$255 Find Cheap Flights from London to Illinois

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 5/14. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Illinois, as well as popular online travel agencies
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Booking Insights
Flight Deals

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

Sat, May 9 - Tue, May 12
Air Canada Logo
9:30 am - 1:25 pm
YXU
-
ORD
4h 55m
1 stop
Air Canada Logo
2:15 pm - 9:38 pm
ORD
-
YXU
6h 23m
1 stop
$466Air Canada
Sat, May 2 - Tue, May 5
Air Canada Logo
9:30 am - 2:55 pm
YXU
-
ORD
6h 25m
1 stop
Air Canada Logo
3:50 pm - 9:38 pm
ORD
-
YXU
4h 48m
1 stop
$467Air Canada
Sat, May 9 - Tue, May 12
Air Canada Logo
9:30 am - 2:55 pm
YXU
-
ORD
6h 25m
1 stop
Air Canada Logo
8:45 am - 5:33 pm
ORD
-
YXU
7h 48m
2 stops
$469Air Canada
Sat, May 2 - Tue, May 5
Air Canada Logo
5:10 am - 9:05 am
YXU
-
ORD
4h 55m
1 stop
Air Canada Logo
8:45 am - 5:33 pm
ORD
-
YXU
7h 48m
2 stops
$470Air Canada
Sat, May 2 - Tue, May 5
Air Canada Logo
5:10 am - 9:05 am
YXU
-
ORD
4h 55m
1 stop
Air Canada Logo
8:45 am - 5:33 pm
ORD
-
YXU
7h 48m
2 stops
$471Air Canada
Sat, May 9 - Tue, May 12
Air Canada Logo
5:10 am - 2:53 pm
YXU
-
ORD
10h 43m
2 stops
Air Canada Logo
8:45 am - 9:38 pm
ORD
-
YXU
11h 53m
2 stops
$472Air Canada
Fri, May 1 - Mon, May 4
United Airlines Logo
12:20 pm - 9:42 pm
YXU
-
ORD
10h 22m
2 stops
United Airlines Logo
3:50 pm - 9:38 pm
ORD
-
YXU
4h 48m
1 stop
$532United Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
6:10 am - 9:45 am
YXU
-
MDW
28h 35m
3 stops
Multiple Airlines Logo
10:30 am - 5:20 am
MDW
-
YXU
17h 50m
3 stops
$1,090Multiple Airlines
Tue, May 12 - Tue, May 19
WestJet Logo
6:10 am - 6:33 pm
YXU
-
MDW
13h 23m
2 stops
WestJet Logo
6:23 am - 5:20 am
MDW
-
YXU
21h 57m
2 stops
$1,521WestJet
Thu, Apr 30 - Mon, May 4
WestJet Logo
6:10 am - 8:47 am
YXU
-
MDW
27h 37m
2 stops
WestJet Logo
9:29 am - 5:20 am
MDW
-
YXU
18h 51m
2 stops
$1,541WestJet
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 72 hours.

In the past 3 days, the cheapest round-trip tickets from London to Illinois were found on Air Canada ($466) and WestJet ($1,521).

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)