Skyscanner

Cheap Flights from Boston (BOS) to Knoxville (TYS)

Travellers and cabin class

Compare Boston Logan International to Knoxville flight deals

Find the cheapest month or even day of the year to fly to Knoxville

Book the best Knoxville fare with no extra fees

TrustScore 4.5 out of 5 4.5 out of 5 based on 1,746 reviews Trustpilot

Flight deals from Boston Logan International to Knoxville

Looking for a cheap last-minute deal or the best return flight from Boston Logan International to Knoxville? Find the lowest prices on one-way and return tickets right here.
Knoxville.$140 per passenger.Departing Sat, 23 Aug, returning Sun, 7 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Boston Logan International on Sat, 23 Aug, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Sun, 7 Sep, arriving in Boston Logan International.Price includes taxes and charges.From $140, select.
Knoxville.$140 per passenger.Departing Sat, 23 Aug, returning Tue, 26 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Boston Logan International on Sat, 23 Aug, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Tue, 26 Aug, arriving in Boston Logan International.Price includes taxes and charges.From $140, select.
Knoxville.$141 per passenger.Departing Sat, 14 Jun, returning Sat, 5 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Boston Logan International on Sat, 14 Jun, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Sat, 5 Jul, arriving in Boston Logan International.Price includes taxes and charges.From $141, select.
Knoxville.$141 per passenger.Departing Sun, 1 Jun, returning Wed, 4 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Boston Logan International on Sun, 1 Jun, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Wed, 4 Jun, arriving in Boston Logan International.Price includes taxes and charges.From $141, select.
Knoxville.$151 per passenger.Departing Thu, 23 Oct, returning Sat, 1 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Boston Logan International on Thu, 23 Oct, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Sat, 1 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $151, select.
Knoxville.$156 per passenger.Departing Wed, 28 May, returning Wed, 4 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Boston Logan International on Wed, 28 May, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Wed, 4 Jun, arriving in Boston Logan International.Price includes taxes and charges.From $156, select.
Knoxville.$156 per passenger.Departing Thu, 10 Jul, returning Tue, 15 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Boston Logan International on Thu, 10 Jul, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Tue, 15 Jul, arriving in Boston Logan International.Price includes taxes and charges.From $156, select.
Knoxville.$162 per passenger.Departing Thu, 4 Sep, returning Sun, 7 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Boston Logan International on Thu, 4 Sep, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Sun, 7 Sep, arriving in Boston Logan International.Price includes taxes and charges.From $162, select.

Find the cheapest month to fly from Boston Logan International to Knoxville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to Knoxville flights are currently cheapest in June.
May
from $162
Jun
from $140
Jul
from $156
Aug
from $140
Sep
from $162
Oct
from $162
Nov
from $172
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices

Direct flights from Boston Logan International to Knoxville

Boston Logan International to Knoxville: Alternative routes

Compare routes from Boston Logan International to Knoxville below. You may find an airport to fly into that's cheaper, faster, or easier than Knoxville.

Boston to Knoxville: Flight information

The things to know before you go.
Cheapest flight found$140
Cheapest month to flyAugust
Average flight time2 hrs, 27 mins
Most popular airlineAllegiant Air
Average flights per week6

Finding cheap flights from Boston Logan International to Knoxville: Frequently asked questions

The best price we found for a return flight from Boston Logan International to Knoxville is $140. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 27 minutes is the average flight time from Boston Logan International to Knoxville.
Allegiant Air flies direct from Boston Logan International to Knoxville.
As of May 2025, there are 6 flights per week flying from Boston Logan International to Knoxville.
The cheapest month to fly from Boston Logan International to Knoxville is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to Knoxville Airport on Saturday, 23 August 2025.
Yes – the average flight time is 2 hours and 27 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Knoxville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Knoxville is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Allegiant Air offers the cheapest flight tickets to Knoxville.

Flying from Logan International Airport (BOS) to McGhee Tyson Airport (TYS): what you need to know

  • The average time for a direct flight from Logan International Airport to McGhee Tyson Airport is 2 hours 30 minutes.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport with enough time to catch your BOS to TYS flight.

  • Be prepared for longer lines during popular months like August. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a smart move.

  • Allegiant Air is your gateway to discovering Knoxville (and perhaps some other exciting corners of United States!). Check out the direct flights from Logan International Airport to McGhee Tyson Airport offered by this popular airline.

  • The majority of travellers choose to travel with Allegiant Air on this route.

  • With 78.95% of services landing as planned, Allegiant Air is the most punctual carrier offering BOS to TYS flights.

  • If you want to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Logan International Airport to McGhee Tyson Airport. Here are the top stopovers between BOS and TYS:

    • Ronald Reagan National Airport

    • Washington Dulles International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Logan International Airport (BOS) to McGhee Tyson Airport (TYS)

  • At the moment, $70 is the cheapest price we've seen for a one-way Logan International Airport to McGhee Tyson Airport flight. The best price for a return ticket is $140. Remember that fares could change due to availability when booking.

  • Get cheap tickets from BOS to TYS by booking at least eight months ahead. According to our research, that's the sweet spot for bagging a bargain.

  • Schedule your trip for July. That's the cheapest month for flights from Logan International Airport to McGhee Tyson Airport. If you're flexible with your dates, try out the 'Whole month' tool to see the lowest airfare across every month.

  • Finding cheap flights from BOS to TYS is easy with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as a new discounted fare appears.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Logan International Airport to McGhee Tyson Airport.

Handy information about Logan International Airport (BOS)

  • You'll find BOS at One Harborside Drive.

  • When it comes to Logan International Airport's on-time performance, data shows 73.94% of flights meet their scheduled arrival time.

  • Logan International Airport is around 5 kilometres from central Boston. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.

  • Planning to take public transport? You can expect a journey time of around 25 minutes.

  • Have an early flight from Logan International Airport to McGhee Tyson Airport? Avoid the stress of rushing to the airport (and sneak in some extra precious sleep) by picking one of these hotels close to BOS:

Arriving at McGhee Tyson Airport (TYS)

  • If you're arriving on a late Logan International Airport to McGhee Tyson Airport flight, nothing tops the convenience of staying near the terminal. Pick up your bags from the carousel and then be tucked up in bed not long after at one of these accommodation options near TYS:

  • Follow your own route with a McGhee Tyson Airport rental car. Pick up a set of wheels from Budget, Alamo or Avis and see more of Knoxville and beyond.

  • Booking your ride from McGhee Tyson Airport about three weeks in advance increases your chances of getting a good deal.

Getting from McGhee Tyson Airport (TYS) to central Knoxville

  • TYS is located at 2055 Alcoa Highway.

  • McGhee Tyson Airport is roughly 23 kilometres from central Knoxville. The drive time takes around 20 minutes.

When to fly to McGhee Tyson Airport (TYS)

  • July is the most popular month for flights from Logan International Airport to McGhee Tyson Airport. To avoid the crowds, travel to Knoxville in February.

  • Book your flight from Logan International Airport to McGhee Tyson Airport for July if you want to visit Knoxville during its warmest month. You can expect temperatures of between 17ºC (63ºF) and 32ºC (90ºF).

  • Search for cheap tickets from BOS to TYS in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 11ºC (52ºF) on average.

Explore more of United States

  • Knoxville is easy to fall in love with, but there are so many other parts of United States just waiting to be explored. Around 451 kilometres north of Knoxville, a visit to Columbus will keep your itinerary packed. Start with popular sights like Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • If you want to check out another side of United States, consider Indianapolis, about 467 kilometres north-west of Knoxville. The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo are key highlights.

Plan the rest of your trip from Boston to Knoxville

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.