Cheap flights from Boston to Knoxville from $50
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Knoxville departing on 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
BostonKnoxville
BOS Boston Logan Intl - TYS Knoxville McGhee Tyson
BOSTYS
Boston Logan Intl
Sat 11/14
9:09 am-11:39 am
Nonstop2h 30m
Knoxville McGhee Tyson
Thu 11/26
9:30 am-11:45 am
Nonstop2h 15m
BostonKnoxville
BOS Boston Logan Intl - TYS Knoxville McGhee Tyson
BOSTYS
Boston Logan Intl
Tue 11/3
11:32 am-2:02 pm
Nonstop2h 30m
Knoxville McGhee Tyson
Sat 11/7
6:00 am-8:19 am
Nonstop2h 19m
BostonKnoxville
BOS Boston Logan Intl - TYS Knoxville McGhee Tyson
BOSTYS
Boston Logan Intl
Sat 11/14
10:19 am-11:23 am
2 stops25h 04m
Knoxville McGhee Tyson
Thu 11/26
9:30 am-11:45 am
Nonstop2h 15m
BostonKnoxville
BOS Boston Logan Intl - TYS Knoxville McGhee Tyson
BOSTYS
Boston Logan Intl
Tue 10/27
2:40 pm-7:36 pm
1 stop4h 56m
Knoxville McGhee Tyson
Wed 10/28
6:45 am-1:59 pm
1 stop7h 14m
BostonKnoxville
BOS Boston Logan Intl - TYS Knoxville McGhee Tyson
BOSTYS
Boston Logan Intl
Tue 12/8
3:26 pm-8:43 pm
1 stop5h 17m
Knoxville McGhee Tyson
Wed 12/9
6:00 am-11:12 am
1 stop5h 12m
BostonKnoxville
BOS Boston Logan Intl - TYS Knoxville McGhee Tyson
BOSTYS
Boston Logan Intl
Wed 11/4
8:09 am-3:27 pm
1 stop7h 18m
Knoxville McGhee Tyson
Wed 11/11
5:19 pm-9:50 pm
1 stop4h 31m
BostonKnoxville
BOS Boston Logan Intl - TYS Knoxville McGhee Tyson
BOSTYS
Boston Logan Intl
Wed 11/4
6:00 am-11:02 am
1 stop5h 02m
Knoxville McGhee Tyson
Tue 11/10
6:10 pm-11:22 pm
1 stop5h 12m
BostonKnoxville
BOS Boston Logan Intl - TYS Knoxville McGhee Tyson
BOSTYS
Boston Logan Intl
Thu 11/5
5:39 am-10:20 am
1 stop4h 41m
Knoxville McGhee Tyson
Tue 11/10
6:05 am-11:25 am
1 stop5h 20m
BostonKnoxville
BOS Boston Logan Intl - TYS Knoxville McGhee Tyson
BOSTYS
Boston Logan Intl
Sat 11/14
12:00 pm-8:54 pm
2 stops8h 54m
Knoxville McGhee Tyson
Thu 11/26
11:20 am-3:50 pm
1 stop4h 30m
BostonKnoxville
BOS Boston Logan Intl - TYS Knoxville McGhee Tyson
BOSTYS
Boston Logan Intl
Sat 10/24
11:47 am-9:44 am
2 stops21h 57m
Knoxville McGhee Tyson
Sun 11/1
7:30 am-9:42 am
Nonstop2h 12m
See travel insights to Knoxville from
How to get the cheapest flight ticket from Boston to Knoxville
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Boston and Knoxville?
Prices are currently low for flights on this route.
Typical prices usually range from $236 to $433.The lowest price recently found on this route was $119.
What is the cheapest month to fly to Knoxville?
The month of February is, on average, the cheapest month to fly to Knoxville from Boston, with most prices found around $163. If you aren’t able to travel during the month of February, then book flights to Knoxville from Boston during September instead. Flights to Knoxville in September, while not as cheap as those in February, still average around $264.
What is the cheapest day to depart on your flight to Knoxville?
