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Cheap flights from Denver to San Diego from $43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to San Diego departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Denver to San Diego

Cheap round-trip flights

These are some of the best round-trip flight deals from Denver to San Diego that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Denver to San Diego.

Cheap last minute flights

Planning a quick getaway from Denver to San Diego? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Diego, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Denver to San Diego

Find recent round-trip train or bus tickets from Denver to San Diego.

All round-trip flight deals to San Diego

The cheapest plane tickets to San Diego found on KAYAK recently.
10:15 pm - 11:49 pmDEN-SAN
2h 34mnonstop
6:25 am - 9:56 amSAN-DEN
2h 31mnonstop
$56Frontier
Find Deal
Wed, Dec 4 - Tue, Dec 10
10:15 pm - 11:49 pmDEN-SAN
2h 34mnonstop
6:25 am - 9:56 amSAN-DEN
2h 31mnonstop
$57Frontier
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Sat, Dec 7 - Tue, Dec 10
10:15 pm - 11:49 pmDEN-SAN
2h 34mnonstop
3:58 pm - 7:24 pmSAN-DEN
2h 26mnonstop
$61Frontier
Find Deal
Wed, Dec 11 - Sat, Dec 14
10:15 pm - 11:49 pmDEN-SAN
2h 34mnonstop
6:25 am - 9:56 amSAN-DEN
2h 31mnonstop
$62Frontier
Find Deal
Tue, Dec 3 - Sat, Dec 7
6:47 pm - 9:43 pmDEN-SAN
3h 56m1 stop
8:00 am - 3:20 pmSAN-DEN
6h 20m1 stop
$158American Airlines
Find Deal
Mon, Nov 25 - Thu, Nov 28
7:15 am - 12:30 pmDEN-SAN
6h 15m1 stop
6:30 am - 11:41 amSAN-DEN
4h 11m1 stop
$178American Airlines
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Tue, Dec 3 - Sat, Dec 7
5:29 am - 9:00 amDEN-SAN
4h 31m1 stop
7:30 am - 11:31 pmSAN-DEN
15h 01m1 stop
$207Delta
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Sun, Nov 24 - Wed, Dec 4
6:20 am - 10:15 amDEN-SAN
4h 55m1 stop
6:40 am - 1:30 pmSAN-DEN
5h 50m1 stop
$216Delta
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Thu, Nov 28 - Wed, Dec 4
7:55 pm - 9:20 pmDEN-SAN
2h 25mnonstop
8:40 am - 4:40 pmSAN-DEN
7h 00m2 stops
$227Southwest
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Mon, Nov 25 - Tue, Dec 10
6:00 am - 9:48 amDEN-SAN
4h 48m1 stop
7:00 am - 10:28 amSAN-DEN
2h 28mnonstop
$231United Airlines
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Sun, Nov 24 - Tue, Dec 3
10:15 pm - 11:52 pmDEN-SAN
2h 37mnonstop
$43Frontier
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Thu, Jan 9
8:45 am - 10:22 amDEN-SAN
2h 37mnonstop
$44Frontier
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Wed, Jan 1
6:47 pm - 9:43 pmDEN-SAN
3h 56m1 stop
$79American Airlines
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Sat, Nov 23
6:00 am - 10:15 amDEN-SAN
5h 15m1 stop
$88United Airlines
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Tue, Feb 18
7:15 am - 12:30 pmDEN-SAN
6h 15m1 stop
$99American Airlines
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Tue, Dec 3
7:45 pm - 11:58 pmDEN-SAN
5h 13m1 stop
$105United Airlines
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Sun, Nov 24
5:29 am - 9:00 amDEN-SAN
4h 31m1 stop
$117Delta
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Mon, Nov 11
12:45 pm - 7:10 pmDEN-SAN
7h 25m2 stops
$149Southwest
