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

DEN — SAN
May 30 — Jun 61

The best prices from Denver Intl to San Diego are usually found in August or January, booked 15 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

How to find the cheapest flight from Denver to San Diego

All the information you need to plan the best DEN to SAN flight in 2022: compare Denver to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.

DEN - SAN

Price

$136 - $233

SAN

Temperature

57.2 - 71.6 °F

SAN

Rainfall

0 - 2.3 inches

Popular inDecemberHigh demand for flights, 23% potential price rise
Cheapest inAugustBest time to find cheap flights, 25% potential price drop
Round-trip from$136From Denver Intl to San Diego
One-way from$102One-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 30% 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 14 days in advance, which can save you up to 7% on flights from Denver to San Diego compared to booking the week you need them. Waiting 14 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 $164. For sooner than that we have options available in the next 3 days from $186.

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

August is one of the best times of the year to fly to San Diego from Denver. Prices for August average $180 per person but you can even find prices for as low as $96. The most expensive prices can be found in the month of December. Opting for a August flight can save you 29% on your journey compared to booking in December

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 14% versus a flight at noon.

Cheap flights from Denver to San Diego in May, June 2022

The best prices found for DEN to SAN flights for May, June
Jun 8 - Jun 11
DEN

Denver Intl

SAN

San Diego

1 stop

7h 22m
SAN

San Diego

DEN

Denver Intl

1 stop

6h 27m
$112

Spirit Airlines

View Deal

Deal found 25/5/22

Jun 7 - Jun 8
DEN

Denver Intl

SAN

San Diego

1 stop

5h 22m
SAN

San Diego

DEN

Denver Intl

1 stop

18h 43m
$115

Frontier

View Deal

Deal found 22/5/22

Jun 6 - Jun 7
DEN

Denver Intl

SAN

San Diego

1 stop

11h 38m
SAN

San Diego

DEN

Denver Intl

1 stop

11h 19m
$121

Multiple Airlines

View Deal

Deal found 23/5/22

Denver to San Diego 2022 flight deals

Cheap flights to San Diego from Denver found for this year
Jun 8 - Jun 11
DEN

Denver Intl

SAN

San Diego

1 stop

7h 22m
SAN

San Diego

DEN

Denver Intl

1 stop

6h 27m
$112

Spirit Airlines

View Deal

Deal found 25/5/22

Jun 7 - Jun 8
DEN

Denver Intl

SAN

San Diego

1 stop

5h 22m
SAN

San Diego

DEN

Denver Intl

1 stop

18h 43m
$115

Frontier

View Deal

Deal found 22/5/22

Jun 6 - Jun 7
DEN

Denver Intl

SAN

San Diego

1 stop

11h 38m
SAN

San Diego

DEN

Denver Intl

1 stop

11h 19m
$121

Multiple Airlines

View Deal

Deal found 23/5/22

Cheap Frontier flights from Denver to San Diego

Jun 7 - Jun 8
DEN

Denver Intl

SAN

San Diego

1 stop

5h 22m
SAN

San Diego

DEN

Denver Intl

1 stop

18h 43m
$115

Frontier

View Deal

Deal found 22/5/22

Jun 7 - Jun 14
DEN

Denver Intl

SAN

San Diego

1 stop

8h 02m
SAN

San Diego

DEN

Denver Intl

1 stop

13h 11m
$126

Frontier

View Deal

Deal found 23/5/22

Jun 8 - Jun 15
DEN

Denver Intl

SAN

San Diego

1 stop

12h 18m
SAN

San Diego

DEN

Denver Intl

1 stop

10h 00m
$134

Frontier

View Deal

Deal found 22/5/22

  • One of the most popular airlines traveling from Denver to San Diego is Frontier. Flights from Frontier traveling this route typically cost $257.20 RT. This price is typically 45% cheaper than other airlines that offer Denver to San Diego flights. When booking this route, the cheapest RT price found was $98. 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 23% more popular than any other airline flying that same route.

Cheap Spirit Airlines flights from Denver to San Diego

Jun 8 - Jun 11
DEN

Denver Intl

SAN

San Diego

1 stop

7h 22m
SAN

San Diego

DEN

Denver Intl

1 stop

6h 27m
$112

Spirit Airlines

View Deal

Deal found 25/5/22

Jun 6 - Jun 7
DEN

Denver Intl

SAN

San Diego

1 stop

11h 38m
SAN

San Diego

DEN

Denver Intl

1 stop

8h 17m
$124

Spirit Airlines

View Deal

Deal found 23/5/22

Jun 4 - Jun 8
DEN

Denver Intl

SAN

San Diego

1 stop

8h 08m
SAN

San Diego

DEN

Denver Intl

1 stop

6h 27m
$131

Spirit Airlines

View Deal

Deal found 23/5/22

  • If you’re traveling from Denver to San Diego, one of the more common airlines traveling that route is Spirit Airlines. Denver to San Diego flights are typically 35% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $323.96 RT. The cheapest Spirit Airlines flight found for this route was $101. When traveling from Denver to San Diego on Spirit Airlines, the most popular airport to depart from is Denver Intl Airport and the most popular airport to arrive at is San Diego Airport. When flying from Denver to San Diego, Spirit Airlines flights are 23% more popular than any other airline flying that same route.

