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Flights to Illinois

£367 Cheap flights to Illinois

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Illinois departing on 16/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Recent flights found to popular cities in Illinois

Find flights to these popular cities in Illinois from your nearest airport.
Multiple Airlines
16 Jan
LGW
32h 45m
2 stops
ORD
22 Jan
ORD
19h 00m
2 stops
LGW
TAP AIR PORTUGAL
24 Jan
LHR
15h 30m
1 stop
ORD
7 Feb
ORD
20h 20m
1 stop
LHR
TAP AIR PORTUGAL
23 Apr
LHR
16h 10m
1 stop
ORD
26 Apr
ORD
12h 45m
1 stop
LHR
TAP AIR PORTUGAL
21 Jan
LHR
27h 00m
1 stop
ORD
7 Feb
ORD
16h 35m
1 stop
LHR
TAP AIR PORTUGAL
12 Feb
LHR
15h 30m
1 stop
ORD
19 Feb
ORD
14h 15m
1 stop
LHR
TAP AIR PORTUGAL
16 Jan
LGW
29h 35m
1 stop
ORD
22 Jan
ORD
13h 50m
1 stop
LGW
TAP AIR PORTUGAL
16 Jan
LHR
25h 35m
1 stop
ORD
22 Jan
ORD
14h 15m
1 stop
LHR
Icelandair
31 Jan
LGW
11h 25m
1 stop
ORD
4 Feb
ORD
10h 25m
1 stop
LGW
Icelandair
13 Jan
LGW
11h 25m
1 stop
ORD
27 Jan
ORD
10h 25m
1 stop
LGW
Icelandair
13 Jan
LGW
11h 25m
1 stop
ORD
27 Jan
ORD
10h 25m
1 stop
LGW
Icelandair
12 Feb
LGW
11h 25m
1 stop
ORD
19 Feb
ORD
10h 25m
1 stop
LGW
Icelandair
17 Jan
LGW
11h 25m
1 stop
ORD
25 Jan
ORD
10h 25m
1 stop
LGW
Delta
17 Dec
LHR
20h 21m
2 stops
MLI
24 Dec
MLI
18h 22m
1 stop
LHR
Delta
17 Dec
LHR
18h 11m
1 stop
MLI
24 Dec
MLI
18h 22m
1 stop
LHR
Delta
17 Dec
LHR
22h 31m
2 stops
MLI
24 Dec
MLI
19h 17m
2 stops
LHR
United Airlines
23 Dec
LHR
12h 38m
1 stop
MLI
31 Dec
MLI
18h 15m
2 stops
LHR
Delta
23 Dec
LHR
19h 34m
2 stops
MLI
1 Jan
MLI
22h 37m
1 stop
LHR
KLM
17 Dec
LCY
19h 01m
2 stops
MLI
24 Dec
MLI
43h 36m
2 stops
LCY
Lufthansa
22 Dec
LHR
27h 28m
2 stops
MLI
1 Jan
MLI
13h 20m
2 stops
LHR
United Airlines
22 Dec
LHR
14h 58m
2 stops
MLI
30 Dec
MLI
13h 30m
1 stop
LHR
Finnair
22 Dec
LHR
13h 55m
1 stop
MLI
1 Jan
MLI
20h 00m
1 stop
LHR
United Airlines
21 Dec
LHR
13h 28m
1 stop
MLI
31 Dec
MLI
10h 10m
1 stop
LHR
Multiple Airlines
22 Dec
LHR
12h 20m
1 stop
MLI
31 Dec
MLI
19h 05m
1 stop
LHR
Multiple Airlines
22 Dec
LHR
12h 20m
1 stop
MLI
30 Dec
MLI
11h 53m
1 stop
LHR
British Airways
3 Jan
LHR
21h 06m
2 stops
CMI
10 Jan
CMI
11h 55m
1 stop
LHR
American Airlines
3 Jan
LHR
16h 31m
1 stop
CMI
10 Jan
CMI
16h 45m
1 stop
LHR
American Airlines
3 Jan
LHR
16h 31m
1 stop
CMI
10 Jan
CMI
12h 55m
2 stops
LHR
British Airways
19 Dec
LHR
16h 31m
1 stop
CMI
25 Dec
CMI
14h 48m
1 stop
LHR
American Airlines
19 Dec
LHR
15h 46m
2 stops
CMI
25 Dec
CMI
18h 32m
1 stop
LHR
American Airlines
19 Dec
LHR
15h 46m
2 stops
CMI
25 Dec
CMI
13h 33m
2 stops
LHR
American Airlines
3 Jan
LHR
15h 46m
2 stops
CMI
10 Jan
CMI
13h 40m
2 stops
LHR
United Airlines
2 Jan
LHR
32h 49m
2 stops
PIA
9 Jan
PIA
10h 19m
1 stop
LHR
United Airlines
3 Jan
LHR
31h 59m
2 stops
PIA
10 Jan
PIA
14h 01m
2 stops
LHR
United Airlines
21 Dec
LHR
13h 55m
1 stop
PIA
28 Dec
PIA
20h 00m
2 stops
LHR
American Airlines
2 Jan
LHR
16h 52m
1 stop
PIA
9 Jan
PIA
14h 32m
1 stop
LHR
American Airlines
3 Jan
LHR
18h 37m
1 stop
PIA
10 Jan
PIA
14h 32m
1 stop
LHR
United Airlines
21 Dec
LHR
13h 55m
1 stop
PIA
28 Dec
PIA
22h 45m
1 stop
LHR
Lufthansa
2 Jan
LCY
41h 30m
2 stops
PIA
9 Jan
PIA
24h 46m
2 stops
LCY
Lufthansa
3 Jan
LCY
29h 08m
2 stops
PIA
10 Jan
PIA
41h 23m
2 stops
LCY
United Airlines
3 Jan
LHR
33h 23m
1 stop
PIA
10 Jan
PIA
22h 45m
1 stop
LHR
United Airlines
21 Dec
LHR
15h 25m
2 stops
PIA
28 Dec
PIA
23h 20m
2 stops
LHR
Multiple Airlines
2 Jan
LHR
41h 18m
3 stops
PIA
9 Jan
PIA
17h 51m
2 stops
LHR
Multiple Airlines
21 Dec
LHR
30h 48m
3 stops
PIA
28 Dec
PIA
15h 50m
2 stops
LHR

