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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 €31 and round-trip from €52. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      SAN 6:36 AM
      2h 34m
      Nonstop
      DEN 10:10 AM
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      €31 €180
      83% off
      83% off
      €180 €31
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      €32 €180
      82% off
      82% off
      €180 €32
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Mon, Nov 23 | Frontier Airlines
      €40 €180
      78% off
      78% off
      €180 €40
    • SAN 4:16 PM
      2h 34m
      Nonstop
      DEN 7:50 PM
      San Diego - Denver | Thu, Dec 24 | Frontier Airlines
      €40
      78% off
      €180 €40
    • SAN 11:16 AM
      2h 42m
      Nonstop
      DEN 2:58 PM
      San Diego - Denver | Fri, Dec 18 | Frontier Airlines
      €49
      26% off
      €66 €49
    • SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Mon, Dec 21 | Frontier Airlines
      €49
      26% off
      €66 €49
    • SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Thu, Dec 24 | Frontier Airlines
      €49
      26% off
      €66 €49
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Mon, Nov 30 | Frontier Airlines
      €49
      26% off
      €66 €49
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Fri, Nov 20 | Frontier Airlines
      €49
      26% off
      €66 €49
    • SAN 1:00 PM
      17h 25m
      1 stop
      DEN 2:00 PM
      San Diego - Denver | Tue, Nov 3 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Sat, Nov 14 | Frontier Airlines
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 18 | Frontier Airlines
      €52 €85
      39% off
      39% off
      €85 €52
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Fri, Nov 27 | Frontier Airlines
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Sun, Nov 29 | Frontier Airlines
      €54 €85
      36% off
      36% off
      €85 €54
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Fri, Nov 20 | Frontier Airlines
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Wed, Nov 25 | Frontier Airlines
      €54 €85
      36% off
      36% off
      €85 €54
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Fri, Dec 4 | Frontier Airlines
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Dec 8 | Frontier Airlines
      €54
      36% off
      €85 €54
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Mon, Nov 23 | Frontier Airlines
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Nov 24 | Frontier Airlines
      €55
      35% off
      €85 €55
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Thu, Nov 26 | Frontier Airlines
      DEN 10:29 PM
      2h 28m
      Nonstop
      SAN 11:57 PM
      Denver - San Diego | Tue, Dec 1 | Frontier Airlines
      €55
      35% off
      €85 €55
    • SAN 6:25 AM
      2h 33m
      Nonstop
      DEN 9:58 AM
      San Diego - Denver | Fri, Nov 6 | Frontier Airlines
      DEN 10:29 PM
      2h 27m
      Nonstop
      SAN 11:56 PM
      Denver - San Diego | Mon, Nov 9 | Frontier Airlines
      €62
      27% off
      €85 €62
    • SAN 6:25 AM
      2h 33m
      Nonstop
      DEN 9:58 AM
      San Diego - Denver | Mon, Nov 2 | Frontier Airlines
      DEN 10:29 PM
      2h 27m
      Nonstop
      SAN 11:56 PM
      Denver - San Diego | Fri, Nov 6 | Frontier Airlines
      €63
      26% off
      €85 €63
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Thu, Nov 12 | Frontier Airlines
      DEN 2:28 PM
      2h 30m
      Nonstop
      SAN 3:58 PM
      Denver - San Diego | Mon, Nov 16 | Frontier Airlines
      €66
      22% off
      €85 €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 nonstop
      SAN 6:36 AM
      2h 34m
      Nonstop
      DEN 10:10 AM
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      €31 €180
      83% off
      83% off
      €180 €31
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      €32 €180
      82% off
      82% off
      €180 €32
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Mon, Nov 23 | Frontier Airlines
      €40 €180
      78% off
      78% off
      €180 €40
    • SAN 4:16 PM
      2h 34m
      Nonstop
      DEN 7:50 PM
      San Diego - Denver | Thu, Dec 24 | Frontier Airlines
      €40
      78% off
      €180 €40
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Tue, Nov 17 | Frontier Airlines
      €49
      73% off
      €180 €49
    • SAN 6:36 AM
      2h 36m
      Nonstop
      DEN 10:12 AM
      San Diego - Denver | Tue, Jan 5 | Frontier Airlines
      €49
      73% off
      €180 €49
    • SAN 6:25 AM
      2h 36m
      Nonstop
      DEN 10:01 AM
      San Diego - Denver | Wed, Dec 30 | Frontier Airlines
      €49
      73% off
      €180 €49
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Tue, Dec 1 | Frontier Airlines
      €49
      73% off
      €180 €49
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Mon, Nov 9 | Frontier Airlines
      €51
      72% off
      €180 €51
    • 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
      €31 €180
      83% off
      83% off
      €180 €31
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      €32 €180
      82% off
      82% off
      €180 €32
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Mon, Nov 23 | Frontier Airlines
      €40 €180
      78% off
      78% off
      €180 €40
    • SAN 4:16 PM
      2h 34m
      Nonstop
      DEN 7:50 PM
      San Diego - Denver | Thu, Dec 24 | Frontier Airlines
      €40
      78% off
      €180 €40
    • SAN 11:16 AM
      2h 42m
      Nonstop
      DEN 2:58 PM
      San Diego - Denver | Fri, Dec 18 | Frontier Airlines
      €49
      26% off
      €66 €49
    • SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Mon, Dec 21 | Frontier Airlines
      €49
      26% off
      €66 €49
    • SAN 6:30 AM
      2h 36m
      Nonstop
      DEN 10:06 AM
      San Diego - Denver | Thu, Dec 24 | Frontier Airlines
      €49
      26% off
      €66 €49
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Mon, Nov 30 | Frontier Airlines
      €49
      26% off
      €66 €49
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Fri, Nov 20 | Frontier Airlines
      €49
      26% off
      €66 €49
    • 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
      €82 €223
      63% off
      63% off
      €223 €82
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Sat, Nov 7 | Frontier Airlines
      €83 €223
      63% off
      63% off
      €223 €83
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Sun, Nov 8 | Frontier Airlines
      €123 €223
      45% off
      45% off
      €223 €123
    • SAN 3:45 PM
      2h 34m
      Nonstop
      DEN 7:19 PM
      San Diego - Denver | Fri, Nov 6 | Alaska Airlines
      €147
      34% off
      €223 €147
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Tue, Nov 3 | Frontier Airlines
      €159
      28% off
      €223 €159
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Wed, Nov 4 | Frontier Airlines
      €160
      28% off
      €223 €160
    • SAN 6:25 AM
      2h 34m
      Nonstop
      DEN 9:59 AM
      San Diego - Denver | Thu, Nov 5 | Frontier Airlines
      €160
      28% off
      €223 €160
    • SAN 3:45 PM
      2h 34m
      Nonstop
      DEN 7:19 PM
      San Diego - Denver | Tue, Nov 3 | Alaska Airlines
      €198
      11% off
      €223 €198
    • SAN 3:45 PM
      2h 34m
      Nonstop
      DEN 7:19 PM
      San Diego - Denver | Thu, Nov 5 | Alaska Airlines
      €198
      11% off
      €223 €198
    • SAN 1:00 PM
      17h 25m
      1 stop
      DEN 2:00 PM
      San Diego - Denver | Tue, Nov 3 | Normal Airline
      Find more flights
      Find more flights
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Mon, Nov 30 | Frontier Airlines
      €49 €66
      26% off
      26% off
      €66 €49
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Tue, Nov 17 | Frontier Airlines
      €49 €180
      73% off
      73% off
      €180 €49
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Wed, Nov 18 | Frontier Airlines
      €56 €180
      69% off
      69% off
      €180 €56
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Tue, Nov 3 | Frontier Airlines
      €159
      12% off
      €180 €159
    • SAN 4:53 PM
      2h 32m
      Nonstop
      DEN 8:25 PM
      San Diego - Denver | Wed, Nov 4 | Frontier Airlines
      €160
      11% off
      €180 €160
    • SAN 6:36 AM
      2h 34m
      Nonstop
      DEN 10:10 AM
      San Diego - Denver | Thu, Dec 17 | Frontier Airlines
      €31
      83% off
      €180 €31
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Sat, Nov 21 | Frontier Airlines
      €32
      82% off
      €180 €32
    • SAN 6:30 AM
      2h 34m
      Nonstop
      DEN 10:04 AM
      San Diego - Denver | Mon, Nov 23 | Frontier Airlines
      €40
      78% off
      €180 €40
    • SAN 4:16 PM
      2h 34m
      Nonstop
      DEN 7:50 PM
      San Diego - Denver | Thu, Dec 24 | Frontier Airlines
      €40
      78% off
      €180 €40
    • 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

