Seattle to Denver: what the flight costs
In the last 60 days we checked this route 9 times. The typical round trip was $394 per person and the lowest $365, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | $365 |
| Typical (median) | $394 |
| Price checks, 60 days | 9 |
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Trips we picked on this route
$394 $365 per person, round trip, taxes and fees included You save $29 (7%)
the typical fare on this route
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| Oct 12, 2026 | Oct 23–25, 2026 | $394 | F9 | with a stop | 14h 53m | Kiwi.com |
| Oct 12, 2026 | Oct 23–25, 2026 | $365 | Frontier | nonstop | 2h 50m | Google Flights |
| Oct 12, 2026 | Oct 16–18, 2026 | $463 | F9 | with a stop | 13h 35m | Kiwi.com |
| Oct 12, 2026 | Oct 16–18, 2026 | $430 | Frontier | with a stop | 12h 30m | Google Flights |
| Oct 12, 2026 | Oct 23–25, 2026 | $394 | F9 | with a stop | 2h 50m | Kiwi.com |
| Oct 12, 2026 | Oct 16–18, 2026 | $473 | F9 | with a stop | 2h 50m | Kiwi.com |
| Oct 12, 2026 | Oct 23–25, 2026 | $394 | F9 | with a stop | 14h 53m | Kiwi.com |
| Oct 12, 2026 | Oct 23–25, 2026 | $365 | Frontier | nonstop | 2h 50m | Google Flights |
| Oct 12, 2026 | Oct 23–25, 2026 | $394 | F9 | with a stop | 2h 50m | Kiwi.com |
About Denver
Denver is the gateway to the Rockies, with craft breweries, a mile-high food scene and Red Rocks concerts, and Rocky Mountain National Park an easy day trip.
Denver from every city: when to go, where to stay, what to do
Questions about Seattle to Denver
What does a round trip from Seattle to Denver usually cost?
Over the last 60 days the typical price we found was $394 per person, taxes and fees included, across 9 checks; the lowest was $365.
When is the best time to fly from Seattle to Denver?
Denver is at its best in May, June, July, August, September and October. Avoid January, February, March: Snow and cold, unless you are heading on to the ski resorts
Do I need a passport to fly from Seattle to Denver?
No, a government photo ID is enough for US citizens.