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$393+ Cheap flights from Boise to Allentown (BOI - ABE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ABE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Boise to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 September 11, 2025.

Round-trip from

$429
(Delta)

One-way from

$393
(United Airlines)
From Boise Air Term. Gowen Fld to Allentown-Bethlehem
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One-way flight from Boise Air Term. Gowen Fld to Allentown-Bethlehem
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Find flight deals from Boise to Allentown

Cheapest flights from Boise to Allentown
Explore the most affordable flight options available from Boise to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 9/167:00 amBOI - ABE
2 stops12h 54mUnited Airlines
Wed 10/11:00 pmABE - BOI
2 stops12h 44mUnited Airlines
Deal found 9/10$501
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/48:20 amBOI - ABE
1 stop6h 33mUnited Airlines
Wed 10/86:30 amABE - BOI
2 stops12h 28mUnited Airlines
Deal found 9/9$553
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/1212:27 pmBOI - ABE
1 stop20h 10mUnited Airlines
Sun 9/146:37 amABE - BOI
1 stop6h 54mUnited Airlines
Deal found 9/9$1,124

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 September 11, 2025.
Use the filters below to find and compare flights from Boise to Allentown that are best for you.

Fly from

Boise

Fly to

Allentown

Route

Depart

Return

Price

BoiseAllentown

BOI - ABE

BOIABE

Boise Air Term. Gowen Fld

Sat 3/7

8:05 am-9:47 pm

2 stops11h 42m

Allentown-Bethlehem

Tue 3/10

5:32 pm-11:06 pm

1 stop7h 34m

$489

BoiseAllentown

BOI - ABE

BOIABE

Boise Air Term. Gowen Fld

Fri 3/6

1:43 pm-10:52 pm

1 stop7h 09m

Allentown-Bethlehem

Tue 3/10

6:30 am-12:45 pm

1 stop8h 15m

$489

BoiseAllentown

BOI - ABE

BOIABE

Boise Air Term. Gowen Fld

Fri 3/6

2:43 pm-1:55 pm

2 stops21h 12m

Allentown-Bethlehem

Tue 3/10

5:32 pm-11:06 pm

1 stop7h 34m

$508

BoiseAllentown

BOI - ABE

BOIABE

Boise Air Term. Gowen Fld

Sat 10/4

8:20 am-4:53 pm

1 stop6h 33m

Allentown-Bethlehem

Wed 10/8

6:30 am-4:58 pm

2 stops12h 28m

$553

BoiseAllentown

BOI - ABE

BOIABE

Boise Air Term. Gowen Fld

Tue 9/16

12:27 pm-9:54 pm

1 stop7h 27m

$393

BoiseAllentown

BOI - ABE

BOIABE

Boise Air Term. Gowen Fld

Sat 10/4

7:00 am-9:54 pm

2 stops12h 54m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Boise to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Boise 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 Boise to Allentown

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

Currently, February is the cheapest month in which you can book a flight from Boise to Allentown (average of $289). Flying from Boise to Allentown in December is currently the most expensive (average of $382). 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.

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

Find hourly flight availability from Boise to Allentown. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from Boise to Allentown is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 12% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Boise 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 Boise to Allentown?

    There are many flights that can get you from Boise to Allentown in 7h 09m. Fly via United Airlines or Delta to get the fastest option. Airlines will cover a distance of 2078 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Allentown?

    Currently, February is the cheapest month in which you can book a flight from Boise to Allentown (average of $289). Flying from Boise to Allentown in December is currently the most expensive (average of $382). 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.

See more FAQs

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