$89+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SAT
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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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 June 11, 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 June 11, 2026.
This Frontier deal was found by Cheapflights users on 6/10. 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 9/13:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Wed 9/27:51 pm
SAT
- DEN
Nonstop2h 34m
Frontier
Deal found 6/10![Frontier logo]()
$186
This Super.com deal was found by Cheapflights users on 6/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Wed 7/227:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/8![Frontier logo]()
$190
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Tue 8/47:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/7![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 6/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Tue 7/217:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/7![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:43 pm
DEN
- SAT
Nonstop2h 11m
Frontier
Mon 10/511:08 am
SAT
- DEN
Nonstop2h 25m
Frontier
Deal found 6/6![Frontier logo]()
$199
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Wed 7/227:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/7![Frontier logo]()
$206
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Wed 7/87:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/7![Frontier logo]()
$211
This Super.com deal was found by Cheapflights users on 6/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Sat 7/117:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/10![Frontier logo]()
$213
This Super.com deal was found by Cheapflights users on 6/9. 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.
Wed 7/13:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Wed 7/157:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/9![Frontier logo]()
$216
This Super.com deal was found by Cheapflights users on 6/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:40 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Wed 8/127:49 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/10![Frontier logo]()
$217
This Southwest deal was found by Cheapflights users on 6/7. 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.
Wed 9/161:15 pm
COS
- SAT
1 stop7h 10m
Southwest
Tue 9/225:25 pm
SAT
- COS
1 stop3h 45m
Southwest
Deal found 6/7![Southwest logo]()
$218
This Frontier deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Sat 6/278:56 pm
SAT
- DEN
1 stop8h 02m
Frontier
Deal found 6/6![Frontier logo]()
$218
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 June 11, 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 June 11, 2026.
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:33 pm
GJT
- SAT
2 stops8h 09m
United Airlines
Thu 7/165:40 am
SAT
- GJT
1 stop4h 13m
United Airlines
Deal found 6/9![United Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:55 pm
COS
- SAT
1 stop5h 50m
Delta
Mon 11/1612:25 pm
SAT
- COS
1 stop5h 49m
Delta
Deal found 6/10![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 6/10. 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.
Wed 7/85:35 am
COS
- SAT
2 stops6h 10m
Southwest
Tue 7/142:40 pm
SAT
- COS
2 stops8h 05m
Southwest
Deal found 6/10![Southwest logo]()
$335
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:00 am
DRO
- SAT
1 stop6h 56m
American Airlines
Tue 10/2712:39 pm
SAT
- DRO
1 stop4h 55m
American Airlines
Deal found 6/8![American Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:08 pm
DEN
- SAT
2 stops20h 05m
Alaska Airlines
Sun 8/305:11 pm
SAT
- DEN
1 stop24h 25m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$570
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:14 pm
COS
- SAT
1 stop5h 12m
Delta
Sun 9/276:02 pm
SAT
- COS
1 stop5h 52m
Delta
Deal found 6/10![Delta logo]()
$304
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:25 am
DRO
- SAT
1 stop5h 30m
United Airlines
Sun 8/304:45 pm
SAT
- DRO
1 stop6h 15m
United Airlines
Deal found 6/10![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:15 pm
COS
- SAT
2 stops7h 40m
Southwest
Wed 9/95:25 pm
SAT
- COS
1 stop3h 45m
Southwest
Deal found 6/6![Southwest logo]()
$338
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Fri 10/231:37 pm
DRO
- SAT
2 stops8h 14m
United Airlines
Tue 10/271:35 pm
SAT
- DRO
1 stop4h 30m
United Airlines
Deal found 6/8![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 6/8. 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 7/86:16 pm
COS
- SAT
1 stop5h 10m
Delta
Wed 7/226:03 pm
SAT
- COS
1 stop5h 38m
Delta
Deal found 6/8![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 6/9. 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.
Thu 7/165:10 am
COS
- SAT
1 stop4h 45m
Southwest
Tue 7/217:15 am
SAT
- COS
1 stop3h 40m
Southwest
Deal found 6/9![Southwest logo]()
$353
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Sat 7/410:00 am
DRO
- SAT
1 stop5h 59m
United Airlines
Fri 7/104:35 pm
SAT
- DRO
1 stop4h 47m
United Airlines
Deal found 6/7![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 6/10. 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 7/286:35 am
COS
- SAT
1 stop5h 10m
Southwest
Fri 7/312:40 pm
SAT
- COS
2 stops8h 10m
Southwest
Deal found 6/10![Southwest logo]()
$361
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:53 pm
GJT
- SAT
1 stop4h 33m
Delta
Wed 8/126:03 pm
SAT
- GJT
1 stop4h 53m
Delta
Deal found 6/9![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:05 pm
DRO
- SAT
1 stop4h 50m
United Airlines
Mon 7/65:30 am
SAT
- DRO
1 stop6h 51m
United Airlines
Deal found 6/9![United Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 6/9. 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.
