Denver (DEN) → San Diego (SAN)
About Denver to San Diego Flights
Discover the best flights from Denver to San Diego, covering 1,371 km in approximately 2h 13m. Denver (DEN) to San Diego (SAN) is one of the busy short-haul routes within United States. With 4 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Denver to San Diego.
12-Month Price History
Flight prices from Denver to San Diego vary significantly throughout the year. February typically offers the best deals with average prices around $217, while August sees the highest prices, averaging $358. Savvy travelers can save up to 39% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
August
Peak season pricing
Book in Advance
56 days
For best prices
Booking Tips
For the best prices on Denver to San Diego flights, we recommend booking 33 days in advance. Domestic flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Frontier Airlines F9 | $350 | - | - |
Southwest Airlines WN | $410 | - | - |
SkyWest Airlines OO | $490 | $1750 | $2760 |
United Airlines UA | $550 | $1870 | $2620 |
Frontier Airlines
F9
Economy
$350
Business
-
First
-
Southwest Airlines
WN
Economy
$410
Business
-
First
-
SkyWest Airlines
OO
Economy
$490
Business
$1750
First
$2760
United Airlines
UA
Economy
$550
Business
$1870
First
$2620
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Denver → Los Angeles
Denver International (DEN) to Los Angeles International (LAX)
Distance: 1,385 km
Average price: $308
Denver → Tijuana
Denver International (DEN) to Tijuana International (TIJ)
Distance: 1,369 km
Average price: $397
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Frequently Asked Questions
How long is the flight from Denver to San Diego?
The flight time from Denver (DEN) to San Diego (SAN) is approximately 2 hours and 13 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Denver and San Diego?
The aerial distance between Denver and San Diego is 1,371 kilometers (852 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Denver to San Diego?
Several airlines operate flights between Denver and San Diego, including United Airlines, Southwest Airlines, Frontier Airlines and 1 more airlines. Direct flights are available on this route.
What is the cheapest month to fly from Denver to San Diego?
Based on historical data, February typically offers the lowest airfares for flights from Denver to San Diego. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to San Diego?
For the best prices on Denver to San Diego flights, we recommend booking 36 days in advance. Domestic flights can sometimes offer good last-minute deals, but advance booking is usually cheaper.
Do I need a visa to travel from Denver to San Diego?
Visa requirements depend on your nationality and the purpose of your visit. Since this is a domestic flight, no visa is required for citizens.
What is the time difference between Denver and San Diego?
Denver operates on America/Denver time zone, while San Diego is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.