Cheap Flights from Allentown to London

Compare Allentown to London flight deals

Find the cheapest month or even day of the year to fly to London

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Flight deals from Allentown to London

Looking for a cheap last-minute deal or the best round-trip flight from Allentown to London? Find the lowest prices on one-way and round-trip tickets right here.

London.AED 2,427 per passenger.Departing Wed, Mar 18, returning Wed, Mar 25.Round-trip flight with United.Outbound indirect flight with United, departing from Allentown on Wed, Mar 18, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Wed, Mar 25, arriving in Allentown.Price includes taxes and charges.From AED 2,427, select.

London.AED 3,095 per passenger.Departing Thu, Oct 22, returning Mon, Oct 26.Round-trip flight with Air France.Outbound indirect flight with Air France, departing from Allentown on Thu, Oct 22, arriving in London Heathrow.Inbound indirect flight with Air France, departing from London Heathrow on Mon, Oct 26, arriving in Allentown.Price includes taxes and charges.From AED 3,095, select.

London.AED 3,625 per passenger.Departing Mon, Apr 27, returning Thu, Apr 30.Round-trip flight with Allegiant Air and Norse Atlantic Airways (UK).Outbound indirect flight with Allegiant Air, departing from Allentown on Mon, Apr 27, arriving in London Gatwick.Inbound indirect flight with Norse Atlantic Airways (UK), departing from London Gatwick on Thu, Apr 30, arriving in Allentown.Price includes taxes and charges.From AED 3,625, select.

London.AED 3,703 per passenger.Departing Sun, Feb 8, returning Tue, Aug 11.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Allentown on Sun, Feb 8, arriving in London Heathrow.Inbound indirect flight with Delta, departing from London Heathrow on Tue, Aug 11, arriving in Allentown.Price includes taxes and charges.From AED 3,703, select.

London.AED 3,869 per passenger.Departing Mon, Feb 16, returning Thu, Feb 19.Round-trip flight with United.Outbound indirect flight with United, departing from Allentown on Mon, Feb 16, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Thu, Feb 19, arriving in Allentown.Price includes taxes and charges.From AED 3,869, select.

London.AED 4,324 per passenger.Departing Sun, Jun 21, returning Sun, Jun 28.Round-trip flight with Allegiant Air and Norse Atlantic Airways (UK).Outbound indirect flight with Allegiant Air, departing from Allentown on Sun, Jun 21, arriving in London Gatwick.Inbound indirect flight with Norse Atlantic Airways (UK), departing from London Gatwick on Sun, Jun 28, arriving in Allentown.Price includes taxes and charges.From AED 4,324, select.

Find the cheapest month to fly from Allentown to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Allentown to London flights are currently cheapest in March.

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Alternative Allentown to London routes

Looking for the cheapest, fastest or easiest route from Allentown to London? You could fly into the following airports instead.

Allentown to London: Flight information

The things to know before you go.

Cheapest flight found	AED 2,427
Cheapest month to fly	March

Finding cheap flights from Allentown to London: Frequently asked questions

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are round-trip flights from Allentown to London?

The best price we found for a round-trip flight from Allentown to London is AED 2,427. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Allentown to London?

Currently, there are no airlines that fly direct from Allentown to London. But we found flights with one or more stops from AED 2,427.

How many flights are there a week from Allentown to London?

There are no flights flying from Allentown to London, as of February 2026.

When is the cheapest time to fly from Allentown to London?

The cheapest month to fly from Allentown to London is usually March.

What's the cheapest airport to fly to in London?

If you're flying from Allentown Airport, the cheapest airport near London is London Heathrow – which is 22.9 km away from the center of London. We've found flights to this airport from AED 2,427.

Which upcoming date is cheapest to fly from Allentown Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Allentown Airport to London on Wednesday, March 18, 2026.

Can I get a direct flight from Allentown Airport to London?

No airlines currently offer direct flights between Allentown Airport and London. Most routes have one or more stops.

How can I get the best flight deal from Allentown Airport to London?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in London?

In February, the average temperature is usually around 4°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.

Which is the cheapest airline to fly with from Allentown Airport to London?

Currently, United offers the cheapest flight tickets to London.

