75 € Knoxville (TYS) to Boston Logan International (BOS) Cheap Flights

Compare Knoxville to Boston Logan International flight deals

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Flight deals from Knoxville to Boston Logan International

Looking for a cheap last-minute deal or the best return flight from Knoxville Airport to Boston Logan International Airport? If you want to travel next month, return fares start from 106 €. Find the lowest prices on one-way and return tickets right here.

Boston.75 € per passenger.Departing Sat, 7 Nov, returning Sat, 14 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Sat, 7 Nov, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Sat, 14 Nov, arriving in Knoxville.Price includes taxes and charges.From 75 €, select.

Boston.84 € per passenger.Departing Sat, 14 Nov, returning Thu, 3 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Sat, 14 Nov, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Thu, 3 Dec, arriving in Knoxville.Price includes taxes and charges.From 84 €, select.

Boston.85 € per passenger.Departing Tue, 27 Oct, returning Sat, 14 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Tue, 27 Oct, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Sat, 14 Nov, arriving in Knoxville.Price includes taxes and charges.From 85 €, select.

Boston.92 € per passenger.Departing Sat, 12 Sep, returning Sat, 3 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Sat, 12 Sep, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Sat, 3 Oct, arriving in Knoxville.Price includes taxes and charges.From 92 €, select.

Boston.105 € per passenger.Departing Thu, 3 Dec, returning Sun, 13 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 3 Dec, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Sun, 13 Dec, arriving in Knoxville.Price includes taxes and charges.From 105 €, select.

Boston.106 € per passenger.Departing Sat, 12 Sep, returning Wed, 30 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Sat, 12 Sep, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Wed, 30 Sep, arriving in Knoxville.Price includes taxes and charges.From 106 €, select.

Boston.106 € per passenger.Departing Tue, 27 Oct, returning Thu, 29 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Tue, 27 Oct, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Thu, 29 Oct, arriving in Knoxville.Price includes taxes and charges.From 106 €, select.

Boston.152 € per passenger.Departing Sun, 6 Dec, returning Sat, 2 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Sun, 6 Dec, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Sat, 2 Jan, arriving in Knoxville.Price includes taxes and charges.From 152 €, select.

Boston.176 € per passenger.Departing Sat, 29 Aug, returning Sat, 12 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Sat, 29 Aug, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Sat, 12 Sep, arriving in Knoxville.Price includes taxes and charges.From 176 €, select.

Boston.229 € per passenger.Departing Sun, 23 Aug, returning Sat, 29 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Sun, 23 Aug, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Sat, 29 Aug, arriving in Knoxville.Price includes taxes and charges.From 229 €, select.

Boston.243 € per passenger.Departing Sat, 2 Jan, returning Sun, 3 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Sat, 2 Jan, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Sun, 3 Jan, arriving in Knoxville.Price includes taxes and charges.From 243 €, select.

Boston.344 € per passenger.Departing Fri, 28 May, returning Mon, 31 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Fri, 28 May, arriving in Boston Logan International.Inbound indirect flight with Delta, departs from Boston Logan International on Mon, 31 May, arriving in Knoxville.Price includes taxes and charges.From 344 €, select.

Boston.344 € per passenger.Departing Sun, 21 Feb, returning Sat, 27 Feb.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Knoxville on Sun, 21 Feb, arriving in Boston Logan International.Inbound indirect flight with Southwest Airlines, departs from Boston Logan International on Sat, 27 Feb, arriving in Knoxville.Price includes taxes and charges.From 344 €, select.

Boston.349 € per passenger.Departing Fri, 16 Apr, returning Sat, 17 Apr.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 16 Apr, arriving in Boston Logan International.Inbound direct flight with Allegiant Air departs from Boston Logan International on Sat, 17 Apr, arriving in Knoxville.Price includes taxes and charges.From 349 €, select.

Boston.403 € per passenger.Departing Fri, 25 Jun, returning Sun, 27 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Fri, 25 Jun, arriving in Boston Logan International.Inbound indirect flight with Delta, departs from Boston Logan International on Sun, 27 Jun, arriving in Knoxville.Price includes taxes and charges.From 403 €, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Boston Logan International flights are currently cheapest in November.

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Direct flights from Knoxville to Boston Logan International

Knoxville to Boston Logan International: Alternative routes

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

Knoxville to Boston: Flight information

The things to know before you go.

Cheapest flight found	75 €
Cheapest month to fly	November
Average flight time	2 hrs, 15 mins
Most popular airline	Allegiant Air
Average flights per week	4

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

How much are return flights from Knoxville to Boston Logan International?

The best price we found for a return flight from Knoxville to Boston Logan International is 75 €. 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.

How long does it take to fly from Knoxville to Boston Logan International?

