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

Popular airlines from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)

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Frequently asked questions

How long does it take to fly from DIA airport to SAN?
United Airlines operates a direct flight leaving from Denver Intl. Airport (DEN) at 7:47AM and coming in to land at San Diego Airport at 9:09AM — a travel time of 2 hours and 22 minutes. Lock in your favorite seat, bring something to keep you busy and the time will race by.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to SAN last minute?
Being the spontaneous type is a great way to travel the globe, but it's not necessarily the wisest way to nab a bargain airfare. Think about booking your DEN to SAN journey ahead of time rather than leaving it till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. We recommend saving that spontaneity for when you arrive in SAN!
What airline has the least delays from DEN to San Diego Intl. Airport (SAN)?
Book a seat with United Airlines from DIA airport to San Diego Airport and hit the tarmac at the time listed on your boarding card. This carrier tops the list on this route, with an 73% on-time score. If your flight experiences a delay, the free Expedia App will keep you updated. Download it and you'll get real-time trip alerts, from flight delays to gate changes.
What airports do you fly into for San Diego from Denver?
From Denver, you can journey to San Diego through San Diego Intl. Airport (SAN), McClellan-Palomar Airport (CLD) and San Diego, CA (MYF-Montgomery Field). Do some research into which airport is more convenient for you before making your decision. If you decide to land at San Diego Intl. Airport (SAN), it's approximately 3 kilometers northwest of the center of the city. Use the cash you save when booking your trip with Expedia to tour the city's awesome sights, such as San Diego Zoo and Balboa Park.
What are the most popular departure times for flights from Denver Airport to San Diego Airport?
Between 7:00 AM - 8:00 AM is when you'll find many United Airlines flights making their way from DIA airport to San Diego Airport. Want some good advice? Fly out earlier in the day. With air traffic yet to build up around airports, your odds of jumping on a delay-free flight are higher.
Can I change the date of my flight from DEN to SAN?
It's so easy to make amendments to your Denver Airport to SAN journey yourself. Simply go to the Expedia Trips portal and click on "change flight." Browse around for new flights and secure the one that better fits your plans. You'll get an estimate of any flight change costs. You can also head to our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

Travel information

Origin airport
Denver Intl.
Destination airport
San Diego Intl.
Distance
1363 km
Average flight time
1 hour 26 mins

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Denver to San Diego Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Denver to San Diego offer the perfect respite. Not only does exploring San Diego provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Denver to San Diego may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of San Diego are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to San Diego more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Diego is now!

Denver to San Diego Flights

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