How do I get Price Alerts for flights from London Luton Airport to Illinois?

Confirm your travel details to search for the latest offers for flights from London Luton Airport to Illinois . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from London Luton Airport to Illinois with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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

Prices for flights from London Luton Airport to Illinois are refreshed on a daily basis.

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

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

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

£412 Cheap Flights from London Luton Airport to Illinois in 2026/27

Find the cheapest flights from London Luton Airport to Illinois

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:00 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

18:30 - 22:00ORD Chicago O'Hare Intl-LTN London Luton

21h 30m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

£520Multiple Airlines

Sun, 22 Nov - Thu, 3 Dec

07:00 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

18:30 - 21:35ORD Chicago O'Hare Intl-LTN London Luton

21h 05m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

£521Multiple Airlines

Wed, 25 Nov - Wed, 2 Dec

21:30 - 15:30LTN London Luton-ORD Chicago O'Hare Intl

24h 00m2 stops Madrid Barajas Lisbon Humberto Delgado

19:00 - 20:50ORD Chicago O'Hare Intl-LTN London Luton

19h 50m2 stops Lisbon Humberto Delgado Madrid Barajas

£523Multiple Airlines

Tue, 19 Jan - Wed, 27 Jan

07:00 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

18:30 - 21:35ORD Chicago O'Hare Intl-LTN London Luton

21h 05m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

£523Multiple Airlines

Wed, 25 Nov - Wed, 2 Dec

07:45 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

15h 35m2 stops Dublin Reykjavik Keflavik Intl

18:30 - 18:00ORD Chicago O'Hare Intl-LTN London Luton

17h 30m2 stops Reykjavik Keflavik Intl Dublin

£523Multiple Airlines

Tue, 17 Nov - Mon, 23 Nov

07:20 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

16h 00m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

18:30 - 20:25ORD Chicago O'Hare Intl-LTN London Luton

19h 55m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

£525Multiple Airlines

Mon, 23 Nov - Fri, 27 Nov

21:45 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

25h 35m2 stops Gdansk Rebiechowo Reykjavik Keflavik Intl

21:00 - 18:00ORD Chicago O'Hare Intl-LTN London Luton

15h 00m1 stop Dublin

£526Multiple Airlines

Wed, 6 Jan - Mon, 1 Feb

06:10 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

17h 10m2 stops Dublin Reykjavik Keflavik Intl

18:30 - 18:00ORD Chicago O'Hare Intl-LTN London Luton

17h 30m2 stops Reykjavik Keflavik Intl Dublin

£526Multiple Airlines

Mon, 22 Feb - Mon, 1 Mar

17:00 - 15:30LTN London Luton-ORD Chicago O'Hare Intl

28h 30m2 stops Barcelona-El Prat Lisbon Humberto Delgado

20:10 - 22:20ORD Chicago O'Hare Intl-LTN London Luton

20h 10m2 stops Lisbon Humberto Delgado Barcelona-El Prat

£529Multiple Airlines

Tue, 1 Dec - Sun, 6 Dec

07:20 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

16h 00m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

18:30 - 22:00ORD Chicago O'Hare Intl-LTN London Luton

21h 30m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

£530Multiple Airlines

Sat, 21 Nov - Sun, 22 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:15 - 15:30LTN London Luton-ORD Chicago O'Hare Intl

