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SAN - DEN

£77 Find cheap flights from San Diego to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Diego to Denver departing on 9/7. 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
Wed 26/6
Wed 3/7

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Diego to Denver, 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 San Diego to Denver, as well as popular online travel agencies
In the last 7 days, travellers have searched 42,228,413 times on KAYAK, and here's why:

Save 28% or moreCompare multiple travel sites with one search.

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Filter your dealsChoose cabin class, free Wi-Fi and more.

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Cheap flight deals from San Diego to Denver (SAN-DEN)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Diego to Denver 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.
Choose your dates
10:00 - 15:36SAN-DEN
4h 36m1 stop
05:30 - 09:01DEN-SAN
4h 31m1 stop
£154Delta
Find Deal
Tue, 25 Jun - Tue, 2 Jul
17:15 - 22:54SAN-DEN
4h 39m1 stop
06:15 - 09:49DEN-SAN
4h 34m1 stop
£170Delta
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Wed, 19 Jun - Thu, 20 Jun
17:15 - 22:54SAN-DEN
4h 39m1 stop
08:40 - 11:57DEN-SAN
4h 17m1 stop
£177Delta
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Fri, 21 Jun - Wed, 26 Jun
06:25 - 22:54SAN-DEN
15h 29m1 stop
06:15 - 09:49DEN-SAN
4h 34m1 stop
£181Delta
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Mon, 17 Jun - Sat, 22 Jun
11:01 - 16:09SAN-DEN
4h 08m1 stop
08:10 - 09:33DEN-SAN
2h 23mdirect
£237United Airlines
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Wed, 16 Oct - Mon, 21 Oct
08:24 - 21:37SAN-DEN
12h 13m2 stops
06:00 - 12:00DEN-SAN
7h 00m1 stop
£243Alaska Airlines
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Tue, 27 Aug - Sun, 1 Sep
11:34 - 15:00SAN-DEN
2h 26mdirect
17:38 - 23:59DEN-SAN
7h 21m1 stop
£245United Airlines
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Sat, 12 Oct - Sat, 19 Oct
06:50 - 16:54SAN-DEN
9h 04m1 stop
10:39 - 19:34DEN-SAN
9h 55m2 stops
£252Alaska Airlines
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Tue, 3 Sep - Tue, 10 Sep
06:50 - 21:37SAN-DEN
13h 47m2 stops
15:03 - 23:44DEN-SAN
9h 41m1 stop
£255Alaska Airlines
Find Deal
Sat, 24 Aug - Tue, 27 Aug
06:10 - 14:58SAN-DEN
7h 48m1 stop
15:40 - 21:24DEN-SAN
30h 44m2 stops
£314United Airlines
Find Deal
Mon, 19 Aug - Sun, 25 Aug

Flights from San Diego to Denver - Travel Insights & Trends

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

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from San Diego to Denver, 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 San Diego to Denver is April, where tickets cost £113 on average. On the other hand, the most expensive months are July and March, where the average cost of tickets is £187 and £175 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from San Diego to Denver, 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 San Diego to Denver, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 56 days before departure.

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

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Delta (£77) and Alaska Airlines (£123). The cheapest round-trip tickets were found on Delta (£154) and United Airlines (£237).

Which airlines fly most frequently between San Diego and Denver?

Southwest connects San Diego to Denver with up to 7 flights per day. United Airlines also offers 7 flights per day, while Frontier follows with 4 flights per day.

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

Each day, there are between 16 and 21 nonstop flights that take off from San Diego and land in Denver, with an average flight time of 2h 24m. The most common departure time is 08:00 and most flights take off in the morning. Each week, there are 136 flights. The most frequent day of departure is Tuesday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday.

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

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 2 cabin class options for the route. These are Economy and Prem 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 San Diego to Denver?

Early birds can take the earliest flight from San Diego at 06:20 and will be landing in Denver at 09:50.

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

If you prefer to fly at night, the latest flight from San Diego to Denver jets off at 20:55 and lands at 00:10.

Good to know - Cheap tickets from San Diego to Denver

Low season

January

High season

June

Cheapest flight

£77
Best time to beat the crowds (21% less expensive on average)
Most popular time to fly (20% more expensive on average)
Flight from San Diego to Denver

When to book flights from San Diego to Denver

Are your dates flexible? Find out the best times to travel from San Diego to Denver 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 San Diego to Denver

  • Can I book a nonstop flight from San Diego to Denver?

    Frontier Airlines offers nonstop flights from San Diego International Airport to Denver International Airport in Denver. Other airlines on this route include United Airlines and Southwest Airlines, which offer a fast way to travel from San Diego to Denver.

  • Does San Diego International Airport offer services for guests with mobility impairments?

    The airport offers different accessibility services located throughout the airport to assist travelers with mobility impairments. Services under this category include visual paging monitors, TDD telephones, and a courtesy cart run by Volunteer Airport Ambassadors, located conveniently throughout the airport. Also, you’ll find the Harbor Police Officers, who assist travelers with special needs.

  • Are there designated smoking areas in San Diego International Airport?

    San Diego International Airport is a smoke-free facility. You’re only permitted to smoke in a designated area away from the terminals. You can use ashtrays located in all smoking areas.

  • What is the best means of transportation from Denver International Airport to my destination?

    The SkyRide bus and A Line rail system offer affordable means of transport from Denver International Airport to downtown Denver and nearby towns. You can also use an Uber from the airport or travel via the shuttle service to nearby cities like Welby, Aurora, Federal Heights, and Commerce City. If your friends or family will pick you up, make sure they can find a good parking spot as curbside parking is prohibited.

  • What guest amenities does Denver International Airport offer?

