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Direct flights from San Diego to Denver

Did you mean Flights from Denver to San Diego?

Flightmap/Flights from SAN/SAN to DEN

San Diego

United States

SAN

San Diego International Airport

Denver

United States

DEN

Denver International Airport

Route
Nonstop service available
Distance
852 miles
Marketing airlines
9 airlines
Aircraft
12 aircraft types
Dates
Oct 19, 2026 – Oct 14, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

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Explore these airports and cities

  • Flights from SAN
  • Flights to DEN

San Diego to Denver route overview

San Diego International Airport (SAN) serves San Diego; Denver International Airport (DEN) serves Denver.

The airports are 852 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from SAN to DEN.

Marketing airlines listed in the current schedule, including codeshare sellers, are Air Canada (AC), Alaska Airlines (AS), Copa Airlines (CM), Frontier Airlines (F9), Lufthansa (LH), Sun Country (SY), United Airlines (UA), Southwest Airlines (WN) and Volaris (Y4). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 14, 2027.

Marketing airlines on the San Diego to Denver route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

  • Air Canada (AC)Codeshare only
  • Copa Airlines (CM)Codeshare only
  • Lufthansa (LH)Codeshare only
  • Volaris (Y4)Codeshare only

Airline alliance affiliations represented: Oneworld, Star Alliance

Aircraft flying from SAN to DEN

Frequently asked questions

Which airports serve the San Diego to Denver route?

San Diego International Airport (SAN) is the origin airport and Denver International Airport (DEN) is the destination airport.

How far is Denver from San Diego?

SAN and DEN are approximately 852 miles apart by great-circle distance.

Are there direct flights from SAN to DEN?

Yes. Roame's current schedule feed shows nonstop service from SAN to DEN.

Which airlines market flights from SAN to DEN?

Marketing airlines listed in the current schedule, including codeshare sellers, are Air Canada (AC), Alaska Airlines (AS), Copa Airlines (CM), Frontier Airlines (F9), Lufthansa (LH), Sun Country (SY), United Airlines (UA), Southwest Airlines (WN) and Volaris (Y4). This list does not identify the operating airline for each flight; check the flight details before booking.

Which aircraft fly from SAN to DEN?

Aircraft listed in the current schedule include Airbus A321 (321), Airbus A320neo (32N), Airbus A321neo (32Q), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H), Boeing 737-900 Winglets (73J), Boeing 757-200 (752), Boeing 737 MAX 8 (7M8), 7S7, Embraer 175 (short wing) (E75) and JET.

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