$102+ Cheap flights from Oakland, CA (OAK) to Colorado
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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — DEN
Jul 14 — Jul 211
Round-trip
1 adult, Economy
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Cheapest flights from Oakland to ColoradoExplore the most affordable flight options available from Oakland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.
Explore the most affordable flight options available from Oakland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.
This Southwest deal was found by Cheapflights users on 6/13. 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 7/215:45 pm
OAK
- COS
1 stop5h 05m
Southwest
Tue 7/286:00 am
COS
- OAK
1 stop5h 25m
Southwest
Deal found 6/13![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:03 pm
OAK
- COS
1 stop4h 51m
Delta
Wed 10/75:55 pm
COS
- OAK
1 stop7h 01m
Delta
Deal found 6/12![Delta logo]()
$273
This Southwest deal was found by Cheapflights users on 6/13. 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 7/145:30 am
OAK
- COS
1 stop4h 05m
Southwest
Tue 7/147:05 pm
COS
- OAK
1 stop4h 20m
Southwest
Deal found 6/13![Southwest logo]()
$280
This Southwest deal was found by Cheapflights users on 6/13. 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 7/285:15 am
OAK
- COS
1 stop5h 20m
Southwest
Tue 8/41:15 pm
COS
- OAK
2 stops6h 50m
Southwest
Deal found 6/13![Southwest logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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.
Tue 10/272:44 pm
OAK
- DEN
1 stop8h 08m
Alaska Airlines
Wed 10/286:58 pm
DEN
- OAK
1 stop5h 10m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$296
This Southwest deal was found by Cheapflights users on 6/14. 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 7/157:40 pm
OAK
- DEN
Nonstop2h 30m
Southwest
Tue 7/212:55 pm
DEN
- OAK
Nonstop2h 35m
Southwest
Deal found 6/14![Southwest logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:13 pm
OAK
- DEN
1 stop5h 00m
Alaska Airlines
Sat 8/226:17 am
DEN
- OAK
1 stop5h 49m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 6/14. 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 9/38:05 am
OAK
- COS
1 stop7h 25m
Southwest
Thu 9/105:10 pm
COS
- OAK
1 stop6h 35m
Southwest
Deal found 6/14![Southwest logo]()
$299
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:13 pm
OAK
- DEN
1 stop5h 27m
Frontier
Mon 11/1610:30 pm
DEN
- OAK
1 stop13h 48m
Frontier
Deal found 6/12![Frontier logo]()
$301
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.
Fri 9/254:20 pm
OAK
- COS
2 stops6h 15m
Southwest
Mon 9/285:10 pm
COS
- OAK
1 stop6h 35m
Southwest
Deal found 6/10![Southwest logo]()
$301
This Orbitz deal was found by Cheapflights users on 6/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:29 pm
OAK
- DEN
1 stop4h 57m
Multiple Airlines
Sun 8/3012:47 pm
DEN
- OAK
1 stop23h 31m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 6/14. 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 7/2812:20 pm
OAK
- DEN
1 stop4h 50m
Southwest
Tue 7/288:50 pm
DEN
- OAK
Nonstop2h 40m
Southwest
Deal found 6/14![Southwest logo]()
$303
Best flights from Oakland to ColoradoDiscover carefully curated flight deals from Oakland to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
Discover carefully curated flight deals from Oakland to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:03 pm
OAK
- COS
1 stop4h 51m
Delta
Wed 10/75:55 pm
COS
- OAK
1 stop7h 01m
Delta
Deal found 6/12![Delta logo]()
$273
This Southwest deal was found by Cheapflights users on 6/13. 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 7/285:15 am
OAK
- COS
1 stop5h 20m
Southwest
Tue 8/41:15 pm
COS
- OAK
2 stops6h 50m
Southwest
Deal found 6/13![Southwest logo]()
$285
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.
Sat 8/291:29 pm
OAK
- DEN
1 stop6h 44m
Alaska Airlines
Fri 9/41:43 pm
DEN
- OAK
1 stop5h 29m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 6/14. 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 9/38:05 am
OAK
- COS
1 stop7h 25m
Southwest
Thu 9/105:10 pm
COS
- OAK
1 stop6h 35m
Southwest
Deal found 6/14![Southwest logo]()
$299
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:05 pm
OAK
- DEN
1 stop4h 35m
Delta
Sat 7/1112:45 pm
DEN
- OAK
1 stop4h 36m
Delta
Deal found 6/14![Delta logo]()
$337
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.
