Frontier's UpFront Plus offers a guaranteed empty middle seat for added comfort.
Frontier's Zone 1 boarding available with carry-on purchase or special fare bundle.
Round-trip from | $117 (Cheapflightsfares) |
---|---|
One-way from | $79 (Hawaiian Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $207 |
Good round-trip deal | $173 or less |
Good one-way deal | $117 or less |
Fly from
Fly to
Route
Depart
Return
Price
San DiegoDenver
SAN - DEN
SANDEN
San Diego
vie. 8/15
11:21 am-3:02 pm
Nonstop2h 41m
Denver Intl
lun. 8/18
10:29 pm-11:52 pm
Nonstop2h 23m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
mar. 9/9
8:50 am-12:15 pm
Nonstop2h 25m
Denver Intl
mar. 9/23
7:00 pm-8:25 pm
Nonstop2h 25m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
vie. 10/17
8:19 pm-11:47 pm
Nonstop2h 28m
Denver Intl
dom. 10/19
7:01 am-8:25 am
Nonstop2h 24m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
mar. 9/23
6:20 am-2:27 pm
1 stop7h 07m
Denver Intl
sáb. 9/27
3:07 pm-7:24 pm
1 stop5h 17m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
jue. 8/21
5:56 pm-12:28 am
1 stop5h 32m
Denver Intl
dom. 8/24
7:45 am-9:09 am
Nonstop2h 24m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
mié. 10/22
3:37 pm-7:10 pm
Nonstop2h 33m
Denver Intl
lun. 10/27
6:46 pm-11:59 pm
1 stop6h 13m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
vie. 10/17
8:19 pm-11:47 pm
Nonstop2h 28m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
mar. 8/19
6:15 am-11:30 am
1 stop4h 15m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
lun. 9/15
5:56 pm-12:28 am
1 stop5h 32m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
vie. 9/5
5:30 pm-10:55 pm
1 stop4h 25m
The best time to book flights from San Diego to Denver is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, October is the cheapest month in which you can book a flight from San Diego to Denver (average of $197). Flying from San Diego to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from San Diego to Denver in the evening. Doing so could potentially save you 40% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their San Diego to Denver flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SAN to DEN are scheduled on a Thursday (26 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$61 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$98 | Average$232 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$157 | Average$245 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$160 | Average$272 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$167 | Average$307 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$197 | Average$325 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$206 | Average$306 | FlexibilityNo cancel fee | On-timeN/A |