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Cheap flights from Allentown to Great Falls from $523

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Great Falls departing on 1/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Allentown to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:30 am - 9:43 pm
ABE
-
GTF
12h 13m2 stops
United Airlines Logo
6:10 am - 9:05 pm
GTF
-
ABE
12h 55m2 stops
$523United Airlines
Sat, Jan 31 - Tue, Feb 3
United Airlines Logo
11:30 am - 9:43 pm
ABE
-
GTF
12h 13m2 stops
United Airlines Logo
6:10 am - 9:05 pm
GTF
-
ABE
12h 55m2 stops
$568United Airlines
Sat, Jan 31 - Tue, Feb 3

United Airlines flights from Allentown to Great Falls

Our best United Airlines deals on Allentown to Great Falls flight tickets
United Airlines
Jan 31
ABE11:30 amAllentown-Bethlehem
12h 13m
2 stops
GTF9:43 pmGreat Falls
Feb 3
GTF6:10 amGreat Falls
12h 55m
2 stops
ABE9:05 pmAllentown-Bethlehem
$523
Find similar
United Airlines
Jan 31
ABE11:30 amAllentown-Bethlehem
12h 13m
2 stops
GTF9:43 pmGreat Falls
Feb 3
GTF6:10 amGreat Falls
12h 55m
2 stops
ABE9:05 pmAllentown-Bethlehem
$568
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Great Falls 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Allentown to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AllentownGreat Falls

ABE - GTF

ABEGTF

Allentown-Bethlehem

Sat 1/31

11:30 am-9:43 pm

2 stops12h 13m

Great Falls

Tue 2/3

6:10 am-9:05 pm

2 stops12h 55m

$523

AllentownGreat Falls

ABE - GTF

ABEGTF

Allentown-Bethlehem

Sat 1/31

11:30 am-9:43 pm

2 stops12h 13m

Great Falls

Tue 2/3

6:10 am-9:05 pm

2 stops12h 55m

$568

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Allentown to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Saturday when prices can be found for as low as $527. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Allentown because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $860.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is at noon. momondo users have found flights departing from Allentown to Great Falls at noon for as low as $544. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $678 on average. Flights to Great Falls from Allentown in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Allentown to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Great Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to Great Falls (ABE to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Great Falls

Fastest flight time

12h 13m

Direct flights

None
The fastest flight from Allentown to Great Falls takes 12h 13m
There are no direct flights from Allentown to Great Falls. There are no popular flight routes from Allentown to Great Falls.
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  • How far is Allentown-Bethlehem to Great Falls by plane?

    A flight from Allentown-Bethlehem to Great Falls will travel around 1823.0 mi. 12h 13m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Great Falls Airport?

    Prices for flights from Allentown-Bethlehem Airport to Great Falls Airport were last updated today.

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Great Falls Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The travel and health documents required for your trip to Great Falls Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Great Falls Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Great Falls?

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Why use momondo?

Why should I use momondo to find a flight deal from Allentown to Great Falls?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Allentown to Great Falls. momondo saves you time and could save you money on your trip.

Can I find flights from Allentown to Great Falls with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Allentown to Great Falls flights to just show those with flexible booking policies.

How can momondo help me find flights from Allentown to Great Falls?

Once all potential Allentown to Great Falls flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Allentown to Great Falls right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Allentown to Great Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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