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Cheap Flights from Denver to San Diego, CA, United States - DEN to SAN

Popular flights from Denver to San Diego

If your flight days are flexible and you looking for a good deal, our charts on cheap flights provide some insight regarding affordable flight options for your next big adventure.

Alaska Airlines
Departure Date Return Date Lowest Price
Apr 5, 2016 Apr 12, 2016 $253
Apr 20, 2016 Apr 26, 2016 $253
American Airlines
Departure Date Return Date Lowest Price
Mar 1, 2016 Mar 8, 2016 $201
Apr 30, 2016 May 3, 2016 $201
Frontier Airlines
Departure Date Return Date Lowest Price
Feb 25, 2016 Mar 1, 2016 $122
Spirit Airlines
Departure Date Return Date Lowest Price
Feb 17, 2016 Feb 23, 2016 $81
Feb 17, 2016 Mar 1, 2016 $81
Feb 17, 2016 Feb 24, 2016 $81
Feb 23, 2016 Mar 1, 2016 $81
Feb 23, 2016 Feb 24, 2016 $81
United Airlines
Departure Date Return Date Lowest Price
May 10, 2016 May 18, 2016 $187
May 17, 2016 May 25, 2016 $187
Virgin America
Departure Date Return Date Lowest Price
Mar 16, 2016 Mar 23, 2016 $255

How Much Does it Cost to Fly from Denver to San Diego (DEN to SAN)?

We have collected flight cost data from across the web for travel from Denver to San Diego, and have found the average flight price for this trip to be $92.

When Can I Buy the Cheapest Flight from Denver to San Diego (DEN to SAN)?

Airlines can adjust prices for plane tickets from Denver to San Diego based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Denver to San Diego

The chart below shows up-to-date information regarding how far in advance a flight from Denver to San Diego should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $81 $192
7-14 days $81 $192
14-21 days $81 $192
21-30 days $81 $186
30-60 days $81 $186
60-90 days $103 $195
90+ days $103 $195

Cheapest Day To Fly from Denver to San Diego

The chart below shows up-to-date information regarding the cheapest days to fly from Denver to San Diego.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$99 $81 $81 $96 $99 $94 $99

Lowest Fares Chart By Month from Denver to San Diego

The chart below shows the lowest fare by month when flying from Denver to San Diego.

Month Origin Destination Carrier Depart Date Return Date Stops Price
February Denver San Diego Spirit 2/17/16 2/23/16 0 $81
March Denver San Diego Spirit 3/1/16 3/8/16 0 $81
April Denver San Diego Spirit 4/20/16 4/23/16 0 $103
May Denver San Diego Spirit 5/10/16 5/18/16 0 $103
June Denver San Diego Spirit 6/1/16 6/14/16 0 $103
July Denver San Diego Frontier 7/12/16 7/18/16 0 $188
August Denver San Diego Spirit 8/23/16 8/30/16 0 $107
September Denver San Diego Spirit 9/10/16 9/17/16 0 $103

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Denver to San Diego

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Denver to San Diego.

Next 30 Days

SunMonTueWedThuFriSat
14 15 16 17 18 19 20
$100
21 22 23 24 25 26 27
$100 $94
28 29 1 2 3 4 5
$94 $99
6 7 8 9 10 11 12
$99 $119
13 14 15 16 17 18 19
$119 $192
20 21 22 23 24 25 26
$192

Non-Stop vs Connecting Flights from Denver to San Diego (DEN to SAN)

Your Denver to San Diego flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Denver to San Diego is $226.

The average price for non-stop flights from Denver to San Diego is $142.

The chart below shows up to date information regarding non-stop flights from Denver to San Diego.

Nonstop Flight Details from Denver to San Diego
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Frontier 2 1 2 2 2 2 2 06:45 17:35
Spirit 1 1 1 1 1 1 1 07:10 07:10
United 4 3 4 4 4 3 4 08:06 18:45

Round Trip vs One Way Flights from Denver to San Diego (DEN to SAN)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Denver to San Diego. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Denver to San Diego is $97.

The average price for round trip flights from Denver to San Diego is $187.

More Cheap Flights

FlightsAirlineLowest Price
Colorado Springs to San Diego American, Alaska, United $258
Aspen to San Diego American, Alaska, United $306
Montrose to San Diego American, United $442
Gunnison to San Diego American, Alaska, United $488
Vail to San Diego American, United $570
Hayden - Steamboat to San Diego American, Alaska, United Check Dates
Denver to Los Angeles American, Alaska, Frontier, Spirit, United, Virgin America $94
Denver to Las Vegas American, Alaska, Frontier, Spirit, United $88
Denver to Santa Ana American, Frontier, United $148
Denver to Ontario American, United $195
Denver to Phoenix American, Frontier, Spirit, United $78
Denver to Tijuana American, AeroMexico, Alaska, United $732
Denver to Palm Springs American, Alaska, United, Virgin America $246
Denver to Burbank American, United $167
Colorado Springs to Los Angeles American, United $308
Denver to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United $78
Denver to Long Beach American, United $258
Denver to PalomarCheck Dates
Denver to San Francisco American, Alaska, JetBlue, Frontier, United, Virgin America $132
Aspen to Los Angeles American, Alaska, United $289
Colorado Springs to Tijuana American, AeroMexico, Alaska, United $1,054
Denver to Chicago American, Frontier, Spirit, United $79
Denver to Santa Barbara American, Alaska, United $332
Denver to Atlanta American, Alaska, Frontier, Spirit, United $135
Vail to Los Angeles American, Alaska, United $289
Denver to Seattle American, Alaska, Frontier, United $133
Colorado Springs to Santa Ana American, Alaska, United $227
Denver to Tucson American, United $239
Denver to Yuma American, Alaska, United $254
Denver to Salt Lake City Frontier, United $98

Airlines Flying from Denver to San Diego (DEN to SAN)

Below are the different airlines that fly from Denver to San Diego with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Denver to San Diego.

Denver to San Diego
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American LAX X X X X X X X
Alaska SEA X X X X X X X
Alaska SEA / FAT X X X
Delta MSP X X X X X X X
Frontier - X X X X X X X
Spirit - X X X X X X X
Spirit LAS X X X X X X X
United - X X X X X X X
United LAX X X X X X X X
Southwest - X X X X X X X
Southwest TUS X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Denver and San Diego, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Denver to San Diego Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from Denver to San Diego?
Answer: The average Denver to San Diego flight time is 2 hours and 23 minutes.
Question: How many miles are there between Denver and San Diego?
Answer: The distance from Denver to San Diego is 851 miles.
Question: How common are direct flights from Denver to San Diego?
Answer: There are 46 direct flights from Denver to San Diego.
Question: What is the most popular airline for non-stop flights from Denver to San Diego?
Answer: United Airlines provides 56% of the non-stop flights between Denver and San Diego.
Question: What are the most popular connecting cities when flying from Denver to San Diego?
Answer: Las Vegas, NV
Denver (DEN) To San Diego, CA (SAN) Flights: Cheap Flights From Denver To San Diego | FareCompare.