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$128+ Cheap flights from Boston to Allentown (BOS - 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ABE
août 18 — août 251
lun. 8/18
lun. 8/25
1 adult, Economy
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Cheap flight deals from Boston to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 août 13, 2025.

Round-trip from

$174
(American Airlines)

One-way from

$128
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$438
From Boston Logan Intl to Allentown-Bethlehem
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One-way flight from Boston Logan Intl to Allentown-Bethlehem
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Highest demand for flights based on searches. 11% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Boston to Allentown

Cheapest flights from Boston to Allentown
Explore the most affordable flight options available from Boston to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on août 13, 2025.

This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/99:00 amBOS - ABE
1 stop5h 05mAmerican Airlines
mar. 9/162:37 pmABE - BOS
1 stop5h 48mAmerican Airlines
Deal found 8/12$174
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/87:45 amBOS - ABE
1 stop6h 20mAmerican Airlines
lun. 9/157:00 pmABE - BOS
1 stop4h 44mAmerican Airlines
Deal found 8/12$234
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/2410:00 amBOS - ABE
1 stop12h 41mMultiple Airlines
dim. 10/263:01 pmABE - BOS
1 stop8h 54mMultiple Airlines
Deal found 8/11$238
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/57:15 pmBOS - ABE
1 stop5h 02mAmerican Airlines
lun. 12/81:44 pmABE - BOS
1 stop6h 31mAmerican Airlines
Deal found 8/12$258
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/124:22 pmBOS - ABE
1 stop6h 20mMultiple Airlines
dim. 9/141:00 pmABE - BOS
1 stop10h 10mMultiple Airlines
Deal found 8/12$262
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/133:00 pmBOS - ABE
2 stops21h 10mMultiple Airlines
lun. 9/1512:54 pmABE - BOS
1 stop10h 16mMultiple Airlines
Deal found 8/11$279
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/273:53 pmBOS - ABE
1 stop5h 51mAmerican Airlines
dim. 8/316:15 amABE - BOS
1 stop4h 53mAmerican Airlines
Deal found 8/12$283
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/56:15 amBOS - ABE
1 stop14h 43mMultiple Airlines
lun. 12/88:30 amABE - BOS
2 stops16h 14mMultiple Airlines
Deal found 8/12$312

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 août 13, 2025.
Use the filters below to find and compare flights from Boston to Allentown that are best for you.

Fly from

Boston

Fly to

Allentown

Route

Depart

Return

Price

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

mar. 9/9

9:00 am-2:05 pm

1 stop5h 05m

Allentown-Bethlehem

mar. 9/16

2:37 pm-8:25 pm

1 stop5h 48m

$174

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

lun. 9/8

7:45 am-2:05 pm

1 stop6h 20m

Allentown-Bethlehem

lun. 9/15

7:00 pm-11:44 pm

1 stop4h 44m

$234

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

ven. 10/24

10:00 am-10:41 pm

1 stop12h 41m

Allentown-Bethlehem

dim. 10/26

3:01 pm-11:55 pm

1 stop8h 54m

$238

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

ven. 9/12

4:22 pm-10:42 pm

1 stop6h 20m

Allentown-Bethlehem

dim. 9/14

1:00 pm-11:10 pm

1 stop10h 10m

$262

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

sam. 9/13

3:00 pm-12:10 pm

2 stops21h 10m

Allentown-Bethlehem

lun. 9/15

12:54 pm-11:10 pm

1 stop10h 16m

$279

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

mer. 8/27

3:53 pm-9:44 pm

1 stop5h 51m

Allentown-Bethlehem

dim. 8/31

6:15 am-11:08 am

1 stop4h 53m

$283

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

jeu. 9/18

7:33 am-1:00 pm

1 stop5h 27m

Allentown-Bethlehem

dim. 9/21

6:05 am-11:47 am

1 stop5h 42m

$322

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

jeu. 9/11

10:00 am-10:38 pm

1 stop12h 38m

$128

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

dim. 9/21

10:00 am-10:38 pm

1 stop12h 38m

$136

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

lun. 9/15

4:22 pm-10:42 pm

1 stop6h 20m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 16 results
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Best time to book a flight from Boston to Allentown

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

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

Currently, February is the cheapest month in which you can book a flight from Boston to Allentown (average of $289). Flying from Boston 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.

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

Find hourly flight availability from Boston 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 août 13, 2025.

When flying from Boston to Allentown, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 51% versus a flight in the afternoon.

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 août 13, 2025.
See what other customers who have flown with United Airlines and American Airlines from Boston to Allentown have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,920 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,920 reviews
United Airlines
7.4
Good
8,920 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,920 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

  • What is the cheapest airline to fly from Boston to Allentown round-trip?

    Flying on American Airlines is currently your cheapest option to Allentown, with prices starting at $174. Users have found that American Airlines is 40% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Boston to Allentown (average of $289). Flying from Boston 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.

See more FAQs

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Other flights to Allentown

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Top 2 airlines flying from Boston to Allentown

Discover the top 2 airlines that operate flights from Boston 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 2,558,603 searches. Data last updated août 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$155Average$369FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$155Average$279FlexibilityNo cancel feeOn-time69%

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