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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 $21 and round-trip from $65. 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 | Wed, Dec 2 | Frontier Airlines
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Wed, Dec 9 | Frontier Airlines
      $65 $78
      17% off
      17% off
      $78 $65
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Sat, Dec 5 | Frontier Airlines
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Wed, Dec 9 | Frontier Airlines
      $65 $78
      17% off
      17% off
      $78 $65
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Wed, Dec 9 | Frontier Airlines
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Sat, Dec 12 | Frontier Airlines
      $65 $78
      17% off
      17% off
      $78 $65
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Nov 24 | Frontier Airlines
      SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Tue, Dec 1 | Frontier Airlines
      $65
      17% off
      $78 $65
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Dec 1 | Frontier Airlines
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Sat, Dec 5 | Frontier Airlines
      $66
      15% off
      $78 $66
    • DEN 8:49 AM
      2h 30m
      Nonstop
      SAN 10:19 AM
      Denver - San Diego | Tue, Dec 8 | Frontier Airlines
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Sat, Dec 12 | Frontier Airlines
      $66
      15% off
      $78 $66
    • DEN 8:49 AM
      2h 30m
      Nonstop
      SAN 10:19 AM
      Denver - San Diego | Sat, Dec 12 | Frontier Airlines
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Wed, Dec 16 | Frontier Airlines
      $66
      15% off
      $78 $66
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Sun, Dec 13 | Frontier Airlines
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Wed, Dec 16 | Frontier Airlines
      $66
      15% off
      $78 $66
    • DEN 8:49 AM
      2h 30m
      Nonstop
      SAN 10:19 AM
      Denver - San Diego | Fri, Dec 11 | Frontier Airlines
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Tue, Dec 15 | Frontier Airlines
      $66
      15% off
      $78 $66
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Fri, Nov 6 | Normal Airline
      SAN 3:00 PM
      6h
      Nonstop
      DEN 4:00 PM
      San Diego - Denver | Sun, Nov 8 | Normal Airline
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    • Cheapest
      DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Tue, Jan 5 | Frontier Airlines
      $21 $132
      84% off
      84% off
      $132 $21
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Sat, Dec 19 | Frontier Airlines
      $24 $64
      63% off
      63% off
      $64 $24
    • DEN 8:49 AM
      2h 30m
      Nonstop
      SAN 10:19 AM
      Denver - San Diego | Wed, Dec 16 | Frontier Airlines
      $33 $64
      48% off
      48% off
      $64 $33
    • DEN 8:50 AM
      2h 31m
      Nonstop
      SAN 10:21 AM
      Denver - San Diego | Wed, Dec 2 | Frontier Airlines
      $33
      48% off
      $64 $33
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 25 | Frontier Airlines
      $33
      48% off
      $64 $33
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Mon, Dec 14 | Frontier Airlines
      $34
      47% off
      $64 $34
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Sun, Nov 22 | Frontier Airlines
      $35
      45% off
      $64 $35
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Fri, Nov 27 | Frontier Airlines
      $35
      45% off
      $64 $35
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Thu, Dec 17 | Frontier Airlines
      $35
      45% off
      $64 $35
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Fri, Nov 6 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Tue, Jan 5 | Frontier Airlines
      $21 $132
      84% off
      84% off
      $132 $21
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Sat, Dec 19 | Frontier Airlines
      $24 $64
      63% off
      63% off
      $64 $24
    • DEN 8:49 AM
      2h 30m
      Nonstop
      SAN 10:19 AM
      Denver - San Diego | Wed, Dec 16 | Frontier Airlines
      $33 $64
      48% off
      48% off
      $64 $33
    • DEN 8:50 AM
      2h 31m
      Nonstop
      SAN 10:21 AM
      Denver - San Diego | Wed, Dec 2 | Frontier Airlines
      $33
      48% off
      $64 $33
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 25 | Frontier Airlines
      $33
      48% off
      $64 $33
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Mon, Dec 14 | Frontier Airlines
      $34
      47% off
      $64 $34
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Sun, Nov 22 | Frontier Airlines
      $35
      45% off
      $64 $35
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Fri, Nov 27 | Frontier Airlines
      $35
      45% off
      $64 $35
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Thu, Dec 17 | Frontier Airlines
      $35
      45% off
      $64 $35
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Fri, Nov 6 | Normal Airline
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    • Cheapest nonstop
      DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Tue, Jan 5 | Frontier Airlines
      $21 $227
      91% off
      91% off
      $227 $21
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Sat, Dec 19 | Frontier Airlines
      $24 $227
      89% off
      89% off
      $227 $24
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 25 | Frontier Airlines
      $33 $227
      85% off
      85% off
      $227 $33
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Fri, Nov 27 | Frontier Airlines
      $35
      85% off
      $227 $35
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Thu, Dec 17 | Frontier Airlines
      $35
      85% off
      $227 $35
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Thu, Dec 31 | Frontier Airlines
      $35
      85% off
      $227 $35
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Mon, Nov 9 | Frontier Airlines
      $36
      84% off
      $227 $36
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Sat, Dec 5 | Frontier Airlines
      $54
      76% off
      $227 $54
    • DEN 10:59 PM
      2h 29m
      Nonstop
      SAN 12:28 AM
      Denver - San Diego | Tue, Dec 22 | Frontier Airlines
      $55
      76% off
      $227 $55
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Fri, Nov 6 | Normal Airline
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    • Cheapest nonstop
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Mon, Nov 9 | Frontier Airlines
      $36 $257
      86% off
      86% off
      $257 $36
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 11 | Frontier Airlines
      $64 $257
      75% off
      75% off
      $257 $64
    • DEN 2:38 PM
      2h 30m
      Nonstop
      SAN 4:08 PM
      Denver - San Diego | Sun, Nov 8 | Frontier Airlines
      $93 $257
      64% off
      64% off
      $257 $93
    • DEN 2:38 PM
      2h 30m
      Nonstop
      SAN 4:08 PM
      Denver - San Diego | Fri, Nov 6 | Frontier Airlines
      $98
      62% off
      $257 $98
    • DEN 2:28 PM
      2h 30m
      Nonstop
      SAN 3:58 PM
      Denver - San Diego | Sat, Nov 7 | Frontier Airlines
      $144
      44% off
      $257 $144
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Thu, Nov 5 | Frontier Airlines
      $147
      43% off
      $257 $147
    • DEN 1:55 PM
      2h 32m
      Nonstop
      SAN 3:27 PM
      Denver - San Diego | Sat, Nov 7 | Alaska Airlines
      $223
      13% off
      $257 $223
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Fri, Nov 6 | Normal Airline
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    • DEN 3:06 PM
      2h 25m
      Nonstop
      SAN 4:31 PM
      Denver - San Diego | Thu, Jan 7 | Frontier Airlines
      $65 $237
      73% off
      73% off
      $237 $65
    • DEN 2:20 PM
      2h 26m
      Nonstop
      SAN 3:46 PM
      Denver - San Diego | Fri, Dec 18 | Frontier Airlines
      $119 $237
      50% off
      50% off
      $237 $119
    • DEN 2:20 PM
      2h 26m
      Nonstop
      SAN 3:46 PM
      Denver - San Diego | Sat, Jan 2 | Frontier Airlines
      $156 $237
      34% off
      34% off
      $237 $156
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 25 | Frontier Airlines
      $33
      48% off
      $64 $33
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Sun, Nov 22 | Frontier Airlines
      $35
      45% off
      $64 $35
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Fri, Nov 27 | Frontier Airlines
      $35
      45% off
      $64 $35
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Mon, Nov 9 | Frontier Airlines
      $36
      73% off
      $132 $36
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 18 | Frontier Airlines
      $56
      57% off
      $132 $56
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Nov 24 | Frontier Airlines
      $114
      14% off
      $132 $114
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Fri, Nov 6 | Normal Airline
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Displayed flight fares from Denver to San Diego 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 $221.

