$65+ Cheap flights from San Antonio to Denver (SAT - DEN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DEN
Dec 4 — Dec 111
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 January or February, booked 75 days in advance, depart on a Thursday or Saturday and return on a Thursday
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 November 4, 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 November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/38:41 pm -
Nonstop2h 29m
Thu 12/104:52 pm -
Nonstop2h 10m
Deal found 10/31![Frontier logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 12/28:03 pm -
1 stop24h 09m
Sat 12/52:52 pm -
Nonstop2h 09m
Deal found 10/30![Frontier logo]()
$159
This Super.com deal was found by Cheapflights users on 11/3. 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 11/238:28 pm -
Nonstop2h 29m
Fri 12/114:52 pm -
Nonstop2h 10m
Deal found 11/3![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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.
Tue 12/228:30 pm -
Nonstop2h 23m
Tue 12/294:25 pm -
Nonstop2h 10m
Deal found 10/31![Frontier logo]()
$166
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:41 pm -
Nonstop2h 29m
Sat 12/52:52 pm -
Nonstop2h 09m
Deal found 11/3![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Fri 12/118:47 pm -
Nonstop2h 23m
Mon 12/144:52 pm -
Nonstop2h 10m
Deal found 11/1![Frontier logo]()
$169
This Super.com deal was found by Cheapflights users on 11/3. 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.
Fri 12/48:41 pm -
Nonstop2h 29m
Mon 12/74:52 pm -
Nonstop2h 10m
Deal found 11/3![Frontier logo]()
$173
This Super.com deal was found by Cheapflights users on 10/30. 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.
Sat 12/198:30 pm -
Nonstop2h 23m
Wed 12/234:25 pm -
Nonstop2h 10m
Deal found 10/30![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/108:47 pm -
Nonstop2h 23m
Mon 12/1410:50 pm -
1 stop22h 07m
Deal found 10/30![Frontier logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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.
Sat 12/197:15 pm -
1 stop15h 45m
Thu 1/74:19 pm -
Nonstop2h 10m
Deal found 11/1![Frontier logo]()
$182
This Travelocity deal was found by Cheapflights users on 11/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:28 pm -
Nonstop2h 29m
Tue 11/2410:50 pm -
1 stop21h 26m
Deal found 11/3![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 11/1. 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 12/86:47 pm -
Nonstop2h 22m
Sat 12/122:52 pm -
Nonstop2h 09m
Deal found 11/1![Frontier logo]()
$188
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 November 4, 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 November 4, 2026.
This Southwest deal was found by Cheapflights users on 10/31. 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.
Mon 11/236:45 pm -
Nonstop2h 15m
Thu 11/261:30 pm -
Nonstop2h 05m
Deal found 10/31![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 10/30. 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.
Mon 1/255:05 am -
1 stop7h 43m
Mon 2/15:20 am -
1 stop7h 19m
Deal found 10/30![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/174:43 pm -
Nonstop2h 27m
Sun 12/208:34 pm -
Nonstop2h 25m
Deal found 11/3![United Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 10/31. 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 12/106:08 pm -
1 stop6h 06m
Mon 12/1411:13 am -
1 stop5h 25m
Deal found 10/31![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 11/3. 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 12/44:35 pm -
1 stop6h 30m
Mon 12/76:25 pm -
Nonstop2h 20m
Deal found 11/3![Southwest logo]()
$283
This Southwest deal was found by Cheapflights users on 11/1. 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 12/55:55 am -
2 stops7h 15m
Sat 12/1211:05 am -
2 stops5h 20m
Deal found 11/1![Southwest logo]()
$355
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2411:50 am -
1 stop7h 20m
Sun 1/35:27 pm -
Nonstop2h 13m
Deal found 11/2![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/304:19 pm -
1 stop6h 56m
Fri 12/45:25 pm -
Nonstop2h 09m
Deal found 11/1![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/301:50 pm -
Nonstop2h 21m
Thu 12/311:40 pm -
Nonstop2h 16m
Deal found 11/3![United Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 11/3. 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.
Sat 1/25:50 am -
2 stops5h 40m
Mon 1/48:30 am -
Nonstop2h 15m
Deal found 11/3![Southwest logo]()
$435
This Southwest deal was found by Cheapflights users on 11/2. 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.
