Find flights
When to book
FAQs

Cheap flights from Illinois to London Luton Airport from £299

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LTN
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Luton

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Luton
Explore the most affordable flight options available from Illinois to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2026.

Tue 3/1118:30
ORD
-
LTN
2 stops21h 30m
Multiple Airlines
Tue 10/1109:00
LTN
-
ORD
2 stops14h 20m
Multiple Airlines
Deal found 26/4£539
Sun 1/1118:30
ORD
-
LTN
2 stops16h 30m
Multiple Airlines
Wed 11/1106:50
LTN
-
ORD
2 stops16h 30m
Multiple Airlines
Deal found 25/4£541
Sun 10/515:50
ORD
-
LTN
2 stops23h 50m
Multiple Airlines
Tue 19/514:45
LTN
-
ORD
2 stops31h 15m
Multiple Airlines
Deal found 24/4£548
Sun 10/509:55
ORD
-
LTN
2 stops29h 45m
Multiple Airlines
Thu 14/517:30
LTN
-
ORD
2 stops28h 30m
Multiple Airlines
Deal found 24/4£554
Sun 8/1118:30
ORD
-
LTN
2 stops16h 30m
Multiple Airlines
Sat 14/1112:15
LTN
-
ORD
2 stops33h 15m
Multiple Airlines
Deal found 26/4£555
Tue 26/509:55
ORD
-
LTN
3 stops21h 30m
Multiple Airlines
Wed 17/606:15
LTN
-
ORD
3 stops21h 50m
Multiple Airlines
Deal found 28/4£558
Thu 1/1019:25
ORD
-
LTN
2 stops20h 45m
Multiple Airlines
Thu 15/1008:30
LTN
-
ORD
2 stops15h 45m
Multiple Airlines
Deal found 26/4£560
Thu 19/1118:30
ORD
-
LTN
2 stops21h 55m
Multiple Airlines
Fri 27/1105:50
LTN
-
ORD
2 stops17h 30m
Multiple Airlines
Deal found 26/4£562
Wed 27/509:55
ORD
-
LTN
3 stops20h 40m
Multiple Airlines
Wed 3/608:00
LTN
-
ORD
2 stops35h 05m
Multiple Airlines
Deal found 27/4£564
Fri 8/519:25
ORD
-
LTN
2 stops21h 30m
Multiple Airlines
Wed 13/506:15
LTN
-
ORD
2 stops19h 25m
Multiple Airlines
Deal found 25/4£565
Tue 20/1015:45
ORD
-
LTN
2 stops16h 00m
Multiple Airlines
Wed 11/1106:50
LTN
-
ORD
2 stops16h 30m
Multiple Airlines
Deal found 26/4£565
Mon 1/614:15
STL
-
LTN
2 stops26h 35m
Multiple Airlines
Mon 8/606:05
LTN
-
STL
2 stops20h 20m
Multiple Airlines
Deal found 24/4£783

Find flight deals from Illinois to Luton

Keep the following information in mind while searching for Illinois to Luton flight deals. Data was last updated 29 April 2026.

Round-trip from

£548

One-way from

£297

Popular in

June

Cheapest in

February

Average price

£517
10/5-19/5
  • 10/5-19/5
  • 4 total stops
  • 55h 05m total
  • Illinois to London
Search Deals
20/10
  • 20/10
  • 2 total stops
  • 26h 15m total
  • Illinois to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£124 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Illinois to Luton 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, Cheapflights users made 858,174 searches. Data last updated 29 April 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 return flight

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 9/6

09:55-15:30

3 stops23h 35m

London Luton

Tue 16/6

09:40-10:18

3 stops30h 38m

£583

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 13/5

14:15-17:30

2 stops21h 15m

London Luton

Wed 3/6

08:00-13:05

2 stops35h 05m

£622

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 27/9

16:55-13:45

1 stop14h 50m

London Luton

Mon 5/10

08:30-18:15

2 stops15h 45m

£645

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 1/6

10:00-12:45

2 stops20h 45m

London Luton

Sun 7/6

20:35-18:38

3 stops28h 03m

£686

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sat 6/6

09:55-10:20

2 stops18h 25m

London Luton

Sat 20/6

17:50-11:50

1 stop24h 00m

£693

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 28/7

10:43-16:10

3 stops23h 27m

London Luton

Sat 22/8

17:50-11:50

1 stop24h 00m

£712

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 25/5

14:15-12:45

2 stops16h 30m

London Luton

Tue 2/6

09:40-22:05

2 stops18h 25m

£721

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 16/8

11:05-11:25

3 stops18h 20m

London Luton

Sat 22/8

21:25-14:55

2 stops23h 30m

£736

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sat 5/9

09:50-21:55

3 stops30h 05m

London Luton

Thu 17/9

17:30-16:00

2 stops28h 30m

£751

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 2/10

16:55-13:45

1 stop14h 50m

London Luton

Fri 9/10

08:30-18:15

2 stops15h 45m

£757

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 53 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Illinois to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Illinois with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to London Luton Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Luton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Illinois to London Luton Airport?

    The most popular flight routes from Illinois to London Luton Airport are Chicago O'Hare Intl - London Luton, Lambert-St Louis - London Luton and Chicago Midway - London Luton.

  • Can I find deals for flights from Illinois to Luton that include hotel bookings?

    Yes. In addition to deals on Illinois to Luton flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Luton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Luton.

  • Can I find deals for business class flights from Illinois to Luton?

    Yes. Cheapflights offers flight deals from Illinois to Luton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Luton

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Heathrow flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Gatwick flights
Newark to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to London City flights
Boston to Heathrow flights
Los Angeles to Heathrow flights
LaGuardia to Gatwick flights
Dulles Intl to Heathrow flights
Newark to London City flights
Baltimore to Heathrow flights
Newark to Stansted flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
Newark to Luton flights
Boston to Gatwick flights
Seattle to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Atlanta to Heathrow flights
Orlando to Heathrow flights
Hobby to Heathrow flights
Los Angeles to Gatwick flights
Miami to Heathrow flights
Boston to London City flights
Los Angeles to Stansted flights
Dulles Intl to Gatwick flights
Denver to Heathrow flights
Reagan-National to Heathrow flights
Boston to Stansted flights
Dulles Intl to London City flights
Los Angeles to London City flights
Baltimore to Gatwick flights
Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to Gatwick flights
LaGuardia to Stansted flights
San Francisco to Gatwick flights
San Francisco to London City flights
Minneapolis to Heathrow flights
Austin to Heathrow flights
Seattle to Gatwick flights
O'Hare Intl to London City flights
San Francisco to Stansted flights
O'Hare Intl to Stansted flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Luton?

Cheapflights makes it easy to find Illinois to Luton flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Luton?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Illinois to Luton.

Can Cheapflights find flights from Illinois to Luton with no change fees?

Yes! Cheapflights helps users easily find flights from Illinois to Luton with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Luton become cheaper?

Not ready to book yet? You can track prices for flights from Illinois to Luton on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.