How much is a flight from Denver to Seattle?

The cheapest fare found in the last few days was $168. That is a recent find rather than a live quote, so the page shows exactly when it was seen.

Is there a nonstop flight from Denver to Seattle?

The page lists the cheapest nonstop fare and the cheapest fare with a connection separately, whenever both were found.

How often do these prices update?

Every hour. When a fare moves materially we tell the search engines the same hour, so the number in search results follows the number on the page.

Cheap flights from Denver to Seattle

Denver to Seattle is 1,641 km. Below are the cheapest fares found in the last few days, each one stamped with when it was seen and which airline sold it.

Cheapest fare$168seen 15 Oct 2026 · $0.10 per km15% below this route's 90 day average85% dearer than when we last checked

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Fares found recently

Frontier AirlinesF91175Low cost
6 Nov 2026 · Nonstop
$168seen 15 Oct 2026

Prices come from searches Aviasales users ran recently, not from a live availability check, which is why each one shows when it was found. Open the search to see today's seats.

Price history

over the last 43 days

Lowest: $91
Average: $198
Highest: $334

Airlines on this route

Alaska Airlines
Frontier AirlinesLow cost
United Airlines
Southwest AirlinesLow cost

Other routes from Denver

Flights from Denver Flights to Seattle

How much is a flight from Denver to Seattle?: The cheapest fare found in the last few days was $168. That is a recent find rather than a live quote, so the page shows exactly when it was seen.
Is there a nonstop flight from Denver to Seattle?: The page lists the cheapest nonstop fare and the cheapest fare with a connection separately, whenever both were found.
How often do these prices update?: Every hour. When a fare moves materially we tell the search engines the same hour, so the number in search results follows the number on the page.