San Diego to Denver Flight Route Information
| Travel Distance: | 852 Miles |
|---|---|
| Airlines Flying This Route: | Frontier Airlines, United Airlines, Southwest Airlines |
| Weekly Flights: | 332 |
| Avg. Flight Duration: | 2.21 Hours |
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10/27/2026 Find Cheap Flights from San Diego to Denver (SAN to DEN)
SAN - San Diego DEN - Denver 
Find Cheap Flights from San Diego to Denver (SAN to DEN)
Fares Starting from $68
SAN - San Diego DEN - Denver 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:agtUynnwpk6fWW94MPkr2w
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Cheap Flights from San Diego to Denver - Compare & Book Our Best Deals
With over 44 daily departures from San Diego to Denver, this route offers great flexibility for different travel plans. Browse one-way fares from $67.98, round-trip fares from $124.98, and other affordable options across different budgets. Compare flight choices, explore schedules, and book the best San Diego to Denver deals that fit your budget and travel preferences.
Top Airlines that fly from San Diego to Denver
Cheap Flight Deals from San Diego to Denver
SAN San Diego Tue, Oct 27
DEN Denver
from $68
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SAN San Diego Thu, Dec 17
DEN Denver
from $83
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SAN San Diego Thu, Jan 7
DEN Denver
from $83
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SAN San Diego Sun, Dec 6
DEN Denver
from $83
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SAN San Diego Sat, Oct 24
DEN Denver
from $83
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SAN San Diego Wed, Oct 28
DEN Denver
from $83
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SAN San Diego Wed, Nov 4
DEN Denver
from $83
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SAN San Diego Tue, Nov 10
DEN Denver
from $83
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SAN San Diego Sat, Oct 31
DEN Denver
from $83
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SAN San Diego Tue, Nov 17
DEN Denver
from $83
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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:agtUynnwpk6fWW94MPkr2w
Insights about cheap flights from San Diego to Denver – 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 San Diego to Denver and enhance your travel experience!
Daily Flights
44
Cheapest Month
April
Avg. Flight Duration
2.21
Peak Season
November
Distance
852 miles
Direct Flights
1325
When is the Cheapest Time to Book Flights from SAN to DEN?
Explore data-powered insights and trends for flights from San Diego to Denver. Discover average fares, cheap months to fly, when to book, and plan smarter.
What’s the cheapest day of the week to fly from San Diego to Denver?‡
What is the cheapest month to fly from San Diego to Denver?‡
‡This information is based on historical data from the last 365 days.
Finding Affordable Flights from San Diego to Denver
- Plan Ahead - One of the keys to securing cheap flights from San Diego to Denver 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 San Diego to Denver drop, giving you the opportunity to grab cheap deals.
- Consider Nearby Airports - If Denver 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 SAN to DEN? ‡
‡Got flexible travel dates? Use our flight data from the past year to discover ideal time to fly from San Diego to Denver. 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 San Diego to Denver
Which is the high season to travel from San Diego to Denver?
The month of November is considered the high season for flying from SAN to DEN. 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 SAN to DEN?
There are a total of 1325 direct flights from San Diego to Denver. For travelers seeking convenience and shorter travel times, this data is important when choosing flight options.
Which is the low season to travel from San Diego to Denver?
April is considered the low season for traveling from San Diego to Denver, Colorado. Travelers looking for cost-effective options and fewer crowds may consider traveling during this period.
How many daily flights are there between San Diego to Denver?
There are as many as 44 daily flights available for travelers between SAN to DEN. This data offers flexibility in choosing departure times that best suit your schedule.
Which is the busiest day for passengers flying between San Diego to Denver?
Monday are the busiest days for passengers flying between San Diego to Denver. Knowing the peak travel day can help you plan your trip to avoid overcrowded flights or airports.
What percentage of travelers spent an average of 1 days in Denver, Colorado?
Approximately 44.9% of travelers spent an average of 1 days exploring Denver. This information can assist in planning the duration of your stay in Denver
What percentage of SAN to DEN flyers traveled with kids under 14?
About 6% of passengers on flights from San Diego to Denver 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 San Diego to Denver travelers were over 60 years old?
A notable 11% of travelers were aged 60 or older. This statistic provides insights for senior travelers or those seeking a mature travel demographic.
What percentage of SAN to DEN travelers were millennials?
Millennials make up a significant portion of travelers on this route, accounting for 45% of all passengers. If you're a millennial looking to connect with like-minded travelers, this statistic might interest you.
What percentage of San Diego to Denver travelers were female?
Almost half of the passengers, approximately 50% were female. Knowing the gender distribution can be useful for solo female travelers or those interested in gender-related travel insights.
What percent of San Diego to Denver 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 San Diego?
The earliest flight departs at 6:00AM - 7:00AM.
Which is the most popular airport for connecting flights between San Diego to Denver?
San Francisco International Airport is the most popular airport for connecting flights between SAN to DEN.
On which days one can have the most flight options in Denver?
Monday offer the most flight options in Denver.
§
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 San Diego to Denver
Flights from San Diego to Denver
Looking for flights from San Diego to Denver? Look no more, for you're at the right place. Book cheap flights from San Diego to Denver 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 SAN to DEN flight deals and save big!
Airports in San Diego
The city of San Diego is served by the San Diego International Airport (formerly known as Lindbergh Field). This airport is situated at a distance of around 4.8 kilometers away from the San Diego city center, California, U.S.A. It offers passenger & cargo services to both domestic and international destinations. These include Vancouver, Toronto, Baltimore, Los Angeles, Austin, London, Tokyo, Salt Lake City, New York, Las Vegas, Atlanta, Denver, San Francisco, and more. Passengers can easily commute to and from the airport using taxis, rental cars, ride share, shuttles, and bikes.
Explore Denver
Denver is the capital and most populous municipality of the U.S. state of Colorado. Nicknamed the Mile High City for its official elevation of one mile above sea level, it is the country's highest located major city. The state of Colorado produces the largest annual production of beer and Denver is home to several top-class local and national breweries. This city also hosts the annual Great American Beer Festival each fall and attracts thousands of beer lovers from all parts of the world.
Things to do in Denver
Great American Beer Festival
Started in 1982, the Great American Beer Festival is a 3-day annual event held every fall in Denver. It is famous as the one-point destination to taste thousands of different American craft beers. The Great American Beer Festival is the largest ticketed beer festival in the United States.
Denver Botanic Gardens
The Denver Botanic Gardens, a public botanical garden near Denver, is a scenic 23-acre park that features a conservatory and several theme-based gardens. This garden is home to North America's largest collection of plants from cold temperate climates around the world.
American Museum of Western Art - The Anschutz Collection
The American Museum of Western Art - The Anschutz Collection is a non-profit museum and the permanent home for a formerly private collection of paintings (called The Anschutz Collection). This museum features several American West artworks dating back to early 19th century.
Best Time to Fly to Denver
The best times to fly to Denver are the summer and autumn season that run from June to August and September to October respectively. The city is immersed in its cultural festivals like A Taste of Colorado, Oktoberfest on Larimer Square, and the Great American Beer Festival during this time of the year.
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