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DEN - SAN

£69 Find cheap flights from Denver to San Diego

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to San Diego departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 26/5
Sun 2/6

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
In the last 7 days, travellers have searched 44,335,567 times on KAYAK, and here's why:

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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.
Discover the best prices and deals for you by selecting your travel dates.
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18:00 - 22:47DEN-SAN
5h 47m1 stop
17:16 - 23:14SAN-DEN
4h 58m1 stop
£157Delta
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Sat, 25 May - Sat, 1 Jun
18:00 - 22:47DEN-SAN
5h 47m1 stop
10:10 - 15:45SAN-DEN
4h 35m1 stop
£158Delta
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Sat, 25 May - Wed, 29 May
12:55 - 17:46DEN-SAN
5h 51m1 stop
17:15 - 22:54SAN-DEN
4h 39m1 stop
£158Delta
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Sat, 8 Jun - Tue, 11 Jun
18:00 - 22:47DEN-SAN
5h 47m1 stop
06:15 - 11:57SAN-DEN
4h 42m1 stop
£166Delta
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Sat, 1 Jun - Wed, 5 Jun
05:40 - 12:03DEN-SAN
7h 23m1 stop
17:16 - 23:14SAN-DEN
4h 58m1 stop
£166Delta
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Tue, 28 May - Fri, 31 May
19:04 - 22:58DEN-SAN
4h 54m1 stop
17:15 - 22:51SAN-DEN
4h 36m1 stop
£170Delta
Find Deal
Tue, 6 Aug - Mon, 12 Aug
18:00 - 22:47DEN-SAN
5h 47m1 stop
17:16 - 23:14SAN-DEN
4h 58m1 stop
£174Delta
Find Deal
Sat, 25 May - Mon, 3 Jun
06:15 - 09:49DEN-SAN
4h 34m1 stop
17:15 - 22:54SAN-DEN
4h 39m1 stop
£174Delta
Find Deal
Sat, 22 Jun - Mon, 24 Jun
12:58 - 20:57DEN-SAN
8h 59m2 stops
06:31 - 23:58SAN-DEN
16h 27m2 stops
£259Alaska Airlines
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Sat, 25 May - Sat, 1 Jun
10:53 - 20:57DEN-SAN
11h 04m2 stops
06:45 - 16:37SAN-DEN
8h 52m1 stop
£264Alaska Airlines
Find Deal
Sat, 25 May - Wed, 29 May

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 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 January, where tickets cost £102 on average. On the other hand, the most expensive months are March and December, where the average cost of tickets is £215 and £198 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for 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 month.
To get a below average price on the flight from Denver to San Diego, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 33 days before departure.

Which airlines provide the cheapest flights from Denver to San Diego?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, Frontier offered the best one-way deal for that route, at £69. KAYAK users also found Denver to San Diego return flights on Delta from £157 and on Alaska Airlines from £259.

Which airlines fly most frequently between Denver and San Diego?

Southwest connects Denver to San Diego with up to 7 flights per day. United Airlines also offers 7 flights per day, while Frontier follows with 3 flights per day.

How many flights are there between Denver and San Diego per day?

Each day, there are between 16 and 22 nonstop flights that take off from Denver and land in San Diego, with an average flight time of 2h 24m. The most common departure time is 13:00 and most flights take off in the morning. Each week, there are 130 flights. The most frequent day of departure is Sunday, when 17% of all weekly flights depart. The fewest flights depart on a Tuesday.

Which cabin class options are there for flights between Denver and San Diego?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

What’s the earliest departure time from Denver to San Diego?

Early birds can take the earliest flight from Denver at 05:30 and will be landing in San Diego at 07:00.

What’s the latest departure time from Denver to San Diego?

If you prefer to fly at night, the latest flight from Denver to San Diego jets off at 21:25 and lands at 22:50.

Good to know - Cheap tickets from Denver to San Diego

Low season

January

High season

March

Cheapest flight

£69
Best time to beat the crowds (37% less expensive on average)
Most popular time to fly (33% more expensive on average)
Flight from Denver to San Diego

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 return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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.

  • What is the cheapest flight from Denver to San Diego?

