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

Flight FAQs

From San Diego International 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.

What safety measures are being taken by airlines flying from San Diego to Denver Intl to control the spread of COVID-19?

New policies can now be found on Delta to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from San Diego to Denver Intl. Policies will vary by airline.

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.

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

Yes, there are multiple flights from San Diego International to Denver for under $100. The cheapest flight booked recently is on Frontier for just $62, but on average you can expect to pay $73.

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

Cheapflights has at least 20 direct flights from San Diego International to Denver under $100. A good price for a nonstop flight from San Diego International to Denver is less than $73.

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

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

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.

Does it rain more in San Diego or Denver?

Expected rainfall in San Diego is less than in Denver. You can expect this to be the case over the next 12 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 International to Denver?

Departing from San Diego International to Denver will take you 2h 26m. Most flights are nonstop.

What is the cheapest airline to fly from San Diego International to Denver round-trip?

According to our current data, Frontier ($62), offers the cheapest pricing from San Diego International to Denver. Users have found that Frontier is 63% cheaper than the other options available to this destination.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $27. Spirit Airlines flights start at $52 while deals on American Airlines start at $66 one-way.