S$147 Cheap Flights from San Diego to Denver

View S$147 flight on Wed, 19 Nov, 2025Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Denver Intl. Airport (DEN)

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

Prices were available within the past 7 days and start at S$147 for one-way flights and S$339 for return, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Wed, 19 Nov - Mon, 24 Nov
SAN
San Diego
DEN
Denver
S$339
Return
Found 6 days ago
Select United flight, departing Wed, 19 Nov from San Diego to Denver, returning Mon, 24 Nov, priced at S$339 Found 6 days ago
American Airlines
Wed, 19 Nov - Mon, 24 Nov
SAN
San Diego
DEN
Denver
S$358
Return
Found 6 days ago
Select American Airlines flight, departing Wed, 19 Nov from San Diego to Denver, returning Mon, 24 Nov, priced at S$358 Found 6 days ago
Delta
Wed, 19 Nov - Mon, 24 Nov
SAN
San Diego
DEN
Denver
S$365
Return
Found 6 days ago
Select Delta flight, departing Wed, 19 Nov from San Diego to Denver, returning Mon, 24 Nov, priced at S$365 Found 6 days ago
United
Wed, 19 Nov - Mon, 24 Nov
SAN
San Diego
DEN
Denver
S$371
Return
Found 6 days ago
Select United flight, departing Wed, 19 Nov from San Diego to Denver, returning Mon, 24 Nov, priced at S$371 Found 6 days ago
Delta
Wed, 19 Nov - Mon, 24 Nov
SAN
San Diego
DEN
Denver
S$373
Return
Found 6 days ago
Select Delta flight, departing Wed, 19 Nov from San Diego to Denver, returning Mon, 24 Nov, priced at S$373 Found 6 days ago
Delta
Wed, 19 Nov - Mon, 24 Nov
SAN
San Diego
DEN
Denver
S$378
Return
Found 6 days ago
Select Delta flight, departing Wed, 19 Nov from San Diego to Denver, returning Mon, 24 Nov, priced at S$378 Found 6 days ago
United
Wed, 19 Nov - Mon, 24 Nov
SAN
San Diego
DEN
Denver
S$384
Return
Found 6 days ago
Select United flight, departing Wed, 19 Nov from San Diego to Denver, returning Mon, 24 Nov, priced at S$384 Found 6 days ago
American Airlines
Wed, 19 Nov - Mon, 24 Nov
CLD
Carlsbad
DEN
Denver
S$391
Return
Found 6 days ago
Select American Airlines flight, departing Wed, 19 Nov from Carlsbad to Denver, returning Mon, 24 Nov, priced at S$391 Found 6 days ago
American Airlines
Wed, 19 Nov - Mon, 24 Nov
SAN
San Diego
DEN
Denver
S$391
Return
Found 6 days ago
Select American Airlines flight, departing Wed, 19 Nov from San Diego to Denver, returning Mon, 24 Nov, priced at S$391 Found 6 days ago
United
Wed, 19 Nov - Mon, 24 Nov
SAN
San Diego
DEN
Denver
S$397
Return
Found 6 days ago
Select United flight, departing Wed, 19 Nov from San Diego to Denver, returning Mon, 24 Nov, priced at S$397 Found 6 days ago
San Diego to Denver route information
Origin airport
San Diego Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$339
Distance
1363 km
Average flight time
3 hours 24 mins

Perfect flights from San Diego to Denver

Your Journey from San Diego to Denver

Start your unforgettable journey with Expedia. Our broad selection of flights from San Diego to Denver caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including United, American Airlines, Delta. Our selection of flights from San Diego Intl. to Denver Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with San Diego to Denver Flights

Experience the joy of finding cheap flights from San Diego Intl. to Denver Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$147 and roundtrip prices from S$339*.
 

Pre-Flight Essentials

Ensure a smooth journey from San Diego to Denver with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Denver

Picture yourself stepping off the plane in Denver and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your San Diego to Denver Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from San Diego to Denver.
 

Beyond the Flight – Exploring Denver

With Expedia, your adventure extends beyond the flight. Explore Denver at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from San Diego to Denver with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from San Diego to Denver with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from San Diego Airport to Denver Intl. Airport (DEN)?
The lowest price advertised for a round-trip flight between San Diego Intl. Airport (SAN) and Denver Intl. Airport (DEN) is S$339. But you better move fast. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Diego Airport to Denver Intl. Airport (DEN)?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from San Diego Airport to DEN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SAN to DEN flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from SAN to Denver Intl. Airport (DEN)?
A flight distance of just 1,350 kilometres separates San Diego and Denver. Once you’re up in the skies, you won’t have time to do much more than listen to a few songs on your travel playlist.
Which airlines fly direct from San Diego Intl. Airport (SAN) to DIA airport?
Many people like to fly with Southwest Airlines (WN) from San Diego Intl. Airport (SAN) to Denver Airport. It offers 191 monthly flights, so you can pick a flight time that works for you. Offering 152 flights a month along this route, United Airlines (UA) is another traveller favourite.
Are San Diego Intl. Airport (SAN) to Denver Intl. Airport (DEN) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from SAN to DEN last minute could save you some cash. However, it might cost you a whole lot more! If you’d rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred carrier hasn’t released tickets yet, check back frequently as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

San Diego Airports

Carlsbad

*Available to Expedia members.