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

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Seattle (SEA) to Quincy (UIN), with fares starting from $337.

What is the lowest current fare from SEA to UIN?

The lowest currently-listed fare from Seattle (SEA) to Quincy (UIN) is $337 on 2026-08-21.

Is there a direct flight from Seattle to Quincy?

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

Cheap flights from Seattle to Quincy

Cheapest current fares: $337 in August 2026 on connecting flights.

Last updated August 11, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Seattle (SEA) to Quincy (UIN). Refreshed daily.

Seattle (SEA) → Quincy (UIN)

August 2026 $337

Frequently asked questions

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

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Seattle (SEA) to Quincy (UIN), with fares starting from $337.
What is the lowest current fare from SEA to UIN?

The lowest currently-listed fare from Seattle (SEA) to Quincy (UIN) is $337 on 2026-08-21.
Is there a direct flight from Seattle to Quincy?

There is currently no non-stop service from SEA to UIN. 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.