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Cheap flights from San Diego to Denver 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 San Diego to Denver departing on 1/15. 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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Find the cheapest flights from San Diego to Denver

Cheap round-trip flights

These are some of the best round-trip flight deals from San Diego to Denver that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Diego to Denver.

Cheap last minute flights

Planning a quick getaway from San Diego to Denver? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Denver, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Diego to Denver

Find recent round-trip train or bus tickets from San Diego to Denver.

All round-trip flight deals to Denver

The cheapest plane tickets to Denver found on KAYAK recently.
2:32 pm - 5:58 pmSAN-DEN
2h 26mnonstop
10:15 pm - 11:52 pmDEN-SAN
2h 37mnonstop
$56Frontier
Find Deal
Wed, Jan 15 - Wed, Jan 22
2:32 pm - 5:58 pmSAN-DEN
2h 26mnonstop
10:15 pm - 11:49 pmDEN-SAN
2h 34mnonstop
$57Frontier
Find Deal
Wed, Jan 15 - Wed, Jan 15
6:15 am - 6:37 pmSAN-DEN
11h 22m2 stops
4:20 pm - 5:59 pmDEN-SAN
2h 39mnonstop
Sat, Jan 18 - Sun, Jan 19
6:15 am - 11:16 pmSAN-DEN
16h 01m1 stop
10:29 pm - 5:59 pmDEN-SAN
20h 30m2 stops
Wed, Jan 15 - Tue, Jan 21
6:15 am - 6:59 pmSAN-DEN
11h 44m2 stops
7:00 am - 12:46 pmDEN-SAN
6h 46m1 stop
$234Alaska Airlines
Find Deal
Fri, Feb 21 - Tue, Feb 25
10:15 am - 3:20 pmSAN-DEN
4h 05m1 stop
6:50 am - 10:18 amDEN-SAN
4h 28m1 stop
$236Delta
Find Deal
Tue, Jan 21 - Thu, Jan 30
6:15 am - 1:54 pmSAN-DEN
6h 39m1 stop
7:00 am - 8:19 pmDEN-SAN
14h 19m2 stops
$244Alaska Airlines
Find Deal
Thu, Feb 20 - Tue, Feb 25
5:45 pm - 11:00 pmSAN-DEN
4h 15m1 stop
6:05 pm - 11:58 pmDEN-SAN
6h 53m1 stop
$247Delta
Find Deal
Tue, Feb 18 - Fri, Feb 21
7:00 am - 10:26 amSAN-DEN
2h 26mnonstop
8:00 am - 9:17 amDEN-SAN
2h 17mnonstop
$307United Airlines
Find Deal
Fri, Apr 18 - Sun, Apr 20
6:08 pm - 9:21 pmSAN-DEN
2h 13mnonstop
6:00 am - 9:10 amDEN-SAN
4h 10m1 stop
$317United Airlines
Find Deal
Mon, Mar 31 - Fri, Apr 4
6:25 am - 9:56 amSAN-DEN
2h 31mnonstop
$29Frontier
Find Deal
Wed, Jan 15
6:25 am - 9:56 amSAN-DEN
2h 31mnonstop
$33Frontier
Find Deal
Sat, Mar 1
6:15 am - 11:37 amSAN-DEN
4h 22m1 stop
$108Delta
Find Deal
Sun, Feb 16
7:00 am - 10:28 amSAN-DEN
2h 28mnonstop
$109United Airlines
Find Deal
Tue, Jan 21
8:20 am - 11:29 pmSAN-DEN
14h 09m2 stops
$110Alaska Airlines
Find Deal
Sat, Feb 1
5:45 pm - 11:00 pmSAN-DEN
4h 15m1 stop
$118Delta
Find Deal
Tue, Jan 14
8:20 am - 11:29 pmSAN-DEN
14h 09m2 stops
$126Alaska Airlines
Find Deal
Sat, Feb 8
4:09 pm - 7:35 pmSAN-DEN
2h 26mnonstop
$129United Airlines