The cheapest day to depart from Boston to Knoxville is on a Friday. Travelers who choose to depart for Knoxville on a Friday will often find tickets for as low as $192. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Knoxville for around $362.
What is the cheapest Boston Logan Intl to Knoxville McGhee Tyson flight route?
Fly from Boston Logan Intl to Knoxville McGhee Tyson for the best Boston Logan Intl - Knoxville McGhee Tyson flight prices
How far in advance should I book a flight from Boston to Knoxville?
You are more likely to see cheaper flights to Knoxville from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $295 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Boston for as low as $220 on momondo.
What cabin class options are available on Boston to Knoxville flights?
There is only 1 cabin class available to choose from on Boston to Knoxville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Boston to Knoxville flight prices changed over time?
As of October 2026, prices for Boston to Knoxville flights are approximately 17% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Boston Logan Intl to Knoxville McGhee Tyson?
Southwest, Delta, and United Airlines are the most popular carriers operating from Boston Logan Intl to Knoxville McGhee Tyson
What airlines fly to Knoxville?
Allegiant Air, American Airlines and Delta are the top three most popular airlines that fly to Knoxville from Boston according to our data. Allegiant Air is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 6 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Boston and Knoxville?
New York (LGA) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Boston to Knoxville?
Flights via Philadelphia (PHL) offer the lowest average round-trip price of $346.
Which layover airport has the shortest travel time from Boston to Knoxville?
Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 5h 04m.
Which layover airport has the shortest connection time from Boston to Knoxville?
Philadelphia (PHL) has the shortest average layover time for this route: 1h 21m.
When to book flights from Boston to Knoxville
Cheap Boston to Knoxville (BOS to TYS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Knoxville
Frequently asked questions about flying from Boston to Knoxville
How far is Boston Logan Intl to Knoxville McGhee Tyson by plane?
The distance between Boston Logan Intl and Knoxville McGhee Tyson is about 816.8 mi. By plane, this route typically takes 2h 29m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Knoxville McGhee Tyson Airport?
Prices for flights from Boston Logan Intl Airport to Knoxville McGhee Tyson Airport refresh daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Knoxville McGhee Tyson Airport?
The number of operators available for flights from Boston Logan Intl Airport to Knoxville McGhee Tyson Airport is 5 as of October 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Knoxville McGhee Tyson Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Knoxville McGhee Tyson Airport.
What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?
The travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to Knoxville?
Based on momondo bookings for flights between Boston and Knoxville, the leading plane model is Airbus A320-100/200, making up 90.91% of the total bookings. Other popular models include Embraer 175 with 1.82%, Boeing 737 MAX 8 with 1.21%, and Airbus A321-100/200 with 1.21%.
What is the most popular airline from Boston to Knoxville?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Knoxville is Allegiant Air (59% of total bookings). The next most popular airlines are American Airlines (21%), Delta (12%), and Southwest (5%).
Best airlines flying from Boston to Knoxville
Compare and see reviews for airlines that fly from Boston to Knoxville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $92 | Free Cancellation | Rating 7.3 678 reviews | |||
| PriceFrom $146 | Free Cancellation | Rating 7.8 8,645 reviews | |||
| PriceFrom $210 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $262 | Free Cancellation | Rating 7.0 12,145 reviews | |||
| PriceFrom $279 | Free Cancellation | Rating 7.9 4,222 reviews |
Allegiant Air Flights From Boston to Knoxville
The lowest priced Allegiant Air flight from Boston to Knoxville from the last 72 hours was $92. Generally, Allegiant Air has 3 flights on this route every week with an average price of $238. Allegiant Air is rated 7.3/10 by our users.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Boston to Knoxville?
Finding the right flight to Knoxville from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knoxville quick and easy, saving you time and money.
Can I find flights from Boston to Knoxville with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Boston to Knoxville flights to just show those with flexible booking policies.
How can momondo help me find flights from Boston to Knoxville?
Once all potential Boston to Knoxville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Boston to Knoxville right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Boston to Knoxville flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.