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San Diego International Airport to Denver International Airport flight

Explore the cheapest one-way and round-trip flights from San Diego International Airport to Denver International Airport over the next 90 days, with one-way fares from $22 and round-trip from $41. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Tue, Dec 8 | Frontier Airlines
      DEN 8:49 AM
      2h 30m
      Nonstop
      SAN 10:19 AM
      Denver - San Diego | Tue, Dec 15 | Frontier Airlines
      $41 $122
      66% off
      66% off
      $122 $41
    • SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Sat, Dec 12 | Frontier Airlines
      DEN 8:49 AM
      2h 30m
      Nonstop
      SAN 10:19 AM
      Denver - San Diego | Sat, Dec 19 | Frontier Airlines
      $43 $122
      65% off
      65% off
      $122 $43
    • SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Sun, Dec 13 | Frontier Airlines
      DEN 8:49 AM
      2h 30m
      Nonstop
      SAN 10:19 AM
      Denver - San Diego | Sat, Dec 19 | Frontier Airlines
      $47 $122
      61% off
      61% off
      $122 $47
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Thu, Nov 26 | Frontier Airlines
      $60
      51% off
      $122 $60
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Tue, Nov 10 | Frontier Airlines
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 11 | Frontier Airlines
      $61
      50% off
      $122 $61
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Fri, Nov 13 | Frontier Airlines
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 18 | Frontier Airlines
      $61
      50% off
      $122 $61
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Sun, Nov 22 | Frontier Airlines
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 25 | Frontier Airlines
      $65
      47% off
      $122 $65
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Wed, Nov 18 | Frontier Airlines
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Sat, Nov 21 | Frontier Airlines
      $66
      46% off
      $122 $66
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Mon, Dec 7 | Frontier Airlines
      DEN 8:49 AM
      2h 30m
      Nonstop
      SAN 10:19 AM
      Denver - San Diego | Wed, Dec 9 | Frontier Airlines
      $66
      46% off
      $122 $66
    • SAN 1:00 PM
      17h 25m
      1 stop
      DEN 2:00 PM
      San Diego - Denver | Tue, Nov 3 | Normal Airline
      DEN 3:00 PM
      6h
      Nonstop
      SAN 4:00 PM
      Denver - San Diego | Thu, Nov 5 | Normal Airline
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    • Cheapest
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Tue, Dec 8 | Frontier Airlines
      $22 $62
      65% off
      65% off
      $62 $22
    • SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Wed, Dec 16 | Frontier Airlines
      $30 $62
      52% off
      52% off
      $62 $30
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Sun, Nov 22 | Frontier Airlines
      $33 $62
      47% off
      47% off
      $62 $33
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Tue, Nov 24 | Frontier Airlines
      $33
      47% off
      $62 $33
    • SAN 6:36 AM
      2h 34m
      Nonstop
      DEN 10:10 AM
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      $34
      83% off
      $200 $34
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      $36
      82% off
      $200 $36
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Thu, Nov 26 | Frontier Airlines
      $44
      28% off
      $62 $44
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Mon, Nov 23 | Frontier Airlines
      $44
      78% off
      $200 $44
    • SAN 4:16 PM
      2h 34m
      Nonstop
      DEN 7:50 PM
      San Diego - Denver | Sun, Dec 27 | Frontier Airlines
      $45
      27% off
      $62 $45
    • SAN 1:00 PM
      17h 25m
      1 stop
      DEN 2:00 PM
      San Diego - Denver | Tue, Nov 3 | Normal Airline
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    • Cheapest nonstop
      SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Tue, Dec 8 | Frontier Airlines
      $22 $62
      65% off
      65% off
      $62 $22
    • SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Wed, Dec 16 | Frontier Airlines
      $30 $62
      52% off
      52% off
      $62 $30
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Sun, Nov 22 | Frontier Airlines
      $33 $62
      47% off
      47% off
      $62 $33
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Tue, Nov 24 | Frontier Airlines
      $33
      47% off
      $62 $33
    • SAN 6:36 AM
      2h 34m
      Nonstop
      DEN 10:10 AM
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      $34
      83% off
      $200 $34
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      $36
      82% off
      $200 $36
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Thu, Nov 26 | Frontier Airlines
      $44
      28% off
      $62 $44
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Mon, Nov 23 | Frontier Airlines
      $44
      78% off
      $200 $44
    • SAN 4:16 PM
