$32+ Cheap flights from Colorado to San Antonio (SAT)
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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SAT
Apr 12 — Apr 191
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to San Antonio with Cheapflights
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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
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Cheapest flights from Colorado to San AntonioExplore the most affordable flight options available from Colorado to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
Explore the most affordable flight options available from Colorado to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/109:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Sun 4/126:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Deal found 3/10![Frontier logo]()
$101
This Super.com deal was found by Cheapflights users on 3/9. 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.
Sun 4/59:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Wed 4/87:45 am
SAT
- DEN
Nonstop2h 22m
Frontier
Deal found 3/9![Frontier logo]()
$102
This Flightnetwork deal was found by Cheapflights users on 3/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Wed 4/154:49 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/9![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 3/9. 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 4/79:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Tue 4/144:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/9![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 3/9. 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 4/1710:57 am
DEN
- SAT
Nonstop2h 18m
Frontier
Sun 4/192:59 pm
SAT
- DEN
Nonstop2h 25m
Frontier
Deal found 3/9![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 3/9. 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 4/1710:57 am
DEN
- SAT
Nonstop2h 18m
Frontier
Mon 4/203:00 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/9![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 3/8. 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 4/1411:50 am
DEN
- SAT
Nonstop2h 19m
Frontier
Wed 4/154:49 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/8![Frontier logo]()
$112
This Super.com deal was found by Cheapflights users on 3/9. 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 4/1611:59 pm
DEN
- SAT
1 stop8h 25m
Frontier
Tue 4/214:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/9![Frontier logo]()
$113
This Booking.com deal was found by Cheapflights users on 3/10. 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 5/711:59 pm
DEN
- SAT
1 stop8h 25m
Frontier
Sat 5/93:34 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/10![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 3/11. 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 4/19:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Thu 4/96:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Deal found 3/11![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 3/12. 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 4/139:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Fri 4/173:00 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/12![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 3/11. 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 4/29:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Fri 4/36:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Deal found 3/11![Frontier logo]()
$122
Best flights from Colorado to San AntonioDiscover carefully curated flight deals from Colorado to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
Discover carefully curated flight deals from Colorado to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
This Delta deal was found by Cheapflights users on 3/8. 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 4/155:45 am
DEN
- SAT
1 stop8h 38m
Delta
Sat 4/187:00 am
SAT
- DEN
1 stop5h 32m
Delta
Deal found 3/8![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 3/9. 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 5/155:35 am
DEN
- SAT
1 stop5h 50m
Southwest
Sun 5/178:55 pm
SAT
- DEN
1 stop4h 25m
Southwest
Deal found 3/9![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 3/281:41 pm
DRO
- SAT
2 stops8h 16m
United Airlines
Wed 4/14:45 pm
SAT
- DRO
1 stop4h 54m
United Airlines
Deal found 3/8![United Airlines logo]()
$296
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:04 pm
DRO
- SAT
1 stop4h 48m
American Airlines
Wed 5/68:15 am
SAT
- DRO
1 stop4h 56m
American Airlines
Deal found 3/9![American Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:15 pm
GJT
- SAT
1 stop6h 01m
Delta
Mon 4/65:55 pm
SAT
- GJT
1 stop4h 58m
Delta
Deal found 3/7![Delta logo]()
$231
