Cheap flights from Denver to San Diego (DEN - SAN) from $29

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 4/16. 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.
DEN — SAN
Mar 24 — Mar 311

The best prices from Denver Intl to San Diego are usually found in January or September, booked 35 days in advance, depart on a Wednesday or Tuesday 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 March 19, 2024.

Popular in

March

Cheapest in

January

Round-trip from

$288

One-way from

$29
High demand for flights, 25% potential price rise
Best time to find cheap flights, 36% potential price drop
From Denver Intl to San Diego
One-way flight from Denver Intl to San Diego

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

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 36% 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 34 days in advance, which can save you up to 33% on flights from Denver to San Diego compared to booking the week you need them. Waiting 34 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 $192. For sooner than that we have options available in the next 3 days from $306.

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

January is one of the best times of the year to fly to San Diego from Denver. Prices for January average $201 per person but you can even find prices for as low as $48. The most expensive prices can be found in the month of March. Opting for a January flight can save you 33% on your journey compared to booking in March

When is the cheapest time to fly from Denver to San Diego (DEN - 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 20% versus a flight at noon.

Cheap Frontier flights from Denver to San Diego

Explore cheap flight options specifically provided by Frontier for the route between Denver and San Diego. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a peek at the cheapest Frontier flights we've detected traveling from Denver to San Diego. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 4/173:45 pmDEN - SAN
Nonstop2h 30mFrontier
Wed 4/244:07 pmSAN - DEN
Nonstop2h 24mFrontier
Deal found 3/18$52
Sat 4/136:44 pmDEN - SAN
Nonstop2h 31mFrontier
Sat 4/202:19 pmSAN - DEN
Nonstop2h 32mFrontier
Deal found 3/17$57
Wed 4/173:45 pmDEN - SAN
Nonstop2h 30mFrontier
Sat 4/272:19 pmSAN - DEN
Nonstop2h 32mFrontier
Deal found 3/18$58
Thu 4/186:30 amDEN - SAN
Nonstop2h 33mFrontier
Sat 4/279:33 amSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$68
Sun 4/146:00 amDEN - SAN
Nonstop2h 33mFrontier
Sat 4/202:19 pmSAN - DEN
Nonstop2h 32mFrontier
Deal found 3/18$70
Thu 4/1810:05 amDEN - SAN
Nonstop2h 26mFrontier
Thu 4/259:03 amSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$72
Mon 4/156:50 amDEN - SAN
Nonstop2h 33mFrontier
Wed 4/179:24 amSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$73
Wed 4/106:44 pmDEN - SAN
Nonstop2h 31mFrontier
Thu 4/1112:21 pmSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$74
Wed 4/36:05 amDEN - SAN
Nonstop2h 42mFrontier
Tue 4/910:07 amSAN - DEN
Nonstop2h 20mFrontier
Deal found 3/18$77
  • One of the most popular airlines traveling from Denver to San Diego is Frontier. Flights from Frontier traveling this route typically cost $297.80 RT. This price is typically 18% cheaper than other airlines that offer Denver to San Diego flights. When booking this route, the cheapest RT price found was $119. Denver Intl Airport is the most common Denver airport to take off from when flying to San Diego. San Diego Airport is the most popular arrival airport in San Diego. When flying from Denver to San Diego, Frontier flights are 6% more popular than any other airline flying that same route.

