Southwest Airlines flights to Seattle

The best Southwest Airlines flight deals to Seattle

Looking for a last minute deal or the best direct flight? Find the biggest savings on one-way and return trips to Seattle with Southwest Airlines.

Find which Seattle airports Southwest Airlines flies to

Compare routes to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier.

Flying to Seattle with Southwest Airlines

The things to know before you go.
Cheapest month to flySeptember

Flying to Seattle with Southwest Airlines: FAQs

Southwest Airlines currently also flies to Denver International, Las Vegas Harry Reid International and Phoenix Sky Harbor.