Cheap flights from Illinois to London from $248

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 11/7. 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

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Cheap round-trip flights

Multiple Airlines Logo
6:30 pm - 4:05 pmORD-LTN
15h 35m2 stops
Multiple Airlines Logo
6:00 am - 5:20 pmLTN-ORD
17h 20m2 stops
$512Multiple Airlines
Find Deal
sáb., dic. 6 - sáb., dic. 13
Multiple Airlines Logo
6:30 pm - 9:05 pmORD-LTN
20h 35m2 stops
Multiple Airlines Logo
9:50 pm - 5:20 pmLTN-ORD
25h 30m2 stops
$518Multiple Airlines
Find Deal
jue., nov. 6 - vie., nov. 14
Multiple Airlines Logo
8:40 am - 12:20 pmORD-LTN
21h 40m2 stops
Multiple Airlines Logo
4:00 pm - 3:55 pmLTN-ORD
29h 55m2 stops
$542Multiple Airlines
Find Deal
mar., sep. 30 - lun., oct. 6
Multiple Airlines Logo
8:40 am - 12:20 pmORD-LTN
21h 40m2 stops
Multiple Airlines Logo
4:00 pm - 1:20 pmLTN-ORD
27h 20m2 stops
$543Multiple Airlines
Find Deal
lun., oct. 6 - lun., oct. 20
Multiple Airlines Logo
8:40 am - 3:35 pmORD-LTN
24h 55m2 stops
Multiple Airlines Logo
5:00 pm - 4:20 pmLTN-ORD
29h 20m2 stops
$549Multiple Airlines
Find Deal
dom., oct. 19 - lun., nov. 3
Multiple Airlines Logo
4:20 pm - 11:35 pmORD-LTN
25h 15m2 stops
Multiple Airlines Logo
4:00 pm - 3:55 pmLTN-ORD
29h 55m2 stops
$554Multiple Airlines
Find Deal
mar., oct. 14 - lun., oct. 20
Multiple Airlines Logo
3:50 pm - 8:55 amORD-LTN
11h 05m1 stop
Multiple Airlines Logo
9:00 am - 5:55 pmLTN-ORD
14h 55m1 stop
$561Multiple Airlines
Find Deal
dom., nov. 9 - mar., nov. 18
Multiple Airlines Logo
2:00 pm - 3:35 pmORD-LTN
19h 35m2 stops
Multiple Airlines Logo
6:25 pm - 12:55 pmLTN-ORD
24h 30m2 stops
$562Multiple Airlines
Find Deal
dom., oct. 12 - mié., oct. 22
Multiple Airlines Logo
6:30 pm - 2:00 pmORD-LTN
13h 30m1 stop
Multiple Airlines Logo
6:00 am - 5:20 pmLTN-ORD
17h 20m1 stop
$564Multiple Airlines
Find Deal
lun., dic. 1 - dom., dic. 14
Multiple Airlines Logo
7:15 am - 11:05 pmORD-LTN
33h 50m3 stops
Multiple Airlines Logo
6:50 am - 8:05 pmLTN-ORD
19h 15m2 stops
$565Multiple Airlines
Find Deal
mié., nov. 12 - mié., nov. 19

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 septiembre 19, 2025.
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

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

sáb. 12/6

6:30 pm-4:05 pm

2 stops15h 35m

London Luton

sáb. 12/13

6:00 am-5:20 pm

2 stops17h 20m

$512

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

jue. 11/6

6:30 pm-9:05 pm

2 stops20h 35m

London Luton

vie. 11/14

9:50 pm-5:20 pm

2 stops25h 30m

$518

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

mar. 9/30

8:40 am-12:20 pm

2 stops21h 40m

London Luton

lun. 10/6

4:00 pm-3:55 pm

2 stops29h 55m

$542

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

lun. 10/6

8:40 am-12:20 pm

2 stops21h 40m

London Luton

lun. 10/20

4:00 pm-1:20 pm

2 stops27h 20m

$543

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

dom. 10/19

8:40 am-3:35 pm

2 stops24h 55m

London Luton

lun. 11/3

5:00 pm-4:20 pm

2 stops29h 20m

$549

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

mar. 10/14

4:20 pm-11:35 pm

2 stops25h 15m

London Luton

lun. 10/20

4:00 pm-3:55 pm

2 stops29h 55m

$554

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

dom. 11/9

3:50 pm-8:55 am

1 stop11h 05m

London Luton

mar. 11/18

9:00 am-5:55 pm

1 stop14h 55m

$561

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

dom. 10/12

2:00 pm-3:35 pm

2 stops19h 35m

London Luton

mié. 10/22

6:25 pm-12:55 pm

2 stops24h 30m

$562

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

lun. 12/1

6:30 pm-2:00 pm

1 stop13h 30m

London Luton

dom. 12/14

6:00 am-5:20 pm

1 stop17h 20m

$564

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

mié. 11/12

7:15 am-11:05 pm

3 stops33h 50m

London Luton

mié. 11/19

6:50 am-8:05 pm

2 stops19h 15m

$565

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 Peoria, and flying into London Luton Airport, then you can expect flight times to average 8h 31m and 10h 05m, 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

Direct flights

None
There are no direct flights from Illinois to London Luton Airport. There are no popular flight routes 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
Gatwick
Hounslow
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Brentwood
Ilford
Folkestone
Colchester
Watford
Wembley
Richmond
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?

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.

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1 adult
dom. 10/19
dom. 10/26

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