Cheap Delta flights from Denver to San Diego

Explore cheap flight options specifically provided by Delta for the route between Denver and San Diego. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a gander at the lowest prices we've found on Delta flights from Denver to San Diego. Deals are refreshing constantly so come back soon for more options.
Wed 4/1712:54 pmDEN - SAN
1 stop4h 16mDelta
Tue 4/2310:10 amSAN - DEN
1 stop4h 40mDelta
Deal found 3/18$196
Tue 4/1612:54 pmDEN - SAN
1 stop6h 26mDelta
Tue 4/2310:10 amSAN - DEN
1 stop4h 40mDelta
Deal found 3/18$197
Tue 4/165:24 amDEN - SAN
1 stop4h 49mDelta
Thu 4/2510:10 amSAN - DEN
1 stop4h 40mDelta
Deal found 3/18$198
  • One of the most popular airlines traveling from Denver to San Diego is Delta. Flights from Delta traveling this route typically cost $163.60 RT. This price is typically 120% cheaper than other airlines that offer Denver to San Diego flights. When booking this route, the cheapest RT price found was $56. Denver Intl Airport is the most common Denver airport to take off from when flying to San Diego. San Diego Airport is the most popular arrival airport in San Diego. When flying from Denver to San Diego, Delta flights are -10% more popular than any other airline flying that same route.

Cheap Denver to San Diego flights in March & April 2024

Find cheap flight options from Denver to San Diego specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
The lowest fares we've come across on flights traveling from Denver to San Diego in March and April 2024. More deals are always being added, so be sure to check back regularly.
Sat 4/136:44 pmDEN - SAN
Nonstop2h 31mFrontier
Sat 4/202:19 pmSAN - DEN
Nonstop2h 32mFrontier
Deal found 3/17$57
Wed 4/176:51 amDEN - SAN
Nonstop2h 33mFrontier
Tue 4/2310:02 amSAN - DEN
Nonstop2h 27mFrontier
Deal found 3/17$58
Sun 4/146:00 amDEN - SAN
Nonstop2h 33mFrontier
Wed 4/174:07 pmSAN - DEN
Nonstop2h 24mFrontier
Deal found 3/17$67
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Wed 4/249:24 amSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$68
Fri 4/196:02 pmDEN - SAN
Nonstop2h 31mFrontier
Sat 4/279:33 amSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$70
Wed 4/106:44 pmDEN - SAN
Nonstop2h 31mFrontier
Thu 4/1112:21 pmSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$74
Sun 4/286:00 amDEN - SAN
Nonstop2h 33mFrontier
Fri 5/32:04 pmSAN - DEN
Nonstop2h 32mFrontier
Deal found 3/18$77
Mon 4/1511:29 amDEN - SAN
Nonstop2h 30mFrontier
Fri 4/192:21 pmSAN - DEN
Nonstop2h 32mFrontier
Deal found 3/17$78
Fri 4/196:02 pmDEN - SAN
Nonstop2h 31mFrontier
Fri 4/269:08 amSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$80

Denver to San Diego 2024 flight deals

Discover exclusive flight deals for travel between Denver and San Diego in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
The lowest fares we've come across on flights traveling from Denver to San Diego in March and April 2024. More deals are always being added, so be sure to check back regularly.
Sat 4/136:44 pmDEN - SAN
Nonstop2h 31mFrontier
Sat 4/202:19 pmSAN - DEN
Nonstop2h 32mFrontier
Deal found 3/17$57
Wed 4/176:51 amDEN - SAN
Nonstop2h 33mFrontier
Tue 4/2310:02 amSAN - DEN
Nonstop2h 27mFrontier
Deal found 3/17$58
Sun 4/146:00 amDEN - SAN
Nonstop2h 33mFrontier
Wed 4/174:07 pmSAN - DEN
Nonstop2h 24mFrontier
Deal found 3/17$67
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Wed 4/249:24 amSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$68
Fri 4/196:02 pmDEN - SAN
Nonstop2h 31mFrontier
Sat 4/279:33 amSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$70
Mon 5/1311:29 amDEN - SAN
Nonstop2h 30mFrontier
Mon 5/134:08 pmSAN - DEN
Nonstop2h 24mFrontier
Deal found 3/18$73
Wed 4/106:44 pmDEN - SAN
Nonstop2h 31mFrontier
Thu 4/1112:21 pmSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$74
Thu 5/96:30 amDEN - SAN
Nonstop2h 33mFrontier
Sun 5/128:23 amSAN - DEN
Nonstop2h 25mFrontier
Deal found 3/17$77
Fri 5/106:35 amDEN - SAN
Nonstop2h 33mFrontier
Fri 5/102:04 pmSAN - DEN
Nonstop2h 32mFrontier
Deal found 3/18$78

