Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 76% on your flight compared to booking on days when demand is much higher.
Find a great deal and save up to 38% by booking at least 51 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Allentown to Heathrow within the next two weeks, with the cheapest ticket starting at $813.
Our data shows that February tends to be the cheapest month to fly to Heathrow from Allentown. Users have commonly found prices around $634 for the month, but tickets can be as low as $394. Due to multiple factors, prepare for potentially higher prices in June.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 33% on flights from Allentown to Heathrow by exploring options for tickets in the morning.