Find the cheapest flights from the United Kingdom to Illinois

Cheap return flights

These are some of the best return flight deals from the United Kingdom to Illinois that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from the United Kingdom to Illinois.

Cheap last-minute flights

Planning a quick getaway from the United Kingdom to Illinois? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Illinois, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from theUnited Kingdom to Illinois

Find recent round-trip train or bus tickets from the United Kingdom to Illinois.

All round-trip flight deals to Illinois

The cheapest plane tickets to Illinois found on KAYAK recently.
12:45 - 15:30LGW-ORD
32h 45m2 stops
19:15 - 20:15ORD-LGW
19h 00m2 stops
to, 16 tammi - ke, 22 tammi
06:00 - 15:30LHR-ORD
15h 30m1 stop
20:20 - 22:40ORD-LHR
20h 20m1 stop
£369TAP AIR PORTUGAL
Find Deal
pe, 24 tammi - pe, 7 helmi
07:00 - 15:30LHR-ORD
13h 30m1 stop
16:50 - 10:15ORD-LHR
12h 25m1 stop
£448Finnair
Find Deal
ti, 18 maalis - ma, 24 maalis
11:00 - 14:55LHR-ORD
8h 55mdirect
16:50 - 10:15ORD-LHR
12h 25m1 stop
£463Finnair
Find Deal
ti, 18 maalis - ma, 24 maalis
10:25 - 13:50LHR-ORD
9h 25mdirect
20:30 - 11:50ORD-LHR
10h 20m1 stop
£490Lufthansa
Find Deal
la, 1 maalis - la, 15 maalis
12:10 - 08:44LHR-ORD
26h 34m1 stop
16:22 - 22:10ORD-LHR
23h 48m1 stop
£515British Airways
Find Deal
ti, 31 joulu - ke, 8 tammi
18:45 - 12:10LGW-ORD
23h 25m1 stop
14:20 - 17:55ORD-LGW
21h 35m1 stop
£521SWISS
Find Deal
ti, 29 huhti - ke, 7 Touko
06:35 - 14:10LHR-ORD
13h 35m1 stop
17:50 - 07:55ORD-LHR
8h 05mdirect
£523Lufthansa
Find Deal
to, 5 joulu - to, 12 joulu
11:55 - 14:45LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
£542British Airways
Find Deal
ma, 30 joulu - ma, 20 tammi
09:25 - 16:15LCY-ORD
12h 50m1 stop
17:10 - 12:50ORD-LCY
14h 40m1 stop
£546SWISS
Find Deal
ke, 5 maalis - ke, 19 maalis
09:10 - 20:13LGW-ORD
41h 03m3 stops
ti, 28 tammi
11:00 - 09:54STN-ORD
52h 54m3 stops
ke, 11 joulu
11:00 - 09:54STN-ORD
52h 54m3 stops
ke, 11 joulu
19:00 - 10:47LHR-ORD
21h 47m1 stop
£473British Airways
Find Deal
ma, 6 tammi
11:00 - 13:55LHR-ORD
8h 55mdirect
£493Finnair
Find Deal
ke, 4 joulu
09:25 - 16:15LCY-ORD
12h 50m1 stop
£564SWISS
Find Deal
to, 28 marras
18:15 - 13:25LCY-ORD
25h 10m1 stop
£572Lufthansa
Find Deal
ti, 3 joulu
07:15 - 19:43LCY-ORD
18h 28m2 stops
£591British Airways
Find Deal
ti, 3 joulu
09:15 - 16:15LCY-ORD
13h 00m1 stop
£606SWISS
Find Deal
ti, 31 joulu
10:00 - 20:05LCY-ORD
16h 05m1 stop
£609Lufthansa
Find Deal
ke, 4 joulu
07:50 - 14:00LHR-ORD
12h 10m1 stop
