Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Illinois to London from $311

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 7/27. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:20 pm - 11:25 pm
ORD
-
LTN
27h 05m
2 stops
Multiple Airlines Logo
9:00 am - 12:35 pm
LTN
-
ORD
33h 35m
2 stops
$869Multiple Airlines
Thu, Jul 16 - Sun, Jul 19
Multiple Airlines Logo
11:05 am - 12:35 pm
ORD
-
LTN
19h 30m
2 stops
Multiple Airlines Logo
11:00 am - 12:35 pm
LTN
-
ORD
31h 35m
2 stops
$870Multiple Airlines
Wed, Jul 22 - Sun, Jul 26
Multiple Airlines Logo
3:45 pm - 9:30 am
ORD
-
LTN
11h 45m
1 stop
Multiple Airlines Logo
8:15 am - 2:00 pm
LTN
-
ORD
11h 45m
1 stop
$871Multiple Airlines
Thu, Sep 3 - Mon, Sep 7
Multiple Airlines Logo
3:45 pm - 9:15 am
ORD
-
LTN
11h 30m
1 stop
Multiple Airlines Logo
9:40 am - 9:35 pm
LTN
-
ORD
17h 55m
2 stops
$873Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
7:25 pm - 12:55 pm
ORD
-
LTN
11h 30m
1 stop
Multiple Airlines Logo
6:15 am - 6:15 pm
LTN
-
ORD
18h 00m
1 stop
$876Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
3:00 pm - 8:45 pm
ORD
-
LTN
23h 45m
2 stops
Multiple Airlines Logo
7:00 pm - 1:10 pm
LTN
-
ORD
24h 10m
2 stops
$877Multiple Airlines
Wed, Jul 29 - Tue, Aug 4
Multiple Airlines Logo
7:25 pm - 9:40 pm
ORD
-
LTN
20h 15m
2 stops
Multiple Airlines Logo
9:25 am - 6:15 pm
LTN
-
ORD
14h 50m
2 stops
$885Multiple Airlines
Sun, Jul 26 - Thu, Jul 30
Multiple Airlines Logo
2:00 pm - 5:25 pm
ORD
-
LTN
21h 25m
2 stops
Multiple Airlines Logo
6:20 am - 4:57 pm
LTN
-
ORD
16h 37m
2 stops
$890Multiple Airlines
Fri, Jul 17 - Fri, Jul 24
Multiple Airlines Logo
3:00 pm - 8:45 pm
ORD
-
LTN
23h 45m
2 stops
Multiple Airlines Logo
7:00 pm - 1:10 pm
LTN
-
ORD
24h 10m
2 stops
$891Multiple Airlines
Wed, Jul 29 - Tue, Aug 4
Multiple Airlines Logo
10:25 pm - 8:55 pm
ORD
-
LTN
16h 30m
2 stops
Multiple Airlines Logo
8:45 am - 3:00 pm
LTN
-
ORD
11h 15m
1 stop
$893Multiple Airlines
Mon, Aug 24 - Sun, Oct 25

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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.
Search flight deals

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to London Luton Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Illinois to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Thu 7/16

2:20 pm-11:25 pm

2 stops27h 05m

London Luton

Sun 7/19

9:00 am-12:35 pm

2 stops33h 35m

$869

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 7/22

11:05 am-12:35 pm

2 stops19h 30m

London Luton

Sun 7/26

11:00 am-12:35 pm

2 stops31h 35m

$870
Quickest round-trip

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Thu 9/3

3:45 pm-9:30 am

1 stop11h 45m

London Luton

Mon 9/7

8:15 am-2:00 pm

1 stop11h 45m

$871

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 9/1

3:45 pm-9:15 am

1 stop11h 30m

London Luton

Tue 9/8

9:40 am-9:35 pm

2 stops17h 55m

$873

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 9/8

7:25 pm-12:55 pm

1 stop11h 30m

London Luton

Wed 9/16

6:15 am-6:15 pm

1 stop18h 00m

$876

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 7/29

3:00 pm-8:45 pm

2 stops23h 45m

London Luton

Tue 8/4

7:00 pm-1:10 pm

2 stops24h 10m

$877

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 7/26

7:25 pm-9:40 pm

2 stops20h 15m

London Luton

Thu 7/30

9:25 am-6:15 pm

2 stops14h 50m

$885

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 7/17

2:00 pm-5:25 pm

2 stops21h 25m

London Luton

Fri 7/24

6:20 am-4:57 pm

2 stops16h 37m

$890

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 7/29

3:00 pm-8:45 pm

2 stops23h 45m

London Luton

Tue 8/4

7:00 pm-1:10 pm

2 stops24h 10m

$891

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 8/24

10:25 pm-8:55 pm

2 stops16h 30m

London Luton

Sun 10/25

8:45 am-3:00 pm

1 stop11h 15m

$893

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Illinois to London Luton 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

How long does it take to fly to London Luton Airport?

If you’re flying from a popular airport in Illinois, such as Chicago or Moline, and flying into London Luton Airport, then you can expect flight times to average 9h 12m and 11h 30m, respectively.

Cheap Illinois to London Luton Airport flight deals and tips

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

Fastest flight time

11h 30m

Direct flights

None
The fastest flight from Illinois to London Luton Airport takes 11h 30m
There are no direct flights from Illinois to London Luton Airport. There are no popular flight routes from Illinois to London Luton Airport.
Search flight deals

Frequently asked questions about flying from Illinois to London Luton Airport

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

    Prices for flights from Illinois to London Luton Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to London Luton Airport.

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

    The required travel and health documents for your London Luton Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Luton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Croydon
Wembley
Stansted
Harrow
Slough
Watford
Ilford
Cobham
Brentwood
Folkestone
Guildford
Romford
Uxbridge

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?

momondo does allow users to show only those flights to London from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to London from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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 Luton Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/2
Sun 8/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $498
Flights to London Gatwick Airportfrom $396
Flights to London Stansted Airportfrom $480
Flights to London City Airportfrom $594
Flights to Glasgow Intl Airportfrom $496
Flights to Belfast Intl Airportfrom $575
Flights to London Southend Airportfrom $643
Flights to Belfast City Airportfrom $705