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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Glasgow (GLA) to Seattle (SEA), with fares starting from $451.

What is the lowest current fare from GLA to SEA?

The lowest currently-listed fare from Glasgow (GLA) to Seattle (SEA) is $451 on 2026-06-12.

Is there a direct flight from Glasgow to Seattle?

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

Cheap flights from Glasgow to Seattle

Cheapest current fares: $451 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 Glasgow (GLA) to Seattle (SEA). Refreshed daily.

Glasgow (GLA) → Seattle (SEA)

June 2026 $451

Frequently asked questions

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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Glasgow (GLA) to Seattle (SEA), with fares starting from $451.
What is the lowest current fare from GLA to SEA?

The lowest currently-listed fare from Glasgow (GLA) to Seattle (SEA) is $451 on 2026-06-12.
Is there a direct flight from Glasgow to Seattle?

There is currently no non-stop service from GLA 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.