Cheap flights from San Diego to Denver (SAN - DEN) from $39

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. 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.
SAN — DEN
Mar 24 — Mar 311

The best prices from San Diego to Denver Intl are usually found in February or January, booked 58 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

Cheap flight deals from San Diego to Denver

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$193

One-way from

$39
High demand for flights, 24% potential price rise
Best time to find cheap flights, 29% potential price drop
From San Diego to Denver Intl
One-way flight from San Diego to Denver Intl

What is the cheapest day to fly round-trip from San Diego to Denver?

Users have found that flying from San Diego to Denver on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

To save up to 54% on this flight, we recommend booking at least 59 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Diego to Denver from $168 1-2 weeks out and tickets from $301 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of February. Prices to Denver from San Diego average $195. You can even find prices in February for less than $195, as users have found deals to Denver from as low as $56. The month of June appears to be one of the more expensive times to travel to Denver from San Diego. Flying in the targeted month can save you up to 30%.

When is the cheapest time to fly from San Diego to Denver (SAN - DEN)?

It’s typically best to fly out from San Diego to Denver in the evening. Doing so could potentially save you 26% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Frontier flights from San Diego to Denver

Explore cheap flight options specifically provided by Frontier for the route between San Diego and Denver. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Peruse some of the lowest-priced Frontier flights we've found from San Diego to Denver. It's recommended that users confirm their flight details before booking.
Tue 4/910:07 amSAN - DEN
Nonstop2h 20mFrontier
Tue 4/95:07 pmDEN - SAN
Nonstop2h 35mFrontier
Deal found 3/18$53
Wed 4/109:14 amSAN - DEN
Nonstop2h 23mFrontier
Wed 4/176:51 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$57
Tue 4/162:57 pmSAN - DEN
Nonstop2h 32mFrontier
Tue 4/235:30 amDEN - SAN
Nonstop2h 30mFrontier
Deal found 3/17$58
Sat 4/202:19 pmSAN - DEN
Nonstop2h 32mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$68
Mon 4/221:59 pmSAN - DEN
Nonstop2h 34mFrontier
Tue 4/2312:30 pmDEN - SAN
Nonstop2h 27mFrontier
Deal found 3/18$73
Fri 4/124:21 pmSAN - DEN
Nonstop2h 24mFrontier
Sat 4/136:44 pmDEN - SAN
Nonstop2h 31mFrontier
Deal found 3/17$74
Fri 4/199:08 amSAN - DEN
Nonstop2h 23mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$77
Fri 4/192:21 pmSAN - DEN
Nonstop2h 32mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$78
Tue 4/93:35 pmSAN - DEN
Nonstop2h 25mFrontier
Thu 4/117:53 pmDEN - SAN
Nonstop2h 32mFrontier
Deal found 3/18$79
  • One of the most popular airlines traveling from San Diego to Denver is Frontier. Flights from Frontier traveling this route typically cost $468.45 RT. This price is typically 11% cheaper than other airlines that offer San Diego to Denver flights. When booking this route, the cheapest RT price found was $233. San Diego Airport is the most common San Diego airport to take off from when flying to Denver. Denver Intl Airport is the most popular arrival airport in Denver. When flying from San Diego to Denver, Frontier flights are 14% more popular than any other airline flying that same route.

Cheap United Airlines flights from San Diego to Denver

Explore cheap flight options specifically provided by United Airlines for the route between San Diego and Denver. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Some of the best deals we've found on United Airlines flights traveling from San Diego to Denver. Deals are refreshing constantly so come back soon for more options.
Tue 4/167:00 amSAN - DEN
Nonstop2h 26mUnited Airlines
Tue 4/237:45 amDEN - SAN
Nonstop2h 26mUnited Airlines
Deal found 3/17$199
Sat 4/207:00 amSAN - DEN
Nonstop2h 26mUnited Airlines
Sun 4/217:45 amDEN - SAN
Nonstop2h 26mUnited Airlines
Deal found 3/18$219
Sun 3/246:20 amSAN - DEN
2 stops15h 07mUnited Airlines
Wed 3/276:12 amDEN - SAN
1 stop4h 26mUnited Airlines
Deal found 3/18$580
  • If you’re traveling from San Diego to Denver, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $309.27 RT. This price is typically 64% more expensive than other airlines that offer San Diego to Denver flights. When booking this route, the cheapest RT price found was $138. The most popular departure airport in San Diego when flying to Denver is San Diego Airport. The most popular airport to fly into when visiting Denver is Denver Intl Airport. When flying from San Diego to Denver, United Airlines flights are 3% more popular than any other airline flying that same route.

