What is the cheapest month to fly from Des Moines to Seattle?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Des Moines (DSM) to Seattle (SEA), with fares starting from $171.

What is the lowest current fare from DSM to SEA?

The lowest currently-listed fare from Des Moines (DSM) to Seattle (SEA) is $171 on 2026-08-24.

Is there a direct flight from Des Moines to Seattle?

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

Cheap flights from Des Moines to Seattle

Cheapest current fares: $171 in August 2026 on connecting flights.

Last updated August 9, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Des Moines (DSM) to Seattle (SEA). Refreshed daily.

Des Moines (DSM) → Seattle (SEA)

August 2026 $171

Frequently asked questions

What is the cheapest month to fly from Des Moines to Seattle?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Des Moines (DSM) to Seattle (SEA), with fares starting from $171.
What is the lowest current fare from DSM to SEA?

The lowest currently-listed fare from Des Moines (DSM) to Seattle (SEA) is $171 on 2026-08-24.
Is there a direct flight from Des Moines to Seattle?

There is currently no non-stop service from DSM 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.