Flying from Lehigh Valley International Airport (ABE) to London: what you need to know

The timezone in London is UTC+0. The city is four hours ahead of Allentown, where Lehigh Valley International Airport is located.
To avoid rushing for your ABE to London flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.
If you're traveling during a major holiday or another peak period, allow for even more time. A good rule is two hours before domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.
We make it easy to book flight tickets from ABE to London with a stopover. To see all the options, deselect 'Direct flights only.' Next, pick a flight offering a stop long enough to see the sights of your chosen city. The most sought-after stopovers include:
- O'Hare International Airport (ORD)
- Hartsfield-Jackson Atlanta International Airport (ATL)
- Charlotte Douglas International Airport (CLT)
Traveling from central Allentown to ABE takes around 30 minutes by public transport. If you ride-share, drive or get a cab, you'll cover the 6 kilometers in 10 minutes or so, depending on traffic.
Want a hassle-free start to your vacation? Stay near ABE. Whether you're boarding an early flight from Lehigh Valley International Airport to London or just don't want to be rushed, these hotels put convenience first:
When it comes to Lehigh Valley International Airport's on-time performance, data shows 78.8% of flights stick to their scheduled arrival time.
ABE is located at 3311 Airport Road.

How to find the cheapest flights from Lehigh Valley International Airport (ABE) to London

AED 1,580 is the lowest price we've found for a one-way Lehigh Valley International Airport to London flight. A round-trip ticket right now is AED 2,427. Depending on the availability when you book, these fares can change.
Don't wait until the last minute. You're more likely to land cheap flights from ABE to London if you book early. Airlines often offer some excellent early bird rates.
Scoring cheap tickets from Lehigh Valley International Airport to London is easier if you're flexible with your travel dates. Use the 'Whole month' search function to get the lowest prices throughout the month and walk away with an awesome deal.
You don't need to keep checking in to find out if fares have dropped when you create a Price Alert. We'll notify you when there's an even bigger deal on cheap flights from ABE to London.
Select your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Lehigh Valley International Airport to London by 'Fastest,' 'Best' or 'Cheapest.'

Airports in London

London Heathrow Airport (LHR)

The distance from London Heathrow Airport (LHR) to central London is roughly 31 kilometers. It'll take you around 55 minutes to get to the center driving.
It typically takes 1 hour if you're traveling on public transport.
The last thing you need is a lengthy journey to your hotel if you're landing late on a flight from Lehigh Valley International Airport to London. Book one of these accommodation options near LHR instead:
Get on the fast track to adventure by picking up a London Heathrow Airport rental car. Grab your wheels from Surprice, U-Save or Green Motion and experience the lesser-explored corners of London and beyond.
Reserving your vehicle from London Heathrow Airport around one week before your flight from ABE to London can help you get the lowest rate.

London Gatwick Airport (LGW)

Once your flight from Lehigh Valley International Airport to London has hit the runway, you can reach the city center in around 1 hour 20 minutes by car. Central London is roughly 80 kilometers from London Gatwick Airport (LGW).
If you're traveling on public transport, it'll take about 30 minutes.
There are some great places to drop your things at near LGW. Kick back and get cozy after your ABE to London flight at any of these perfectly located options:
Forget about inconvenient public transport timetables or waiting in a long cab line. Pick up a London Gatwick Airport rental car and let your trip unfold on your terms. Compare offers from Green Motion, U-Save and Drivalia.
Avoid paying more than you need to. Securing your ride three weeks before your arrival at LGW can land you a better rate.

Stansted Airport (STN)

Stansted Airport (STN) is around 64 kilometers from central London. It takes about 1 hour to get to the city center in a cab or ride-share once you've hopped off your flight from Lehigh Valley International Airport to London.
Public transport will take you there in around 1 hour 25 minutes.
Reserve a hotel near STN and go from the runway to resting in a snap. Whether you're coming in on a late ABE to London flight or just want to simplify your travel plans, these stays put comfort right within reach:
Be in control of the next part of your trip with a Stansted Airport rental car. Green Motion, Drivalia and Europcar are reliable rental providers.
Plan ahead and reap the rewards. Book your vehicle from STN four weeks before your flight from Lehigh Valley International Airport to London for the most affordable rates.

Best time to go to London

Before scheduling your flights from Lehigh Valley International Airport to London, consider which time of year works best for you. Peak season in London offers a lively atmosphere and plenty of activities, while low season means you'll get cheaper hotel rates and smaller crowds.
Before locking in your Lehigh Valley International Airport to London flight ticket, think about the weather you're most comfortable in. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).
Look for cheap tickets from ABE to London in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

More about London

When it comes to looking for somewhere to lay your head, you'll find the best places to stay in London right here. Explore these hotels once you've booked your flight from Lehigh Valley International Airport to London:
Every great vacation has to include a little sightseeing. The British Museum, Big Ben and Buckingham Palace are must-do's during your London adventure.

Explore more of United Kingdom

Birmingham is just one of the many places in United Kingdom waiting to be discovered after you've seen London. Around 161 kilometers away to the north-west, popular attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.
If there's time to check out another well-known destination in United Kingdom, head for Bristol, about 177 kilometers west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are highlights.