Cheap flights from Denver to San Diego
Choose between Southwest Airlines, Frontier Airlines, or United Airlines to find the best price
Travelers usually depart from Denver International, Denver Union Station, or Denver Greyhound station when they travel from Denver to San Diego. Book your trip to arrive at San Diego International, San Diego bus station, San Diego Old Town station, San Diego-La Jolla, or San Diego-Balboa Park. The distance between Denver and San Diego is 1372 km. The most popular airlines for this route are Southwest Airlines, Frontier Airlines, United Airlines, American Airlines, and Spirit Airlines. Denver and San Diego have 212 direct flights per week.
Cheap one-way trips starting from $ 44 from Denver DEN to San Diego SAN
Denver International
San Diego International
One-way,
From $ 44
Denver International
San Diego International
One-way,
From $ 44
Denver International
San Diego International
One-way,
From $ 44
Denver International
San Diego International
One-way,
From $ 44
Denver International
San Diego International
One-way,
From $ 44
Denver International
San Diego International
One-way,
From $ 44
Weekly flights
| Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
|---|---|---|---|---|---|---|---|
| Number of flights | 37 | 26 | 48 | 45 | - | 31 | 25 |
Fly direct with
Frontier Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Southwest Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from Denver to San Diego
| Name | Carrier code | IATA Code | Passport needed during booking | Airport check-in closes | Online check-in available |
|---|---|---|---|---|---|
| Southwest Airlines | SWA | WN | No | Unknown | No |
| Frontier Airlines | FFT | F9 | No | Unknown | No |
| United Airlines | UAL | UA | Yes | Unknown | No |
| American Airlines | AAL | AA | Yes | Unknown | No |
| Spirit Airlines | NKS | NK | No | 10 min before flight | No |
Frequently asked questions
How long does it take to travel from Denver to San Diego?
A one-way nonstop (direct) flight between Denver and San Diego takes around 2.4 hours.
What is the flight distance between Denver and San Diego?
The flight distance between Denver and San Diego is 1372 km.
What airlines offer nonstop (direct) flights between Denver and San Diego?
Several carriers operate flights between Denver and San Diego. Airlines offering nonstop (direct) flights include Frontier Airlines, United Airlines, Southwest Airlines.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and Los Angeles International, McCarran International, Newark Liberty International, Fort Lauderdale–Hollywood International, Dallas/Fort Worth International, Phoenix Sky Harbor International, Minneapolis–Saint Paul International, O Hare International, Salt Lake City International, Austin–Bergstrom International, Detroit Metropolitan.
What are the most popular routes to and from San Diego?
Travelers frequently search for route combinations, such as San Diego and McCarran International, Miami International, Fort Lauderdale–Hollywood International, Denver International, San Francisco International, Phoenix Sky Harbor International, Seattle–Tacoma International, Tampa International, Minneapolis–Saint Paul International, O Hare International, Salt Lake City International.
Which airports are there in Denver?
Denver is mainly served by Denver International. But there are other airports nearby, including Rocky Mountain Metropolitan Airport, Centennial Airport.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Colorado Springs, Laramie Regional, Pueblo Memorial, Eagle County Regional, Cheyenne Regional.
What airports are near San Diego?
The main airport in San Diego is San Diego International. It is also served by Tijuana International, John Wayne, Hollywood Burbank, Ontario International, Mexicali International, Palm Springs International, Long Beach, Imperial County, Yuma International, Cable.
What buses and trains depart from Denver?
A number of bus and train companies depart from Denver, including Greyhound.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Denver and San Diego?
What is Virtual Interlining and how do I use it?
Which airlines fly between Denver and San Diego?
When's the best time to travel between Denver and San Diego?
What flights operate between Denver and San Diego?
How many airports are there near Denver?
How many airports are there near San Diego?
Is it possible to reach Denver by bus or train?
What time do nonstop (direct) flights between Denver and San Diego depart?
What time do nonstop (direct) flights between Denver and San Diego arrive?
What time do flights between Denver and San Diego depart?
What time do flights between Denver and San Diego arrive?
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative destinations
Flights from Denver
- Flights from Denver to Los Angeles International
- Flights from Denver to McCarran International
- Flights from Denver to Newark Liberty International
- Flights from Denver to Fort Lauderdale–Hollywood International
- Flights from Denver to Dallas/Fort Worth International
- Flights from Denver to Phoenix Sky Harbor International
- Flights from Denver to Minneapolis–Saint Paul International
- Flights from Denver to O Hare International
- Flights from Denver to Salt Lake City International
- Flights from Denver to Austin–Bergstrom International
- Flights from Denver to Detroit Metropolitan
Flights to San Diego
- Flights from McCarran International to San Diego
- Flights from Miami International to San Diego
- Flights from Fort Lauderdale–Hollywood International to San Diego
- Flights from Denver International to San Diego
- Flights from San Francisco International to San Diego
- Flights from Phoenix Sky Harbor International to San Diego
- Flights from Seattle–Tacoma International to San Diego
- Flights from Tampa International to San Diego
- Flights from Minneapolis–Saint Paul International to San Diego
- Flights from O Hare International to San Diego
- Flights from Salt Lake City International to San Diego
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