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.

£344 Cheap Flights from London Luton Airport to Illinois in 2026

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.

06:15 - 14:55LTN London Luton-ORD Chicago O'Hare Intl

14h 40m1 stop Madrid Barajas

17:40 - 13:45ORD Chicago O'Hare Intl-LTN London Luton

14h 05m1 stop Madrid Barajas

£529Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

09:00 - 14:00LTN London Luton-ORD Chicago O'Hare Intl

11h 00m1 stop Dublin

15:45 - 10:30ORD Chicago O'Hare Intl-LTN London Luton

12h 45m1 stop Dublin

£529Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

06:15 - 14:55LTN London Luton-ORD Chicago O'Hare Intl

14h 40m1 stop Madrid Barajas

17:40 - 13:45ORD Chicago O'Hare Intl-LTN London Luton

14h 05m1 stop Madrid Barajas

£529Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

17:20 - 16:45LTN London Luton-ORD Chicago O'Hare Intl

29h 25m2 stops Vilnius Kastrup Copenhagen

19:15 - 23:25ORD Chicago O'Hare Intl-LTN London Luton

22h 10m2 stops Kastrup Copenhagen Vilnius

£531Multiple Airlines

Thu, 19 Nov - Wed, 2 Dec

06:15 - 14:55LTN London Luton-ORD Chicago O'Hare Intl

14h 40m1 stop Madrid Barajas

17:40 - 13:45ORD Chicago O'Hare Intl-LTN London Luton

14h 05m1 stop Madrid Barajas

£531Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

06:15 - 14:55LTN London Luton-ORD Chicago O'Hare Intl

14h 40m1 stop Madrid Barajas

17:40 - 13:45ORD Chicago O'Hare Intl-LTN London Luton

14h 05m1 stop Madrid Barajas

£531Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

09:15 - 21:25LTN London Luton-ORD Chicago O'Hare Intl

18h 10m2 stops Rome Fiumicino Reykjavik Keflavik Intl

19:25 - 21:05ORD Chicago O'Hare Intl-LTN London Luton

19h 40m2 stops Reykjavik Keflavik Intl Rome Fiumicino

£533Multiple Airlines

Wed, 30 Sep - Wed, 7 Oct

06:15 - 19:15LTN London Luton-ORD Chicago O'Hare Intl

19h 00m1 stop Dublin

15:45 - 12:25ORD Chicago O'Hare Intl-LTN London Luton

14h 40m1 stop Dublin

£533Multiple Airlines

Wed, 14 Oct - Thu, 15 Oct

13:50 - 19:15LTN London Luton-ORD Chicago O'Hare Intl

11h 25m1 stop Dublin

15:45 - 12:35ORD Chicago O'Hare Intl-LTN London Luton

14h 50m1 stop Dublin

£534Multiple Airlines

Wed, 14 Oct - Wed, 21 Oct

21:30 - 14:55LTN London Luton-ORD Chicago O'Hare Intl

23h 25m1 stop Madrid Barajas

17:40 - 20:50ORD Chicago O'Hare Intl-LTN London Luton

21h 10m1 stop Madrid Barajas

£534Multiple Airlines

Thu, 3 Dec - Mon, 7 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:00 - 19:15LTN London Luton-ORD Chicago O'Hare Intl

