CA $138 Cheap Flights from San Diego (SAN) to Denver (DEN)

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at CA $138 for one-way flights and CA $276 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
Delta
Delta
American Airlines
Delta
American Airlines
Delta
Delta
Delta
Flight from San Diego to Denver (SAN - DEN) route information
Origin airport
San Diego Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways
Roundtrip price
CA $275
Distance
1363 km

San Diego to Denver Flights

The easy way to book your flights from San Diego to Denver 

With Expedia, it’s simple to find and book flights to Denver from San Diego whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Air Canada, Frontier Airlines, Southwest Airlines, Copa Airlines, Lufthansa, United Airlines nonstop flights to Denver Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from San Diego to Denver today, tomorrow, or this week.  

 

Save dollars with cheap flights from San Diego Intl., SAN to Denver Intl., DEN 

Sort your search results by price to find great deals on your flight from San Diego to Denver—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Denver from San Diego currently is just CA $276 rising to CA $306.  

Here are more money-saving tips: 

  • Fly in January when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Denver  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Denver from San Diego 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Denver with Expedia today.

Frequently asked questions

How much is a flight from San Diego Airport to Denver Intl. Airport (DEN)?
The lowest price advertised for a round-trip flight between San Diego Intl. Airport (SAN) and Denver Intl. Airport (DEN) is CA $276. But you better move fast. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Diego Airport to Denver Intl. Airport (DEN)?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from San Diego Airport to DEN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SAN to DEN flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from SAN to Denver Intl. Airport (DEN)?
A flight distance of just 1,350 kilometers separates San Diego and Denver. Once you’re up in the skies, you won’t have time to do much more than listen to a few songs on your travel playlist.
Which airlines fly direct from San Diego Intl. Airport (SAN) to DIA airport?
Many people like to fly with Southwest Airlines (WN) from San Diego Intl. Airport (SAN) to Denver Airport. It offers 191 monthly flights, so you can pick a flight time that works for you. Offering 152 flights a month along this route, United Airlines (UA) is another traveler favorite.
Are San Diego Intl. Airport (SAN) to Denver Intl. Airport (DEN) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from SAN to DEN last minute could save you some cash. However, it might cost you a whole lot more! If you’d rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred carrier hasn’t released tickets yet, check back frequently as deals are updated on Expedia all the time.
*Available to Expedia members.