Thu 7/94:40 pm
COS
- SAT
2 stops5h 55m
Southwest
Tue 7/142:40 pm
SAT
- COS
2 stops8h 05m
Southwest
Deal found 6/9![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 8/61:30 pm
DRO
- SAT
1 stop6h 24m
United Airlines
Sun 8/95:30 am
SAT
- DRO
1 stop5h 03m
United Airlines
Deal found 6/8![United Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:53 pm
GJT
- SAT
1 stop4h 33m
Delta
Thu 8/136:03 pm
SAT
- GJT
1 stop4h 53m
Delta
Deal found 6/10![Delta logo]()
$393
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 8/61:30 pm
DRO
- SAT
1 stop6h 24m
United Airlines
Mon 8/104:35 pm
SAT
- DRO
1 stop4h 47m
United Airlines
Deal found 6/8![United Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 6/9. 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 8/48:40 am
DEN
- SAT
1 stop6h 00m
Southwest
Sat 8/812:50 pm
SAT
- DEN
2 stops6h 45m
Southwest
Deal found 6/9![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 7/11:33 pm
GJT
- SAT
2 stops8h 09m
United Airlines
Tue 7/74:35 pm
SAT
- GJT
1 stop4h 59m
United Airlines
Deal found 6/7![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 6/9. 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.
Wed 7/227:20 am
DEN
- SAT
1 stop4h 25m
Southwest
Sat 7/255:50 am
SAT
- DEN
2 stops6h 30m
Southwest
Deal found 6/9![Southwest logo]()
$396
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:50 pm
GJT
- SAT
1 stop4h 26m
Delta
Fri 6/196:03 pm
SAT
- GJT
1 stop4h 51m
Delta
Deal found 6/9![Delta logo]()
$455
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:27 am
COS
- SAT
1 stop5h 26m
United Airlines
Tue 9/14:12 pm
SAT
- COS
1 stop6h 15m
United Airlines
Deal found 6/10![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 6/10. 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.
Wed 7/2912:05 pm
DEN
- SAT
1 stop5h 35m
Southwest
Sun 8/212:25 pm
SAT
- DEN
2 stops6h 55m
Southwest
Deal found 6/10![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:10 pm
DEN
- SAT
1 stop9h 10m
Delta
Sat 7/186:30 am
SAT
- DEN
2 stops12h 52m
Delta
Deal found 6/10![Delta logo]()
$474
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sat 8/89:05 am
DEN
- SAT
2 stops6h 20m
Southwest
Wed 8/129:20 am
SAT
- DEN
2 stops5h 50m
Southwest
Deal found 6/10![Southwest logo]()
$417
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:05 pm
DRO
- SAT
1 stop4h 50m
United Airlines
Tue 7/284:35 pm
SAT
- DRO
1 stop4h 47m
United Airlines
Deal found 6/6![United Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 6/7. 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.
Wed 6/244:43 pm
DEN
- SAT
1 stop6h 50m
Delta
Sat 6/275:00 pm
SAT
- DEN
1 stop7h 06m
Delta
Deal found 6/7![Delta logo]()
$549
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
DEN
- SAT
2 stops5h 20m
Southwest
Fri 9/48:55 am
SAT
- DEN
2 stops5h 40m
Southwest
Deal found 6/6![Southwest logo]()
$467
Last-minute flights from Colorado to San AntonioDiscover last-minute flight deals from Colorado to San Antonio. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to San Antonio. Data last updated June 11, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Sat 6/278:56 pm
SAT
- DEN
1 stop8h 02m
Frontier
Deal found 6/6![Frontier logo]()
$218
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Wed 7/87:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/7![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 6/9. 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.
Wed 7/13:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Tue 7/77:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/9![Frontier logo]()
$216
This Super.com deal was found by Cheapflights users on 6/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Sat 7/117:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/10![Frontier logo]()
$213
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Tue 8/47:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/7![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 6/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Tue 7/217:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/7![Frontier logo]()
$193
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Wed 7/227:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/7![Frontier logo]()
$206
This Super.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/183:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Tue 7/287:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/6![Frontier logo]()
$226
This Super.com deal was found by Cheapflights users on 6/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Wed 7/227:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/8![Frontier logo]()
$190
This Super.com deal was found by Cheapflights users on 6/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Fri 7/317:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/10![Frontier logo]()
$227
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Sat 8/17:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/7![Frontier logo]()
$228
This Super.com deal was found by Cheapflights users on 6/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/313:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Mon 8/37:39 pm
SAT
- DEN
Nonstop2h 35m
Frontier
Deal found 6/11![Frontier logo]()
$223
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 June 11, 2026.