Mon 7/206:10 pm
OAK
- COS
1 stop6h 10m
Southwest
Fri 7/317:55 pm
COS
- OAK
1 stop4h 35m
Southwest
Deal found 6/10![Southwest logo]()
$313
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:13 pm
OAK
- DEN
1 stop7h 31m
Alaska Airlines
Sun 9/206:17 am
DEN
- OAK
1 stop17h 53m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$361
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:05 pm
OAK
- DEN
1 stop4h 35m
Delta
Mon 8/35:35 am
DEN
- OAK
1 stop7h 17m
Delta
Deal found 6/11![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 6/14. 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 7/315:05 am
OAK
- COS
1 stop4h 25m
Southwest
Mon 8/37:55 pm
COS
- OAK
1 stop4h 35m
Southwest
Deal found 6/14![Southwest logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 7/72:50 pm
OAK
- DEN
1 stop7h 40m
Alaska Airlines
Fri 7/1011:32 am
DEN
- OAK
1 stop8h 01m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$370
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.
Fri 7/244:45 pm
OAK
- COS
1 stop7h 40m
Southwest
Sun 7/268:55 pm
COS
- OAK
1 stop5h 00m
Southwest
Deal found 6/10![Southwest logo]()
$313
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:30 pm
OAK
- DEN
1 stop6h 31m
Delta
Tue 7/215:40 am
DEN
- OAK
1 stop7h 06m
Delta
Deal found 6/11![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 10/162:44 pm
OAK
- DEN
1 stop8h 08m
Alaska Airlines
Sun 10/1812:31 pm
DEN
- OAK
1 stop23h 54m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 6/14. 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 7/225:45 pm
OAK
- COS
1 stop5h 05m
Southwest
Mon 7/277:55 pm
COS
- OAK
1 stop5h 25m
Southwest
Deal found 6/14![Southwest logo]()
$313
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:15 am
OAK
- DEN
1 stop4h 30m
Southwest
Sat 8/294:10 pm
DEN
- OAK
Nonstop2h 35m
Southwest
Deal found 6/12![Southwest logo]()
$315
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:30 pm
OAK
- COS
2 stops6h 55m
Southwest
Mon 7/277:55 pm
COS
- OAK
1 stop5h 25m
Southwest
Deal found 6/11![Southwest logo]()
$318
This Delta deal was found by Cheapflights users on 6/13. 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 7/295:05 pm
OAK
- GJT
1 stop3h 50m
Delta
Mon 8/36:53 pm
GJT
- OAK
1 stop6h 03m
Delta
Deal found 6/13![Delta logo]()
$437
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:50 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Mon 8/175:40 pm
DEN
- OAK
Nonstop2h 40m
Southwest
Deal found 6/11![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 6/14. 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 8/85:00 pm
OAK
- GJT
1 stop4h 05m
Delta
Fri 8/146:53 pm
GJT
- OAK
1 stop6h 03m
Delta
Deal found 6/14![Delta logo]()
$447
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:50 pm
OAK
- DEN
1 stop5h 15m
Southwest
Sat 7/47:45 am
DEN
- OAK
1 stop6h 20m
Southwest
Deal found 6/12![Southwest logo]()
$362
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 7/412:25 pm
OAK
- MTJ
1 stop6h 20m
Southwest
Sat 7/118:00 am
MTJ
- OAK
2 stops9h 55m
Southwest
Deal found 6/10![Southwest logo]()
$382
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:05 pm
OAK
- GJT
1 stop3h 50m
Delta
Wed 7/296:56 pm
GJT
- OAK
1 stop5h 54m
Delta
Deal found 6/11![Delta logo]()
$583
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/268:20 am
OAK
- DEN
Nonstop2h 25m
Southwest
Thu 7/309:35 am
DEN
- OAK
1 stop4h 40m
Southwest
Deal found 6/12![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:03 pm
OAK
- GJT
1 stop3h 47m
Delta
Sat 10/37:41 am
GJT
- OAK
1 stop5h 08m
Delta
Deal found 6/12![Delta logo]()
$603
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:30 am
OAK
- DEN
1 stop4h 05m
Southwest
Sun 9/138:55 pm
DEN
- OAK
Nonstop2h 35m
Southwest
Deal found 6/11![Southwest logo]()
$387
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 7/55:03 pm
OAK
- GJT
1 stop3h 51m
Delta
Sat 7/117:34 am
GJT
- OAK
1 stop5h 12m
Delta
Deal found 6/10![Delta logo]()
$613
This Southwest deal was found by Cheapflights users on 6/13. 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 7/299:50 am
OAK
- MTJ
2 stops8h 40m
Southwest
Mon 8/38:00 am
MTJ
- OAK
2 stops9h 50m
Southwest
Deal found 6/13![Southwest logo]()
$414
This Delta deal was found by Cheapflights users on 6/14. 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 7/1712:30 pm
OAK
- GJT
1 stop4h 47m
Delta
Sun 7/197:34 am
GJT
- OAK
1 stop5h 12m
Delta
Deal found 6/14![Delta logo]()
$653
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:30 pm
OAK
- GJT
1 stop4h 47m
Delta
Sun 7/197:34 am
GJT
- OAK
1 stop5h 12m
Delta
Deal found 6/14![Delta logo]()
$653
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/510:00 am
OAK
- MTJ
2 stops8h 35m
Southwest
Sat 7/118:00 am
MTJ
- OAK
2 stops9h 55m
Southwest
Deal found 6/11![Southwest logo]()
$454
Last-minute flights from Oakland to ColoradoDiscover last-minute flight deals from Oakland to Colorado. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from Oakland to Colorado. Data last updated June 14, 2026 and is based on user searches.
