Cheap Flights from Santa Ana, CA to Denver, CO from $45

Return flight: Denver – Santa Ana

On Cheapflightsplus.com you will find 13 direct and 225 connecting flights from Santa Ana to Denver. You can compare airfare deals from 6 airlines and multiple travel sites from $45, book and save on cheap plane tickets and last minute offers. Also check out SNA-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Santa Ana to Denver Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $45 (one-way), $77 (round-trip).
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights
Full flight schedule will help you in detecting at what time planes fly from Santa Ana to Denver. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
06:50 — 10:17
06:50 — 10:17 UA1877 United Airlines
Santa Ana — Denver
2h 27m
Find flight
from$84
06:50 — 10:17
06:50 — 10:17 UA1505 United Airlines
Santa Ana — Denver
2h 27m
Find flight
from$108
06:53 — 10:20
06:53 — 10:20 UA401 United Airlines
Santa Ana — Denver
2h 27m
Find flight
from$83
06:53 — 10:20
06:53 — 10:20 UA250 United Airlines
Santa Ana — Denver
2h 27m
Find flight
from$84
08:40 — 12:00
08:40 — 12:00 UA1999 United Airlines
Santa Ana — Denver
2h 20m
Find flight
from$83
11:28 — 14:45
11:28 — 14:45 UA2168 United Airlines
Santa Ana — Denver
2h 17m
Find flight
from$100
11:30 — 14:50
11:30 — 14:50 UA231 United Airlines
Santa Ana — Denver
2h 20m
Find flight
from$99
12:01 — 15:29
12:01 — 15:29 F94372 Frontier Airlines
Santa Ana — Denver
2h 28m
Find flight
from$45
13:15 — 16:33
13:15 — 16:33 UA1094 United Airlines
Santa Ana — Denver
2h 18m
Find flight
from$100
13:15 — 16:33
13:15 — 16:33 UA643 United Airlines
Santa Ana — Denver
2h 18m
Find flight
from$116
16:10 — 19:28
16:10 — 19:28 UA1476 United Airlines
Santa Ana — Denver
2h 18m
Find flight
from$108
16:15 — 19:36
16:15 — 19:36 UA1943 United Airlines
Santa Ana — Denver
2h 21m
Find flight
from$83
18:40 — 21:57
18:40 — 21:57 UA2656 United Airlines
Santa Ana — Denver
2h 17m
Find flight
from$84
07:20 — 14:56
07:20 — 08:53 UA336 United Airlines
Santa Ana — San Francisco
2h 23m stop
11:16 — 14:56 UA2076 United Airlines
San Francisco — Denver
6h 36m
including layover
Find flight
from$126
09:37 — 18:14
09:37 — 11:17 UA5906 United Airlines
Santa Ana — San Francisco
3h 17m stop
14:34 — 18:14 UA1596 United Airlines
San Francisco — Denver
7h 37m
including layover
Find flight
from$126
09:38 — 18:13
09:38 — 11:12 UA5906 United Airlines
Santa Ana — San Francisco
3h 18m stop
14:30 — 18:13 UA2142 United Airlines
San Francisco — Denver
7h 35m
including layover
Find flight
from$126
11:05 — 21:18
11:05 — 12:28 F91720 Frontier Airlines
Santa Ana — Phoenix
5h 57m stop
18:25 — 21:18 F91820 Frontier Airlines
Phoenix — Denver
9h 13m
including layover
Find flight
from$100
13:02 — 23:23
13:02 — 14:28 F94592 Frontier Airlines
Santa Ana — Phoenix
5h 53m stop
20:21 — 23:23 F92142 Frontier Airlines
Phoenix — Denver
9h 21m
including layover
Find flight
from$74
15:32 — 23:09
15:32 — 16:55 F93738 Frontier Airlines
Santa Ana — Las Vegas
3h 5m stop
20:12 — 23:21 F94612 Frontier Airlines
Las Vegas — Denver
6h 37m
including layover
Find flight
from$67
15:32 — 04:00
+1 day
15:32 — 16:55 F93738 Frontier Airlines
Santa Ana — Las Vegas
8h 8m stop
00:59 — 04:00 F91994 Frontier Airlines
Las Vegas — Denver
11h 28m
including layover
Find flight
from$68
17:58 — 00:28
+1 day
17:58 — 19:31 UA1824 United Airlines
Santa Ana — San Francisco
1h 21m stop
20:52 — 00:28 UA1871 United Airlines
San Francisco — Denver
5h 30m
including layover
Find flight
from$127
18:59 — 03:59
+1 day
18:59 — 20:16 F91700 Frontier Airlines
Santa Ana — Las Vegas
4h 43m stop
00:59 — 03:59 F91994 Frontier Airlines
Las Vegas — Denver
8h
including layover
Find flight
from$76
18:59 — 09:09
+1 day
18:59 — 20:16 F91700 Frontier Airlines
Santa Ana — Las Vegas
9h 44m stop
06:00 — 09:09 F92350 Frontier Airlines
Las Vegas — Denver
13h 10m
including layover
Find flight
from$76
19:26 — 10:17
+1 day
14:38 — 16:11 F93581 Frontier Airlines
Santa Ana — San Francisco
9h 39m stop
06:00 — 09:42 F91230 Frontier Airlines
San Francisco — Denver
13h 51m
including layover
Find flight
from$68
07:00 — 21:59
07:00 — 09:32 AS1181 Alaska Airlines
Santa Ana — Portland
3h 52m stop
13:24 — 14:26 AS1016 Alaska Airlines
Portland — Seattle
3h 46m stop
18:12 — 21:59 AS1163 Alaska Airlines
Seattle — Denver
13h 59m
including layover
Find flight
from$135
08:11 — 18:12
+1 day
08:11 — 09:32 NK2017 Spirit Airlines
Santa Ana — Las Vegas
7h 46m stop
17:18 — 18:49 NK2382 Spirit Airlines
Las Vegas — Stockton
19h 59m stop
14:48 — 18:12 G41635 Allegiant Air
Stockton — Denver
33h 1m
including layover
Find flight
from$102
10:41 — 21:59
10:41 — 13:10 AS1299 Alaska Airlines
Santa Ana — Portland
2h 30m stop
15:40 — 16:36 AS2249 Alaska Airlines
Portland — Seattle
1h 36m stop
18:12 — 21:59 AS1163 Alaska Airlines
Seattle — Denver
10h 18m
including layover
Find flight
from$135
10:41 — 21:59
10:41 — 13:10 AS1299 Alaska Airlines
Santa Ana — Portland
1h 20m stop
14:30 — 15:33 AS3380 Alaska Airlines
Portland — Seattle
2h 39m stop
18:12 — 21:59 AS1163 Alaska Airlines
Seattle — Denver
10h 18m
including layover
Find flight
from$135
12:30 — 21:59
12:30 — 14:58 AS1304 Alaska Airlines
Santa Ana — Portland
42m stop
15:40 — 16:36 AS2249 Alaska Airlines
Portland — Seattle
1h 36m stop
18:12 — 21:59 AS1163 Alaska Airlines
Seattle — Denver
8h 29m
including layover
Find flight
from$135
17:22 — 18:12
+1 day
17:22 — 18:44 NK3171 Spirit Airlines
Santa Ana — Las Vegas
11h 51m stop
06:35 — 08:00 G425 Allegiant Air
Las Vegas — Stockton
6h 48m stop
14:48 — 18:12 G41635 Allegiant Air
Stockton — Denver
23h 50m
including layover
Find flight
from$106
19:40 — 18:12
+1 day
19:40 — 20:56 NK2337 Spirit Airlines
Santa Ana — Las Vegas
9h 39m stop
06:35 — 08:00 G425 Allegiant Air
Las Vegas — Stockton
6h 48m stop
14:48 — 18:12 G41635 Allegiant Air
Stockton — Denver
21h 32m
including layover
Find flight
from$106
*Departure and arrival times - local. Updated on July 2, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Santa Ana to Denver depends on and how to choose the most interesting flight option for you.