Find Deal
Thu, Feb 20
5:30 pm - 11:05 pmSAN-DEN
4h 35m1 stop
$189Southwest
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Fri, Mar 28
8:45 am - 3:30 pmSAN-DEN
5h 45m2 stops
$227Southwest
Find Deal
Fri, Jan 3
3:40 pm - 3:54 amSAN-DEN
11h 14m1 stop
10:15 pm - 11:49 pmDEN-SAN
2h 34mnonstop
$181Frontier
Find Deal
Mon, Dec 23 - Tue, Jan 14
3:40 pm - 9:04 amSAN-DEN
16h 24m1 stop
9:34 am - 11:10 amDEN-SAN
2h 36mnonstop
$201Frontier
Find Deal
Mon, Dec 23 - Thu, Jan 9
6:15 am - 9:04 amSAN-DEN
25h 49m1 stop
1:25 pm - 2:48 pmDEN-SAN
26h 23m2 stops
Mon, Dec 23 - Mon, Jan 6
9:05 pm - 7:39 amSAN-DEN
9h 34m1 stop
6:00 am - 10:12 pmDEN-SAN
41h 12m2 stops
Fri, Dec 20 - Fri, Dec 27
6:15 am - 4:40 pmSAN-DEN
9h 25m2 stops
4:10 pm - 7:53 pmDEN-SAN
4h 43m1 stop
$582United Airlines
Find Deal
Mon, Dec 23 - Tue, Jan 14
1:00 pm - 9:30 pmSAN-DEN
7h 30m2 stops
3:25 pm - 6:40 pmDEN-SAN
4h 15m1 stop
$612Southwest
Find Deal
Sat, Dec 21 - Tue, Dec 31
4:10 pm - 7:38 pmSAN-DEN
2h 28mnonstop
11:31 am - 1:01 pmDEN-SAN
2h 30mnonstop
$677United Airlines
Find Deal
Sat, Dec 21 - Wed, Dec 25
1:00 pm - 9:30 pmSAN-DEN
7h 30m2 stops
6:50 pm - 10:05 pmDEN-SAN
4h 15m1 stop
$717Southwest
Find Deal
Sat, Dec 21 - Sat, Dec 28
4:06 pm - 10:17 pmSAN-DEN
5h 11m1 stop
6:15 am - 3:26 pmDEN-SAN
10h 11m1 stop
$727Delta
Find Deal
Thu, Dec 19 - Tue, Dec 24
4:06 pm - 10:17 pmSAN-DEN
5h 11m1 stop
5:30 am - 10:45 amDEN-SAN
6h 15m1 stop
$856Delta
Find Deal
Thu, Dec 19 - Sun, Dec 22
2:32 pm - 5:58 pmSAN-DEN
2h 26mnonstop
10:15 pm - 11:52 pmDEN-SAN
2h 37mnonstop
$56Frontier
Find Deal
Wed, Jan 15 - Wed, Jan 22
12:01 pm - 3:28 pmSAN-DEN
2h 27mnonstop
10:15 pm - 11:49 pmDEN-SAN
2h 34mnonstop
$57Frontier
Find Deal
Sat, Jan 11 - Tue, Jan 14
6:25 am - 9:56 amSAN-DEN
2h 31mnonstop
11:52 am - 1:29 pmDEN-SAN
2h 37mnonstop
$58Frontier
Find Deal
Tue, Jan 7 - Wed, Jan 15
6:25 am - 9:56 amSAN-DEN
2h 31mnonstop
10:15 pm - 11:52 pmDEN-SAN
2h 37mnonstop
$59Frontier
Find Deal
Wed, Jan 15 - Tue, Jan 21
6:25 am - 9:56 amSAN-DEN
2h 31mnonstop
10:15 pm - 11:52 pmDEN-SAN
2h 37mnonstop
$65Frontier
Find Deal
Tue, Jan 21 - Sat, Jan 25
5:50 pm - 9:10 pmSAN-DEN
2h 20mnonstop
9:40 am - 11:15 amDEN-SAN
2h 35mnonstop
$178Southwest
Find Deal
Sat, Jan 18 - Sun, Jan 19
7:15 pm - 10:35 pmSAN-DEN
2h 20mnonstop
9:55 pm - 11:25 pmDEN-SAN
2h 30mnonstop
$198Southwest
Find Deal
Sun, Feb 16 - Fri, Feb 21
8:35 am - 12:03 pmSAN-DEN
2h 28mnonstop
8:00 am - 9:30 amDEN-SAN
2h 30mnonstop
$237United Airlines
Find Deal
Tue, Jan 21 - Thu, Jan 23
7:00 am - 10:26 amSAN-DEN
2h 26mnonstop
8:00 am - 9:17 amDEN-SAN
2h 17mnonstop
$307United Airlines
Find Deal
Fri, Apr 18 - Sun, Apr 20
8:35 am - 12:03 pmSAN-DEN
2h 28mnonstop
4:07 pm - 5:37 pmDEN-SAN
2h 30mnonstop
$367United Airlines
Find Deal
Tue, Dec 31 - Mon, Jan 6

