Cheap Spirit Airlines flights Denver (DEN) to San Diego (SAN)

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Flights from Denver (DEN) to San Diego (SAN)
Origin airport
Denver Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
852 mi
Average flight time
1 hour 20 mins

Frequently asked questions

How much is a Spirit Airlines flight from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
Scoring cheap one-way Spirit Airlines flights from DEN to SAN on Expedia is simple --- just filter by "Price (lowest to highest)." Or check out our affordable return fares for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to SAN with Spirit Airlines?
Search for one-way or return flights to San Diego in January or November. You could find cheaper fares with Spirit Airlines during these quieter months.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN) with Spirit Airlines?
Start searching one to three months ahead of your departure date to find cheaper fares on Spirit Airlines flights from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Spirit Airlines fly nonstop from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
To figure out if there's a direct route from DEN to SAN with Spirit Airlines or any other airlines, select the "Nonstop" filter when searching for tickets.
What is the earliest Spirit Airlines flight from DEN to SAN?
Search Spirit Airlines's earliest flights from DEN to SAN by checking our "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Spirit Airlines fly into in San Diego?
Spirit Airlines flights from Denver Intl. Airport (DEN) to San Diego land at San Diego Intl. Airport (SAN). This is the main gateway to this city.
Why fly with Spirit Airlines from DEN to SAN?
A rewarding loyalty program and the opportunity to collect points through Free Spirit are the start of the reasons to leave from DEN to SAN with Spirit Airlines. Plus, when you join our One Key™ program, you can receive OneKeyCash™* in addition to Spirit Airlines's loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Spirit Airlines flight from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
It's generally possible to cancel or modify your flight, although there may be additional fees if your booking was made over 24 hours ago. Want to keep your options open? Use our "Changes included" or "No cancel fee" filter to find flights that won't penalize you if you have to revise your plans. To make changes, visit "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.