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

Based on current 6-month forward fare data, November 2026 is the cheapest month to fly from Hamilton (YHM) to Seattle (SEA), with fares starting from $210.

What is the lowest current fare from YHM to SEA?

The lowest currently-listed fare from Hamilton (YHM) to Seattle (SEA) is $210 on 2026-11-10.

Is there a direct flight from Hamilton to Seattle?

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

Cheap flights from Hamilton to Seattle

Cheapest current fares: $210 in November 2026 on connecting flights.

Last updated August 5, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Hamilton (YHM) to Seattle (SEA). Refreshed daily.

Hamilton (YHM) → Seattle (SEA)

November 2026 $210
October 2026 $238
August 2026 $331

Frequently asked questions

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

Based on current 6-month forward fare data, November 2026 is the cheapest month to fly from Hamilton (YHM) to Seattle (SEA), with fares starting from $210.
What is the lowest current fare from YHM to SEA?

The lowest currently-listed fare from Hamilton (YHM) to Seattle (SEA) is $210 on 2026-11-10.
Is there a direct flight from Hamilton to Seattle?

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