Cheap flights Denver — San Diego (DEN — SAN)

Good to know - Cheap tickets Denver — San Diego

Cheapest flight found $23
Minimal flight time 2h 15m
Flight distance 1340 km
Most popular airline United Express

Airfare Denver – San Diego by month

Here you can find out in what months how much a ticket Denver – San Diego costs to buy cheap plane tickets.

Month One-way Round-trip
February 2026
January 2026
December 2025
October 2025
September 2025
August 2025
July 2025
June 2025
May 2025
April 2025
February 2025
January 2025

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights Denver — San Diego

Departure Arrival Flight days Flight Airlines Flight time Airports
06:10 07:55 mon, sun WN3028 Southwest Airlines 2h 45m Denver International Airport — San Diego International Airport Select dates
06:30 08:15 mon, tue, wed, sun WN3131 Southwest Airlines 2h 45m Denver International Airport — San Diego International Airport Select dates
06:35 08:20 thu WN1588 Southwest Airlines 2h 45m Denver International Airport — San Diego International Airport Select dates
06:55 08:40 sat WN1588 Southwest Airlines 2h 45m Denver International Airport — San Diego International Airport Select dates
07:40 09:34 thu AS3021 AlphaSky 2h 54m Denver International Airport — San Diego International Airport Select dates
07:40 09:34 sat AS3021 Alaska Airlines 2h 54m Denver International Airport — San Diego International Airport Select dates
07:45 09:20 daily UA2309 United Express 2h 35m Denver International Airport — San Diego International Airport Select dates
07:45 09:24 thu, fri, sat UA593 United Express 2h 39m Denver International Airport — San Diego International Airport Select dates
07:55 09:35 thu WN1589 Southwest Airlines 2h 40m Denver International Airport — San Diego International Airport Select dates
08:04 09:50 mon, tue, wed AS3021 Alaska Airlines 2h 46m Denver International Airport — San Diego International Airport Select dates
All routes

Sales of tickets from Denver to San Diego in the last 48 hours

Dynamics airfare Denver — San Diego by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Denver — San Diego

The graph shows that booking flights Denver — San Diego is best planned for June and flights Denver — San Diego — Denver in the month of December.

Flights Denver — San Diego

The selection of cheap flights Denver — San Diego

Here you can find and purchase the cheapest flights Denver — San Diego from $23 and Denver — San Diego — Denver from $42.

The price of the flight Denver — San Diego (United States) — Denver from $42 (round-trip).

The average price of the flight Denver — San Diego (United States) — Denver $216 (round-trip).

Low cost flights Denver — San Diego (DEN — SAN)

The distance between Denver and San Diego 833 miles (or 1340 kilometres).

The time difference between Denver and San Diego is 1 h.

Minimal flight time from Denver to San Diego 2h 15m.

LowCostClub always do a comparison of airfares Denver — San Diego with several airlines (include Southwest Airlines, AlphaSky, Alaska Airlines). They will always give you all available options so you can find the cheapest flight to San Diego. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Denver — San Diego. Last week, for instance, the cheapest round-trip prices stood at $42 while the cheapest one-way price that was available within the last week cost $23

Routes from nearby cities to San Diego

A flight from a neighbouring city can help you save money on plane tickets.

The most frequent flight to San Diego is from Aspen. The cheapest airfare can be purchased with a flight from Hayden from $118. The nearest airports from Denver with a flight to San Diego are in Gunnison.

Popular International routes from Denver

Popular routes from San Diego

If you are going to fly from San Diego, then study the popular flights. The most popular flights from San Diego:

Popular domestic routes from Denver

FAQ about Denver — San Diego

Yes, they do: WN3028, WN3131, WN1588, AS3021, UA2309, UA593, WN1589, JL61, F92817, WN4333, WN937, UA1940, AS1491, WN3144, WN4176, UA1302, UA3920, WN393, UA1281, F92711, WN1123, UA540, AS1428, WN206, UA1835, WN2161, F94989

Yes, you can fly from Denver to San Diego. Denver has 3 airports (Centennial Airport, Buffalo Municipal Airport, Denver International Airport) for flights. Southwest Airlines, AlphaSky, Alaska Airlines, United Express, Jet Linx Aviation, Frontier(Savannah the Yellow-Headed Amazon Livery) depart from Denver on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through 21 Air, Air Canada Express, American Airlines, Breeze Airways, British Airways, Contour Aviation, Copa Airlines, Delta Air Lines, DHL, FedEx, Japan Airlines, JetBlue, JSX, Lufthansa (Star Alliance Livery), NetJets, Phoenix Air, SkyWest Airlines, UPS, Volaris, WestAir Charter.

A direct flight lasts an average of 2h 15m, during which time the aircraft covers a distance of 1340 km.

The price of flights Denver — San Diego starts from $23.

Planes fly Denver — San Diego 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In Denver — Centennial Airport, Buffalo Municipal Airport, Denver International Airport. In San Diego — Montgomery Field, Miramar MS, North Island NAS, San Diego International Airport, Brown Field Municipalcipal, Gillespie Field, McClellan-Palomar Airport.

The following flights fly between Denver and San Diego: WN3028, WN3131, WN1588, WN1588, AS3021, AS3021, UA2309, UA593, WN1589, AS3021, JL61, WN1589, WN1589, WN3028, F92817, F92817, WN4333, F92817, WN937, WN4333, WN937, WN4333, UA1940, UA1940, WN1589, AS1491, WN3144, WN4176, WN4176, AS1491, UA1302, UA1302, WN3131, UA3920, WN393, UA1281, UA1281, WN3131, F92711, F92711, WN1123, F92711, WN393, UA540, WN393, AS1428, F92711, WN4176, WN206, UA1835, UA1835, F92711, F92711, F92711, WN2161, F94989

High season is considered to be July and the cheapest month is June. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Denver — San Diego flight deals.

The following airlines have direct flights Denver — San Diego: Southwest Airlines, AlphaSky, Alaska Airlines, United Express, Jet Linx Aviation, Frontier(Savannah the Yellow-Headed Amazon Livery).

All the following airlines flights Denver — San Diego: 21 Air, Air Canada Express, Alaska Airlines, AlphaSky, American Airlines, Breeze Airways, British Airways, Contour Aviation, Copa Airlines, Delta Air Lines, DHL, FedEx, Frontier(Savannah the Yellow-Headed Amazon Livery), Japan Airlines, Jet Linx Aviation, JetBlue, JSX, Lufthansa (Star Alliance Livery), NetJets, Phoenix Air, SkyWest Airlines, Southwest Airlines, United Express, UPS, Volaris, WestAir Charter.

Low price calendar

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