$85+ Cheap flights from San Diego (SAN) to Colorado
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — DEN
Nov 24 — Dec 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Diego to Colorado with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Diego to Colorado
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to ColoradoExplore the most affordable flight options available from San Diego to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from San Diego to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Priceline deal was found by Cheapflights users on 10/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:16 am -
Nonstop2h 42m
Sat 12/58:49 am -
Nonstop2h 30m
Deal found 10/20![Frontier logo]()
$116
This Cheapflightsfares deal was found by Cheapflights users on 10/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:53 pm -
Nonstop2h 32m
Sun 11/1510:29 pm -
Nonstop2h 28m
Deal found 10/24![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:56 pm -
1 stop15h 22m
Tue 12/2910:29 pm -
Nonstop2h 29m
Deal found 10/21![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/194:53 pm -
Nonstop2h 32m
Mon 11/3010:29 pm -
Nonstop2h 28m
Deal found 10/23![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 12/26:30 am -
Nonstop2h 34m
Sun 12/138:49 am -
Nonstop2h 30m
Deal found 10/23![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/186:25 am -
Nonstop2h 34m
Mon 11/303:04 pm -
Nonstop2h 30m
Deal found 10/21![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:25 am -
Nonstop2h 34m
Wed 11/2510:29 pm -
Nonstop2h 28m
Deal found 10/20![Frontier logo]()
$122
This deal was found by Cheapflights users on 10/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:52 pm -
Nonstop2h 32m
Tue 11/248:50 am -
1 stop4h 17m
Deal found 10/22![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/215:29 pm -
Nonstop2h 31m
Mon 11/2310:29 pm -
Nonstop2h 28m
Deal found 10/21![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:30 am -
Nonstop2h 34m
Sat 12/1210:29 pm -
Nonstop2h 29m
Deal found 10/23![Frontier logo]()
$125
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:53 pm -
Nonstop2h 32m
Sun 11/2210:29 pm -
Nonstop2h 28m
Deal found 10/20![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/164:52 pm -
Nonstop2h 32m
Sat 11/2110:29 pm -
Nonstop2h 28m
Deal found 10/21![Frontier logo]()
$127
Best flights from San Diego to ColoradoDiscover carefully curated flight deals from San Diego to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from San Diego to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:45 am -
Nonstop2h 31m
Thu 12/101:54 pm -
Nonstop2h 31m
Deal found 10/23![Alaska Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 10/22. 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.
Wed 12/26:45 am -
1 stop5h 15m
Thu 12/1010:15 am -
1 stop3h 45m
Deal found 10/22![Southwest logo]()
$192
This Delta deal was found by Cheapflights users on 10/21. 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.
Thu 12/35:11 pm -
1 stop4h 13m
Tue 12/86:05 pm -
1 stop6h 53m
Deal found 10/21![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2812:39 pm -
Nonstop2h 31m
Sun 1/317:40 am -
Nonstop2h 34m
Deal found 10/24![United Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:25 am -
1 stop4h 03m
Wed 11/114:56 pm -
1 stop8h 00m
Deal found 10/20![American Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 10/24. 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 11/196:15 am -
1 stop4h 00m
Sun 11/2210:05 am -
Nonstop2h 20m
Deal found 10/24![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 12/51:36 pm -
1 stop7h 48m
Thu 12/106:05 pm -
1 stop6h 53m
Deal found 10/21![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 10/23. 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 12/312:35 pm -
2 stops8h 10m
Sun 12/67:45 pm -
1 stop3h 55m
Deal found 10/23![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 10/20. 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 12/31:36 pm -
1 stop7h 48m
Thu 12/106:05 pm -
1 stop6h 53m
Deal found 10/20![Delta logo]()
$213
This Southwest deal was found by Cheapflights users on 10/21. 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 12/31:15 pm -
2 stops7h 30m
Tue 12/810:15 am -
1 stop3h 45m
Deal found 10/21![Southwest logo]()
$210
This Southwest deal was found by Cheapflights users on 10/23. 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.
Wed 2/312:25 pm -
1 stop5h 55m
Mon 2/812:15 pm -
1 stop8h 20m
Deal found 10/23![Southwest logo]()
$213
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:30 pm -
1 stop4h 29m
Tue 11/101:20 pm -
1 stop4h 55m
Deal found 10/22![United Airlines logo]()
$284
This Southwest deal was found by Cheapflights users on 10/21. 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 11/125:25 pm -
Nonstop2h 20m
Mon 11/164:25 pm -
Nonstop2h 25m
Deal found 10/21![Southwest logo]()
$213
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/97:00 am -
1 stop4h 15m
Sat 4/105:30 am -
1 stop4h 47m
Deal found 10/22![United Airlines logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/277:00 am -
1 stop7h 35m
Wed 3/34:15 pm -
Nonstop2h 27m
Deal found 10/24![Alaska Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 10/21. 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.
