontario flight route?

Chicago O'Hare Intl - London. Fly from Chicago O'Hare Intl to London for the best Illinois - London, Ontario flight prices

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

Best price found

C$ 554

Fastest flight time

4h 00m

Direct flights

None

Airports in London, Ontario

1 airport
The best one-way flight to London, Ontario from Illinois in the past 72 hours is C$ 554. The best round-trip flight deal from Illinois to London, Ontario found on momondo in the last 72 hours is C$ 855.
The fastest flight from Illinois to London, Ontario takes 4h 00m
There are no direct flights from Illinois to London, Ontario. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - London Airport and Lambert-St Louis Airport - London Airport.
There is 1 airport near London, Ontario: London (YXU)

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

    Prices for flights from Illinois to London Airport are refreshed on a daily basis.

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

    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 Illinois to London Airport.

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

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


Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to London. momondo saves you time and could save you money on your trip.

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

Flights from Illinois to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to London.

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.


An easier way to manage your London, Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sat 23/11
Sat 30/11
Email me momondo's favourite deals

Find better results for your trip to Canada