Compare airlines, prices, and flight durations for your trip
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Boston to Knoxville:
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Answers to questions about the route that travelers are most interested in.
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Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Boston to Knoxville. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Boston to Knoxville, despite the fact that sometimes flights with transfers can cost significantly less.
Boston — Knoxville
04/30/2026
Departure
Direct flight
G41439
starting at $307
Boston — Knoxville
05/03/2026
Departure
Direct flight
G41414
starting at $148
The route Boston — Knoxville is served by several airlines: Allegiant Air, American Airlines, and Spirit Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $69 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest one-way flight from Boston to Knoxville departs on 05/03/2026, is operated by Allegiant Air and costs $69
There is no information about the cheapest roundtrip flight from Boston to Knoxville
Fastest flight from Boston to Knoxville takes 2h 29m
There are direct flights on this route 2 days a week: Su and Th
The distance between Boston and Knoxville is 1330km (825 miles). Boston and Knoxville are in the same time zone
We couldn't find any special offers for flights from Boston to Knoxville
The cheapest flight ticket from Boston to Knoxville according to data for the last 48 hours costs $69
Often the best time to buy tickets from Boston to Knoxville is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Boston to Knoxville can be found flying in these months: May, April.
The fastest flights from Boston to Knoxville start from 2 hours 29 minutes in the air.
The following airlines operate direct flights on the route Boston — Knoxville: Allegiant Air
The minimum one-way ticket price from Boston to Knoxville is $69 (May 2026), while the maximum is $203 (April 2026). On average, a ticket costs $136–$203.