YXU

$241 Find Cheap Flights from Illinois to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to London departing on 4/16. 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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Flight Deals

Cheap Flights from Illinois to London

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to London 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 Illinois to London

Mon, May 25 - Thu, May 28
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
$306WestJet
Mon, May 25 - Thu, May 28
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
$325WestJet
Sat, May 23 - Tue, May 26
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
$434WestJet
Mon, Apr 20 - Mon, Apr 27
WestJet Logo
2:20 pm - 6:35 am
ORD
-
YXU
15h 15m
1 stop
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
$439WestJet
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
7:56 pm - 6:35 am
ORD
-
YXU
33h 39m
2 stops
Multiple Airlines Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
$445Multiple Airlines
Sat, May 2 - Sun, May 10
Multiple Airlines Logo
7:21 pm - 5:20 am
ORD
-
YXU
32h 59m
2 stops
Multiple Airlines Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
$449Multiple Airlines
Sat, May 23 - Tue, May 26
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
$452WestJet
Sat, May 23 - Tue, May 26
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
6:10 am - 4:40 pm
YXU
-
ORD
11h 30m
1 stop
$461WestJet
Sat, Apr 18 - Sat, Apr 25
Air Canada Logo
2:00 pm - 9:19 pm
ORD
-
YXU
6h 19m
1 stop
Air Canada Logo
5:10 am - 2:55 pm
YXU
-
ORD
10h 45m
2 stops
$464Air Canada
Sat, Apr 18 - Sat, Apr 25
Air Canada Logo
9:50 am - 5:04 pm
ORD
-
YXU
6h 14m
1 stop
Air Canada Logo
9:25 am - 1:05 pm
YXU
-
ORD
4h 40m
1 stop
$465Air Canada
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Good to know

Cheapest flight$241
Flight from Chicago to London

FAQs for booking flights from Illinois to London

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

    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 Illinois to London.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from 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 Illinois to London?

    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 to London with an airline and back to Illinois with another airline.

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

    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 to London from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Everything you need to know for your flight to London

Information on the airport you'll fly into in London

London (YXU)