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

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Seattle (SEA) to Knoxville (TYS), with fares starting from $213.

What is the lowest current fare from SEA to TYS?

The lowest currently-listed fare from Seattle (SEA) to Knoxville (TYS) is $213 on 2026-08-17.

Is there a direct flight from Seattle to Knoxville?

There is currently no non-stop service from SEA to TYS. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Seattle to Knoxville

Cheapest current fares: $213 in August 2026 on connecting flights.

Last updated August 3, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Seattle (SEA) to Knoxville (TYS). Refreshed daily.

Seattle (SEA) → Knoxville (TYS)

August 2026 $213

Frequently asked questions

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

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Seattle (SEA) to Knoxville (TYS), with fares starting from $213.
What is the lowest current fare from SEA to TYS?

The lowest currently-listed fare from Seattle (SEA) to Knoxville (TYS) is $213 on 2026-08-17.
Is there a direct flight from Seattle to Knoxville?

There is currently no non-stop service from SEA to TYS. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.