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Cheap flights from London Luton Airport to Chicago O'Hare Intl Airport from £361

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — ORD
27 Apr — 4 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from Luton to O'Hare Intl
Explore the most affordable flight options available from Luton to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2026.

Wed 22/406:15
LTN
-
ORD
2 stops18h 00m
Multiple Airlines
Wed 29/419:25
ORD
-
LTN
2 stops19h 50m
Multiple Airlines
Deal found 25/3£495
Tue 21/409:40
LTN
-
ORD
2 stops14h 35m
Multiple Airlines
Tue 28/419:25
ORD
-
LTN
2 stops20h 45m
Multiple Airlines
Deal found 24/3£499
Wed 15/406:15
LTN
-
ORD
1 stop19h 00m
Multiple Airlines
Fri 24/415:45
ORD
-
LTN
1 stop19h 40m
Multiple Airlines
Deal found 26/3£519
Tue 21/413:10
LTN
-
ORD
1 stop12h 05m
Multiple Airlines
Thu 23/421:00
ORD
-
LTN
1 stop20h 25m
Multiple Airlines
Deal found 25/3£522
Mon 27/412:45
LTN
-
ORD
2 stops31h 30m
Multiple Airlines
Mon 11/516:50
ORD
-
LTN
2 stops19h 15m
Multiple Airlines
Deal found 27/3£524
Wed 10/606:15
LTN
-
ORD
2 stops21h 10m
Multiple Airlines
Tue 29/919:25
ORD
-
LTN
2 stops21h 25m
Multiple Airlines
Deal found 28/3£528
Mon 4/508:15
LTN
-
ORD
2 stops16h 00m
Multiple Airlines
Tue 12/519:25
ORD
-
LTN
2 stops14h 05m
Multiple Airlines
Deal found 23/3£529
Wed 6/506:15
LTN
-
ORD
2 stops19h 10m
Multiple Airlines
Wed 27/509:55
ORD
-
LTN
3 stops20h 40m
Multiple Airlines
Deal found 28/3£531
Thu 23/413:00
LTN
-
ORD
1 stop12h 15m
Multiple Airlines
Sun 26/421:00
ORD
-
LTN
1 stop12h 25m
Multiple Airlines
Deal found 24/3£535

Find flight deals from Luton to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) to O'Hare Intl (ORD). 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 28 March 2026.

Round-trip from

£495

One-way from

£361

Popular in

July

Cheapest in

September

Average price

£564
22/4-29/4
  • 22/4-29/4
  • 4 total stops
  • 37h 50m total
  • London to Chicago
Search Deals
16/6
  • 16/6
  • 1 total stop
  • 36h 25m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton to O'Hare Intl 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 28 March 2026.
Use the filters below to find and compare flights from London Luton Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 4/5

08:15-18:15

2 stops16h 00m

Chicago O'Hare Intl

Tue 12/5

19:25-15:30

2 stops14h 05m

£529

LondonChicago

LTN - ORD

LTNORD

London Luton

Sun 10/5

09:00-19:15

1 stop16h 15m

Chicago O'Hare Intl

Sun 17/5

21:00-13:25

1 stop10h 25m

£542

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 23/4

09:25-18:15

2 stops14h 50m

Chicago O'Hare Intl

Thu 30/4

19:25-23:25

2 stops22h 00m

£556
Fastest return journey

LondonChicago

LTN - ORD

LTNORD

London Luton

Tue 12/5

13:10-19:15

1 stop12h 05m

Chicago O'Hare Intl

Tue 19/5

15:45-09:15

1 stop11h 30m

£559

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 28/5

13:00-19:15

1 stop12h 15m

Chicago O'Hare Intl

Thu 4/6

21:00-16:45

1 stop13h 45m

£610

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 24/4

17:50-16:05

2 stops28h 15m

Chicago O'Hare Intl

Thu 30/4

16:20-17:45

3 stops19h 25m

£626

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 20/5

06:15-09:05

3 stops32h 50m

Chicago O'Hare Intl

Mon 25/5

15:50-12:45

2 stops14h 55m

£646

LondonChicago

LTN - ORD

LTNORD

London Luton

Sat 25/4

08:25-19:50

1 stop17h 25m

Chicago O'Hare Intl

Tue 5/5

17:10-14:25

1 stop15h 15m

£664

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 11/5

06:05-19:15

2 stops19h 10m

Chicago O'Hare Intl

Mon 18/5

15:45-13:15

2 stops15h 30m

£668

LondonChicago

LTN - ORD

LTNORD

London Luton

Tue 14/4

16:10-16:00

3 stops29h 50m

Chicago O'Hare Intl

Tue 12/5

17:10-15:30

3 stops16h 20m

£714

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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

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

How often are flights from London to Chicago delayed?

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

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

Wednesday tends to have the lowest number of delays on this route, whereas Wednesday 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 Luton to O'Hare Intl. 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 Luton to O'Hare Intl that include hotel bookings?

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

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

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

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

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

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Elk Grove Village

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Luton to O'Hare Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to O'Hare Intl from Luton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to O'Hare Intl from Luton today and book when prices fit your budget.

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