Tue 12/81:50 pm -
1 stop4h 25m
Fri 12/118:20 am -
1 stop6h 20m
Deal found 10/21![Southwest logo]()
$230
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:25 am -
1 stop4h 04m
Fri 1/86:51 pm -
1 stop3h 49m
Deal found 10/20![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:00 pm -
Nonstop2h 30m
Mon 1/187:10 pm -
Nonstop2h 32m
Deal found 10/20![United Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 10/20. 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.
Sat 1/236:50 am -
1 stop4h 30m
Sun 1/3112:55 pm -
2 stops7h 40m
Deal found 10/20![Southwest logo]()
$241
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:20 am -
2 stops9h 52m
Tue 12/87:00 am -
2 stops7h 42m
Deal found 10/20![United Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 10/20. 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 11/165:13 pm -
1 stop4h 56m
Fri 11/276:25 am -
1 stop6h 59m
Deal found 10/20![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:45 am -
1 stop4h 56m
Wed 12/236:15 pm -
1 stop5h 14m
Deal found 10/23![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 10/24. 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 2/512:00 pm -
2 stops6h 40m
Mon 2/88:25 am -
2 stops8h 25m
Deal found 10/24![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 10/24. 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 11/1012:50 pm -
1 stop8h 10m
Thu 11/125:50 am -
1 stop5h 25m
Deal found 10/24![Southwest logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 1/157:50 pm -
1 stop19h 56m
Mon 1/186:26 pm -
Nonstop2h 43m
Deal found 10/20![Alaska Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2412:39 pm -
1 stop7h 00m
Fri 1/297:15 am -
2 stops10h 56m
Deal found 10/22![United Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 10/25. 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.
Sat 1/96:25 am -
1 stop5h 54m
Tue 1/1212:22 pm -
1 stop6h 59m
Deal found 10/25![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1811:00 am -
1 stop4h 13m
Sun 3/217:30 am -
2 stops10h 57m
Deal found 10/24![United Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 10/20. 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.
Thu 11/57:00 pm -
1 stop3h 50m
Tue 11/1010:15 am -
1 stop3h 45m
Deal found 10/20![Southwest logo]()
$285
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:45 am -
1 stop4h 47m
Fri 1/17:00 am -
1 stop7h 11m
Deal found 10/23![United Airlines logo]()
$379
Last-minute flights from San Diego to ColoradoDiscover last-minute flight deals from San Diego to Colorado. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Colorado. Data last updated October 25, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 10/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:20 pm -
1 stop21h 05m
Thu 11/1210:29 pm -
Nonstop2h 28m
Deal found 10/21![Frontier logo]()
$129
This Cheapflightsfares deal was found by Cheapflights users on 10/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:53 pm -
Nonstop2h 32m
Sun 11/1510:29 pm -
Nonstop2h 28m
Deal found 10/24![Frontier logo]()
$117
This Southwest deal was found by Cheapflights users on 10/23. 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.
Wed 11/1112:35 pm -
2 stops8h 10m
Mon 11/164:15 pm -
1 stop6h 40m
Deal found 10/23![Southwest logo]()
$192
This deal was found by Cheapflights users on 10/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:52 pm -
Nonstop2h 32m
Tue 11/248:50 am -
1 stop4h 17m
Deal found 10/22![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/164:52 pm -
Nonstop2h 32m
Sat 11/2110:29 pm -
Nonstop2h 28m
Deal found 10/21![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/186:25 am -
Nonstop2h 34m
Mon 11/303:04 pm -
Nonstop2h 30m
Deal found 10/21![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:25 am -
Nonstop2h 34m
Wed 11/2510:29 pm -
Nonstop2h 28m
Deal found 10/20![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/194:53 pm -
Nonstop2h 32m
Mon 11/3010:29 pm -
Nonstop2h 28m
Deal found 10/23![Frontier logo]()
$119
This deal was found by Cheapflights users on 10/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:53 pm -
Nonstop2h 32m
Fri 11/208:50 am -
1 stop4h 17m
Deal found 10/23![Frontier logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:53 pm -
Nonstop2h 32m
Sun 11/2210:29 pm -
Nonstop2h 28m
Deal found 10/20![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/215:29 pm -
Nonstop2h 31m
Mon 11/2310:29 pm -
Nonstop2h 28m
Deal found 10/21![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/306:30 am -
Nonstop2h 34m
Mon 12/78:49 am -
Nonstop2h 30m
Deal found 10/24![Frontier logo]()
$128
One-way flights from San Diego to ColoradoSearch for one-way flight options from San Diego to Colorado. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from San Diego to Colorado. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Super.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:50 am -
1 stop26h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$85
This Booking.com deal was found by Cheapflights users on 10/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:26 am -
1 stop5h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/221:02 pm -
1 stop19h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$88
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:35 pm -
1 stop4h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![American Airlines logo]()
$89
This Southwest deal was found by Cheapflights users on 10/24. 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 12/83:40 pm -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Southwest logo]()
$89
This CheapOair deal was found by Cheapflights users on 10/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:25 am -
Nonstop2h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$90