Cheap San Diego to Denver flights in March & April 2024

Find cheap flight options from San Diego to Denver specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
Check out some of the best flight deals from San Diego to Denver in 2024. Check back regularly for other flight deals.
Tue 4/910:07 amSAN - DEN
Nonstop2h 20mFrontier
Tue 4/95:07 pmDEN - SAN
Nonstop2h 35mFrontier
Deal found 3/18$53
Wed 4/109:14 amSAN - DEN
Nonstop2h 23mFrontier
Wed 4/176:51 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$57
Tue 4/162:57 pmSAN - DEN
Nonstop2h 32mFrontier
Tue 4/235:30 amDEN - SAN
Nonstop2h 30mFrontier
Deal found 3/17$58
Sat 4/202:19 pmSAN - DEN
Nonstop2h 32mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$68
Mon 4/221:59 pmSAN - DEN
Nonstop2h 34mFrontier
Tue 4/2312:30 pmDEN - SAN
Nonstop2h 27mFrontier
Deal found 3/18$73
Fri 4/124:21 pmSAN - DEN
Nonstop2h 24mFrontier
Sat 4/136:44 pmDEN - SAN
Nonstop2h 31mFrontier
Deal found 3/17$74
Fri 4/199:08 amSAN - DEN
Nonstop2h 23mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$77
Fri 4/192:21 pmSAN - DEN
Nonstop2h 32mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$78
Tue 4/93:35 pmSAN - DEN
Nonstop2h 25mFrontier
Thu 4/117:53 pmDEN - SAN
Nonstop2h 32mFrontier
Deal found 3/18$79

San Diego to Denver 2024 flight deals

Discover exclusive flight deals for travel between San Diego and Denver in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Check out some of the best flight deals from San Diego to Denver in 2024. Check back regularly for other flight deals.
Tue 4/910:07 amSAN - DEN
Nonstop2h 20mFrontier
Tue 4/95:07 pmDEN - SAN
Nonstop2h 35mFrontier
Deal found 3/18$53
Wed 4/109:14 amSAN - DEN
Nonstop2h 23mFrontier
Wed 4/176:51 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$57
Tue 4/162:57 pmSAN - DEN
Nonstop2h 32mFrontier
Tue 4/235:30 amDEN - SAN
Nonstop2h 30mFrontier
Deal found 3/17$58
Sat 4/202:19 pmSAN - DEN
Nonstop2h 32mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$68
Mon 4/221:59 pmSAN - DEN
Nonstop2h 34mFrontier
Tue 4/2312:30 pmDEN - SAN
Nonstop2h 27mFrontier
Deal found 3/18$73
Fri 4/124:21 pmSAN - DEN
Nonstop2h 24mFrontier
Sat 4/136:44 pmDEN - SAN
Nonstop2h 31mFrontier
Deal found 3/17$74
Fri 4/199:08 amSAN - DEN
Nonstop2h 23mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$77
Fri 4/192:21 pmSAN - DEN
Nonstop2h 32mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$78
Tue 4/93:35 pmSAN - DEN
Nonstop2h 25mFrontier
Thu 4/117:53 pmDEN - SAN
Nonstop2h 32mFrontier
Deal found 3/18$79