15:55 - 08:05ORD-LHR
10h 10m1 stop
£479Aer Lingus
Find Deal
su, 24 marras - ke, 4 joulu
20:40 - 17:20LHR-ORD
26h 40m1 stop
18:30 - 19:30ORD-LHR
19h 00m1 stop
£482Icelandair
Find Deal
ma, 25 marras - ma, 2 joulu
10:25 - 13:50LHR-ORD
9h 25mdirect
16:00 - 06:30ORD-LHR
32h 30m1 stop
£487Lufthansa
Find Deal
la, 23 marras - la, 30 marras
16:20 - 23:20LHR-ORD
13h 00m1 stop
20:25 - 06:30ORD-LHR
28h 05m1 stop
£492Lufthansa
Find Deal
la, 23 marras - la, 30 marras
11:25 - 14:30LHR-ORD
33h 05m1 stop
08:35 - 08:40ORD-LHR
18h 05m1 stop
£521Finnair
Find Deal
la, 23 marras - ti, 3 joulu
14:10 - 17:00LHR-ORD
8h 50mdirect
08:35 - 08:40ORD-LHR
18h 05m1 stop
£527Finnair
Find Deal
la, 23 marras - ti, 3 joulu
15:45 - 18:45LHR-ORD
9h 00mdirect
22:00 - 11:40ORD-LHR
7h 40mdirect
£843British Airways
Find Deal
ma, 25 marras - ma, 23 joulu
08:30 - 16:15LCY-ORD
13h 45m1 stop
19:05 - 12:40ORD-LCY
11h 35m1 stop
£865SWISS
Find Deal
la, 23 marras - la, 7 joulu
11:55 - 14:45LHR-ORD
8h 50mdirect
18:25 - 08:15ORD-LHR
7h 50mdirect
£872British Airways
Find Deal
ma, 25 marras - to, 26 joulu
09:15 - 18:10LCY-ORD
14h 55m2 stops
17:55 - 12:50ORD-LCY
12h 55m2 stops
£898SWISS
Find Deal
ma, 25 marras - ma, 2 joulu
10:25 - 14:50LHR-ORD
9h 25mdirect
22:10 - 11:15ORD-LHR
8h 05mdirect
£498Lufthansa
Find Deal
ma, 10 maalis - ti, 25 maalis
13:35 - 17:00LHR-ORD
9h 25mdirect
17:50 - 07:55ORD-LHR
8h 05mdirect
£500Lufthansa
Find Deal
ke, 12 helmi - ke, 19 helmi
14:25 - 17:00LHR-ORD
8h 35mdirect
22:55 - 12:45ORD-LHR
7h 50mdirect
£517British Airways
Find Deal
ti, 29 huhti - ke, 7 Touko
12:15 - 14:55LHR-ORD
8h 40mdirect
20:30 - 10:20ORD-LHR
7h 50mdirect
£522Finnair
Find Deal
ma, 12 Touko - ti, 20 Touko
14:25 - 17:00LHR-ORD
8h 35mdirect
22:55 - 12:45ORD-LHR
7h 50mdirect
£537Finnair
Find Deal
ma, 5 Touko - pe, 9 Touko
11:55 - 14:45LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
£542British Airways
Find Deal
ma, 30 joulu - ma, 20 tammi
15:45 - 18:45LHR-ORD
9h 00mdirect
18:30 - 08:15ORD-LHR
7h 45mdirect
£550Iberia
Find Deal
to, 5 joulu - to, 12 joulu
09:35 - 12:15LHR-ORD
8h 40mdirect
17:55 - 07:50ORD-LHR
7h 55mdirect
£553Iberia
Find Deal
la, 3 Touko - la, 10 Touko
10:25 - 13:50LHR-ORD
9h 25mdirect
17:50 - 07:55ORD-LHR
8h 05mdirect
£643Brussels Airlines
Find Deal
pe, 13 joulu - pe, 10 tammi
10:25 - 13:50LHR-ORD
9h 25mdirect
17:50 - 07:55ORD-LHR
8h 05mdirect
£689Brussels Airlines
Find Deal
ma, 16 joulu - ti, 31 joulu

Illinois flights insights and trends

Explore insights for your Illinois flight to craft the best travel plan

What is the cheapest flight I can find to Illinois?

