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Cheap flights from Denver to San Diego from $29

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to San Diego departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap Denver to San Diego (DEN to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to San Diego

Best Price Found

$29

Fastest flight time

2h 23m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Denver in the past 72 hours is $29. The best round-trip flight deal from Denver to San Diego found on momondo in the last 72 hours is $58.
The fastest flight from Denver to San Diego takes 2h 23m
Direct flights go from Denver to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

How to get the cheapest flight ticket from Denver to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

January. The cheapest time of year to fly to San Diego from Denver is January. Most expensive is March

What is the cheapest day to depart Denver for San Diego?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday

When is the cheapest time to fly from Denver to San Diego?

In the evening. Denver to San Diego flights are approximately 22% more expensive at noon than in the evening

What is the cheapest airline that flies to San Diego from Denver?

Spirit Airlines. American Airlines, Delta, and Frontier are the most popular carriers operating from Denver to San Diego

What is the cheapest Denver to San Diego flight route?

Denver Intl - San Diego. Fly from Denver Intl to San Diego for the best Denver - San Diego flight prices

How far in advance should you book Denver to San Diego flights?

33 days before. The cheapest time to buy a flight from Denver to San Diego is approximately 33 days to departure

How many flights depart from Denver to San Diego on average per day?

24 flights are operational weekly from Denver to San Diego as of March 2024. The most popular departure time for this route is 6:00PM, with 36% of flights per day taking off in the afternoon.

How many flights depart from Denver to San Diego on average per week?

169 flights are operational weekly from Denver to San Diego as of March 2024. The most popular departure day for this route is Monday, with 17% of flights per week taking off on this day.

Can stopping save me money on Denver to San Diego flights?

No. A direct flight is the cheapest option for a flight between Denver to San Diego.

If you are looking to fly from Denver to San Diego, you are most likely going to fly from Denver Intl Airport to San Diego Airport, the most popular airports on that route. If you are looking for an alternate airport near Denver Intl Airport, Colorado Springs Airport is a great option and is located in Colorado Springs. If you are looking for alternate airports to fly into when traveling from Denver, you can try flying into Ontario Airport (in Ontario), Santa Ana J. Wayne/Orange Cnty Airport (in Santa Ana), or Palm Springs Airport (in 15). The least expensive flight option from Denver to San Diego will typically be DEN — ONT during the month of March with an average price of $69 RT.

Denver Intl Airport (DEN) to San Diego Airport (SAN)$78
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Denver Intl Airport (DEN) to Ontario Airport (ONT)$69
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Denver Intl Airport (DEN) to Santa Ana J. Wayne/Orange Cnty Airport (SNA)$75
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Denver Intl Airport (DEN) to Palm Springs Airport (PSP)$264
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Colorado Springs Airport (COS) to San Diego Airport (SAN)$283
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Colorado Springs Airport (COS) to Ontario Airport (ONT)$290
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Easily compare round-trip flights from Denver to San Diego

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Denver to San Diego by changing tabs
Frontier
Apr 23
DEN6:44 pmDenver Intl
2h 31m
SAN8:15 pmSan Diego
Apr 30
SAN8:00 amSan Diego
2h 25m
DEN11:25 amDenver Intl
Multiple Airlines
Apr 27
DEN7:00 amDenver Intl
2h 32m
SAN8:32 amSan Diego
Apr 30
SAN6:26 pmSan Diego
5h 14m
1 stop
DEN12:40 amDenver Intl
Frontier
Apr 16
DEN12:30 pmDenver Intl
2h 27m
SAN1:57 pmSan Diego
Apr 17
SAN9:24 amSan Diego
2h 23m
DEN12:47 pmDenver Intl
Frontier
May 22
DEN5:35 amDenver Intl
2h 29m
SAN7:04 amSan Diego
May 25
SAN2:55 pmSan Diego
2h 28m
DEN6:23 pmDenver Intl
Frontier
Apr 25
DEN6:30 amDenver Intl
2h 33m
SAN8:03 amSan Diego
Apr 30
SAN8:00 amSan Diego
2h 25m
DEN11:25 amDenver Intl
Frontier
Apr 24
DEN6:51 amDenver Intl
2h 33m
SAN8:24 amSan Diego
Apr 29
SAN9:23 amSan Diego
2h 23m
DEN12:46 pmDenver Intl

Find the cheapest one-way flights from Denver to San Diego

If you're looking for one-way flights from Denver to San Diego, view some of our deals below provided by Frontier
Frontier
Apr 24
DEN6:44 pmDenver Intl
2h 31m
SAN8:15 pmSan Diego
Multiple Airlines
Apr 27
DEN2:59 pmDenver Intl
5h 00m
1 stop
SAN6:59 pmSan Diego
Frontier
Jun 1
DEN5:45 amDenver Intl
2h 29m
SAN7:14 amSan Diego

