Find flights
When to book

Cheap flights from Chicago O'Hare Intl Airport to London Luton Airport from £171

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LTN
24 Aug — 31 Aug1
1 adult

Cheap flight deals from O'Hare Intl to Luton

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Luton (LTN). 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 19 August 2025.

Round-trip from

£375

One-way from

£171

Popular in

June

Cheapest in

February

Average price

£527
3/12-7/12
  • 3/12-7/12
  • 2 total stops
  • 30h 20m total
  • Chicago to London
Search Deals
10/11
  • 10/11
  • 2 total stops
  • 43h 50m total
  • Chicago to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£111 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from O'Hare Intl to Luton

Cheapest flights from O'Hare Intl to Luton
Explore the most affordable flight options available from O'Hare Intl to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Wed 3/1218:30ORD - LTN
1 stop13h 00mMultiple Airlines
Sun 7/1206:00LTN - ORD
1 stop17h 20mMultiple Airlines
Deal found 16/8£375
Mon 1/1218:30ORD - LTN
1 stop13h 30mMultiple Airlines
Sun 14/1206:00LTN - ORD
1 stop17h 20mMultiple Airlines
Deal found 18/8£376
Sun 9/1118:30ORD - LTN
1 stop14h 20mMultiple Airlines
Thu 13/1106:30LTN - ORD
1 stop16h 50mMultiple Airlines
Deal found 18/8£380
Mon 20/1019:15ORD - LTN
2 stops20h 10mMultiple Airlines
Fri 7/1113:05LTN - ORD
3 stops33h 40mMultiple Airlines
Deal found 16/8£388
Wed 19/1118:30ORD - LTN
1 stop13h 00mMultiple Airlines
Wed 3/1207:30LTN - ORD
1 stop15h 50mMultiple Airlines
Deal found 16/8£389
Thu 30/1020:50ORD - LTN
2 stops16h 25mMultiple Airlines
Fri 7/1114:35LTN - ORD
2 stops32h 10mMultiple Airlines
Deal found 15/8£395
Wed 5/1119:20ORD - LTN
2 stops16h 55mMultiple Airlines
Sat 8/1118:55LTN - ORD
2 stops27h 50mMultiple Airlines
Deal found 17/8£395
Sat 6/1218:30ORD - LTN
1 stop12h 30mMultiple Airlines
Sun 14/1206:00LTN - ORD
1 stop17h 20mMultiple Airlines
Deal found 16/8£397
Wed 5/1118:30ORD - LTN
1 stop19h 45mMultiple Airlines
Wed 12/1107:30LTN - ORD
1 stop15h 50mMultiple Airlines
Deal found 16/8£398
Wed 5/1118:30ORD - LTN
1 stop13h 00mMultiple Airlines
Tue 11/1107:00LTN - ORD
1 stop16h 20mMultiple Airlines
Deal found 16/8£400

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl to Luton 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 19 August 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to London Luton Airport that are best for you.

Fly from

O'Hare Intl

Fly to

Luton

Route

Depart

Return

Price

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 3/12

18:30-13:30

1 stop13h 00m

London Luton

Sun 7/12

06:00-17:20

1 stop17h 20m

£375

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 2/12

18:30-14:25

1 stop13h 55m

London Luton

Sun 7/12

06:00-17:20

1 stop17h 20m

£376

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 1/12

18:30-14:00

1 stop13h 30m

London Luton

Sun 14/12

06:00-17:20

1 stop17h 20m

£376

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 12/11

18:30-13:30

1 stop13h 00m

London Luton

Wed 19/11

07:30-17:20

1 stop15h 50m

£377

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 30/11

18:30-14:50

1 stop14h 20m

London Luton

Sun 14/12

06:00-17:20

1 stop17h 20m

£377

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 9/11

18:30-14:50

1 stop14h 20m

London Luton

Thu 13/11

06:30-17:20

1 stop16h 50m

£380

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 20/10

19:15-21:25

2 stops20h 10m

London Luton

Fri 7/11

13:05-16:45

3 stops33h 40m

£388

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 19/11

18:30-13:30

1 stop13h 00m

London Luton

Wed 3/12

07:30-17:20

1 stop15h 50m

£389

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 10/11

06:40-08:30

2 stops43h 50m

£171

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 3/11

06:40-08:30

2 stops43h 50m

£174

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 19 results
1
2

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

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

Related info for your journey

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

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

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

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

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to Luton 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 Chicago O'Hare Intl Airport to London Luton Airport?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London Luton Airport (average of £76). Flying from Chicago O'Hare Intl Airport to London Luton Airport in July is currently the most expensive (average of £113). 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 London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Gatwick
Slough
Deal
Luton
Wembley
Crawley
Ilford
Hayes
Ipswich
Southend-on-Sea
Winchester
Folkestone
Eastbourne
Maidstone
Watford
Chichester
Dartford

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 O'Hare Intl to Luton

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Gatwick flights
O'Hare Intl to London City flights
Midway to Heathrow flights
O'Hare Intl to Stansted 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 O'Hare Intl to Luton?

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 Luton from O'Hare Intl today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from O'Hare Intl to Luton by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Luton from O'Hare Intl 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 O'Hare Intl to Luton become cheaper?

Of course! You can now track prices for flights from O'Hare Intl to Luton and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.