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Cheap flights from Illinois to London from £155

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 18/9. 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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Sat 11/5

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Easily compare return flights from Illinois to London

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Illinois to London by changing tabs
Multiple Airlines
18 May
ORD19:07Chicago O'Hare Intl
32h 53m
1 stop
LGW10:00London Gatwick
4 Jun
LGW10:00London Gatwick
28h 29m
1 stop
ORD08:29Chicago O'Hare Intl
Scandinavian Airlines
23 Oct
ORD19:45Chicago O'Hare Intl
17h 45m
1 stop
LHR19:30London Heathrow
30 Oct
LHR09:55London Heathrow
14h 10m
1 stop
ORD19:05Chicago O'Hare Intl
TAP AIR PORTUGAL
22 Sept
ORD18:00Chicago O'Hare Intl
22h 55m
1 stop
LHR22:55London Heathrow
24 Sept
LHR19:50London Heathrow
26h 20m
1 stop
ORD16:10Chicago O'Hare Intl
Icelandair
1 Oct
ORD22:15Chicago O'Hare Intl
16h 05m
1 stop
LHR20:20London Heathrow
8 Oct
LHR13:05London Heathrow
11h 15m
1 stop
ORD18:20Chicago O'Hare Intl
ITA Airways
9 Oct
ORD15:00Chicago O'Hare Intl
14h 00m
1 stop
LCY11:00London City
23 Oct
LCY16:50London City
26h 20m
1 stop
ORD13:10Chicago O'Hare Intl
Delta
22 Sept
ORD07:30Chicago O'Hare Intl
20h 30m
1 stop
LGW10:00London Gatwick
2 Oct
LGW12:00London Gatwick
15h 00m
1 stop
ORD21:00Chicago O'Hare Intl

Find the cheapest one-way flights from Illinois to London

If you're looking for one-way flights from Illinois to London, view some of our deals below provided by Icelandair, TAP AIR PORTUGAL and United Airlines
Multiple Airlines
18 Sept
MDW20:13Chicago Midway
28h 47m
1 stop
LGW07:00London Gatwick
Icelandair
8 Oct
ORD19:30Chicago O'Hare Intl
18h 50m
1 stop
LHR20:20London Heathrow
TAP AIR PORTUGAL
30 Sept
ORD18:00Chicago O'Hare Intl
12h 45m
1 stop
LHR12:45London Heathrow

Search last-minute flights to London from Illinois

Find and compare return flight prices for your last-minute flight from Illinois to London
ITA Airways
29 Apr
ORD15:00Chicago O'Hare Intl
14h 00m
1 stop
LCY11:00London City
6 May
LCY16:50London City
26h 20m
1 stop
ORD13:10Chicago O'Hare Intl
SWISS
1 May
ORD19:15Chicago O'Hare Intl
11h 45m
1 stop
LHR13:00London Heathrow
10 May
LHR08:40London Heathrow
13h 25m
1 stop
ORD16:05Chicago O'Hare Intl
Scandinavian Airlines
3 May
ORD19:45Chicago O'Hare Intl
14h 15m
1 stop
LHR16:00London Heathrow
6 May
LHR06:40London Heathrow
17h 15m
1 stop
ORD17:55Chicago O'Hare Intl
American Airlines
1 May
ORD08:20Chicago O'Hare Intl
7h 50m
LHR22:10London Heathrow
8 May
LHR06:10London Heathrow
13h 35m
1 stop
ORD13:45Chicago O'Hare Intl
United Airlines
1 May
ORD18:20Chicago O'Hare Intl
8h 10m
LHR08:30London Heathrow
6 May
LHR13:45London Heathrow
32h 20m
1 stop
ORD16:05Chicago O'Hare Intl
Multiple Airlines
8 May
ORD11:14Chicago O'Hare Intl
13h 06m
1 stop
LGW06:20London Gatwick
15 May
LGW20:50London Gatwick
42h 05m
2 stops
ORD08:55Chicago O'Hare Intl

