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Direct flights from Denver to San Diego

Did you mean Flights from San Diego to Denver?

Flightmap/Flights from DEN/DEN to SAN

Denver

United States

DEN

Denver International Airport

San Diego

United States

SAN

San Diego International Airport

Route
Nonstop service available
Distance
852 miles
Marketing airlines
9 airlines
Aircraft
12 aircraft types
Dates
Oct 19, 2026 – Oct 17, 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: 2026-10-24 – 2026-11-22.

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 DEN
  • Flights to SAN

Denver to San Diego route overview

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

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

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

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 17, 2027.

Marketing airlines on the Denver to San Diego 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 DEN to SAN

Frequently asked questions

Which airports serve the Denver to San Diego route?

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

How far is San Diego from Denver?

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

Are there direct flights from DEN to SAN?

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

Which airlines market flights from DEN to SAN?

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 DEN to SAN?

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 757-300 (753), Boeing 737 MAX 8 (7M8), 7S7, Embraer 175 (short wing) (E75) and JET.

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