The San Diego–Denver route
San Diego–Denver is a short US hop (852 miles, SAN to DEN). Nonstop SAN–DEN is often on the schedule, about 2 hours airborne over 852 miles. Ground time and bags often decide whether a cheaper nearby airport is worth it.
For SAN–DEN we show about $79 on the low end and around $135 as a more typical one-way economy total, USD, last reviewed August 2026. A $79 one-way is a sale-shaped guide, not a fare you can screenshot and demand. Taxes, bags, and seats change what you pay on the seller site.
Search SAN to DEN on Azurovia, compare airline-direct and travel-site totals on the same flights, then finish with the seller. We do not ticket. Keep their confirmation for changes.
Distance and time SAN–DEN
Great-circle distance SAN–DEN is about 852 miles. Block time on a nonstop is typically near 2 hours; wind, routing, and which runway you use still move the clock. Connections on the same city pair add layover time on top of that flying.
Denver is about 1 hour ahead of San Diego on standard time (America/Los_Angeles vs America/Denver). Arrival clocks on DEN are local. That matters more on this pair than on a same-zone hop.
When SAN–DEN has a nonstop, that is usually the cleanest product. One-stop options still appear — they are worth opening only if the USD total is materially lower after you count the extra ground time.
Airports for San Diego to Denver
Both ends are in the United States: San Diego International (SAN) to Denver International (DEN). This is not an international itinerary, so the usual domestic bag and ID rules apply at the seller. Alternate metro airports can still beat this pair on price.
SAN is the only origin code we list in this metro. DEN is the arrival code we treat as primary for Denver. A cheaper nearby airport only wins if the transfer still fits your plan. Search with “include nearby airports” when you want those codes in one results list.
Airport pages: SAN San Diego International · DEN Denver International
City hubs: Flights from San Diego · Flights to Denver
Bags on SAN–DEN
US domestic San Diego–Denver inventory often includes basic economy. Cabin and checked bags may be extra — the result cards say so when we have that fact. A cheaper headline fare can lose once you add a carry-on.
Airlines often shown
Spirit is among the names that commonly appear on SAN–DEN, alongside Frontier, Alaska Airlines, American Airlines. That is who often operates or sells this city pair in our catalog, not a daily guarantee. Live search is the inventory that exists for your dates.
When people fly
On San Diego–Denver, demand is often softer in Jan and Feb, with Sep and Oct also worth checking. US holidays still reprice this pair. Move a day on the results strip before you assume the first date you typed is the cheapest.
Save this route
We’ll email you if live fares on this city pair drop. Search with dates for a specific trip.
Questions about this city pair
How long is the flight from San Diego to Denver?
Nonstop SAN–DEN is typically about 2 hours over roughly 852 miles. Connections take longer; compare total trip time on the results page.
When are San Diego to Denver fares often lower?
Demand is usually softer in Jan and Feb on this route, but live prices move daily. Search a few nearby dates rather than assuming a season is always cheapest.
Which airlines fly San Diego to Denver?
Sellers commonly show Spirit, Frontier, Alaska Airlines, American Airlines on this city pair. The set on any given day depends on schedule and which travel sites return a fare.
What do San Diego–Denver tickets usually cost?
Guide one-way economy totals cluster around $135, with sales near $79, in USD. Those are not a quote — live search is the price that matters.
Is SAN–DEN the only airport pair for this trip?
This guide uses SAN and DEN as the primary codes. If a seller offers another airport, it will show on live results when you include nearby airports.
Do I book San Diego–Denver with Azurovia?
No. Azurovia is a US metasearch. You compare airline and travel-site totals here, then complete the ticket with the seller you choose.