Cheap direct flights from Seattle SEA
3 current round-trip routes with prices below typical for SEA. Tap a card to see live fares for those dates.
Refreshed within the last 72 hours · Updated 19 October 2026
Summary
There are 3 active direct-flight deals from Seattle–Tacoma International (SEA) with prices below the typical fare for each route, covering Boston, Kansas City and El Paso. The cheapest is $677 round-trip to Boston (BOS) for 21 Nov → 28 Nov (7 nights), 29% below the typical fare for that route. Average savings across the 3 deals is 11% off typical fares. Prices are refreshed daily from live Google Flights data. Updated 19 October 2026.
Alaska
Alaska
Alaska
Frequently asked questions
What's the cheapest direct flight from SEA right now?
$677 round-trip to Boston (BOS) for 21 Nov 2026 → 28 Nov 2026, which is 29% below the typical fare on that route.
Which destinations have deals from SEA?
3 destinations have active deals: Boston (BOS) from $677; Kansas City (MCI) from $677; El Paso (ELP) from $722.
How recent are these prices?
Each deal is backed by a live fare we verified within the last 72 hours. Routes without recent cached data don't appear on this page — start a search for a missing destination and the next refresh will pick up the deal.
Are these prices for direct flights only?
Yes. Never Layover only shows nonstop fares — no layovers, no connections. Every deal on this page is a single-leg outbound + single-leg return.