12h 15m1 stop Dublin

15:45 - 09:00ORD Chicago O'Hare Intl-LTN London Luton

11h 15m1 stop Dublin

£530Multiple Airlines

Thu, 17 Sep - Wed, 30 Sep

13:00 - 19:15LTN London Luton-ORD Chicago O'Hare Intl

12h 15m1 stop Dublin

21:00 - 15:25ORD Chicago O'Hare Intl-LTN London Luton

12h 25m1 stop Dublin

£540Multiple Airlines

Thu, 17 Sep - Sun, 20 Sep

13:00 - 19:15LTN London Luton-ORD Chicago O'Hare Intl

12h 15m1 stop Dublin

15:45 - 09:00ORD Chicago O'Hare Intl-LTN London Luton

11h 15m1 stop Dublin

£567Multiple Airlines

Thu, 17 Sep - Wed, 30 Sep

09:25 - 12:35LTN London Luton-ORD Chicago O'Hare Intl

33h 10m2 stops Dublin Zurich

19:05 - 21:15ORD Chicago O'Hare Intl-LTN London Luton

20h 10m2 stops Zurich Dublin

£602Multiple Airlines

Thu, 17 Sep - Wed, 30 Sep

15:50 - 16:10LTN London Luton-ORD Chicago O'Hare Intl

30h 20m3 stops Dublin Stockholm Arlanda Kastrup Copenhagen

19:15 - 21:15ORD Chicago O'Hare Intl-LTN London Luton

20h 00m2 stops Kastrup Copenhagen Dublin

£612Multiple Airlines

Thu, 17 Sep - Wed, 30 Sep

09:25 - 19:15LTN London Luton-ORD Chicago O'Hare Intl

15h 50m1 stop Dublin

21:00 - 13:25ORD Chicago O'Hare Intl-LTN London Luton

10h 25m1 stop Dublin

£631Multiple Airlines

Thu, 17 Sep - Sun, 20 Sep

05:40 - 15:10LTN London Luton-ORD Chicago O'Hare Intl

15h 30m2 stops Barcelona-El Prat Paris Charles de Gaulle

17:10 - 22:40ORD Chicago O'Hare Intl-LTN London Luton

23h 30m2 stops Paris Charles de Gaulle Barcelona-El Prat

£635Multiple Airlines

Thu, 17 Sep - Wed, 30 Sep

13:00 - 19:15LTN London Luton-ORD Chicago O'Hare Intl

12h 15m1 stop Dublin

21:00 - 15:25ORD Chicago O'Hare Intl-LTN London Luton

12h 25m1 stop Dublin

£652Multiple Airlines

Thu, 17 Sep - Wed, 30 Sep

09:25 - 19:15LTN London Luton-ORD Chicago O'Hare Intl

15h 50m1 stop Dublin

21:00 - 15:25ORD Chicago O'Hare Intl-LTN London Luton

12h 25m1 stop Dublin

£653Multiple Airlines

Thu, 17 Sep - Wed, 30 Sep

06:20 - 14:00LTN London Luton-ORD Chicago O'Hare Intl

13h 40m1 stop Dublin

15:45 - 09:15ORD Chicago O'Hare Intl-LTN London Luton

11h 30m1 stop Dublin

£658Multiple Airlines

Fri, 18 Sep - Mon, 21 Sep

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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

Mon 2/11

06:15-14:55

1 stop14h 40m

Chicago O'Hare Intl

Mon 16/11

17:40-13:45

1 stop14h 05m

£529

Fastest return journey

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Sat 3/10

09:00-14:00

1 stop11h 00m

Chicago O'Hare Intl

Sat 10/10

15:45-10:30

1 stop12h 45m

£529

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Mon 2/11

06:15-14:55

1 stop14h 40m

Chicago O'Hare Intl

Mon 16/11

17:40-13:45

1 stop14h 05m

£529

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Thu 19/11

17:20-16:45

2 stops29h 25m

Chicago O'Hare Intl

Wed 2/12

19:15-23:25

2 stops22h 10m

£531

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Mon 2/11

06:15-14:55

1 stop14h 40m

Chicago O'Hare Intl

Mon 16/11

17:40-13:45

1 stop14h 05m

£531

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Mon 2/11

06:15-14:55

1 stop14h 40m

Chicago O'Hare Intl

Mon 16/11

17:40-13:45

1 stop14h 05m

£531

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 30/9

09:15-21:25

2 stops18h 10m

Chicago O'Hare Intl

Wed 7/10

19:25-21:05

2 stops19h 40m

£533

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 14/10

06:15-19:15

1 stop19h 00m

Chicago O'Hare Intl

Thu 15/10

15:45-12:25

1 stop14h 40m

£533

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 14/10

13:50-19:15

1 stop11h 25m

Chicago O'Hare Intl

Wed 21/10

15:45-12:35

1 stop14h 50m

£534

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Thu 3/12

21:30-14:55

1 stop23h 25m

Chicago O'Hare Intl

Mon 7/12

17:40-20:50

1 stop21h 10m

£534

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	£344
Fastest flight time	12h 50m
Direct flights	None

The best one-way flight to Illinois from London Luton Airport in the past 72 hours is £344. The best return flight deal from London Luton Airport to Illinois found on momondo in the last 72 hours is £529.

The fastest flight from London Luton Airport to Illinois takes 12h 50m

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.