Cheap flights from London to Allentown from £500
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Allentown departing on 23/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Delta flights from London to Allentown
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How to get the cheapest flight ticket from London to Allentown
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Allentown?
The cheapest day to depart from London to Allentown is on a Monday when prices can be found for as low as £461. Flights from London to Allentown on a Sunday will generally be more expensive and average around £826. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Allentown?
Flying to Allentown from London at midday is the least expensive time of day to depart. momondo users have found prices as low as £561 when looking at flights departing at midday. Flights in the morning are often more expensive, with an average ticket price of £602.
What is the cheapest airline that flies from London to Allentown-Bethlehem?
Delta and Virgin Atlantic are the most popular carriers operating from London to Allentown-Bethlehem
Which airlines fly to Allentown?
British Airways, Lufthansa and Finnair are the top three most popular airlines that fly to Allentown from London according to our data. British Airways is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Allentown. Keep in mind that there are 19 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.
When to book flights from London to Allentown
Cheap London to Allentown (LON to ABE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Allentown
How far is London to Allentown-Bethlehem by plane?
Allentown-Bethlehem is 3523.4 mi away from London. Flights usually cover this in 13h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London to Allentown-Bethlehem Airport?
Prices for flights from London to Allentown-Bethlehem Airport refresh daily.
How many operators does momondo search for flights from London to Allentown-Bethlehem Airport?
The number of operators available for flights from London to Allentown-Bethlehem Airport is 1 as of June 2025.
How old do you have to be to fly from London to Allentown-Bethlehem Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The travel and health documents you'll need for your trip to Allentown-Bethlehem Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Allentown-Bethlehem Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London to Allentown?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London to Allentown is Finnair (100% of total bookings).
Best airlines flying from London to Allentown
Compare and see reviews for airlines that fly from London to Allentown with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £455 | Free Cancellation | Rating 7.6 1,290 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Allentown?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from London.
Can I find flights from London to Allentown with flexible booking policies on momondo?
Yes. All flights to Allentown from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to Allentown?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Allentown from London.
I’m not ready to book a flight from London to Allentown right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Allentown now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Allentown and let you know when they change.