This Southwest deal was found by Cheapflights users on 3/9. 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 5/122:20 pm
DEN
- SAT
2 stops6h 25m
Southwest
Sat 5/165:40 pm
SAT
- DEN
1 stop5h 35m
Southwest
Deal found 3/9![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 3/9. 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 4/245:50 am
DEN
- SAT
1 stop5h 25m
Southwest
Sun 4/266:20 am
SAT
- DEN
Nonstop2h 15m
Southwest
Deal found 3/9![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 3/11. 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 4/175:25 pm
GJT
- SAT
1 stop6h 00m
Delta
Mon 4/206:05 pm
SAT
- GJT
1 stop4h 49m
Delta
Deal found 3/11![Delta logo]()
$251
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/19:44 am
DEN
- SAT
Nonstop2h 16m
United Airlines
Mon 4/64:45 pm
SAT
- DEN
Nonstop2h 22m
United Airlines
Deal found 3/11![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 3/7. 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 5/147:00 am
DEN
- SAT
1 stop5h 15m
Southwest
Mon 5/183:05 pm
SAT
- DEN
2 stops5h 50m
Southwest
Deal found 3/7![Southwest logo]()
$262
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:10 pm
GJT
- SAT
1 stop4h 39m
United Airlines
Sat 8/298:53 am
SAT
- GJT
1 stop4h 35m
United Airlines
Deal found 3/7![United Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 3/11. 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 7/91:30 pm
DRO
- SAT
1 stop6h 24m
United Airlines
Mon 7/134:35 pm
SAT
- DRO
1 stop4h 47m
United Airlines
Deal found 3/11![United Airlines logo]()
$303
This Southwest deal was found by Cheapflights users on 3/9. 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 5/14:50 pm
DEN
- SAT
2 stops5h 40m
Southwest
Sun 5/38:55 pm
SAT
- DEN
1 stop4h 25m
Southwest
Deal found 3/9![Southwest logo]()
$282
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:04 pm
DRO
- SAT
1 stop4h 48m
American Airlines
Thu 5/141:32 pm
SAT
- DRO
1 stop8h 51m
American Airlines
Deal found 3/12![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Fri 4/171:43 pm
GJT
- SAT
2 stops8h 16m
United Airlines
Mon 4/204:45 pm
SAT
- GJT
1 stop5h 14m
United Airlines
Deal found 3/11![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 3/11. 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 4/246:25 pm
DEN
- SAT
1 stop5h 05m
Southwest
Mon 4/273:05 pm
SAT
- DEN
2 stops5h 50m
Southwest
Deal found 3/11![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 3/10. 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 4/212:20 pm
DEN
- SAT
2 stops6h 25m
Southwest
Tue 4/284:25 pm
SAT
- DEN
1 stop5h 15m
Southwest
Deal found 3/10![Southwest logo]()
$302
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:25 pm
COS
- SAT
2 stops6h 32m
United Airlines
Sat 3/285:47 am
SAT
- COS
1 stop4h 02m
United Airlines
Deal found 3/7![United Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 3/8. 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 4/32:25 pm
DEN
- SAT
2 stops5h 35m
Southwest
Fri 4/107:45 pm
SAT
- DEN
1 stop5h 00m
Southwest
Deal found 3/8![Southwest logo]()
$322
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Sun 4/127:00 am
COS
- SAT
1 stop5h 00m
United Airlines
Thu 4/168:45 am
SAT
- COS
1 stop6h 45m
United Airlines
Deal found 3/11![United Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 3/8. 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 4/1110:10 am
DEN
- SAT
1 stop5h 45m
Southwest
Mon 4/133:05 pm
SAT
- DEN
2 stops5h 50m
Southwest
Deal found 3/8![Southwest logo]()
$322
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:40 am
COS
- SAT
1 stop5h 17m
United Airlines
Wed 5/61:11 pm
SAT
- COS
1 stop4h 20m
United Airlines
Deal found 3/7![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 3/9. 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 6/15:00 am
COS
- SAT
1 stop6h 25m
Southwest
Mon 6/85:20 am
SAT
- COS
1 stop4h 35m
Southwest
Deal found 3/9![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/277:00 am
DRO
- SAT
1 stop5h 00m
United Airlines
Thu 5/144:35 pm
SAT
- DRO
1 stop5h 31m
United Airlines
Deal found 3/8![United Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 3/8. 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 4/141:10 pm
COS
- SAT
2 stops7h 50m
Southwest
Sun 4/196:20 am
SAT
- COS
1 stop4h 00m
Southwest
Deal found 3/8![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 3/9. 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 4/111:10 pm
COS
- SAT
2 stops6h 50m
Southwest
Sun 4/127:10 am
SAT
- COS
1 stop7h 35m
Southwest
Deal found 3/9![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 3/10. 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 6/124:55 pm
COS
- SAT
2 stops6h 55m
Southwest
Wed 6/176:00 am
SAT
- COS
1 stop5h 35m
Southwest
Deal found 3/10![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 3/11. 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.
