$78+ Cheap flights from San Diego (SAN) 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
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
Keep the following information in mind while searching for San Diego to Colorado flight deals. Data was last updated June 12, 2025.
Round-trip from | $127 (Cheapflightsfares) |
|---|---|
One-way from | $79 (United Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $235 |
Good round-trip deal | $207 or less |
Good one-way deal | $116 or less |
Find flight deals from San Diego to Colorado
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 June 12, 2025.
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 June 12, 2025.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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.
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.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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.
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.
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 2,558,603 searches. Data last updated June 12, 2025.
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
Price
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Wed 7/9
6:25 am-10:02 am
Nonstop2h 37m
Denver Intl
Wed 7/16
9:44 am-11:10 am
Nonstop2h 26m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Tue 9/23
8:15 am-2:27 pm
1 stop5h 12m
Denver Intl
Sat 9/27
3:07 pm-7:24 pm
1 stop5h 17m
San DiegoDurango
SAN - DRO
SANDRO
San Diego
Sat 10/18
5:00 pm-12:10 am
1 stop6h 10m
Durango La Plata County
Tue 10/28
8:09 am-3:48 pm
1 stop8h 39m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Sat 7/26
9:45 am-3:00 pm
1 stop4h 15m
Denver Intl
Tue 8/12
7:21 pm-10:54 pm
1 stop4h 33m
San DiegoGrand Junction
SAN - GJT
SANGJT
San Diego
Wed 12/3
11:20 am-5:00 pm
1 stop4h 40m
Grand Junction Regnl
Tue 12/9
5:30 am-9:17 am
1 stop4h 47m
San DiegoGrand Junction
SAN - GJT
SANGJT
San Diego
Thu 7/10
5:00 pm-10:33 pm
1 stop4h 33m
Grand Junction Regnl
Thu 7/17
6:50 pm-11:42 pm
1 stop5h 52m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Tue 7/29
7:35 pm-11:00 pm
Nonstop2h 25m
Denver Intl
Thu 7/31
5:35 am-9:15 am
1 stop4h 40m
San DiegoAspen
SAN - ASE
SANASE
San Diego
Fri 7/4
10:00 am-5:51 pm
1 stop6h 51m
Aspen Pitkin County
Wed 7/9
12:05 pm-3:19 pm
1 stop4h 14m
San DiegoGrand Junction
SAN - GJT
SANGJT
San Diego
Fri 6/27
6:25 am-11:42 am
1 stop4h 17m
Grand Junction Regnl
Tue 7/1
6:11 am-8:50 am
1 stop3h 39m
San DiegoColorado Springs
SAN - COS
SANCOS
San Diego
Fri 8/1
6:15 am-4:19 pm
2 stops9h 04m
Colorado Springs
Mon 8/4
5:09 pm-5:55 pm
2 stops25h 46m
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.
Cheapflights Insights
Everything you need to know about your flight from San Diego to Colorado
What is the cheapest month to book a flight from San Diego to Colorado?
Currently, October is the cheapest month in which you can book a flight from San Diego to Colorado (average of $197). Flying from San Diego to Colorado in March is currently the most expensive (average of $278). 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 June 12, 2025.
When flying from San Diego to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from San Diego to Colorado
Explore weekly flight availability from San Diego to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.
The most flights from SAN to USCO are scheduled on a Thursday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).
Rainfall in Colorado by month
Plan your trip to Colorado by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.
Temperature in Colorado by month
Plan your trip to Colorado by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).
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 12, 2025.
Peruse reviews from past customers who have flown with Breeze Airways, Alaska Airlines and Southwest from San Diego to Colorado to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Dena,Dec 2024
LAS - BDL
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Dena,Dec 2024
LAS - BDL
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Dena,Dec 2024
LAS - BDL
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Dena,Dec 2024
LAS - BDL
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Dena,Dec 2024
LAS - BDL
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Dena,Dec 2024
LAS - BDL
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
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Alternative routes for San Diego to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Diego to Colorado
Discover the top 6 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 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$117 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$167 | Average$451 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$176 | Average$365 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$177 | Average$361 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$196 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$197 | Average$375 | FlexibilityNo cancel fee | On-time71% |