Today's drop ·
Cheap flights from Seattle to Los Cabos
$415 round trip right now, 22% under the $531 this route usually costs.
How cheap is this?
Telly prices every departure date six months out on this route, for trips of 2 to 14 nights, and measures each fare against what the route usually costs. The cheapest round trip right now is $415 on Alaska Airlines, nonstop, against a usual $531. 9% under usual, among this route's lowest.
When to go
The cheapest dates fall in Dec–Jan, for trips of 5 nights. Dec in Los Cabos runs around 84°. The dates come picked because a cheap fare only exists on certain days; the exact ones and the booking link are in the app.
Passport required
Los Cabos is outside the US and Canada, so you need a passport. Every flight on Telly leaves the country; that is the whole filter.
Questions about this route
How much is a flight from Seattle to Los Cabos?+
Right now $415 round trip, on Alaska Airlines. The route usually costs $531, so this fare is 22% under. Checked Nov 4, 2026.
When are the cheapest dates to fly to Los Cabos?+
The cheapest dates Telly found are in Dec–Jan, for trips of 5 nights. It prices every departure date six months out on this route and keeps only the lowest. The exact dates are in the app.
Do I need a passport to fly from Seattle to Los Cabos?+
Yes. Los Cabos is outside the US and Canada, and every flight on Telly leaves the country, so every one needs a passport.
