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.

In terms of precipitation, rainfall in London Luton Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Luton Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Luton Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

How far in advance should I book a flight from Chicago O'Hare Intl Airport to London Luton Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 60 days in advance, which can save you up to 11% on flights from Chicago O'Hare Intl Airport to London Luton Airport compared to booking the week you need them. Waiting 60 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £485. For sooner than that we have options available in the next 3 days from £522.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to London Luton Airport?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to London Luton Airport. Flights to London Luton Airport from Chicago O'Hare Intl Airport in February are about £557 on average during February, but can be found for as low as £347.

What is the cheapest time of day to fly from ORD to LTN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to London Luton Airport as you normally would.

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.

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

Cheap flight deals from O'Hare Intl to Luton

Round-trip from	£375
One-way from	£171
Popular in	June
Cheapest in	February
Average price	£485

5/11-12/11
4 total stops
39h 05m total
Chicago to London

Search Deals

12/11
2 total stops
19h 55m total
Chicago to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£112 potential increase over avg. return price).

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Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).

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Average for round-trip flights in September 2025

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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 16 September 2025.

Wed 5/1118:30ORD - LTN

2 stops22h 35mMultiple Airlines

Wed 12/1106:50LTN - ORD

2 stops16h 30mMultiple Airlines

Deal found 15/9£375

Wed 26/1118:30ORD - LTN

2 stops21h 50mMultiple Airlines

Tue 2/1206:50LTN - ORD

2 stops16h 30mMultiple Airlines

Deal found 14/9£376

Wed 3/1218:30ORD - LTN

2 stops22h 35mMultiple Airlines

Tue 9/1209:00LTN - ORD

2 stops14h 20mMultiple Airlines

Deal found 14/9£377

Fri 28/1118:30ORD - LTN

2 stops15h 45mMultiple Airlines

Fri 5/1205:50LTN - ORD

2 stops17h 30mMultiple Airlines

Deal found 14/9£377

Fri 7/1118:30ORD - LTN

2 stops14h 55mMultiple Airlines

Sun 9/1108:05LTN - ORD

2 stops15h 15mMultiple Airlines

Deal found 13/9£378

Wed 5/1118:30ORD - LTN

2 stops16h 35mMultiple Airlines

Sun 9/1108:05LTN - ORD

2 stops15h 15mMultiple Airlines

Deal found 14/9£382

Mon 6/1008:40ORD - LTN

2 stops21h 40mMultiple Airlines

Tue 14/1018:10LTN - ORD

2 stops27h 45mMultiple Airlines

Deal found 14/9£383

Sun 2/1119:20ORD - LTN

2 stops20h 40mMultiple Airlines

Fri 7/1120:55LTN - ORD

2 stops25h 50mMultiple Airlines

Deal found 14/9£389

Sun 9/1119:20ORD - LTN

2 stops20h 40mMultiple Airlines

Sat 15/1106:00LTN - ORD

2 stops16h 45mMultiple Airlines

Deal found 14/9£394

Wed 29/1016:50ORD - LTN

1 stop10h 45mMultiple Airlines

Wed 5/1106:50LTN - ORD

1 stop17h 05mMultiple Airlines

Deal found 14/9£396

Tue 28/1014:00ORD - LTN

2 stops14h 45mMultiple Airlines

Thu 6/1120:00LTN - ORD

2 stops29h 30mMultiple Airlines

Deal found 14/9£397

Best flights from O'Hare Intl to Luton
Discover carefully curated flight deals from O'Hare Intl to Luton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Wed 3/1218:30ORD - LTN

2 stops22h 35mMultiple Airlines

Tue 9/1209:00LTN - ORD

2 stops14h 20mMultiple Airlines

Deal found 14/9£377

Sun 9/1119:20ORD - LTN

2 stops20h 40mMultiple Airlines

Sat 15/1106:00LTN - ORD

2 stops16h 45mMultiple Airlines

Deal found 14/9£394

Wed 29/1016:50ORD - LTN

1 stop10h 45mMultiple Airlines

Wed 5/1106:50LTN - ORD

1 stop17h 05mMultiple Airlines

Deal found 14/9£396

Wed 21/118:30ORD - LTN

1 stop12h 25mMultiple Airlines

Tue 27/107:00LTN - ORD

1 stop16h 20mMultiple Airlines

Deal found 15/9£400

Tue 18/1118:30ORD - LTN

1 stop14h 20mMultiple Airlines

Sun 23/1106:00LTN - ORD

1 stop17h 20mMultiple Airlines

Deal found 14/9£422

Wed 26/1118:50ORD - LTN

2 stops22h 15mMultiple Airlines

Fri 5/1205:50LTN - ORD

2 stops15h 20mMultiple Airlines

Deal found 15/9£423

Sun 26/1019:30ORD - LTN

1 stop14h 20mMultiple Airlines

Wed 5/1108:00LTN - ORD

1 stop15h 20mMultiple Airlines

Deal found 15/9£443

Mon 29/915:35ORD - LTN

2 stops18h 25mMultiple Airlines

Mon 6/1021:55LTN - ORD

2 stops22h 53mMultiple Airlines

Deal found 15/9£453

Wed 31/1215:50ORD - LTN

1 stop10h 45mMultiple Airlines

Fri 9/110:25LTN - ORD

1 stop14h 50mMultiple Airlines

Deal found 14/9£462

Tue 14/1008:40ORD - LTN

3 stops21h 40mMultiple Airlines

Sun 19/1018:25LTN - ORD

2 stops27h 30mMultiple Airlines

Deal found 13/9£467

Last-minute flights from O'Hare Intl to Luton
Discover last-minute flight deals from O'Hare Intl to Luton. Data last updated 16 September 2025 and is based on user searches.

