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

Popular flights from San Diego to Denver

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Aug 3, 2016 Aug 7, 2016 $308
Aug 17, 2016 Aug 21, 2016 $308
Aug 24, 2016 Aug 30, 2016 $308
Aug 24, 2016 Aug 27, 2016 $308
Aug 30, 2016 Sep 4, 2016 $308
American Airlines
Departure Date Return Date Lowest Price
Jun 1, 2016 Jun 14, 2016 $172
Frontier Airlines
Departure Date Return Date Lowest Price
May 16, 2016 May 17, 2016 $128
Spirit Airlines
Departure Date Return Date Lowest Price
May 10, 2016 May 24, 2016 $118
United Airlines
Departure Date Return Date Lowest Price
Jun 1, 2016 Jun 14, 2016 $155
Virgin America
Departure Date Return Date Lowest Price
Jun 24, 2016 Jun 27, 2016 $269

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

We have collected flight cost data from across the web for travel from San Diego to Denver, and have found the average flight price for this trip to be $137.

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

Airlines can adjust prices for plane tickets from San Diego to Denver 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 San Diego to Denver

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

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $257 $294
7-14 days $118 $210
14-21 days $122 $189
21-30 days $136 $172
30-60 days $136 $172
60-90 days $137 $204
90+ days $136 $201

Cheapest Day To Fly from San Diego to Denver

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

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$128 $118 $133 $137 $122 $137 $187

Lowest Fares Chart By Month from San Diego to Denver

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

Month Origin Destination Carrier Depart Date Return Date Stops Price
May San Diego Denver Spirit 5/10/16 5/24/16 0 $118
June San Diego Denver Spirit 6/1/16 6/14/16 0 $136
July San Diego Denver Spirit 7/26/16 8/9/16 0 $137
August San Diego Denver Spirit 8/2/16 8/9/16 0 $137
September San Diego Denver Spirit 9/10/16 9/15/16 0 $136
October San Diego Denver Spirit 10/1/16 10/11/16 0 $137
November San Diego Denver Spirit 11/10/16 11/13/16 0 $137
December San Diego Denver United 12/19/16 12/22/16 0 $333

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

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 San Diego to Denver.

Next 30 Days

SunMonTueWedThuFriSat
1 2 3 4 5 6 7
$257
8 9 10 11 12 13 14
$257 $137
15 16 17 18 19 20 21
$137 $122
22 23 24 25 26 27 28
$122 $183
29 30 31 1 2 3 4
$183 $178
5 6 7 8 9 10 11
$178

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

Your San Diego to Denver 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 San Diego to Denver is $247.

The average price for non-stop flights from San Diego to Denver is $155.

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

Nonstop Flight Details from San Diego to Denver
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Frontier 3 2 3 3 3 3 3 06:20 19:40
Spirit 1 1 1 1 1 1 1 19:45 19:45
United 6 5 5 5 5 3 5 06:54 17:58

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

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 San Diego to Denver. 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 San Diego to Denver is $114.

The average price for round trip flights from San Diego to Denver is $206.

More Cheap Flights

FlightsAirlineLowest Price
Los Angeles to Denver American, Alaska, Frontier, Spirit, United, Virgin America $87
Santa Ana to Denver American, Alaska, Frontier, United $108
Ontario to Denver American, United $198
Burbank to Denver American, United $192
Long Beach to Denver American, Alaska, United $250
Santa Barbara to Denver American, Alaska, United $367
Palm Springs to Denver American, United, Virgin America $338
Yuma to Denver American, Alaska $243
Palomar to DenverCheck Dates
Los Angeles to Las Vegas American, Spirit, United, Virgin America $70
Los Angeles to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $148
Los Angeles to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $210
Los Angeles to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United, Virgin America $99
Los Angeles to Colorado Springs American, United $341
Los Angeles to Phoenix American, Alaska, Spirit, United, Great Lakes $76
Los Angeles to Atlanta American, Alaska, Frontier, Spirit, United $231
Los Angeles to San Francisco American, Alaska, United, Virgin America $129
Los Angeles to Aspen American, Alaska, United $445
Los Angeles to Houston American, Alaska, Spirit, United $197
San Diego to Dallas - Ft Worth American, Alaska, Spirit, United, Virgin America $107
Los Angeles to Salt Lake City American, Alaska, United $176
San Diego to Chicago American, Alaska, Frontier, Spirit, United, Virgin America $182
San Diego to Colorado Springs American, Alaska, Frontier, Spirit, United $242
Los Angeles to Vail American, Alaska, United $209
Los Angeles to Seattle American, Alaska, Spirit, United, Virgin America $107
Los Angeles to Minneapolis - St Paul American, Alaska, Frontier, Spirit, Sun Country, United $207
Los Angeles to Albuquerque American, Alaska, United $179
Los Angeles to Hayden - Steamboat United $480
Los Angeles to Tokyo American, Alaska, JetBlue, Hawaiian, JAL, Malaysia, All Nippon, Singapore, United, Virgin America, Island Air, Great Lakes $676
San Diego to Las Vegas American, Spirit, United $80

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

Below are the different airlines that fly from San Diego to Denver 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 San Diego to Denver.

San Diego to Denver
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 PDX / SEA X X X X X X X
Delta SEA 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
Virgin America SFO X X X X X X X
Southwest - X X X X X X X
Southwest LAS X X X X X X X

Airports for Your Route

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

San Diego to Denver Flight Questions

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

Question: How long is a direct flight from San Diego to Denver?
Answer: The average San Diego to Denver flight time is 2 hours and 23 minutes.
Question: How many miles are there between San Diego and Denver?
Answer: The distance from San Diego to Denver is 851 miles.
Question: How common are direct flights from San Diego to Denver?
Answer: There are 59 direct flights from San Diego to Denver.
Question: What is the most popular airline for non-stop flights from San Diego to Denver?
Answer: United Airlines provides 54% of the non-stop flights between San Diego and Denver.
Question: What are the most popular connecting cities when flying from San Diego to Denver?
Answer: Las Vegas, NV
San Diego (SAN) To Denver, CO (DEN) Flights: Cheap Flights From San Diego To Denver | FareCompare.