    In the last 3 days, the lowest price for a flight from Denver to San Diego was £86 for a one-way ticket and £196 for a return.

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

    Delta, American Airlines, Alaska Airlines, and JetBlue 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 A320neo 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 return 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

Top tips for finding a cheap flight from Denver to San Diego

  • Looking for a cheap flight from San Diego to Denver? 25% of our users found flights on this route for £31 or less one-way.
  • 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 to San Diego, which days they fly and book direct flights.

Direct departures

Denver Intl to San Diego

Monday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Tuesday

Air Canada, Frontier, Lufthansa, +3 more

Air Canada, Frontier, +4 more

Wednesday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Thursday

Air Canada, Copa Airlines, Frontier, +3 more

Air Canada, Copa Airlines, +4 more

Friday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 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 direct flights

Direct returns

San Diego to Denver Intl

Monday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Tuesday

Air Canada, Frontier, Lufthansa, +3 more

Air Canada, Frontier, +4 more

Wednesday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Thursday

Air Canada, Copa Airlines, Frontier, +3 more

Air Canada, Copa Airlines, +4 more

Friday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 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 direct flights
See more direct flights

Book cheap flights from Denver to San Diego

Cheapest flights to San Diego from Denver found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Denver to San Diego found on KAYAK in the last 72 hours.
12/10Sat
directFrontier
2h 23mDEN-SAN
£69
2/5Thu
directFrontier
2h 32mDEN-SAN
£71
2/5Thu
1 stopFrontier
5h 16mDEN-SAN
£72
25/5Sat
1 stopDelta
5h 47mDEN-SAN
£78
30/5Thu
1 stopDelta
4h 24mDEN-SAN
£79
31/5Fri
1 stopDelta
6h 41mDEN-SAN
£87
12/10Sat
1 stopAlaska Airlines
6h 57mDEN-SAN
£112
1/6Sat
directUnited Airlines
2h 22mDEN-SAN
£144
10/6Mon
2 stopsAlaska Airlines
16h 10mDEN-SAN
£150
1/6Sat
directUnited Airlines
2h 22mDEN-SAN
£154

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Last minute flights from Denver to San Diego

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Denver to San Diego that are departing in the next 10 days.
1/5Wed
multi-stopDelta
5h 23mDEN-SAN
29/6Sat
multi-stopDelta
6h 45mSAN-DEN
£214
1/5Wed
multi-stopDelta
5h 23mDEN-SAN
27/6Thu
multi-stopDelta
6h 45mSAN-DEN
£230
1/5Wed
multi-stopDelta
4h 49mDEN-SAN
3/7Wed
multi-stopDelta
4h 39mSAN-DEN
£246
1/5Wed
multi-stopDelta
4h 50mDEN-SAN
4/5Sat
multi-stopDelta
4h 55mSAN-DEN
£391
30/4Tue
multi-stopAlaska Airlines
8h 55mDEN-SAN
4/5Sat
multi-stopAlaska Airlines
15h 54mSAN-DEN
£469
1/5Wed
multi-stopAlaska Airlines
6h 35mDEN-SAN
6/5Mon
multi-stopAlaska Airlines
25h 33mSAN-DEN
£481
29/4Mon
multi-stopAlaska Airlines
7h 12mDEN-SAN
4/5Sat
multi-stopAlaska Airlines
13h 01mSAN-DEN
£489
30/4Tue
multi-stopAlaska Airlines
16h 48mDEN-SAN
5/5Sun
multi-stopAlaska Airlines
8h 32mSAN-DEN
£496
29/4Mon
multi-stopAlaska Airlines
7h 12mDEN-SAN
30/4Tue
multi-stopAlaska Airlines
25h 33mSAN-DEN
£532
30/4Tue
multi-stopAlaska Airlines
6h 35mDEN-SAN
2/5Thu
multi-stopAlaska Airlines
25h 53mSAN-DEN
£548

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Denver - San Diego Flights

Departure:

Denver (DEN)United States

Destination:

San Diego (SAN)United States

Return flight deals:

San Diego - Denver

Cabin classes:

£225

Browse origins:

  • Flights » 
  • Denver

Browse destinations:

  • Flights » 
  • Worldwide » 
  • San Diego