Flights to Illinois vary based on month, airline, when you book, where you are departing from and many more variables, but on average momondo users can expect to spend about £652/pp. The absolute cheapest flight to Illinois is £24/pp
See prices from:

How long is the flight from United Kingdom to Illinois?

The average flight duration from United Kingdom to Illinois depends on which airport you fly into and out of. Flying from London Heathrow to Chicago O'Hare Intl is 8h 35m on average, while flying from Manchester to Chicago O'Hare Intl is 12h on average. Chicago O'Hare Intl is the most popular airport in Illinois.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart on your flight to Illinois is on a Wednesday when prices can be found for as low as £552. This is often the case because there is less demand to fly during this day of the week. Flights from United Kingdom to Illinois on a Sunday will generally be more expensive and average around £610. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Which airlines fly to Illinois?

You can find flights to Illinois from 16 airlines. If you’re unsure which to fly with, consider booking your flight with British Airways, Aer Lingus or Finnair as these are the most popular among our users. British Airways is the most favoured with 42% of momondo travellers booking flights with this airline.

Cheapest flights to cities in Illinois

Click on the cities below to find out when it's cheapest to fly to Illinois from United Kingdom
Chicago
Chicago

Cheap Illinois flight deals and tips

Summary info about Illinois flight prices, duration and airlines

Best One-Way Price

£248

Best Round-Trip Price

£367

Fastest flight time

15h 31m
The best one-way flight price to Illinois from United Kingdom in the last 72 hours is £248 (London Gatwick to Chicago O'Hare Intl).
The best round-trip flight price to Illinois from United Kingdom in the last 72 hours is £367 (London Gatwick to Chicago O'Hare Intl).
The fastest flight to Illinois from United Kingdom takes 15h 31m (London Gatwick to Lambert-St Louis).

Frequently asked questions about flying to Illinois

What is the best airport to fly into to visit Chicago?

I plan on visiting Grant Park. Which airport is the quickest drive?

Grant Park is closest to Chicago O'Hare Intl Airport. Those looking for an alternative airport option near Grant Park could try flying into Chicago Midway Airport.

What are the most popular landmarks in Illinois?

What is the weather like in Illinois?

Illinois typically has a temperature range from -5 °C(January) to 23 °C(July). Those looking to avoid rain and/or snow while visiting Illinois should plan their trip in January, February, or December, as these months are relatively less likely to have precipitation.

How much are flights to Illinois?

You can expect to spend an average of £1,339 for a flight to Illinois. However, our users found flights to Illinois for £512, which is the cheapest price we’ve seen in the past week. £2,363 per ticket tends to be the most expensive a flight to Illinois will get, whereas anything for £1,096 or less is considered a good deal.

What is the best day of the week to fly to Illinois?

The best day to take a flight to Illinois is on Wednesday, followed by Tuesday. Wednesday and Tuesday tend to have the lowest flight prices to Illinois. If your travel dates are flexible, then try to avoid booking on a Sunday, which is known for being the most expensive day of the week to fly to Illinois.

When did momondo last update prices for flights to Illinois?

Prices for flights to Illinois were last updated today.

How many operators does momondo search for flights to Illinois?

How old do you have to be to fly to Illinois?

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 to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Why use momondo?

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

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 for you.

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

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

How can momondo help me find flights to Illinois?

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

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois and alert you when they change.


An easier way to manage your Illinois 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

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Cheapest flight routes to Illinois

These routes have the cheapest flights to Illinois found by momondo users in United Kingdom
DepartingDestinationBest TimeBest Price
LondonChicago11h 20m£367
ManchesterChicago12h 00m£395
LondonSt. Louis14h 46m£467
BirminghamChicago11h 45m£478
LeedsChicago14h 35m£482
EdinburghChicago8h 35m£486
GlasgowChicago9h 55m£502
BristolChicago11h 30m£554
LiverpoolChicago12h 25m£566
BelfastChicago13h 50m£586
Newcastle upon TyneChicago12h 15m£613
ManchesterSt. Louis20h 38m£689
DarlingtonChicago20h 25m£699
SouthamptonChicago15h 50m£704
GrimsbyChicago16h 15m£716
EdinburghSt. Louis18h 33m£728