Seattle to Denver: what the flight costs
In the last 60 days we checked this route 14 times. The typical return was £297 per person and the lowest £275, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | £275 |
| Typical (median) | £297 |
| Price checks, 60 days | 14 |
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Trips we picked on this route
Just found · from SeattleLowest in 30 days
Denver
23 – 25 Oct 2026 · 2 nights
- Nonstop on Frontier, 2h 50m
- £22 per person below the typical fare on this route
- Lowest in 30 days on this route
£745 for two · 2 nights · flights, hotel, taxes & fees
Flights £550 + hotel £195, taxes in · a checked bag each adds about £181
Frontier · nonstop · 2h 50m
The catch: Hold luggage, seat selection and any resort fee are extra: they are not in the total.
Worth it if you want to walk, eat and see things; skip it if you want to switch off.
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| 14 Oct 2026 | 16 – 18 Oct 2026 | £390 | F9 | with a stop | 14h 25m | Kiwi.com |
| 14 Oct 2026 | 23 – 25 Oct 2026 | £303 | F9 | with a stop | 14h 38m | Kiwi.com |
| 14 Oct 2026 | 23 – 25 Oct 2026 | £286 | Frontier | nonstop | 2h 50m | Google Flights |
| 14 Oct 2026 | 23 – 25 Oct 2026 | £295 | F9 | nonstop | 2h 50m | Kiwi.com |
| 14 Oct 2026 | 16 – 18 Oct 2026 | £384 | F9 | with a stop | 11h 33m | Kiwi.com |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £297 | F9 | with a stop | 14h 53m | Kiwi.com |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £275 | Frontier | nonstop | 2h 50m | Google Flights |
| 12 Oct 2026 | 16 – 18 Oct 2026 | £349 | F9 | with a stop | 13h 35m | Kiwi.com |
| 12 Oct 2026 | 16 – 18 Oct 2026 | £324 | Frontier | with a stop | 12h 30m | Google Flights |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £297 | F9 | with a stop | 2h 50m | Kiwi.com |
| 12 Oct 2026 | 16 – 18 Oct 2026 | £357 | F9 | with a stop | 2h 50m | Kiwi.com |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £297 | F9 | with a stop | 14h 53m | Kiwi.com |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £275 | Frontier | nonstop | 2h 50m | Google Flights |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £297 | 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 return from Seattle to Denver usually cost?
Over the last 60 days the typical price we found was £297 per person, taxes and fees included, across 14 checks; the lowest was £275.
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 passport needed for travellers from the United States: a government photo ID is enough for Denver.
Prices converted from US dollars at the rate of 15 Oct 2026.