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.

$48 CHEAP FLIGHTS from Colorado to San Diego

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Flight Deals

Cheap Flights from Colorado to San Diego

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Colorado to San Diego

Thu, Oct 29 - Mon, Nov 2

10:29 pm - 11:57 pmDEN Denver Intl-SAN San Diego

2h 28mnonstop

6:25 am - 9:59 amSAN San Diego-DEN Denver Intl

2h 34mnonstop

$99Frontier

Fri, Nov 6 - Tue, Nov 10

10:29 pm - 11:57 pmDEN Denver Intl-SAN San Diego

2h 28mnonstop

6:25 am - 9:59 amSAN San Diego-DEN Denver Intl

2h 34mnonstop

$104Frontier

Sat, Nov 7 - Sat, Nov 7

2:28 pm - 3:58 pmDEN Denver Intl-SAN San Diego

2h 30mnonstop

7:14 pm - 10:50 pmSAN San Diego-DEN Denver Intl

2h 36mnonstop

$153Multiple Airlines

Tue, Oct 20 - Sat, Oct 24

9:45 am - 11:26 amDEN Denver Intl-SAN San Diego

2h 41mnonstop

4:53 pm - 8:24 pmSAN San Diego-DEN Denver Intl

2h 31mnonstop

$153Multiple Airlines

Tue, Nov 10 - Thu, Nov 12

10:15 am - 1:00 pmCOS Colorado Springs-SAN San Diego

3h 45m1 stop Phoenix Sky Harbor Intl

4:40 pm - 8:00 pmSAN San Diego-COS Colorado Springs

2h 20mnonstop

$163Southwest

Sat, Oct 24 - Thu, Oct 29

5:40 pm - 9:15 pmCOS Colorado Springs-SAN San Diego

4h 35m1 stop Denver Intl

4:20 pm - 7:30 pmSAN San Diego-COS Colorado Springs

2h 10mnonstop

$167Southwest

Tue, Feb 23 - Sat, Feb 27

7:04 pm - 8:27 pmDEN Denver Intl-SAN San Diego

2h 23mnonstop

3:15 pm - 6:33 pmSAN San Diego-DEN Denver Intl

2h 18mnonstop

$197Alaska Airlines

Sat, Dec 5 - Wed, Dec 9

12:49 pm - 2:15 pmDEN Denver Intl-SAN San Diego

2h 26mnonstop

8:29 pm - 11:51 pmSAN San Diego-DEN Denver Intl

2h 22mnonstop

$197Alaska Airlines

Sat, Jan 16 - Sat, Jan 23

1:25 pm - 2:53 pmDEN Denver Intl-SAN San Diego

2h 28mnonstop

6:30 pm - 10:00 pmSAN San Diego-DEN Denver Intl

2h 30mnonstop

$197United Airlines

Wed, Dec 23 - Tue, Dec 29

7:40 am - 9:14 amDEN Denver Intl-SAN San Diego

2h 34mnonstop

7:10 pm - 10:40 pmSAN San Diego-DEN Denver Intl

2h 30mnonstop

$197United Airlines

Recent last minute flight deals from Colorado to San Diego

Sat, Sep 19 - Tue, Oct 6

10:29 pm - 11:51 pmDEN Denver Intl-SAN San Diego

2h 22mnonstop

6:25 am - 9:59 amSAN San Diego-DEN Denver Intl

2h 34mnonstop

$242Frontier

Sat, Sep 19 - Tue, Oct 6

7:00 am - 12:53 pmDEN Denver Intl-SAN San Diego

6h 53m1 stop Phoenix Sky Harbor Intl

6:25 am - 9:59 amSAN San Diego-DEN Denver Intl

2h 34mnonstop

$253Frontier

Wed, Sep 16 - Tue, Oct 27

6:11 pm - 11:51 pmCOS Colorado Springs-SAN San Diego

6h 40m1 stop Salt Lake City

5:01 pm - 10:22 pmSAN San Diego-COS Colorado Springs

4h 21m1 stop Salt Lake City

$333Delta

Tue, Sep 15 - Tue, Oct 27

8:15 am - 12:30 pmCOS Colorado Springs-SAN San Diego

5h 15m1 stop Salt Lake City

5:01 pm - 10:22 pmSAN San Diego-COS Colorado Springs

4h 21m1 stop Salt Lake City

$333Delta

Wed, Sep 16 - Fri, Oct 30

6:55 am - 1:00 pmCOS Colorado Springs-SAN San Diego

7h 05m1 stop Phoenix Sky Harbor Intl

4:20 pm - 7:30 pmSAN San Diego-COS Colorado Springs

2h 10mnonstop

$347Southwest

Wed, Sep 16 - Fri, Oct 30

4:15 pm - 8:35 pmCOS Colorado Springs-SAN San Diego

5h 20m1 stop Denver Intl

4:25 pm - 12:15 amSAN San Diego-COS Colorado Springs

6h 50m1 stop Las Vegas Harry Reid Intl

$357Southwest

Wed, Sep 16 - Fri, Oct 30

5:30 am - 9:05 amCOS Colorado Springs-SAN San Diego

4h 35m1 stop Denver Intl

2:30 pm - 10:03 pmSAN San Diego-COS Colorado Springs

6h 33m2 stops Los Angeles Denver Intl

$362United Airlines

Wed, Sep 16 - Mon, Sep 21

10:55 am - 5:47 pmGJT Grand Junction Regnl-SAN San Diego

7h 52m1 stop Dallas/Fort Worth

6:20 am - 11:27 amSAN San Diego-GJT Grand Junction Regnl

4h 07m1 stop Phoenix Sky Harbor Intl

$381American Airlines

Wed, Sep 16 - Mon, Sep 21

5:30 am - 11:35 amGJT Grand Junction Regnl-SAN San Diego

7h 05m2 stops Denver Intl Los Angeles

4:11 pm - 9:58 pmSAN San Diego-GJT Grand Junction Regnl

4h 47m1 stop Denver Intl

$393United Airlines

Thu, Sep 17 - Sat, Sep 19

12:01 pm - 3:22 pmGJT Grand Junction Regnl-SAN San Diego

4h 21m1 stop Phoenix Sky Harbor Intl

6:20 am - 11:27 amSAN San Diego-GJT Grand Junction Regnl

4h 07m1 stop Phoenix Sky Harbor Intl

$393American Airlines

Useful Info

Low season	January
High season	March
Cheapest flight	$48

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly with an average 5% increase in price.

Flight from Denver 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.