Search last-minute flights to San Diego from Denver

Find and compare round-trip flight prices for your last-minute flight from Denver to San Diego
Frontier
Apr 3
DEN6:05 amDenver Intl
2h 42m
SAN7:47 amSan Diego
Apr 10
SAN9:14 amSan Diego
2h 23m
DEN12:37 pmDenver Intl
Multiple Airlines
Apr 3
DEN5:02 pmDenver Intl
2h 35m
SAN6:37 pmSan Diego
Apr 10
SAN6:26 pmSan Diego
5h 39m
1 stop
DEN1:05 amDenver Intl
Frontier
Apr 4
DEN6:35 amDenver Intl
2h 42m
SAN8:17 amSan Diego
Apr 9
SAN10:07 amSan Diego
2h 20m
DEN1:27 pmDenver Intl
American Airlines
Apr 4
DEN8:05 amDenver Intl
4h 21m
1 stop
SAN11:26 amSan Diego
Apr 7
SAN9:58 amSan Diego
7h 07m
1 stop
DEN6:05 pmDenver Intl
Frontier
Apr 7
DEN6:50 amDenver Intl
2h 42m
SAN8:32 amSan Diego
Apr 10
SAN6:15 pmSan Diego
2h 30m
DEN9:45 pmDenver Intl
Multiple Airlines
Apr 3
DEN6:05 amDenver Intl
2h 42m
SAN7:47 amSan Diego
Apr 10
SAN9:32 pmSan Diego
23h 23m
2 stops
DEN9:55 pmDenver Intl

Best airlines flying from Denver to San Diego

Compare and see reviews for airlines that fly from Denver to San Diego with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $55Free CancellationRating
6.3
4,257 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $66Free CancellationRating
6.4
8,843 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $119Free CancellationRating
7.4
11,470 reviews
Search United Airlines flights
DeltaPriceFrom $198Free CancellationRating
8.0
11,402 reviews
Search Delta flights
American AirlinesPriceFrom $200Free CancellationRating
7.3
15,181 reviews
Search American Airlines flights
  • United Airlines Flights From Denver to San Diego

    United Airlines is one of the most popular airlines flying from Denver to San Diego, operating 39 flights/week on average for this route. A good United Airlines flight deal for Denver to San Diego starts from $119 round-trip, up to an average price of $298. Our users have rated United Airlines at 7.4/10.

  • Frontier Flights From Denver to San Diego

    Across 4,263 Frontier reviews on momondo, the average score is 6.3/10. Frontier flies from Denver to San Diego about 10 times each week, with ticket deals ranging from $55 to $163. Price data is based on momondo searches in the last 72 hours.


Frontier flights from Denver to San Diego

Our best Frontier deals on Denver to San Diego flight tickets
Frontier
Apr 23
DEN6:44 pmDenver Intl
2h 31m
SAN8:15 pmSan Diego
Apr 30
SAN8:00 amSan Diego
2h 25m
DEN11:25 amDenver Intl
Frontier
Apr 16
DEN12:30 pmDenver Intl
2h 27m
SAN1:57 pmSan Diego
Apr 17
SAN9:24 amSan Diego
2h 23m
DEN12:47 pmDenver Intl
Frontier
May 22
DEN5:35 amDenver Intl
2h 29m
SAN7:04 amSan Diego
May 25
SAN2:55 pmSan Diego
2h 28m
DEN6:23 pmDenver Intl

United Airlines flights from Denver to San Diego

Our best United Airlines deals on Denver to San Diego flight tickets
United Airlines
Apr 5
DEN8:55 pmDenver Intl
13h 42m
2 stops
SAN9:37 amSan Diego
Apr 8
SAN8:47 pmSan Diego
12h 23m
2 stops
DEN10:10 amDenver Intl
United Airlines
Apr 5
DEN8:55 pmDenver Intl
13h 42m
2 stops
SAN9:37 amSan Diego
Apr 7
SAN10:25 amSan Diego
11h 29m
2 stops
DEN10:54 pmDenver Intl
United Airlines
Apr 4
DEN2:00 pmDenver Intl
10h 41m
2 stops
SAN11:41 pmSan Diego
Apr 7
SAN10:25 amSan Diego
11h 29m
2 stops
DEN10:54 pmDenver Intl

  • How far is Denver Intl to San Diego by plane?

    Denver Intl and San Diego are 832.3 mi apart from one another. By plane, this route typically takes 2h 23m.

  • When did momondo last update prices for flights from Denver Intl Airport to San Diego Airport?

    Prices for flights from Denver Intl Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from Denver Intl Airport to San Diego Airport?

  • How old do you have to be to fly from Denver Intl Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Which airlines fly direct from Denver to San Diego?