Search for one-way flight options from Colorado to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Frontier deal was found by Cheapflights users on 6/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Deal found 6/7![Frontier logo]()
$89
This Super.com deal was found by Cheapflights users on 6/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Deal found 6/8![Frontier logo]()
$92
This Frontier deal was found by Cheapflights users on 6/10. 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 8/43:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Deal found 6/10![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Deal found 6/6![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 6/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Deal found 6/11![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 6/11. 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.
Sat 7/43:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Deal found 6/11![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 6/10. 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.
Sat 7/183:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Deal found 6/10![Frontier logo]()
$109
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:16 pm
COS
- SAT
1 stop5h 10m
Delta
Deal found 6/10![Delta logo]()
$111
This Super.com deal was found by Cheapflights users on 6/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Deal found 6/10![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 6/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:30 pm
DEN
- SAT
Nonstop2h 14m
Frontier
Deal found 6/7![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:40 pm
DEN
- SAT
Nonstop2h 16m
Frontier
Deal found 6/8![Frontier logo]()
$115
This Southwest deal was found by Cheapflights users on 6/7. 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.
Tue 8/46:15 am
COS
- SAT
2 stops8h 25m
Southwest
Deal found 6/7![Southwest logo]()
$117
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 June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $186 (Frontier) |
One-way from | $89 (Frontier) |
Popular in | June |
Cheapest in | September |
Average price | $337 |
Good round-trip deal | $280 or less |
Good one-way deal | $133 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 June 11, 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
Grand JunctionSan Antonio
GJT - SAT
GJTSAT
Grand Junction Regnl
Thu 7/9
1:33 pm-10:42 pm
2 stops8h 09m
San Antonio
Thu 7/16
5:40 am-8:53 am
1 stop4h 13m
$276
Colorado SpringsSan Antonio
COS - SAT
COSSAT
Colorado Springs
Fri 11/13
5:55 pm-12:45 am
1 stop5h 50m
San Antonio
Mon 11/16
12:25 pm-5:14 pm
1 stop5h 49m
$287
Colorado SpringsSan Antonio
COS - SAT
COSSAT
Colorado Springs
Wed 9/23
6:14 pm-12:26 am
1 stop5h 12m
San Antonio
Sun 9/27
6:02 pm-10:54 pm
1 stop5h 52m
$304
DurangoSan Antonio
DRO - SAT
DROSAT
Durango La Plata County
Wed 8/26
10:25 am-4:55 pm
1 stop5h 30m
San Antonio
Sun 8/30
4:45 pm-10:00 pm
1 stop6h 15m
$318
DurangoSan Antonio
DRO - SAT
DROSAT
Durango La Plata County
Fri 10/23
1:37 pm-10:51 pm
2 stops8h 14m
San Antonio
Tue 10/27
1:35 pm-5:05 pm
1 stop4h 30m
$324
Colorado SpringsSan Antonio
COS - SAT
COSSAT
Colorado Springs
Wed 7/8
5:35 am-12:45 pm
2 stops6h 10m
San Antonio
Tue 7/14
2:40 pm-9:45 pm
2 stops8h 05m
$335
Colorado SpringsSan Antonio
COS - SAT
COSSAT
Colorado Springs
Wed 7/8
6:16 pm-12:26 am
1 stop5h 10m
San Antonio
Wed 7/22
6:03 pm-10:41 pm
1 stop5h 38m
$337
Colorado SpringsSan Antonio
COS - SAT
COSSAT
Colorado Springs
Wed 9/2
1:15 pm-9:55 pm
2 stops7h 40m
San Antonio
Wed 9/9
5:25 pm-8:10 pm
1 stop3h 45m
$338
DurangoSan Antonio
DRO - SAT
DROSAT
Durango La Plata County
Sat 7/4
10:00 am-4:59 pm
1 stop5h 59m
San Antonio
Fri 7/10
4:35 pm-8:22 pm
1 stop4h 47m
$339
DurangoSan Antonio
DRO - SAT
DROSAT
Durango La Plata County
Fri 6/26
6:05 pm-11:55 pm
1 stop4h 50m
San Antonio
Mon 7/6
5:30 am-11:21 am
1 stop6h 51m
$341
Showing 1-10 of 60 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
COS-SAT
GJT-SAT
DRO-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
COS-SAT
GJT-SAT
DRO-SAT
What is the cheapest month to book a flight from Colorado to San Antonio?
Currently, January is the cheapest month in which you can book a flight from Colorado to San Antonio (average of $29). Flying from Colorado to San Antonio in November is currently the most expensive (average of $70). 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 June 11, 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 45% on your trip compared to booking a flight at noon.
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 June 11, 2026.
The most flights from USCO to SAT are scheduled on a Thursday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Colorado to San Antonio?
How far ahead should I book a flight from Colorado to San Antonio?
The best time to book flights from Colorado to San Antonio is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 Saturday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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
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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.
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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 June 11, 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 June 11, 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$184 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$143 | Average$389 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$344 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$345 | FlexibilityNo cancel fee | On-time71% |