Find Allegiant Air(G4) flights from Cincinnati to Boston

At the moment, you can catch a nonstop flight from Cincinnati to Boston with the following airlines, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes around 2 hours 14 minutes to fly from Cincinnati (CVG) to Boston (BOS).

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cincinnati 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.

Based on Trip.com data in the past 4 weeks, there is 37 flight per week flying from Cincinnati to Boston. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL5800 (07:29)

The cheapest months to fly from Cincinnati to Boston is October, when demand for travel is lower.

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Cincinnati to Boston on December 29, 2025 with Frontier Airlines, with prices starting at $145.

You can land at any one of the following hubs in Boston, with Cincinnati/Northern Kentucky International Airport to Logan International Airport (CVG-BOS) is by far the most common option on this route: Logan International Airport (BOS) Hartford Barnes Airport (BNH) Portsmouth International Airport at Pease (PSM).

The time difference between Boston and Cincinnati 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.