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 7/46:35 am
OAK
- DEN
1 stop4h 40m
Southwest
Wed 7/88:50 pm
DEN
- OAK
Nonstop2h 40m
Southwest
Deal found 6/10![Southwest logo]()
$323
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:50 am
OAK
- DEN
1 stop4h 15m
Southwest
Thu 7/91:15 pm
DEN
- OAK
Nonstop2h 35m
Southwest
Deal found 6/11![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:35 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Sat 7/117:30 pm
DEN
- OAK
Nonstop2h 40m
Southwest
Deal found 6/12![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
OAK
- DEN
1 stop4h 47m
Delta
Tue 7/147:09 pm
DEN
- OAK
1 stop5h 41m
Delta
Deal found 6/12![Delta logo]()
$317
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:45 pm
OAK
- COS
1 stop7h 40m
Southwest
Thu 7/167:55 pm
COS
- OAK
1 stop5h 25m
Southwest
Deal found 6/11![Southwest logo]()
$325
This Southwest deal was found by Cheapflights users on 6/13. 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 7/145:30 am
OAK
- COS
1 stop4h 05m
Southwest
Tue 7/147:05 pm
COS
- OAK
1 stop4h 20m
Southwest
Deal found 6/13![Southwest logo]()
$280
This Southwest deal was found by Cheapflights users on 6/14. 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 7/157:40 pm
OAK
- DEN
Nonstop2h 30m
Southwest
Tue 7/212:55 pm
DEN
- OAK
Nonstop2h 35m
Southwest
Deal found 6/14![Southwest logo]()
$297
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.
Mon 7/206:10 pm
OAK
- COS
1 stop6h 10m
Southwest
Fri 7/317:55 pm
COS
- OAK
1 stop4h 35m
Southwest
Deal found 6/10![Southwest logo]()
$313
This Southwest deal was found by Cheapflights users on 6/13. 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 7/215:45 pm
OAK
- COS
1 stop5h 05m
Southwest
Tue 7/286:00 am
COS
- OAK
1 stop5h 25m
Southwest
Deal found 6/13![Southwest logo]()
$247
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:30 pm
OAK
- COS
2 stops6h 55m
Southwest
Mon 7/276:10 am
COS
- OAK
2 stops7h 20m
Southwest
Deal found 6/11![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 6/13. 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 7/285:15 am
OAK
- COS
1 stop5h 20m
Southwest
Tue 8/41:15 pm
COS
- OAK
2 stops6h 50m
Southwest
Deal found 6/13![Southwest logo]()
$285
This Southwest deal was found by Cheapflights users on 6/14. 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 7/2812:20 pm
OAK
- DEN
1 stop4h 50m
Southwest
Tue 7/288:50 pm
DEN
- OAK
Nonstop2h 40m
Southwest
Deal found 6/14![Southwest logo]()
$303
One-way flights from Oakland to ColoradoSearch for one-way flight options from Oakland to Colorado. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
Search for one-way flight options from Oakland to Colorado. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:40 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Deal found 6/11![Southwest logo]()
$102
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.
Wed 9/912:13 pm
OAK
- DEN
1 stop5h 27m
Frontier
Deal found 6/10![Frontier logo]()
$105
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 10/215:05 pm
OAK
- COS
1 stop4h 25m
Delta
Deal found 6/10![Delta logo]()
$109
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:25 pm
OAK
- DEN
1 stop4h 40m
Southwest
Deal found 6/11![Southwest logo]()
$111
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:00 pm
OAK
- DEN
1 stop4h 55m
Delta
Deal found 6/11![Delta logo]()
$114
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:10 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Deal found 6/11![Southwest logo]()
$123
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.
Thu 9/1012:13 pm
OAK
- DEN
1 stop5h 27m
Frontier
Deal found 6/10![Frontier logo]()
$129
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.
Mon 9/78:39 pm
OAK
- DEN
1 stop6h 19m
Frontier
Deal found 6/11![Frontier logo]()
$135
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.
Mon 8/106:00 am
OAK
- DEN
1 stop5h 04m
Delta
Deal found 6/10![Delta logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:13 pm
OAK
- DEN
1 stop5h 00m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$138
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.
