Cheap Frontier Airlines flights from Denver to San Diego (DEN→SAN)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Frequently asked questions

How much is a Frontier Airlines flight from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
Landing cheap one-way Frontier Airlines flights from DEN to SAN on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares for your next exciting holiday.**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 Frontier Airlines?
January is one of the most affordable months to jet off to San Diego with Frontier Airlines. You could also find great prices on return and one-way tickets in November.
Does Frontier Airlines fly nonstop from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
You can easily fly from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN) on any of Frontier Airlines's 15 weekly direct flights. Make use of our "Nonstop" and "Airline" filters to find the Frontier Airlines flight that'll arrive at SAN at your preferred time.
How long does it take to fly from DEN to SAN with Frontier Airlines?
It takes approximately 2h 37m to fly nonstop from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN) with Frontier Airlines.
Which day of the week has the most Frontier Airlines flights from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
Friday has the most Frontier Airlines flights from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN). With 3 daily departures, this is the best day of the week to book something that will suit your schedule.
What airports does Frontier Airlines fly into in San Diego?
Frontier Airlines flights from Denver Intl. Airport (DEN) to San Diego arrive at San Diego Intl. Airport (SAN). This is the main gateway here.
What type of plane does Frontier Airlines fly from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
For the Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN) route, Frontier Airlines typically uses Airbus A321neo and Airbus A320neo planes. Keep in mind that last-minute changes are possible for operational demands, meaning your flight could be on another aircraft.
Can I change or cancel my Frontier Airlines flight from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
Depending on the type of fare you purchased, a fee is typically charged if you cancel or change your booking more than 24 hours after it has been confirmed. To find flexible plane tickets, select our "No cancel fee" or "Changes included" filter when you search for flights. For additional information on modifying or cancelling your reservation, head to "Trips," select your flight and tick "Manage Booking."

Travel information

Travel information

Origin airport
Denver Intl.
Destination airport
San Diego Intl.
Distance
1363 km
Average flight time
1 hour 21 mins

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.