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Sat, Jan 11
5:45 am - 10:00 amDEN-SAN
5h 15m1 stop
$163Southwest
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Mon, Dec 30
6:20 am - 10:15 amDEN-SAN
4h 55m1 stop
$283Delta
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Sun, Dec 1
5:38 am - 7:04 amDEN-SAN
2h 26mnonstop
6:25 am - 9:59 amSAN-DEN
2h 34mnonstop
$123Frontier
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Sun, Nov 3 - Sun, Nov 10
5:35 am - 7:01 amDEN-SAN
2h 26mnonstop
12:41 pm - 4:13 pmSAN-DEN
2h 32mnonstop
$139Frontier
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Mon, Nov 4 - Wed, Nov 6
5:35 am - 7:01 amDEN-SAN
2h 26mnonstop
5:35 pm - 10:58 amSAN-DEN
16h 23m1 stop
Fri, Nov 1 - Sun, Nov 3
12:15 pm - 4:25 pmDEN-SAN
5h 10m1 stop
9:19 pm - 1:10 pmSAN-DEN
14h 51m2 stops
Sat, Nov 2 - Mon, Nov 4
3:45 pm - 11:22 pmDEN-SAN
8h 37m2 stops
6:20 am - 1:10 pmSAN-DEN
5h 50m1 stop
$524Alaska Airlines
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Mon, Nov 4 - Wed, Nov 6
3:45 pm - 8:20 amDEN-SAN
17h 35m2 stops
1:26 pm - 10:13 pmSAN-DEN
7h 47m1 stop
$531Alaska Airlines
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Mon, Nov 4 - Sat, Nov 9
6:01 am - 12:27 pmDEN-SAN
7h 26m1 stop
7:05 am - 10:33 amSAN-DEN
2h 28mnonstop
$562United Airlines
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Mon, Nov 4 - Tue, Nov 5
4:10 pm - 7:53 pmDEN-SAN
4h 43m1 stop
6:15 am - 12:22 pmSAN-DEN
5h 07m1 stop
$571United Airlines
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Sat, Nov 2 - Wed, Nov 6
6:35 pm - 10:49 pmDEN-SAN
5h 14m1 stop
6:25 am - 12:08 pmSAN-DEN
4h 43m1 stop
$592Delta
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Sat, Nov 2 - Tue, Nov 5
1:05 pm - 5:55 pmDEN-SAN
5h 50m1 stop
6:35 am - 12:36 pmSAN-DEN
5h 01m1 stop
$672Delta
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Thu, Oct 31 - Thu, Nov 7
10:30 pm - 11:56 pmDEN-SAN
2h 26mnonstop
6:25 am - 9:59 amSAN-DEN
2h 34mnonstop
$78Frontier
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Mon, Nov 18 - Thu, Nov 21
10:30 pm - 11:56 pmDEN-SAN
2h 26mnonstop
3:38 pm - 7:04 pmSAN-DEN
2h 26mnonstop
$79Frontier
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Thu, Nov 28 - Thu, Dec 5
6:00 am - 7:33 amDEN-SAN
2h 33mnonstop
1:48 pm - 5:18 pmSAN-DEN
2h 30mnonstop
$80Frontier
Find Deal
Sun, Nov 24 - Wed, Dec 4
6:05 am - 7:38 amDEN-SAN
2h 33mnonstop
6:25 am - 9:56 amSAN-DEN
2h 31mnonstop
$81Frontier
Find Deal
Fri, Nov 22 - Tue, Dec 3
10:30 pm - 11:56 pmDEN-SAN
2h 26mnonstop
1:48 pm - 5:18 pmSAN-DEN
2h 30mnonstop
$82Frontier
Find Deal
Mon, Nov 25 - Wed, Dec 4
10:20 pm - 11:54 pmDEN-SAN
2h 34mnonstop
1:48 pm - 5:21 pmSAN-DEN
2h 33mnonstop
$83Frontier
Find Deal
Mon, Jan 6 - Tue, Jan 7
10:30 pm - 11:56 pmDEN-SAN
2h 26mnonstop
5:10 pm - 8:39 pmSAN-DEN
2h 29mnonstop
$84Frontier
Find Deal
Thu, Nov 14 - Sat, Nov 16
10:30 pm - 11:56 pmDEN-SAN
2h 26mnonstop
6:25 am - 9:59 amSAN-DEN
2h 34mnonstop
$85Frontier
Find Deal
Wed, Nov 13 - Sat, Nov 16
7:25 pm - 8:53 pmDEN-SAN
2h 28mnonstop
7:00 am - 10:28 amSAN-DEN
2h 28mnonstop
$192United Airlines
Find Deal
Sat, Dec 7 - Sun, Dec 8
7:18 pm - 8:46 pmDEN-SAN
2h 28mnonstop
7:00 am - 10:28 amSAN-DEN
2h 28mnonstop
$249United Airlines
Find Deal
Fri, Nov 29 - Tue, Dec 3

