Denver to San Diego Flight Route Information
| Travel Distance: | 852 Miles |
|---|---|
| Airlines Flying This Route: | Frontier Airlines, United Airlines, Southwest Airlines |
| Weekly Flights: | 330 |
| Avg. Flight Duration: | 05.14 Hours |
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11/18/2026 Find Cheap Flights from Denver to San Diego (DEN to SAN)
DEN - Denver SAN - San Diego 
Find Cheap Flights from Denver to San Diego (DEN to SAN)
Fares Starting from $70
DEN - Denver SAN - San Diego Great deal! This is the lowest price we've seen for this one way route in the last 12 hours. Prices may change and aren't guaranteed for all flights or dates. Click on the price to continue your search and check the latest available fare. Ref. id 202609~Ref:7WsMyJZosE-2pOZUucqjEw
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Cheap Flights from Denver to San Diego - Compare & Book Our Best Deals
With over 44 daily departures from Denver to San Diego, this route offers great flexibility for different travel plans. Browse one-way fares from $69.98, round-trip fares from $141.99, and other affordable options across different budgets. Compare flight choices, explore schedules, and book the best Denver to San Diego deals that fit your budget and travel preferences.
Top Airlines that fly from Denver to San Diego
Cheap Flight Deals from Denver to San Diego
DEN Denver Wed, Nov 18
SAN San Diego
from $70
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DEN Denver Tue, Dec 1
SAN San Diego
from $71
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DEN Denver Wed, Oct 28
SAN San Diego
from $77
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DEN Denver Thu, Dec 3
SAN San Diego
from $77
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DEN Denver Tue, Oct 20
SAN San Diego
from $78
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DEN Denver Sat, Oct 24
SAN San Diego
from $78
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DEN Denver Tue, Oct 27
SAN San Diego
from $78
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DEN Denver Wed, Dec 2
SAN San Diego
from $78
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DEN Denver Wed, Oct 21
SAN San Diego
from $78
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DEN Denver Wed, Dec 16
SAN San Diego
from $78
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*All fares above were last found on: Fares are one way/round trip. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions. 202609~Ref:7WsMyJZosE-2pOZUucqjEw
Insights about cheap flights from Denver to San Diego – Direct Flights, Duration & Best Travel Time
When it comes to booking cheap flights, having the right information at your fingertips can make all the difference. Dive into the insights for cheap flights from Denver to San Diego and enhance your travel experience!
Daily Flights
44
Cheapest Month
April
Avg. Flight Duration
05.14
Peak Season
August
Distance
852 miles
Direct Flights
1321
When is the Cheapest Time to Book Flights from DEN to SAN?
Explore data-powered insights and trends for flights from Denver to San Diego. Discover average fares, cheap months to fly, when to book, and plan smarter.
What’s the cheapest day of the week to fly from Denver to San Diego?‡
What is the cheapest month to fly from Denver to San Diego?‡
‡This information is based on historical data from the last 365 days.
Finding Affordable Flights from Denver to San Diego
- Plan Ahead - One of the keys to securing cheap flights from Denver to San Diego is to plan your trip well in advance. Airlines often offer lower prices for those who book tickets months ahead. Keep an eye on special promotions and sales events, which can yield significant savings.
- Flexibility is Key - Being flexible with your travel dates can also lead to substantial cost savings. Consider flying during off-peak seasons or on weekdays when prices tend to be lower.
- Set Price Alerts - To keep tabs on flight prices, consider setting up fare alerts. These alerts will notify you when fares from Denver to San Diego drop, giving you the opportunity to grab cheap deals.
- Consider Nearby Airports - If San Diego has multiple airports, check the prices at each one. Sometimes, flying into a nearby airport and then taking a short train or bus ride to your destination can be a much cheaper option.
- Bundle and Save - Booking your flight and accommodation together as a package can often result in significant savings. CheapOair offers these bundled deals, so make sure to explore this option.
When should I book flights from DEN to SAN? ‡
‡Got flexible travel dates? Use our flight data from the past year to discover ideal time to fly from Denver to San Diego. Find out which months and days typically offer lower fares and let CheapOair search for the best options.
CheapOair provides the predicted prices for one-way trips or round-trips with a duration of 7 days for domestic and 14 days for international trips based on historical data and available flight information. Graphs are estimates only. Prices are subject to change and can't be guaranteed until ticketed.
Estimated price for
Round-trip
‡Graphs are estimates only. Based on historical data and available flight information. Prices are subject to change and cannot be guaranteed until ticketed.
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Insights About Flying from Denver to San Diego
Which is the high season to travel from Denver to San Diego?
The month of August is considered the high season for flying from DEN to SAN. Traveling during the high season can affect ticket prices and availability, making this data crucial for trip planning.
