Cheap flights from London Heathrow Airport to Allentown from £563
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Heathrow to Allentown
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Allentown (ABE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 March 2025.
Round-trip from | £563 |
---|---|
Popular in | August |
Cheapest in | April |
Average price | £772 |
Find flight deals from Heathrow to Allentown
Cheapest flights from Heathrow to AllentownExplore the most affordable flight options available from Heathrow to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2025.
Explore the most affordable flight options available from Heathrow to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow to Allentown that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 March 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Allentown that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonAllentown
LHR - ABE
LHRABE
London Heathrow
Wed 9/4
09:55-22:18
2 stops17h 23m
Allentown-Bethlehem
Tue 15/4
13:07-11:25
2 stops17h 18m
LondonAllentown
LHR - ABE
LHRABE
London Heathrow
Sat 3/5
10:55-22:18
2 stops16h 23m
Allentown-Bethlehem
Sat 10/5
17:50-11:10
1 stop12h 20m
LondonAllentown
LHR - ABE
LHRABE
London Heathrow
Sat 3/5
06:50-16:57
2 stops15h 07m
Allentown-Bethlehem
Sat 10/5
17:32-11:45
1 stop13h 13m
LondonAllentown
LHR - ABE
LHRABE
London Heathrow
Thu 1/5
08:40-21:45
2 stops18h 05m
Allentown-Bethlehem
Tue 6/5
17:32-11:45
1 stop13h 13m
LondonAllentown
LHR - ABE
LHRABE
London Heathrow
Tue 5/8
15:15-23:27
1 stop13h 12m
LondonAllentown
LHR - ABE
LHRABE
London Heathrow
Sat 29/3
15:00-16:57
2 stops29h 57m
Best time to book a flight from Heathrow to Allentown
Have a flexible travel schedule? Discover the best time to fly to Allentown from Heathrow with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Allentown
Rainfall in Allentown by month
Plan your trip to Allentown by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Allentown ranges from 69.0 - 127.0 inches per month. July is typically the wettest month, when rainfall can reach 127.0 mm. February is typically the driest time to visit Allentown when rainfall is around 69.0 mm.
Temperature in Allentown by month
Plan your trip to Allentown by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Allentown, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).
Reviews of airlines servicing Allentown
Get insights into the airlines that provide service to Allentown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Allentown. Reviews last updated 20 March 2025.
Food
Overall
Crew
Entertainment
Comfort
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Crew
Entertainment
Comfort
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Crew
Entertainment
Comfort
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Crew
Entertainment
Comfort
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Allentown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Heathrow to Allentown
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Heathrow to Allentown
Discover the top airline that operate flights from Heathrow to Allentown. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 March 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Allentown?
Deals for Heathrow to Allentown flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Allentown?
Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Allentown for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Heathrow to Allentown with no change fees?
Need flexible booking options for your flight to Allentown from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Allentown become cheaper?
Yes! Start tracking prices for Heathrow to Allentown flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.