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Flights from Allentown to Boston

Search cheap flights from Allentown to Boston in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$142, and round-trip tickets start at US$355.

      • ABE 16:57
        5h 16m
        1 stop
        BOS 22:13
        Allentown - Boston | Fri, Aug 14 | American Airlines
        BOS 17:45
        5h 40m
        1 stop
        ABE 23:25
        Boston - Allentown | Mon, Aug 17 | American Airlines
        US$355 US$773
        54% off
        54% off
        US$773 US$355
      • ABE 17:41
        7h 33m
        1 stop
        BOS 01:14
        Allentown - Boston | Fri, Aug 14 | United Airlines
        BOS 17:45
        5h 40m
        1 stop
        ABE 23:25
        Boston - Allentown | Mon, Aug 17 | American Airlines
        US$429 US$773
        45% off
        45% off
        US$773 US$429
      • ABE 19:09
        5h 28m
        1 stop
        BOS 00:37
        Allentown - Boston | Thu, Jul 16 | American Airlines
        BOS 18:55
        5h 28m
        1 stop
        ABE 00:23
        Boston - Allentown | Fri, Jul 17 | American Airlines
        US$438 US$773
        43% off
        43% off
        US$773 US$438
      • ABE 10:35
        8h 55m
        1 stop
        BOS 19:30
        Allentown - Boston | Thu, Jul 16 | United Airlines
        BOS 12:30
        8h 37m
        1 stop
        ABE 21:07
        Boston - Allentown | Sat, Jul 18 | United Airlines
        US$469
        39% off
        US$773 US$469
      • ABE 10:35
        8h 55m
        1 stop
        BOS 19:30
        Allentown - Boston | Tue, Jul 21 | United Airlines
        BOS 17:23
        7h
        1 stop
        ABE 00:23
        Boston - Allentown | Sat, Jul 25 | American Airlines
        US$481
        38% off
        US$773 US$481
      • ABE 06:15
        6h 42m
        1 stop
        BOS 12:57
        Allentown - Boston | Wed, Aug 5 | United Airlines
        BOS 15:13
        5h 54m
        1 stop
        ABE 21:07
        Boston - Allentown | Tue, Aug 11 | United Airlines
        US$532
        31% off
        US$773 US$532
      • ABE 17:41
        5h 40m
        1 stop
        BOS 23:21
        Allentown - Boston | Fri, Jul 17 | United Airlines
        BOS 15:13
        5h 54m
        1 stop
        ABE 21:07
        Boston - Allentown | Tue, Jul 21 | United Airlines
        US$539
        30% off
        US$773 US$539
      • ABE 17:41
        7h 33m
        1 stop
        BOS 01:14
        Allentown - Boston | Fri, Jul 31 | United Airlines
        BOS 18:55
        5h 28m
        1 stop
        ABE 00:23
        Boston - Allentown | Sun, Aug 2 | American Airlines
        US$543
        30% off
        US$773 US$543
      • ABE 17:41
        5h 40m
        1 stop
        BOS 23:21
        Allentown - Boston | Tue, Aug 11 | United Airlines
        BOS 20:15
        13h 42m
        1 stop
        ABE 09:57
        Boston - Allentown | Mon, Aug 17 | United Airlines
        US$547
        28% off
        US$773 US$547
      • ABE 17:41
        7h 33m
        1 stop
        BOS 01:14
        Allentown - Boston | Mon, Aug 10 | United Airlines
        BOS 20:15
        13h 42m
        1 stop
        ABE 09:57
        Boston - Allentown | Mon, Aug 17 | United Airlines
        US$556
        28% off
        US$773 US$556
      • ABE 13:00
        17h 25m
        1 stop
        BOS 14:00
        Allentown - Boston | Thu, Jul 16 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        ABE 16:00
        Boston - Allentown | Sat, Jul 18 | Normal Airline
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      • ABE 17:41
        7h 33m
        1 stop
        BOS 01:14
        Allentown - Boston | Sat, Jul 25 | United Airlines
        US$142 US$330
        56% off
        56% off
        US$330 US$142
      • ABE 17:41
        7h 33m
        1 stop
        BOS 01:14
        Allentown - Boston | Sat, Aug 1 | United Airlines
        US$148 US$330
        55% off
        55% off
        US$330 US$148
      • ABE 10:35
        8h 55m
        1 stop
        BOS 19:30
        Allentown - Boston | Tue, Jul 21 | United Airlines
        US$164 US$330
        50% off
        50% off
        US$330 US$164
      • ABE 10:18
        22h 51m
        1 stop
        BOS 09:09
        Allentown - Boston | Tue, Aug 4 | Allegiant Air
        US$186
        44% off
        US$330 US$186
      • ABE 17:41
        5h 40m
        1 stop
        BOS 23:21
        Allentown - Boston | Tue, Aug 11 | United Airlines
        US$195
        41% off
        US$330 US$195
      • ABE 06:15
        6h 42m
        1 stop
        BOS 12:57
        Allentown - Boston | Tue, Aug 4 | United Airlines
        US$210
        36% off
        US$330 US$210
      • ABE 14:16
        9h 5m
        1 stop
        BOS 23:21
        Allentown - Boston | Wed, Jul 15 | United Airlines
        US$225
        32% off
        US$330 US$225
      • ABE 17:41
        7h 33m
        1 stop
        BOS 01:14
        Allentown - Boston | Tue, Jul 28 | United Airlines
        US$234
        28% off
        US$330 US$234
      • ABE 17:41
        7h 33m
        1 stop
        BOS 01:14
        Allentown - Boston | Sat, Aug 8 | United Airlines
        US$236
        28% off
        US$330 US$236
      • ABE 06:15
        6h 35m
        1 stop
        BOS 12:50
        Allentown - Boston | Wed, Aug 26 | United Airlines
        US$237
        28% off
        US$330 US$237
      • ABE 13:00
        17h 25m
        1 stop
        BOS 14:00
        Allentown - Boston | Thu, Jul 16 | Normal Airline
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Allentown to Boston Flight Details

The distance between Allentown and Boston is about 415.95 km. Based on Trip.com's latest data, travel demand is highest in December. The off-season for travel is August.

Cheapest one-way flight priceUS$142
Cheapest return ticket priceUS$355
Cheapest monthAugust
Peak season for travelDecember
Flight distance415.95 km
Flight statistics for the Allentown–Boston route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Allentown to Boston (ABE-BOS)?

    Based on Trip.com data, United Airlines offers one-way fares as low as US$142 on Cheapest nonstop routes (e.g. ABE to BOS on Sat, Jul 25), while American Airlines offers Cheapest nonstop round-trips from US$355 departing on Fri, Aug 14 and returning on Mon, Aug 17.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Allentown to Boston is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Allentown to Boston, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Jul 25, with one-way flights priced at just US$142.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Boston travel is around December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Allentown to Boston is August, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Allentown to Boston on July 14, 2026 with United Airlines, with prices starting at US$481.
  • The time difference between Boston and Allentown is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.