Find flights
When to book

Cheap flights from Chicago O'Hare Intl Airport to London Luton Airport from £233

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LTN
25 Aug — 1 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Luton

Enter your travel dates to find the best prices.

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 26 July 2026.

Mon 24/822:25
ORD
-
LTN
2 stops16h 30m
Multiple Airlines
Tue 24/1121:30
LTN
-
ORD
2 stops24h 00m
Multiple Airlines
Deal found 22/7£520
Sun 1/1118:30
ORD
-
LTN
1 stop14h 35m
Multiple Airlines
Sat 7/1107:00
LTN
-
ORD
1 stop16h 20m
Multiple Airlines
Deal found 23/7£523
Tue 29/919:25
ORD
-
LTN
2 stops20h 45m
Multiple Airlines
Sun 4/1009:00
LTN
-
ORD
2 stops15h 15m
Multiple Airlines
Deal found 24/7£525
Sun 11/1022:25
ORD
-
LTN
2 stops17h 55m
Multiple Airlines
Thu 15/1008:30
LTN
-
ORD
2 stops15h 45m
Multiple Airlines
Deal found 24/7£527
Wed 9/919:25
ORD
-
LTN
2 stops20h 50m
Multiple Airlines
Wed 16/908:00
LTN
-
ORD
2 stops34h 40m
Multiple Airlines
Deal found 26/7£527
Fri 25/922:25
ORD
-
LTN
2 stops11h 55m
Multiple Airlines
Sun 27/908:00
LTN
-
ORD
2 stops36h 00m
Multiple Airlines
Deal found 24/7£528
Mon 24/819:25
ORD
-
LTN
2 stops19h 30m
Multiple Airlines
Wed 2/908:00
LTN
-
ORD
2 stops34h 40m
Multiple Airlines
Deal found 24/7£533
Tue 8/911:25
ORD
-
LTN
2 stops26h 30m
Multiple Airlines
Tue 15/915:15
LTN
-
ORD
2 stops24h 25m
Multiple Airlines
Deal found 25/7£533
Mon 14/919:25
ORD
-
LTN
2 stops20h 40m
Multiple Airlines
Wed 30/909:15
LTN
-
ORD
2 stops18h 10m
Multiple Airlines
Deal found 23/7£534

Find 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 26 July 2026.

Round-trip from

£520

One-way from

£233

Popular in

June

Cheapest in

February

Average price

£741
24/8-24/11
  • 24/8-24/11
  • 4 total stops
  • 40h 30m total
  • Chicago to London
Search Deals
14/9
  • 14/9
  • 2 total stops
  • 20h 40m total
  • Chicago to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£163 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 26 July 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 1/11

18:30-15:05

1 stop14h 35m

London Luton

Sun 15/11

06:00-17:20

1 stop17h 20m

£539

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 23/8

19:25-22:20

2 stops20h 55m

London Luton

Tue 1/9

09:40-19:52

2 stops16h 12m

£542

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Thu 17/9

08:45-14:05

2 stops23h 20m

London Luton

Thu 15/10

08:30-18:15

2 stops15h 45m

£560

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 18/9

22:25-16:20

2 stops11h 55m

London Luton

Sat 26/9

16:55-14:00

2 stops27h 05m

£578

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 28/9

16:55-14:05

1 stop15h 10m

London Luton

Fri 2/10

05:55-17:50

2 stops17h 55m

£581

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 28/12

13:55-20:50

2 stops24h 55m

London Luton

Fri 8/1

08:20-17:20

2 stops15h 00m

£594

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 25/10

16:55-09:10

1 stop11h 15m

London Luton

Sun 1/11

21:45-17:20

2 stops25h 35m

£602

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sat 29/8

19:25-17:00

2 stops15h 35m

London Luton

Thu 10/9

12:45-16:00

2 stops33h 15m

£617
Fastest return journey

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Thu 5/11

18:30-13:00

1 stop12h 30m

London Luton

Mon 9/11

08:00-17:20

1 stop15h 20m

£639

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 16/11

15:55-10:45

1 stop12h 50m

London Luton

Wed 25/11

07:45-17:20

2 stops15h 35m

£652

Flights are sorted by cheapest return flights first.

Deals found on 26/7

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to London Luton Airport

How often are flights from Chicago to London delayed?

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

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Tuesday 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 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.

Travelling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Watford
Southend-on-Sea
Kingston upon Thames
Southall
Aylesbury
Dover
Romford
Enfield

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 Stansted flights
O'Hare Intl to London City flights
Midway to Heathrow 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.