    Guests can use different amenities and facilities when they arrive at the airport. These include free Wi-Fi, religious facilities open 24h a day, and pet relief areas near gates A, B, and C. If you want to nurse your child, there are three nursing rooms located at each concourse.

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

    In the last 3 days, the lowest price for a flight from San Diego to Denver was £98 for a one-way ticket and £196 for a return.

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

    All the following airlines offer inflight Wi-Fi service on the San Diego to Denver flight route: American Airlines, Delta, Alaska Airlines, JetBlue, Lufthansa, United Airlines, and Air Canada.

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

    The Boeing 737-800 is the aircraft model that flies most regularly on the San Diego to Denver flight route.

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

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

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

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

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

    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 San Diego to Denver.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from San Diego 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 San Diego to Denver?

    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 Denver with an airline and back to San Diego with another airline.

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

    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 Denver from San Diego 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 San Diego to Denver

  • Looking for a cheap flight from Denver to San Diego? 25% of our users found flights on this route for £114 or less one-way.
  • Most guests traveling from San Diego will use San Diego International Airport (SAN). While McClellan–Palomar Airport (CLD) is closer, it’s not a major airport.
  • To access San Diego International Airport, you can use a bicycle. The airport offers free bicycle lockers, but requires a $25 deposit, which is refundable. Also, you can catch an Uber to the airport or use car rental services.
  • If you’re using your car to get to San Diego International Airport, there’s a parking service, which costs approximately $13 per day, and includes a shuttle service to San Diego.
  • For arrivals at Denver, you can use Denver International Airport (DEN). From the airport, you can access downtown Denver via train, car rental, Uber, or shuttle service.
  • When you arrive in Denver, you’ll find hotels near Denver International Airport. Most hotels are about 10 miles away and have a shuttle service to help you get there.
  • Denver International Airport also supports sustainability by providing water bottle filling stations in all three concourses. Each concourse has four bottle filling stations.
  • Throughout the airport, you can use free Wi-Fi. You simply need to enable your wireless connection and check for “Den Airport Free Wi-Fi.” Click connect to the network as there is no password needed.
See more tips

Prefer to fly direct from San Diego to Denver?

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

Direct departures

San Diego to Denver Intl

Monday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Tuesday

Air Canada, Copa Airlines, Frontier, +3 more

Air Canada, Copa Airlines, +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

Denver Intl to San Diego

Monday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Tuesday

Air Canada, Copa Airlines, Frontier, +3 more

Air Canada, Copa Airlines, +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 San Diego to Denver

Cheapest flights to Denver from San Diego found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from San Diego to Denver found on KAYAK in the last 72 hours.
9/7Tue
1 stopDelta
4h 34mSAN-DEN
£77
28/6Fri
1 stopDelta
4h 39mSAN-DEN
£93
25/8Sun
1 stopDelta
4h 47mSAN-DEN
£105
7/7Sun
1 stopDelta
4h 34mSAN-DEN
£116
27/8Tue
2 stopsAlaska Airlines
12h 13mSAN-DEN
£123
24/8Sat
2 stopsAlaska Airlines
14h 34mSAN-DEN
£128
25/6Tue
2 stopsAlaska Airlines
8h 38mSAN-DEN
£144
12/8Mon
2 stopsUnited Airlines
15h 06mSAN-DEN
£157
9/7Tue
2 stopsUnited Airlines
10h 57mSAN-DEN
£174
9/7Tue
2 stopsUnited Airlines
12h 14mSAN-DEN
£175

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Last minute flights from San Diego to Denver

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 San Diego to Denver that are departing in the next 10 days.
31/5Fri
multi-stopFrontier
4h 49mSAN-DEN
7/6Fri
directFrontier
2h 29mDEN-SAN
£210
31/5Fri
multi-stopDelta
4h 52mSAN-DEN
7/6Fri
multi-stopDelta
4h 44mDEN-SAN
£216
31/5Fri
multi-stopFrontier
5h 59mSAN-DEN
7/6Fri
multi-stopFrontier
9h 18mDEN-SAN
£257
31/5Fri
directFrontier
2h 29mSAN-DEN
7/6Fri
directFrontier
2h 28mDEN-SAN
£298
31/5Fri
multi-stopAlaska Airlines
6h 45mSAN-DEN
3/6Mon
multi-stopAlaska Airlines
13h 44mDEN-SAN
£396
31/5Fri
multi-stopAmerican Airlines
4h 12mSAN-DEN
7/6Fri
multi-stopAmerican Airlines
4h 55mDEN-SAN
£417
31/5Fri
directUnited Airlines
2h 30mSAN-DEN
7/6Fri
directUnited Airlines
2h 22mDEN-SAN
£435
31/5Fri
multi-stopUnited Airlines
4h 48mSAN-DEN
7/6Fri
directUnited Airlines
2h 22mDEN-SAN
£442
31/5Fri
multi-stopAlaska Airlines
20h 17mSAN-DEN
7/6Fri
multi-stopAlaska Airlines
7h 06mDEN-SAN
£494
31/5Fri
multi-stopAmerican Airlines
10h 04mSAN-DEN
7/6Fri
multi-stopAmerican Airlines
10h 35mDEN-SAN
£849

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San Diego - Denver Flights

Departure:

San Diego (SAN)United States

Destination:

Denver (DEN)United States

Return flight deals:

Denver - San Diego

Cabin classes:

£3,616
£205

Browse origins:

  • Flights » 
  • San Diego

Browse destinations:

  • Flights » 
  • Worldwide » 
  • Denver

Compare transportation modes for San Diego to Denver

Average priceAverage duration
Flights£1482h 26m
Buses£12231h 00m