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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 THB 720 and round-trip from THB 2,200. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Tue, Jan 5 | Frontier Airlines
      THB 720 THB 3,980
      82% off
      82% off
      THB 3,980 THB 720
    • DEN 8:50 AM
      2h 31m
      Nonstop
      SAN 10:21 AM
      Denver - San Diego | Sun, Dec 6 | Frontier Airlines
      THB 1,110 THB 2,350
      53% off
      53% off
      THB 2,350 THB 1,110
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Sun, Nov 29 | Frontier Airlines
      THB 1,110 THB 2,350
      53% off
      53% off
      THB 2,350 THB 1,110
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 25 | Frontier Airlines
      THB 1,110
      72% off
      THB 3,980 THB 1,110
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Nov 24 | Frontier Airlines
      THB 1,140
      71% off
      THB 3,980 THB 1,140
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Dec 1 | Frontier Airlines
      THB 1,160
      51% off
      THB 2,350 THB 1,160
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Fri, Nov 13 | Frontier Airlines
      THB 1,160
      51% off
      THB 2,350 THB 1,160
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Fri, Nov 27 | Frontier Airlines
      THB 1,160
      71% off
      THB 3,980 THB 1,160
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Thu, Dec 17 | Frontier Airlines
      THB 1,170
      71% off
      THB 3,980 THB 1,170
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Wed, Nov 4 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      DEN 8:50 AM
      2h 31m
      Nonstop
      SAN 10:21 AM
      Denver - San Diego | Tue, Dec 8 | Frontier Airlines
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Tue, Dec 15 | Frontier Airlines
      THB 2,200 THB 2,800
      21% off
      21% off
      THB 2,800 THB 2,200
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Thu, Dec 10 | Frontier Airlines
      SAN 11:14 AM
      2h 42m
      Nonstop
      DEN 2:56 PM
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      THB 2,200 THB 2,800
      21% off
      21% off
      THB 2,800 THB 2,200
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Sat, Dec 12 | Frontier Airlines
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Fri, Dec 18 | Frontier Airlines
      THB 2,200 THB 2,800
      21% off
      21% off
      THB 2,800 THB 2,200
    • DEN 8:49 AM
      2h 30m
      Nonstop
      SAN 10:19 AM
      Denver - San Diego | Sun, Dec 13 | Frontier Airlines
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Sat, Dec 19 | Frontier Airlines
      THB 2,200
      21% off
      THB 2,800 THB 2,200
    • DEN 2:27 PM
      2h 30m
      Nonstop
      SAN 3:57 PM
      Denver - San Diego | Sun, Nov 22 | Frontier Airlines
      SAN 5:29 PM
      2h 31m
      Nonstop
      DEN 9:00 PM
      San Diego - Denver | Thu, Nov 26 | Frontier Airlines
      THB 2,200
      21% off
      THB 2,800 THB 2,200
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Mon, Nov 23 | Frontier Airlines
      SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Thu, Nov 26 | Frontier Airlines
      THB 2,200
      21% off
      THB 2,800 THB 2,200
    • 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 | Sat, Nov 28 | Frontier Airlines
      THB 2,200
      21% off
      THB 2,800 THB 2,200
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Wed, Dec 23 | Frontier Airlines
      SAN 4:16 PM
      2h 34m
      Nonstop
      DEN 7:50 PM
      San Diego - Denver | Wed, Dec 30 | Frontier Airlines
      THB 2,200
      21% off
      THB 2,800 THB 2,200
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Thu, Dec 24 | Frontier Airlines
      SAN 4:16 PM
      2h 34m
      Nonstop
      DEN 7:50 PM
      San Diego - Denver | Wed, Dec 30 | Frontier Airlines
      THB 2,200
      21% off
      THB 2,800 THB 2,200
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Wed, Nov 4 | Normal Airline
      SAN 3:00 PM
      6h
      Nonstop
      DEN 4:00 PM
      San Diego - Denver | 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
      THB 720 THB 8,410
      91% off
      91% off
      THB 8,410 THB 720
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 25 | Frontier Airlines
      THB 1,110 THB 8,410
      87% off
      87% off
      THB 8,410 THB 1,110
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Nov 24 | Frontier Airlines
      THB 1,140 THB 8,410
      86% off
      86% off
      THB 8,410 THB 1,140
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Fri, Nov 27 | Frontier Airlines
      THB 1,160
      86% off
      THB 8,410 THB 1,160
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Thu, Dec 17 | Frontier Airlines
      THB 1,170
      86% off
      THB 8,410 THB 1,170
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Thu, Dec 31 | Frontier Airlines
      THB 1,180
      86% off
      THB 8,410 THB 1,180
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Sat, Dec 5 | Frontier Airlines
      THB 1,810
      78% off
      THB 8,410 THB 1,810
