Open interactive map →Cheap flights from Denver to Seattle
Fares on the Denver to Seattle route are tracked month by month. The lowest observed price is €107. Tracked fares on this route include at least one stop. The calendar below lists the months SkyHopp has fares for - not enough months yet to name a cheapest month.
A price calendar on this page lists tracked months as they fill in. Tracked fares on this route include at least one stop. If you are open on destination, use the interactive map from Denver to compare Seattle against nearby alternatives.
One-way fares
From €107
Cheapest tracked fare
Return fares
From €256
Tracked return fares (out 26 Nov 2026, back 29 Nov 2026)
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Get an email when Denver to Seattle fares are at or below your target price. The email includes the fare.
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Cheapest month to fly
- November 2026€1071 stopCheapest
SkyHopp has tracked fares for this route in November at around €107. That is the only month with data so far, so it is too early to name a cheapest month.
Cheapest fare last seen 27 October 2026.
November in Seattle
Avg 6°C~12 rainy days
Historical averages from Open-Meteo. Shown for the cheapest travel month.
Entry requirements for United States
EU passportESTA required (visa-waiver)
US passportN/A (domestic)
Requirements vary by nationality and change without notice. Check requirements for your nationality →
Alternative routes
Other ways to reach Seattle
Frequently asked questions
How much does a flight from Denver to Seattle cost?
The cheapest tracked fare from Denver to Seattle is €107. The month-by-month price calendar on this page lists the months SkyHopp has fares for. A tracked return fare on this pair is currently from €256. Fares are refreshed as our flight partners publish new availability.
Are there direct flights from Denver to Seattle?
SkyHopp has not observed a non-stop fare from Denver to Seattle in the current dataset. Tracked fares on this pair include at least one stop. Schedules change - check the booking site for a full breakdown by stop count on your dates.
When is the cheapest time to fly from Denver to Seattle?
SkyHopp does not yet have enough months of fares on this route to name a cheapest month. The calendar above lists the months that already have data. Set a price alert on this page to watch the fare.