Cheap flights from St. Louis to London from $429

Cheap flights from St. Louis to London from $429

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2 stops
Fri, Sep 4
St. Louis STLLondon LHR

$429
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2 stops
Mon, Aug 31
St. Louis STLLondon LGW

$431
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2 stops
Fri, Sep 4
St. Louis STLLondon LGW

$468
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2 stops
Fri, Sep 4
St. Louis STLLondon LHR

$530
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2 stops
Mon, Aug 31
St. Louis STLLondon LHR

$565
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2 stops
Tue, Sep 1
St. Louis STLLondon STN

$593
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1 stop
Fri, Sep 4 – Tue, Sep 8
St. Louis STLLondon LHR

$1,210
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1 stop
Wed, Sep 2 – Sun, Sep 6
St. Louis STLLondon LHR

$1,210
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1 stop
Fri, Sep 4 – Wed, Sep 9
St. Louis STLLondon LHR

$1,213
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1 stop
Fri, Sep 4 – Wed, Sep 9
St. Louis STLLondon LHR

$1,213
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1 stop
Wed, Sep 2 – Sun, Sep 6
St. Louis STLLondon LHR

$1,213
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1 stop
Fri, Sep 4 – Wed, Sep 9
St. Louis STLLondon LHR

$1,213
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How much do flights to London cost?

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
Frontier AirlinesFFTF9No
KLM Royal Dutch AirlinesKLMKLNo
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
283
days per year
Snow days
3
days per year

14 day forecast

Saturday
22 Aug
17%
22°C13°C
29 Aug
55%
20°C14°C
Sunday
23 Aug
25°C14°C
30 Aug
19%
20°C15°C
Monday
24 Aug
22°C16°C
31 Aug
41%
22°C14°C
Tuesday
25 Aug
23%
23°C17°C
1 Sep
38%
22°C14°C
Wednesday
26 Aug
57%
26°C17°C
2 Sep
19%
19°C13°C
Thursday
27 Aug
85%
20°C16°C
3 Sep
23°C12°C
Friday
28 Aug
59%
17°C12°C
4 Sep
19°C12°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, Frontier Airlines, KLM Royal Dutch 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

What are the most popular routes to and from St. Louis?

What are the most popular routes to and from London?

What airports are near St. Louis?

What airports are near London?

Which airlines fly between St. Louis and London?

When’s the best time to travel between St. Louis and London?

What flights operate between St. Louis and London?

How many airports are there near St. Louis?

How many airports are there near London?

What time do nonstop (direct) flights between St. Louis and London depart?

What time do nonstop (direct) flights between St. Louis and London arrive?

What time do flights between St. Louis and London depart?

What time do flights between St. Louis and London arrive?

Explore alternative trips

Flights from St. Louis

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The nearest countries with flights to London

Here is a list of countries people are flying from

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