Frontier flights from Denver to San Diego

Our best Frontier deals on Denver to San Diego flight tickets
Frontier
Dec 4
DEN10:15 pmDenver Intl
2h 34m
SAN11:49 pmSan Diego
Dec 10
SAN6:25 amSan Diego
2h 31m
DEN9:56 amDenver Intl
Frontier
Dec 7
DEN10:15 pmDenver Intl
2h 34m
SAN11:49 pmSan Diego
Dec 10
SAN6:25 amSan Diego
2h 31m
DEN9:56 amDenver Intl
Frontier
Dec 11
DEN10:15 pmDenver Intl
2h 34m
SAN11:49 pmSan Diego
Dec 14
SAN3:58 pmSan Diego
2h 26m
DEN7:24 pmDenver Intl

American Airlines flights from Denver to San Diego

Our best American Airlines deals on Denver to San Diego flight tickets
American Airlines
Nov 25
DEN6:47 pmDenver Intl
3h 56m
1 stop
SAN9:43 pmSan Diego
Nov 28
SAN8:00 amSan Diego
6h 20m
1 stop
DEN3:20 pmDenver Intl
American Airlines
Dec 3
DEN7:15 amDenver Intl
6h 15m
1 stop
SAN12:30 pmSan Diego
Dec 7
SAN6:30 amSan Diego
4h 11m
1 stop
DEN11:41 amDenver Intl

How to get the cheapest flight ticket from Denver to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Denver and San Diego?

What is the cheapest month to fly from Denver to San Diego?

May. The cheapest time of year to fly to San Diego from Denver is May. Most expensive is March

What is the cheapest day to depart Denver for San Diego?

Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Sunday

When is the cheapest time to fly from Denver to San Diego?

In the afternoon. Denver to San Diego flights are approximately 45% more expensive at noon than in the afternoon

What is the cheapest airline that flies to San Diego from Denver?

Frontier. Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Denver to San Diego

What is the cheapest Denver to San Diego flight route?

Denver Intl - San Diego. Fly from Denver Intl to San Diego for the best Denver - San Diego flight prices

How far in advance should you book Denver to San Diego flights?

29 days before. The cheapest time to buy a flight from Denver to San Diego is approximately 29 days to departure

How many flights depart from Denver to San Diego on average per day?

14 flights are operational weekly from Denver to San Diego as of October 2024. The most popular departure time for this route is 7:00PM, with 38% of flights per day taking off in the evening.

How many flights depart from Denver to San Diego on average per week?

101 flights are operational weekly from Denver to San Diego as of October 2024. The most popular departure day for this route is Wednesday, with 26% of flights per week taking off on this day.

Can stopping save me money on Denver to San Diego flights?

No. A direct flight is the cheapest option for a flight between Denver to San Diego.

How have Denver to San Diego flight prices changed over time?

As of October 2024, prices for Denver to San Diego flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Denver to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to San Diego (DEN to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to San Diego

Best Price Found

$43

Fastest flight time

2h 20m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Denver in the past 72 hours is $43. The best round-trip flight deal from Denver to San Diego found on momondo in the last 72 hours is $56.
The fastest flight from Denver to San Diego takes 2h 20m
Direct flights go from Denver to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

  • How far is Denver Intl to San Diego by plane?

    Denver Intl and San Diego are 832.3 mi apart from one another. By plane, this route typically takes 2h 23m.

  • When did momondo last update prices for flights from Denver Intl Airport to San Diego Airport?

    Prices for flights from Denver Intl Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from Denver Intl Airport to San Diego Airport?

  • How old do you have to be to fly from Denver Intl Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Denver to San Diego?

  • What is the most popular airline from Denver to San Diego?


Best airlines flying from Denver to San Diego

Compare and see reviews for airlines that fly from Denver to San Diego with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $55Free CancellationRating
6.1
3,583 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $80Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $151Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights
SouthwestPriceFrom $168Free CancellationRating
8.1
5,118 reviews
Search Southwest flights
DeltaPriceFrom $196Free CancellationRating
8.0
8,836 reviews
Search Delta flights
American AirlinesPriceFrom $197Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Southwest Flights From Denver to San Diego

    Southwest is one of the most popular airlines flying from Denver to San Diego, operating 32 flights/week on average for this route. A good Southwest flight deal for Denver to San Diego starts from $168 round-trip, up to an average price of $258. Our users have rated Southwest at 8.1/10.

  • United Airlines Flights From Denver to San Diego

    Across 9,240 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Denver to San Diego about 24 times each week, with ticket deals ranging from $151 to $302. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from Denver to San Diego?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from Denver.

Can I find flights from Denver to San Diego with flexible booking policies on momondo?

Yes. All flights to San Diego from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Denver to San Diego?

Once all potential Denver to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Denver to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Denver to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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