Cheap flights from Allentown to London from £325

Cheap flights from Allentown to London from £325

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3 stops
Sun, Apr 26
Allentown ABELondon LTN
£325
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3 stops
Sun, Apr 26
Allentown ABELondon LGW
£328
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3 stops
Sun, Apr 26
Allentown ABELondon LGW
£328
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3 stops
Sun, Apr 26
Allentown ABELondon STN
£329
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3 stops
Sun, Apr 26
Allentown ABELondon LTN
£329
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1 stop
Wed, Apr 22
Allentown ABELondon LHR
£453
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3 stops
Sun, Apr 26 – Fri, May 1
Allentown ABELondon LTN
£732
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3 stops
Sun, Apr 26 – Thu, Apr 30
Allentown ABELondon LTN
£734
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3 stops
Sun, Apr 26 – Fri, May 1
Allentown ABELondon LGW
£734
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3 stops
Sun, Apr 26 – Thu, Apr 30
Allentown ABELondon LHR
£762
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3 stops
Sun, Apr 26 – Fri, May 1
Allentown ABELondon LTN
£788
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3 stops
Sun, Apr 26 – Thu, Apr 30
Allentown ABELondon LTN
£799
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How much do flights to London cost?

Cheapest one-way trip

£325

Cheapest round-trip

£732

Average round-trip

£753

Includes rare itinerary

Travel hack

Most popular airline

Allegiant Air

Getting from London airports to the city center

Fastest options: Heathrow Express (LHR), Gatwick Express (LGW), Stansted Express (STN). Best value: Underground, DLR, Elizabeth line and commuter trains.

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.

From London Heathrow Airport (LHR)

Transport Option

Typical time

Typical cost

Frequency

Best for

15 min

£15-£25 (advance vs on-the-day fares)

every 15 min

fastest to Paddington

28-38 min

£12-£13 (Oyster/contactless fare)

every 5–10 min

central London with stops

35-75 min

£60-£100 (metered; varies by traffic)

on-demand 24/7 (traffic dependent)

door-to-door with luggage

From London Gatwick Airport (LGW)

Transport Option

Typical time

Typical cost

Frequency

Best for

30 min

£18-£23 (advance vs on-the-day fares)

every 15 min

fastest to Victoria

From London Stansted Airport (STN)

Transport Option

Typical time

Typical cost

Frequency

Best for

45-50 min

£20-£26 (advance vs on-the-day fares)

every 15–30 min

fastest to the City

From London Luton Airport (LTN)

Transport Option

Typical time

Typical cost

Frequency

Best for

35-55 min

£12-£20 (includes DART transfer)

every 10–20 min

direct to St Pancras

From London City Airport (LCY)

Transport Option

Typical time

Typical cost

Frequency

Best for

15-25 min

£3-£5 (Oyster/contactless fare)

every 4–10 min

Canary Wharf and City

From London Southend Airport (SEN)

Transport Option

Typical time

Typical cost

Frequency

Best for

50-60 min

£18-£25 (advance vs on-the-day fares)

every 20–30 min

direct to Liverpool Street

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
Lehigh Valley 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 Allentown to London

NameCarrier codeIATA CodePassport needed during booking
Allegiant AirAAYG4No
RyanairRYRFRNo
Spirit AirlinesNKSNKNo
Aer LingusEINEINo
Air FranceAFRAFNo

Online check-in is not available for these airlines.

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
11 Apr
88%
11°C7°C
18 Apr
89%
13°C9°C
Sunday
12 Apr
83%
13°C7°C
19 Apr
13°C6°C
Monday
13 Apr
82%
12°C5°C
20 Apr
15°C7°C
Tuesday
14 Apr
14°C4°C
21 Apr
84%
17°C9°C
Wednesday
15 Apr
87%
15°C10°C
22 Apr
19°C10°C
Thursday
16 Apr
15°C8°C
23 Apr
13°C10°C
Friday
17 Apr
17°C9°C
24 Apr
15°C8°C
Book your trip to arrive at Gatwick, London Stansted, Heathrow, Luton, or London City. The most popular airlines for this route are Allegiant Air, Ryanair, Spirit Airlines, Aer Lingus, and Air France. Allentown 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 Allentown?
Travelers frequently search for route combinations, such as Allentown and Orlando, Tampa, Punta Gorda, Denver, Fort Lauderdale, Toronto, Nassau, Sarasota, Medellín, Auckland, Kingston, Marseille, Lima, Midland, Djerba, Nairobi, Cancún, Santorini, Ahmedabad, Vancouver.
What are the most popular routes to and from London?
Travelers frequently search for route combinations, such as London and Istanbul, Tel Aviv, Tirana, Bucharest, Barcelona, Chișinău, Athens, Paris, Madrid, Prague, Edinburgh, Rome, Málaga, Jeddah, Sofia, Bangkok, Larnaca, Bacău, Warsaw, Budapest.
What airports are near Allentown?
The main airport in Allentown is Lehigh Valley International. It is also served by John F. Kennedy International, Newark Liberty International, Philadelphia International, LaGuardia, Baltimore–Washington International, Ronald Reagan Washington National, Atlantic City International, Lehigh Valley International, New York Stewart International Airport, Harrisburg International.
What airports are near London?
The main airport in London is London Stansted. It is also served by Birmingham, Bristol, East Midlands, Cardiff, Bournemouth, Southampton, Exeter, Norwich, Humberside.
Which airlines fly between Allentown and London?
Currently, you can fly between Allentown and London with Allegiant Air, Ryanair, Spirit Airlines, Aer Lingus, Air France.
When’s the best time to travel between Allentown and London?
If you don’t have specific dates for your trip between Allentown and London, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Allentown and London?
Traveling between Allentown and London, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Allentown?
There are a number of airports in and around Allentown. The main one is Lehigh Valley International and other nearby airports include John F. Kennedy International, Newark Liberty International, Philadelphia International, LaGuardia, Baltimore–Washington International, Ronald Reagan Washington National, Atlantic City International, Lehigh Valley International, New York Stewart International Airport, Harrisburg International
How many airports are there near London?
There are a number of airports in and around London. The main one is London Stansted and other nearby airports include Birmingham, Bristol, East Midlands, Cardiff, Bournemouth, Southampton, Exeter, Norwich, Humberside.
What time do nonstop (direct) flights between Allentown and London depart?
What time do nonstop (direct) flights between Allentown and London arrive?
What time do flights between Allentown and London depart?
What time do flights between Allentown and London arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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