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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 HK$166 and round-trip from HK$320. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SAN 06:30
      2h 36m
      Direct
      DEN 10:06
      San Diego - Denver | Sat, Dec 5 | Frontier Airlines
      DEN 08:49
      2h 30m
      Direct
      SAN 10:19
      Denver - San Diego | Sat, Dec 12 | Frontier Airlines
      HK$320 HK$587
      45% off
      45% off
      HK$587 HK$320
    • SAN 06:30
      2h 36m
      Direct
      DEN 10:06
      San Diego - Denver | Thu, Dec 10 | Frontier Airlines
      DEN 08:49
      2h 30m
      Direct
      SAN 10:19
      Denver - San Diego | Wed, Dec 16 | Frontier Airlines
      HK$362 HK$587
      38% off
      38% off
      HK$587 HK$362
    • SAN 06:30
      2h 34m
      Direct
      DEN 10:04
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      DEN 22:29
      2h 28m
      Direct
      SAN 23:57
      Denver - San Diego | Sun, Nov 22 | Frontier Airlines
      HK$404 HK$587
      31% off
      31% off
      HK$587 HK$404
    • SAN 06:25
      2h 34m
      Direct
      DEN 09:59
      San Diego - Denver | Wed, Nov 18 | Frontier Airlines
      DEN 22:29
      2h 28m
      Direct
      SAN 23:57
      Denver - San Diego | Mon, Nov 23 | Frontier Airlines
      HK$466
      21% off
      HK$587 HK$466
    • SAN 06:25
      2h 34m
      Direct
      DEN 09:59
      San Diego - Denver | Sat, Nov 7 | Frontier Airlines
      DEN 22:29
      2h 28m
      Direct
      SAN 23:57
      Denver - San Diego | Sun, Nov 8 | Frontier Airlines
      HK$474
      19% off
      HK$587 HK$474
    • SAN 06:25
      2h 34m
      Direct
      DEN 09:59
      San Diego - Denver | Tue, Nov 10 | Frontier Airlines
      DEN 22:29
      2h 28m
      Direct
      SAN 23:57
      Denver - San Diego | Sun, Nov 15 | Frontier Airlines
      HK$478
      19% off
      HK$587 HK$478
    • SAN 06:30
      2h 34m
      Direct
      DEN 10:04
      San Diego - Denver | Thu, Dec 3 | Frontier Airlines
      DEN 08:49
      2h 30m
      Direct
      SAN 10:19
      Denver - San Diego | Sun, Dec 6 | Frontier Airlines
      HK$509
      13% off
      HK$587 HK$509
    • SAN 06:25
      2h 34m
      Direct
      DEN 09:59
      San Diego - Denver | Sun, Nov 15 | Frontier Airlines
      DEN 22:29
      2h 28m
      Direct
      SAN 23:57
      Denver - San Diego | Wed, Nov 18 | Frontier Airlines
      HK$516
      12% off
      HK$587 HK$516
    • SAN 06:30
      2h 34m
      Direct
      DEN 10:04
      San Diego - Denver | Fri, Dec 4 | Frontier Airlines
      DEN 08:49
      2h 30m
      Direct
      SAN 10:19
      Denver - San Diego | Sun, Dec 6 | Frontier Airlines
      HK$517
      12% off
      HK$587 HK$517
    • SAN 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Diego - Denver | Tue, Nov 3 | Normal Airline
      DEN 15:00
      6h
      Direct
      SAN 16:00
      Denver - San Diego | Thu, Nov 5 | Normal Airline
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    • Cheapest
      SAN 06:30
      2h 36m
      Direct
      DEN 10:06
      San Diego - Denver | Sat, Dec 5 | Frontier Airlines
      HK$166 HK$481
      65% off
      65% off
      HK$481 HK$166
    • SAN 17:29
      2h 31m
      Direct
      DEN 21:00
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      HK$257 HK$481
      47% off
      47% off
      HK$481 HK$257
    • SAN 06:36
      2h 34m
      Direct
      DEN 10:10
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      HK$267 HK$1,569
      83% off
      83% off
      HK$1,569 HK$267
    • SAN 06:36
      2h 34m
      Direct
      DEN 10:10
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      HK$269
      44% off
      HK$481 HK$269
    • SAN 06:30
      2h 36m
      Direct
      DEN 10:06