This Super.com deal was found by Cheapflights users on 10/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:25 am -
Nonstop2h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:56 am -
1 stop9h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$93
This Frontier deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/225:26 pm -
Nonstop2h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/308:50 am -
1 stop28h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 12/212:32 pm -
1 stop22h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$96
This Mytrip deal was found by Cheapflights users on 10/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:38 pm -
2 stops26h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$96
Find flight deals from San Diego to Colorado
Keep the following information in mind while searching for San Diego to Colorado flight deals. Data was last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $116 (Priceline) |
One-way from | $85 (Jetabroad) |
Popular in | June |
Cheapest in | February |
Average price | $210 |
Good round-trip deal | $237 or less |
Good one-way deal | $171 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from San Diego to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoColorado Springs
SAN San Diego - COS Colorado Springs
SANCOS
San Diego
Tue 12/8
3:40 pm-8:50 pm
1 stop4h 10m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$89
San DiegoGrand Junction
SAN San Diego - GJT Grand Junction Regnl
SANGJT
San Diego
Wed 12/2
12:32 pm-12:00 pm
1 stop22h 28m
Grand Junction Regnl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$96
San DiegoColorado Springs
SAN San Diego - COS Colorado Springs
SANCOS
San Diego
Fri 12/4
3:40 pm-8:50 pm
1 stop4h 10m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$99
San DiegoColorado Springs
SAN San Diego - COS Colorado Springs
SANCOS
San Diego
Sun 12/20
7:15 pm-12:45 am
1 stop4h 30m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$99
San DiegoColorado Springs
SAN San Diego - COS Colorado Springs
SANCOS
San Diego
Sun 12/20
2:45 pm-11:58 pm
2 stops8h 13m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$104
San DiegoColorado Springs
SAN San Diego - COS Colorado Springs
SANCOS
San Diego
Sat 12/5
6:50 am-5:15 pm
2 stops9h 25m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$104
San DiegoHayden
SAN San Diego - HDN Hayden Yampa Valley
SANHDN
San Diego
Tue 12/8
12:35 pm-7:15 pm
1 stop5h 40m
Hayden Yampa Valley
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$107
San DiegoDenver
SAN San Diego - DEN Denver Intl
SANDEN
San Diego
Thu 12/17
8:00 pm-11:25 pm
Nonstop2h 25m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$107
San DiegoColorado Springs
SAN San Diego - COS Colorado Springs
SANCOS
San Diego
Sun 2/14
9:45 am-5:14 pm
1 stop6h 29m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
San DiegoDenver
SAN San Diego - DEN Denver Intl
SANDEN
San Diego
Fri 3/26
6:30 pm-10:00 pm
Nonstop2h 30m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Diego to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from San Diego with our price prediction graph.
SAN-DEN
SAN-COS
SAN-GJT
SAN-EGE
SAN-HDN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Diego to Colorado
SAN-USCO
SAN-DEN
SAN-COS
SAN-GJT
SAN-EGE
What is the cheapest month to book a flight from San Diego to Colorado?
Currently, February is the cheapest month in which you can book a flight from San Diego to Colorado (average of $156). Flying from San Diego to Colorado in June is currently the most expensive (average of $304). 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 SAN to CO?
Find hourly flight availability from San Diego 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 October 25, 2026.
When flying from San Diego to Colorado, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 43% versus a flight at noon.
How much does it cost to fly round-trip from San Diego to Colorado?
Airfare is below average for this route at the moment.
San Diego to Colorado flights typically cost between $151 and $307 in December.The cheapest round-trip price found within the last 5 days was $116 on Frontier (Dec 4-Dec 5).
How far ahead should I book a flight from San Diego to Colorado?
To ensure you get the cheapest price possible for a flight from San Diego to Colorado, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from San Diego to Colorado?
Use this chart to determine the cheapest time to fly round-trip from San Diego to Colorado. Price data was last updated on October 17, 2026.
Travelers seeking maximum savings on their San Diego to Colorado flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 October 25, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andUnited Airlines from San Diego to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Related info for your journey
Find useful and relevant information for your journey from San Diego to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for San Diego to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Colorado by cabin class
Find flights from San Diego to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Colorado flights
Browse other San Diego and Colorado flight options. Last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Diego to Colorado flights
Consider these flights traveling from San Diego to Colorado.
Top 5 airlines flying from San Diego to Colorado
Discover the top 5 airlines that operate flights from San Diego 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$47 | Average$150 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$309 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$398 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$121 | Average$386 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$243 | Average$451 | FlexibilityNo cancel fee | On-time71% |