$78+ Cheap flights from San Antonio to Denver (SAT - 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DEN
Jun 6 — Jun 131
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio 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 San Antonio to Denver Intl are usually found in February or January, booked 74 days in advance, depart on a Thursday or Saturday and return on a Friday
Cheap flight deals from San Antonio to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Antonio to DenverExplore the most affordable flight options available from San Antonio to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
Explore the most affordable flight options available from San Antonio to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:51 pm
SAT
- DEN
Nonstop2h 34m
Frontier
Wed 9/23:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Deal found 5/4![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Thu 5/213:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/3![Frontier logo]()
$108
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Sat 5/233:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/3![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 5/4. 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.
Tue 5/197:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Sat 5/233:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/4![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:51 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Mon 8/243:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Deal found 5/2![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 5/4. 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.
Thu 8/277:51 pm
SAT
- DEN
Nonstop2h 34m
Frontier
Sat 8/293:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Deal found 5/4![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Tue 5/193:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/3![Frontier logo]()
$143
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Tue 5/127:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Tue 5/193:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/2![Frontier logo]()
$146
This Priceline deal was found by Cheapflights users on 5/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:51 pm
SAT
- DEN
Nonstop2h 34m
Frontier
Wed 6/103:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Deal found 5/4![Frontier logo]()
$158
Best flights from San Antonio to DenverDiscover carefully curated flight deals from San Antonio to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
Discover carefully curated flight deals from San Antonio to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:30 am
SAT
- DEN
1 stop7h 23m
Delta
Tue 9/86:05 am
DEN
- SAT
1 stop6h 02m
Delta
Deal found 5/6![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
SAT
- DEN
Nonstop2h 10m
Southwest
Sun 9/134:15 pm
DEN
- SAT
Nonstop2h 10m
Southwest
Deal found 5/6![Southwest logo]()
$383
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:45 am
SAT
- DEN
1 stop3h 50m
Southwest
Mon 6/227:50 pm
DEN
- SAT
Nonstop2h 15m
Southwest
Deal found 5/7![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:30 am
SAT
- DEN
1 stop6h 25m
Southwest
Tue 10/1312:35 pm
DEN
- SAT
2 stops5h 35m
Southwest
Deal found 5/3![Southwest logo]()
$474
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:10 pm
SAT
- DEN
1 stop6h 31m
Delta
Sun 5/316:19 pm
DEN
- SAT
1 stop4h 54m
Delta
Deal found 5/6![Delta logo]()
$554
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:30 pm
SAT
- DEN
2 stops7h 15m
Southwest
Sun 5/315:55 am
DEN
- SAT
1 stop5h 10m
Southwest
Deal found 5/2![Southwest logo]()
$482
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:35 am
SAT
- DEN
2 stops6h 35m
Southwest
Mon 9/78:05 am
DEN
- SAT
1 stop3h 45m
Southwest
Deal found 5/2![Southwest logo]()
$482
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:55 am
SAT
- DEN
2 stops5h 40m
Southwest
Sun 9/134:05 pm
DEN
- SAT
2 stops5h 50m
Southwest
Deal found 5/5![Southwest logo]()
$491
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/232:40 pm
SAT
- DEN
2 stops6h 20m
Southwest
Sun 6/285:15 pm
DEN
- SAT
2 stops5h 35m
Southwest
Deal found 5/5![Southwest logo]()
$503
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/222:30 pm
SAT
- DEN
2 stops7h 15m
Southwest
Sun 5/246:25 pm
DEN
- SAT
Nonstop2h 25m
Southwest
Deal found 5/3![Southwest logo]()
$506
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:15 am
SAT
- DEN
Nonstop2h 15m
Southwest
Fri 5/224:25 pm
DEN
- SAT
Nonstop2h 15m
Southwest
Deal found 5/6![Southwest logo]()
$529
Last-minute flights from San Antonio to DenverDiscover last-minute flight deals from San Antonio to Denver. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Denver. Data last updated May 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Tue 5/127:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Tue 5/193:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/2![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Tue 5/193:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/3![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 5/4. 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.
Tue 5/197:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Sat 5/233:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/4![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Thu 5/213:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/3![Frontier logo]()
$108
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Sat 5/233:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/3![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Sat 5/303:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/3![Frontier logo]()
$161
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Wed 6/33:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/3![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 5/4. 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 6/37:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Sat 6/63:42 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 5/4![Frontier logo]()
$163
This Priceline deal was found by Cheapflights users on 5/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:51 pm
SAT
- DEN
Nonstop2h 34m
Frontier
Wed 6/103:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Deal found 5/4![Frontier logo]()
$158
One-way flights from San Antonio to DenverSearch for one-way flight options from San Antonio to Denver. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
Search for one-way flight options from San Antonio to Denver. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:51 pm
SAT
- DEN
Nonstop2h 34m
Frontier
Deal found 5/3![Frontier logo]()
$78
This Frontier deal was found by Cheapflights users on 5/4. 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.
