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$229+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ABE
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
1 adult, Economy
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Cheap 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 July 19, 2026.

This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:00 am
BOS
-
ABE
1 stop9h 08m
United Airlines
Wed 9/305:46 pm
ABE
-
BOS
1 stop5h 38m
United Airlines
Deal found 7/14$296
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Thu 8/2712:27 pm
BOS
-
ABE
1 stop8h 33m
United Airlines
Sat 8/296:01 pm
ABE
-
BOS
1 stop7h 10m
United Airlines
Deal found 7/18$356
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 10/89:15 am
BOS
-
ABE
1 stop13h 57m
Multiple Airlines
Sun 10/119:32 am
ABE
-
BOS
1 stop26h 37m
Multiple Airlines
Deal found 7/16$412
This United Airlines deal was found by Cheapflights users on 7/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:30 pm
BOS
-
ABE
1 stop8h 37m
United Airlines
Sat 7/186:15 am
ABE
-
BOS
1 stop6h 42m
United Airlines
Deal found 7/17$419
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 10/229:23 am
BOS
-
ABE
1 stop7h 45m
United Airlines
Sat 10/245:46 pm
ABE
-
BOS
1 stop5h 38m
United Airlines
Deal found 7/15$421
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:27 pm
BOS
-
ABE
1 stop8h 33m
United Airlines
Mon 8/315:36 pm
ABE
-
BOS
1 stop5h 58m
United Airlines
Deal found 7/16$446
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:15 am
BOS
-
ABE
1 stop13h 13m
Multiple Airlines
Mon 10/124:32 pm
ABE
-
BOS
1 stop17h 37m
Multiple Airlines
Deal found 7/15$452
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:05 am
BOS
-
ABE
1 stop26h 52m
United Airlines
Sat 9/195:36 pm
ABE
-
BOS
1 stop7h 34m
United Airlines
Deal found 7/14$459
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:05 am
BOS
-
ABE
1 stop26h 52m
United Airlines
Fri 8/215:36 pm
ABE
-
BOS
1 stop5h 58m
United Airlines
Deal found 7/16$464

Find 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 July 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$296
(United Airlines)

One-way from

$229
(United Airlines)

Popular in

May

Cheapest in

December

Average price

$790
Provider with most accurate pricing for Boston Logan Intl-Allentown-Bethlehem flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Allentown-Bethlehem flights.
Search Deals
From Boston Logan Intl to Allentown-Bethlehem
Search Deals
One-way flight from Boston Logan Intl to Allentown-Bethlehem
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 22% potential price decrease ($105 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 19, 2026.
Use the filters below to find and compare flights from Boston to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Thu 8/27

12:27 pm-9:00 pm

1 stop8h 33m

Allentown-Bethlehem

Sat 8/29

6:01 pm-1:11 am

1 stop7h 10m

$356
Quickest round-trip

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Thu 10/22

9:23 am-5:08 pm

1 stop7h 45m

Allentown-Bethlehem

Sat 10/24

5:46 pm-11:24 pm

1 stop5h 38m

$421

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Fri 9/18

7:05 am-9:57 am

1 stop26h 52m

Allentown-Bethlehem

Sat 9/19

5:36 pm-1:10 am

1 stop7h 34m

$459

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Sat 8/15

7:05 am-9:57 am

1 stop26h 52m

Allentown-Bethlehem

Fri 8/21

5:36 pm-11:34 pm

1 stop5h 58m

$464

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Mon 8/17

8:05 am-9:57 am

1 stop25h 52m

Allentown-Bethlehem

Mon 8/24

5:36 pm-1:10 am

1 stop7h 34m

$469

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Sat 9/26

6:00 am-9:05 pm

3 stops15h 05m

Allentown-Bethlehem

Wed 9/30

5:46 pm-12:59 am

1 stop7h 13m

$485

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Sat 8/15

6:00 am-9:57 am

3 stops27h 57m

Allentown-Bethlehem

Sat 8/22

6:01 pm-1:11 am

1 stop7h 10m

$511

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Mon 8/3

8:15 am-5:01 pm

1 stop8h 46m

Allentown-Bethlehem

Fri 8/7

5:41 pm-1:14 am

1 stop7h 33m

$513

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Tue 8/4

8:15 am-5:01 pm

1 stop8h 46m

Allentown-Bethlehem

Thu 8/6

5:41 pm-1:14 am

1 stop7h 33m

$567

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Sat 8/8

8:15 am-5:06 pm

1 stop8h 51m

Allentown-Bethlehem

Fri 8/14

5:36 pm-1:11 am

1 stop7h 35m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Boston to Allentown

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Allentown in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Allentown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Allentown flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Allentown flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Allentown flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Allentown flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, December is the cheapest month in which you can book a flight from Boston to Allentown (average of $192). Flying from Boston to Allentown in May is currently the most expensive (average of $1,718). 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.

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 July 19, 2026.
See what other customers who have flown with 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.
American Airlines
7.1
Good
11,822 reviews

Crew

7.9

Boarding

7.5

Entertainment

6.8

Food

6.4

Comfort

7.2

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.1
Good
11,822 reviews
American Airlines
7.1
Good
11,822 reviews

Crew

7.9

Boarding

7.5

Entertainment

6.8

Food

6.4

Comfort

7.2

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 8h 33m. United Airlines provides one of the quickest options available for as low as $356. There are 258 mi between Boston and Allentown.

  • 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 $138. Users have found that American Airlines is 75% 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, December is the cheapest month in which you can book a flight from Boston to Allentown (average of $192). Flying from Boston to Allentown in May is currently the most expensive (average of $1,718). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Boston to Allentown

Discover the top airline 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 July 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$138Average$280FlexibilityNo cancel feeOn-time71%

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