    • DEN 10:59 PM
      2h 29m
      Nonstop
      SAN 12:28 AM
      Denver - San Diego | Tue, Dec 22 | Frontier Airlines
      THB 1,840
      78% off
      THB 8,410 THB 1,840
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Wed, Jan 6 | Frontier Airlines
      THB 1,850
      78% off
      THB 8,410 THB 1,850
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Wed, Nov 4 | 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
      THB 720 THB 3,980
      82% off
      82% off
      THB 3,980 THB 720
    • DEN 8:50 AM
      2h 31m
      Nonstop
      SAN 10:21 AM
      Denver - San Diego | Sun, Dec 6 | Frontier Airlines
      THB 1,110 THB 2,350
      53% off
      53% off
      THB 2,350 THB 1,110
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Sun, Nov 29 | Frontier Airlines
      THB 1,110 THB 2,350
      53% off
      53% off
      THB 2,350 THB 1,110
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 25 | Frontier Airlines
      THB 1,110
      72% off
      THB 3,980 THB 1,110
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Nov 24 | Frontier Airlines
      THB 1,140
      71% off
      THB 3,980 THB 1,140
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Dec 1 | Frontier Airlines
      THB 1,160
      51% off
      THB 2,350 THB 1,160
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Fri, Nov 13 | Frontier Airlines
      THB 1,160
      51% off
      THB 2,350 THB 1,160
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Fri, Nov 27 | Frontier Airlines
      THB 1,160
      71% off
      THB 3,980 THB 1,160
    • DEN 10:29 PM
      2h 29m
      Nonstop
      SAN 11:58 PM
      Denver - San Diego | Thu, Dec 17 | Frontier Airlines
      THB 1,170
      71% off
      THB 3,980 THB 1,170
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Wed, Nov 4 | Normal Airline
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    • Cheapest nonstop
      DEN 2:28 PM
      2h 30m
      Nonstop
      SAN 3:58 PM
      Denver - San Diego | Sat, Nov 7 | Frontier Airlines
      THB 3,120 THB 7,380
      57% off
      57% off
      THB 7,380 THB 3,120
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Mon, Nov 9 | Frontier Airlines
      THB 3,140 THB 7,380
      56% off
      56% off
      THB 7,380 THB 3,140
    • DEN 2:28 PM
      2h 30m
      Nonstop
      SAN 3:58 PM
      Denver - San Diego | Wed, Nov 4 | Frontier Airlines
      THB 3,170 THB 7,380
      56% off
      56% off
      THB 7,380 THB 3,170
    • DEN 2:38 PM
      2h 30m
      Nonstop
      SAN 4:08 PM
      Denver - San Diego | Sun, Nov 8 | Frontier Airlines
      THB 3,180
      56% off
      THB 7,380 THB 3,180
    • DEN 2:28 PM
      2h 30m
      Nonstop
      SAN 3:58 PM
      Denver - San Diego | Tue, Nov 3 | Frontier Airlines
      THB 3,180
      56% off
      THB 7,380 THB 3,180
    • DEN 2:38 PM
      2h 30m
      Nonstop
      SAN 4:08 PM
      Denver - San Diego | Fri, Nov 6 | Frontier Airlines
      THB 3,340
      55% off
      THB 7,380 THB 3,340
    • DEN 1:55 PM
      2h 32m
      Nonstop
      SAN 3:27 PM
      Denver - San Diego | Sat, Nov 7 | Alaska Airlines
      THB 5,610
      24% off
      THB 7,380 THB 5,610
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Thu, Nov 5 | Frontier Airlines
      THB 5,830
      21% off
      THB 7,380 THB 5,830
    • DEN 6:45 PM
      4h 58m
      1 stop
      SAN 10:43 PM
      Denver - San Diego | Tue, Nov 3 | Delta Air Lines
      THB 5,810
      21% off
      THB 7,380 THB 5,810
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Wed, Nov 4 | 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
      THB 2,180 THB 10,730
      80% off
      80% off
      THB 10,730 THB 2,180
    • DEN 2:20 PM
      2h 26m
      Nonstop
      SAN 3:46 PM
      Denver - San Diego | Fri, Dec 18 | Frontier Airlines
      THB 4,020 THB 10,730
      63% off
      63% off
      THB 10,730 THB 4,020
    • DEN 2:20 PM
      2h 26m
      Nonstop
      SAN 3:46 PM
      Denver - San Diego | Sat, Jan 2 | Frontier Airlines
      THB 5,270 THB 10,730
      51% off
      51% off
      THB 10,730 THB 5,270
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Sun, Nov 29 | Frontier Airlines
      THB 1,110
      53% off
      THB 2,350 THB 1,110
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 25 | Frontier Airlines
      THB 1,110
      72% off
      THB 3,980 THB 1,110
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Nov 24 | Frontier Airlines
      THB 1,140
      71% off
      THB 3,980 THB 1,140
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Dec 1 | Frontier Airlines
      THB 1,160
      51% off
      THB 2,350 THB 1,160
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Fri, Nov 13 | Frontier Airlines
      THB 1,160
      51% off
      THB 2,350 THB 1,160
    • DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Fri, Nov 27 | Frontier Airlines
      THB 1,160
      71% off
      THB 3,980 THB 1,160
    • DEN 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Denver - San Diego | Wed, Nov 4 | 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

