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$627+ Cheap flights from Harlingen, TX to Allentown (HRL - ABE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ABE
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
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Cheap flight deals from Harlingen to Allentown

Cheapest flights from Harlingen to Allentown
Explore the most affordable flight options available from Harlingen to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/209:20 am
HRL
-
ABE
2 stops25h 30m
United Airlines
Tue 2/245:23 pm
ABE
-
HRL
2 stops29h 36m
United Airlines
Deal found 2/2$627

Find flight deals from Harlingen to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) 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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$627
(United Airlines)
Provider with most accurate pricing for Harlingen Valley Intl-Allentown-Bethlehem flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harlingen Valley Intl-Allentown-Bethlehem flights.
Search Deals
From Harlingen Valley Intl to Allentown-Bethlehem
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen 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 2,558,603 searches. Data last updated February 6, 2026.
Use the filters below to find and compare flights from Harlingen to Allentown that are best for you.

Fly from

Harlingen

Fly to

Allentown

Route

Depart

Return

Price

HarlingenAllentown

HRL - ABE

HRLABE

Harlingen Valley Intl

Fri 2/20

9:20 am-11:50 am

2 stops25h 30m

Allentown-Bethlehem

Tue 2/24

5:23 pm-9:59 pm

2 stops29h 36m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

  • Most accurate provider: When it comes to deals on Harlingen, Texas-Allentown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen, Texas-Allentown flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-Allentown flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen, Texas-Allentown flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harlingen, Texas-Allentown flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Harlingen to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Harlingen with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Harlingen to Allentown

What is the cheapest month to book a flight from Harlingen, Texas to Allentown?

Currently, December is the cheapest month in which you can book a flight from Harlingen, Texas to Allentown (average of $215). Flying from Harlingen, Texas to Allentown in March is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Allentown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Harlingen, Texas to Allentown?

    Airlines like United Airlines fly from Harlingen, Texas to Allentown in about 25h 30m. The time it takes to get you to your destination can typically vary by up to . The distance between Harlingen, Texas and Allentown is about 1614 mi.

  • Can I find deals for flights from Harlingen to Allentown that include hotel bookings?

    Yes. In addition to deals on Harlingen to Allentown flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harlingen to Allentown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to Allentown.

  • Can I find deals for business class flights from Harlingen to Allentown?

    Yes. Cheapflights offers flight deals from Harlingen to Allentown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Harlingen, Texas to Allentown?

    Currently, December is the cheapest month in which you can book a flight from Harlingen, Texas to Allentown (average of $215). Flying from Harlingen, Texas to Allentown in March is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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