When you are looking for a flight from Denver to San Diego, you'll most likely be taking off from the Denver International Airport (DEN) and landing at the San Diego International Airport (SAN). Airlines offering direct flights between these two airports include Frontier, United, and Southwest. American Airlines offers flights between DEN and SAN with one stop in cities such as Dallas, Charlotte, Boston, New York (JFK), and Chicago. Delta offers one-stop flights with stops in cities including Salt Lake City, Los Angeles, Seattle, and Minneapolis. United offers flights that stop once in Houston, San Francisco, New York (JFK), and Los Angeles. You can catch a flight on Southwest that stops once in Sacramento, Salt Lake City, or San Jose, CA. Alaska offers flights that stop once in Phoenix, Portland, Seattle, or Dallas, and Frontier offers flights with one stop in Las Vegas or Atlanta. You can even find the occasional JetBlue flight that stops once in Boston.

What is the best way to get in and out of airports in Denver and San Diego?

One of the most efficient ways to get from downtown Denver Union Station to Denver International Airport (DEN) is to take an RTD (Regional Transportation District) A Line train, which will get you to the airport in about 37 minutes. These trains depart Union Station about every 20 minutes. You can also take a series of three RTD buses, starting with number 0, changing to FF1, and then to AB1. This trip will take approximately 1h 24min. A taxi, rental car, private limo, or ride app car should take about 31 minutes. Once you arrive in San Diego, to get from San Diego International Airport (SAN) into the city center, you can catch a 992 San Diego Metro Transit bus at Lindbergh Field &Terminal 1 and take it to the intersection of Broadway & State Street in about 16 minutes. Taking a taxi, rental car, or ride app car will take about 5 minutes.

What are the benefits of the different airports in Denver and San Diego?

When you book your flight from Denver to San Diego, you'll be departing from the Denver International Airport (DEN), essentially the only option. This airport is vast and has a modern design to help make travel more efficient. You will enter a main terminal, the Jeppesen terminal, where you will find ticketing and security for all flights. You will then proceed to either concourse A, B, or C in order to catch your flight – the journey to the different concourses involves underground trains and shuttles, so leave 30 to 45 minutes for this. If you need to return a rental car before you catch your flight, you can catch a shuttle from the rental car agency to Jeppesen. Your arrival airport, the San Diego International Airport (SAN), has a number of services and amenities, some of which you may need to use right away, such as baby care facilities and pet relief areas. From the arrivals curb, you can take a free shuttle to the rental car center.

Which cities can you get to from the San Diego International Airport?

San Diego International Airport (SAN), located at the southwestern tip of California, and therefore the southwestern tip of the entire country, provides access to a number of surrounding communities. One of the most popular destinations from San Diego is the Mexican city of Tijuana, which is across the American-Mexican border, less than an hour's drive away. On public transportation, you can take the 992 bus to the Santa Fe train station and from there, take the Trolley to the border, then walk across. If you want to drive across, your best bet is to get a rental car. Palm Springs is also a popular destination, located about 130 miles to the northeast of SAN. From SAN, you can take a San Diego flyer bus to the Old Town Transit center and then switch to either bus 2037, 2017, or 2006. Once you reach the Anaheim Regional Transportation Intermodel Center, you will change to bus F20056.


Alternative routes for Denver to San Diego

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Denver to Los Angeles Flights
Fastest flight time2h 27m
Cheapest price$68
Denver to San Francisco Flights
Fastest flight time2h 39m
Cheapest price$68
Denver to Ontario Flights
Fastest flight time2h 17m
Cheapest price$78
Denver to Santa Ana Flights
Fastest flight time2h 25m
Cheapest price$75
Denver to San Jose Flights
Fastest flight time2h 32m
Cheapest price$112
Denver to Palm Springs Flights
Fastest flight time2h 15m
Cheapest price$219
Denver to Reno Flights
Fastest flight time2h 18m
Cheapest price$110
Denver to Sacramento Flights
Fastest flight time2h 32m
Cheapest price$100
Denver to Santa Barbara Flights
Fastest flight time2h 35m
Cheapest price$260
Denver to Burbank Flights
Fastest flight time2h 23m
Cheapest price$110
Denver to Fresno Flights
Fastest flight time2h 21m
Cheapest price$175
Denver to San Luis Obispo Flights
Fastest flight time2h 38m
Cheapest price$282

Similar Denver to San Diego flights

Flexible with your destination? Broaden your search and find flights similar to your Denver to San Diego route

Why use momondo?

Why should I use momondo to find a flight deal from Denver to San Diego?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from Denver.

Can I find flights from Denver to San Diego with flexible booking policies on momondo?

Yes. All flights to San Diego from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Denver to San Diego?

Once all potential Denver to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Denver to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Denver to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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