Non-stop flights to San Diego from Denver

Discover non-stop flight options from Denver to San Diego. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the direct flights traveling from Denver to San Diego in the near future. Select from other flights from Denver to San Diego by using the search form above.
Sat 4/136:44 pmDEN - SAN
Nonstop2h 31mFrontier
Sat 4/202:19 pmSAN - DEN
Nonstop2h 32mFrontier
Deal found 3/17$57
Wed 4/176:51 amDEN - SAN
Nonstop2h 33mFrontier
Tue 4/2310:02 amSAN - DEN
Nonstop2h 27mFrontier
Deal found 3/17$58
Sun 4/146:00 amDEN - SAN
Nonstop2h 33mFrontier
Wed 4/174:07 pmSAN - DEN
Nonstop2h 24mFrontier
Deal found 3/17$67
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Wed 4/249:24 amSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$68
Fri 4/196:02 pmDEN - SAN
Nonstop2h 31mFrontier
Sat 4/279:33 amSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$70
Mon 5/1311:29 amDEN - SAN
Nonstop2h 30mFrontier
Mon 5/134:08 pmSAN - DEN
Nonstop2h 24mFrontier
Deal found 3/18$73
Wed 4/106:44 pmDEN - SAN
Nonstop2h 31mFrontier
Thu 4/1112:21 pmSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$74
Thu 5/96:30 amDEN - SAN
Nonstop2h 33mFrontier
Sun 5/128:23 amSAN - DEN
Nonstop2h 25mFrontier
Deal found 3/17$77
Fri 5/106:35 amDEN - SAN
Nonstop2h 33mFrontier
Fri 5/102:04 pmSAN - DEN
Nonstop2h 32mFrontier
Deal found 3/18$78

Denver to San Diego flights leaving soon

Find last-minute flight options from Denver to San Diego for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Consider one of these great deals we found on last-minute flights from Denver to San Diego. Users should examine the flight details to ensure there are no surprises.
Tue 3/266:35 amDEN - SAN
Nonstop2h 42mFrontier
Wed 4/35:51 pmSAN - DEN
Nonstop2h 27mFrontier
Deal found 3/17$98
Wed 3/276:05 amDEN - SAN
Nonstop2h 42mFrontier
Wed 3/275:51 pmSAN - DEN
Nonstop2h 27mFrontier
Deal found 3/17$106
Tue 3/266:35 amDEN - SAN
Nonstop2h 42mFrontier
Tue 4/27:32 pmSAN - DEN
1 stop4h 10mFrontier
Deal found 3/17$111
Mon 3/255:02 pmDEN - SAN
Nonstop2h 35mFrontier
Wed 3/275:51 pmSAN - DEN
Nonstop2h 27mFrontier
Deal found 3/17$118
Wed 3/276:05 amDEN - SAN
Nonstop2h 42mMultiple Airlines
Mon 4/111:06 pmSAN - DEN
1 stop7h 52mMultiple Airlines
Deal found 3/17$122
Mon 3/255:02 pmDEN - SAN
Nonstop2h 35mFrontier
Tue 4/27:32 pmSAN - DEN
1 stop4h 10mFrontier
Deal found 3/17$131
Tue 3/266:35 amDEN - SAN
Nonstop2h 42mFrontier
Tue 3/263:35 pmSAN - DEN
1 stop8h 07mFrontier
Deal found 3/17$133
Wed 3/276:05 amDEN - SAN
Nonstop2h 42mFrontier
Wed 3/275:51 pmSAN - DEN
Nonstop2h 27mFrontier
Deal found 3/17$135
Sun 3/245:02 pmDEN - SAN
Nonstop2h 35mFrontier
Wed 3/275:51 pmSAN - DEN
Nonstop2h 27mFrontier
Deal found 3/17$138

