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$142+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ABE
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$219
(American Airlines)

One-way from

$142
(Kiwi.com)

Popular in

October

Cheapest in

November

Average price

$274
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. 6% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 12/69:00 amBOS - ABE
1 stop7h 44mAmerican Airlines
Mon 12/84:30 pmABE - BOS
1 stop7h 45mAmerican Airlines
Deal found 9/16$219
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 12/169:50 amBOS - ABE
1 stop6h 03mAmerican Airlines
Wed 1/71:39 pmABE - BOS
1 stop4h 43mAmerican Airlines
Deal found 9/16$264
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/810:59 amBOS - ABE
1 stop5h 40mAmerican Airlines
Sun 11/96:16 amABE - BOS
1 stop4h 50mAmerican Airlines
Deal found 9/16$268
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/3011:02 amBOS - ABE
1 stop5h 51mUnited Airlines
Sat 10/45:28 pmABE - BOS
1 stop7h 22mUnited Airlines
Deal found 9/15$289
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 11/144:13 pmBOS - ABE
1 stop6h 39mAmerican Airlines
Sun 11/166:16 amABE - BOS
1 stop4h 50mAmerican Airlines
Deal found 9/16$317
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/158:29 amBOS - ABE
1 stop5h 44mAmerican Airlines
Wed 10/222:43 pmABE - BOS
1 stop5h 12mAmerican Airlines
Deal found 9/17$326
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 11/89:26 amBOS - ABE
1 stop7h 13mAmerican Airlines
Mon 11/104:30 pmABE - BOS
1 stop5h 50mAmerican Airlines
Deal found 9/14$332
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 12/1611:19 amBOS - ABE
2 stops47h 10mMultiple Airlines
Wed 1/74:05 pmABE - BOS
1 stop30h 03mMultiple Airlines
Deal found 9/16$335
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 9/2312:20 pmBOS - ABE
1 stop20h 35mMultiple Airlines
Thu 9/254:55 pmABE - BOS
2 stops17h 03mMultiple Airlines
Deal found 9/16$342
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sat 12/66:15 amBOS - ABE
1 stop12h 03mMultiple Airlines
Mon 12/88:30 amABE - BOS
2 stops16h 10mMultiple Airlines
Deal found 9/16$372
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Fri 11/149:23 amBOS - ABE
2 stops13h 26mMultiple Airlines
Sun 11/1612:38 pmABE - BOS
1 stop12h 02mMultiple Airlines
Deal found 9/16$384

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 September 17, 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

Sat 12/6

9:00 am-4:44 pm

1 stop7h 44m

Allentown-Bethlehem

Mon 12/8

4:30 pm-12:15 am

1 stop7h 45m

$219

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Sat 11/8

10:59 am-4:39 pm

1 stop5h 40m

Allentown-Bethlehem

Sun 11/9

6:16 am-11:06 am

1 stop4h 50m

$268

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Fri 11/14

4:13 pm-10:52 pm

1 stop6h 39m

Allentown-Bethlehem

Sun 11/16

6:16 am-11:06 am

1 stop4h 50m

$317

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Wed 10/15

8:29 am-2:13 pm

1 stop5h 44m

Allentown-Bethlehem

Wed 10/22

2:43 pm-7:55 pm

1 stop5h 12m

$326

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Sat 11/8

9:26 am-4:39 pm

1 stop7h 13m

Allentown-Bethlehem

Mon 11/10

4:30 pm-10:20 pm

1 stop5h 50m

$332

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Tue 12/16

11:19 am-10:29 am

2 stops47h 10m

Allentown-Bethlehem

Wed 1/7

4:05 pm-10:08 pm

1 stop30h 03m

$335

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Tue 9/23

12:20 pm-8:55 am

1 stop20h 35m

Allentown-Bethlehem

Thu 9/25

4:55 pm-9:58 am

2 stops17h 03m

$350

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Thu 10/2

5:50 am-1:00 pm

1 stop7h 10m

Allentown-Bethlehem

Mon 10/6

5:53 pm-11:00 pm

1 stop5h 07m

$396

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Fri 9/26

4:22 pm-10:42 pm

1 stop6h 20m

Allentown-Bethlehem

Mon 9/29

12:54 pm-11:10 pm

1 stop10h 16m

$409

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Tue 9/30

12:10 pm-10:38 am

2 stops22h 28m

Allentown-Bethlehem

Sat 10/4

5:28 pm-12:50 am

1 stop7h 22m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 16 results
1
2

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 $383). 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 September 17, 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 September 17, 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
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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.

  • How long is the flight from Boston to Allentown?

    A quick flight from Boston to Allentown can take about 7h 44m. American Airlines provides one of the quickest options available for as low as $219. There are 258 mi between Boston and Allentown.

  • What are the cheapest airlines flying from Boston to Allentown round-trip?

    Flying on American Airlines is currently your cheapest option to Allentown, with prices starting at $155. Another option worth looking into is United Airlines, starting at $187 round trip. Users have found that American Airlines is 44% 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 $383). 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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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$155Average$318FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$187Average$279FlexibilityNo cancel feeOn-time69%

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