Distance between Santa Ana and Denver is 1359 miles. Time difference between the cities is 1h. Airplanes depart 06:45 to 21:15 from 3 Santa Ana airports and arrive 06:45 to 21:15 to 2 Denver airports. Average flight time is 2h 20m.

  • The fastest flight 2h 17m
  • Average flight time 2h 20m
  • The earliest flight 06:45
  • The latest flight 21:15
  • Distance 845 ml

The cheapest months to travel to Denver are august (from 60 $), july (from 82 $), november (from 97 $).

The most expensive months are february (from 288 $), january (from 171 $), october (from 118 $).

What is the lowest airfare Santa Ana to Denver?

The cheapest plane ticket found by our users is $45. This airfare is for economy class on one-way F94372 flight by Frontier Airlines for August 16, 2025 which leaves John Wayne in Santa Ana at 12:01 am and arrives at Denver Denver International at 15:29.

Economy class
$45
Find
Business class
?
Find
First class
?
Find

Popular Airlines on the Route

The flight Santa Ana — Denver is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 57 departures per week at the price of from $ 97 . And the most expensive tickets are offered by United Airlines airline - from $ 601.

Direct flights

There are 13 nonstop flights on the route. The fastest direct flight is UA2656 by United Airlines takes 2h 17m and the cheapest is F94372 by Frontier Airlines for $45.

  • F9 - Frontier Airlines
    from $45
    Find
  • UA - United Airlines
    from $83
    Find
See more direct flights

Connecting Flights

There are 225 flights with layovers on the route. The fastest connecting flight is UA1870 by United Airlines takes 4h 43m and the cheapest is F94372 by Frontier Airlines for $67.

  • AS - Alaska Airlines
    from $97
    Find
  • F9 - Frontier Airlines
    from $67
    Find
  • HA - Hawaiian Airlines
    from $90
    Find
  • UA - United Airlines
    from $126
    Find
  • NK - Spirit Airlines
    from $102
    Find
  • G4 - Allegiant Air
    from $183
    Find
See more connecting flights

Airports

You can fly from Santa Ana to Denver from 3 airports (John Wayne, Santa Ana Heliport, Centerport Heliport).

Santa Ana airports

  • John Wayne-SNA
    from $45
    Find
  • Santa Ana Heliport-DNT
    Find
  • Centerport Heliport-JOC
    Find

Denver airports

  • Denver International-DEN
    Find
  • Arapahoe Co-APA
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back