The cheapest times to fly from ABE to LHR are

  • January 8th to March 25th
  • April 16th to June 3rd
  • October 8th to December 9th (except the week of November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ABE to LHR is mid May. Prices can be as high as $1488 for Saturday flights during early August, or as low as $704 for Wednesday flights around mid May.


When to Fly to London

Flying from Allentown/Bethlehem/Easton, PA (ABE) to London (LHR) will usually cost between $792 to $1362 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid May with an average ticket price of $711. Due to high demand the most expensive time to fly is early August, with an average price of $1406. Planning your trip to low-cost times can easily save you $695 on economy flights and even more on first-class flights. Generally, any price below $885 can be considered a good price for a round-trip ABE to LHR flight.

See below for a graph of average weekly prices for the ABE to LHR route. All prices are for round-trip tickets in USD.

ABE to LHR Flight Prices

Compared to other flights, the ABE to LHR flight is cheaper than the average and costs about as much as the average flight leaving from Allentown. The average price per mile (for a direct flight) is $0.16, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to LHR, and Tuesday the cheapest day to fly back into ABE. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $100 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $932. Return trip prices are from the LHR to ABE flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ABE to LHR can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 18 minutes may not be realistic.


Flight Hacking ABE to LHR

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ABE to LHR — but Champion Traveler does!

Hack #1: Boston, MA (ABE > BOS > LHR)

  • Price for both tickets: $562
  • Average savings: $323 (36.5%)

See ABE to BOS flights

Hack #2: New York, NY (ABE > LGA > LHR)

  • Price for both tickets: $687
  • Average savings: $198 (22.37%)

See ABE to LGA flights

Hack #3: Orlando, FL (ABE > MCO > LHR)

  • Price for both tickets: $727
  • Average savings: $158 (17.85%)

See ABE to MCO flights


Flight Questions Answered

Still have questions about flying from ABE to LHR? We’ve got answers.

Which airlines fly this route?

You can find 10 major airlines flying this route most often: Aer Lingus, Aeromexico, American, British Airways, Delta, Finnair, Iberia, KLM, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from London Heathrow Airport to Lehigh Valley International Airport?

The distance between the two airports is roughly 3509 miles or 5647 kilometers.

How long does it take to fly from ABE to LHR?

The real-world flight time for a nonstop ABE to LHR flight is about 7 hour 18 minutes.

How many flights go between Allentown/Bethlehem/Easton, PA and London?

It depends on the day of the week and the date, but a typical day might have around 22 available flights from ABE to LHR.


Airport Location Info


Departing Airport

Origination codeABE
Origination airport nameLehigh Valley International Airport
CityAllentown/Bethlehem/Easton, PA
Countrythe United States

Return Airport

Destination codeLHR
Destination airport nameLondon Heathrow Airport
Countrythe United Kingdom


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.