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Cheap flights from Chicago O'Hare Intl Airport to London Luton Airport from £320

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LTN
25 Jun — 2 Jul1
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 May 2026.

Tue 1/919:25
ORD
-
LTN
2 stops20h 45m
Multiple Airlines
Tue 29/905:00
LTN
-
ORD
3 stops43h 15m
Multiple Airlines
Deal found 21/5£652
Wed 3/614:15
ORD
-
LTN
2 stops26h 05m
Multiple Airlines
Sat 6/618:15
LTN
-
ORD
2 stops27h 45m
Multiple Airlines
Deal found 23/5£654
Tue 23/614:15
ORD
-
LTN
2 stops22h 15m
Multiple Airlines
Tue 30/614:45
LTN
-
ORD
2 stops30h 00m
Multiple Airlines
Deal found 21/5£655
Mon 12/1015:45
ORD
-
LTN
2 stops16h 00m
Multiple Airlines
Sun 18/1008:00
LTN
-
ORD
2 stops36h 00m
Multiple Airlines
Deal found 24/5£656
Wed 4/1115:55
ORD
-
LTN
2 stops15h 35m
Multiple Airlines
Mon 9/1121:45
LTN
-
ORD
3 stops47h 45m
Multiple Airlines
Deal found 25/5£657
Sun 14/609:55
ORD
-
LTN
2 stops30h 25m
Multiple Airlines
Mon 22/605:40
LTN
-
ORD
3 stops37h 42m
Multiple Airlines
Deal found 24/5£657
Mon 17/819:15
ORD
-
LTN
2 stops21h 45m
Multiple Airlines
Mon 24/813:00
LTN
-
ORD
2 stops33h 10m
Multiple Airlines
Deal found 26/5£658
Wed 15/709:50
ORD
-
LTN
2 stops31h 05m
Multiple Airlines
Wed 22/708:55
LTN
-
ORD
2 stops14h 02m
Multiple Airlines
Deal found 25/5£659
Tue 2/608:50
ORD
-
LTN
2 stops32h 00m
Multiple Airlines
Thu 11/617:30
LTN
-
ORD
2 stops28h 30m
Multiple Airlines
Deal found 22/5£660
Wed 22/711:05
ORD
-
LTN
2 stops22h 20m
Multiple Airlines
Wed 29/706:15
LTN
-
ORD
2 stops14h 40m
Multiple Airlines
Deal found 23/5£660
Wed 3/614:15
ORD
-
LTN
2 stops26h 00m
Multiple Airlines
Wed 30/908:00
LTN
-
ORD
2 stops34h 40m
Multiple Airlines
Deal found 21/5£662

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 May 2026.

Round-trip from

£652

One-way from

£320

Popular in

June

Cheapest in

February

Average price

£694
1/9-29/9
  • 1/9-29/9
  • 5 total stops
  • 64h 00m total
  • Chicago to London
Search Deals
4/7
  • 4/7
  • 3 total stops
  • 21h 00m total
  • Chicago to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£153 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 May 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

Wed 4/11

15:55-13:30

2 stops15h 35m

London Luton

Mon 9/11

21:45-15:30

3 stops47h 45m

£657

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 10/8

22:25-22:50

3 stops18h 25m

London Luton

Mon 17/8

18:05-19:52

3 stops31h 47m

£674

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 23/9

21:00-19:50

3 stops16h 50m

London Luton

Wed 30/9

08:00-12:40

2 stops34h 40m

£681

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sat 5/9

15:45-08:20

1 stop10h 35m

London Luton

Thu 17/9

09:25-19:15

1 stop15h 50m

£683

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 8/9

14:15-22:50

2 stops26h 35m

London Luton

Sat 12/9

09:00-19:48

2 stops16h 48m

£691

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 14/7

22:25-18:30

2 stops14h 05m

London Luton

Thu 23/7

07:05-22:05

2 stops21h 00m

£711

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 2/10

18:00-18:40

1 stop18h 40m

London Luton

Sun 11/10

07:35-16:00

1 stop14h 25m

£720

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 1/7

09:50-15:45

2 stops23h 55m

London Luton

Tue 7/7

07:55-16:57

2 stops15h 02m

£764

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 6/7

22:30-23:00

2 stops18h 30m

London Luton

Tue 14/7

05:40-18:15

2 stops18h 35m

£764
Fastest return journey

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Thu 15/10

15:45-09:30

1 stop11h 45m

London Luton

Mon 19/10

12:25-19:15

1 stop12h 50m

£770

Flights are sorted by cheapest return flights first.

Deals found on 25/5

Showing 1-10 of 21 resultsSorted by cheapest first
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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
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Romford
Guildford
Borehamwood
Southall
Southend-on-Sea

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

Fly with Cheapflights

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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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