Mon 22/919:05ORD - LTN

2 stops22h 15mMultiple Airlines

Tue 30/907:00LTN - ORD

2 stops32h 51mMultiple Airlines

Deal found 15/9£403

Mon 6/1008:40ORD - LTN

2 stops21h 40mMultiple Airlines

Tue 14/1018:10LTN - ORD

2 stops27h 45mMultiple Airlines

Deal found 14/9£383

Mon 6/1008:40ORD - LTN

2 stops21h 40mMultiple Airlines

Sun 12/1012:50LTN - ORD

2 stops30h 30mMultiple Airlines

Deal found 15/9£409

Mon 13/1016:20ORD - LTN

2 stops24h 40mMultiple Airlines

Mon 20/1016:00LTN - ORD

2 stops27h 20mMultiple Airlines

Deal found 15/9£411

Tue 14/1014:00ORD - LTN

2 stops16h 35mMultiple Airlines

Tue 21/1021:50LTN - ORD

2 stops23h 14mMultiple Airlines

Deal found 15/9£419

Wed 15/1015:45ORD - LTN

1 stop10h 25mMultiple Airlines

Wed 22/1010:00LTN - ORD

1 stop15h 00mMultiple Airlines

Deal found 15/9£431

Mon 27/1016:50ORD - LTN

1 stop10h 45mMultiple Airlines

Wed 5/1106:50LTN - ORD

1 stop13h 10mMultiple Airlines

Deal found 15/9£429

Tue 28/1014:00ORD - LTN

2 stops14h 45mMultiple Airlines

Thu 6/1120:00LTN - ORD

2 stops29h 30mMultiple Airlines

Deal found 14/9£397

Wed 29/1016:50ORD - LTN

1 stop10h 45mMultiple Airlines

Wed 5/1106:50LTN - ORD

1 stop17h 05mMultiple Airlines

Deal found 14/9£396

One-way flights from O'Hare Intl to Luton
Search for one-way flight options from O'Hare Intl to Luton. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Wed 12/1119:10ORD - LTN

2 stops19h 55mMultiple Airlines

Deal found 13/9£171

Wed 5/1119:10ORD - LTN

2 stops21h 10mMultiple Airlines

Deal found 15/9£174

Thu 16/1018:00ORD - LTN

2 stops23h 00mMultiple Airlines

Deal found 14/9£180

Mon 23/210:15ORD - LTN

2 stops30h 05mMultiple Airlines

Deal found 15/9£182

Sat 18/1018:15ORD - LTN

2 stops23h 25mMultiple Airlines

Deal found 15/9£182

Tue 11/1106:40ORD - LTN

3 stops25h 20mMultiple Airlines

Deal found 16/9£188

Mon 10/1111:24ORD - LTN

3 stops39h 06mMultiple Airlines

Deal found 16/9£188

Mon 17/1106:40ORD - LTN

2 stops43h 50mMultiple Airlines

Deal found 15/9£189

Sun 19/1018:00ORD - LTN

2 stops36h 20mMultiple Airlines

Deal found 15/9£191

Thu 23/1018:00ORD - LTN

2 stops20h 55mMultiple Airlines

Deal found 15/9£193

Cheapflights Fare Finder

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

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 3/12

18:30-23:05

2 stops22h 35m

London Luton

Tue 9/12

09:00-17:20

2 stops14h 20m

£377

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 9/11

19:20-22:00

2 stops20h 40m

London Luton

Sat 15/11

06:00-16:45

2 stops16h 45m

£394

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 29/10

16:50-08:35

1 stop10h 45m

London Luton

Wed 5/11

06:50-17:55

1 stop17h 05m

£396

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 21/1

18:30-12:55

1 stop12h 25m

London Luton

Tue 27/1

07:00-17:20

1 stop16h 20m

£400

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 18/11

18:30-14:50

1 stop14h 20m

London Luton

Sun 23/11

06:00-17:20

1 stop17h 20m

£422

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 26/11

18:50-23:05

2 stops22h 15m

London Luton

Fri 5/12

05:50-15:10

2 stops15h 20m

£423

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 26/10

19:30-14:50

1 stop14h 20m

London Luton

Wed 5/11

08:00-17:20

1 stop15h 20m

£443

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 29/9

15:35-16:00

2 stops18h 25m

London Luton

Mon 6/10

21:55-14:48

2 stops22h 53m

£453

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 31/12

15:50-08:35

1 stop10h 45m

London Luton

Fri 9/1

10:25-19:15

1 stop14h 50m

£462

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 14/10

08:40-12:20

3 stops21h 40m

London Luton

Sun 19/10

18:25-15:55

2 stops27h 30m

£467

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 21 results

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

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

Milton Keynes

Croydon

Hounslow

Slough

Gatwick

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Winchester

Chichester

Ipswich

Dartford

Guildford

Brentford

Bishop's Stortford

Romford

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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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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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from O'Hare Intl to Luton

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from O'Hare Intl to Luton

Cheapest flights from O'Hare Intl to LutonExplore 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 16 September 2025.

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 16 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to London Luton Airport that are best for you.

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.

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?

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

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

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to London Luton Airport?

Travelling to a place near London Luton Airport?

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Alternative routes for O'Hare Intl to Luton

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How does Cheapflights help users find flights from O'Hare Intl to Luton?

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

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

Can Cheapflights notify me if prices for flights from O'Hare Intl to Luton become cheaper?

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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 16 September 2025.