Frontier flights from San Diego to Denver

Our best Frontier deals on San Diego to Denver flight tickets
Frontier
Jan 15
SAN2:32 pmSan Diego
2h 26m
DEN5:58 pmDenver Intl
Jan 22
DEN10:15 pmDenver Intl
2h 37m
SAN11:52 pmSan Diego
Frontier
Jan 15
SAN2:32 pmSan Diego
2h 26m
DEN5:58 pmDenver Intl
Jan 15
DEN10:15 pmDenver Intl
2h 34m
SAN11:49 pmSan Diego
Frontier
Jan 7
SAN6:25 amSan Diego
2h 31m
DEN9:56 amDenver Intl
Jan 15
DEN11:52 amDenver Intl
2h 37m
SAN1:29 pmSan Diego

Alaska Airlines flights from San Diego to Denver

Our best Alaska Airlines deals on San Diego to Denver flight tickets
Alaska Airlines
Feb 21
SAN6:15 amSan Diego
11h 44m
2 stops
DEN6:59 pmDenver Intl
Feb 25
DEN7:00 amDenver Intl
6h 46m
1 stop
SAN12:46 pmSan Diego
Alaska Airlines
Feb 20
SAN6:15 amSan Diego
6h 39m
1 stop
DEN1:54 pmDenver Intl
Feb 25
DEN7:00 amDenver Intl
14h 19m
2 stops
SAN8:19 pmSan Diego
Alaska Airlines
Feb 1
SAN5:59 pmSan Diego
18h 08m
1 stop
DEN1:07 pmDenver Intl
Feb 8
DEN7:00 amDenver Intl
13h 25m
2 stops
SAN7:25 pmSan Diego

See travel insights to Denver from

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

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 typical price of a round-trip flight between San Diego and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from San Diego is in January. Flight prices, which tend to average around $139, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until April to fly from San Diego, when ticket prices are also cheap, with an average price of $141.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Tuesday when prices can be found for as low as $157. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $217.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $144. Flights in the afternoon are often more expensive with an average ticket price of $185.

What is the cheapest San Diego to Denver Intl flight route?

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

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

The best time to book a flight to Denver from San Diego is 53 days out, which is when prices tend to be around $179. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $109.

What cabin class options are available on San Diego to Denver Intl flights?

There are 4 cabin classes available to choose from on San Diego to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 89% on your flight if you consider stops on a San Diego to Denver flight.

How have San Diego to Denver flight prices changed over time?

As of December 2024, prices for San Diego to Denver flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Denver (SAN to DEN) flight deals and tips

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

Best Price Found

$29

Fastest flight time

2h 13m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from San Diego in the past 72 hours is $29. The best round-trip flight deal from San Diego to Denver found on momondo in the last 72 hours is $56.
The fastest flight from San Diego to Denver takes 2h 13m
Direct flights go from San Diego to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)

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

    The distance between San Diego and Denver Intl is about 832.3 mi. 2h 13m is a normal flight duration for this route.

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

    Prices for flights from San Diego Airport to Denver Intl Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Diego to Denver?

  • What is the most popular airline from San Diego to Denver?


Best airlines flying from San Diego to Denver

Compare and see reviews for airlines that fly from San Diego to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $57Free CancellationRating
6.1
3,479 reviews
Search Frontier flights
SouthwestPriceFrom $158Free CancellationRating
8.1
4,848 reviews
Search Southwest flights
United AirlinesPriceFrom $159Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
American AirlinesPriceFrom $174Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $195Free CancellationRating
8.0
8,604 reviews
Search Delta flights
  • Southwest Flights From San Diego to Denver

    Southwest flight deals from San Diego to Denver start from $158 round-trip. Over the 27 Southwest flights for this route in a normal week, average airfare is usually $272 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From San Diego to Denver

    $159 is the best United Airlines flight deal from San Diego to Denver found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $302, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,055 user reviews) flies into Denver from San Diego 22 times in an average week so prices can vary.


Why use momondo?

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

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 Denver from San Diego.

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

Yes. momondo enables you to select and highlight flights to Denver from San Diego with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Diego to Denver.

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

Of course. momondo tracks the price of San Diego to Denver flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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