Cheap Flights from Boston to Knoxville from $57

Frequently Asked Questions

• What are the cheapest flights from Boston to Knoxville (BOS-TYS)?

  Based on Trip.com data, Allegiant Air offers one-way fares as low as $57 on Cheapest nonstop routes (e.g. BOS to TYS on Sat, Sep 19), while Allegiant Air offers Cheapest nonstop round-trips from $238 departing on Sun, Aug 30 and returning on Thu, Sep 3.

• Which airlines offer direct flights from Boston to Knoxville?

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

• How long does it take to fly from Boston (BOS) to Knoxville (TYS) and what is the distance?

  It takes around 2 hours 28 minutes to fly from Boston (BOS) to Knoxville (TYS).

• When is the best time to book flights from Boston to Knoxville?

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

• How many flights are there per week from Boston to Knoxville?

  Based on Trip.com data in the past 4 weeks, there is 3 flight per week flying from Boston to Knoxville. You can check the weekly schedule for popular airlines on this route below: Allegiant Air: -/-/-/-/-/-/- -- G43056 (09:59) Allegiant Air: -/-/-/-/-/-/- -- G41405 (10:47) Allegiant Air: -/-/-/-/-/-/S -- G41407 (10:49)

• How can I find the best deals on flights from Boston to Knoxville?

  To find best deals on flights from Boston to Knoxville, 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, Sep 19, with one-way flights priced at just $57.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Allegiant Air.
  · 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 Knoxville travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Boston (BOS) to Knoxville (TYS) the cheapest?

  The cheapest months to fly from Boston to Knoxville is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Boston to Knoxville on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Boston to Knoxville on August 27, 2026 with Allegiant Air, with prices starting at $111.

• Which airports can I fly to for Knoxville from Boston?

  You can land at any one of the following hubs in Knoxville, with Boston Logan International Airport to Mcghee Tyson Airport (BOS-TYS) is by far the most common option on this route: Mcghee Tyson Airport (TYS).

• Is there any time difference between Boston and Knoxville?

  The time difference between Knoxville and Boston is 0m.

• How do I change or cancel my ticket from Boston to Knoxville?

  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.

• What is the average cost of a one-way flight from Boston to Knoxville?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Boston to Knoxville is $217. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Boston to Knoxville?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Boston to Knoxville is $291. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Boston to Knoxville on Trip.com?

  Enter Boston and Knoxville, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Boston to Knoxville route?

  Allegiant Airare the most popular budget airlines flying from Boston to Knoxville. Check baggage, seat and payment fees before comparing the final price.