Sun 4/125:55 am
COS
- SAT
1 stop5h 10m
Southwest
Thu 4/164:20 pm
SAT
- COS
2 stops6h 55m
Southwest
Deal found 3/11![Southwest logo]()
$368
Last-minute flights from Colorado to San AntonioDiscover last-minute flight deals from Colorado to San Antonio. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to San Antonio. Data last updated March 13, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/11. 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 4/19:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Thu 4/96:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Deal found 3/11![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 3/11. 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 4/29:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Fri 4/36:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Deal found 3/11![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 3/9. 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.
Sun 4/59:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Wed 4/87:45 am
SAT
- DEN
Nonstop2h 22m
Frontier
Deal found 3/9![Frontier logo]()
$102
This Flightnetwork deal was found by Cheapflights users on 3/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Wed 4/154:49 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/9![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 3/9. 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 4/79:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Tue 4/144:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/9![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/109:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Sun 4/126:45 am
SAT
- DEN
Nonstop2h 23m
Frontier
Deal found 3/10![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/119:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Sat 4/184:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/12![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 3/12. 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 4/139:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Fri 4/173:00 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/12![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 3/8. 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 4/1411:50 am
DEN
- SAT
Nonstop2h 19m
Frontier
Wed 4/154:49 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/8![Frontier logo]()
$112
This Super.com deal was found by Cheapflights users on 3/9. 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 4/1611:59 pm
DEN
- SAT
1 stop8h 25m
Frontier
Tue 4/214:04 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/9![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 3/9. 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 4/1710:57 am
DEN
- SAT
Nonstop2h 18m
Frontier
Sun 4/192:59 pm
SAT
- DEN
Nonstop2h 25m
Frontier
Deal found 3/9![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 3/9. 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 4/1710:57 am
DEN
- SAT
Nonstop2h 18m
Frontier
Mon 4/203:00 pm
SAT
- DEN
Nonstop2h 26m
Frontier
Deal found 3/9![Frontier logo]()
$108
One-way flights from Colorado to San AntonioSearch for one-way flight options from Colorado to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
Search for one-way flight options from Colorado to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/2212:35 pm
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/9![Frontier logo]()
$32
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/99:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/12![Frontier logo]()
$39
This Frontier deal was found by Cheapflights users on 3/12. 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 4/49:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/12![Frontier logo]()
$40
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/29:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/10![Frontier logo]()
$43
This Super.com deal was found by Cheapflights users on 3/9. 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 4/1811:50 am
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/9![Frontier logo]()
$44
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/39:00 pm
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/10![Frontier logo]()
$48
This Frontier deal was found by Cheapflights users on 3/10. 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 5/1111:00 am
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/10![Frontier logo]()
$49
This Booking.com deal was found by Cheapflights users on 3/8. 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.
Tue 4/2111:50 am
DEN
- SAT
Nonstop2h 19m
Frontier
Deal found 3/8![Frontier logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/2010:57 am
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/9![Frontier logo]()
$53
This Super.com deal was found by Cheapflights users on 3/9. 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 4/1710:57 am
DEN
- SAT
Nonstop2h 18m
Frontier
Deal found 3/9![Frontier logo]()
$54
This Frontier deal was found by Cheapflights users on 3/10. 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 3/249:00 pm
DEN
- SAT
Nonstop2h 17m
Frontier
Deal found 3/10![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/2812:52 pm
GJT
- SAT
2 stops26h 01m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$145
Find flight deals from Colorado to San Antonio
Keep the following information in mind while searching for Colorado to San Antonio flight deals. Data was last updated March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $101 (Kiwi.com) |
One-way from | $32 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $221 |
Good round-trip deal | $170 or less |
Good one-way deal | $113 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to San Antonio 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 13, 2026.
