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

Flight FAQs

From San Diego to Denver

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 19 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 13m.

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.

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.

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 Spirit Airlines for just $64, but on average you can expect to pay $77.

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 $103.

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.

How popular is this San Diego to Denver 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.

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

Spirit Airlines, at $64, was found to be the cheapest airline from San Diego to Denver. An alternate airline flying to your destination would be Frontier. Spirit Airlines is priced at 62% lower than the current average price of a flight leaving 3 months from now.

What are the most reliable airlines from San Diego to Denver?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Diego to Denver on time: Frontier(93%), Air Canada(80%), United Airlines(73%.)

What are the most popular airlines that fly from San Diego to Denver?

The most popular airlines flying from San Diego to Denver are Major Airline, American Airlines and Delta. Something to consider prior to booking your flight.

What are the cheapest flights from San Diego to Denver?

While on average a flight from San Diego to Denver is generally $405, our data shows the cheapest flight currently is $63. When looking at the most popular route, (San Diego - Denver Intl), you can expect to pay $64 for that flight.