$14 Find Cheap Flights from Denver to San Diego

Flights from Denver to San Diego

Hotels in San Diego

Worldwide Coverage

Flights to over 5,000 cities

One-stop Service Guarantee

Price guaranteed upon confirmed payment, booking guaranteed once tickets issued

Secure Payment

Convenient & reliable booking and payment system

Flights from Denver to San Diego Starting at $14

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Denver to San Diego?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from Denver to San Diego

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From $29

Delta Air Lines

From $87

Alaska Airlines

From $99

United Airlines

From $103

Sun Country Airlines

From $110

Southwest Airlines

From $117

American Airlines

From $118

ANA airlines

Find more flights and airlines

Alternative Cheap Routes from Denver to San Diego

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Denver to San Diego.

Cheapest
DEN
16:32
2h 30m
Direct
SAN
18:02
Denver International Airport - San Diego International Airport
Sat, May 18Frontier Airlines
$29
DEN
16:32
2h 30m
Direct
SAN
18:02
Denver International Airport - San Diego International Airport
Sat, May 18Frontier Airlines
$29
Find More Flights

Frequently Asked Questions

When are flight tickets from Denver (DEN) to San Diego (SAN) the cheapest?
Airlines adjust prices for flights from Denver to San Diego based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Denver (DEN) to San Diego (SAN) cost?
According to Trip.com's data, the lowest price is around $228.
How long does it take to fly from Denver (DEN) to San Diego (SAN) and what is the distance?
It takes around 2 hours 44 minutes to fly from Denver (DEN) to San Diego (SAN).
What is the transportation method from the main airport to downtown in San Diego?
- The distance from San Diego International Airport to downtown is about 3km. It takes about 20 minutes by taxi.
What are the most popular airlines that fly from Denver (DEN) to San Diego (SAN)?
Airlines with flights from Denver (DEN) to San Diego (SAN): Southwest Airlines, Volaris and United Airlines.

How to find a cheap flight from Denver to San Diego

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Denver to San Diego. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Travel Info | Denver to San Diego

Cheapest nonstop flight price	$14
Cheapest round-trip ticket price	$27
Off-season for travel	May
Peak season for travel	July
Flight distance	1,371.45km
Average flight time	2 hours 44 minutes
Popular airline	American Airlines