Which month has the lowest one-way flight price from Denver International Airport to San Diego International Airport?

The data is based on the average one-way flight prices on Trip.com for flights from Denver International Airport to San Diego International Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, if you’re looking for low one-way flight fares from Denver International Airport to San Diego International Airport, the best time to book is in February, with an average price of THB 1,860. Try to avoid July, when prices are highest, averaging around THB 7,470.

THB 7,470
THB 4,665
THB 1,860
0
    Cheapest
  • THB 5,940
    Nov
  • THB 4,970
    Dec
  • THB 1,930
    Jan
  • THB 1,860
    Feb
  • THB 3,100
    Mar
  • THB 3,050
    Apr
  • THB 2,950
    May
  • THB 6,520
    Jun
  • THB 7,470
    Jul
  • THB 7,130
    Aug
  • THB 4,560
    Sep
  • THB 5,150
    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 average flight prices on Trip.com from Denver International Airport to San Diego International Airport across different days of the week over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Denver International Airport to San Diego International Airport is usually Friday, with average fares typically lower than other days. Try to avoid departing on Sunday, as prices are usually the highest on that day.

THB 5,040
THB 4,350
THB 3,660
THB 2,970
    Cheapest
  • THB 3,670
    Mon
  • THB 4,350
    Tue
  • THB 4,150
    Wed
  • THB 4,630
    Thu
  • THB 3,660
    Fri
  • THB 4,260
    Sat
  • THB 5,040
    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 THB 1,110) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From THB 1,110
Alaska Airlines
From THB 2,540
Hahn Air
From THB 2,810
American Airlines
From THB 2,990
Delta Air Lines
From THB 3,030
United Airlines
From THB 4,300

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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

  5. F91229

    Denver International Airport

    7:39 AM

    DEN

    3h

    Nonstop

    9:39 AM

    SFO

    S M T W T F S
    Search

  6. F93382

    San Francisco International Airport

    5:17 PM

    SFO

    1h 41m

    Nonstop

    6:58 PM

    SAN

    S - - W T - 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 THB 720
Cheapest return ticket price THB 2,200

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 30 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 06:35, 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 THB 5,060 in November, the most expensive month to book this route.
    • 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 THB 1,110, and round-trip fares start from THB 2,200. The current lowest fare is a Frontier Airlines flight departing on Sun, Dec 6; 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 THB 5,160. 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 THB 1,110. 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 the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before payment. Charges for checked baggage, onboard meals, Wi-Fi, and other optional services may also appear in the flight cards where applicable.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and for many routes the data may refresh in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.