S$ 19 Cheap Flights from Denver to San Diego (DEN-SAN)

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Cheap Flights from Denver to San Diego

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Cheap Flights from Denver to San Diego starting at S$ 19

Book one-way or return flights from Denver to San Diego from as little as S$ 19. Choose from the popular airlines below and book your flight today!

One way
Round-trip

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

Searching for the best last minute flight from Denver to San Diego? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Denver to San Diego. Stay updated on price trends and snag the best deals for your upcoming trip.

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

Cheapest Airlines flying from Denver to San Diego

View airlines operating 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 S$ 19

Delta Air Lines

From S$ 102

American Airlines

From S$ 119

Sun Country Airlines

From S$ 122

United Airlines

From S$ 126

Southwest Airlines

From S$ 159

Alaska Airlines

From S$ 266

ANA airlines

Find more flights and airlines

Alternative Routes from Denver to San Diego

Discover different routes, airlines, and transfers and find the best alternative flights for your journey 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
S$ 19
DEN
16:32
2h 30m
Direct
SAN
18:02
Denver International Airport - San Diego International Airport
Sat, May 18Frontier Airlines
S$ 19
Find More Flights

Frequently Asked Questions

When to buy flight tickets from Denver (DEN) to San Diego (SAN) the cheapest?
Airlines adjust prices for flights from Denver to San Diego based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Denver (DEN) to San Diego (SAN) cost?
According to Trip.com's data, the lowest price is around S$ 322.
How long is a flight from Denver (DEN) to San Diego (SAN)?
It takes about 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, by taxi about 20 minutes.
What time does the earliest flight from Denver to San Diego depart?
The earliest flight departs from Denver (DEN) at 06:35 and arrives in San Diego (SAN) at 08:17.
What time does the latest flight from Denver to San Diego depart?
The latest flight departs from Denver (DEN) at 21:05 and arrives in San Diego (SAN) at 22:32.
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, United Airlines and Volaris.
What's the most popular airline for direct flights from Denver (DEN) to San Diego (SAN)?
Frontier Airlines operates 1 direct flights from Denver (DEN) to San Diego (SAN).
How many airports in San Diego?
There are 7 airports near San Diego: San Diego International Airport, McClellan-Palomar Airport, San Diego Montgomery Field, Miramar Naval Air Station, North Island Naval Air Station, San Diego Brown Municipal Airport and San Diego Gillespie Field.

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

Flight Information from Denver to San Diego

Cheapest direct flight price	S$ 19
Cheapest return ticket price	S$ 49
Cheapest month	May
Peak season for travel	October
Flight distance	1,371.45km
Average flight time	2 hours 44 minutes
Popular airline	Alaska Airlines