In terms of precipitation, rainfall in Allentown ranges from 2.7 - 5.0 inches per month. July is typically the wettest month, when rainfall can reach 5.0 in. February is typically the driest time to visit Allentown when rainfall is around 2.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

What is the cheapest time of day to fly from GJT to ABE?

When flying from Grand Junction to Allentown, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Grand Junction to Allentown that include hotel bookings?

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

How can I find direct flights from Grand Junction to Allentown?

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

Can I find deals for business class flights from Grand Junction to Allentown?

Yes. Cheapflights offers flight deals from Grand Junction 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.

$389+ Flights from Grand Junction to Allentown

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Cheap flight deals from Grand Junction to Allentown

Round-trip from	$389 (American Airlines)

From Grand Junction Regnl to Allentown-Bethlehem

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Cheapest flights from Grand Junction to Allentown
Explore the most affordable flight options available from Grand Junction to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Wed 12/107:06 pmGJT - ABE

2 stops13h 40mAmerican Airlines

Sat 12/131:44 pmABE - GJT

2 stops9h 36mAmerican Airlines

Deal found 8/13

$389

Best flights from Grand Junction to Allentown
Discover carefully curated flight deals from Grand Junction to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Wed 12/107:06 pmGJT - ABE

2 stops13h 40mAmerican Airlines

Sat 12/131:44 pmABE - GJT

2 stops9h 36mAmerican Airlines

Deal found 8/12

$389

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Grand JunctionAllentown

GJT - ABE

GJTABE

Grand Junction Regnl

Wed 12/10

7:06 pm-10:46 am

2 stops13h 40m

Allentown-Bethlehem

Sat 12/13

1:44 pm-9:20 pm

2 stops9h 36m

$389

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Deals found on 8/12

Best time to book a flight from Grand Junction to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Grand Junction with our price prediction graph.

Estimated round-trip price

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Cheapflights Insights

Everything you need to know about your flight from Grand Junction to Allentown

What is the cheapest month to book a flight from Grand Junction to Allentown?

Currently, February is the cheapest month in which you can book a flight from Grand Junction to Allentown (average of $289). Flying from Grand Junction to Allentown in December is currently the most expensive (average of $395). 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

Can I find deals for flights from Grand Junction to Allentown that include hotel bookings?
Yes. In addition to deals on Grand Junction to Allentown flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Grand Junction to Allentown?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grand Junction to Allentown.
Can I find deals for business class flights from Grand Junction to Allentown?
Yes. Cheapflights offers flight deals from Grand Junction 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 Grand Junction to Allentown?
Currently, February is the cheapest month in which you can book a flight from Grand Junction to Allentown (average of $289). Flying from Grand Junction to Allentown in December is currently the most expensive (average of $395). 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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$389+ Cheap flights from Grand Junction to Allentown (GJT - 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Grand Junction to AllentownExplore the most affordable flight options available from Grand Junction to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Grand Junction to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Grand Junction to Allentown that are best for you.

Best time to book a flight from Grand Junction to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Grand Junction with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Grand Junction to Allentown

What is the cheapest month to book a flight from Grand Junction to Allentown?

Related info for your journey

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

Can I find deals for flights from Grand Junction to Allentown that include hotel bookings?

How can I find direct flights from Grand Junction to Allentown?

Can I find deals for business class flights from Grand Junction to Allentown?

What is the cheapest month to book a flight from Grand Junction to Allentown?

Browse thousands of different options on Cheapflights for your next trip

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Cheapest flights from Grand Junction to Allentown
Explore the most affordable flight options available from Grand Junction to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.