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.
$44+ Cheap flights from Santa Ana, CA to Denver (SNA - DEN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — DEN
Jan 22 — Jan 291
1 adult, Economy
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Find cheap flights from Santa Ana to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Santa Ana J. Wayne/Orange Cnty to Denver Intl are usually found in February or September, booked 60 days in advance, depart on a Saturday or Thursday and return on a Saturday
Cheap flight deals from Santa Ana to Denver
Cheapest flights from Santa Ana to DenverExplore the most affordable flight options available from Santa Ana to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.
Explore the most affordable flight options available from Santa Ana to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:53 amSNA - DEN
Nonstop2h 23mFrontier
Mon 1/510:08 amDEN - SNA
1 stop10h 13mFrontier
Deal found 12/23![Frontier logo]()
$145
This Frontier deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:53 amSNA - DEN
Nonstop2h 23mFrontier
Thu 1/110:29 pmDEN - SNA
1 stop10h 58mFrontier
Deal found 12/22![Frontier logo]()
$170
This CheapOair deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:53 amSNA - DEN
Nonstop2h 23mFrontier
Sat 1/101:02 pmDEN - SNA
Nonstop2h 31mFrontier
Deal found 12/21![Frontier logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:53 amSNA - DEN
Nonstop2h 23mFrontier
Sun 1/410:29 pmDEN - SNA
1 stop10h 58mFrontier
Deal found 12/23![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:53 amSNA - DEN
Nonstop2h 23mFrontier
Fri 1/309:55 amDEN - SNA
Nonstop2h 37mFrontier
Deal found 12/21![Frontier logo]()
$205
This CheapOair deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:53 amSNA - DEN
Nonstop2h 23mFrontier
Sat 1/36:15 amDEN - SNA
1 stop8h 13mFrontier
Deal found 12/22![Frontier logo]()
$216
Find flight deals from Santa Ana to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Santa Ana (SNA) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2025.
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $110 (Kiwi.com) |
One-way from | $44 (Priceline) |
Popular in | December |
Cheapest in | February |
Average price | $290 |
Good round-trip deal | $262 or less |
Good one-way deal | $141 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Ana to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Santa Ana to Denver that are best for you.
Fly from
Santa Ana
Fly to
Denver
Route
Depart
Return
Price
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Wed 1/21
1:20 pm-7:19 pm
1 stop4h 59m
Denver Intl
Wed 1/28
5:11 pm-8:57 pm
1 stop4h 46m
$133
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Wed 1/14
3:55 pm-7:19 pm
Nonstop2h 24m
Denver Intl
Sat 1/17
6:49 pm-4:36 pm
1 stop22h 47m
$165
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Wed 1/14
6:45 am-7:03 pm
2 stops11h 18m
Denver Intl
Thu 1/15
11:50 am-6:14 pm
1 stop7h 24m
$174
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Sun 1/4
7:57 pm-10:02 am
2 stops37h 05m
Denver Intl
Tue 1/27
9:44 pm-12:25 pm
1 stop15h 41m
$186
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Thu 2/19
9:00 am-12:19 pm
Nonstop2h 19m
Denver Intl
Sun 2/22
8:05 am-9:45 am
Nonstop2h 40m
$197
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Mon 1/5
8:16 pm-6:37 pm
1 stop21h 21m
Denver Intl
Sun 1/11
12:00 pm-12:46 pm
1 stop25h 46m
$198
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Wed 2/25
7:10 am-3:02 pm
1 stop6h 52m
Denver Intl
Fri 2/27
3:59 pm-9:57 pm
1 stop6h 58m
$207
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Tue 1/20
11:05 am-2:28 pm
Nonstop2h 23m
Denver Intl
Fri 1/23
7:45 pm-9:18 pm
Nonstop2h 33m
$233
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Wed 1/28
9:00 am-12:24 pm
Nonstop2h 24m
Denver Intl
Sun 2/1
8:00 am-9:36 am
Nonstop2h 36m
$233
Santa AnaDenver
SNA - DEN
SNADEN
Santa Ana J. Wayne/Orange Cnty
Thu 1/29
8:15 am-11:35 pm
1 stop14h 20m
Denver Intl
Tue 2/3
7:00 am-9:16 pm
2 stops15h 16m
$239
Showing 1-10 of 24 results
Compare providers for flights from Santa Ana to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Ana to Denver in December.
| 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 |
- Most accurate provider: When it comes to deals on Santa Ana, California-Denver flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Santa Ana, California-Denver flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Santa Ana, California-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Santa Ana, California-Denver flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Ana, California-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Santa Ana to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Santa Ana with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Santa Ana to Denver
Prices
Airlines
How far ahead should I book a flight from Santa Ana, California to Denver?
Use this chart to determine the optimal time to book a round-trip flight from Santa Ana to Denver. Price data was last updated on December 19, 2025.
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.
What is the cheapest month to book a flight from Santa Ana, California to Denver?
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.
What is the cheapest time of day to fly from SNA to DEN?
Find hourly flight availability from Santa Ana to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.
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 26% versus a flight at noon.
What is the cheapest day to fly from Santa Ana, California to Denver?
Use this chart to determine the cheapest time to fly round-trip from Santa Ana to Denver. Price data was last updated on December 20, 2025.
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.
The best insider tips for Santa Ana to Denver flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Santa Ana to Denver trip
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated December 23, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Santa Ana to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Santa Ana to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
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Alternative routes for Santa Ana to Denver
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Santa Ana to Denver
Discover the top 4 airlines that operate flights from Santa Ana to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$174 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$122 | Average$292 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$295 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$177 | Average$312 | FlexibilityNo cancel fee | On-time69% |