Cheap flights from Marion, IL to London, United Kingdom

Flights starting at $395. Choose between Ryanair, Swiss International Air Lines, or TAP Portugal to find the best price.

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Key info about flying to London

Depart from
Williamson County Regional
Arrive to
Heathrow
Average flights per week
244
Flight distance
Worth visiting
Tintern Abbey, United Kingdom - St. David's Cathedral, Cardiff - Tower of London - Portsea Island - Natural History Museum - Roman Baths, Bath - British Museum - Avebury - St. Paul's Cathedral - St Fagans: National History Museum - Tate Modern - Stonehenge - Isle of Wight - Canterbury Cathedral

Check-in for a flight from Marion to London

NameCarrier codeIATA CodePassport needed during booking
RyanairRYRFRNo
Swiss International Air LinesSWRLXNo
TAP PortugalTAPTPNo
easyJetEZYU2Yes

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
11 Jan
3°C0°C
18 Jan
8°C4°C
Sunday
12 Jan
3°C0°C
19 Jan
7°C3°C
Monday
13 Jan
6°C1°C
20 Jan
8°C4°C
Tuesday
14 Jan
6°C2°C
21 Jan
7°C3°C
Wednesday
15 Jan
8°C4°C
22 Jan
82%
8°C3°C
Thursday
16 Jan
8°C4°C
23 Jan
10°C4°C
Friday
17 Jan
8°C5°C
24 Jan
10°C7°C
Book your trip to arrive at Heathrow, Gatwick, London Stansted, Luton, or London City. The most popular airlines for this route are Ryanair, Swiss International Air Lines, TAP Portugal, and easyJet. Marion and London have 244 direct flights per week. When you arrive at London, consider visiting Tintern Abbey, United Kingdom, St. David's Cathedral, Cardiff, Tower of London, Portsea Island, Natural History Museum, Roman Baths, Bath, British Museum, Avebury, St. Paul's Cathedral, St Fagans: National History Museum, Tate Modern, Stonehenge, Isle of Wight, and Canterbury Cathedral.

Frequently asked questions

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What time do flights between Marion and London depart?
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