Find flights
When to book

Cheap flights from London Luton Airport to Chicago O'Hare Intl Airport from £416

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — ORD
19 Aug — 26 Aug1
1 adult

Cheap flight deals from Luton to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) to O'Hare Intl (ORD). 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 14 August 2025.

Round-trip from

£424

One-way from

£416

Popular in

July

Cheapest in

February

Average price

£622
28/8-31/8
  • 28/8-31/8
  • 4 total stops
  • 32h 45m total
  • London to Chicago
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 42h 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 (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Luton to O'Hare Intl

Cheapest flights from Luton to O'Hare Intl
Explore the most affordable flight options available from Luton to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.

Thu 28/808:45LTN - ORD
2 stops18h 30mMultiple Airlines
Sun 31/819:25ORD - LTN
2 stops14h 15mMultiple Airlines
Deal found 12/8£424
Sat 6/908:40LTN - ORD
1 stop16h 20mMultiple Airlines
Sat 13/915:45ORD - LTN
1 stop11h 45mMultiple Airlines
Deal found 13/8£432
Tue 16/913:10LTN - ORD
1 stop11h 50mMultiple Airlines
Tue 30/915:45ORD - LTN
1 stop14h 50mMultiple Airlines
Deal found 11/8£435
Wed 10/910:00LTN - ORD
2 stops35h 55mMultiple Airlines
Wed 17/910:40ORD - LTN
2 stops22h 45mMultiple Airlines
Deal found 13/8£439
Fri 26/911:30LTN - ORD
1 stop13h 30mMultiple Airlines
Fri 3/1021:15ORD - LTN
1 stop12h 30mMultiple Airlines
Deal found 12/8£441
Thu 25/912:35LTN - ORD
1 stop12h 25mMultiple Airlines
Thu 2/1021:15ORD - LTN
1 stop17h 25mMultiple Airlines
Deal found 11/8£443
Fri 12/911:30LTN - ORD
1 stop13h 30mMultiple Airlines
Fri 19/921:15ORD - LTN
1 stop12h 30mMultiple Airlines
Deal found 13/8£444
Mon 22/912:50LTN - ORD
2 stops33h 05mMultiple Airlines
Sun 28/915:35ORD - LTN
2 stops21h 50mMultiple Airlines
Deal found 13/8£458
Sun 5/1009:55LTN - ORD
1 stop15h 05mMultiple Airlines
Sun 12/1021:15ORD - LTN
1 stop18h 15mMultiple Airlines
Deal found 13/8£466
Sat 27/908:40LTN - ORD
1 stop11h 20mMultiple Airlines
Sat 4/1015:45ORD - LTN
1 stop11h 45mMultiple Airlines
Deal found 13/8£469
Tue 4/1107:00LTN - ORD
2 stops16h 20mMultiple Airlines
Tue 11/1118:30ORD - LTN
2 stops17h 20mMultiple Airlines
Deal found 12/8£480
Sun 2/1118:55LTN - ORD
2 stops27h 50mMultiple Airlines
Sun 16/1119:20ORD - LTN
2 stops16h 55mMultiple Airlines
Deal found 11/8£482

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton to O'Hare Intl 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 14 August 2025.
Use the filters below to find and compare flights from London Luton Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Luton

Fly to

O'Hare Intl

Route

Depart

Return

Price

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 5/9

11:30-19:00

1 stop13h 30m

Chicago O'Hare Intl

Mon 8/9

15:45-09:00

1 stop11h 15m

£424

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 28/8

08:45-21:15

2 stops18h 30m

Chicago O'Hare Intl

Sun 31/8

19:25-15:40

2 stops14h 15m

£424

LondonChicago

LTN - ORD

LTNORD

London Luton

Sat 6/9

08:40-19:00

1 stop16h 20m

Chicago O'Hare Intl

Sat 13/9

15:45-09:30

1 stop11h 45m

£432

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 10/9

10:00-15:55

2 stops35h 55m

Chicago O'Hare Intl

Wed 17/9

10:40-15:25

2 stops22h 45m

£439

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 3/10

13:30-19:00

1 stop11h 30m

Chicago O'Hare Intl

Sun 5/10

21:15-15:40

1 stop12h 25m

£439

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 26/9

11:30-19:00

1 stop13h 30m

Chicago O'Hare Intl

Fri 3/10

21:15-15:45

1 stop12h 30m

£441

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 12/9

11:30-19:00

1 stop13h 30m

Chicago O'Hare Intl

Fri 19/9

21:15-15:45

1 stop12h 30m

£444

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 22/9

12:50-15:55

2 stops33h 05m

Chicago O'Hare Intl

Sun 28/9

15:35-19:25

2 stops21h 50m

£457

LondonChicago

LTN - ORD

LTNORD

London Luton

Sun 5/10

09:55-19:00

1 stop15h 05m

Chicago O'Hare Intl

Sun 12/10

21:15-21:30

1 stop18h 15m

£466

LondonChicago

LTN - ORD

LTNORD

London Luton

Sat 27/9

08:40-14:00

1 stop11h 20m

Chicago O'Hare Intl

Sat 4/10

15:45-09:30

1 stop11h 45m

£469

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Luton to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

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

Find hourly flight availability from Luton to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 August 2025.

When flying from London Luton Airport to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Luton to O'Hare Intl. 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 O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Luton to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Luton to O'Hare Intl?

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

  • Can I find deals for business class flights from Luton to O'Hare Intl?

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

  • What is the cheapest month to book a flight from London Luton Airport to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London Luton Airport to Chicago O'Hare Intl Airport (average of £595). Flying from London Luton Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Downers Grove
Elk Grove Village
Rosemont

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.

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 O'Hare Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Luton to O'Hare Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Luton to O'Hare Intl?

Cheapflights helps you find that perfect flight to O'Hare Intl from Luton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Luton to O'Hare Intl with no change fees?

Certainly. Search results for flights to O'Hare Intl from Luton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Luton to O'Hare Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to O'Hare Intl from Luton today and book when prices fit your budget.

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.