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Denver International Airport to San Diego International Airport flight

Explore the cheapest one-way and round-trip flights from Denver International Airport to San Diego International Airport over the next 90 days, with one-way fares from $55 and round-trip from $76. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        DEN 10:29 PM
        2h 28m
        Nonstop
        SAN 11:57 PM
        Denver - San Diego | Mon, Nov 9 | Frontier Airlines
        SAN 6:25 AM
        2h 34m
        Nonstop
        DEN 9:59 AM
        San Diego - Denver | Wed, Nov 11 | Frontier Airlines
        $76 $159
        52% off
        52% off
        $159 $76
      • DEN 10:29 PM
        2h 28m
        Nonstop
        SAN 11:57 PM
        Denver - San Diego | Fri, Oct 30 | Frontier Airlines
        SAN 6:25 AM
        2h 34m
        Nonstop
        DEN 9:59 AM
        San Diego - Denver | Sun, Nov 1 | Frontier Airlines
        $90 $159
        43% off
        43% off
        $159 $90
      • DEN 10:29 PM
        2h 28m
        Nonstop
        SAN 11:57 PM
        Denver - San Diego | Tue, Oct 27 | Frontier Airlines
        SAN 6:25 AM
        2h 34m
        Nonstop
        DEN 9:59 AM
        San Diego - Denver | Tue, Nov 3 | Frontier Airlines
        $128 $159
        19% off
        19% off
        $159 $128
      • DEN 10:29 PM
        2h 27m
        Nonstop
        SAN 11:56 PM
        Denver - San Diego | Wed, Oct 21 | Frontier Airlines
        SAN 6:25 AM
        2h 34m
        Nonstop
        DEN 9:59 AM
        San Diego - Denver | Wed, Oct 28 | Frontier Airlines
        $128
        19% off
        $159 $128
      • DEN 2:29 PM
        2h 29m
        Nonstop
        SAN 3:58 PM
        Denver - San Diego | Sat, Oct 24 | Frontier Airlines
        SAN 4:53 PM
        2h 32m
        Nonstop
        DEN 8:25 PM
        San Diego - Denver | Tue, Oct 27 | Frontier Airlines
        $128
        19% off
        $159 $128
      • DEN 7:00 AM
        4h 11m
        1 stop
        SAN 10:11 AM
        Denver - San Diego | Wed, Oct 28 | Frontier Airlines
        SAN 6:25 AM
        2h 34m
        Nonstop
        DEN 9:59 AM
        San Diego - Denver | Sat, Oct 31 | Frontier Airlines
        $125
        21% off
        $159 $125
      • DEN 7:00 AM
        4h 11m
        1 stop
        SAN 10:11 AM
        Denver - San Diego | Sat, Oct 31 | Frontier Airlines
        SAN 4:53 PM
        2h 32m
        Nonstop
        DEN 8:25 PM
        San Diego - Denver | Sat, Nov 7 | Frontier Airlines
        $127
        20% off
        $159 $127
      • DEN 7:00 AM
        4h 11m
        1 stop
        SAN 10:11 AM
        Denver - San Diego | Tue, Nov 10 | Frontier Airlines
        SAN 6:25 AM
        2h 34m
        Nonstop
        DEN 9:59 AM
        San Diego - Denver | Tue, Nov 17 | Frontier Airlines
        $127
        20% off
        $159 $127
      • DEN 7:00 AM
        4h 11m
        1 stop
        SAN 10:11 AM
        Denver - San Diego | Wed, Nov 11 | Frontier Airlines
        SAN 6:25 AM
        2h 34m
        Nonstop
        DEN 9:59 AM
        San Diego - Denver | Tue, Nov 17 | Frontier Airlines
        $127
        20% off
        $159 $127
      • DEN 7:00 AM
        4h 11m
        1 stop
        SAN 10:11 AM
        Denver - San Diego | Thu, Nov 12 | Frontier Airlines
        SAN 6:25 AM
        2h 34m
        Nonstop
        DEN 9:59 AM
        San Diego - Denver | Tue, Nov 17 | Frontier Airlines
        $127
        20% off
