Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Illinois to London from £149

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 departing on 30/7. 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
0 bags
Voted winner of Europe's Best Travel App 2023

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? Stopover? Instantly customise 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 return flights

 Logo
15:45 - 08:20ORD-LGW
10h 35m1 stop
 Logo
18:50 - 14:00LGW-ORD
25h 10m1 stop
Mon, 11 Aug - Mon, 18 Aug
 Logo
19:39 - 10:00ORD-LGW
32h 21m1 stop
 Logo
14:00 - 18:43LGW-ORD
34h 43m1 stop
Sun, 7 Sep - Wed, 10 Sep
Delta Logo
10:35 - 10:00ORD-LGW
17h 25m1 stop
Delta Logo
12:00 - 21:34LGW-ORD
15h 34m1 stop
£424Delta
Find Deal
Tue, 19 Aug - Thu, 4 Sep
American Airlines Logo
07:00 - 06:35ORD-LGW
17h 35m1 stop
American Airlines Logo
12:20 - 21:00LGW-ORD
14h 40m1 stop
£425American Airlines
Find Deal
Mon, 11 Aug - Wed, 20 Aug
American Airlines Logo
11:45 - 06:35ORD-LGW
12h 50m1 stop
American Airlines Logo
12:20 - 22:59LGW-ORD
16h 39m2 stops
£428American Airlines
Find Deal
Mon, 11 Aug - Wed, 20 Aug
Iberia Logo
16:30 - 10:55ORD-LGW
12h 25m1 stop
Iberia Logo
20:40 - 14:15LGW-ORD
23h 35m1 stop
£435Iberia
Find Deal
Mon, 18 Aug - Thu, 28 Aug
Icelandair Logo
19:25 - 14:40ORD-LGW
13h 15m1 stop
Icelandair Logo
15:40 - 18:15LGW-ORD
32h 35m1 stop
£436Icelandair
Find Deal
Thu, 2 Oct - Tue, 7 Oct
Icelandair Logo
19:25 - 14:40ORD-LGW
13h 15m1 stop
Icelandair Logo
15:40 - 18:15LGW-ORD
32h 35m1 stop
£437Icelandair
Find Deal
Tue, 23 Sep - Tue, 30 Sep
Delta Logo
10:37 - 10:00ORD-LGW
17h 23m1 stop
Delta Logo
12:00 - 21:34LGW-ORD
15h 34m1 stop
£447Delta
Find Deal
Mon, 4 Aug - Thu, 14 Aug
Iberia Logo
16:30 - 10:55ORD-LGW
12h 25m1 stop
Iberia Logo
20:40 - 14:15LGW-ORD
23h 35m1 stop
£473Iberia
Find Deal
Fri, 22 Aug - Mon, 1 Sep

Icelandair flights from Illinois to London Gatwick Airport

Our best Icelandair deals on Illinois to London Gatwick Airport flight tickets
Icelandair
2 Oct
ORD19:25Chicago O'Hare Intl
13h 15m
1 stop
LGW14:40London Gatwick
7 Oct
LGW15:40London Gatwick
32h 35m
1 stop
ORD18:15Chicago O'Hare Intl
Icelandair
23 Sept
ORD19:25Chicago O'Hare Intl
13h 15m
1 stop
LGW14:40London Gatwick
30 Sept
LGW15:40London Gatwick
32h 35m
1 stop
ORD18:15Chicago O'Hare Intl
Icelandair
3 Oct
ORD22:15Chicago O'Hare Intl
10h 25m
1 stop
LGW14:40London Gatwick
6 Oct
LGW15:40London Gatwick
32h 35m
1 stop
ORD18:15Chicago O'Hare Intl

Delta flights from Illinois to London Gatwick Airport

Our best Delta deals on Illinois to London Gatwick Airport flight tickets
Delta
19 Aug
ORD10:35Chicago O'Hare Intl
17h 25m
1 stop
LGW10:00London Gatwick
4 Sept
LGW12:00London Gatwick
15h 34m
1 stop
ORD21:34Chicago O'Hare Intl
Delta
4 Aug
ORD10:37Chicago O'Hare Intl
17h 23m
1 stop
LGW10:00London Gatwick
14 Aug
LGW12:00London Gatwick
15h 34m
1 stop
ORD21:34Chicago O'Hare Intl
Delta
28 Aug
STL13:30Lambert-St Louis
14h 30m
2 stops
LGW10:00London Gatwick
8 Sept
LGW12:00London Gatwick
17h 02m
2 stops
STL23:02Lambert-St Louis

See travel insights to London from

How to get the cheapest flight ticket from Illinois to London Gatwick Airport

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 month to fly to London Gatwick Airport?

The cheapest month to fly to London Gatwick Airport from Illinois is in February. Flight prices, which tend to average around £443, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in February, then you should wait until September to fly from Illinois, when ticket prices are also cheap, with an average price of £489.

What is the cheapest day to depart on your flight to London Gatwick Airport?

According to our data, Thursday is the cheapest day to fly to London Gatwick Airport from Illinois. The lowest ticket price found for a Thursday departure recently was £416. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Illinois to London Gatwick Airport on a Friday will generally be more expensive and average around £743. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Our data shows that the cheapest Illinois to London Gatwick Airport flights are usually those with departure times in the afternoon. Our users have found flights to London Gatwick Airport in the afternoon for as low as £439. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the morning when prices are around £640.

Cheap Illinois to London Gatwick Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to London Gatwick Airport

Best price found

£149

Fastest flight time

10h 20m

Direct flights

None
The best one-way flight to London Gatwick Airport from Illinois in the past 72 hours is £149. The best return flight deal from Illinois to London Gatwick Airport found on momondo in the last 72 hours is £384.
The fastest flight from Illinois to London Gatwick Airport takes 10h 20m
There are no direct flights from Illinois to London Gatwick Airport. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - London Gatwick Airport and Chicago Midway Airport - London Gatwick Airport.

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

    Prices for flights from Illinois to London Gatwick Airport refresh daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to London Gatwick Airport.

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

    The travel and health documents required for your trip to London Gatwick Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Gatwick Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Southend-on-Sea
Slough
Maidstone
Gatwick
Ipswich
Canterbury
Ilford
Margate
Dartford
Hounslow
Colchester
Guildford
Winchester
Worthing
Crawley
Croydon
Chichester

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to London for you.

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

All flight searches from Illinois to London on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Illinois and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Illinois to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organise 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
Wed 21/5
Wed 28/5

Find better results for your trip to London