$68+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DEN
Apr 23 — Apr 301
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 65 days in advance, depart on a Thursday or Saturday and return on a Saturday
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 March 24, 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 March 24, 2026.
This Frontier deal was found by Cheapflights users on 3/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Sat 4/2511:50 am
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/23![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Tue 4/2811:50 am
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/23![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 3/19. 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.
Thu 4/26:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Mon 4/69:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/19![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 3/19. 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 4/96:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Sun 4/129:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/19![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 3/24. 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 4/284:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Mon 5/410:57 am
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/24![Frontier logo]()
$93
This Frontier deal was found by Cheapflights users on 3/19. 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.
Sun 4/56:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Fri 4/109:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/19![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 3/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Wed 4/2912:35 pm
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/23![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 3/19. 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 4/278:39 pm
SAT
- DEN
1 stop8h 20m
Frontier
Thu 4/3010:57 am
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/19![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/184:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Sat 4/2511:50 am
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/20![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 3/19. 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 4/163:00 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Sun 4/1910:55 am
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/19![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Sun 5/310:55 am
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/23![Frontier logo]()
$117
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 March 24, 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 March 24, 2026.
This Southwest deal was found by Cheapflights users on 3/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:55 pm
SAT
- DEN
Nonstop2h 20m
Southwest
Thu 4/304:25 pm
DEN
- SAT
Nonstop2h 15m
Southwest
Deal found 3/23![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 3/19. 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.
Tue 4/216:20 am
SAT
- DEN
1 stop8h 12m
Delta
Tue 4/216:27 pm
DEN
- SAT
1 stop4h 58m
Delta
Deal found 3/19![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:02 pm
SAT
- DEN
1 stop6h 55m
United Airlines
Sat 4/251:25 pm
DEN
- SAT
1 stop5h 23m
United Airlines
Deal found 3/23![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 3/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:20 pm
SAT
- DEN
Nonstop2h 20m
Southwest
Mon 4/205:35 am
DEN
- SAT
1 stop5h 50m
Southwest
Deal found 3/23![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 3/19. 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 4/187:00 am
SAT
- DEN
1 stop5h 32m
Delta
Mon 4/206:27 pm
DEN
- SAT
1 stop4h 58m
Delta
Deal found 3/19![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 3/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:15 am
SAT
- DEN
2 stops5h 45m
Southwest
Tue 5/195:35 am
DEN
- SAT
1 stop5h 35m
Southwest
Deal found 3/23![Southwest logo]()
$253
This Delta deal was found by Cheapflights users on 3/19. 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.
Wed 4/158:00 am
SAT
- DEN
1 stop6h 32m
Delta
Sat 4/183:30 pm
DEN
- SAT
1 stop8h 16m
Delta
Deal found 3/19![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 3/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:45 pm
SAT
- DEN
1 stop4h 45m
Southwest
Sun 4/266:30 pm
DEN
- SAT
1 stop5h 40m
Southwest
Deal found 3/21![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 3/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:20 am
SAT
- DEN
1 stop7h 44m
Delta
Sat 4/254:30 pm
DEN
- SAT
1 stop7h 16m
Delta
Deal found 3/23![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 3/20. 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.
Fri 4/246:33 pm
SAT
- DEN
1 stop7h 03m
Delta
Sun 4/268:10 am
DEN
- SAT
1 stop8h 00m
Delta
Deal found 3/20![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 3/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:02 pm
SAT
- DEN
1 stop5h 27m
Delta
Sun 4/268:10 am
DEN
- SAT
1 stop8h 00m
Delta
Deal found 3/22![Delta logo]()
$297
Last-minute flights from San Antonio to DenverDiscover last-minute flight deals from San Antonio to Denver. Data last updated March 24, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Denver. Data last updated March 24, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/19. 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 4/17:45 am
SAT
- DEN
Nonstop2h 22m
Frontier
Sun 4/59:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/19![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 3/19. 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.
Thu 4/26:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Mon 4/69:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/19![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 3/19. 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.
Sun 4/56:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Fri 4/109:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/19![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 3/19. 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 4/96:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Sun 4/129:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/19![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 3/19. 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 4/163:00 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Sun 4/1910:55 am
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/19![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/184:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Sat 4/2511:50 am
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/20![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 3/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Sat 4/2511:50 am
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/23![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Tue 4/2811:50 am
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/23![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 3/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Wed 4/2912:35 pm
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/23![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 3/19. 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 4/278:39 pm
SAT
- DEN
1 stop8h 20m
Frontier
Thu 4/3010:57 am
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/19![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Sun 5/310:55 am
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/23![Frontier logo]()
$117
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 March 24, 2026.
