Cheap flights from St. Louis to London from £391

Cheap flights from St. Louis to London from £391

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3 stops
Thu, Jun 11
St. Louis STLLondon LTN

£391
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3 stops
Wed, Jun 10
St. Louis STLLondon LTN

£394
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3 stops
Wed, Jun 10
St. Louis STLLondon SEN

£395
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3 stops
Wed, Jun 10
St. Louis STLLondon LTN

£395
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3 stops
Wed, Jun 10
St. Louis STLLondon LTN

£398
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3 stops
Wed, Jun 10
St. Louis STLLondon LGW

£420
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3 stops
Thu, Jun 11 – Tue, Jun 16
St. Louis STLLondon LTN

£751
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3 stops
Thu, Jun 11 – Tue, Jun 16
St. Louis STLLondon STN

£763
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3 stops
Tue, Jun 9 – Fri, Jun 12
St. Louis STLLondon STN

£784
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3 stops
Thu, Jun 11 – Tue, Jun 16
St. Louis STLLondon LTN

£793
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2 stops
Sat, Jun 13 – Wed, Jun 17
St. Louis STLLondon LGW

£833
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2 stops
Sat, Jun 13 – Tue, Jun 16
St. Louis STLLondon LGW

£848
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How much do flights to London cost?

Getting from London airports to the city center

London is served by six airports, each offering a variety of airport transfers to city center destinations. Heathrow Airport (LHR) lies 24 km west of central London, Gatwick Airport (LGW) is 45 km to the south, Stansted Airport (STN) sits 64 km northeast, Luton Airport (LTN) is 46 km north, London City Airport (LCY) is just 11 km east, and Southend Airport (SEN) is 64 km to the east. Transport options include express trains, the Underground, DLR, coaches, taxis, ride-hailing services, and private transfers. Journey times and costs vary depending on the airport, time of day, and traffic conditions.

How to get from London Heathrow Airport (LHR) to London?

How to get from London Gatwick Airport (LGW) to London?

How to get from London Stansted Airport (STN) to London?

How to get from London Luton Airport (LTN) to London?

How to get from London City Airport (LCY) to London?

How to get from London Southend Airport (SEN) to London?

Notes:

  • Prices in GBP; table created in 2025 and subject to change.
  • Contactless and Oyster are valid on the Underground, DLR, Elizabeth line, and most National Rail services within London zones.
  • Black cabs are metered; ride-hailing prices vary with demand. Road traffic can significantly affect journey times (traffic dependent).
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

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
Frontier AirlinesFFTF9No
RyanairRYRFRNo
Virgin Atlantic AirwaysVIRVSYes
Aer LingusEINEINo
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°C4°C
Hottest Month
22°C
July
Coldest month
2°C
January
Sunny days
281
days per year
Snow days
2
days per year

14 day forecast

Saturday
23 May
83%
28°C16°C
30 May
28°C17°C
Sunday
24 May
29°C17°C
31 May
88%
27°C17°C
Monday
25 May
31°C17°C
1 Jun
22°C16°C
Tuesday
26 May
75%
30°C16°C
2 Jun
23°C14°C
Wednesday
27 May
21°C13°C
3 Jun
88%
19°C13°C
Thursday
28 May
26°C11°C
4 Jun
84%
18°C9°C
Friday
29 May
28°C16°C
5 Jun
88%
17°C11°C
Book your trip to arrive at Gatwick, London Stansted, Heathrow, Luton, or London City. The most popular airlines for this route are Frontier Airlines, Ryanair, Virgin Atlantic Airways, Aer Lingus, and KLM Royal Dutch Airlines. 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

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