Non-stop flights to Denver from San Diego

Discover non-stop flight options from San Diego to Denver. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
To help reduce your travel time, choose from one of these non-stop flights from San Diego to Denver. Search for alternative flights from San Diego to Denver by utilizing the search form above.
Tue 4/910:07 amSAN - DEN
Nonstop2h 20mFrontier
Tue 4/95:07 pmDEN - SAN
Nonstop2h 35mFrontier
Deal found 3/18$53
Wed 4/109:14 amSAN - DEN
Nonstop2h 23mFrontier
Wed 4/176:51 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$57
Tue 4/162:57 pmSAN - DEN
Nonstop2h 32mFrontier
Tue 4/235:30 amDEN - SAN
Nonstop2h 30mFrontier
Deal found 3/17$58
Sat 4/202:19 pmSAN - DEN
Nonstop2h 32mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$68
Mon 4/221:59 pmSAN - DEN
Nonstop2h 34mFrontier
Tue 4/2312:30 pmDEN - SAN
Nonstop2h 27mFrontier
Deal found 3/18$73
Fri 4/124:21 pmSAN - DEN
Nonstop2h 24mFrontier
Sat 4/136:44 pmDEN - SAN
Nonstop2h 31mFrontier
Deal found 3/17$74
Fri 4/199:08 amSAN - DEN
Nonstop2h 23mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$77
Fri 4/192:21 pmSAN - DEN
Nonstop2h 32mFrontier
Sun 4/216:00 amDEN - SAN
Nonstop2h 33mFrontier
Deal found 3/18$78
Tue 4/93:35 pmSAN - DEN
Nonstop2h 25mFrontier
Thu 4/117:53 pmDEN - SAN
Nonstop2h 32mFrontier
Deal found 3/18$79

San Diego to Denver flights leaving soon

Find last-minute flight options from San Diego to Denver for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Check out these flights departing soon from San Diego to Denver. It's wise to confirm all flight details are correct before booking.
Tue 3/267:29 pmSAN - DEN
1 stop10h 58mFrontier
Thu 3/286:35 amDEN - SAN
Nonstop2h 42mFrontier
Deal found 3/18$129
Tue 3/263:35 pmSAN - DEN
1 stop8h 07mFrontier
Tue 4/27:35 amDEN - SAN
Nonstop2h 41mFrontier
Deal found 3/18$133
Mon 3/2511:06 pmSAN - DEN
1 stop13h 55mMultiple Airlines
Wed 3/276:05 amDEN - SAN
Nonstop2h 42mMultiple Airlines
Deal found 3/18$137
Tue 3/269:07 amSAN - DEN
Nonstop2h 22mFrontier
Tue 4/25:07 pmDEN - SAN
Nonstop2h 35mFrontier
Deal found 3/18$138
Tue 3/265:51 pmSAN - DEN
Nonstop2h 27mFrontier
Wed 3/275:02 pmDEN - SAN
Nonstop2h 35mFrontier
Deal found 3/18$140
Tue 3/263:35 pmSAN - DEN
1 stop8h 07mFrontier
Tue 4/211:31 pmDEN - SAN
1 stop13h 30mFrontier
Deal found 3/18$145
Tue 3/265:51 pmSAN - DEN
Nonstop2h 27mFrontier
Thu 3/286:35 amDEN - SAN
Nonstop2h 42mFrontier
Deal found 3/18$147
Wed 3/278:37 amSAN - DEN
Nonstop2h 29mFrontier
Thu 3/285:02 pmDEN - SAN
Nonstop2h 35mFrontier
Deal found 3/18$149
Wed 3/272:33 pmSAN - DEN
1 stop9h 09mFrontier
Mon 4/16:35 amDEN - SAN
Nonstop2h 42mFrontier
Deal found 3/18$155

One-way flights to Denver from San Diego

Search for one-way flight options from San Diego to Denver. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Users traveling one-way from San Diego to Denver can select one of these great deals. Users can also find round-trip San Diego to Denver flights by using the search form above.
Thu 4/1812:21 pmSAN - DEN
Nonstop2h 23mFrontier
Deal found 3/18$39
Mon 4/221:59 pmSAN - DEN
Nonstop2h 34mFrontier
Deal found 3/18$41
Mon 4/291:59 pmSAN - DEN
Nonstop2h 34mFrontier
Deal found 3/18$42
Thu 4/114:24 pmSAN - DEN
Nonstop2h 24mFrontier
Deal found 3/17$45
Tue 4/23:35 pmSAN - DEN
Nonstop2h 25mFrontier
Deal found 3/18$49
Fri 4/124:21 pmSAN - DEN
Nonstop2h 24mFrontier
Deal found 3/18$50
Mon 4/89:07 amSAN - DEN
Nonstop2h 22mFrontier
Deal found 3/18$55
Tue 4/236:26 pmSAN - DEN
1 stop13h 34mMultiple Airlines
Deal found 3/18$57
Tue 4/910:20 pmSAN - DEN
1 stop12h 18mMultiple Airlines
Deal found 3/17$62

