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Allentown

$80+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ABE
Apr 5 — Apr 121
Sun 4/5
Sun 4/12
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 March 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/2. 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 5/3012:25 pm
BOS
-
ABE
1 stop6h 47m
Multiple Airlines
Mon 6/17:30 am
ABE
-
BOS
1 stop16h 27m
Multiple Airlines
Deal found 3/2$283
This American Airlines deal was found by Cheapflights users on 3/1. 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 4/45:30 pm
BOS
-
ABE
1 stop6h 59m
American Airlines
Sat 4/1112:00 pm
ABE
-
BOS
1 stop7h 56m
American Airlines
Deal found 3/1$285
This American Airlines deal was found by Cheapflights users on 3/2. 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 3/65:47 am
BOS
-
ABE
1 stop5h 43m
American Airlines
Tue 3/1012:45 pm
ABE
-
BOS
1 stop5h 12m
American Airlines
Deal found 3/2$302
This American Airlines deal was found by Cheapflights users on 3/6. 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 3/215:30 pm
BOS
-
ABE
1 stop6h 59m
American Airlines
Wed 3/2512:00 pm
ABE
-
BOS
1 stop6h 02m
American Airlines
Deal found 3/6$312
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 5/15:55 am
BOS
-
ABE
1 stop14h 15m
Multiple Airlines
Mon 5/41:01 pm
ABE
-
BOS
1 stop18h 46m
Multiple Airlines
Deal found 3/5$322
This American Airlines deal was found by Cheapflights users on 3/2. 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 3/245:30 pm
BOS
-
ABE
1 stop6h 01m
American Airlines
Sat 3/286:04 am
ABE
-
BOS
1 stop7h 18m
American Airlines
Deal found 3/2$361
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sun 4/268:42 am
BOS
-
ABE
1 stop14h 33m
Multiple Airlines
Tue 4/2812:17 pm
ABE
-
BOS
1 stop22h 12m
Multiple Airlines
Deal found 3/6$362
This KAYAK deal was found by Cheapflights users on 3/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:15 pm
BOS
-
ABE
1 stop8h 16m
American Airlines
Thu 3/126:04 am
ABE
-
BOS
1 stop7h 18m
American Airlines
Deal found 3/3$367
This American Airlines deal was found by Cheapflights users on 3/1. 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 3/116:52 pm
BOS
-
ABE
1 stop5h 37m
American Airlines
Sat 3/1412:00 pm
ABE
-
BOS
1 stop7h 39m
American Airlines
Deal found 3/1$377

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 March 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(Kiwi.com)

One-way from

$80
(American Airlines)

Popular in

January

Cheapest in

December

Average price

$346
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. 27% potential increase in price ($170 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 22% potential price decrease ($80 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 6, 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

Sat 5/30

12:25 pm-7:12 pm

1 stop6h 47m

Allentown-Bethlehem

Mon 6/1

7:30 am-7:47 am

2 stops24h 17m

$325

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Sun 4/26

8:42 am-11:15 pm

1 stop14h 33m

Allentown-Bethlehem

Tue 4/28

12:17 pm-10:29 am

1 stop22h 12m

$362

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Tue 3/24

12:07 pm-9:56 am

2 stops21h 49m

Allentown-Bethlehem

Sat 3/28

6:51 pm-12:35 am

1 stop5h 44m

$476
Quickest round-trip

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Fri 3/20

1:57 pm-9:56 am

2 stops19h 59m

Allentown-Bethlehem

Tue 3/24

10:31 am-5:17 pm

1 stop6h 46m

$506

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Sat 4/25

2:37 pm-9:48 am

2 stops19h 11m

Allentown-Bethlehem

Tue 4/28

5:43 pm-1:29 pm

2 stops19h 46m

$515

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Thu 4/2

9:20 am-5:03 pm

1 stop7h 43m

Allentown-Bethlehem

Sun 4/5

6:15 am-9:25 am

1 stop27h 10m

$572

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Fri 7/17

6:00 am-10:03 am

1 stop28h 03m

Allentown-Bethlehem

Mon 7/20

2:23 pm-1:16 pm

2 stops22h 53m

$578

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Sat 4/4

6:29 pm-10:51 pm

1 stop28h 22m

Allentown-Bethlehem

Sat 4/11

10:00 am-10:49 am

2 stops24h 49m

$579
Cheapest one-way

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Mon 6/8

5:55 am-11:06 pm

1 stop17h 11m

$125

BostonAllentown

BOS - ABE

BOSABE

Boston Logan Intl

Sat 4/4

5:39 am-11:30 am

1 stop5h 51m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 17 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 March.
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, March is the cheapest month in which you can book a flight from Boston to Allentown (average of $39). Flying from Boston to Allentown in May is currently the most expensive (average of $127). 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.

How much does it cost to fly round-trip from Boston to Allentown?

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 March 6, 2026.
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
9,403 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,403 reviews
United Airlines
7.4
Good
9,403 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,392 reviews
United Airlines
7.4
Good
9,403 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 21h 49m. United Airlines provides one of the quickest options available for as low as $476. 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 $138. Another option worth looking into is United Airlines, starting at $239 round trip. Users have found that American Airlines is 68% 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, March is the cheapest month in which you can book a flight from Boston to Allentown (average of $39). Flying from Boston to Allentown in May is currently the most expensive (average of $127). 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

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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 March 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$138Average$326FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$299FlexibilityNo cancel feeOn-time69%

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