Non-stop flights to San Diego from Denver

Save time with Denver to San Diego direct flight deals
Sep 13 - Sep 20
DEN

Denver Intl

SAN

San Diego

Nonstop

2h 25m
SAN

San Diego

DEN

Denver Intl

Nonstop

2h 37m
$161

Frontier

View Deal

Deal found 24/5/22

Aug 17 - Aug 30
DEN

Denver Intl

SAN

San Diego

Nonstop

2h 25m
SAN

San Diego

DEN

Denver Intl

Nonstop

2h 30m
$170

Frontier

View Deal

Deal found 24/5/22

Sep 28 - Sep 29
DEN

Denver Intl

SAN

San Diego

Nonstop

2h 33m
SAN

San Diego

DEN

Denver Intl

Nonstop

2h 24m
$174

Multiple Airlines

View Deal

Deal found 24/5/22

Last minute flights from Denver to San Diego

Late deals on return flights to San Diego from Denver, departing today and this week
Jun 4 - Jun 8
DEN

Denver Intl

SAN

San Diego

1 stop

8h 08m
SAN

San Diego

DEN

Denver Intl

1 stop

6h 27m
$131

Spirit Airlines

View Deal

Deal found 23/5/22

Jun 4 - Jun 6
DEN

Denver Intl

SAN

San Diego

1 stop

9h 56m
SAN

San Diego

DEN

Denver Intl

1 stop

11h 39m
$134

Multiple Airlines

View Deal

Deal found 22/5/22

Jun 4 - Jun 6
DEN

Denver Intl

SAN

San Diego

1 stop

8h 08m
SAN

San Diego

DEN

Denver Intl

1 stop

10h 49m
$139

Multiple Airlines

View Deal

Deal found 23/5/22

One-way flights to San Diego from Denver

The cheapest one-way flights from Denver to San Diego
Jun 6
DEN

Denver Intl

SAN

San Diego

1 stop

11h 38m
$55

Spirit Airlines

View Deal

Deal found 22/5/22

Jun 7
DEN

Denver Intl

SAN

San Diego

1 stop

10h 43m
$56

Spirit Airlines

View Deal

Deal found 24/5/22

Jun 15
DEN

Denver Intl

SAN

San Diego

1 stop

9h 19m
$57

Frontier

View Deal

Deal found 24/5/22

Related info for your journey

Useful info, stats and facts about Denver to San Diego flights.

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 21 daily flights to San Diego from 9 different airlines. 2h 20m is how long a flight from Denver to San Diego will take if you book a nonstop flight.

Which airlines flying from Denver Intl to San Diego have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Frontier, United Airlines, and Juneyao Airlines flying from Denver Intl to San Diego have implemented new flexible cancellation policies.

Can I find flights from Denver to San Diego for under $200 on Cheapflights?

Yes, there are multiple flights from Denver to San Diego for under $200. The cheapest flight booked recently is on Spirit Airlines for just $112, but on average you can expect to pay $133.

Are there nonstop flights from Denver to San Diego for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Denver to San Diego under $200. A good price for a nonstop flight from Denver to San Diego is less than $185.

Are there last-minute flights available from Denver to San Diego for under $200?

There are currently 20+ open flights from Denver to San Diego within the next 7 days for less than $200.

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

Nonstop flights can be found on the following days: Sunday, Monday, Thursday, Friday, Saturday.

How popular is this Denver to San Diego flight route?

Within the past month, 145 users have taken a look at flights from Denver Intl to San Diego.

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

Travelers can expect 9 flights from Denver to San Diego on average per day.
Morning (6am - Noon) - 22% of flight departures
Afternoon (Noon - 6pm) - 44% of flight departures
Evening (6pm - Midnight) - 33% of flight departures

How long is the flight from Denver to San Diego?

For as low as $112, Spirit Airlines can have you in San Diego from Denver in 5h 22m. The distance from Denver to San Diego is about 856 mi. This flight may include one or multiple stops.

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

According to our current data, Spirit Airlines ($112), and Frontier ($115) offers the cheapest pricing from Denver to San Diego. Spirit Airlines is 37% 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?

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

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 (85%), Lufthansa (82%) and Copa Airlines (79%).

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 $399, our data indicates the cheapest price to be $20. The most popular route (Denver Intl - San Diego), is priced around $121.

Alternative routes for Denver to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Denver to San Diego

The chart below displays the airlines Cheapflights users traveling from Denver to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$11Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Spirit AirlinesCheapest$68Average$134FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
FrontierCheapest$75Average$180FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
American AirlinesCheapest$86Average$214FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$98Average$257FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights

Hourly flight availability from Denver to San Diego

See what time of day planes typically take off from Denver to San Diego
4%of flight departuresEarly morningMidnight to 6 am
29%of flight departuresMorning6 am to noon
27%of flight departuresAfternoonNoon to 6 pm
40%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Denver to San Diego

See how many times per day planes take to the skies headed from Denver to San Diego
Sunday23daily flights
Monday24daily flights
Tuesday23daily flights
Wednesday26daily flights
Thursday23daily flights
Friday21daily flights
Saturday12daily flights