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Luton

$386+ Cheap flights from St. Louis (STL) 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LTN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from St. Louis to Luton

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 August 14, 2025.

Round-trip from

$789
(Mytrip)

One-way from

$386
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$799
From Lambert-St Louis to London Luton
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One-way flight from Lambert-St Louis to London Luton
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Highest demand for flights based on searches. 21% potential increase in price ($249 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from St. Louis to Luton

Cheapest flights from St. Louis to Luton
Explore the most affordable flight options available from St. Louis to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/11. 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 10/179:15 amSTL - LTN
3 stops22h 30mMultiple Airlines
Tue 10/217:00 amLTN - STL
2 stops18h 38mMultiple Airlines
Deal found 8/11$789
This Mytrip deal was found by Cheapflights users on 8/11. 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 9/31:30 pmSTL - LTN
2 stops13h 45mMultiple Airlines
Wed 9/106:05 amLTN - STL
2 stops19h 52mMultiple Airlines
Deal found 8/11$926
This Mytrip deal was found by Cheapflights users on 8/11. 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 10/151:30 pmSTL - LTN
2 stops13h 45mMultiple Airlines
Mon 10/206:05 amLTN - STL
2 stops19h 33mMultiple Airlines
Deal found 8/11$986
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Sat 9/131:30 pmSTL - LTN
2 stops13h 45mMultiple Airlines
Sat 9/208:45 amLTN - STL
2 stops17h 12mMultiple Airlines
Deal found 8/14$1,037
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Sun 9/281:30 pmSTL - LTN
2 stops13h 45mMultiple Airlines
Sun 10/56:05 amLTN - STL
2 stops19h 52mMultiple Airlines
Deal found 8/14$1,085
This Mytrip deal was found by Cheapflights users on 8/13. 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 8/221:30 pmSTL - LTN
2 stops20h 15mMultiple Airlines
Tue 8/269:50 pmLTN - STL
2 stops21h 40mMultiple Airlines
Deal found 8/13$1,312
This Mytrip deal was found by Cheapflights users on 8/13. 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 8/153:30 pmSTL - LTN
2 stops14h 25mMultiple Airlines
Sun 8/246:05 amLTN - STL
2 stops19h 55mMultiple Airlines
Deal found 8/13$1,350
This Mytrip deal was found by Cheapflights users on 8/14. 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 9/91:30 pmSTL - LTN
2 stops13h 45mMultiple Airlines
Tue 9/168:05 pmLTN - STL
3 stops29h 33mMultiple Airlines
Deal found 8/14$1,398

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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 August 14, 2025.
Use the filters below to find and compare flights from St. Louis to London Luton Airport that are best for you.

Fly from

St. Louis

Fly to

Luton

Route

Depart

Return

Price

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Fri 10/17

9:15 am-1:45 pm

3 stops22h 30m

London Luton

Tue 10/21

7:00 am-7:38 pm

2 stops18h 38m

$789

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Wed 9/3

1:30 pm-9:15 am

2 stops13h 45m

London Luton

Wed 9/10

6:05 am-7:57 pm

2 stops19h 52m

$926

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Wed 10/15

1:30 pm-9:15 am

2 stops13h 45m

London Luton

Mon 10/20

6:05 am-7:38 pm

2 stops19h 33m

$986

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Sat 9/13

1:30 pm-9:15 am

2 stops13h 45m

London Luton

Sat 9/20

8:45 am-7:57 pm

2 stops17h 12m

$1,037

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Sun 9/28

1:30 pm-9:15 am

2 stops13h 45m

London Luton

Sun 10/5

6:05 am-7:57 pm

2 stops19h 52m

$1,085

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Fri 8/22

1:30 pm-3:45 pm

2 stops20h 15m

London Luton

Tue 8/26

9:50 pm-1:30 pm

2 stops21h 40m

$1,312

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Tue 9/9

1:30 pm-9:15 am

2 stops13h 45m

London Luton

Tue 9/16

8:05 pm-7:38 pm

3 stops29h 33m

$1,398

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Fri 8/29

1:30 pm-7:30 pm

2 stops24h 00m

London Luton

Tue 9/2

6:00 am-7:57 pm

3 stops19h 57m

$1,403

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Thu 10/16

10:57 am-4:35 pm

3 stops23h 38m

$386

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Mon 9/15

4:00 pm-6:15 pm

3 stops44h 15m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 14 results
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Best time to book a flight from St. Louis to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from St. Louis 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.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Luton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to London Luton?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to London Luton. You should not have trouble finding flights to London Luton from Lambert-St Louis; the airport handles an average of 0 outbound flights to London Luton per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the St. Louis airport to London Luton. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • Can I find deals for flights from St. Louis to Luton that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Luton?

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

  • Can I find deals for business class flights from St. Louis to Luton?

    Yes. Cheapflights offers flight deals from St. Louis 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.

See more FAQs

Traveling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dartford
Dover
Orpington
Watford
Gatwick
Borehamwood
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Arundel
Eastbourne
Milton Keynes
Sutton

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