        $159 $127
      • DEN 7:00 AM
        4h 11m
        1 stop
        SAN 10:11 AM
        Denver - San Diego | Tue, Nov 3 | Frontier Airlines
        SAN 6:25 AM
        2h 34m
        Nonstop
        DEN 9:59 AM
        San Diego - Denver | Tue, Nov 10 | Frontier Airlines
        $127
        20% off
        $159 $127
      • DEN 7:00 AM
        4h 11m
        1 stop
        SAN 10:11 AM
        Denver - San Diego | Wed, Nov 4 | Frontier Airlines
        SAN 6:25 AM
        2h 34m
        Nonstop
        DEN 9:59 AM
        San Diego - Denver | Sat, Nov 7 | Frontier Airlines
        $127
        20% off
        $159 $127
      • DEN 1:00 PM
        17h 25m
        1 stop
        SAN 2:00 PM
        Denver - San Diego | Fri, Sep 25 | Normal Airline
        SAN 3:00 PM
        6h
        Nonstop
        DEN 4:00 PM
        San Diego - Denver | Sun, Sep 27 | Normal Airline
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      • Cheapest nonstop
        DEN 10:29 PM
        2h 28m
        Nonstop
        SAN 11:57 PM
        Denver - San Diego | Wed, Oct 28 | Frontier Airlines
        $55 $83
        34% off
        34% off
        $83 $55
      • DEN 10:29 PM
        2h 28m
        Nonstop
        SAN 11:57 PM
        Denver - San Diego | Sun, Nov 1 | Frontier Airlines
        $55 $83
        34% off
        34% off
        $83 $55
      • DEN 10:29 PM
        2h 28m
        Nonstop
        SAN 11:57 PM
        Denver - San Diego | Thu, Nov 19 | Frontier Airlines
        $56 $83
        33% off
        33% off
        $83 $56
      • DEN 10:29 PM
        2h 28m
        Nonstop
        SAN 11:57 PM
        Denver - San Diego | Thu, Nov 5 | Frontier Airlines
        $57
        31% off
        $83 $57
      • DEN 10:29 PM
        2h 27m
        Nonstop
        SAN 11:56 PM
        Denver - San Diego | Wed, Oct 14 | Frontier Airlines
        $59
        28% off
        $83 $59
      • DEN 2:28 PM
        2h 30m
        Nonstop
        SAN 3:58 PM
        Denver - San Diego | Sun, Nov 8 | Frontier Airlines
        $64
        23% off
        $83 $64
      • DEN 10:29 PM
        2h 27m
        Nonstop
        SAN 11:56 PM
        Denver - San Diego | Wed, Oct 21 | Frontier Airlines
        $65
        22% off
        $83 $65
      • DEN 10:29 PM
        2h 27m
        Nonstop
        SAN 11:56 PM
        Denver - San Diego | Thu, Oct 22 | Frontier Airlines
        $65
        22% off
        $83 $65
      • DEN 10:29 PM
        2h 27m
        Nonstop
        SAN 11:56 PM
        Denver - San Diego | Sun, Oct 25 | Frontier Airlines
        $65
        22% off
        $83 $65
      • DEN 7:00 AM
        4h 11m
        1 stop
        SAN 10:11 AM
        Denver - San Diego | Thu, Oct 29 | Frontier Airlines
        $63
        24% off
        $83 $63
      • DEN 7:00 AM
        4h 11m
        1 stop
        SAN 10:11 AM
        Denver - San Diego | Tue, Nov 17 | Frontier Airlines
        $64
        23% off
        $83 $64
      • DEN 7:12 AM
        8h 17m
        1 stop
        SAN 2:29 PM
        Denver - San Diego | Thu, Oct 15 | Frontier Airlines
        $67
        19% off
        $83 $67
      • DEN 1:00 PM
        17h 25m
        1 stop
        SAN 2:00 PM
        Denver - San Diego | Fri, Sep 25 | Normal Airline
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Displayed flight fares from Denver International Airport to San Diego International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Denver International Airport to San Diego International Airport

