Cheap flights from Boston to Knoxville

One-way fares from $135 · BOS → TYS · prices found by travellers in the last 48 hours

Cheapest fare
$135

American Airlines · Mon, Jan 11

Cheapest month
January

from $135

Direct flights
Not recently

Usually 1+ stop

Quickest trip
3h 46m

1,320 km

Get a price alert

We'll email you when Boston → Knoxville drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $135. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Boston to Knoxville

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. January 2027 Cheapest $135

Cheapest dates in January 2027

The lowest fares we've seen for each day, cheapest first.

American Airlines
Depart17:13 Mon, Jan 11BOS → TYS 3h 49m · 1 stop
$135one way, per person
View deal
See every date in January 2027 →

Plan the rest of your trip to Knoxville

Where to stay, what to do and getting around, from our travel partners.

About flights from Boston to Knoxville

Boston (BOS) and Knoxville (TYS) are about 1,320 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 46m. Over the next few months, one-way fares start from $135, and January 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Boston to Knoxville?

The cheapest one-way fare we've seen recently is $135 with American Airlines, departing Monday, January 11, 2027.

What is the cheapest month to fly from Boston to Knoxville?

January 2027 currently has the lowest fares, from $135 one way.

Are there direct flights from Boston to Knoxville?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Boston to Knoxville?

The quickest journey we've seen takes about 3h 46m. Boston and Knoxville are around 1,320 km apart.

Which airlines fly from Boston to Knoxville?

Recent fares on this route were with American Airlines.

More cheap flights from Boston

Compare flights to Knoxville from other cities →