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$46+ Cheap flights from Denver to San Diego (DEN - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SAN
nov. 26 — dic. 31
mar. 11/26
mar. 12/3
1 adult, Economy
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The best prices from Denver Intl to San Diego are usually found in May or April, booked 68 days in advance, depart on a Saturday or Wednesday and return on a Saturday

Cheap flight deals from Denver to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) 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 noviembre 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

March

Cheapest in

May

Round-trip from

$78
(Frontier)

One-way from

$46
(Kiwi.com)
Provider with most accurate pricing for Denver Intl-San Diego flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-San Diego flights.
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High demand for flights, 21% potential price rise
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Best time to find cheap flights, 30% potential price drop
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From Denver Intl to San Diego
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One-way flight from Denver Intl to San Diego
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Find flight deals from Denver to San Diego

Cheapest flights from Denver to San Diego
Explore the most affordable flight options available from Denver to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 21, 2024.

This Frontier deal was found by Cheapflights users on 11/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1011:01 amDEN - SAN
Nonstop2h 37mFrontier
mié. 12/186:25 amSAN - DEN
Nonstop2h 31mFrontier
Deal found 11/21$78
This Delta deal was found by Cheapflights users on 11/20. 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.
mar. 12/106:20 amDEN - SAN
1 stop4h 55mDelta
mar. 12/1710:15 amSAN - DEN
1 stop7h 35mDelta
Deal found 11/20$216
This Orbitz deal was found by Cheapflights users on 11/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/810:51 amDEN - SAN
1 stop8h 10mMultiple Airlines
mié. 12/1112:29 pmSAN - DEN
1 stop5h 26mMultiple Airlines
Deal found 11/19$232
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/98:50 pmDEN - SAN
Nonstop2h 25mSouthwest
mar. 12/104:35 pmSAN - DEN
Nonstop2h 20mSouthwest
Deal found 11/20$268
This United Airlines deal was found by Cheapflights users on 11/19. 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.
sáb. 12/218:50 pmDEN - SAN
Nonstop2h 30mUnited Airlines
mié. 12/258:35 amSAN - DEN
Nonstop2h 28mUnited Airlines
Deal found 11/19$282

Find flights from Denver to San Diego within your budget

Customize your flight search to find flights from Denver 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 2,612,795 searches. Data last updated noviembre 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

mar. 12/10

11:01 am-12:38 pm

Nonstop2h 37m

San Diego

mié. 12/18

6:25 am-9:56 am

Nonstop2h 31m

$78

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

sáb. 3/1

7:00 am-1:58 pm

1 stop7h 58m

San Diego

mar. 3/4

4:06 pm-7:33 pm

Nonstop2h 27m

$142

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

jue. 1/23

2:07 pm-7:25 pm

1 stop6h 18m

San Diego

jue. 1/30

6:20 am-1:07 pm

1 stop5h 47m

$216

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

sáb. 12/14

7:45 pm-11:32 pm

1 stop4h 47m

San Diego

lun. 12/16

6:15 am-12:19 pm

1 stop5h 04m

$226

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

sáb. 1/25

7:45 pm-11:58 pm

1 stop5h 13m

San Diego

mar. 1/28

7:00 am-10:28 am

Nonstop2h 28m

$227

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

sáb. 2/1

2:27 pm-6:32 pm

1 stop5h 05m

San Diego

vie. 2/28

6:22 am-11:42 am

1 stop4h 20m

$247

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

jue. 12/12

10:15 pm-11:49 pm

Nonstop2h 34m

$47

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

vie. 12/13

10:15 pm-6:15 pm

2 stops21h 00m

$82

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

mar. 2/18

6:00 am-10:15 am

1 stop5h 15m

$88

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

mar. 12/24

5:25 am-10:29 pm

1 stop18h 04m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 13 results
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Compare providers for flights from Denver 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 Denver to San Diego in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-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 Denver-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 Denver to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Denver with our price prediction graph.
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.

Travel insights for flights from Denver to San Diego

Get recent, data-driven insights about flights from Denver to San Diego including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Denver to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Denver to San Diego. Price data was last updated on November 15, 2024.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Denver to San Diego?

Currently, September is the cheapest month in which you can book a flight from Denver to San Diego (average of $266). Flying from Denver to San Diego in March is currently the most expensive (average of $339). 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 DEN to SAN?

Find hourly flight availability from Denver 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 noviembre 21, 2024.

When flying from Denver to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 45% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Denver to San Diego. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Denver to San Diego flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to San Diego

Explore weekly flight availability from Denver to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated noviembre 21, 2024.

The most flights from DEN to SAN are scheduled on a Thursday (30 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 noviembre 21, 2024.
To help decide which airline to fly from Denver to San Diego, see what other customers have to say about Frontier, Delta and Alaska Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Denver to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to San Diego?

    San Diego is the airport most travelers will use when flying to San Diego from Denver Intl. Booking flights from Denver Intl (DEN) to San Diego (SAN) should be relatively easy as there are 20 daily flights to San Diego from 6 different airlines. 2h 17m is how long a flight from Denver to San Diego will take if you book a nonstop flight.

  • How popular is this Denver to San Diego flight route?

    Within the past month, 154 users have taken a look at flights from Denver Intl to San Diego.

  • What are the cheapest airlines flying from Denver to San Diego round-trip?

    According to our current data, Frontier ($78), Delta ($226), and Alaska Airlines ($234) offers the cheapest pricing from Denver to San Diego. Frontier is 54% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Denver to San Diego one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $46. United Airlines flights start at $88 while deals on Delta start at $97 one-way.

  • What are the most reliable airlines from Denver to San Diego?

    The top 3 most reliable airlines when flying from Denver to San Diego are SWISS (100%), Lufthansa (84%) and United Airlines (84%).

  • What are the cheapest flights from Denver to San Diego?

    Looking for the cheapest flight from Denver to San Diego? While on average our users pay $293, our data indicates the cheapest price to be $40. The most popular route (Denver Intl - San Diego), is priced around $122.

  • Can I find deals for flights from Denver to San Diego that include hotel bookings?

    Yes. In addition to deals on Denver to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to San Diego.

  • Can I find deals for business class flights from Denver to San Diego?

    Yes. Cheapflights offers flight deals from Denver to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to San Diego?

    Currently, September is the cheapest month in which you can book a flight from Denver to San Diego (average of $266). Flying from Denver to San Diego in March is currently the most expensive (average of $339). 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.

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Top 6 airlines flying from Denver to San Diego

Discover the top 6 airlines that operate flights from Denver 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 2,612,795 searches. Data last updated noviembre 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$145FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$80Average$166FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$150Average$300FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$158Average$266FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$257FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$197Average$276FlexibilityNo cancel feeOn-time71%
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