How popular is this Denver to San Diego flight route?

Within the past month, 132 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 ($123), Alaska Airlines ($216), and Delta ($217) offers the cheapest pricing from Denver to San Diego. Frontier is 31% 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 $61. Alaska Airlines flights start at $108 while deals on Delta start at $109 one-way.

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 $375, our data indicates the cheapest price to be $69. The most popular route (Denver Intl - San Diego), is priced around $137.

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 Air Canada (84%), Frontier (81%) and Lufthansa (78%).

What are the most popular airlines that fly from Denver to San Diego?

Before booking your flight from Denver to San Diego check out the most popular airlines for this route: American Airlines, Delta or Frontier.

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

Departing on a Friday is a good option for securing a great price. You can expect to save up to 57% when planning your travel around this day of the week.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 57 days in advance, which can save you up to 79% on flights from Denver to San Diego compared to booking the week you need them. Waiting 57 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $155. For sooner than that we have options available in the next 3 days from $291.

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

May is one of the best times of the year to fly to San Diego from Denver. Prices for May average $180 per person but you can even find prices for as low as $57. The most expensive prices can be found in the month of March. Opting for a May flight can save you 29% on your journey compared to booking in March

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 eDreams the most. eDreams 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.

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 22 daily flights to San Diego from 5 different airlines. 2h 21m is how long a flight from Denver to San Diego will take if you book a nonstop flight.

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.

$61+ Flights from Denver to San Diego - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Denver to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Denver Intl to San Diego are usually found in May or June, booked 61 days in advance, depart on a Saturday or Tuesday and return on a Saturday

Cheap flight deals from Denver to San Diego

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$123 (Cheapflightsfares)
One-way from	$61 (Cheapflightsfares)
Popular in	March
Cheapest in	May
Average price	$187
Good round-trip deal	$165 or less
Good one-way deal	$103 or less

Provider with most accurate pricing for Denver Intl-San Diego flight deals.

Search Deals

Provider most trusted by Cheapflights users for Denver Intl-San Diego flights.

Search Deals

From Denver Intl to San Diego

Search Deals

One-way flight from Denver Intl to San Diego

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Denver Intl to San Diego.

Search Deals

Price to beat on a one-way flight from Denver Intl to San Diego.

Search Deals

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 April 29, 2025.

Wed 5/149:58 pmDEN - SAN

Nonstop2h 28mFrontier

Sat 5/176:10 pmSAN - DEN

Nonstop2h 37mFrontier

Deal found 4/28

$124

Wed 6/411:40 amDEN - SAN

1 stop6h 34mMultiple Airlines

Sat 6/76:25 amSAN - DEN

Nonstop2h 35mMultiple Airlines

Deal found 4/28

$176

Mon 10/612:30 pmDEN - SAN

Nonstop2h 26mHawaiian Airlines

Wed 10/88:00 amSAN - DEN

Nonstop2h 19mHawaiian Airlines

Deal found 4/28

$197

Thu 5/227:05 amDEN - SAN

1 stop5h 59mDelta

Tue 5/276:15 amSAN - DEN

1 stop4h 24mDelta

Deal found 4/27

$217

Wed 5/287:05 pmDEN - SAN

1 stop5h 54mAlaska Airlines

Mon 6/28:50 pmSAN - DEN

1 stop14h 10mAlaska Airlines

Deal found 4/28

$236

Thu 8/281:40 pmDEN - SAN

Nonstop2h 21mUnited Airlines

Mon 9/16:32 pmSAN - DEN

Nonstop2h 28mUnited Airlines

Deal found 4/28

$251

Sat 5/178:50 pmDEN - SAN

Nonstop2h 25mSouthwest

Sun 5/189:05 pmSAN - DEN

Nonstop2h 25mSouthwest

Deal found 4/28

$287

Best flights from Denver to San Diego
Discover carefully curated flight deals from Denver to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Wed 5/289:21 pmDEN - SAN

