DEN - SAN

£67 Find Cheap Flights from Denver to San Diego – Compare and Save

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 28/8. 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
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
£118
Typical prices: £88-£224
United Airlines
Sat 7/11Sat 14/11
DEN - SAN • Direct
Cheapest one-way flight
£67
Typical prices: £68-£130
Southwest
Fri 28/8
DEN - SAN • Direct
Direct flights
You can fly direct with Alaska Airlines, Frontier, and others. Average duration is 2h 27m
Direct flights
Direct flights
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Direct flights
Direct flights
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Avoid delays
Most punctual • 89% on-time
Best time • Fewest delays
Insights
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When to book
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 45% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 38% price drop
Most popular
Good to know
Good to know
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We hope you love your trip to San Diego!
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Booking Insights
Flight Deals

Cheap Flights from Denver to San Diego (DEN-SAN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return 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 for you by selecting your travel dates on KAYAK.

Recent return flight deals from Denver to San Diego

Sat, 7 Nov - Sat, 14 Nov
United Airlines Logo
13:25 - 14:55
DEN
-
SAN
2h 30mdirect
United Airlines Logo
08:45 - 12:10
SAN
-
DEN
2h 25mdirect
£118United Airlines
Wed, 9 Sep - Sat, 12 Sep
Southwest Logo
09:15 - 10:35
DEN
-
SAN
2h 20mdirect
Southwest Logo
13:55 - 19:40
SAN
-
DEN
4h 45m
1 stop
£122Southwest
Sat, 29 Aug - Mon, 31 Aug
Southwest Logo
14:55 - 16:15
DEN
-
SAN
2h 20mdirect
Southwest Logo
16:50 - 20:15
SAN
-
DEN
2h 25mdirect
£125Southwest
Sat, 12 Sep - Tue, 15 Sep
Southwest Logo
14:00 - 19:30
DEN
-
SAN
6h 30m
2 stops
Southwest Logo
15:15 - 18:40
SAN
-
DEN
2h 25mdirect
£126Southwest
Wed, 9 Sep - Sat, 12 Sep
Southwest Logo
12:35 - 16:35
DEN
-
SAN
5h 00m
1 stop
Southwest Logo
13:55 - 19:40
SAN
-
DEN
4h 45m
1 stop
£129Southwest
Sat, 12 Sep - Sat, 19 Sep
Southwest Logo
14:00 - 19:30
DEN
-
SAN
6h 30m
2 stops
Southwest Logo
13:55 - 19:40
SAN
-
DEN
4h 45m
1 stop
£130Southwest
Mon, 7 Dec - Fri, 11 Dec
United Airlines Logo
08:00 - 09:17
DEN
-
SAN
2h 17mdirect
United Airlines Logo
16:10 - 19:33
SAN
-
DEN
2h 23mdirect
£133United Airlines
Sat, 19 Sep - Tue, 22 Sep
Southwest Logo
13:35 - 18:55
DEN
-
SAN
6h 20m
2 stops
Southwest Logo
12:20 - 18:45
SAN
-
DEN
5h 25m
1 stop
£134Southwest
Sat, 29 Aug - Mon, 31 Aug
Southwest Logo
12:00 - 16:45
DEN
-
SAN
5h 45m
1 stop
Southwest Logo
09:35 - 14:30
SAN
-
DEN
3h 55m
1 stop
£137Southwest
Fri, 6 Nov - Sun, 8 Nov
Southwest Logo
16:55 - 19:55
DEN
-
SAN
4h 00m
1 stop
Southwest Logo
07:45 - 11:05
SAN
-
DEN
2h 20mdirect
£137Southwest
Booking Insights

KAYAK’s insights & trends for Denver to San Diego flights

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.

How much is a return flight from Denver to San Diego?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Denver to San Diego departing in November.

Flight prices are below average for this route right now.

Flights to San Diego from Denver usually cost between £119 and £201 in November.
The lowest price found in the past 5 days was £118 on United Airlines (7 Nov–14 Nov).

What’s the cheapest day of the week to fly from Denver to San Diego?

The average price of all round-trip flights from Denver to San Diego clicked on KAYAK for each day over the last 12 months.

When flying from Denver to San Diego, you should consider leaving on a Tuesday and avoid Wednesdays if you are looking for the best rates. For your return to Denver, you’ll find the best rates on Mondays and the most expensive ones on Wednesdays.

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 February, where tickets cost £89 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £201 and £198 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 4 weeks before departure, which saves you about 45% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Good to know - Cheap tickets from Denver to San Diego

Low season

January

Cheapest flight

£67
Best time to beat the crowds (30% less expensive on average)
Most popular time to fly (9% 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 5 days, the lowest price for a flight from Denver to San Diego was £67 for a one-way ticket and £118 for a return.

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

    Alaska Airlines, JetBlue, American Airlines, and Aeromexico 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 Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Denver to San Diego flight route.

  • 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.

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.

Prefer to fly direct from Denver to San Diego?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Denver Intl 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

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Tuesday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Wednesday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Thursday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Friday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Saturday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Sunday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

See more direct flights

Direct returns

San Diego to Denver Intl

Monday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Tuesday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Wednesday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Thursday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Friday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Saturday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

Sunday

Alaska Airlines,Frontier,Southwest, +1 more

Alaska Airlines,Frontier, +2 more

See more direct flights

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

Information on your arrival and departure airports