How much is a ticket from London Heathrow to Allentown?

Flight prices from London to Allentown/Bethlehem/Easton change depending on demand and time of booking.

Select your dates to check current offers.

Flying at off-peak hours — such as early morning or late evening — can help you save. Also, the best deals tend to appear in the weeks leading up to departure.

Planning flights between London and Allentown/Bethlehem/Easton? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in London: 6 airports are listed in London - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
• Airports in Allentown/Bethlehem/Easton: Only Allentown/Bethlehem/Easton is currently available.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Adjust your flight filters for London Heathrow – Allentown

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.