How many direct flights are available from DEN to SAN?
There are a total of 1321 direct flights from Denver to San Diego. For travelers seeking convenience and shorter travel times, this data is important when choosing flight options.
Which is the low season to travel from Denver to San Diego?
April is considered the low season for traveling from Denver to San Diego, California. Travelers looking for cost-effective options and fewer crowds may consider traveling during this period.
How many daily flights are there between Denver to San Diego?
There are as many as 44 daily flights available for travelers between DEN to SAN. This data offers flexibility in choosing departure times that best suit your schedule.
Which is the busiest day for passengers flying between Denver to San Diego?
Monday are the busiest days for passengers flying between Denver to San Diego. Knowing the peak travel day can help you plan your trip to avoid overcrowded flights or airports.
At what time does the last flight depart to San Diego?
The last flight to San Diego typically departs between 10:00PM - 11:00PM. Travelers who prefer late-night departures will find this information valuable for planning their journey.
What percentage of travelers spent an average of 1 days in San Diego, California?
Approximately 42.7% of travelers spent an average of 1 days exploring San Diego. This information can assist in planning the duration of your stay in San Diego
What percentage of DEN to SAN flyers traveled with kids under 14?
About 6% of passengers on flights from Denver to San Diego were accompanied by children under the age of 14. This information is useful if you're planning a family trip and want to know how common it is to travel with young children on this route.
What percentage of Denver to San Diego travelers were over 60 years old?
A notable 12% of travelers were aged 60 or older. This statistic provides insights for senior travelers or those seeking a mature travel demographic.
What percentage of DEN to SAN travelers were millennials?
Millennials make up a significant portion of travelers on this route, accounting for 43% of all passengers. If you're a millennial looking to connect with like-minded travelers, this statistic might interest you.
What percentage of Denver to San Diego travelers were female?
Almost half of the passengers, approximately 51% were female. Knowing the gender distribution can be useful for solo female travelers or those interested in gender-related travel insights.
What percent of Denver to San Diego travellers booked first or business class?
11% of travelers booked first or business class on this route.
At what time the earliest flight departs from Denver?
The earliest flight departs at 7:00AM - 8:00AM.
On which days one can have the most flight options in San Diego?
Monday offer the most flight options in San Diego.
§
All flight facts are based on last 3 months' data except the highest and lowest booking months that are based on last 3 months' data.
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Cheap Flights from Denver to San Diego
Looking for flights from Denver to San Diego? Look no more, for you�re at the right place. Book cheap flights from Denver to San Diego on CheapOair and enjoy great discounts. Whether its leisure or a business trip, we offer the most competitive rates on flight tickets to destinations around the world. Grab DEN to SAN flight deals on CheapOair and save big! Hurry, our cheap rates are not going to last forever, so make your bookings right away!
Airports in Denver
Denver is served by Denver International Airport. The airport is located about 25 miles away from the city center. Denver International Airport offers flights to several destinations around the world such as London, Toronto, Los Angeles, Panama City, and more. There are numerous ground transportation options available to and from the airport including charter buses, hotel shuttles, commuter rail, limousine, public buses, mountain carriers, shared-ride services, and taxicabs.
Explore San Diego
San Diego is the oldest city in San Diego County. The city is situated on the coast of the Pacific Ocean in Southern California, US, about 120 miles away from Los Angeles. The city is close to the US-Mexico border. Founded in 1769, San Diego is characterized by immense natural beauty and a year-round near consistent sunny but pleasant weather. There are about 68 miles of beaches in and around the city for sunning and surfing. The city is home to the best of Spanish Colonial-style architecture in the region and also boasts many world-class museums and parks. Some of the popular names include San Diego Zoo, the Midway Aircraft Carrier Museum.
Things to do in San Diego
San Diego Zoo
San Diego Zoo is one of the largest and most famous zoos in the country. The zoo is located in Balboa Park and features many exotic animals, none more famous than in-house bred Pandas. It is built along a wide canyon and is flanked by hills. San Diego Zoo is famous for providing natural habitats to all its inmates.
Gaslamp Quarter National Historic District
Gaslamp Quarter National Historic District, located in downtown San Diego, features a mass of several restored late-19th- and early 20th-century Victorian buildings. It is a prominent shopping hotspot with its posh shops, elite restaurants, and top-notch art galleries.
San Diego Museum of Art
San Diego Museum of Art is home to many ornately designed and finely cut terracotta and silverworks. Visitors can see the busts of many noted Spanish painters here, whose artworks are put on display totaling the museum's collection of 7000-year-old ago artworks.
Best Time to Visit San Diego
Weather-wise, the best time to visit San Diego is from September to November. These months experience soothing weather apt for sightseeing.
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