Cheap flights from San Diego to Denver (SAN - DEN)

Flight FAQs

From San Diego to Denver

Are flight prices decreasing from San Diego to Denver due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Diego and Denver for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from San Diego to Denver Intl have flexible cancellations due to COVID-19?

Some of the carriers operating flights from San Diego to Denver Intl that may be offering flexible cancellation policies are Frontier, United Airlines, and Spirit Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What airports do I use to fly from San Diego to Denver?

You will need to book a flight from San Diego to Denver Intl if you want to fly from San Diego to Denver. At least 7 different airlines have flights from San Diego (SAN) to Denver Intl (DEN) on a regular basis. There are 14 flights to Denver from the San Diego airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SAN to DEN to be around 2h 08m.

Can I find flights from San Diego to Denver for under $100 on Cheapflights?

Yes, there are multiple flights from San Diego to Denver for under $100. The cheapest flight booked recently is on Multiple Airlines for just $73, but on average you can expect to pay $92.

Are there nonstop flights from San Diego to Denver for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from San Diego to Denver under $100. A good price for a nonstop flight from San Diego to Denver is less than $100.

Are there last-minute flights available from San Diego to Denver for under $100?

There are currently 20+ open flights from San Diego to Denver within the next 7 days for less than $100.

What days are nonstop flights available from San Diego to Denver?

You can find nonstop flights on the following days: Sunday, Monday, Friday.

How popular is this flight route?

This flight path from San Diego to Denver Intl was viewed by 228 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How many flights depart from San Diego to Denver on average per day?

Per day, 10 flights depart from San Diego to Denver Intl on average.
Morning (6am - Noon) - 60% of flight departures
Afternoon (Noon - 6pm) - 40% of flight departures

Does it rain more in San Diego or Denver?

Expected rainfall in San Diego is more than in Denver. You can expect this to be the case over the next 3 days.

Is San Diego weather warmer or cooler than Denver?

With an average temperature of 90 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Denver are hotter than in San Diego.

How long is the flight from San Diego to Denver?

There are many flights that can get you from San Diego to Denver in 2h 23m. Fly via Frontier to get the fastest option. The distance between San Diego and Denver is about 856 mi. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from San Diego to Denver round-trip?

Currently priced at $82, Frontier will fly you from San Diego to Denver and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Spirit Airlines for as low as $110. Users have found that Frontier is 52% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from San Diego to Denver one-way?

One-way options have recently been found by users for as low as $33 on Frontier. Other airlines that offer cheap prices include United Airlines from $49 and Spirit Airlines from $69 one-way.