One-way flights to San Diego from Denver

Search for one-way flight options from Denver to San Diego. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the best available options we've come across on one-way flights from Denver to San Diego. Those needing a return flight from Denver to San Diego can use the search form above.
Tue 4/165:30 amDEN - SAN
Nonstop2h 30mFrontier
Deal found 3/17$29
Thu 4/1810:05 amDEN - SAN
Nonstop2h 26mFrontier
Deal found 3/17$39
Thu 4/1110:05 amDEN - SAN
Nonstop2h 26mFrontier
Deal found 3/17$45
Wed 3/275:02 pmDEN - SAN
Nonstop2h 35mFrontier
Deal found 3/18$49
Tue 4/27:35 amDEN - SAN
Nonstop2h 41mFrontier
Deal found 3/17$50
Fri 4/56:35 amDEN - SAN
Nonstop2h 42mFrontier
Deal found 3/17$55
Mon 4/1510:56 pmDEN - SAN
1 stop9h 53mFrontier
Deal found 3/16$56
Wed 4/176:40 amDEN - SAN
1 stop13h 19mMultiple Airlines
Deal found 3/17$57
Sat 3/301:02 pmDEN - SAN
1 stop6h 59mMultiple Airlines
Deal found 3/16$60

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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$52 - $196

Route

Depart

Return

Price

Denver IntlSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 4/17

Nonstop2h 30m

San Diego

Wed 4/24

Nonstop2h 24m

$52

Denver IntlSan Diego

DEN - SAN

DENSAN

Denver Intl

Sat 4/13

Nonstop2h 31m

San Diego

Sat 4/20

Nonstop2h 32m

$57

Denver IntlSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 4/17

Nonstop2h 30m

San Diego

Sat 4/27

Nonstop2h 32m

$58

Denver IntlSan Diego

DEN - SAN

DENSAN

Denver Intl

Thu 4/18

Nonstop2h 33m

San Diego

Sat 4/27

Nonstop2h 23m

$68

Denver IntlSan Diego

DEN - SAN

DENSAN

Denver Intl

Sun 4/14

Nonstop2h 33m

San Diego

Sat 4/20

Nonstop2h 32m

$70

Denver IntlSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 4/17

1 stop6h 15m

San Diego

Tue 4/23

Nonstop2h 27m

$87

Denver IntlSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 4/17

Nonstop2h 31m

San Diego

Wed 4/24

1 stop5h 39m

$88

Denver IntlSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 4/17

Nonstop2h 33m

San Diego

Wed 4/24

1 stop5h 39m

$89

Denver IntlSan Diego

DEN - SAN

DENSAN

Denver Intl

Wed 4/17

1 stop4h 16m

San Diego

Tue 4/23

1 stop4h 40m

$196

Flights are sorted by cheapest first

Deals found on 3/18

When is the best time to 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 January 28, 2024.
Booking 33 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.
Search Deals

When is the cheapest time 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 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Denver to San Diego flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Diego by month

Plan your trip from Denver to San Diego by taking into account the cheapest months to travel. The average price of a one-way flight from Denver to San Diego is currently $49 while a round-trip flight costs $85. Price data was last updated on March 17, 2024.

Currently, October is the cheapest month in which you can book a flight from Denver to San Diego (average of $288). Flying from Denver to San Diego in June is currently the most expensive (average of $377). 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.

