SAN

$44 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 2/16. 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: $153
Frontier
Thu 1/29Thu 2/5
DEN - SAN • Non-stop
Cheapest one-way
$44
Typical prices: $81-$227
Frontier
Mon 2/16
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, Jan 29 - Thu, Feb 5
Frontier Logo
10:29 pm - 12:08 am
DEN
-
SAN
2h 39mnonstop
Frontier Logo
11:49 am - 3:18 pm
SAN
-
DEN
2h 29mnonstop
$56Frontier
Fri, Jan 16 - Mon, Jan 19
Frontier Logo
10:36 pm - 12:15 am
DEN
-
SAN
2h 39mnonstop
Frontier Logo
6:25 am - 10:00 am
SAN
-
DEN
2h 35mnonstop
$57Frontier
Sun, Jan 18 - Sat, Jan 24
Multiple Airlines Logo
3:07 pm - 10:13 am
COS
-
SAN
20h 06m1 stop
Multiple Airlines Logo
10:34 am - 2:17 pm
SAN
-
COS
26h 43m2 stops
$196Multiple Airlines
Wed, Jan 7 - Sat, Jan 10
United Airlines Logo
6:10 pm - 10:37 pm
GJT
-
SAN
5h 27m1 stop
United Airlines Logo
1:00 pm - 8:18 pm
SAN
-
GJT
6h 18m1 stop
$197United Airlines
Sun, Jan 11 - Sun, Jan 18
Multiple Airlines Logo
3:07 pm - 9:57 am
COS
-
SAN
19h 50m1 stop
Multiple Airlines Logo
9:16 am - 1:06 pm
SAN
-
COS
26h 50m2 stops
$198Multiple Airlines
Fri, Jan 23 - Mon, Jan 26
United Airlines Logo
3:32 pm - 10:37 pm
DRO
-
SAN
8h 05m1 stop
United Airlines Logo
6:30 am - 12:36 pm
SAN
-
DRO
5h 06m1 stop
$200United Airlines
Tue, Jan 6 - Mon, Jan 12
Delta Logo
1:12 pm - 6:53 pm
EGE
-
SAN
6h 41m1 stop
Delta Logo
6:35 am - 12:29 pm
SAN
-
EGE
4h 54m1 stop
$229Delta
Wed, Dec 31 - Sun, Jan 4
American Airlines Logo
3:50 pm - 7:12 pm
EGE
-
SAN
4h 22m1 stop
American Airlines Logo
9:50 am - 3:16 pm
SAN
-
EGE
4h 26m1 stop
$269American Airlines
Wed, Feb 25 - Sun, Mar 1
Delta Logo
12:55 pm - 6:45 pm
EGE
-
SAN
6h 50m1 stop
Delta Logo
6:20 am - 12:15 pm
SAN
-
EGE
4h 55m1 stop
$284Delta
Wed, Mar 4 - Fri, Mar 6
American Airlines Logo
6:00 am - 2:08 pm
COS
-
SAN
9h 08m1 stop
American Airlines Logo
3:38 pm - 11:53 pm
SAN
-
COS
7h 15m1 stop
$301American Airlines
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$44
Best time to beat the crowds with an average 12% 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
Lemon Grove
National City
Borrego Springs
Poway
Alpine
Santee

Everything you need to know for your flight to San Diego

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