Route Price Intelligence
Cheap Flights From San Diego to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
San Diego to Seattle has fallen to $97, just $2 above the lowest fare we have ever recorded and 55% under the usual $214 price. There is currently one live date window, so this works best if your schedule is flexible enough to grab it. Seattle makes an easy long weekend for waterfront, coffee culture, and quick trips into the Cascades without needing a big travel budget.
✓ 11 date combinations found at this price
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Best Time to Fly from San Diego to Seattle
The cheapest time to fly from San Diego to Seattle is typically September, when fares average around $202. The most expensive month tends to be December at around $273. For the best deals, consider flying in September, October, January.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route