Search & Compare - Denver to San Diego Flights & Tickets

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

Looking for a cheap last-minute deal or the best round-trip flight from Denver to San Diego? Find the biggest savings on one-way and round-trip tickets right here.

Good to know

Useful information for finding cheap flights from Denver International to San Diego International and booking your next trip

Cheapest Round Trip Flight

$271

WN Southwest Airlines • 1 stop • 7h 35m

Jun 30 – Jul 06

The cheapest round trip flight from Denver International to San Diego International is currently $271

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Cheapest One way Flight

$233

WN Southwest Airlines • 1 stop • 8h 40m

Jun 30

The cheapest one way flight from Denver International to San Diego International is currently $233

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Cheapest Direct Flight

$229

F9 Frontier Airlines • nonstop •

Jun 30

The cheapest nonstop flight from Denver International to San Diego International is currently $229

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Fastest Flight

3h 44m

The fastest nonstop flight from Denver International to San Diego International takes 3h 44m

Recent airfare deals on Denver to San Diego

Jun 30 - Jul 06, Economy
WN
Denver → San Diego
7h 35m
2:45 PM - 6:40 PM • 1 stop
WN
Denver → San Diego
9h
6:20 PM - 1:00 AM • 1 stop
$271
Southwest Airlines
Jun 30 - Jul 06, Economy
WN
Denver → San Diego
8h 50m
2:45 PM - 7:15 PM • 1 stop
WN
Denver → San Diego
9h
6:20 PM - 1:00 AM • 1 stop
$271
Southwest Airlines
Jun 30 - Jul 06, Economy
WN
Denver → San Diego
9h 10m
2:45 PM - 7:35 PM • 1 stop
WN
Denver → San Diego
9h
6:20 PM - 1:00 AM • 1 stop
$271
Southwest Airlines
Jun 30 - Jul 06, Economy
WN
Denver → San Diego
5h 15m
2:45 PM - 7:15 PM • 1 stop
F9
Denver → San Diego
3h 57m
6:25 AM - 10:02 AM • nonstop
$532
Southwest Airlines
Jun 30 - Jul 06, Economy
WN
Denver → San Diego
5h 15m
2:45 PM - 8:55 PM • 1 stop
F9
Denver → San Diego
3h 57m
6:25 AM - 10:02 AM • nonstop
$532
Southwest Airlines
Jun 30 - Jul 06, Economy
WN
Denver → San Diego
5h 5m
3:00 PM - 9:15 PM • 1 stop
F9
Denver → San Diego
3h 57m
6:25 AM - 10:02 AM • nonstop
$538
Southwest Airlines

Facts to know while booking flights from Denver to San Diego

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 2:45 pm 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 ('AS') : USD 252
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 6:1000 pm

Essential Information for Booking Flights from Denver (DEN) - AI Insights

What's the cheapest airline from den to san?
Frontier Airlines (F9) offers the most affordable options from Denver to San Diego, with fares starting around $287 for a one-way ticket.
What's the popular airline to fly from den to san?
United Airlines (UA) offers popular routes from Denver to San Diego, with a focus on affordable travel.
What's the cheapest day of the week to fly from den to san?
Wednesday is a good day to fly from Denver to San Diego, offering the lowest fares.
What's the cheapest month to fly from den to san?
March offers the most affordable fares from Denver to San Diego for one person traveling in Economy class.
What is Frontier Airlines known for?
Frontier Airlines is a budget airline that focuses on offering low fares and a simple travel experience.
Which airline offers the most flights from Denver to San Diego?
United Airlines (UA) offers the most flights from Denver to San Diego.
What’s the best time to travel for the cheapest airline tickets?
Traveling on Wednesdays is often associated with lower airfare prices.
What month typically has the lowest airline fares?
March is generally considered to be the month with the lowest airline fares.
What is the primary focus of fareleaders?
Fareleaders is an airfare comparison website designed to help travelers find the cheapest airline tickets for their next trip.

Flights from Denver to San Diego

Origin Airport Denver International , Denver, US
Destination Airport San Diego International , San Diego, US
Distance miles

Popular Airlines

Southwest Airlines-WN
Delta Airline, DL
United Airlines, UA
American Airlines, AA
Hawaiian Airlines-HA
Alaska Airlines -AS

Popular Origin & Destination

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