Route Price Intelligence
Cheap Flights From San Diego to Denver
Live pricing benchmarks, monthly patterns, and historical lows for this route.
🔥 Fire DealFound 1d ago
$88Nonstop to Denver from San Diego is $88 round trip, about 66% off the typical fare on Frontier. That's an easy excuse for a fall mountain getaway or a quick Rockies weekend, with a flight time under three hours each way at a price that rarely dips this low.
✓ 7 date combinations found at this price
Search Google FlightsTypical Price
$236
Great Deal
Under $66
Typical Range
$66 – $257
Lowest We've Seen
$38
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$257
Feb
—
Mar
—
Apr
$190
May
$107
Jun
$177
Jul
$179
Aug
$179
Sep
$257
Oct
$257
Nov
$257
Dec
$257
Cheapest Average Expensive
Best Time to Fly from San Diego to Denver
The cheapest time to fly from San Diego to Denver is typically May, when fares average around $107. The most expensive month tends to be September at around $257. For the best deals, consider flying in May, June, July.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: August17,308 fares analyzedTypical low: $178