      San Diego - Denver | Sun, Dec 13 | Frontier Airlines
      HK$270
      44% off
      HK$481 HK$270
    • SAN 06:30
      2h 34m
      Direct
      DEN 10:04
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      HK$275
      82% off
      HK$1,569 HK$275
    • SAN 06:30
      2h 34m
      Direct
      DEN 10:04
      San Diego - Denver | Mon, Nov 23 | Frontier Airlines
      HK$344
      28% off
      HK$481 HK$344
    • SAN 16:16
      2h 34m
      Direct
      DEN 19:50
      San Diego - Denver | Thu, Dec 24 | Frontier Airlines
      HK$346
      28% off
      HK$481 HK$346
    • SAN 11:16
      2h 42m
      Direct
      DEN 14:58
      San Diego - Denver | Wed, Dec 2 | Frontier Airlines
      HK$421
      12% off
      HK$481 HK$421
    • SAN 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Diego - Denver | Tue, Nov 3 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      SAN 06:30
      2h 36m
      Direct
      DEN 10:06
      San Diego - Denver | Sat, Dec 5 | Frontier Airlines
      HK$166 HK$481
      65% off
      65% off
      HK$481 HK$166
    • SAN 17:29
      2h 31m
      Direct
      DEN 21:00
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      HK$257 HK$481
      47% off
      47% off
      HK$481 HK$257
    • SAN 06:36
      2h 34m
      Direct
      DEN 10:10
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      HK$267 HK$1,569
      83% off
      83% off
      HK$1,569 HK$267
    • SAN 06:36
      2h 34m
      Direct
      DEN 10:10
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      HK$269
      44% off
      HK$481 HK$269
    • SAN 06:30
      2h 36m
      Direct
      DEN 10:06
      San Diego - Denver | Sun, Dec 13 | Frontier Airlines
      HK$270
      44% off
      HK$481 HK$270
    • SAN 06:30
      2h 34m
      Direct
      DEN 10:04
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      HK$275
      82% off
      HK$1,569 HK$275
    • SAN 06:30
      2h 34m
      Direct
      DEN 10:04
      San Diego - Denver | Mon, Nov 23 | Frontier Airlines
      HK$344
      28% off
      HK$481 HK$344
    • SAN 16:16
      2h 34m
      Direct
      DEN 19:50
      San Diego - Denver | Thu, Dec 24 | Frontier Airlines
      HK$346
      28% off
      HK$481 HK$346
    • SAN 11:16
      2h 42m
      Direct
      DEN 14:58
      San Diego - Denver | Wed, Dec 2 | Frontier Airlines
      HK$421
      12% off
      HK$481 HK$421
    • SAN 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Diego - Denver | Tue, Nov 3 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SAN 06:36
      2h 34m
      Direct
      DEN 10:10
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      HK$267 HK$1,569
      83% off
      83% off
      HK$1,569 HK$267
    • SAN 06:30
      2h 34m
      Direct
      DEN 10:04
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      HK$275 HK$1,569
      82% off
      82% off
      HK$1,569 HK$275
    • SAN 06:30
      2h 34m
      Direct
      DEN 10:04
      San Diego - Denver | Mon, Nov 23 | Frontier Airlines
      HK$344 HK$1,569
      78% off
      78% off
      HK$1,569 HK$344
    • SAN 16:16
      2h 34m
      Direct
      DEN 19:50
      San Diego - Denver | Thu, Dec 24 | Frontier Airlines
      HK$346
      78% off
      HK$1,569 HK$346
    • SAN 16:53
      2h 32m
      Direct
      DEN 20:25
      San Diego - Denver | Tue, Nov 17 | Frontier Airlines
      HK$424
      73% off
      HK$1,569 HK$424
    • SAN 06:36
      2h 36m
      Direct
      DEN 10:12
      San Diego - Denver | Tue, Jan 5 | Frontier Airlines
      HK$427
      73% off
      HK$1,569 HK$427
    • SAN 06:25
      2h 36m
      Direct
      DEN 10:01
      San Diego - Denver | Wed, Dec 30 | Frontier Airlines
      HK$427
      73% off
      HK$1,569 HK$427
    • SAN 06:30
      2h 34m
      Direct
      DEN 10:04
