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Cheap flights from Illinois to London from £146

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 9/8. 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
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Cheap return flights

These are some of the best return flight deals from Illinois to London that have been recently found on momondo from popular airlines, departing in the coming months.
Icelandair Logo
19:25 - 14:40ORD-LGW
13h 15m1 stop
Icelandair Logo
15:40 - 21:15LGW-ORD
11h 35m1 stop
£381Icelandair
Find Deal
mer., 24 sept. - dim., 5 oct.
Icelandair Logo
19:25 - 14:35ORD-LGW
13h 10m1 stop
Icelandair Logo
15:40 - 21:15LGW-ORD
11h 35m1 stop
£385Icelandair
Find Deal
lun., 8 sept. - jeu., 18 sept.
Delta Logo
13:31 - 10:00ORD-LGW
14h 29m1 stop
Delta Logo
12:00 - 21:34LGW-ORD
15h 34m1 stop
£430Delta
Find Deal
mar., 19 août - jeu., 4 sept.
TAP AIR PORTUGAL Logo
18:10 - 15:35ORD-LGW
15h 25m1 stop
TAP AIR PORTUGAL Logo
10:35 - 16:10LGW-ORD
35h 35m1 stop
£432TAP AIR PORTUGAL
Find Deal
lun., 22 sept. - mar., 21 oct.
American Airlines Logo
08:15 - 06:35ORD-LGW
16h 20m1 stop
American Airlines Logo
14:30 - 08:59LGW-ORD
24h 29m1 stop
£433American Airlines
Find Deal
dim., 11 mai - mar., 20 mai
American Airlines Logo
08:15 - 06:35ORD-LGW
16h 20m1 stop
American Airlines Logo
10:40 - 23:56LGW-ORD
19h 16m2 stops
£436American Airlines
Find Deal
dim., 11 mai - mar., 20 mai
 Logo
22:15 - 11:45ORD-LGW
31h 30m1 stop
 Logo
10:00 - 22:28LGW-ORD
18h 28m2 stops
jeu., 14 août - mar., 26 août
Delta Logo
13:30 - 10:00ORD-LGW
14h 30m1 stop
Delta Logo
12:00 - 21:34LGW-ORD
15h 34m1 stop
£448Delta
Find Deal
lun., 4 août - mer., 13 août
 Logo
11:35 - 06:35ORD-LGW
13h 00m1 stop
 Logo
14:30 - 08:59LGW-ORD
24h 29m1 stop
mer., 14 mai - mer., 21 mai
TAP AIR PORTUGAL Logo
18:10 - 15:35ORD-LGW
15h 25m1 stop
TAP AIR PORTUGAL Logo
21:15 - 16:10LGW-ORD
24h 55m2 stops
£468TAP AIR PORTUGAL
Find Deal
lun., 22 sept. - mar., 30 sept.

Icelandair flights from Illinois to London Gatwick Airport

Our best Icelandair deals on Illinois to London Gatwick Airport flight tickets
Icelandair
24 Sept
ORD19:25Chicago O'Hare Intl
13h 15m
1 stop
LGW14:40London Gatwick
5 Oct
LGW15:40London Gatwick
11h 35m
1 stop
ORD21:15Chicago O'Hare Intl
Icelandair
8 Sept
ORD19:25Chicago O'Hare Intl
13h 10m
1 stop
LGW14:35London Gatwick
18 Sept
LGW15:40London Gatwick
11h 35m
1 stop
ORD21:15Chicago O'Hare Intl
Icelandair
1 Sept
ORD19:25Chicago O'Hare Intl
10h 20m
1 stop
LGW11:45London Gatwick
17 Sept
LGW15:40London Gatwick
11h 35m
1 stop
ORD21:15Chicago O'Hare Intl

American Airlines flights from Illinois to London Gatwick Airport

Our best American Airlines deals on Illinois to London Gatwick Airport flight tickets
American Airlines
11 May
ORD08:15Chicago O'Hare Intl
16h 20m
1 stop
LGW06:35London Gatwick
20 May
LGW14:30London Gatwick
24h 29m
1 stop
ORD08:59Chicago O'Hare Intl
American Airlines
11 May
ORD08:15Chicago O'Hare Intl
16h 20m
1 stop
LGW06:35London Gatwick
20 May
LGW10:40London Gatwick
19h 16m
2 stops
ORD23:56Chicago O'Hare Intl
American Airlines
6 May
ORD13:29Chicago O'Hare Intl
12h 41m
2 stops
LGW08:10London Gatwick
13 May
LGW15:05London Gatwick
26h 04m
1 stop
ORD11:09Chicago O'Hare Intl

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 £441, 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 £486.

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 £414. 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 £739. 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 £436. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the morning when prices are around £636.

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

£146

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 £146. The best return flight deal from Illinois to London Gatwick Airport found on momondo in the last 72 hours is £381.
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, Lambert-St Louis 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
Slough
Southend-on-Sea
Maidstone
Gatwick
Ipswich
Canterbury
Margate
Ilford
Dartford
Hounslow
Colchester
Guildford
Worthing
Winchester
Crawley
Chichester
Croydon

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.


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