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

Airlines that fly from Denver International Airport (DEN) to San Diego Intl. Airport (SAN)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
Delta
United
United
United
Delta
United
United
United
Flight from Denver to San Diego route information
Origin airport
Denver Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
AU$308
Distance
1363 km

Your quick guide to flights from Denver to San Diego

Pick up great flights from Denver to San Diego

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Denver to San Diego. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Denver to San Diego that take around hours.

Find cheap flights from Denver to San Diego

From the great flight deals with prices currently ranging from AU$308 to AU$352, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Denver to San Diego around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to San Diego is normally in January.

Reasons to book your flight from Denver to San Diego with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Denver to San Diego across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to San Diego right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Denver Intl. Airport (DEN) to San Diego Airport?
Round-trip journeys between DIA airport and SAN start from AU$308. This is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DIA airport to SAN?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Denver Airport to San Diego Intl. Airport (SAN) 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 DEN to San Diego Intl. Airport (SAN) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from DIA airport to San Diego Intl. Airport (SAN)?
A flight distance of just 1 350 kilometres separates Denver and San Diego. Once you’re in the air, you won’t have time to do much more than listen to some short podcasts.
Which airlines fly direct from Denver Intl. Airport (DEN) to San Diego Airport?
Southwest Airlines (WN) is one of the preferred choices for travellers jetting between DIA airport and San Diego Airport. Choose from the 191 flights it operates on this route each month. Operating 152 flights each month along this route, United Airlines (UA) is another good option.
Are DIA airport to SAN flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Denver Airport to SAN are available up to 12 months before departure on Expedia. And although you may occasionally score fantastic last-minute deals, it’s not something you should count on. Also, booking your flights ahead of time means you’ll have more options — and you can avoid ending up with the dreaded middle seat! We’re constantly updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials.
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