SAN

$39 Find Cheap Flights from Colorado to San Diego

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Diego departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$56
Overall average: $187
Frontier
Thu 4/16Mon 4/20
DEN - SAN • Non-stop
Cheapest non-stop
$56
Typical prices: $131-$271
Frontier
Thu 4/16Fri 4/17
DEN - SAN • Non-stop
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We hope you love your trip to San Diego!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Colorado to San Diego

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Colorado to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Colorado to San Diego

Thu, Apr 16 - Mon, Apr 20
Frontier Logo
7:00 am - 8:34 am
DEN
-
SAN
2h 34mnonstop
Frontier Logo
6:25 am - 10:05 am
SAN
-
DEN
2h 40mnonstop
$56Frontier
Sun, Mar 22 - Wed, Mar 25
Frontier Logo
10:29 pm - 12:08 am
DEN
-
SAN
2h 39mnonstop
Frontier Logo
6:25 am - 10:00 am
SAN
-
DEN
2h 35mnonstop
$57Frontier
Tue, Apr 28 - Tue, May 12
Southwest Logo
9:10 am - 12:10 pm
COS
-
SAN
4h 00m
1 stop
Southwest Logo
6:45 am - 1:50 pm
SAN
-
COS
6h 05m
1 stop
$177Southwest
Tue, Apr 28 - Mon, May 11
Southwest Logo
12:40 pm - 6:15 pm
COS
-
SAN
6h 35m
2 stops
Southwest Logo
6:50 pm - 11:50 pm
SAN
-
COS
4h 00m
1 stop
$182Southwest
Thu, Feb 26 - Sun, Mar 1
Multiple Airlines Logo
8:30 am - 5:51 pm
COS
-
SAN
10h 21m
1 stop
Multiple Airlines Logo
2:52 pm - 5:26 pm
SAN
-
COS
25h 34m
2 stops
$189Multiple Airlines
Wed, Feb 25 - Sat, Feb 28
American Airlines Logo
11:37 am - 4:00 pm
DRO
-
SAN
5h 23m
1 stop
American Airlines Logo
6:24 am - 11:07 am
SAN
-
DRO
3h 43m
1 stop
$200American Airlines
Mon, Apr 13 - Thu, Apr 16
United Airlines Logo
1:33 pm - 8:12 pm
COS
-
SAN
7h 39m
2 stops
United Airlines Logo
8:45 am - 2:30 pm
SAN
-
COS
4h 45m
1 stop
$202United Airlines
Sat, Feb 14 - Wed, Feb 18
American Airlines Logo
4:46 pm - 10:30 pm
GJT
-
SAN
6h 44m
1 stop
American Airlines Logo
4:45 pm - 9:23 pm
SAN
-
GJT
3h 38m
1 stop
$211American Airlines
Sat, Mar 21 - Wed, Mar 25
United Airlines Logo
2:10 pm - 7:48 pm
MTJ
-
SAN
6h 38m
1 stop
United Airlines Logo
6:30 am - 12:32 pm
SAN
-
MTJ
5h 02m
1 stop
$211United Airlines
Thu, Apr 2 - Mon, Apr 6
Multiple Airlines Logo
12:52 pm - 8:07 pm
GJT
-
SAN
8h 15m
1 stop
Multiple Airlines Logo
8:54 pm - 12:07 pm
SAN
-
GJT
14h 13m
1 stop
$236Multiple Airlines
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$39
Best time to beat the crowds with an average 10% drop in price.
Flight from Denver to San Diego

FAQs for booking flights from Colorado to San Diego

  • How does KAYAK find such low prices on flights from Colorado to San Diego?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to San Diego.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to San Diego?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado to San Diego?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Colorado with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to San Diego?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Julian
National City
Borrego Springs
Poway
Lemon Grove
Alpine
Santee

Everything you need to know for your flight to San Diego

Information on the airport you'll fly into in San Diego