YXU

$251 Find Cheap Flights from Illinois to London - 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 to London departing on 9/11. 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

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Useful Info
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

Fri, Aug 21 - Fri, Aug 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
$457WestJet
Fri, Aug 21 - Fri, Aug 28
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
5:55 pm - 4:40 pm
YXU
-
ORD
23h 45m
1 stop
$477WestJet
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
Multiple Airlines Logo
10:05 am - 1:23 pm
YXU
-
ORD
4h 18m
1 stop
$545Multiple Airlines
Fri, Aug 21 - Fri, Aug 28
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
2:40 pm - 4:40 pm
YXU
-
ORD
27h 00m
2 stops
$548WestJet
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
Multiple Airlines Logo
5:40 am - 2:52 pm
YXU
-
ORD
10h 12m
2 stops
$561Multiple Airlines
Mon, Aug 31 - Sun, Sep 6
Multiple Airlines Logo
5:30 pm - 4:45 pm
ORD
-
YXU
22h 15m
1 stop
Multiple Airlines Logo
6:10 am - 5:59 am
YXU
-
ORD
24h 49m
2 stops
$570Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
5:30 pm - 9:19 am
ORD
-
YXU
14h 49m
2 stops
Multiple Airlines Logo
10:05 am - 8:12 pm
YXU
-
ORD
11h 07m
2 stops
$571Multiple Airlines
Fri, Aug 21 - Fri, Aug 28
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
2:40 pm - 4:40 pm
YXU
-
ORD
27h 00m
2 stops
$581WestJet
Fri, Sep 11 - Mon, Sep 14
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
$590WestJet
Fri, Sep 11 - Sun, Sep 13
WestJet Logo
5:30 pm - 5:20 am
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
5:55 pm - 4:40 pm
YXU
-
ORD
23h 45m
1 stop
$591WestJet
Useful Info

Good to know

Cheapest flight

$251
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
Grand Bend

Everything you need to know for your flight to London

Information on the airport you'll fly into in London

London (YXU)