San Diego → Denver flights
San Diego (CLD, SAN)→Denver (APA, DEN)
from$83
Last observed price · Last checked: 11 Aug 2026 · Price may change
Selected search
Last checked: 11 Aug 2026 · Price may change
$83
Wed 2 Sep 2026 → Fri 11 Sep 2026
Frontier AirlinesNon-stop2h 35m9 nights
CheapestLast checked: 11 Aug 2026 · Price may change
$83 lowest$174 average2h 35m fastest
Tickets found in the last 7 days
The lowest fares our queries caught, cheapest first.
FA$83Cheapest2 Sep 2026 → 11 Sep 2026Frontier Airlines · Non-stop · 15:45Last checked: 11 Aug 2026 · Price may change9 nightsView ticket →FA$1063 Sep 2026 → 10 Sep 2026Frontier Airlines · Non-stop · 15:45Last checked: 11 Aug 2026 · Price may change7 nightsView ticket →FA$12913 Sep 2026 → 15 Sep 2026Frontier Airlines · Non-stop · 16:54Last checked: 11 Aug 2026 · Price may change2 nightsView ticket →FA$14025 Sep 2026 → 28 Sep 2026Frontier Airlines · Non-stop · 16:54Last checked: 11 Aug 2026 · Price may change3 nightsView ticket →FA$19529 Aug 2026 → 7 Sep 2026Frontier Airlines · Non-stop · 15:45Last checked: 11 Aug 2026 · Price may change9 nightsView ticket →FA$30823 Aug 2026 → 28 Aug 2026Frontier Airlines · 1 stop · 10:00Last checked: 11 Aug 2026 · Price may change5 nightsView ticket →
Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Observed priceLowest monthno price observedLast checked: 11 Aug 2026
San Diego → DenverWed 2 Sep 2026 · $83
Find flightsRoute facts
Direct flights
Non-stop
CLD - APA, 2h 35m
Airlines seen
2
Alaska Airlines, Frontier Airlines
Cheapest month
September 2026
$83
Average observed
$174
Typical duration
2h 35m
Alternative airports
2
SAN, DEN
Frequently asked
Are there direct flights from San Diego to Denver?+−
Yes. We have seen non-stop flights on this route, flown by Frontier Airlines, United Airlines, Southwest Airlines.
How much is a flight from San Diego to Denver?+−
The lowest fare we have observed is $83, found on 11 Aug 2026. Prices move, so read it as a floor rather than a quote.
Which airlines fly from San Diego to Denver?+−
These are the carriers we have seen on the route: Alaska Airlines, Frontier Airlines.
When is the cheapest month to fly from San Diego to Denver?+−
In our observations September 2026 is the cheapest month so far, at $83.
Similar routes
Last checked: 11 Aug 2026