Find flights
When to book

Cheap flights from London Luton Airport to Chicago O'Hare Intl Airport from £370

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — ORD
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to O'Hare Intl

Enter your travel dates to find the best prices.

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 12 August 2026.

Tue 1/909:40 -
2 stops14h 35m
Tue 8/919:25 -
2 stops14h 05m
Deal found 11/8£474
Thu 3/913:00 -
1 stop12h 15m
Sun 6/915:45 -
1 stop13h 40m
Deal found 10/8£480
Sat 5/909:00 -
1 stop16h 15m
Sat 19/915:45 -
1 stop10h 35m
Deal found 8/8£481
Wed 21/1006:15 -
1 stop13h 45m
Sun 25/1016:55 -
1 stop11h 15m
Deal found 9/8£481
Mon 7/908:15 -
1 stop11h 45m
Mon 21/915:45 -
1 stop11h 30m
Deal found 8/8£484
Mon 7/908:15 -
1 stop11h 45m
Mon 14/915:45 -
1 stop11h 30m
Deal found 10/8£487

Find 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 12 August 2026.

Round-trip from

£474

One-way from

£370

Popular in

July

Cheapest in

February

Average price

£692
1/9-8/9
  • 1/9-8/9
  • 4 total stops
  • 28h 40m total
  • London to Chicago
Search Deals
8/12
  • 8/12
  • 2 total stops
  • 15h 35m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£84 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 August 2026
Search Deals

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 12 August 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 16/9

13:50-19:15

1 stop11h 25m

Chicago O'Hare Intl

Wed 23/9

21:00-15:25

1 stop12h 25m

£485
Fastest return journey

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Mon 7/9

08:15-14:00

1 stop11h 45m

Chicago O'Hare Intl

Mon 14/9

15:45-09:15

1 stop11h 30m

£487

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Thu 15/10

13:00-19:15

1 stop12h 15m

Chicago O'Hare Intl

Sun 18/10

15:45-11:25

1 stop13h 40m

£490

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 30/9

18:10-12:40

2 stops24h 30m

Chicago O'Hare Intl

Thu 15/10

18:00-18:10

2 stops18h 10m

£512

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 28/10

21:45-18:20

2 stops25h 35m

Chicago O'Hare Intl

Wed 4/11

18:30-16:15

2 stops15h 45m

£515

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Thu 8/10

06:20-19:50

2 stops19h 30m

Chicago O'Hare Intl

Tue 13/10

21:50-23:45

2 stops19h 55m

£529

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 7/10

18:30-19:50

2 stops31h 20m

Chicago O'Hare Intl

Fri 16/10

17:10-18:35

2 stops19h 25m

£535

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Thu 10/9

06:20-15:05

1 stop14h 45m

Chicago O'Hare Intl

Thu 17/9

17:10-11:50

1 stop12h 40m

£561

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 9/9

18:10-13:10

2 stops25h 00m

Chicago O'Hare Intl

Wed 30/9

15:00-19:00

2 stops22h 00m

£570

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Mon 14/12

15:35-17:20

1 stop31h 45m

Chicago O'Hare Intl

Wed 30/12

18:30-23:10

1 stop22h 40m

£573

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 22 resultsSorted by cheapest first
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

How often are flights from London to Chicago delayed?

About 0% of weekly flights between London and Chicago have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for London to Chicago flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

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.

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
Elk Grove Village

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.