Frontier offers extra comfort seats for a fee, with 32” separation in the second row.
Frontier's Zone 1 boarding is available with a carry-on bag or special fare bundle.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $98 (Cheapflightsfares) |
One-way from | $64 (CheapOair) |
Popular in | June |
Cheapest in | February |
Average price | $271 |
Good round-trip deal | $202 or less |
Good one-way deal | $121 or less |
Fly from
Fly to
Route
Depart
Return
Price
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Fri 12/5
1:35 pm-5:06 pm
Nonstop2h 31m
Denver Intl
Mon 12/8
11:11 am-12:42 pm
Nonstop2h 31m
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Thu 12/4
11:15 am-2:38 pm
Nonstop2h 23m
Denver Intl
Fri 12/5
6:00 am-3:55 pm
1 stop10h 55m
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Sun 12/14
11:15 am-2:38 pm
Nonstop2h 23m
Denver Intl
Mon 12/15
11:11 am-12:42 pm
Nonstop2h 31m
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Sun 11/16
12:01 pm-3:31 pm
Nonstop2h 30m
Denver Intl
Tue 11/18
12:07 pm-1:30 pm
Nonstop2h 23m
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Fri 12/5
8:19 pm-3:58 am
1 stop6h 39m
Denver Intl
Mon 12/8
12:58 pm-10:23 pm
2 stops10h 25m
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Sat 12/6
8:55 am-12:13 pm
Nonstop2h 18m
Denver Intl
Tue 12/9
7:46 am-9:19 am
Nonstop2h 33m
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Thu 1/15
11:25 am-2:45 pm
Nonstop2h 20m
Denver Intl
Mon 1/19
11:11 am-12:49 pm
Nonstop2h 38m
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Sat 12/6
3:26 pm-8:55 am
1 stop16h 29m
Denver Intl
Tue 12/9
10:29 pm-10:44 am
2 stops13h 15m
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Fri 12/5
7:00 am-10:30 am
Nonstop2h 30m
Denver Intl
Tue 12/9
7:50 pm-9:23 pm
Nonstop2h 33m
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Mon 12/15
1:35 pm-5:06 pm
Nonstop2h 31m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
The price you pay for your flight from Santa Ana, California to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, March is the cheapest month in which you can book a flight from Santa Ana, California to Denver (average of $36). Flying from Santa Ana, California to Denver in September is currently the most expensive (average of $76). 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.
When flying from Santa Ana, California to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 28% versus a flight at noon.
Travelers seeking maximum savings on their Santa Ana, California to Denver flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Walter,Aug 2025
OAK - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$69 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$122 | Average$292 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$313 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$300 | FlexibilityNo cancel fee | On-time63% |