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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Seattle (SEA) to Trenton (TTN), with fares starting from $430.

What is the lowest current fare from SEA to TTN?

The lowest currently-listed fare from Seattle (SEA) to Trenton (TTN) is $430 on 2026-06-01.

Is there a direct flight from Seattle to Trenton?

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

Cheap flights from Seattle to Trenton

Cheapest current fares: $430 in June 2026 on connecting flights.

Last updated May 25, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Seattle (SEA) to Trenton (TTN). Refreshed daily.

Seattle (SEA) → Trenton (TTN)

June 2026 $430

Frequently asked questions

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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Seattle (SEA) to Trenton (TTN), with fares starting from $430.
What is the lowest current fare from SEA to TTN?

The lowest currently-listed fare from Seattle (SEA) to Trenton (TTN) is $430 on 2026-06-01.
Is there a direct flight from Seattle to Trenton?

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