2 hours and 15 minutes is the average flight time from Knoxville to Boston Logan International.

Which airlines fly direct from Knoxville to Boston Logan International?

Allegiant Air flies direct from Knoxville to Boston Logan International.

How many flights are there a week from Knoxville to Boston Logan International?

As of August 2026, there are 4 flights per week flying from Knoxville to Boston Logan International.

When is the cheapest time to fly from Knoxville to Boston Logan International?

The cheapest month to fly from Knoxville to Boston Logan International is usually November.

Which upcoming date is cheapest to fly from Knoxville Airport to Boston Logan International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Boston Logan International Airport on Saturday, 7 November 2026.

Can I get a direct flight from Knoxville Airport to Boston Logan International Airport?

Yes – the average flight time is 2 hours and 15 minutes.

How can I find the best flight deal to Boston Logan International?

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 Boston Logan International 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.

When is the best time to book flights to Boston?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boston is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Knoxville Airport to Boston Logan International with?

Currently, Allegiant Air offers the cheapest flight tickets to Boston Logan International.

Flying from Knoxville Airport (TYS) to Boston Logan International Airport (BOS): what you need to know

Hop on a direct flight from Knoxville Airport to Boston Logan International Airport and you'll be in the air for an average of 2 hours 15 minutes.
Knoxville and Boston follow the same timezone, UTC-5.
Get to the airport on time so you don't miss your TYS to BOS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.
Be prepared for longer lines in popular months such as October. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a good idea.
Travelling to Boston (and then exploring more of the United States!) is a cinch with Allegiant Air. This popular carrier has direct flights from Knoxville Airport to Boston Logan International Airport.
The airline most travellers prefer to fly with on this route is Allegiant Air.
With an impressive 85.71% of services arriving as scheduled, Allegiant Air has the best on-time record for TYS to BOS flights.

How to find the cheapest flights from Knoxville Airport (TYS) to Boston Logan International Airport (BOS)

The lowest price we've seen for a one-way Knoxville Airport to Boston Logan International Airport flight is 39 €. A round-trip plane ticket right now is 75 €. Depending on the availability and when you book, these fares could change.
Get cheap tickets from TYS to BOS by booking at least 11 months ahead. Based on our research, that's the sweet spot for bagging a bargain.
Organise your trip for April. That's the cheapest month for flights from Knoxville Airport to Boston Logan International Airport. If you're flexible with your travel dates, use the 'Whole month' tool to see the lowest airfare across every month.
Save time searching for cheap flights from TYS to BOS by setting up a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.
Discover the ideal flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Knoxville Airport to Boston Logan International Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about Knoxville Airport (TYS)

You'll find TYS at 2055 Alcoa Highway.
76% of flights departing from Knoxville Airport arrive at their destination on time.
To get to Knoxville Airport from central Knoxville, it takes around 25 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 24 kilometres from the airport to the city centre.
Expect a trip time of roughly 50 minutes on public transport.
Need a handy hotel close to TYS? If you've booked an early flight from Knoxville Airport to Boston Logan International Airport, these accommodation options will have you moments from your departure gate:

Arriving at Boston Logan International Airport (BOS)

Consider staying in a hotel close to BOS if you're taking a late Knoxville Airport to Boston Logan International Airport flight. Choose one of these options and skip the long transfer:
Travel at your own pace with a Boston Logan International Airport rental car. Book your wheels from Dollar, Budget or Thrifty and chase adventure across Boston and beyond.
Lock in the best rate by booking your vehicle from Boston Logan International Airport about one week before your departure date.

Getting from Boston Logan International Airport (BOS) to central Boston

BOS is located at One Harborside Drive.
Boston Logan International Airport is approximately 8 kilometres from the centre of Boston. The drive time takes about 20 minutes.
When travelling on public transport, expect a journey of around 25 minutes.

When to fly to Boston Logan International Airport (BOS)

July is the most popular month for flights from Knoxville Airport to Boston Logan International Airport. For smaller crowds, go to Boston in March.
Before locking in your flight from Knoxville Airport to Boston Logan International Airport, think about the kind of weather you enjoy. July is the warmest month in Boston, with temperatures ranging from 16ºC (61ºF) to 29ºC (84ºF).
Look for cheap tickets from TYS to BOS in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -8ºC (18ºF) and 6ºC (43ºF) on average.

Explore more of the United States

You've visited Boston, now it's time to discover other parts of the United States. Travel around 306 kilometres south-west to New York to check off its top attractions. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you'll have a packed itinerary ahead.
Philadelphia is another favourite destination in the United States and is around 434 kilometres south-west of Boston. No trip is complete without seeing Independence Hall, Liberty Bell and Philadelphia Museum of Art.