Cheap Flights from Seattle to Denver
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The latest fare from Seattle to Denver: $168 round trip, Dec 5 – Dec 12, seen Nov 4. Prices by month are below.
Across 5 months of observations from Seattle to Denver, the lowest round-trip economy fare we recorded was $46, in September. The typical economy fare was $258. September was the cheapest month we saw and November the dearest.
The most recent economy price we saw on this route was $168 on Frontier, seen Nov 4.
See every deal from Seattle, to Denver, or the return direction Denver to Seattle.
Latest economy price we saw: Seattle to Denver
The most recent economy round-trip fare we saw on this route.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Seattle (SEA) to Denver (DEN) | $168 | 8.2¢ | Dec 5 – Dec 12 | Frontier | Nov 4 | Check price |
Economy price history: Seattle to Denver
The lowest fares we saw each month.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Nov 2026 | $168 | $334 | 72 |
| Oct 2026 | $66 | $375 | 314 |
| Sep 2026 | $46 | $353 | 196 |
| Aug 2026 | $60 | $138 | 254 |
| Jul 2026 | $88 | $88 | 1 |
Frequently asked questions
How many flight deals from Seattle to Denver are on Sparkflights right now?
There are 0 deals from Seattle to Denver on the board right now.
What is the lowest price ever seen from Seattle to Denver?
The lowest economy fare we've recorded from Seattle to Denver is $46, based on 837 price observations over 5 months.
How much does a flight from Seattle to Denver cost?
The typical round-trip economy fare we observed from Seattle to Denver is $258, against a recorded low of $46. These are observations, not quotes.
When is the cheapest month to fly Seattle to Denver?
For economy fares from Seattle to Denver, September was the cheapest month we observed and November the dearest, over 5 months of data.
What is the current price from Seattle to Denver?
The most recent economy fare we saw from Seattle to Denver is $168, on Nov 4.