      San Diego - Denver | Tue, Dec 1 | Frontier Airlines
      HK$428
      73% off
      HK$1,569 HK$428
    • SAN 06:25
      2h 34m
      Direct
      DEN 09:59
      San Diego - Denver | Mon, Nov 9 | Frontier Airlines
      HK$444
      72% off
      HK$1,569 HK$444
    • SAN 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Diego - Denver | Tue, Nov 3 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      SAN 06:25
      2h 34m
      Direct
      DEN 09:59
      San Diego - Denver | Fri, Nov 6 | Frontier Airlines
      HK$714 HK$1,950
      63% off
      63% off
      HK$1,950 HK$714
    • SAN 16:53
      2h 32m
      Direct
      DEN 20:25
      San Diego - Denver | Sat, Nov 7 | Frontier Airlines
      HK$725 HK$1,950
      63% off
      63% off
      HK$1,950 HK$725
    • SAN 06:25
      2h 34m
      Direct
      DEN 09:59
      San Diego - Denver | Thu, Nov 5 | Frontier Airlines
      HK$727 HK$1,950
      63% off
      63% off
      HK$1,950 HK$727
    • SAN 16:53
      2h 32m
      Direct
      DEN 20:25
      San Diego - Denver | Sun, Nov 8 | Frontier Airlines
      HK$1,078
      45% off
      HK$1,950 HK$1,078
    • SAN 15:45
      2h 34m
      Direct
      DEN 19:19
      San Diego - Denver | Fri, Nov 6 | Alaska Airlines
      HK$1,283
      34% off
      HK$1,950 HK$1,283
    • SAN 15:45
      2h 34m
      Direct
      DEN 19:19
      San Diego - Denver | Thu, Nov 5 | Alaska Airlines
      HK$1,303
      33% off
      HK$1,950 HK$1,303
    • SAN 16:53
      2h 32m
      Direct
      DEN 20:25
      San Diego - Denver | Tue, Nov 3 | Frontier Airlines
      HK$1,393
      28% off
      HK$1,950 HK$1,393
    • SAN 16:53
      2h 32m
      Direct
      DEN 20:25
      San Diego - Denver | Wed, Nov 4 | Frontier Airlines
      HK$1,396
      28% off
      HK$1,950 HK$1,396
    • SAN 15:45
      2h 34m
      Direct
      DEN 19:19
      San Diego - Denver | Tue, Nov 3 | Alaska Airlines
      HK$1,735
      11% off
      HK$1,950 HK$1,735
    • SAN 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Diego - Denver | Tue, Nov 3 | Normal Airline
      Find more flights
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    • SAN 17:29
      2h 31m
      Direct
      DEN 21:00
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      HK$257 HK$481
      47% off
      47% off
      HK$481 HK$257
    • SAN 16:53
      2h 32m
      Direct
      DEN 20:25
      San Diego - Denver | Tue, Nov 17 | Frontier Airlines
      HK$424 HK$481
      12% off
      12% off
      HK$481 HK$424
    • SAN 16:53
      2h 32m
      Direct
      DEN 20:25
      San Diego - Denver | Sat, Nov 14 | Frontier Airlines
      HK$427 HK$481
      11% off
      11% off
      HK$481 HK$427
    • SAN 16:53
      2h 32m
      Direct
      DEN 20:25
      San Diego - Denver | Wed, Nov 18 | Frontier Airlines
      HK$485
      69% off
      HK$1,569 HK$485
    • SAN 16:53
      2h 32m
      Direct
      DEN 20:25
      San Diego - Denver | Tue, Nov 3 | Frontier Airlines
      HK$1,393
      11% off
      HK$1,569 HK$1,393
    • SAN 16:53
      2h 32m
      Direct
      DEN 20:25
      San Diego - Denver | Wed, Nov 4 | Frontier Airlines
      HK$1,396
      11% off
      HK$1,569 HK$1,396
    • SAN 06:36
      2h 34m
      Direct
      DEN 10:10
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      HK$267
      83% off
      HK$1,569 HK$267
    • SAN 06:36
      2h 34m
      Direct
      DEN 10:10
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      HK$269
      44% off
      HK$481 HK$269
    • SAN 06:30
      2h 34m
      Direct
      DEN 10:04
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      HK$275
      82% off
      HK$1,569 HK$275
    • SAN 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Diego - Denver | Tue, Nov 3 | Normal Airline
      Find more flights
      Find more flights