Tue 6/307:51 pm
SAT
- DEN
Nonstop2h 34m
Frontier
Deal found 5/4![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Deal found 5/4![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 5/3. 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.
Sat 6/67:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Deal found 5/3![Frontier logo]()
$84
This Super.com deal was found by Cheapflights users on 5/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:51 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 5/5![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 5/5. 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 7/17:51 pm
SAT
- DEN
Nonstop2h 34m
Frontier
Deal found 5/5![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Deal found 5/6![Frontier logo]()
$89
This Super.com deal was found by Cheapflights users on 5/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:56 pm
SAT
- DEN
1 stop8h 02m
Frontier
Deal found 5/5![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 5/5. 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.
Tue 8/48:59 pm
SAT
- DEN
1 stop7h 57m
Frontier
Deal found 5/5![Frontier logo]()
$95
Find flight deals from San Antonio to Denver
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $97 (Kiwi.com) |
One-way from | $78 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $224 |
Good round-trip deal | $209 or less |
Good one-way deal | $129 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio 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 May 7, 2026.
Use the filters below to find and compare flights from San Antonio to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Sat 9/5
6:30 am-12:53 pm
1 stop7h 23m
Denver Intl
Tue 9/8
6:05 am-1:07 pm
1 stop6h 02m
$327
Quickest round-trip
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Wed 9/9
7:00 am-8:10 am
Nonstop2h 10m
Denver Intl
Sun 9/13
4:15 pm-7:25 pm
Nonstop2h 10m
$383
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Thu 6/18
9:45 am-12:35 pm
1 stop3h 50m
Denver Intl
Mon 6/22
7:50 pm-11:05 pm
Nonstop2h 15m
$467
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Fri 10/9
6:30 am-11:55 am
1 stop6h 25m
Denver Intl
Tue 10/13
12:35 pm-7:10 pm
2 stops5h 35m
$474
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Fri 5/29
2:30 pm-8:45 pm
2 stops7h 15m
Denver Intl
Sun 5/31
5:55 am-12:05 pm
1 stop5h 10m
$482
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Sat 9/5
7:35 am-1:10 pm
2 stops6h 35m
Denver Intl
Mon 9/7
8:05 am-12:50 pm
1 stop3h 45m
$482
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Fri 9/11
8:55 am-1:35 pm
2 stops5h 40m
Denver Intl
Sun 9/13
4:05 pm-10:55 pm
2 stops5h 50m
$491
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Tue 6/23
2:40 pm-8:00 pm
2 stops6h 20m
Denver Intl
Sun 6/28
5:15 pm-11:50 pm
2 stops5h 35m
$503
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Fri 5/22
2:30 pm-8:45 pm
2 stops7h 15m
Denver Intl
Sun 5/24
6:25 pm-9:50 pm
Nonstop2h 25m
$506
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Fri 5/22
6:15 am-7:30 am
Nonstop2h 15m
Denver Intl
Fri 5/22
4:25 pm-7:40 pm
Nonstop2h 15m
$529
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from San Antonio 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 San Antonio to Denver in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Denver flights, Cheapflights users trust FlightHub the most. FlightHub 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 San Antonio-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 San Antonio to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from San Antonio with our price prediction graph.
SAT-DEN
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 San Antonio to Denver
Prices
Airlines
How far ahead should I book a flight from San Antonio to Denver?
To ensure you get the cheapest price possible for a flight from San Antonio to Denver, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Antonio to Denver?
Currently, February is the cheapest month in which you can book a flight from San Antonio to Denver (average of $183). Flying from San Antonio to Denver in June is currently the most expensive (average of $267). 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 SAT to DEN?
Find hourly flight availability from San Antonio 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 May 7, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 63% on flights from San Antonio to Denver by exploring options for tickets in the evening.
What is the cheapest day to fly from San Antonio to Denver?
Use this chart to determine the cheapest time to fly round-trip from San Antonio to Denver. Price data was last updated on May 2, 2026.
Travelers seeking maximum savings on their San Antonio to Denver flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for San Antonio to Denver flights
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Cheapflights partnered with top experts to bring you the best recommendations for your San Antonio to Denver trip
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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 May 7, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from San Antonio to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from San Antonio 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
Lakewood
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Evergreen
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Top 5 airlines flying from San Antonio to Denver
Discover the top 5 airlines that operate flights from San Antonio 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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$156 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$235 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$106 | Average$336 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$134 | Average$308 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$176 | Average$303 | FlexibilityNo cancel fee | On-time63% |