$66+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — DEN
Aug 24 — Aug 311
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 July 25, 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 July 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:39 pm
OAK
- DEN
1 stop6h 13m
Frontier
Tue 9/1510:30 pm
DEN
- OAK
1 stop13h 48m
Frontier
Deal found 7/22![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:13 pm
OAK
- DEN
1 stop11h 02m
Frontier
Tue 10/1310:30 pm
DEN
- OAK
1 stop13h 48m
Frontier
Deal found 7/22![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:13 pm
OAK
- DEN
1 stop5h 27m
Frontier
Wed 9/2310:30 pm
DEN
- OAK
1 stop13h 48m
Frontier
Deal found 7/21![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:51 pm
OAK
- DEN
1 stop16h 55m
Frontier
Wed 10/1410:30 pm
DEN
- OAK
1 stop13h 48m
Frontier
Deal found 7/24![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:47 pm
OAK
- DEN
1 stop9h 57m
Frontier
Mon 10/1210:30 pm
DEN
- OAK
1 stop13h 48m
Frontier
Deal found 7/24![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:13 pm
OAK
- DEN
1 stop8h 28m
Frontier
Mon 8/316:10 am
DEN
- OAK
1 stop6h 08m
Frontier
Deal found 7/23![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:37 pm
OAK
- DEN
1 stop6h 11m
Frontier
Thu 9/36:10 am
DEN
- OAK
1 stop6h 08m
Frontier
Deal found 7/23![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:13 pm
OAK
- DEN
1 stop8h 28m
Frontier
Sun 8/3010:29 pm
DEN
- OAK
2 stops37h 49m
Frontier
Deal found 7/22![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:47 pm
OAK
- DEN
1 stop20h 20m
Frontier
Sat 9/127:30 am
DEN
- OAK
1 stop5h 21m
Frontier
Deal found 7/23![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:13 pm
OAK
- DEN
1 stop19h 52m
Frontier
Thu 8/2712:47 pm
DEN
- OAK
1 stop7h 55m
Frontier
Deal found 7/23![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:13 pm
OAK
- DEN
1 stop11h 02m
Frontier
Wed 11/187:08 pm
DEN
- OAK
1 stop17h 10m
Frontier
Deal found 7/21![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:13 pm
OAK
- DEN
1 stop11h 02m
Frontier
Tue 11/1710:30 pm
DEN
- OAK
1 stop13h 48m
Frontier
Deal found 7/21![Frontier logo]()
$174
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 July 25, 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 July 25, 2026.
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:55 pm
OAK
- COS
2 stops7h 15m
Southwest
Tue 10/66:30 am
COS
- OAK
2 stops5h 45m
Southwest
Deal found 7/22![Southwest logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:04 pm
OAK
- DEN
1 stop6h 46m
Alaska Airlines
Sat 11/141:55 pm
DEN
- OAK
1 stop10h 32m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:00 pm
OAK
- COS
1 stop4h 28m
Delta
Sat 8/156:16 pm
COS
- OAK
1 stop5h 22m
Delta
Deal found 7/22![Delta logo]()
$332
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:45 pm
OAK
- DEN
1 stop4h 15m
Southwest
Sat 9/197:45 pm
DEN
- OAK
Nonstop2h 35m
Southwest
Deal found 7/23![Southwest logo]()
$263
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:10 pm
OAK
- DEN
Nonstop2h 30m
Southwest
Sun 9/68:45 am
DEN
- OAK
1 stop5h 05m
Southwest
Deal found 7/24![Southwest logo]()
$268
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:50 pm
OAK
- DEN
1 stop7h 40m
Alaska Airlines
Thu 8/206:17 am
DEN
- OAK
1 stop17h 53m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:20 am
OAK
- DEN
1 stop5h 39m
Alaska Airlines
Thu 11/198:20 am
DEN
- OAK
1 stop7h 04m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:35 pm
OAK
- COS
1 stop7h 10m
Southwest
Fri 9/182:15 pm
COS
- OAK
1 stop6h 00m
Southwest
Deal found 7/21![Southwest logo]()
$280
This Alaska Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:13 pm
OAK
- DEN
1 stop7h 31m
Alaska Airlines
Wed 9/308:06 pm
DEN
- OAK
1 stop16h 00m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:00 pm
OAK
- COS
1 stop4h 25m
Delta
Mon 9/286:11 pm
COS
- OAK
1 stop6h 48m
Delta
Deal found 7/20![Delta logo]()
$409
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:35 pm
OAK
- COS
1 stop7h 15m
Southwest
Sun 9/135:30 am
COS
- OAK
1 stop4h 50m
Southwest
Deal found 7/23![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:00 pm
OAK
- COS
1 stop4h 28m
Delta
Mon 8/246:16 pm
COS
- OAK
1 stop6h 40m
Delta
Deal found 7/23![Delta logo]()
$434
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:40 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Sun 9/68:50 am
DEN
- OAK
1 stop4h 45m
Southwest
Deal found 7/21![Southwest logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:10 pm
OAK
- DEN
1 stop5h 46m
Alaska Airlines
Tue 9/81:43 pm
DEN
- OAK
1 stop5h 29m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:00 pm
OAK
- GJT
1 stop3h 56m
Delta
Mon 8/246:53 pm
GJT
- OAK
1 stop6h 03m
Delta
Deal found 7/20![Delta logo]()
$467
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:40 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Sun 8/308:40 am