What is the cheapest month for one-way flights from Denver International Airport to San Diego International Airport?

Data is based on average one-way flight prices from Denver International Airport to San Diego International Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Denver International Airport to San Diego International Airport, the best time to buy is in February, with an average price of $55. You’ll want to avoid July, when the average price can reach as high as $220.

$220
$138
$55
0
    Cheapest
  • $78
    Sep
  • $115
    Oct
  • $167
    Nov
  • $147
    Dec
  • $57
    Jan
  • $55
    Feb
  • $92
    Mar
  • $90
    Apr
  • $87
    May
  • $192
    Jun
  • $220
    Jul
  • $210
    Aug

What is the cheapest day of the week to fly from Denver International Airport to San Diego International Airport?

The data is based on the past 12 months and shows the average ticket prices from Denver International Airport to San Diego International Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Denver International Airport to San Diego International Airport is Monday, with average fares typically lower than other days. You’ll want to avoid flying on Sunday, as ticket prices are usually the highest that day.

$142
$122
$102
$82
  • $102
    Mon
  • $136
    Tue
  • $123
    Wed
  • $130
    Thu
  • $109
    Fri
  • $132
    Sat
  • $142
    Sun

Which airline offers the cheapest flights from Denver International Airport to San Diego International Airport?

The cheapest airline flying from Denver International Airport to San Diego International Airport is Frontier Airlines (from $55) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From $55
Alaska Airlines
From $95
Delta Air Lines
From $103
American Airlines
From $109
United Airlines
From $124

Find more flights and airlines

What is the flight schedule from Denver International Airport to San Diego International Airport?

Check the schedule for flights from Denver to San Diego and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F92711

    Denver International Airport

    10:29 PM

    DEN

    2h 22m

    11:51 PM

    SAN

    S M T W T F S
    Search

  2. F92817

    Denver International Airport

    3:04 PM

    DEN

    2h 30m

    4:34 PM

    SAN

    S M T W T F S
    Search

  3. F91375

    Denver International Airport

    7:25 AM

    DEN

    2h 4m

    Nonstop

    9:29 AM

    PHX

    S M T W T F S
    Search

  4. F91571

    Phoenix Sky Harbor International Airport

    11:45 AM

    PHX

    1h 22m

    Nonstop

    12:07 PM

    SAN

    S M T W T F S
Find more flights and airlines

About Denver International Airport and San Diego International Airport

Learn about Denver International Airport (DEN) and San Diego International Airport (SAN) — including location, terminals, transportation, and travel tips.

Flight distance1,372.91 km
Cheapest one-way ticket price$55
Cheapest return ticket price$76

FAQs for Denver International Airport to San Diego International Airport Flights

  • How long is the flight from Denver International Airport to San Diego International Airport?

    Denver International Airport to San Diego International Airport takes about 2 hours 32 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 10 daily flights from Denver International Airport (DEN) to San Diego International Airport (SAN).
  • The earliest flight from Denver International Airport to San Diego International Airport departs at 06:20, and the last departs at 22:29, with about 39 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Denver International Airport (DEN) to San Diego International Airport (SAN) is quite popular. Without considering departure times or holidays, tickets cost around $270 in September, the most expensive month to book this route.
  • The earliest flight departs from Denver International Airport (DEN) at 06:00 and arrives in San Diego International Airport (SAN) at 07:34.
  • The latest flight departs from Denver International Airport (DEN) at 21:20 and arrives in San Diego International Airport (SAN) at 22:49.
    • The distance from San Diego International Airport to downtown is about 3 km. It takes about 20 minutes by taxi.
    • The distance from McClellan-Palomar Airport to downtown is about 47 km. It takes about 1 hour by taxi.
  • Frontier Airlines is a very popular airline operating an average of 4830 flights per month.
  • One-way flights from Denver International Airport to San Diego International Airport currently start from $55, and round-trip fares start from $76. The current lowest fare is a Frontier Airlines flight departing on Wed, Oct 28; prices may vary depending on availability.
  • Yes. United Airlines, Alaska Airlines, Frontier Airlines and American Airlines operate direct flights from Denver International Airport to San Diego International Airport, with an average flight time of 2 hours 42 minutes, and around 153 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Denver International Airport to San Diego International Airport is $140. Prices may vary depending on the departure date, airline, and availability.
  • Frontier Airlines and Volaris are the most popular budget airlines flying from Denver International Airport to San Diego International Airport, with one-way fares starting from $55. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Denver International Airport to San Diego International Airport operates around 103 weekly flights, mainly by United Airlines and Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Denver International Airport and San Diego International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.