Sun 9/612:13 pm
OAK
- DEN
1 stop11h 25m
Frontier
Deal found 6/10![Frontier logo]()
$141
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:10 pm
OAK
- DEN
1 stop5h 34m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$147
Find flight deals from Oakland to Colorado
Keep the following information in mind while searching for Oakland to Colorado flight deals. Data was last updated June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Southwest) |
One-way from | $102 (Southwest) |
Popular in | June |
Cheapest in | October |
Average price | $353 |
Good round-trip deal | $445 or less |
Good one-way deal | $230 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Oakland to Colorado 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 14, 2026.
Use the filters below to find and compare flights from Oakland to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OaklandColorado Springs
OAK - COS
OAKCOS
Oakland
Sat 10/3
5:03 pm-10:54 pm
1 stop4h 51m
Colorado Springs
Wed 10/7
5:55 pm-11:56 pm
1 stop7h 01m
$273
OaklandColorado Springs
OAK - COS
OAKCOS
Oakland
Tue 7/28
5:15 am-11:35 am
1 stop5h 20m
Colorado Springs
Tue 8/4
1:15 pm-7:05 pm
2 stops6h 50m
$285
OaklandColorado Springs
OAK - COS
OAKCOS
Oakland
Thu 9/3
8:05 am-4:30 pm
1 stop7h 25m
Colorado Springs
Thu 9/10
5:10 pm-10:45 pm
1 stop6h 35m
$299
OaklandColorado Springs
OAK - COS
OAKCOS
Oakland
Mon 7/20
6:10 pm-1:20 am
1 stop6h 10m
Colorado Springs
Fri 7/31
7:55 pm-11:30 pm
1 stop4h 35m
$313
OaklandColorado Springs
OAK - COS
OAKCOS
Oakland
Fri 7/31
5:05 am-10:30 am
1 stop4h 25m
Colorado Springs
Mon 8/3
7:55 pm-11:30 pm
1 stop4h 35m
$313
OaklandColorado Springs
OAK - COS
OAKCOS
Oakland
Fri 7/24
4:45 pm-1:25 am
1 stop7h 40m
Colorado Springs
Sun 7/26
8:55 pm-12:55 am
1 stop5h 00m
$313
OaklandColorado Springs
OAK - COS
OAKCOS
Oakland
Wed 7/22
5:45 pm-11:50 pm
1 stop5h 05m
Colorado Springs
Mon 7/27
7:55 pm-12:20 am
1 stop5h 25m
$313
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Wed 8/26
10:15 am-3:45 pm
1 stop4h 30m
Denver Intl
Sat 8/29
4:10 pm-5:45 pm
Nonstop2h 35m
$315
OaklandColorado Springs
OAK - COS
OAKCOS
Oakland
Thu 7/23
5:30 pm-1:25 am
2 stops6h 55m
Colorado Springs
Mon 7/27
7:55 pm-12:20 am
1 stop5h 25m
$318
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Sat 8/29
1:29 pm-9:13 pm
1 stop6h 44m
Denver Intl
Fri 9/4
1:43 pm-6:12 pm
1 stop5h 29m
$319
Showing 1-10 of 57 resultsSorted by cheapest first
Best time to book a flight from Oakland to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Oakland with our price prediction graph.
OAK-COS
OAK-DEN
OAK-MTJ
OAK-ASE
OAK-GJT
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 Oakland to Colorado
OAK-USCO
OAK-COS
OAK-DEN
OAK-MTJ
OAK-ASE
What is the cheapest month to book a flight from Oakland, California to Colorado?
Currently, January is the cheapest month in which you can book a flight from Oakland, California to Colorado (average of $57). Flying from Oakland, California to Colorado in February is currently the most expensive (average of $157). 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 OAK to CO?
Find hourly flight availability from Oakland to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 15% on flights from Oakland, California to Colorado by exploring options for tickets in the evening.
How much does it cost to fly round-trip from Oakland, California to Colorado?
How far ahead should I book a flight from Oakland, California to Colorado?
The price you pay for your flight from Oakland, California to Colorado may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Oakland, California to Colorado?
Use this chart to determine the cheapest time to fly round-trip from Oakland to Colorado. Price data was last updated on June 13, 2026.
Travelers seeking maximum savings on their Oakland, California to Colorado flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated June 14, 2026.
Read through reviews of airlines operating flights from Oakland to Colorado, such as Southwest,United Airlines, andFrontier. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Oakland to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Oakland to Colorado
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Complete your trip
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Search flights from Oakland to Colorado by cabin class
Find flights from Oakland to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Oakland and Colorado flights
Browse other Oakland and Colorado flight options. Last updated on June 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Oakland to Colorado flights
Consider these flights traveling from Oakland to Colorado.
Top 3 airlines flying from Oakland to Colorado
Discover the top 3 airlines that operate flights from Oakland to Colorado. 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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$236 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$173 | Average$402 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$188 | Average$437 | FlexibilityNo cancel fee | On-time63% |