Cheap flights from St. Louis to London from $217

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2 stops
Wed, Oct 14
St. Louis STLLondon LGW

$217
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1 stop
Thu, Oct 15
St. Louis STLLondon LGW

$284
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1 stop
Sat, Oct 17
St. Louis STLLondon LGW

$320
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2 stops
Mon, Oct 12
St. Louis STLLondon LGW

$330
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2 stops
Sat, Oct 17
St. Louis STLLondon LGW

$332
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3 stops
Wed, Oct 14
St. Louis STLLondon LHR

$416
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1 stop
Fri, Oct 16 – Tue, Oct 20
St. Louis STLLondon LHR

$858
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1 stop
Fri, Oct 16 – Wed, Oct 21
St. Louis STLLondon LHR

$858
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1 stop
Fri, Oct 16 – Wed, Oct 21
St. Louis STLLondon LHR

$863
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1 stop
Fri, Oct 16 – Tue, Oct 20
St. Louis STLLondon LHR

$864
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1 stop
Fri, Oct 16 – Tue, Oct 20
St. Louis STLLondon LHR

$864
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1 stop
Fri, Oct 16 – Tue, Oct 20
St. Louis STLLondon LHR

$870
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Key info about flying to London

Depart from
St. Louis Lambert International
Arrive to
Gatwick
Average flights per week
400
Flight distance
Worth visiting
Avebury - British Museum - Canterbury Cathedral - Isle of Wight - Natural History Museum - Portsea Island - Roman Baths, Bath - Stonehenge - St. Paul's Cathedral - Tate Modern - Tower of London

Check-in for a flight from St. Louis to London

NameCarrier codeIATA CodePassport needed during booking
RyanairRYRFRNo
Air CanadaACAACYes
Aer LingusEINEINo
Frontier AirlinesFFTF9No
JetBlue AirwaysJBUB6No

Weather in London

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C3°C
March11°C4°C
April14°C5°C
May17°C8°C
June20°C11°C
July23°C14°C
August22°C14°C
September19°C12°C
October15°C9°C
November10°C6°C
December8°C4°C
Hottest Month
23°C
July
Coldest month
2°C
January
Sunny days
282
days per year
Snow days
2
days per year

14 day forecast

Saturday
3 Oct
22%
20°C14°C
10 Oct
14°C11°C
Sunday
4 Oct
20°C14°C
11 Oct
25%
15°C11°C
Monday
5 Oct
23%
20°C13°C
12 Oct
14°C9°C
Tuesday
6 Oct
54%
21°C15°C
13 Oct
83%
12°C10°C
Wednesday
7 Oct
67%
15°C11°C
14 Oct
61%
14°C10°C
Thursday
8 Oct
18%
15°C10°C
15 Oct
11%
15°C9°C
Friday
9 Oct
87%
17°C12°C
16 Oct
78%
17°C11°C
Book your trip to arrive at Gatwick, Heathrow, London Stansted, Luton, or London City. The most popular airlines for this route are Ryanair, Air Canada, Aer Lingus, Frontier Airlines, and JetBlue Airways. St. Louis and London have 400 direct flights per week. When you arrive at London, consider visiting Avebury, British Museum, Canterbury Cathedral, Isle of Wight, Natural History Museum, Portsea Island, Roman Baths, Bath, Stonehenge, St. Paul's Cathedral, Tate Modern, and Tower of London.

Frequently asked questions

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