Route Price Intelligence
Cheap Flights From Seattle to Denver
Live pricing benchmarks, monthly patterns, and historical lows for this route.
⭐ Great DealFound 1d ago
$88Mile High City for pocket change! Seattle to Denver just $88 roundtrip on Frontier - perfect for a quick mountain escape or connecting to ski country.
✓ 3 date combinations found at this price
Search Google FlightsTypical Price
$251
Deals From
$88
Usually Costs
$88 – $315
Lowest We've Seen
$51
Based on 8,669 price pointshigh confidence
Monthly Price Guide
Jan
$315
Feb
$315
Mar
$280
Apr
$154
May
$164
Jun
$208
Jul
$207
Aug
$206
Sep
$315
Oct
$315
Nov
$316
Dec
$316
Cheapest Average Expensive
Best Time to Fly from Seattle to Denver
The cheapest time to fly from Seattle to Denver is typically April, when fares average around $154. The most expensive month tends to be December at around $316. For the best deals, consider flying in April, May, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $5188 price checksWorst: $118