$99+ Cheap flights from Colorado Springs to San Diego (COS - SAN)
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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
COS — SAN
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from Colorado Springs to San Diego 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.Cheapflights Tip: The best prices from Colorado Springs to San Diego are usually found in September or August, booked 76 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap flight deals from Colorado Springs to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Colorado Springs to San DiegoExplore the most affordable flight options available from Colorado Springs to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
Explore the most affordable flight options available from Colorado Springs to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
This Southwest deal was found by Cheapflights users on 11/9. 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 12/1710:05 am -
Nonstop2h 20m
Sat 12/194:05 pm -
Nonstop2h 20m
Deal found 11/9![Southwest logo]()
$174
This Southwest deal was found by Cheapflights users on 11/9. 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 12/125:55 pm -
1 stop4h 05m
Wed 12/166:15 am -
1 stop4h 00m
Deal found 11/9![Southwest logo]()
$179
This Delta deal was found by Cheapflights users on 11/7. 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 12/126:05 pm -
1 stop5h 40m
Tue 12/159:53 am -
1 stop6h 30m
Deal found 11/7![Delta logo]()
$196
This Delta deal was found by Cheapflights users on 11/7. 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 12/16:05 pm -
1 stop6h 53m
Tue 12/85:11 pm -
1 stop4h 13m
Deal found 11/7![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sat 12/125:45 am -
2 stops6h 30m
Wed 12/166:45 am -
1 stop4h 52m
Deal found 11/9![United Airlines logo]()
$202
This Delta deal was found by Cheapflights users on 11/6. 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 12/36:05 pm -
1 stop6h 53m
Sat 12/51:36 pm -
1 stop7h 48m
Deal found 11/6![Delta logo]()
$203
This Southwest deal was found by Cheapflights users on 11/7. 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 12/811:50 am -
1 stop4h 30m
Fri 12/114:25 pm -
1 stop5h 05m
Deal found 11/7![Southwest logo]()
$204
This Delta deal was found by Cheapflights users on 11/7. 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 12/106:05 pm -
1 stop6h 53m
Thu 12/175:11 pm -
1 stop4h 13m
Deal found 11/7![Delta logo]()
$208
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/35:45 am -
1 stop4h 25m
Mon 12/76:45 am -
1 stop4h 52m
Deal found 11/9![United Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 11/7. 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 12/46:05 pm -
1 stop6h 53m
Sat 12/51:36 pm -
1 stop7h 48m
Deal found 11/7![Delta logo]()
$213
This Delta deal was found by Cheapflights users on 11/7. 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 12/46:05 pm -
1 stop6h 53m
Mon 12/75:11 pm -
1 stop4h 13m
Deal found 11/7![Delta logo]()
$219
Best flights from Colorado Springs to San DiegoDiscover carefully curated flight deals from Colorado Springs to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from Colorado Springs to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This Southwest deal was found by Cheapflights users on 11/9. 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 12/218:25 pm -
1 stop4h 00m
Thu 12/241:50 pm -
1 stop6h 55m
Deal found 11/9![Southwest logo]()
$209
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/35:45 am -
2 stops6h 30m
Mon 12/76:45 am -
1 stop4h 52m
Deal found 11/9![United Airlines logo]()
$214
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/176:31 pm -
1 stop5h 01m
Tue 12/224:28 pm -
1 stop4h 41m
Deal found 11/8![United Airlines logo]()
$228
This Southwest deal was found by Cheapflights users on 11/9. 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 12/125:55 pm -
1 stop4h 05m
Wed 12/169:20 am -
2 stops5h 15m
Deal found 11/9![Southwest logo]()
$248
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 12/15:45 am -
1 stop4h 25m
Sun 12/66:45 am -
1 stop4h 52m
Deal found 11/6![United Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 11/9. 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 1/45:00 am -
1 stop5h 40m
Sun 1/109:00 am -
1 stop5h 15m
Deal found 11/9![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/65:45 am -
1 stop4h 25m
Sun 12/132:30 pm -
2 stops6h 33m
Deal found 11/5![United Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 11/8. 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 12/1710:05 am -
Nonstop2h 20m
Tue 12/224:10 pm -
Nonstop2h 20m
Deal found 11/8![Southwest logo]()
$348
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Mon 12/145:45 am -
2 stops8h 57m
Wed 12/1612:10 pm -
2 stops8h 53m
Deal found 11/6![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sat 12/51:40 pm -
2 stops9h 47m
Mon 12/71:30 pm -
2 stops7h 33m
Deal found 11/7![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/279:24 am -
1 stop4h 32m
Fri 12/42:30 pm -
2 stops6h 33m
Deal found 11/6![United Airlines logo]()
$337
Last-minute flights from Colorado Springs to San DiegoDiscover last-minute flight deals from Colorado Springs to San Diego. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado Springs to San Diego. Data last updated November 10, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:00 am -
1 stop4h 55m
Sat 11/219:15 pm -
1 stop11h 10m
Deal found 11/6![Southwest logo]()
$455
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/191:20 pm -
1 stop4h 55m
Mon 12/146:45 am -
1 stop4h 52m
Deal found 11/9![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 11/9. 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 11/1911:50 am -
2 stops6h 35m
Mon 12/1412:35 pm -
2 stops8h 10m
Deal found 11/9![Southwest logo]()
$423
This Delta deal was found by Cheapflights users on 11/7. 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 11/196:08 pm -
1 stop6h 45m
Mon 11/239:43 am -
1 stop6h 45m
Deal found 11/7![Delta logo]()
$470
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/2011:14 am -
1 stop7h 01m
Wed 11/256:30 pm -
1 stop4h 29m
Deal found 11/5![United Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 11/9. 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 11/205:50 am -
2 stops6h 10m
Mon 11/234:05 pm -
2 stops6h 45m
Deal found 11/9![Southwest logo]()
$460
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/207:00 am -
1 stop6h 56m
Tue 11/244:18 pm -
1 stop6h 41m
Deal found 11/5![United Airlines logo]()
$481
One-way flights from Colorado Springs to San DiegoSearch for one-way flight options from Colorado Springs to San Diego. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
Search for one-way flight options from Colorado Springs to San Diego. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Delta deal was found by Cheapflights users on 11/10. 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.
