CA $95 Cheap Flights from Denver (DEN) to San Diego (SAN)

Popular airlines 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 and start at CA $95 for one-way flights and CA $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
Alaska Airlines
Delta
American Airlines
Delta
Hawaiian Airlines
Delta
Delta
American Airlines

Find the cheapest month to fly from Denver (DEN) to San Diego (SAN)

September is typically the cheapest month to fly

From CA $66 - CA $176 per traveller.

Graph displaying average flight prices per month

Flight from Denver to San Diego (DEN - SAN) route information
Origin airport
Denver Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
CA $217
Distance
1363 km
Average flight time
1 hour 20 mins

Denver to San Diego Flights

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

With Expedia, it’s simple to find and book flights to San Diego from Denver 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 San Diego 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 Denver to San Diego today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from Denver to San Diego—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Diego from Denver currently is just CA $217 rising to CA $271.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to San Diego  
  • 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 San Diego from Denver 

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 San Diego with Expedia today.

Frequently asked questions

How much is a flight from DIA airport to San Diego Intl. Airport (SAN)?
Start packing your bags, because round-trip flights from DIA airport to SAN start from CA $217. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
Most flights can be cancelled online, but whether you incur a fee varies between airlines. If you do need to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN) that have flexible change policies?
Flights from DIA airport to San Diego Intl. Airport (SAN) offering flexible change policies are available from several carriers. Simply use our "No change fees" filter during your search. You'll only need to pay the cost difference between flights, without any added fees to worry about.
How many hours is the flight from Denver Airport to San Diego Airport?
It takes just 2 hours and 32 minutes to fly from DEN to San Diego Intl. Airport (SAN) — just enough time for forty winks. You'll be landing in San Diego by the time you open your eyes.
How far is the flight from Denver Intl. Airport (DEN) to SAN?
The distance from Denver Airport (DEN) to San Diego Intl. Airport (SAN) (SAN) is 1,350 kilometres. You'll be stepping off the plane and grabbing your baggage from the carousel in the blink of an eye.
Which airlines fly direct from Denver Airport to San Diego Intl. Airport (SAN)?
Southwest Airlines (WN) is a top choice. It operates 186 flights from DEN to SAN each month. Love some more options? Check out what's available with United Airlines (UA). This carrier offers 169 flights every month between these airports.
Are Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so it's no sure thing. While last-minute flight deals between DEN and SAN are possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some airlines publish their prices up to 12 months prior to the departure date. Expedia is constantly updating the biggest bargains around, so check back often and be ready to grab your seat when the fares dip.

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