Find flights
When to book

Cheap flights from London Luton Airport to Chicago from £400

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — CHI
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Find flight deals from Luton to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Luton to Chicago
Explore the most affordable flight options available from Luton to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.

Fri 5/1205:50LTN - ORD
1 stop14h 10mMultiple Airlines
Fri 12/1219:40ORD - LTN
1 stop14h 35mMultiple Airlines
Deal found 21/10£412
Mon 24/1108:50LTN - ORD
1 stop15h 05mMultiple Airlines
Mon 1/1215:50ORD - LTN
1 stop10h 45mMultiple Airlines
Deal found 20/10£413
Thu 13/1109:00LTN - ORD
1 stop11h 00mMultiple Airlines
Fri 28/1119:40ORD - LTN
1 stop14h 35mMultiple Airlines
Deal found 20/10£415
Sat 22/1109:20LTN - ORD
2 stops35h 00mMultiple Airlines
Sat 6/1217:20ORD - LTN
2 stops23h 05mMultiple Airlines
Deal found 20/10£418
Thu 6/1109:00LTN - ORD
2 stops14h 20mMultiple Airlines
Wed 12/1118:30ORD - LTN
2 stops16h 35mMultiple Airlines
Deal found 20/10£419
Fri 21/1120:55LTN - ORD
2 stops25h 50mMultiple Airlines
Sun 30/1119:20ORD - LTN
2 stops20h 40mMultiple Airlines
Deal found 20/10£428
Thu 13/1109:00LTN - ORD
1 stop11h 00mMultiple Airlines
Sun 23/1115:50ORD - LTN
1 stop11h 05mMultiple Airlines
Deal found 20/10£437
Thu 4/1206:50LTN - ORD
2 stops17h 35mMultiple Airlines
Mon 8/1218:50ORD - LTN
2 stops21h 30mMultiple Airlines
Deal found 21/10£441
Fri 7/1105:50LTN - ORD
1 stop14h 10mMultiple Airlines
Mon 10/1115:50ORD - LTN
1 stop10h 45mMultiple Airlines
Deal found 21/10£442
Mon 3/1106:00LTN - ORD
1 stop14h 00mMultiple Airlines
Mon 10/1115:50ORD - LTN
1 stop10h 45mMultiple Airlines
Deal found 20/10£445
Thu 4/1209:00LTN - ORD
1 stop11h 00mMultiple Airlines
Thu 11/1215:50ORD - LTN
1 stop10h 55mMultiple Airlines
Deal found 20/10£448

Cheap flight deals from Luton to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 October 2025.

Round-trip from

£412

One-way from

£400

Popular in

July

Cheapest in

February

Average price

£543
5/12-12/12
  • 5/12-12/12
  • 2 total stops
  • 28h 45m total
  • London to Chicago
Search Deals
16/1
  • 16/1
  • 1 total stop
  • 28h 20m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton to Chicago 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 22 October 2025.
Use the filters below to find and compare flights from London Luton Airport to Chicago that are best for you.

Fly from

Luton

Fly to

Chicago

Route

Depart

Return

Price

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 5/12

05:50-14:00

1 stop14h 10m

Chicago O'Hare Intl

Fri 12/12

19:40-16:15

1 stop14h 35m

£412

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 24/11

08:50-17:55

1 stop15h 05m

Chicago O'Hare Intl

Mon 1/12

15:50-08:35

1 stop10h 45m

£413

LondonChicago

LTN - ORD

LTNORD

London Luton

Sat 22/11

09:20-14:20

2 stops35h 00m

Chicago O'Hare Intl

Sat 6/12

17:20-22:25

2 stops23h 05m

£418

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 6/11

09:00-14:00

1 stop11h 00m

Chicago O'Hare Intl

Wed 12/11

19:40-17:05

1 stop15h 25m

£435

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 7/11

05:50-14:00

1 stop14h 10m

Chicago O'Hare Intl

Mon 10/11

15:50-08:35

1 stop10h 45m

£442

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 19/11

06:50-14:00

1 stop13h 10m

Chicago O'Hare Intl

Wed 26/11

19:40-17:05

1 stop15h 25m

£442

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 4/12

17:00-13:10

2 stops26h 10m

Chicago O'Hare Intl

Thu 11/12

18:50-23:00

2 stops22h 10m

£451

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 6/11

15:30-16:45

2 stops31h 15m

Chicago O'Hare Intl

Thu 13/11

19:20-17:15

2 stops15h 55m

£510

LondonChicago

LTN - ORD

LTNORD

London Luton

Sun 16/11

08:05-17:55

1 stop15h 50m

Chicago O'Hare Intl

Tue 18/11

15:50-09:45

1 stop11h 55m

£533

LondonChicago

LTN - ORD

LTNORD

London Luton

Sun 28/12

08:05-17:55

1 stop15h 50m

Chicago O'Hare Intl

Sun 11/1

21:00-22:00

1 stop19h 00m

£535

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Luton to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Luton 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 London Luton Airport to Chicago

What is the cheapest time of day to fly from LTN to CHI?

Find hourly flight availability from Luton to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 October 2025.

It’s optimal to fly from London Luton Airport to Chicago at midday. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the evening.

Related info for your journey

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

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

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

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

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

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

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

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 Luton to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to O'Hare Intl flights
Heathrow to Midway flights
Gatwick to O'Hare Intl flights
London City to O'Hare Intl flights
Stansted to O'Hare Intl flights
Luton to O'Hare Intl flights
Heathrow to St. Louis flights
Gatwick to Midway flights
Gatwick to St. Louis flights
London City to St. Louis flights
London City to Midway flights
Southend to O'Hare Intl flights
Luton to St. Louis flights
Heathrow to Moline flights
Stansted to St. Louis flights
London City to Moline flights
Heathrow to Peoria flights
Heathrow to Champaign flights
Heathrow to Springfield flights
Heathrow to Evansville flights
London City to Peoria flights
London City to Evansville flights
Gatwick to Evansville flights
Heathrow to Dubuque flights
Gatwick to Champaign 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 Luton to Chicago?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Chicago from Luton today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Luton to Chicago for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Chicago from Luton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.