Search for one-way flight options from San Antonio to Denver. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
This iWofly deal was found by Cheapflights users on 3/23. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Deal found 3/23![Frontier logo]()
$68
This Frontier deal was found by Cheapflights users on 3/19. 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.
Fri 5/157:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Deal found 3/19![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/23![Frontier logo]()
$73
This CheapOair deal was found by Cheapflights users on 3/23. 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 CheapOair 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
Deal found 3/23![Frontier logo]()
$74
This Super.com deal was found by Cheapflights users on 3/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:38 am
SAT
- DEN
1 stop17h 21m
Frontier
Deal found 3/21![Frontier logo]()
$75
This Frontier deal was found by Cheapflights users on 3/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:31 pm
SAT
- DEN
1 stop10h 28m
Frontier
Deal found 3/23![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/177:54 pm
SAT
- DEN
Nonstop2h 29m
Frontier
Deal found 3/21![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 3/19. 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 5/198:59 pm
SAT
- DEN
1 stop7h 26m
Frontier
Deal found 3/19![Frontier logo]()
$89
This Super.com deal was found by Cheapflights users on 3/20. 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.
Thu 4/163:00 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/20![Frontier logo]()
$93
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 March 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $84 (Frontier) |
One-way from | $68 (iWofly) |
Popular in | June |
Cheapest in | February |
Average price | $216 |
Good round-trip deal | $246 or less |
Good one-way deal | $135 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 March 24, 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 - DEN
SATDEN
San Antonio
Thu 4/30
12:55 pm-2:15 pm
Nonstop2h 20m
Denver Intl
Thu 4/30
4:25 pm-7:40 pm
Nonstop2h 15m
$197
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Thu 4/16
3:20 pm-4:40 pm
Nonstop2h 20m
Denver Intl
Mon 4/20
5:35 am-12:25 pm
1 stop5h 50m
$207
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Tue 4/21
6:20 am-1:32 pm
1 stop8h 12m
Denver Intl
Tue 4/21
6:27 pm-12:25 am
1 stop4h 58m
$237
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Sat 5/16
6:15 am-11:00 am
2 stops5h 45m
Denver Intl
Tue 5/19
5:35 am-12:10 pm
1 stop5h 35m
$253
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Sat 4/18
7:00 am-11:32 am
1 stop5h 32m
Denver Intl
Mon 4/20
6:27 pm-12:25 am
1 stop4h 58m
$257
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Wed 4/15
8:00 am-1:32 pm
1 stop6h 32m
Denver Intl
Sat 4/18
3:30 pm-12:46 am
1 stop8h 16m
$257
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Fri 4/24
5:45 pm-9:30 pm
1 stop4h 45m
Denver Intl
Sun 4/26
6:30 pm-1:10 am
1 stop5h 40m
$277
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Mon 4/20
5:20 am-12:04 pm
1 stop7h 44m
Denver Intl
Sat 4/25
4:30 pm-12:46 am
1 stop7h 16m
$277
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Fri 4/24
6:33 pm-12:36 am
1 stop7h 03m
Denver Intl
Sun 4/26
8:10 am-5:10 pm
1 stop8h 00m
$277
San AntonioDenver
SAT - DEN
SATDEN
San Antonio
Tue 4/21
6:02 pm-11:57 pm
1 stop6h 55m
Denver Intl
Sat 4/25
1:25 pm-7:48 pm
1 stop5h 23m
$297
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| 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?
Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Denver. Price data was last updated on March 13, 2026.
To ensure you get the cheapest price possible for a flight from San Antonio to Denver, you should look to book at least 65 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 $53). Flying from San Antonio to Denver in June is currently the most expensive (average of $98). 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 March 24, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 62% 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 March 23, 2026.
Travelers seeking maximum savings on their San Antonio to Denver flight should consider departing on Monday 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
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
Our travel experts
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 March 24, 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.
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
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
Glendale
Manitou Springs
Frisco
Englewood
Fort Morgan
Brighton
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Alternative routes for San Antonio to Denver
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Complete your trip
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Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 24, 2026.
Search flights from San Antonio to Denver by cabin class
Find flights from San Antonio to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Denver flights
Browse other San Antonio and Denver flight options. Last updated on March 24, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on March 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 March 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$66 | Average$157 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$153 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$106 | Average$327 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$134 | Average$304 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$299 | FlexibilityNo cancel fee | On-time63% |