$260 Find Cheap Flights from London to Illinois - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Illinois departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap London to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Illinois

Mon, Aug 24 - Mon, Aug 31
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
WestJet Logo
5:30 pm - 7:50 pm
ORD
-
YXU
25h 20m
1 stop
$434WestJet
Mon, Aug 24 - Mon, Aug 31
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
WestJet Logo
5:30 pm - 7:50 pm
ORD
-
YXU
25h 20m
1 stop
$442WestJet
Mon, Aug 24 - Mon, Aug 31
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
WestJet Logo
5:30 pm - 1:50 pm
ORD
-
YXU
19h 20m
2 stops
$474WestJet
Mon, Aug 24 - Mon, Aug 31
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
WestJet Logo
5:30 pm - 1:50 pm
ORD
-
YXU
19h 20m
2 stops
$483WestJet
Fri, Aug 7 - Fri, Aug 14
WestJet Logo
8:40 pm - 4:40 pm
YXU
-
ORD
21h 00m
1 stop
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
$536WestJet
Tue, Oct 20 - Sat, Oct 24
Air Canada Logo
10:05 am - 2:55 pm
YXU
-
ORD
5h 50m
1 stop
Air Canada Logo
3:45 pm - 9:40 pm
ORD
-
YXU
4h 55m
1 stop
$537Air Canada
Sat, Jul 25 - Mon, Jul 27
Air Canada Logo
10:05 am - 1:22 pm
YXU
-
ORD
4h 17m
1 stop
Air Canada Logo
9:50 am - 2:52 pm
ORD
-
YXU
4h 02m
1 stop
$539Air Canada
Tue, Oct 20 - Sat, Oct 24
Air Canada Logo
5:40 am - 9:00 am
YXU
-
ORD
4h 20m
1 stop
Air Canada Logo
11:05 am - 9:40 pm
ORD
-
YXU
9h 35m
2 stops
$540Air Canada
Tue, Oct 20 - Sat, Oct 24
Air Canada Logo
5:40 am - 2:52 pm
YXU
-
ORD
10h 12m
2 stops
Air Canada Logo
11:05 am - 9:40 pm
ORD
-
YXU
9h 35m
2 stops
$543Air Canada
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
6:10 am - 2:35 pm
YXU
-
MDW
33h 25m
3 stops
Multiple Airlines Logo
3:15 pm - 4:45 pm
MDW
-
YXU
24h 30m
3 stops
$905Multiple Airlines
Booking Insights

KAYAK's insights & trends for London to Illinois flights

Get data-powered insights and trends into flights from London to Illinois to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from London to Illinois?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from London to Illinois were found on WestJet ($434) and Air Canada ($537).

Find deals

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from London to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from London to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from London to Illinois

Information on your arrival and departure airports

London (YXU)