DEN - SAN

Find cheap flights from Denver to San Diego

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Search hundreds of travel sites at once for deals on flights to San Diego

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to San Diego, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to San Diego, as well as popular online travel agencies
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Cheap Flight Deals from Denver to San Diego (DEN-SAN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Denver to San Diego

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Denver to San Diego.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
DEN-SAN
2206 kmmulti-stop
SAN-DEN
2206 kmmulti-stop
Multiple Airlines
Find Deal

Flights from Denver to San Diego - Travel Insights & Trends

Get data-powered insights and trends into flights from Denver to San Diego to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Denver to San Diego?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to San Diego, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Denver to San Diego is May, where tickets cost C$ 173 (return) on average. On the other hand, the most expensive months are March and November, where the average cost of round-trip tickets is C$ 315 and C$ 312 respectively.

How far in advance should I book a flight from Denver to San Diego?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to San Diego, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Denver to San Diego, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Good to know

Low season

January

High season

July
Best time to beat the crowds (0% less expensive on average)
Most popular time to fly (8% more expensive on average)

When to book flights from Denver to San Diego

Are your dates flexible? Find out the best times to travel from Denver to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Denver to San Diego

  • Does San Diego International Airport have lactation rooms?

    You can use three lactation rooms located post-security at Terminal 1 West Rotunda, second level, near the elevator. There’s also a room at Terminal 1 East Rotunda on the ground level after the security checkpoint. In Terminal 2, the lactation room is on the second level close to Gate 34-35. The rooms are fitted with a hand washing station, comfortable seating, artwork, electrical outlets, soft lighting, and a children’s seat.

  • Are there nonstop flights from Denver to San Diego?

    Different airlines, including United Airlines and Frontier, fly nonstop from Denver International Airport to San Diego International Airport. Frontier also flies through the McCarran International Airport (LAS), but the flight could take longer. Book through KAYAK for details on different flights if you want to find the shortest route.

  • Can I travel with my pet through Denver International Airport?

    Yes, the Denver International Airport allows pets. To help you manage your pet, the airport offers a pet relief area in each concourse. There’s also one at the Jeppesen Terminal. The relief rooms are located post-security in the cores of A, B, and C Gates. All pet relief rooms have artificial turf flooring and a drainage system. There are disposal containers and bags.

  • Does San Diego International Airport offer services for disabled passengers?

    Travelers who need special assistance can contact their airlines prior to the trip to request assistance. At the San Diego International Airport, all terminals are wheelchair accessible. You can find an accessible shuttle, and if you need help, there are telephones at the airport’s reservation boards.

  • Is there complimentary Wi-Fi at San Diego International Airport?

    Wi-Fi at the San Diego International Airport is available in 2h sessions. If you want to connect quickly, enable your device's wireless connection and search for #SANfreewifi, then connect. To use the service longer, you just need to log back in when the session expires.

  • Which airlines offer Wi-Fi service onboard planes from Denver to San Diego?

    American Airlines, Alaska Airlines, and Delta offer inflight Wi-Fi service on the Denver to San Diego flight route.

  • Which aircraft models fly most regularly from Denver to San Diego?

    The Airbus A321neo is the aircraft model that flies most regularly on the Denver to San Diego flight route.

  • Which airline alliances offer flights from Denver to San Diego?

    Star Alliance is the only airline alliance operating flights between Denver and San Diego.

  • On which days can I fly direct from Denver to San Diego?

    There are direct flights from Denver to San Diego on a daily basis.

  • How does KAYAK find such low prices on flights from Denver to San Diego?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Denver to San Diego.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Denver to San Diego?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Denver is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Denver to San Diego?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Denver with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to San Diego?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Denver to San Diego

  • If you’re in the Front Range Urban Corridor or metropolitan Denver, you can use the Denver International Airport (DEN) to fly to San Diego, California.
  • At Denver International Airport, you can visit several restaurants, including Chick-fil-A at the B Gates Center Core, Ben & Jerry’s Ice Cream at A Gates Center Core, and Dazbog Coffee at C Gates near C47.
  • You can use free Wi-Fi at Denver International Airport. To connect, enable your wireless and locate “DEN Airport Free WiFi.”
  • There’s an Interfaith Chapel and Prayer Hall at the Denver International Airport in the Jeppesen Terminal, Level 6. It’s open 24h a day. You can join a Catholic Mass on Sundays at 1pm.
  • Fights from the Denver International Airport to San Diego land at the San Diego International Airport (SAN), which offers access to downtown San Diego and nearby areas.
  • For quick snacks, the San Diego International Airport offers vending machines located at Terminal 1 in the parking lot under the pedestrian bridge. Others are in Terminal 2 at the Parking Plaza in the lower level near the elevator cores.
  • For shoeshine services at San Diego International Airport, you can access the service at Terminal 2 East near Gate 23 or Terminal 2 West at the North Concourse. The shoeshine service is also available at Terminal 1 above the rotunda escalator.
  • Passengers can use luggage carts provided by Smarte Carte, which cost about $5 per cart. If you’re arriving in the International Arrivals area, the carts are free.
See more tips

Prefer to fly direct from Denver to San Diego?

Find which airlines fly direct from Denver Intl Airport to San Diego Airport, which days they fly and book direct flights.

Direct departures

Denver Intl to San Diego

Monday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Tuesday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Wednesday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Thursday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Friday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Saturday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Sunday

Air Canada,Copa Airlines,Frontier, +4 more

Air Canada,Copa Airlines, +5 more

See more nonstop flights

Direct returns

San Diego to Denver Intl

Monday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Tuesday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Wednesday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Thursday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Friday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Saturday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

Sunday

Air Canada,Copa Airlines,Frontier, +3 more

Air Canada,Copa Airlines, +4 more

See more nonstop flights
See more nonstop flights

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Borrego Springs
La Mesa
National City
Lemon Grove
Alpine
San Ysidro
Santee
Imperial Beach
Poway
Julian

Everything you need to know for your flight from Denver to San Diego

Information on your arrival and departure airports

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