Find flights from San Diego to Denver within your budget

Customize your flight search to find flights from San Diego to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$53 - $199

Route

Depart

Return

Price

San DiegoDenver Intl

SAN - DEN

SANDEN

San Diego

Tue 4/9

Nonstop2h 20m

Denver Intl

Tue 4/9

Nonstop2h 35m

$53

San DiegoDenver Intl

SAN - DEN

SANDEN

San Diego

Wed 4/10

Nonstop2h 23m

Denver Intl

Wed 4/17

Nonstop2h 33m

$57

San DiegoDenver Intl

SAN - DEN

SANDEN

San Diego

Tue 4/16

Nonstop2h 32m

Denver Intl

Tue 4/23

Nonstop2h 30m

$58

San DiegoDenver Intl

SAN - DEN

SANDEN

San Diego

Sat 4/20

Nonstop2h 32m

Denver Intl

Sun 4/21

Nonstop2h 33m

$68

San DiegoDenver Intl

SAN - DEN

SANDEN

San Diego

Mon 4/22

Nonstop2h 34m

Denver Intl

Tue 4/23

Nonstop2h 27m

$73

San DiegoDenver Intl

SAN - DEN

SANDEN

San Diego

Fri 4/12

Nonstop2h 24m

Denver Intl

Sat 4/13

Nonstop2h 31m

$74

San DiegoDenver Intl

SAN - DEN

SANDEN

San Diego

Wed 4/17

Nonstop2h 23m

Denver Intl

Wed 4/24

1 stop6h 15m

$89

San DiegoDenver Intl

SAN - DEN

SANDEN

San Diego

Mon 4/8

1 stop7h 52m

Denver Intl

Tue 4/9

Nonstop2h 35m

$95

San DiegoDenver Intl

SAN - DEN

SANDEN

San Diego

Tue 4/16

Nonstop2h 26m

Denver Intl

Tue 4/23

Nonstop2h 26m

$199

Flights are sorted by cheapest first

Deals found on 3/18

When is the best time to book a flight from San Diego to Denver?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Denver. Price data was last updated on January 28, 2024.
The best time to book flights from San Diego to Denver is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from San Diego to Denver. Price data was last updated on March 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Diego to Denver flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Denver by month

Plan your trip from San Diego to Denver by taking into account the cheapest months to travel. The average price of a one-way flight from San Diego to Denver is currently $49 while a round-trip flight costs $85. Price data was last updated on March 10, 2024.

Currently, December is the cheapest month in which you can book a flight from San Diego to Denver (average of $193). Flying from San Diego to Denver in June is currently the most expensive (average of $306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$220

February

$237

March

$269

April

$226

May

$240

June

$306

July

$290

August

$220

September

$216

October

$194

November

$198

December

$193

Temperature and rainfall in Denver by month

Plan your trip to Denver by taking into account the average temperature and rainfall totals by month.

DEN

Temperature

30.2 - 73.4 °F

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated March 19, 2024.
Peruse reviews from past customers who have flown with Frontier, United Airlines and Alaska Airlines from San Diego to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,382 reviews

Comfort

8.1

Boarding

8.3

Crew

8.8

Entertainment

7.9

Food

7.4

Overall

8.2

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Southwest
8.2
Very good
6,382 reviews
Southwest
8.2
Very good
6,382 reviews

