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Luton

$355+ Cheap flights from Chicago (CHI) to Luton (LTN)

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LTN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Chicago to Luton

Cheapest flights from Chicago to Luton
Explore the most affordable flight options available from Chicago to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:20 pm
ORD
-
LTN
2 stops21h 45m
Multiple Airlines
Sat 2/76:00 am
LTN
-
ORD
2 stops16h 45m
Multiple Airlines
Deal found 1/20$523
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:00 pm
ORD
-
LTN
1 stop17h 05m
Multiple Airlines
Tue 3/109:00 am
LTN
-
ORD
1 stop14h 55m
Multiple Airlines
Deal found 1/20$529
This Kiwi.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:45 pm
ORD
-
LTN
1 stop9h 55m
Multiple Airlines
Tue 4/211:10 pm
LTN
-
ORD
1 stop12h 05m
Multiple Airlines
Deal found 1/19$530
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:00 pm
ORD
-
LTN
1 stop18h 40m
Multiple Airlines
Wed 4/86:15 am
LTN
-
ORD
1 stop13h 45m
Multiple Airlines
Deal found 1/21$532
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:45 pm
ORD
-
LTN
1 stop11h 30m
Multiple Airlines
Tue 4/211:10 pm
LTN
-
ORD
1 stop12h 05m
Multiple Airlines
Deal found 1/21$533
This Kiwi.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:00 pm
ORD
-
LTN
1 stop10h 25m
Multiple Airlines
Wed 4/226:15 am
LTN
-
ORD
1 stop13h 45m
Multiple Airlines
Deal found 1/19$535
This Kiwi.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:00 pm
ORD
-
LTN
1 stop18h 35m
Multiple Airlines
Wed 4/226:15 am
LTN
-
ORD
1 stop13h 45m
Multiple Airlines
Deal found 1/19$537
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:45 pm
ORD
-
LTN
1 stop11h 30m
Multiple Airlines
Tue 4/141:10 pm
LTN
-
ORD
1 stop12h 05m
Multiple Airlines
Deal found 1/20$539
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:45 pm
ORD
-
LTN
1 stop14h 50m
Multiple Airlines
Wed 4/156:15 am
LTN
-
ORD
1 stop13h 45m
Multiple Airlines
Deal found 1/20$541
This Mytrip deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/203:55 pm
ORD
-
LTN
2 stops18h 20m
Multiple Airlines
Fri 2/275:50 am
LTN
-
ORD
2 stops17h 58m
Multiple Airlines
Deal found 1/21$542
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/234:50 pm
ORD
-
LTN
1 stop10h 45m
Multiple Airlines
Thu 4/91:00 pm
LTN
-
ORD
1 stop12h 15m
Multiple Airlines
Deal found 1/21$543
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:50 pm
ORD
-
LTN
3 stops18h 15m
Multiple Airlines
Tue 3/315:40 am
LTN
-
ORD
2 stops19h 45m
Multiple Airlines
Deal found 1/20$544

Find flight deals from Chicago to Luton

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 January 21, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$523
(Mytrip)

One-way from

$355
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$666
Provider with most accurate pricing for Chicago (CHI)-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-London (LON) flights.
Search Deals
From Chicago (CHI) to London Luton
Search Deals
One-way flight from Chicago (CHI) to London Luton
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Chicago to London Luton Airport that are best for you.

Fly from

Chicago

Fly to

Luton

Route

Depart

Return

Price

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 4/13

3:45 pm-7:40 am

1 stop9h 55m

London Luton

Tue 4/21

1:10 pm-7:15 pm

1 stop12h 05m

$530

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 4/22

3:45 pm-12:35 pm

1 stop14h 50m

London Luton

Wed 4/29

6:15 am-2:00 pm

1 stop13h 45m

$530

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 3/25

4:50 pm-8:35 am

1 stop10h 45m

London Luton

Tue 3/31

1:10 pm-7:15 pm

1 stop12h 05m

$533

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 4/14

3:45 pm-9:15 am

1 stop11h 30m

London Luton

Tue 4/21

1:10 pm-7:15 pm

1 stop12h 05m

$533

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 4/15

9:00 pm-9:35 pm

1 stop18h 35m

London Luton

Wed 4/22

6:15 am-2:00 pm

1 stop13h 45m

$537

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 4/14

7:25 pm-12:55 pm

1 stop11h 30m

London Luton

Wed 4/22

6:15 am-6:15 pm

1 stop18h 00m

$557

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 3/17

10:50 pm-10:25 pm

2 stops18h 35m

London Luton

Tue 3/31

5:40 am-7:25 pm

2 stops19h 45m

$572

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 3/2

3:50 pm-8:35 am

1 stop10h 45m

London Luton

Mon 3/9

6:00 am-3:00 pm

1 stop14h 00m

$579

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Thu 3/5

10:00 am-4:00 pm

2 stops24h 00m

London Luton

Thu 3/12

8:00 pm-7:45 pm

2 stops28h 45m

$580

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sat 2/14

7:20 pm-8:15 pm

3 stops18h 55m

London Luton

Sat 2/21

6:00 am-4:45 pm

2 stops16h 45m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 33 results
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Best time to book a flight from Chicago to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Chicago with our price prediction graph.
Estimated round-trip 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 to London Luton Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago to Luton that include hotel bookings?

    Yes. In addition to deals on Chicago to Luton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Luton?

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

  • Can I find deals for business class flights from Chicago to Luton?

    Yes. Cheapflights offers flight deals from Chicago 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.

Traveling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chicago to Luton

See prices for flight routes from nearby airports that may be better suited for you.
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