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Cheap flights from Chicago O'Hare Intl Airport to London Luton Airport from £255

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LTN
23 Mar — 30 Mar1
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 21 February 2026.

Tue 7/419:25
ORD
-
LTN
2 stops20h 45m
Multiple Airlines
Wed 15/406:15
LTN
-
ORD
2 stops18h 00m
Multiple Airlines
Deal found 18/2£405
Wed 15/421:30
ORD
-
LTN
2 stops17h 45m
Multiple Airlines
Wed 22/406:15
LTN
-
ORD
2 stops17h 35m
Multiple Airlines
Deal found 20/2£405
Tue 28/419:25
ORD
-
LTN
2 stops20h 45m
Multiple Airlines
Tue 5/509:40
LTN
-
ORD
2 stops14h 35m
Multiple Airlines
Deal found 20/2£407
Wed 4/321:00
ORD
-
LTN
1 stop14h 05m
Multiple Airlines
Mon 9/306:00
LTN
-
ORD
1 stop14h 00m
Multiple Airlines
Deal found 19/2£408
Tue 7/419:25
ORD
-
LTN
2 stops20h 45m
Multiple Airlines
Tue 14/409:40
LTN
-
ORD
2 stops14h 35m
Multiple Airlines
Deal found 20/2£409
Wed 8/415:45
ORD
-
LTN
1 stop11h 15m
Multiple Airlines
Wed 22/406:15
LTN
-
ORD
1 stop13h 45m
Multiple Airlines
Deal found 18/2£411
Mon 2/315:50
ORD
-
LTN
1 stop10h 45m
Multiple Airlines
Sun 8/308:05
LTN
-
ORD
1 stop11h 55m
Multiple Airlines
Deal found 20/2£412
Wed 1/415:45
ORD
-
LTN
1 stop11h 15m
Multiple Airlines
Tue 7/409:40
LTN
-
ORD
1 stop15h 35m
Multiple Airlines
Deal found 17/2£413
Wed 1/415:45
ORD
-
LTN
1 stop11h 15m
Multiple Airlines
Wed 8/406:15
LTN
-
ORD
1 stop19h 00m
Multiple Airlines
Deal found 19/2£413
Mon 9/320:20
ORD
-
LTN
2 stops21h 10m
Multiple Airlines
Tue 17/320:50
LTN
-
ORD
2 stops25h 55m
Multiple Airlines
Deal found 21/2£414
Wed 22/418:00
ORD
-
LTN
2 stops22h 40m
Multiple Airlines
Tue 28/417:45
LTN
-
ORD
2 stops28h 15m
Multiple Airlines
Deal found 20/2£417

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 21 February 2026.

Round-trip from

£405

One-way from

£255

Popular in

June

Cheapest in

September

Average price

£492
7/4-15/4
  • 7/4-15/4
  • 4 total stops
  • 38h 45m total
  • Chicago to London
Search Deals
7/7
  • 7/7
  • 1 total stop
  • 17h 45m total
  • Chicago to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 21 February 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

O'Hare Intl

Fly to

Luton

Route

Depart

Return

Price

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 1/4

15:45-09:00

1 stop11h 15m

London Luton

Tue 7/4

09:40-19:15

1 stop15h 35m

£413

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Thu 7/5

19:25-23:25

2 stops22h 00m

London Luton

Tue 12/5

09:40-18:15

2 stops14h 35m

£414

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 8/3

07:25-12:00

3 stops23h 35m

London Luton

Tue 17/3

06:20-22:04

3 stops20h 44m

£425

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 13/4

19:25-22:50

2 stops21h 25m

London Luton

Fri 24/4

06:20-18:15

2 stops17h 55m

£428

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 20/4

08:40-01:10

3 stops34h 30m

London Luton

Tue 28/4

19:55-20:05

3 stops30h 10m

£433

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 8/3

20:20-18:15

2 stops16h 55m

London Luton

Sun 15/3

14:35-17:45

2 stops32h 10m

£486

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sat 25/4

19:25-21:50

2 stops20h 25m

London Luton

Mon 4/5

06:00-18:15

2 stops18h 15m

£489

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 10/4

19:15-23:50

2 stops22h 35m

London Luton

Sun 19/4

12:45-16:10

2 stops33h 25m

£494

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Thu 5/3

21:55-19:55

2 stops16h 00m

London Luton

Fri 13/3

07:45-21:00

2 stops18h 15m

£544

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 12/5

15:45-09:15

1 stop11h 30m

London Luton

Tue 19/5

09:40-19:15

1 stop15h 35m

£555

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 20 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.

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
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Bedford
Crawley
Romford

Browse thousands of different options on Cheapflights for your next trip

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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
O'Hare Intl to Stansted 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.

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