Nonstop2h 28mFrontier

Sat 5/316:18 pmSAN - DEN

Nonstop2h 37mFrontier

Deal found 4/27

$123

Wed 5/287:05 pmDEN - SAN

1 stop5h 54mMultiple Airlines

Tue 6/311:47 amSAN - DEN

Nonstop2h 39mMultiple Airlines

Deal found 4/26

$176

Wed 5/287:05 pmDEN - SAN

1 stop5h 54mAlaska Airlines

Tue 6/37:00 amSAN - DEN

1 stop10h 09mAlaska Airlines

Deal found 4/28

$216

Thu 5/227:05 amDEN - SAN

1 stop5h 59mDelta

Tue 5/276:15 amSAN - DEN

1 stop4h 24mDelta

Deal found 4/27

$217

Sat 5/178:50 pmDEN - SAN

Nonstop2h 25mSouthwest

Sun 5/189:05 pmSAN - DEN

Nonstop2h 25mSouthwest

Deal found 4/28

$287

Last-minute flights from Denver to San Diego
Discover last-minute flight deals from Denver to San Diego. Data last updated April 29, 2025 and is based on user searches.

Sat 5/36:37 pmDEN - SAN

1 stop6h 22mHawaiian Airlines

Sat 5/1010:52 amSAN - DEN

1 stop9h 23mHawaiian Airlines

Deal found 4/27

$332

Sun 5/410:52 pmDEN - SAN

1 stop26h 06mMultiple Airlines

Sun 5/117:45 amSAN - DEN

1 stop22h 34mMultiple Airlines

Deal found 4/27

$295

Tue 5/69:43 pmDEN - SAN

Nonstop2h 28mFrontier

Wed 5/146:25 amSAN - DEN

Nonstop2h 31mFrontier

Deal found 4/27

$152

Tue 5/62:39 pmDEN - SAN

1 stop7h 05mAlaska Airlines

Tue 5/132:15 pmSAN - DEN

1 stop6h 00mAlaska Airlines

Deal found 4/27

$306

Thu 5/812:54 pmDEN - SAN

1 stop6h 51mDelta

Mon 5/195:02 pmSAN - DEN

1 stop4h 28mDelta

Deal found 4/28

$297

Wed 5/149:58 pmDEN - SAN

Nonstop2h 28mFrontier

Sat 5/176:10 pmSAN - DEN

Nonstop2h 37mFrontier

Deal found 4/28

$124

Thu 5/227:05 amDEN - SAN

1 stop5h 59mDelta

Tue 5/276:15 amSAN - DEN

1 stop4h 24mDelta

Deal found 4/27

$217

Mon 5/265:00 amDEN - SAN

1 stop6h 27mUnited Airlines

Mon 6/28:40 pmSAN - DEN

2 stops11h 19mUnited Airlines

Deal found 4/28

$358

Wed 5/287:05 pmDEN - SAN

1 stop5h 54mMultiple Airlines

Mon 6/28:37 pmSAN - DEN

Nonstop2h 44mMultiple Airlines

Deal found 4/28

$190

Wed 5/287:05 pmDEN - SAN

1 stop5h 54mAlaska Airlines

Mon 6/26:53 pmSAN - DEN

1 stop16h 07mAlaska Airlines

Deal found 4/28

$236

Sat 5/317:20 amDEN - SAN

Nonstop2h 25mSouthwest

Tue 6/37:30 pmSAN - DEN

Nonstop2h 30mSouthwest

Deal found 4/28

$197

One-way flights from Denver to San Diego
Search for one-way flight options from Denver to San Diego. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Tue 5/279:21 amDEN - SAN

