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

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Modlin (WMI) to Seattle (SEA), with fares starting from $436.

What is the lowest current fare from WMI to SEA?

The lowest currently-listed fare from Modlin (WMI) to Seattle (SEA) is $436 on 2026-09-20.

Is there a direct flight from Modlin to Seattle?

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

Cheap flights from Modlin to Seattle

Cheapest current fares: $436 in September 2026 on connecting flights.

Last updated August 7, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Modlin (WMI) to Seattle (SEA). Refreshed daily.

Modlin (WMI) → Seattle (SEA)

September 2026 $436
October 2026 $479
August 2026 $495
November 2026 $597

Frequently asked questions

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

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Modlin (WMI) to Seattle (SEA), with fares starting from $436.
What is the lowest current fare from WMI to SEA?

The lowest currently-listed fare from Modlin (WMI) to Seattle (SEA) is $436 on 2026-09-20.
Is there a direct flight from Modlin to Seattle?

There is currently no non-stop service from WMI 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.