$53 Cheap Flights from Denver to San Diego

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Denver Intl. to San Diego Intl.

Amazing DEN to SAN Flight Deals

The cheapest flights to San Diego Intl. found within the past 7 days were $97 round trip and $53 one way. Prices and availability subject to change. Additional terms may apply.

Best San Diego Intl. Flight and Hotel Packages

San Diego Intl. flight + hotel packages - economy flights

The Dana on Mission Bay
Pacific Terrace Hotel
Rancho Bernardo Inn
Residence Inn by Marriott San Diego Downtown/Bayfront
Kona Kai Resort & Spa, A Noble House Resort
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Frequently asked questions

Can I catch a flight from Denver Airport to San Diego Intl. Airport (SAN) right now?
It’s always wise to know about any quarantine requirements and travel advice reports in effect in your destination. Make sure you go to the Covid-19 Travel Advisor for up-to-date information on booking a flight to San Diego Intl. Airport (SAN).
Are there direct flights from Denver Airport to San Diego Airport?
Sometimes, it’s the journey that counts; other times, the magic is in the destination. But if you just want to get to where you’re going fast, multiple airlines advertise direct flights from Denver Airport to San Diego Airport, including Southwest Airlines and United Airlines.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to San Diego Intl. Airport (SAN), please visit our Customer Service Portal.
How long is the flight from Denver Airport to San Diego Airport?
You’ll have just enough time to read a few chapters in your latest novel as the flight from Denver Intl. Airport (DEN) to San Diego Airport takes a short and sweet 2 hours and 22 minutes. You might just find yourself left on a cliffhanger!
What is the flight distance from Denver Airport to San Diego Airport?
There’s a flight distance of 850 mi between Denver Intl. Airport (DEN) and SAN. Make the most of your short-haul plane ride to pen down all the popular sightseeing places you want to drop by and how you’re going to get there. A detailed itinerary is key to having a fantastic vacation.
What airlines fly from Denver Airport to San Diego Airport?
You can take your pick from a few airlines with direct flights between Denver and San Diego County. Southwest Airlines (WN) is one of the most reliable. This carrier operates around 178 flights each month. If that’s not enough for you, have a look at the deals on offer from United Airlines (UA). This carrier operates 152 flights every month. Between the two, you’re sure to find the flight to suit your travel plans.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Southwest Airlines, Alaska Airlines or United Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From Denver Intl.
Traveling To San Diego Intl.
Shortest Flight Time 0 hours 15 mins
Earliest Departure Time 6:30AM PDT
Latest Departure Time 9:55PM PDT
Lowest Flight Price $97

Route Info

Flight path for flights from Denver International Airport to San Diego International Airport

Distance:
856.00 miles

Airlines & Aircraft Used on DEN to SAN Flight Routes

Airline Carrier
Aircraft
Frontier Airlines
De Havilland Canada DHC-8-400 Dash 8Q

Discover our best flights from Denver DEN to San Diego SAN. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Denver DEN to San Diego SAN at the right price  

Airfares to San Diego SAN from Denver DEN currently cost between $97 and $120. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Denver DEN to San Diego SAN 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Denver DEN to San Diego SAN on Travelocity starting at $53. Prices and availability subject to change. Additional terms may apply. 

 

Get to San Diego SAN from Denver DEN quicker with direct flights. 

Get to San Diego faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SAN from DEN to take around 0 hour(s) 15 min(s).  

 

Find our cheapest airfares for flights from Denver DEN to San Diego SAN

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SAN from DEN. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Denver DEN to San Diego SAN today 

If you’re flexible about when you travel, October is usually the cheapest month to fly from Denver DEN to San Diego SAN. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to San Diego SAN from Denver DEN 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SAN from DEN have this option.  

 

Travel with confidence when you book flights to San Diego SAN from Denver DEN with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.