DEN
- OAK
Nonstop2h 30m
Southwest
Deal found 7/24![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:45 pm
OAK
- DEN
1 stop4h 15m
Southwest
Sun 9/138:40 am
DEN
- OAK
Nonstop2h 30m
Southwest
Deal found 7/20![Southwest logo]()
$353
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:40 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Fri 8/284:15 pm
DEN
- OAK
1 stop4h 30m
Southwest
Deal found 7/24![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:00 pm
OAK
- GJT
1 stop3h 56m
Delta
Sun 8/97:41 am
GJT
- OAK
1 stop5h 11m
Delta
Deal found 7/21![Delta logo]()
$537
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:00 am
OAK
- COS
1 stop10h 55m
Southwest
Sun 9/66:30 am
COS
- OAK
2 stops7h 20m
Southwest
Deal found 7/24![Southwest logo]()
$363
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:00 pm
OAK
- GJT
1 stop3h 56m
Delta
Tue 8/257:41 am
GJT
- OAK
1 stop5h 11m
Delta
Deal found 7/22![Delta logo]()
$543
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:40 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Tue 8/259:00 am
DEN
- OAK
Nonstop2h 30m
Southwest
Deal found 7/23![Southwest logo]()
$364
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:00 pm
OAK
- GJT
1 stop3h 56m
Delta
Tue 8/257:41 am
GJT
- OAK
1 stop5h 11m
Delta
Deal found 7/22![Delta logo]()
$543
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/75:00 pm
OAK
- GJT
1 stop3h 56m
Delta
Mon 8/106:53 pm
GJT
- OAK
1 stop6h 03m
Delta
Deal found 7/25![Delta logo]()
$607
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:30 am
OAK
- MTJ
2 stops7h 50m
Southwest
Mon 8/249:10 am
MTJ
- OAK
1 stop11h 10m
Southwest
Deal found 7/22![Southwest logo]()
$416
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/75:00 pm
OAK
- GJT
1 stop3h 56m
Delta
Sun 8/97:41 am
GJT
- OAK
1 stop5h 11m
Delta
Deal found 7/25![Delta logo]()
$607
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:00 am
OAK
- MTJ
2 stops8h 20m
Southwest
Mon 8/249:10 am
MTJ
- OAK
1 stop11h 10m
Southwest
Deal found 7/22![Southwest logo]()
$431
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:00 pm
OAK
- GJT
1 stop3h 56m
Delta
Sun 8/236:53 pm
GJT
- OAK
1 stop6h 03m
Delta
Deal found 7/22![Delta logo]()
$613
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:30 pm
OAK
- COS
2 stops6h 20m
Southwest
Sun 8/165:30 am
COS
- OAK
2 stops6h 35m
Southwest
Deal found 7/24![Southwest logo]()
$433
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:33 pm
OAK
- GJT
1 stop4h 45m
Delta
Sun 8/237:41 am
GJT
- OAK
1 stop5h 11m
Delta
Deal found 7/22![Delta logo]()
$689
Last-minute flights from Oakland to ColoradoDiscover last-minute flight deals from Oakland to Colorado. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Oakland to Colorado. Data last updated July 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:00 pm
OAK
- COS
1 stop4h 28m
Delta
Wed 8/126:16 pm
COS
- OAK
1 stop6h 40m
Delta
Deal found 7/22![Delta logo]()
$332
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:10 pm
OAK
- COS
1 stop5h 25m
Southwest
Tue 8/116:55 am
COS
- OAK
1 stop5h 15m
Southwest
Deal found 7/21![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:20 am
OAK
- COS
1 stop4h 25m
Southwest
Mon 8/174:20 pm
COS
- OAK
1 stop8h 45m
Southwest
Deal found 7/24![Southwest logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:37 pm
OAK
- DEN
1 stop6h 11m
Frontier
Wed 8/2610:49 pm
DEN
- OAK
1 stop13h 29m
Frontier
Deal found 7/21![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:13 pm
OAK
- DEN
1 stop8h 28m
Frontier
Sun 8/3010:29 pm
DEN
- OAK
2 stops37h 49m
Frontier
Deal found 7/22![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:13 pm
OAK
- DEN
1 stop19h 52m
Frontier
Thu 8/2712:47 pm
DEN
- OAK
1 stop7h 55m
Frontier
Deal found 7/23![Frontier logo]()
$170
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:00 pm
OAK
- COS
1 stop4h 28m
Delta
Sat 8/298:10 am
COS
- OAK
1 stop4h 42m
Delta
Deal found 7/23![Delta logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:37 pm
OAK
- DEN
1 stop6h 11m
Frontier
Thu 9/36:10 am
DEN
- OAK
1 stop6h 08m
Frontier
Deal found 7/21![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:13 pm
OAK
- DEN
1 stop8h 28m
Frontier
Mon 8/316:10 am
DEN
- OAK
1 stop6h 08m
Frontier
Deal found 7/23![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:37 pm
OAK
- DEN
1 stop6h 11m
Frontier
Tue 9/110:49 pm
DEN
- OAK
1 stop13h 29m
Frontier
Deal found 7/22![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:37 pm
OAK
- DEN
1 stop6h 11m
Frontier
Mon 8/316:10 am
DEN
- OAK
1 stop6h 08m
Frontier
Deal found 7/23![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:37 pm
OAK
- DEN
1 stop6h 11m
Frontier
Thu 9/36:10 am
DEN
- OAK
1 stop6h 08m
Frontier
Deal found 7/23![Frontier logo]()
$167
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 July 25, 2026.
