$63+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — DEN
Apr 22 — Apr 291
1 adult, Economy
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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 April 17, 2025.
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $136 (Cheapflightsfares) |
One-way from | $63 (Cheapflightsfares) |
Popular in | March |
Cheapest in | January |
Average price | $177 |
Good round-trip deal | $188 or less |
Good one-way deal | $127 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 April 17, 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 April 17, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/146:25 amSAN - DEN
Nonstop2h 31mFrontier
Sat 5/1710:52 amDEN - SAN
Nonstop2h 31mFrontier
Deal found 4/16![Frontier logo]()
$136
This Expedia deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1410:52 amSAN - DEN
1 stop9h 23mMultiple Airlines
Sat 5/173:38 pmDEN - SAN
Nonstop2h 32mMultiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$182
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/1011:05 amSAN - DEN
1 stop4h 55mSouthwest
Sun 5/117:00 amDEN - SAN
Nonstop2h 25mSouthwest
Deal found 4/16![Southwest logo]()
$203
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
Thu 5/86:20 amSAN - DEN
1 stop4h 50mAmerican Airlines
Sat 5/1711:16 amDEN - SAN
1 stop5h 25mAmerican Airlines
Deal found 4/17![American Airlines logo]()
$208
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/186:15 amSAN - DEN
1 stop4h 49mDelta
Tue 5/203:35 pmDEN - SAN
1 stop4h 10mDelta
Deal found 4/17![Delta logo]()
$217
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
Thu 5/297:29 amSAN - COS
1 stop7h 23mAmerican Airlines
Wed 6/44:43 pmCOS - SAN
1 stop6h 10mAmerican Airlines
Deal found 4/17![American Airlines logo]()
$244
This Alaska Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:15 amSAN - DEN
2 stops16h 44mAlaska Airlines
Tue 5/206:00 amDEN - SAN
1 stop9h 30mAlaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/135:02 pmSAN - GJT
1 stop4h 31mDelta
Tue 5/206:05 amGJT - SAN
1 stop3h 37mDelta
Deal found 4/17![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 9/1711:20 amSAN - DEN
Nonstop2h 13mUnited Airlines
Sat 9/207:10 pmDEN - SAN
Nonstop2h 28mUnited Airlines
Deal found 4/17![United Airlines logo]()
$265
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 6/57:00 amSAN - GUC
1 stop6h 37mUnited Airlines
Mon 6/93:18 pmGUC - SAN
1 stop6h 56mUnited Airlines
Deal found 4/16![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/27:10 amSAN - HDN
1 stop4h 31mUnited Airlines
Tue 5/61:45 pmHDN - SAN
1 stop4h 42mUnited Airlines
Deal found 4/17![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/134:31 pmSAN - DRO
1 stop4h 43mAmerican Airlines
Sat 5/174:34 pmDRO - SAN
1 stop8h 09mAmerican Airlines
Deal found 4/17![American Airlines logo]()
$278
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 April 17, 2025.
Use the filters below to find and compare flights from San Diego to Colorado that are best for you.
Fly from
San Diego
Fly to
Colorado
Route
Depart
Return
Price
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Wed 5/14
6:25 am-9:56 am
Nonstop2h 31m
Denver Intl
Sat 5/17
10:52 am-12:23 pm
Nonstop2h 31m
$136
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Wed 5/14
10:52 am-9:15 pm
1 stop9h 23m
Denver Intl
Sat 5/17
3:38 pm-5:10 pm
Nonstop2h 32m
$182
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Sat 5/10
11:05 am-5:00 pm
1 stop4h 55m
Denver Intl
Sun 5/11
7:00 am-8:25 am
Nonstop2h 25m
$203
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Thu 5/8
6:20 am-12:10 pm
1 stop4h 50m
Denver Intl
Sat 5/17
11:16 am-3:41 pm
1 stop5h 25m
$208
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Sun 5/18
6:15 am-12:04 pm
1 stop4h 49m
Denver Intl
Tue 5/20
3:35 pm-6:45 pm
1 stop4h 10m
$217
San DiegoColorado Springs
SAN - COS
SANCOS
San Diego
Thu 5/29
7:29 am-3:52 pm
1 stop7h 23m
Colorado Springs
Wed 6/4
4:43 pm-9:53 pm
1 stop6h 10m
$244
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Wed 5/14
6:15 am-11:59 pm
2 stops16h 44m
Denver Intl
Tue 5/20
6:00 am-2:30 pm
1 stop9h 30m
$252
San DiegoGrand Junction
SAN - GJT
SANGJT
San Diego
Tue 5/13
5:02 pm-10:33 pm
1 stop4h 31m
Grand Junction Regnl
Tue 5/20
6:05 am-8:42 am
1 stop3h 37m
$257
San DiegoGunnison
SAN - GUC
SANGUC
San Diego
Thu 6/5
7:00 am-2:37 pm
1 stop6h 37m
Gunnison
Mon 6/9
3:18 pm-9:14 pm
1 stop6h 56m
$269
San DiegoHayden
SAN - HDN
SANHDN
San Diego
Fri 5/2
7:10 am-12:41 pm
1 stop4h 31m
Hayden Yampa Valley
Tue 5/6
1:45 pm-5:27 pm
1 stop4h 42m
$269
Showing 1-10 of 53 results
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.
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
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 April 17, 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 April 17, 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 (4 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 April 17, 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.
Comfort
8.2
Boarding
8.3
Entertainment
6.6
Overall
8.1
Food
6.7
Crew
8.8
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Comfort
8.2
Boarding
8.3
Entertainment
6.6
Overall
8.1
Food
6.7
Crew
8.8
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Comfort
8.2
Boarding
8.3
Entertainment
6.6
Overall
8.1
Food
6.7
Crew
8.8
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Comfort
8.2
Boarding
8.3
Entertainment
6.6
Overall
8.1
Food
6.7
Crew
8.8
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Comfort
8.2
Boarding
8.3
Entertainment
6.6
Overall
8.1
Food
6.7
Crew
8.8
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Comfort
8.2
Boarding
8.3
Entertainment
6.6
Overall
8.1
Food
6.7
Crew
8.8
Reviews
1 / 11
10.0
ExcellentDena,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 April 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$112 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$165 | Average$468 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$174 | Average$368 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$218 | Average$379 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$420 | FlexibilityNo cancel fee | On-time75% |