Cheap Flight Tickets from Denver (DEN) to San Diego (SAN), Starting at $114

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

$114

WN Southwest Airlines • 1 stop • 5h

Aug 28 – Aug 30

The cheapest round trip flight from Denver to San Diego (DEN-SAN-DEN) is currently $114

🔍 Search Flights

Cheapest Direct Flight

$261

WN Southwest Airlines • nonstop • 3h 45m

Aug 27

The cheapest nonstop flight from Denver to San Diego (DEN-SAN) is currently $261

🔍 Search Flights

Fastest Flight

3h 30m

The fastest nonstop flight from Denver to San Diego (DEN-SAN) takes 3h 30m

Top Airlines Flying from Denver to San Diego

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

Sun Country Airlines (SY)

Sun Country Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

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.

Aug 28 - Aug 30, Economy
WN
Denver → San Diego
5h
2:15 PM - 6:00 PM • 1 stop
WN
Denver → San Diego
7h 20m
9:50 AM - 3:05 PM • 1 stop
$114
Southwest Airlines
Aug 28 - Aug 30, Economy
WN
Denver → San Diego
3h 30m
9:15 AM - 12:25 PM • 1 stop
WN
Denver → San Diego
7h 20m
9:50 AM - 3:05 PM • 1 stop
$114
Southwest Airlines
Aug 27 - Aug 29, Economy
WN
Denver → San Diego
5h 15m
8:10 AM - 12:35 PM • 1 stop
WN
Denver → San Diego
5h 20m
6:20 AM - 12:10 PM • 1 stop
$254
Southwest Airlines
Aug 27 - Aug 29, Economy
WN
Denver → San Diego
3h 45m
5:20 PM - 6:45 PM • nonstop
WN
Denver → San Diego
3h 45m
10:45 AM - 2:10 PM • nonstop
$261
Southwest Airlines
Aug 27 - Aug 29, Economy
UA
Denver → San Diego
15h 17m
5:00 AM - 1:17 PM • 1 stop
UA
Denver → San Diego
6h 55m
2:24 PM - 7:39 PM • 1 stop
$302
United Airlines
Aug 27 - Aug 29, Economy
AS
Denver → San Diego
16h 42m
8:08 AM - 5:10 PM • 2 stops
AS
Denver → San Diego
10h 47m
6:15 AM - 2:02 PM • 1 stop
$363
Alaska Airlines

Fly from Denver to San Diego with the Best Airfare Deals on FareLeaders

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.

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 5:00 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 254
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 7:2500 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

More Flight Options for Denver (DEN) and San Diego (SAN)

Why Fareleaders for DEN to SAN Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Denver to San Diego flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on DEN to SAN flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Denver to San Diego flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Denver (DEN) to San Diego (SAN)
Terms and Conditions*