$221
$138
$55
0
    Cheapest
  • $176
    Nov
  • $147
    Dec
  • $57
    Jan
  • $55
    Feb
  • $92
    Mar
  • $90
    Apr
  • $88
    May
  • $193
    Jun
  • $221
    Jul
  • $211
    Aug
  • $135
    Sep
  • $152
    Oct

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 Friday, 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.

$163
$135
$106
$78
    Cheapest
  • $112
    Mon
  • $129
    Tue
  • $127
    Wed
  • $138
    Thu
  • $106
    Fri
  • $132
    Sat
  • $163
    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 $24) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From $24
Alaska Airlines
From $74
Hahn Air
From $83
American Airlines
From $88
Delta Air Lines
From $88
United Airlines
From $111

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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 29m

    11:58 PM

    SAN

    S M T W T F S
    Search

  2. F92817

    Denver International Airport

    1:54 PM

    DEN

    2h 27m

    3:21 PM

    SAN

    S M T W T F S
    Search

  3. F91375

    Denver International Airport

    8:50 AM

    DEN

    2h 1m

    Nonstop

    10:51 AM

    PHX

    S M T W T F S
    Search

  4. F91571

    Phoenix Sky Harbor International Airport

    1:32 PM

    PHX

    1h 18m

    Nonstop

    1:50 PM

    SAN

    S M T W T F S
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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 distance 1,372.91 km
Cheapest one-way ticket price $21
Cheapest return ticket price $65

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 28 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 11 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 06:35, and the last departs at 23:16, with about 36 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 $154 in November, 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 $24, and round-trip fares start from $65. The current lowest fare is a Frontier Airlines flight departing on Sat, Dec 19; prices may vary depending on availability.
  • Yes. United Airlines, Alaska Airlines and Frontier Airlines operate direct flights from Denver International Airport to San Diego International Airport, with an average flight time of 2 hours 32 minutes, and around 139 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 $153. 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 $24. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Denver International Airport to San Diego International Airport operates around 138 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.