33h 15m2 stops Barcelona-El Prat Lisbon Humberto Delgado

20:10 - 22:45ORD Chicago O'Hare Intl-LTN London Luton

20h 35m1 stop Lisbon Humberto Delgado

£559Multiple Airlines

Thu, 5 Nov - Sun, 8 Nov

21:45 - 15:30LTN London Luton-ORD Chicago O'Hare Intl

47h 45m3 stops Rome Fiumicino Barcelona-El Prat Lisbon Humberto Delgado

19:00 - 20:50ORD Chicago O'Hare Intl-LTN London Luton

19h 50m2 stops Lisbon Humberto Delgado Madrid Barajas

£567Multiple Airlines

Mon, 9 Nov - Wed, 11 Nov

06:10 - 14:10LTN London Luton-ORD Chicago O'Hare Intl

14h 00m1 stop Dublin

20:05 - 18:00ORD Chicago O'Hare Intl-LTN London Luton

15h 55m1 stop Dublin

£569Multiple Airlines

Mon, 9 Nov - Mon, 16 Nov

06:10 - 14:10LTN London Luton-ORD Chicago O'Hare Intl

14h 00m1 stop Dublin

20:05 - 14:05ORD Chicago O'Hare Intl-LTN London Luton

12h 00m1 stop Dublin

£569Multiple Airlines

Mon, 9 Nov - Fri, 13 Nov

16:00 - 15:30LTN London Luton-ORD Chicago O'Hare Intl

29h 30m2 stops Malaga Lisbon Humberto Delgado

20:10 - 22:45ORD Chicago O'Hare Intl-LTN London Luton

20h 35m1 stop Lisbon Humberto Delgado

£572Multiple Airlines

Thu, 5 Nov - Sun, 8 Nov

06:10 - 14:10LTN London Luton-ORD Chicago O'Hare Intl

14h 00m1 stop Dublin

15:55 - 09:10ORD Chicago O'Hare Intl-LTN London Luton

11h 15m1 stop Dublin

£582Multiple Airlines

Mon, 9 Nov - Sun, 15 Nov

14:50 - 16:45LTN London Luton-ORD Chicago O'Hare Intl

31h 55m2 stops Paris Charles de Gaulle Kastrup Copenhagen

19:10 - 21:00ORD Chicago O'Hare Intl-LTN London Luton

19h 50m2 stops Kastrup Copenhagen Paris Charles de Gaulle

£584Multiple Airlines

Mon, 9 Nov - Mon, 16 Nov

07:45 - 14:10LTN London Luton-ORD Chicago O'Hare Intl

12h 25m1 stop Dublin

15:55 - 10:35ORD Chicago O'Hare Intl-LTN London Luton

12h 40m1 stop Dublin

£596Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

07:25 - 10:00LTN London Luton-ORD Chicago O'Hare Intl

32h 35m2 stops Venice Marco Polo Istanbul

11:45 - 20:25ORD Chicago O'Hare Intl-LTN London Luton

26h 40m2 stops Istanbul Venice Marco Polo

£604Multiple Airlines

Sun, 8 Nov - Sun, 15 Nov

08:40 - 18:20LTN London Luton-ORD Chicago O'Hare Intl

15h 40m1 stop Dublin

15:55 - 08:05ORD Chicago O'Hare Intl-LTN London Luton

10h 10m1 stop Dublin

£605Multiple Airlines

Sun, 8 Nov - Sat, 14 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

momondo Fare Finder

Use the filters below to find and compare flights from London Luton Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Sun 22/11

07:00-17:20

2 stops16h 20m

Chicago O'Hare Intl

Thu 3/12

18:30-22:00

2 stops21h 30m

£520

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 25/11

07:00-17:20

2 stops16h 20m

Chicago O'Hare Intl

Wed 2/12

18:30-21:35

2 stops21h 05m

£521

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Tue 19/1

21:30-15:30

2 stops24h 00m

Chicago O'Hare Intl

Wed 27/1

19:00-20:50

2 stops19h 50m

£523

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 25/11

07:00-17:20

2 stops16h 20m

Chicago O'Hare Intl

Wed 2/12

18:30-21:35

2 stops21h 05m

£523

Fastest return journey

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Tue 17/11

07:45-17:20

2 stops15h 35m

Chicago O'Hare Intl

Mon 23/11

18:30-18:00

2 stops17h 30m

£523

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Mon 23/11

07:20-17:20

2 stops16h 00m

Chicago O'Hare Intl

Fri 27/11

18:30-20:25

2 stops19h 55m

£525

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 6/1

21:45-17:20

2 stops25h 35m

Chicago O'Hare Intl

Mon 1/2

21:00-18:00

1 stop15h 00m

£526

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Mon 22/2

06:10-17:20

2 stops17h 10m

Chicago O'Hare Intl

Mon 1/3

18:30-18:00

2 stops17h 30m

£526

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Tue 1/12

17:00-15:30

2 stops28h 30m

Chicago O'Hare Intl

Sun 6/12

20:10-22:20

2 stops20h 10m

£529

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Sat 21/11

07:20-17:20

2 stops16h 00m

Chicago O'Hare Intl

Sun 22/11

18:30-22:00

2 stops21h 30m

£530

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap London Luton Airport to Illinois flight deals and tips

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

Best price found	£412
Fastest flight time	15h 00m
Direct flights	None

The best one-way flight to Illinois from London Luton Airport in the past 72 hours is £412. The best return flight deal from London Luton Airport to Illinois found on momondo in the last 72 hours is £520.

The fastest flight from London Luton Airport to Illinois takes 15h 00m

There are no direct flights from London Luton Airport to Illinois. There are no popular flight routes from London Luton Airport to Illinois.

Search flight deals

Frequently asked questions about flying from London Luton Airport to Illinois

When did momondo last update prices for flights from London Luton Airport to Illinois?
Prices for flights from London Luton Airport to Illinois are refreshed on a daily basis.
How old do you have to be to fly from London Luton Airport 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 from London Luton Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from London Luton Airport to Illinois

How do I get Price Alerts for flights from London Luton Airport to Illinois?
Confirm your travel details to search for the latest offers for flights from London Luton Airport to Illinois. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from London Luton Airport to Illinois with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

It is quick and easy to find London to Illinois 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 Illinois that suits you.

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

Flights from London to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Illinois.

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

If you are not ready to book a flight from London to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.