Cheap flights from Denver to San Diego
Choose between WN, United Airlines, or Frontier Airlines to find the best price
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Cheapest one-way trip
£31
Cheapest nonstop round-trip
£63
Cheapest round-trip
£47
Average round-trip
£85
Most popular airline
WN
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1372 km
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Travelers usually depart from Denver International, Denver Union Station, Denver Greyhound station, Denver, CO - Federal Center Station, or Denver, CO - Colorado Park & Ride when they travel from Denver to San Diego. Book your trip to arrive at San Diego International, San Diego, CA - Old Town, San Diego, CA Bus Station, San Diego, CA - Santa Fe, or San Diego-La Jolla. The distance between Denver and San Diego is 1372 km. The most popular airlines for this route are WN, United Airlines, Frontier Airlines, Delta Air Lines, and Alaska Airlines. Denver and San Diego have 112 direct flights per week.
Weekly flights
| Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
|---|---|---|---|---|---|---|---|
| Number of flights | 18 | 16 | 15 | 24 | - | 19 | 20 |
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.
WN 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 |
|---|---|---|---|---|---|
| WN | SWA | WN | No | Unknown | No |
| United Airlines | UAL | UA | Yes | Unknown | No |
| Frontier Airlines | FFT | F9 | No | Unknown | No |
| Delta Air Lines | DAL | DL | Yes | Unknown | No |
| Alaska Airlines | ASA | AS | Yes | Unknown | 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, WN.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and McCarran International, Miami International, Phoenix Sky Harbor International, San Francisco International, Dallas/Fort Worth International, Ronald Reagan Washington National, Salt Lake City International, San Antonio International, Minneapolis–Saint Paul International, Sacramento International, John Wayne.
What are the most popular routes to and from San Diego?
Travelers frequently search for route combinations, such as San Diego and McCarran International, Denver International, Phoenix Sky Harbor International, San Francisco International, O Hare International, Ronald Reagan Washington National, Nashville International, Oakland International, Tucson International, El Paso International, Des Moines 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, Eagle County Regional, Laramie Regional, Cheyenne Regional, Pueblo Memorial.
What airports are near San Diego?
The main airport in San Diego is San Diego International. It is also served by Los Angeles International, Tijuana International, Ontario International, John Wayne, Mexicali International, Hollywood Burbank, Palm Springs International, Long Beach, Imperial County, Yuma International.
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.
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Flights from Denver
- Flights from Denver to McCarran International
- Flights from Denver to Miami International
- Flights from Denver to Phoenix Sky Harbor International
- Flights from Denver to San Francisco International
- Flights from Denver to Dallas/Fort Worth International
- Flights from Denver to Ronald Reagan Washington National
- Flights from Denver to Salt Lake City International
- Flights from Denver to San Antonio International
- Flights from Denver to Minneapolis–Saint Paul International
- Flights from Denver to Sacramento International
- Flights from Denver to John Wayne
Flights to San Diego
- Flights from McCarran International to San Diego
- Flights from Denver International to San Diego
- Flights from Phoenix Sky Harbor International to San Diego
- Flights from San Francisco International to San Diego
- Flights from O Hare International to San Diego
- Flights from Ronald Reagan Washington National to San Diego
- Flights from Nashville International to San Diego
- Flights from Oakland International to San Diego
- Flights from Tucson International to San Diego
- Flights from El Paso International to San Diego
- Flights from Des Moines International to San Diego
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