Best airlines flying from Illinois to London

Compare and see reviews for airlines that fly from Illinois to London with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom £352Free CancellationRating
7.4
1,429 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom £386Free CancellationRating
7.0
7,738 reviews
Search Lufthansa flights
United AirlinesPriceFrom £408Free CancellationRating
7.4
11,221 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom £411Free CancellationRating
7.7
745 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £476Free CancellationRating
7.2
1,348 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £491Free CancellationRating
6.8
6,896 reviews
Search British Airways flights
IberiaPriceFrom £502Free CancellationRating
7.1
2,760 reviews
Search Iberia flights
TAP AIR PORTUGALPriceFrom £538Free CancellationRating
7.1
2,179 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom £547Free CancellationRating
7.3
14,844 reviews
Search American Airlines flights
FinnairPriceFrom £631Free CancellationRating
7.7
1,380 reviews
Search Finnair flights

Iberia flights from Illinois to London

Our best Iberia deals on Illinois to London flight tickets
Iberia
9 Oct
ORD08:20Chicago O'Hare Intl
7h 50m
LHR22:10London Heathrow
23 Oct
LHR06:10London Heathrow
13h 35m
1 stop
ORD13:45Chicago O'Hare Intl
Iberia
23 Oct
ORD16:45Chicago O'Hare Intl
7h 50m
LHR06:35London Heathrow
6 Nov
LHR06:20London Heathrow
14h 05m
1 stop
ORD14:25Chicago O'Hare Intl
Iberia
19 Sept
ORD08:20Chicago O'Hare Intl
7h 50m
LHR22:10London Heathrow
25 Sept
LHR06:10London Heathrow
13h 35m
1 stop
ORD13:45Chicago O'Hare Intl

British Airways flights from Illinois to London

Our best British Airways deals on Illinois to London flight tickets
British Airways
25 Sept
ORD21:25Chicago O'Hare Intl
7h 50m
LHR11:15London Heathrow
30 Sept
LHR19:15London Heathrow
22h 30m
1 stop
ORD11:45Chicago O'Hare Intl
British Airways
1 May
ORD22:35Chicago O'Hare Intl
7h 40m
LHR12:15London Heathrow
20 May
LHR19:10London Heathrow
25h 20m
1 stop
ORD14:30Chicago O'Hare Intl
British Airways
11 Oct
ORD16:45Chicago O'Hare Intl
7h 50m
LHR06:35London Heathrow
17 Oct
LHR13:10London Heathrow
8h 40m
ORD15:50Chicago O'Hare Intl

How to get the cheapest flight ticket from Illinois to London

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 airline that flies to London from Illinois?

Scandinavian Airlines. Aer Lingus, British Airways, and Iberia are the most popular carriers operating from Illinois to London

What is the cheapest Illinois to London flight route?

Chicago O'Hare Intl - London Gatwick. Fly from Chicago O'Hare Intl to London Gatwick for the best Illinois - London flight prices

Can stopping save me money on Illinois to London flights?

You could potentially save up to 18% on your flight if you consider stops on a Illinois to London flight.

Cheap Illinois to London flight deals and tips

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

Best price found

£155

Fastest flight time

7h 50m

Direct flights

Every day

Airports in London

4 airports
The best one-way flight to London from Illinois in the past 72 hours is £155. The best return flight deal from Illinois to London found on momondo in the last 72 hours is £370.
The fastest flight from Illinois to London takes 7h 50m
Direct flights go from Illinois to London every day.
There are 4 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Gatwick (LGW)

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

    Prices for flights from Illinois to London refresh daily.

  • How many operators does momondo search for flights from Illinois to London?

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

    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.

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

    The travel and health documents required for your trip to London 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

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

It is quick and easy to find Illinois to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits 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?

Once you have performed a search for Illinois to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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Find better results for your stay in the United Kingdom

Fly into one of these airports located in London
Airports listed have a maximum distance of 35.6 mi from London