Nonstop2h 32mFrontier

Deal found 4/28

$61

Tue 6/37:05 pmDEN - SAN

1 stop5h 54mAlaska Airlines

Deal found 4/28

$108

Sat 6/146:05 amDEN - SAN

1 stop4h 14mDelta

Deal found 4/28

$109

Tue 5/2711:16 amDEN - SAN

1 stop5h 25mAmerican Airlines

Deal found 4/28

$122

Sun 5/259:00 pmDEN - SAN

Nonstop2h 24mUnited Airlines

Deal found 4/27

$142

Fri 5/306:30 pmDEN - SAN

2 stops26h 23mMultiple Airlines

Deal found 4/28

$155

Sat 5/247:55 amDEN - SAN

2 stops7h 40mSouthwest

Deal found 4/27

$179

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 5/14

9:58 pm-11:26 pm

Nonstop2h 28m

San Diego

Sat 5/17

6:10 pm-9:47 pm

Nonstop2h 37m

$124

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 6/4

11:40 am-5:14 pm

1 stop6h 34m

San Diego

Sat 6/7

6:25 am-10:00 am

Nonstop2h 35m

$176

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Mon 10/6

12:30 pm-1:56 pm

Nonstop2h 26m

San Diego

Wed 10/8

8:00 am-11:19 am

Nonstop2h 19m

$197

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Thu 5/22

7:05 am-12:04 pm

1 stop5h 59m

San Diego

Tue 5/27

6:15 am-11:39 am

1 stop4h 24m

$217

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 5/28

7:05 pm-11:59 pm

1 stop5h 54m

San Diego

Mon 6/2

6:53 pm-12:00 pm

1 stop16h 07m

$236

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Thu 8/28

1:40 pm-3:01 pm

Nonstop2h 21m

San Diego

Mon 9/1

6:32 pm-10:00 pm

Nonstop2h 28m

$251

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Sat 5/17

8:50 pm-10:15 pm

Nonstop2h 25m

San Diego

Sun 5/18

9:05 pm-12:30 am

Nonstop2h 25m

$287

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Tue 5/27

9:21 am-10:53 am

Nonstop2h 32m

$61

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Sat 10/25

6:43 pm-8:08 pm

Nonstop2h 25m

$99

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

Sat 6/14

6:05 am-9:19 am

1 stop4h 14m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 14 results

Compare providers for flights from Denver to San Diego

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy2 stars	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*2 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price 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 eDreams the most. eDreams 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.

The best insider tips for Denver to San Diego flights

Cheapflights partnered with top experts to bring you the best recommendations for your Denver to San Diego trip

Airports

DEN

For a quick security experience at DEN, reserve a time online for general screening. It's available for all travelers, not just TSA PreCheck users.

SAN

Use the free San Diego Flyer shuttle for easy transport between SAN and Old Town Transit Center. It's a convenient and cost-effective option.

Our travel experts

Blane Bachelor

Expert on SAN

Emily Zemler

Expert on DEN

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.

Cheapflights Insights

Everything you need to know about your flight from Denver to San Diego

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

Booking 61 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, August is the cheapest month in which you can book a flight from Denver to San Diego (average of $286). Flying from Denver to San Diego in March is currently the most expensive (average of $366). 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?

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 47% versus a flight at noon.

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

Travelers seeking maximum savings on their Denver to San Diego flight should consider departing on Saturday afternoons 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

The most flights from DEN to SAN are scheduled on a Monday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in San Diego 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

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

To help decide which airline to fly from Denver to San Diego, see what other customers have to say about Alaska Airlines, Southwest and Delta. 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.

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,949 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,292 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,929 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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 22 daily flights to San Diego from 5 different airlines. 2h 21m 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, 132 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 ($123), Alaska Airlines ($216), and Delta ($217) offers the cheapest pricing from Denver to San Diego. Frontier is 31% 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 $61. Alaska Airlines flights start at $108 while deals on Delta start at $109 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 Air Canada (84%), Frontier (81%) and Lufthansa (78%).
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 $375, our data indicates the cheapest price to be $69. The most popular route (Denver Intl - San Diego), is priced around $137.
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, August is the cheapest month in which you can book a flight from Denver to San Diego (average of $286). Flying from Denver to San Diego in March is currently the most expensive (average of $366). 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.

See more FAQs

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Other flights to San Diego

Top 5 airlines flying from Denver to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$58	Average$147	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$156	Average$305	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$177	Average$272	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$194	Average$317	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$197	Average$306	FlexibilityNo cancel fee	On-time71%

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$61+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denver to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Denver Intl to San Diego are usually found in May or June, booked 61 days in advance, depart on a Saturday or Tuesday and return on a Saturday

Cheap flight deals from Denver to San Diego

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Denver to San Diego

Cheapest flights from Denver to San DiegoExplore 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 April 29, 2025.

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 April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to San Diego that are best for you.

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 April.

The best insider tips for Denver to San Diego flights

Cheapflights partnered with top experts to bring you the best recommendations for your Denver to San Diego trip

Airports

DEN

SAN

Our travel experts

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.

Cheapflights Insights

Everything you need to know about your flight from Denver to San Diego

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 April 25, 2025.

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

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 April 29, 2025.

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 March 30, 2025.

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 April 29, 2025.

Rainfall in San Diego by month

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

Temperature in San Diego by month

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

Reviews of airlines servicing San Diego

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.

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How popular is this Denver to San Diego flight route?

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

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Alternative routes for Denver to San Diego

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Top 5 airlines flying from Denver to San Diego

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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 April 29, 2025.