      2h 34m
      Nonstop
      DEN 7:50 PM
      San Diego - Denver | Sun, Dec 27 | Frontier Airlines
      $45
      27% off
      $62 $45
    • SAN 1:00 PM
      17h 25m
      1 stop
      DEN 2:00 PM
      San Diego - Denver | Tue, Nov 3 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      SAN 6:36 AM
      2h 34m
      Nonstop
      DEN 10:10 AM
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      $34 $200
      83% off
      83% off
      $200 $34
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      $36 $200
      82% off
      82% off
      $200 $36
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Mon, Nov 23 | Frontier Airlines
      $44 $200
      78% off
      78% off
      $200 $44
    • SAN 4:16 PM
      2h 34m
      Nonstop
      DEN 7:50 PM
      San Diego - Denver | Thu, Dec 24 | Frontier Airlines
      $45
      78% off
      $200 $45
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Tue, Nov 17 | Frontier Airlines
      $54
      73% off
      $200 $54
    • SAN 6:36 AM
      2h 36m
      Nonstop
      DEN 10:12 AM
      San Diego - Denver | Tue, Jan 5 | Frontier Airlines
      $55
      73% off
      $200 $55
    • SAN 6:25 AM
      2h 36m
      Nonstop
      DEN 10:01 AM
      San Diego - Denver | Wed, Dec 30 | Frontier Airlines
      $55
      73% off
      $200 $55
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Tue, Dec 1 | Frontier Airlines
      $55
      73% off
      $200 $55
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Mon, Nov 9 | Frontier Airlines
      $57
      72% off
      $200 $57
    • SAN 1:00 PM
      17h 25m
      1 stop
      DEN 2:00 PM
      San Diego - Denver | Tue, Nov 3 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Fri, Nov 6 | Frontier Airlines
      $91 $250
      64% off
      64% off
      $250 $91
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Sat, Nov 7 | Frontier Airlines
      $93 $250
      63% off
      63% off
      $250 $93
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Sun, Nov 8 | Frontier Airlines
      $138 $250
      45% off
      45% off
      $250 $138
    • SAN 3:45 PM
      2h 34m
      Nonstop
      DEN 7:19 PM
      San Diego - Denver | Fri, Nov 6 | Alaska Airlines
      $164
      34% off
      $250 $164
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Tue, Nov 3 | Frontier Airlines
      $178
      28% off
      $250 $178
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Wed, Nov 4 | Frontier Airlines
      $178
      28% off
      $250 $178
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Thu, Nov 5 | Frontier Airlines
      $178
      28% off
      $250 $178
    • SAN 3:45 PM
      2h 34m
      Nonstop
      DEN 7:19 PM
      San Diego - Denver | Tue, Nov 3 | Alaska Airlines
      $222
      11% off
      $250 $222
    • SAN 3:45 PM
      2h 34m
      Nonstop
      DEN 7:19 PM
      San Diego - Denver | Thu, Nov 5 | Alaska Airlines
      $222
      11% off
      $250 $222
    • SAN 1:00 PM
      17h 25m
      1 stop
      DEN 2:00 PM
      San Diego - Denver | Tue, Nov 3 | Normal Airline
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    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Fri, Nov 13 | Frontier Airlines
      $52 $62
      16% off
      16% off
      $62 $52
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Fri, Nov 20 | Frontier Airlines
      $54 $62
      13% off
      13% off
      $62 $54
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Tue, Nov 17 | Frontier Airlines
      $54 $200
      73% off
      73% off
      $200 $54
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Wed, Nov 18 | Frontier Airlines
      $62
      69% off
      $200 $62
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Tue, Nov 3 | Frontier Airlines
      $178
      11% off
      $200 $178
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Wed, Nov 4 | Frontier Airlines
      $178
      11% off
      $200 $178
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Sun, Nov 22 | Frontier Airlines
      $33
      47% off
      $62 $33
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Tue, Nov 24 | Frontier Airlines
      $33
      47% off
      $62 $33
    • SAN 6:36 AM
      2h 34m
      Nonstop
      DEN 10:10 AM
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      $34
      83% off
      $200 $34
    • SAN 1:00 PM
      17h 25m
      1 stop
      DEN 2:00 PM
      San Diego - Denver | Tue, Nov 3 | Normal Airline
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Displayed flight fares from San Diego to Denver 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 San Diego International Airport to Denver International Airport

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

Data is based on average one-way flight prices from San Diego International Airport to Denver 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 San Diego International Airport to Denver International Airport, the best time to buy is in February, with an average price of $59. You’ll want to avoid September, when the average price can reach as high as $208.