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

The data is based on the average one-way flight prices on Trip.com for flights from San Diego International Airport to Denver 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 San Diego International Airport to Denver International Airport, the best time to book is in February, with an average price of €53. Try to avoid September, when prices are highest, averaging around €186.

€186
€120
€53
0
    Cheapest
  • €69
    Oct
  • €139
    Nov
  • €112
    Dec
  • €95
    Jan
  • €53
    Feb
  • €112
    Mar
  • €133
    Apr
  • €117
    May
  • €145
    Jun
  • €164
    Jul
  • €153
    Aug
  • €186
    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 average flight prices on Trip.com from San Diego International Airport to Denver 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 San Diego International Airport to Denver International Airport is usually Tuesday, with average fares typically lower than other days. Try to avoid departing on Saturday, as prices are usually the highest on that day.

€152
€124
€96
€68
  • €132
    Mon
  • €96
    Tue
  • €130
    Wed
  • €120
    Thu
  • €130
    Fri
  • €152
    Sat
  • €117
    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 €49) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From €49
Alaska Airlines
From €85
Delta Air Lines
From €94
American Airlines
From €98
United Airlines
From €132
Hahn Air
From €146

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 €31
Cheapest return ticket price €52

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 €149 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 €49, and round-trip fares start from €52. The current lowest fare is a Frontier Airlines flight departing on Fri, Dec 18; 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 €139. 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 €49. 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.

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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.