Comfort

8.1

Boarding

8.3

Crew

8.8

Entertainment

7.9

Food

7.4

Overall

8.2

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

8.1
Very good
9,150 reviews
Southwest
8.2
Very good
6,382 reviews

Comfort

8.1

Boarding

8.3

Crew

8.8

Entertainment

7.9

Food

7.4

Overall

8.2

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

8.1
Very good
11,536 reviews
Southwest
8.2
Very good
6,382 reviews

Comfort

8.1

Boarding

8.3

Crew

8.8

Entertainment

7.9

Food

7.4

Overall

8.2

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

7.4
Good
11,602 reviews
Southwest
8.2
Very good
6,382 reviews

Comfort

8.1

Boarding

8.3

Crew

8.8

Entertainment

7.9

Food

7.4

Overall

8.2

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

7.3
Good
15,298 reviews
Southwest
8.2
Very good
6,382 reviews

Comfort

8.1

Boarding

8.3

Crew

8.8

Entertainment

7.9

Food

7.4

Overall

8.2

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from San Diego to Denver?

    You will need to book a flight from San Diego to Denver Intl if you want to fly from San Diego to Denver. At least 6 different airlines have flights from San Diego (SAN) to Denver Intl (DEN) on a regular basis. There are 25 flights to Denver from the San Diego airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SAN to DEN to be around 2h 22m.

  • Can I find flights from San Diego to Denver for under $100 on Cheapflights?

    Yes, there are multiple flights from San Diego to Denver for under $100. The cheapest flight booked recently is on Frontier for just $53, but on average you can expect to pay $81.

  • Are there nonstop flights from San Diego to Denver for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from San Diego to Denver under $100. A good price for a nonstop flight from San Diego to Denver is less than $83.

  • Are there last-minute flights available from San Diego to Denver for under $200?

    There are currently 20+ open flights from San Diego to Denver within the next 7 days for less than $200.

  • What days are nonstop flights available from San Diego to Denver?

    Nonstop flights can be found on the following days: Tuesday.

  • How popular is this San Diego to Denver flight route?

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

    On average 1 flight departs from San Diego to Denver per day.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from San Diego to Denver?

    Frontier can get you from San Diego to Denver in just under 2h 20m. Your travel time will be generally consistent. There are 856 mi between San Diego and Denver. Most flights are nonstop.

  • What is the cheapest airline to fly from San Diego to Denver round-trip?

    Frontier, at $53, was found to be the cheapest airline from San Diego to Denver.. Frontier is priced at 72% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular airlines that fly from San Diego to Denver?

  • What are the most reliable airlines from San Diego to Denver?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Diego to Denver on time: Air Canada (87%), Lufthansa (87%), United Airlines (86%).

  • What are the cheapest flights from San Diego to Denver?

    While on average a flight from San Diego to Denver is generally $821, our data shows the cheapest flight currently is $54. When looking at the most popular route, (San Diego - Denver Intl), you can expect to pay $89 for that flight.

  • What does SAN to DEN mean?

    San Diego Airport is SAN and Denver Intl Airport is DEN. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from San Diego to Denver on these airlines
Choose from the following airlines for your flight from San Diego to Denver. Flights are based on user searches made on Cheapflights and were last updated on March 19, 2024.

Top 5 airlines flying from San Diego to Denver

Discover the top 5 airlines that operate flights from San Diego to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$160FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$68Average$105FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$138Average$309FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$176Average$266FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$197Average$234FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from San Diego to Denver by cabin class

Find flights from San Diego to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from San Diego to Denver

Find hourly flight availability from San Diego to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 19, 2024.
2%of flight departuresEarly morningMidnight to 6 am
54%of flight departuresMorning6 am to noon
41%of flight departuresAfternoonNoon to 6 pm
3%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Diego to Denver

Explore weekly flight availability from San Diego to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 19, 2024.
Sunday19daily flights
Monday30daily flights
Tuesday25daily flights
Wednesday25daily flights
Thursday28daily flights
Friday29daily flights
Saturday20daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego to Denver?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego to Denver. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Diego to Denver?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Diego to Denver.

Can Cheapflights find flights from San Diego to Denver with no change fees?

Yes! Cheapflights helps users easily find flights from San Diego to Denver with no change fees.

Can Cheapflights notify me if prices for flights from San Diego to Denver become cheaper?

Of course! You can now track prices for flights from San Diego to Denver and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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