Tue 12/16:05 pm -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Delta logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 1/175:59 pm -
1 stop15h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$104
This Delta deal was found by Cheapflights users on 11/6. 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 12/76:05 pm -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Delta logo]()
$105
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Mon 12/75:45 am -
2 stops6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$110
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/278:40 am -
1 stop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$115
This Southwest deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:55 am -
2 stops7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:15 am -
2 stops6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Southwest logo]()
$169
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/256:00 am -
2 stops6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![United Airlines logo]()
$170
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/207:00 am -
1 stop6h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$191
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/266:00 am -
2 stops6h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$196
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Tue 11/245:05 pm -
2 stops8h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![United Airlines logo]()
$213
Find flight deals from Colorado Springs to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Colorado Springs (COS) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $174 (Southwest) |
One-way from | $99 (Delta) |
Popular in | July |
Cheapest in | September |
Average price | $307 |
Good round-trip deal | $278 or less |
Good one-way deal | $153 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado Springs to San Diego 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 November 10, 2026.
Use the filters below to find and compare flights from Colorado Springs to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Colorado SpringsSan Diego
COS Colorado Springs - SAN San Diego
COSSAN
Colorado Springs
Mon 12/7
6:05 pm-11:57 pm
1 stop6h 52m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$105
Colorado SpringsSan Diego
COS Colorado Springs - SAN San Diego
COSSAN
Colorado Springs
Mon 1/25
5:00 pm-9:00 pm
1 stop5h 00m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$105
Colorado SpringsSan Diego
COS Colorado Springs - SAN San Diego
COSSAN
Colorado Springs
Fri 11/27
8:40 am-2:55 pm
1 stop7h 15m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$115
Colorado SpringsSan Diego
COS Colorado Springs - SAN San Diego
COSSAN
Colorado Springs
Sun 1/17
6:55 am-1:05 pm
2 stops7h 10m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
Colorado SpringsSan Diego
COS Colorado Springs - SAN San Diego
COSSAN
Colorado Springs
Tue 12/1
10:15 am-3:25 pm
2 stops6h 10m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
Colorado SpringsSan Diego
COS Colorado Springs - SAN San Diego
COSSAN
Colorado Springs
Fri 12/25
6:00 am-11:35 am
2 stops6h 35m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
Colorado SpringsSan Diego
COS Colorado Springs - SAN San Diego
COSSAN
Colorado Springs
Fri 11/20
7:00 am-12:56 pm
1 stop6h 56m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$191
Colorado SpringsSan Diego
COS Colorado Springs - SAN San Diego
COSSAN
Colorado Springs
Wed 11/25
6:00 am-11:31 am
2 stops6h 31m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$196
Colorado SpringsSan Diego
COS Colorado Springs - SAN San Diego
COSSAN
Colorado Springs
Mon 12/21
8:25 pm-11:25 pm
1 stop4h 00m
San Diego
Thu 12/24
1:50 pm-9:45 pm
1 stop6h 55m
$209
Colorado SpringsSan Diego
COS Colorado Springs - SAN San Diego
COSSAN
Colorado Springs
Thu 12/3
5:45 am-11:15 am
2 stops6h 30m
San Diego
Mon 12/7
6:45 am-12:37 pm
1 stop4h 52m
$214
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Colorado Springs to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Colorado Springs to San Diego in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Colorado Springs-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Colorado Springs-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Colorado Springs-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Colorado Springs-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Colorado Springs-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Colorado Springs to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Colorado Springs with our price prediction graph.
COS-SAN
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 Colorado Springs to San Diego
Prices
More
How far ahead should I book a flight from Colorado Springs to San Diego?
To ensure you get the cheapest price possible for a flight from Colorado Springs to San Diego, you should look to book at least 75 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 month to book a flight from Colorado Springs to San Diego?
Currently, September is the cheapest month in which you can book a flight from Colorado Springs to San Diego (average of $257). Flying from Colorado Springs to San Diego in July is currently the most expensive (average of $383). 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 COS to SAN?
Find hourly flight availability from Colorado Springs to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado Springs to San Diego as you normally would.
What’s the top layover airport for flights from Colorado Springs to San Diego?
Share of 1-stop round-trip flights from Colorado Springs to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.
Phoenix (PHX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Colorado Springs to San Diego on Cheapflights.
What’s the cheapest layover airport for flights from Colorado Springs to San Diego?
Average round-trip fare for 1-stop flights from Colorado Springs to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $384.
What’s the fastest layover option from Colorado Springs to San Diego?
Shortest average travel time for 1-stop one-way flights from Colorado Springs to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 3h 45m.
Which airport typically offers the quickest layover for flights from Colorado Springs to San Diego?
Average layover duration for 1-stop one-way flights from Colorado Springs to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 0h 45m.
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated November 10, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Colorado Springs to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Colorado Springs to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
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Colorado Springs and San Diego flights
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Top 3 airlines flying from Colorado Springs to San Diego
Discover the top 3 airlines that operate flights from Colorado Springs to San Diego. 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 November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$167 | Average$342 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$186 | Average$284 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$246 | Average$340 | FlexibilityNo cancel fee | On-time69% |