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Cheap flights from London Luton Airport to St. Louis from £416

LTN — STL
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Luton to St. Louis

Tue 1/1207:05 -
3 stops34h 05m
Tue 8/1216:05 -
2 stops15h 45m
Deal found 1/11£887
Fri 4/1221:45 -
3 stops32h 27m
Mon 7/1217:38 -
2 stops18h 22m
Deal found 3/11£926
Mon 7/1207:15 -
2 stops22h 57m
Mon 21/1209:50 -
3 stops22h 15m
Deal found 3/11£1,001
Sun 20/1206:05 -
3 stops34h 48m
Sun 27/1216:05 -
2 stops17h 40m
Deal found 5/11£1,019
Mon 16/1106:00 -
3 stops23h 16m
Mon 30/1116:05 -
2 stops16h 05m
Deal found 1/11£1,073
Wed 2/1207:00 -
3 stops21h 17m
Sun 6/1211:37 -
2 stops15h 33m
Deal found 2/11£1,151
Thu 17/1214:55 -
3 stops34h 57m
Wed 30/1216:05 -
2 stops22h 25m
Deal found 3/11£1,160
Wed 16/1207:30 -
2 stops20h 47m
Wed 23/1215:40 -
2 stops20h 30m
Deal found 1/11£1,178
Wed 11/1121:30 -
3 stops31h 46m
Thu 31/1217:58 -
2 stops16h 17m
Deal found 4/11£1,181

Find flight deals from Luton to St. Louis

Round-trip from

£846

One-way from

£416

Popular in

August

Cheapest in

February

Average price

£678
22/12-5/1
  • 22/12-5/1
  • 4 total stops
  • 41h 56m total
  • London to St. Louis
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24/1-31/12
  • 24/1-31/12
  • 3 total stops
  • 43h 49m total
  • London to St. Louis
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£59 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Luton Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Sun 24/1

10:15-00:04

3 stops43h 49m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£416
Fastest return journey

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Mon 25/1

06:10-22:34

2 stops22h 24m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£442

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Tue 15/12

07:05-11:17

3 stops34h 12m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£448

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Mon 12/4

18:35-20:37

3 stops32h 02m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£480

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Tue 10/11

06:00-17:42

3 stops41h 42m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£566

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Wed 11/11

17:00-18:17

2 stops31h 17m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£681

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Fri 13/11

15:55-19:39

2 stops33h 44m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£685

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Fri 30/4

20:35-13:25

2 stops22h 50m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£744

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Tue 1/12

07:05-11:10

3 stops34h 05m

Lambert-St Louis

Tue 8/12

16:05-13:50

2 stops15h 45m

£887

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Fri 4/12

21:45-00:12

3 stops32h 27m

Lambert-St Louis

Mon 7/12

17:38-18:00

2 stops18h 22m

£926

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 18 resultsSorted by cheapest first
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Best time to book a flight from Luton to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Luton with our price prediction graph.
Estimated return price

Related info for your journey

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

    For a flight from London Luton to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 inbound flights from London Luton per day. 0 airlines have flights to Lambert-St Louis from London Luton on a regular basis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Luton to St. Louis 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

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