January

$292

February

$297

March

$339

April

$327

May

$328

June

$377

July

$368

August

$313

September

$299

October

$288

November

$334

December

$305

Temperature and rainfall in San Diego by month

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

SAN

Temperature

57.2 - 71.6 °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 March 19, 2024.
To help decide which airline to fly from Denver to San Diego, see what other customers have to say about Frontier 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.
8.1
Very good
9,147 reviews

Crew

8.6

Overall

8.1

Boarding

8.3

Food

7.3

Comfort

7.9

Entertainment

7.4

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
9,147 reviews
8.1
Very good
9,147 reviews

Crew

8.6

Overall

8.1

Boarding

8.3

Food

7.3

Comfort

7.9

Entertainment

7.4

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
11,551 reviews
8.1
Very good
9,147 reviews

Crew

8.6

Overall

8.1

Boarding

8.3

Food

7.3

Comfort

7.9

Entertainment

7.4

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.4
Good
11,602 reviews
8.1
Very good
9,147 reviews

Crew

8.6

Overall

8.1

Boarding

8.3

Food

7.3

Comfort

7.9

Entertainment

7.4

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.3
Good
15,312 reviews
8.1
Very good
9,147 reviews

Crew

8.6

Overall

8.1

Boarding

8.3

Food

7.3

Comfort

7.9

Entertainment

7.4

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.3
Good
704 reviews
8.1
Very good
9,147 reviews

Crew

8.6

Overall

8.1

Boarding

8.3

Food

7.3

Comfort

7.9

Entertainment

7.4

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

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 24 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 flights from Denver to San Diego for under $100 on Cheapflights?

    Yes, there are multiple flights from Denver to San Diego for under $100. The cheapest flight booked recently is on Frontier for just $52, but on average you can expect to pay $76.

  • Are there nonstop flights from Denver to San Diego for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Denver to San Diego under $100. A good price for a nonstop flight from Denver to San Diego is less than $81.

  • Are there last-minute flights available from Denver to San Diego for under $100?

    There are currently 20+ open flights from Denver to San Diego within the next 7 days for less than $100.

  • What days are nonstop flights available from Denver to San Diego?

    Nonstop flights can be found on the following days: Tuesday, Wednesday.

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

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

    Travelers can expect 2 flights from Denver to San Diego on average per day.
    Early Morning (Midnight to 6am) - 50% of flight departures
    Afternoon (Noon - 6pm) - 50% of flight departures

  • How long is the flight from Denver to San Diego?

    For as low as $52, Frontier can have you in San Diego from Denver in 2h 30m. The distance from Denver to San Diego is about 856 mi. All flights are typically nonstop.

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

    According to our current data, Frontier ($52), offers the cheapest pricing from Denver to San Diego. Frontier is 74% cheaper than the average price of flights available within the next 90 days to this destination.

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

  • 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 Lufthansa (88%), Frontier (88%) and Copa Airlines (77%).

  • 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 $405, our data indicates the cheapest price to be $29. The most popular route (Denver Intl - San Diego), is priced around $67.

  • What does DEN to SAN mean?

    This is defined as Denver Intl Airport (DEN) and San Diego Airport (SAN). Codes like San Diego Airport are often used to just call airports uniquely.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Denver to San Diego on these airlines
Choose from the following airlines for your flight from Denver to San Diego. Flights are based on user searches made on Cheapflights and were last updated on March 19, 2024.

Top 5 airlines flying from Denver to San Diego

Discover the top 5 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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$164FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$68Average$130FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$119Average$298FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$192Average$246FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$198Average$279FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from Denver to San Diego by cabin class

Find flights from Denver to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Denver to San Diego

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 March 19, 2024.
2%of flight departuresEarly morningMidnight to 6 am
36%of flight departuresMorning6 am to noon
35%of flight departuresAfternoonNoon to 6 pm
27%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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 March 19, 2024.
Sunday18daily flights
Monday29daily flights
Tuesday22daily flights
Wednesday22daily flights
Thursday28daily flights
Friday28daily flights
Saturday22daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to San Diego?

When you search for this flight from Denver to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Denver to San Diego?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Denver to San Diego.

Can Cheapflights find flights from Denver to San Diego with no change fees?

Yes, we can. To see specific flights from Denver to San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Denver to San Diego become cheaper?

Of course! You can now track prices for flights from Denver to San Diego and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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