Cheap flights from St. Louis to London from $221

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1 stop
Wed, Jul 16
St. Louis STLLondon LGW

$221
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2 stops
Mon, Jul 14
St. Louis STLLondon LGW

$250
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1 stop
Sat, Jul 12
St. Louis STLLondon LGW

$278
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2 stops
Fri, Jul 18
St. Louis STLLondon LGW

$285
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2 stops
Fri, Jul 18
St. Louis STLLondon LHR

$295
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2 stops
Sun, Jul 13
St. Louis STLLondon LGW

$319
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Prices updated:

2 stops
Mon, Jul 14 – Thu, Jul 17
St. Louis STLLondon LGW

$844
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1 stop
Sat, Jul 12 – Wed, Jul 16
St. Louis STLLondon LGW

$852
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1 stop
Sat, Jul 12 – Thu, Jul 17
St. Louis STLLondon LGW

$873
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2 stops
Sun, Jul 13 – Wed, Jul 16
St. Louis STLLondon LGW

$892
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2 stops
Sun, Jul 13 – Thu, Jul 17
St. Louis STLLondon LGW

$914
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1 stop
Sat, Jul 12 – Tue, Jul 15
St. Louis STLLondon LGW

$922
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Prices updated:

Key info about flying to London

Depart from
St. Louis Lambert International
Arrive to
Gatwick
Average flights per week
338
Flight distance
Worth visiting
Isle of Wight - Canterbury Cathedral - Tate Modern - Portsea Island - Natural History Museum - Roman Baths, Bath - Tower of London - Avebury - British Museum - Stonehenge - St. Paul's Cathedral

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

NameCarrier codeIATA CodePassport needed during booking
RyanairRYRFRNo
Aer LingusEINEINo
Frontier AirlinesFFTF9No
Virgin Atlantic AirwaysVIRVSYes
KLM Royal Dutch AirlinesKLMKLNo

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
July22°C14°C
August22°C14°C
September19°C12°C
October15°C9°C
November10°C6°C
December8°C3°C
Hottest Month
22°C
July
Coldest month
2°C
January
Sunny days
278
days per year
Snow days
3
days per year

14 day forecast

Saturday
21 Jun
75%
33°C18°C
28 Jun
30°C16°C
Sunday
22 Jun
78%
26°C16°C
29 Jun
32°C19°C
Monday
23 Jun
88%
23°C15°C
30 Jun
66%
33°C20°C
Tuesday
24 Jun
26°C14°C
1 Jul
86%
24°C17°C
Wednesday
25 Jun
82%
20°C17°C
2 Jul
84%
18°C14°C
Thursday
26 Jun
21°C12°C
3 Jul
23°C11°C
Friday
27 Jun
25°C14°C
4 Jul
27°C13°C
Book your trip to arrive at Gatwick, Heathrow, London Stansted, Luton, or London City. The most popular airlines for this route are Ryanair, Aer Lingus, Frontier Airlines, Virgin Atlantic Airways, and KLM Royal Dutch Airlines. St. Louis and London have 338 direct flights per week. When you arrive at London, consider visiting Isle of Wight, Canterbury Cathedral, Tate Modern, Portsea Island, Natural History Museum, Roman Baths, Bath, Tower of London, Avebury, British Museum, Stonehenge, and St. Paul's Cathedral.

Frequently asked questions

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Explore alternative trips

Flights from St. Louis

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