Thu 12/243:00 pm -
2 stops5h 30m
Sun 1/38:35 am -
2 stops5h 35m
Deal found 11/2![Southwest logo]()
$471
Last-minute flights from San Antonio to DenverDiscover last-minute flight deals from San Antonio to Denver. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Denver. Data last updated November 4, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Tue 11/1010:29 pm -
1 stop12h 19m
Wed 11/116:42 pm -
1 stop25h 52m
Deal found 10/30![Frontier logo]()
$278
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:29 pm -
1 stop15h 13m
Tue 12/82:52 pm -
Nonstop2h 09m
Deal found 11/3![Frontier logo]()
$222
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 11/1110:29 pm -
1 stop15h 13m
Wed 11/1810:44 pm -
1 stop21h 50m
Deal found 11/1![Frontier logo]()
$258
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:29 pm -
1 stop20h 56m
Sun 11/1510:40 am -
1 stop28h 38m
Deal found 11/2![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 11/1. 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 11/1110:29 pm -
1 stop12h 19m
Mon 11/169:44 am -
1 stop10h 50m
Deal found 11/1![Frontier logo]()
$302
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:29 pm -
1 stop17h 30m
Thu 11/126:42 pm -
1 stop25h 52m
Deal found 11/2![Frontier logo]()
$318
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Sat 11/148:20 pm -
Nonstop2h 29m
Sat 11/219:14 am -
Nonstop2h 22m
Deal found 10/30![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 10/30. 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 11/148:20 pm -
Nonstop2h 29m
Wed 11/181:05 pm -
1 stop7h 29m
Deal found 10/30![Frontier logo]()
$315
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 November 4, 2026.
Search for one-way flight options from San Antonio to Denver. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sat 11/211:31 pm -
Nonstop2h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 12/118:47 pm -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/108:47 pm -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$81
This Super.com deal was found by Cheapflights users on 11/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:44 pm -
Nonstop2h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 11/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/48:30 pm -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$83
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:47 pm -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 11/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/258:22 pm -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Fri 11/208:28 pm -
Nonstop2h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 11/3. 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.
Sat 12/56:47 pm -
Nonstop2h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 11/1. 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.
Mon 11/238:28 pm -
Nonstop2h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$94
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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $150 (Kiwi.com) |
One-way from | $65 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $226 |
Good round-trip deal | $304 or less |
Good one-way deal | $178 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 7,457,451 searches. Data last updated November 4, 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
Quickest round-trip
San AntonioDenver
SAT San Antonio - DEN Denver Intl
SATDEN
San Antonio
Fri 1/1
6:15 pm-7:30 pm
Nonstop2h 15m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
San AntonioDenver
SAT San Antonio - DEN Denver Intl
SATDEN
San Antonio
Thu 12/10
10:52 pm-9:16 am
1 stop11h 24m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$132
San AntonioDenver
SAT San Antonio - DEN Denver Intl
SATDEN
San Antonio
Wed 1/6
6:21 am-12:22 pm
1 stop7h 01m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
San AntonioDenver
SAT San Antonio - DEN Denver Intl
SATDEN
San Antonio
Mon 1/4
8:00 pm-12:30 am
1 stop5h 30m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
San AntonioDenver
SAT San Antonio - DEN Denver Intl
SATDEN
San Antonio
Thu 11/26
8:56 am-10:15 am
Nonstop2h 19m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$179
San AntonioDenver
SAT San Antonio - DEN Denver Intl
SATDEN
San Antonio
Fri 12/18
6:50 pm-8:10 pm
Nonstop2h 20m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$254
San AntonioDenver
SAT San Antonio - DEN Denver Intl
SATDEN
San Antonio
Mon 11/23
6:45 pm-8:00 pm
Nonstop2h 15m
Denver Intl
Thu 11/26
1:30 pm-4:35 pm
Nonstop2h 05m
$257
San AntonioDenver
SAT San Antonio - DEN Denver Intl
SATDEN
San Antonio
Mon 1/25
5:05 am-11:48 am
1 stop7h 43m
Denver Intl
Mon 2/1
5:20 am-1:39 pm
1 stop7h 19m
$277
San AntonioDenver
SAT San Antonio - DEN Denver Intl
SATDEN
San Antonio
Thu 12/10
6:08 pm-11:14 pm
1 stop6h 06m
Denver Intl
Mon 12/14
11:13 am-5:38 pm
1 stop5h 25m
$277
San AntonioDenver
SAT San Antonio - DEN Denver Intl
SATDEN
San Antonio
Fri 12/4
4:35 pm-10:05 pm
1 stop6h 30m
Denver Intl
Mon 12/7
6:25 pm-9:45 pm
Nonstop2h 20m
$283
Showing 1-10 of 22 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 November.
| 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 Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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 74 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, January is the cheapest month in which you can book a flight from San Antonio to Denver (average of $188). Flying from San Antonio to Denver in June is currently the most expensive (average of $351). 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 November 4, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 50% 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 October 31, 2026.
Travelers seeking maximum savings on their San Antonio to Denver flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday 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
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 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 November 4, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andFrontier 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.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from 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
Westminster
Lakewood
Centennial
Broomfield
Englewood
Golden
Silverthorne
Fort Morgan
Limon
Greeley
Frisco
Winter Park
Wheat Ridge
Black Hawk
Central City
Manitou Springs
Glendale
Cripple Creek
Evergreen
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Top 3 airlines flying from San Antonio to Denver
Discover the top 3 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 7,457,451 searches. Data last updated November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$190 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$347 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$199 | Average$370 | FlexibilityNo cancel fee | On-time63% |