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Flights from San Diego to Denver

Flight deals from San Diego to Denver

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from San Diego to Denver

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
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  • 13 20
  • 20 27

  • May

    27 4
  • 4 11
  • 11 18
  • 18 25

  • Jun

    25 1
  • 1 8
  • 8 15
  • 15 22
  • 22 29

  • Jul

    29 6
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from San Diego to Denver

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines logo Frontier Airlines United Airlines logo United Airlines

FAQ

  • When are flight tickets from San Diego (SAN) to Denver (DEN) the cheapest?

    Airlines adjust prices for flights from San Diego to Denver based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from San Diego (SAN) to Denver (DEN) cost?

    According to Trip.com's data, the lowest price is around NZD 405.

  • How long does it take to fly from San Diego (SAN) to Denver (DEN) and what is the distance?

    It takes around 4 hours 18 minutes to fly from San Diego (SAN) to Denver (DEN).

  • What are the most popular airlines that fly from San Diego (SAN) to Denver (DEN)?

    Airlines with flights from San Diego (SAN) to Denver (DEN): Southwest Airlines, United Airlines, Volaris, Frontier Airlines, Air Canada and Copa Airlines.

How to find a cheap flight from San Diego to Denver

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Diego to Denver. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from San Diego to Denver

Cheapest one-way flight price NZD 32
Cheapest round-trip ticket price NZD 97
Off-season for travel March
Peak season for travel January
Flight distance 1,371.45 km
Average flight time 4 hours 18 minutes
Popular airline Alaska Airlines

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