Flight Routes from San Diego to Denver

Compare cheap outbound and return flights from San Diego (SAN) to Denver (DEN) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€185
Fastest flight
non-stop flights
93x / week
Flight distance
1,373 km
Time difference
Most popular airlines
  1. United Airlines
  2. Frontier Airlines
  3. Southwest Airlines

Cheap flight offers from San Diego to Denver

sorted by price and recency
filters
  1. –
    Alaska Airlines
    –
    SAN–DEN
    non-stop flight
    Alaska Airlines
    –
    DEN–SAN
    non-stop flight
    €267
  2. –
    Frontier Airlines
    –
    SAN–DEN
    non-stop flight
    Alaska Airlines
    –
    DEN–SAN
    non-stop flight
    €233
  3. –
    Frontier Airlines
    –
    SAN–DEN
    non-stop flight
    Frontier Airlines
    –
    DEN–SAN
    non-stop flight
    €185
  4. –
    Alaska Airlines
    –
    SAN–DEN
    2 stopovers
    Volaris
    –
    DEN–SAN
    3 stopovers
    €929
  5. –
    Alaska Airlines
    –
    SAN–DEN
    non-stop flight
    Alaska Airlines
    –
    DEN–SAN
    non-stop flight
    €2,967
  6. –
    Southwest Airlines
    –
    SAN–DEN
    non-stop flight
    Southwest Airlines
    –
    DEN–SAN
    non-stop flight
    €271

Flight schedule from San Diego (SAN) to Denver (DEN)

Select a travel date in the flight schedule for the route from San Diego (SAN) to Denver (DEN) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flightsSAN–DEN · 47 of 47
fromto
dep.arr.
durationstopovers
  1. November 8 – 14, 2026
  2. November 15 – 21, 2026
  3. November 22 – 28, 2026
    1. SANDEN
      nonstop
      1. Southwest Airlines
    2. SANDEN
      nonstop
      1. Frontier Airlines
    3. SANDEN
      nonstop
      1. Frontier Airlines
    4. SANDEN
      nonstop
      1. Southwest Airlines
    5. SANDEN
      nonstop
      1. Southwest Airlines
    6. SANDEN
      nonstop
      1. Alaska Airlines
    7. SANDEN
      nonstop
      1. United Airlines
    8. SANDEN
      nonstop
      1. Southwest Airlines
    9. SANDEN
      nonstop
      1. Alaska Airlines
    10. SANDEN
      nonstop
      1. Southwest Airlines
    11. SANDEN
      nonstop
      1. Southwest Airlines
    12. SANDEN
      nonstop
      1. United Airlines
    13. SANDEN
      nonstop
      1. Southwest Airlines
    14. SANDEN
      nonstop
      1. Alaska Airlines
    15. SANDEN
      nonstop
      1. Southwest Airlines

      Important flight information

      Frequently Asked Questions (FAQ)

      How long is the flight from San Diego to Denver?
      A nonstop flight from San Diego to Denver typically takes around 2 hours 20 minutes. If you choose a connecting flight, allow more travel time. Typical one-stop itineraries take around 22 hours 48 minutes. For the quickest trip, a nonstop flight is usually the most comfortable choice.
      Are there nonstop flights from San Diego to Denver?
      Yes, there are nonstop flights from San Diego to Denver, averaging around 13 to 14 flights per day, operated by, among others, Southwest, United Airlines and Frontier Airlines. If you want to fly without a layover, it is worth filtering specifically for nonstop flights when searching.
      Which airlines fly from San Diego to Denver?
      Direct flights from San Diego to Denver are operated by, among others, Southwest, United Airlines and Frontier Airlines. Connecting flights with one stop are also available, for example with Delta (via Salt Lake City) and JetBlue Airways (via New York). If travel time matters to you, a direct flight is usually the most convenient option. Connecting flights often give you more choice of departure times and airlines.
      On which days are there nonstop flights from San Diego to Denver?
      Nonstop flights from San Diego to Denver operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.
      How many flights are there per day from San Diego to Denver?
      From San Diego to Denver, there are on average around 13 to 14 flights per day. This usually means you have a good choice of departure times. If you are flexible, you can easily compare times, prices, and airlines.
      How many flights per week are there from San Diego to Denver?
      From San Diego to Denver, there are around 94 to 95 flights per week. This means you usually have connections available on several days and at various times. Beyond the price, it is worth comparing flight duration, airline, and any potential additional fees.
      When does the first flight from San Diego to Denver depart?
      The earliest nonstop flight from San Diego to Denver usually departs at 6:15 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in Denver.
      When does the last flight from San Diego to Denver depart?
      The last nonstop flight from San Diego to Denver usually departs at 9:45 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.

      Discover more flights around San Diego and Denver

      Departure airport Airport San Diego - Lindberg Field International, CA (SAN)
      Arrival airport Airport Denver International Airport, CO (DEN)
      Destination country Flights to United States
      Departure airport - Destination country San Diego - Lindberg Field International, CA - United States
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