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North America
Denver
USA · DEN · 1,522.163 km from SF (via SJC)
Est. Dec 2026
$335
peak
April and November are Colorado's mud-season bargain windows.
Summer hiking and winter skiing book-end the year; mud season is dead.
Ready to book?
Suggested cheapest window October 2026 · 2026-10-07 → 2026-10-15
Or search December 2026: 2026-12-07 → 2026-12-15
December 2026 is peak
Peak season. Expect premium fares, busy attractions, and the weather locals brag about.
Why this season?
- Weatherdrives prices upJan, Feb, Mar, Jun, Jul, Aug, DecLocally peak weather and tourism
Summer hiking and winter skiing book-end the year; mud season is dead.
- Weatherdrives prices downApr, Oct, NovOff-season weather discounts
Quieter months driven by local climate; see the climate note for specifics.
Weather through the year
12-month fare curve
12-month estimated fare curve
Range $175 – $335
off-peak shoulder peak holiday spike
$335
$335
$335
$175
$220
$335
$335
$335
$220
$175
$175
$335
J
F
M
A
M
J
J
A
S
O
N
D
Cheapest month
November
~$175 · off-peak
Most expensive
December
~$335 · peak
Peak months
Jan, Feb, Mar, Jun, Jul, Aug, Dec
avoid these for budget