Use the filters below to find and compare flights from Colorado to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverSan Antonio
DEN - SAT
DENSAT
Denver Intl
Wed 4/15
5:45 am-3:23 pm
1 stop8h 38m
San Antonio
Sat 4/18
7:00 am-11:32 am
1 stop5h 32m
$197
Grand JunctionSan Antonio
GJT - SAT
GJTSAT
Grand Junction Regnl
Fri 4/3
5:15 pm-12:16 am
1 stop6h 01m
San Antonio
Mon 4/6
5:55 pm-9:53 pm
1 stop4h 58m
$231
DenverSan Antonio
DEN - SAT
DENSAT
Denver Intl
Fri 5/15
5:35 am-12:25 pm
1 stop5h 50m
San Antonio
Sun 5/17
8:55 pm-12:20 am
1 stop4h 25m
$237
DenverSan Antonio
DEN - SAT
DENSAT
Denver Intl
Tue 5/12
2:20 pm-9:45 pm
2 stops6h 25m
San Antonio
Sat 5/16
5:40 pm-10:15 pm
1 stop5h 35m
$242
DenverSan Antonio
DEN - SAT
DENSAT
Denver Intl
Fri 4/24
5:50 am-12:15 pm
1 stop5h 25m
San Antonio
Sun 4/26
6:20 am-7:35 am
Nonstop2h 15m
$247
Grand JunctionSan Antonio
GJT - SAT
GJTSAT
Grand Junction Regnl
Fri 4/17
5:25 pm-12:25 am
1 stop6h 00m
San Antonio
Mon 4/20
6:05 pm-9:54 pm
1 stop4h 49m
$251
DenverSan Antonio
DEN - SAT
DENSAT
Denver Intl
Thu 5/14
7:00 am-1:15 pm
1 stop5h 15m
San Antonio
Mon 5/18
3:05 pm-7:55 pm
2 stops5h 50m
$262
DenverSan Antonio
DEN - SAT
DENSAT
Denver Intl
Fri 5/1
4:50 pm-11:30 pm
2 stops5h 40m
San Antonio
Sun 5/3
8:55 pm-12:20 am
1 stop4h 25m
$282
DenverSan Antonio
DEN - SAT
DENSAT
Denver Intl
Fri 4/24
6:25 pm-12:30 am
1 stop5h 05m
San Antonio
Mon 4/27
3:05 pm-7:55 pm
2 stops5h 50m
$282
DurangoSan Antonio
DRO - SAT
DROSAT
Durango La Plata County
Sat 3/28
1:41 pm-10:57 pm
2 stops8h 16m
San Antonio
Wed 4/1
4:45 pm-8:39 pm
1 stop4h 54m
$296
Showing 1-10 of 56 resultsSorted by cheapest first
Best time to book a flight from Colorado to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Colorado with our price prediction graph.
DEN-SAT
GJT-SAT
DRO-SAT
COS-SAT
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 Colorado to San Antonio
USCO-SAT
DEN-SAT
GJT-SAT
DRO-SAT
COS-SAT
What is the cheapest month to book a flight from Colorado to San Antonio?
Currently, April is the cheapest month in which you can book a flight from Colorado to San Antonio (average of $46). Flying from Colorado to San Antonio in June is currently the most expensive (average of $95). 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 CO to SAT?
Find hourly flight availability from Colorado to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 13, 2026.
A simple way to save on the total cost of your ticket is to fly from Colorado to San Antonio in the afternoon. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Colorado to San Antonio?
Use this chart to determine the cheapest time to fly round-trip from Colorado to San Antonio. Price data was last updated on December 6, 2025.
Travelers seeking maximum savings on their Colorado to San Antonio flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Colorado to San Antonio
Explore weekly flight availability from Colorado to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 13, 2026.
The most flights from USCO to SAT are scheduled on a Thursday (20 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).
Related info for your journey
Find useful and relevant information for your journey from Colorado to San Antonio. 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 San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Colorado to San Antonio
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Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to San Antonio by cabin class
Find flights from Colorado to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and San Antonio flights
Browse other Colorado and San Antonio flight options. Last updated on March 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 13, 2026.
Colorado to San Antonio flights
Consider these flights traveling from Colorado to San Antonio.
Top 4 airlines flying from Colorado to San Antonio
Discover the top 4 airlines that operate flights from Colorado to San Antonio. 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$175 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$133 | Average$408 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$335 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$344 | FlexibilityNo cancel fee | On-time71% |