Cheap flights from San Diego to Denver
Choose between Southwest Airlines, United Airlines, or Frontier Airlines to find the best price
Travelers usually depart from San Diego International, San Diego bus station, San Diego Old Town station, San Diego-La Jolla, or San Diego-Balboa Park when they travel from San Diego to Denver. Book your trip to arrive at Denver International, Denver Union Station, or Denver Greyhound station. The distance between San Diego and Denver is 1372 km. The most popular airlines for this route are Southwest Airlines, United Airlines, Frontier Airlines, Delta Air Lines, and Alaska Airlines. San Diego and Denver have 195 direct flights per week.
Cheap one-way trips starting from $ 40 from San Diego SAN to Denver DEN
San Diego International
Denver International
One-way,
From $ 40
San Diego International
Denver International
One-way,
From $ 40
San Diego International
Denver International
One-way,
From $ 40
San Diego International
Denver International
One-way,
From $ 40
San Diego International
Denver International
One-way,
From $ 40
San Diego International
Denver International
One-way,
From $ 40
Weekly flights
| Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
|---|---|---|---|---|---|---|---|
| Number of flights | 49 | 37 | 34 | 33 | - | 20 | 22 |
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 San Diego to Denver
| Name | Carrier code | IATA Code | Passport needed during booking | Airport check-in closes | Online check-in available |
|---|---|---|---|---|---|
| Southwest Airlines | 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 San Diego to Denver?
A one-way nonstop (direct) flight between San Diego and Denver takes around 2.4 hours.
What is the flight distance between San Diego and Denver?
The flight distance between San Diego and Denver is 1372 km.
What airlines offer nonstop (direct) flights between San Diego and Denver?
Several carriers operate flights between San Diego and Denver. Airlines offering nonstop (direct) flights include Frontier Airlines, United Airlines, Southwest Airlines.
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, Denver International, San Francisco International, George Bush Intercontinental, Seattle–Tacoma International, Phoenix Sky Harbor International, Tampa International, O Hare International, Minneapolis–Saint Paul International, Salt Lake City International.
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, Miami International, Newark Liberty International, Phoenix Sky Harbor International, Seattle–Tacoma International, Minneapolis–Saint Paul International, O Hare International, Salt Lake City International, Philadelphia International, Austin–Bergstrom International.
Which airports are there in San Diego?
San Diego is mainly served by San Diego International. But there are other airports nearby, including Marine Corps Air Station Miramar, McClellan–Palomar.
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 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 buses and trains depart from San Diego?
A number of bus and train companies depart from San Diego, including Amtrak train.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Diego and Denver?
What is Virtual Interlining and how do I use it?
Which airlines fly between San Diego and Denver?
When's the best time to travel between San Diego and Denver?
What flights operate between San Diego and Denver?
How many airports are there near San Diego?
How many airports are there near Denver?
Is it possible to reach San Diego by bus or train?
What time do nonstop (direct) flights between San Diego and Denver depart?
What time do nonstop (direct) flights between San Diego and Denver arrive?
What time do flights between San Diego and Denver depart?
What time do flights between San Diego and Denver 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 San Diego
- Flights from San Diego to McCarran International
- Flights from San Diego to Miami International
- Flights from San Diego to Denver International
- Flights from San Diego to San Francisco International
- Flights from San Diego to George Bush Intercontinental
- Flights from San Diego to Seattle–Tacoma International
- Flights from San Diego to Phoenix Sky Harbor International
- Flights from San Diego to Tampa International
- Flights from San Diego to O Hare International
- Flights from San Diego to Minneapolis–Saint Paul International
- Flights from San Diego to Salt Lake City International
Flights to Denver
- Flights from Los Angeles International to Denver
- Flights from McCarran International to Denver
- Flights from Miami International to Denver
- Flights from Newark Liberty International to Denver
- Flights from Phoenix Sky Harbor International to Denver
- Flights from Seattle–Tacoma International to Denver
- Flights from Minneapolis–Saint Paul International to Denver
- Flights from O Hare International to Denver
- Flights from Salt Lake City International to Denver
- Flights from Philadelphia International to Denver
- Flights from Austin–Bergstrom International to Denver
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