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 to fly from San Diego International Airport to Denver International Airport?

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

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from San Diego International Airport to Denver International Airport are usually in February, with an average price of HK$458. It is best to avoid September, when the average price can reach HK$1,628.

HK$1,628
HK$1,043
HK$458
0
    Cheapest
  • HK$598
    Oct
  • HK$1,210
    Nov
  • HK$973
    Dec
  • HK$830
    Jan
  • HK$458
    Feb
  • HK$978
    Mar
  • HK$1,162
    Apr
  • HK$1,017
    May
  • HK$1,264
    Jun
  • HK$1,429
    Jul
  • HK$1,339
    Aug
  • HK$1,628
    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 departure day from San Diego International Airport to Denver International Airport is Tuesday, with average prices usually lower than other days. Avoid departing on Saturday as prices are typically highest on that day.

HK$1,331
HK$1,086
HK$840
HK$595
  • HK$1,149
    Mon
  • HK$840
    Tue
  • HK$1,134
    Wed
  • HK$1,050
    Thu
  • HK$1,134
    Fri
  • HK$1,331
    Sat
  • HK$1,019
    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 HK$166) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From HK$166
Alaska Airlines
From HK$578
American Airlines
From HK$692
Delta Air Lines
From HK$704
United Airlines
From HK$981
Hahn Air
From HK$1,519
Jetblue Airways
From HK$2,775

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

    15:04

    SAN

    2h 33m

    18:37

    DEN

    S M T W T F S
    Search

  2. F92818

    San Diego International Airport

    06:36

    SAN

    2h 34m

    10:10

    DEN

    S M T W T F S
    Search

  3. F91572

    San Diego International Airport

    14:45

    SAN

    1h 26m

    Direct

    17:11

    PHX

    - M T - - F -
    Search

  4. F91820

    Phoenix Sky Harbor International Airport

    20:59

    PHX

    1h 50m

    Direct

    23:49

    DEN

    S M T W T F S

  5. F91572

    San Diego International Airport

    14:45

    SAN

    1h 26m

    Direct

    17:11

    PHX

    - M T - - F -
    Search

  6. F92142

    Phoenix Sky Harbor International Airport

    15:57

    PHX

    1h 51m

    Direct

    17:48

    DEN

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

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 1,372.91km
Cheapest one-way ticket price HK$166
Cheapest return ticket price HK$320

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 HK$1,301 in November, the most expensive month to book this route.
  • 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 HK$166, and round-trip fares start from HK$320. The current lowest fare is a Frontier Airlines flight departing on Sat, Dec 5; 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 HK$1,213. 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 HK$166. 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.

Find Cheap Flights with Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.