$208
$134
$59
0
    Cheapest
  • $77
    Oct
  • $155
    Nov
  • $124
    Dec
  • $106
    Jan
  • $59
    Feb
  • $125
    Mar
  • $149
    Apr
  • $130
    May
  • $162
    Jun
  • $183
    Jul
  • $171
    Aug
  • $208
    Sep

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

The data is based on the past 12 months and shows the average ticket prices from San Diego International Airport to Denver 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 San Diego International Airport to Denver International Airport is Tuesday, with average fares typically lower than other days. You’ll want to avoid flying on Saturday, as ticket prices are usually the highest that day.

$170
$139
$108
$77
  • $147
    Mon
  • $108
    Tue
  • $145
    Wed
  • $134
    Thu
  • $145
    Fri
  • $170
    Sat
  • $130
    Sun

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

The cheapest airline flying from San Diego International Airport to Denver International Airport is Frontier Airlines (from $22) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From $22
Alaska Airlines
From $74
American Airlines
From $89
Delta Air Lines
From $90
United Airlines
From $126
Jetblue Airways
From $354

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. F94990

    San Diego International Airport

    3:04 PM

    SAN

    2h 33m

    6:37 PM

    DEN

    S M T W T F S
    Search

  2. F92818

    San Diego International Airport

    6:36 AM

    SAN

    2h 34m

    10:10 AM

    DEN

    S M T W T F S
    Search

  3. F91572

    San Diego International Airport

    2:45 PM

    SAN

    1h 26m

    Nonstop

    5:11 PM

    PHX

    - M T - - F -
    Search

  4. F91820

    Phoenix Sky Harbor International Airport

    8:59 PM

    PHX

    1h 50m

    Nonstop

    11:49 PM

    DEN

    S M T W T F S

  5. F91572

    San Diego International Airport

    2:45 PM

    SAN

    1h 26m

    Nonstop

    5:11 PM

    PHX

    - M T - - F -
    Search

  6. F92142

    Phoenix Sky Harbor International Airport

    3:57 PM

    PHX

    1h 51m

    Nonstop

    5:48 PM

    DEN

    S M T W T F S
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About San Diego International Airport and Denver International Airport

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

Flight distance 1,372.91 km
Cheapest one-way ticket price $22
Cheapest return ticket price $41

FAQs for San Diego International Airport to Denver International Airport Flights

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

    San Diego International Airport to Denver International Airport takes about 2 hours 12 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 11 daily flights from San Diego International Airport (SAN) to Denver International Airport (DEN).
  • The earliest flight from San Diego International Airport to Denver International Airport departs at 06:15, and the last departs at 21:15, 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 San Diego International Airport (SAN) to Denver International Airport (DEN) is quite popular. Without considering departure times or holidays, tickets cost around $166 in November, the most expensive month to book this route.
  • The earliest flight departs from San Diego International Airport (SAN) at 06:30 and arrives in Denver International Airport (DEN) at 10:00.
  • The latest flight departs from San Diego International Airport (SAN) at 21:03 and arrives in Denver International Airport (DEN) at 00:46.
  • Frontier Airlines is a very popular airline operating an average of 4510 flights per month.
  • One-way flights from San Diego International Airport to Denver International Airport currently start from $22, and round-trip fares start from $41. The current lowest fare is a Frontier Airlines flight departing on Tue, Dec 8; prices may vary depending on availability.
  • Yes. United Airlines, Alaska Airlines and Frontier Airlines operate direct flights from San Diego International Airport to Denver International Airport, with an average flight time of 2 hours 14 minutes, and around 136 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 San Diego International Airport to Denver International Airport is $155. Prices may vary depending on the departure date, airline, and availability.
  • Volaris and Frontier Airlines are the most popular budget airlines flying from San Diego International Airport to Denver International Airport, with one-way fares starting from $22. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • San Diego International Airport to Denver 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 San Diego International Airport and Denver 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.