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Good to Know: Cheapest and Fastest DEN - SAN Flights
Useful information for finding best airline tickets from Denver International to San Diego International on your next trip.
Cheapest Round Trip Flight
$377
Southwest Airlines
• nonstop
• 3h 45m
Jul 27 – Aug 01
The cheapest round trip flight from Denver to San Diego (DEN-SAN-DEN) is currently $377
Cheapest One way Flight
$273
Southwest Airlines
• 1 stop
• 15h 5m
Jul 21
The cheapest one way flight from Denver to San Diego (DEN-SAN) is currently $273
Cheapest Direct Flight
$377
Southwest Airlines
• nonstop
• 3h 45m
Jul 27
The cheapest nonstop flight from Denver to San Diego (DEN-SAN) is currently $377
Fastest Flight
3h 40m
The fastest nonstop flight from Denver to San Diego (DEN-SAN) takes 3h 40m
Top Airlines Flying from Denver to San Diego
Latest Flight Deals from Denver (DEN) to San Diego (SAN)
Compare and book low fare round-trip air tickets from Denver to San Diego. Ideal for travelers with confirmed return itineraries.
Jul 27 - Aug 01, Economy
Denver → San Diego
3h 45m
10:40 AM - 12:05 PM • nonstop
Denver → San Diego
3h 40m
7:50 AM - 11:10 AM • nonstop
Southwest Airlines
Jul 27 - Aug 01, Economy
Denver → San Diego
3h 40m
6:55 PM - 8:15 PM • nonstop
Denver → San Diego
3h 45m
2:05 PM - 5:30 PM • nonstop
Southwest Airlines
Jul 27 - Aug 01, Economy
Denver → San Diego
3h 40m
12:55 PM - 2:15 PM • nonstop
Denver → San Diego
7h 10m
7:15 AM - 12:45 PM • 1 stop
Southwest Airlines
Jul 27 - Aug 01, Economy
Denver → San Diego
5h 55m
8:35 PM - 11:30 PM • 1 stop
Denver → San Diego
3h 45m
9:25 PM - 12:50 AM • nonstop
Southwest Airlines
Jul 27 - Aug 01, Economy
Denver → San Diego
12h 28m
12:29 PM - 7:17 PM • 1 stop
Denver → San Diego
7h 12m
6:15 AM - 11:47 AM • 1 stop
Delta Airlines
Explore competitive one-way airfare options for DEN - SAN flights. Best suited for flexible or open-ended travel plans.
Flying to San Diego soon? We've surfaced some of the most affordable last-minute flights from Denver to San Diego, ideal for urgent plans or spontaneous trips.
Looking for the fastest way to San Diego? These direct flight options from DEN to SAN offer both convenience and value—no layovers, just straight to your destination.
Jul 27 - Aug 01, Economy
Denver → San Diego
3h 45m
10:40 AM - 12:05 PM • nonstop
Denver → San Diego
3h 40m
7:50 AM - 11:10 AM • nonstop
Southwest Airlines
Jul 27 - Aug 01, Economy
Denver → San Diego
3h 40m
6:55 PM - 8:15 PM • nonstop
Denver → San Diego
3h 45m
2:05 PM - 5:30 PM • nonstop
Southwest Airlines
Jul 27 - Aug 01, Economy
Denver → San Diego
3h 40m
12:55 PM - 2:15 PM • nonstop
Denver → San Diego
3h 45m
4:35 PM - 8:00 PM • nonstop
Southwest Airlines
Jul 27 - Aug 01, Economy
Denver → San Diego
3h 50m
9:50 PM - 11:20 PM • nonstop
Denver → San Diego
3h 45m
4:35 PM - 8:00 PM • nonstop
Southwest Airlines
Jul 27 - Aug 01, Economy
Denver → San Diego
3h 45m
7:05 AM - 8:30 AM • nonstop
Denver → San Diego
3h 45m
4:35 PM - 8:00 PM • nonstop
Southwest Airlines
FAQs on Denver to San Diego Flights
What are the airports in Denver?
DEN
What’s the most popular airline flying from DEN to SAN?
The most popular airline flying from Denver to San Diego are
Can I fly from DEN to SAN non-stop?
Yes, you can fly DEN to SAN non-stop on
Which airlines fly nonstop between Denver and San Diego?
The non-stop flights between Denver and San Diego are .
What’s the earliest departure time from DEN to SAN Airport?
The earliest flight leaves DEN at 7:05 am and lands in SAN - San Diego International
What are the airports in San Diego?
SAN
Can I make changes to my Denver to San Diego flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from DEN to SAN?
Read the fare rules of the Denver to San Diego air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Denver and San Diego?
operate flights between Denver and San Diego
How long does a flight from Denver to San Diego take?
It takes approximately 2 hour to fly non-stop from DEN to SAN, which is 852.82 miles by air.
Which airlines provide the cheapest flights from Denver (DEN) to San Diego (SAN) ?
In the past couple of days, the cheapest tickets to SAN from DEN were found on WN : USD 279
Do I need a passport to fly between DEN and SAN?
No
What’s the latest departure time from DEN to SAN ?
The last flight leaves DEN at 9:50 pm
Denver (DEN) to San Diego (SAN): Airport Information
| Origin Airport | Denver International , Denver, US |
| Destination Airport | San Diego International , San Diego, US |
| Distance | 853 miles |
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