Search for one-way flight options from Oakland to Colorado. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Trip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:13 pm
OAK
- DEN
1 stop11h 02m
Frontier
Deal found 7/22![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:13 pm
OAK
- DEN
1 stop11h 02m
Frontier
Deal found 7/22![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:13 pm
OAK
- DEN
1 stop8h 28m
Frontier
Deal found 7/22![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:13 pm
OAK
- DEN
1 stop11h 02m
Frontier
Deal found 7/21![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:13 pm
OAK
- DEN
1 stop10h 57m
Frontier
Deal found 7/24![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:37 pm
OAK
- DEN
1 stop11h 28m
Frontier
Deal found 7/23![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:13 pm
OAK
- DEN
1 stop11h 02m
Frontier
Deal found 7/23![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:13 pm
OAK
- DEN
1 stop8h 28m
Frontier
Deal found 7/23![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:13 pm
OAK
- DEN
1 stop14h 39m
Frontier
Deal found 7/22![Frontier logo]()
$90
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:15 am
OAK
- COS
1 stop4h 45m
Southwest
Deal found 7/24![Southwest logo]()
$124
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:00 pm
OAK
- COS
1 stop4h 28m
Delta
Deal found 7/20![Delta logo]()
$129
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:00 am
OAK
- MTJ
2 stops8h 20m
Southwest
Deal found 7/24![Southwest logo]()
$133
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 July 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $153 (Kiwi.com) |
One-way from | $66 (Trip.com) |
Popular in | June |
Cheapest in | October |
Average price | $336 |
Good round-trip deal | $369 or less |
Good one-way deal | $210 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 July 25, 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
Thu 10/1
3:55 pm-12:10 am
2 stops7h 15m
Colorado Springs
Tue 10/6
6:30 am-11:15 am
2 stops5h 45m
$253
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Thu 9/17
5:45 pm-11:00 pm
1 stop4h 15m
Denver Intl
Sat 9/19
7:45 pm-9:20 pm
Nonstop2h 35m
$263
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Sat 9/5
4:10 pm-7:40 pm
Nonstop2h 30m
Denver Intl
Sun 9/6
8:45 am-12:50 pm
1 stop5h 05m
$268
OaklandColorado Springs
OAK - COS
OAKCOS
Oakland
Wed 9/9
1:35 pm-9:45 pm
1 stop7h 10m
Colorado Springs
Fri 9/18
2:15 pm-7:15 pm
1 stop6h 00m
$280
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Fri 11/13
3:04 pm-10:50 pm
1 stop6h 46m
Denver Intl
Sat 11/14
1:55 pm-11:27 pm
1 stop10h 32m
$301
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Mon 8/17
2:50 pm-11:30 pm
1 stop7h 40m
Denver Intl
Thu 8/20
6:17 am-11:10 pm
1 stop17h 53m
$301
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Fri 11/6
6:20 am-12:59 pm
1 stop5h 39m
Denver Intl
Thu 11/19
8:20 am-2:24 pm
1 stop7h 04m
$301
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Sun 9/27
3:13 pm-11:44 pm
1 stop7h 31m
Denver Intl
Wed 9/30
8:06 pm-11:06 am
1 stop16h 00m
$311
OaklandColorado Springs
OAK - COS
OAKCOS
Oakland
Tue 9/8
1:35 pm-9:50 pm
1 stop7h 15m
Colorado Springs
Sun 9/13
5:30 am-9:20 am
1 stop4h 50m
$317
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Thu 9/3
7:40 pm-11:05 pm
Nonstop2h 25m
Denver Intl
Sun 9/6
8:50 am-12:35 pm
1 stop4h 45m
$327
Showing 1-10 of 59 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-DEN
OAK-COS
OAK-GJT
OAK-MTJ
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-DEN
OAK-COS
OAK-GJT
OAK-MTJ
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 $220). Flying from Oakland, California to Colorado in July is currently the most expensive (average of $468). 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 July 25, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 14% 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?
Airfare is below average for this route at the moment.
Oakland, California to Colorado flights typically cost between $343 and $502 in September.The cheapest round-trip price found within the last 5 days was $153 on Frontier (Sep 10-Sep 15).
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 July 18, 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 July 25, 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.
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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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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 July 25, 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 July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$173 | Average$402 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$191 | Average$438 | FlexibilityNo cancel fee | On-time63% |