Important: This destination may have COVID-19 travel restrictions in place, including specific restrictions for lodging. Check any national, local, and health advisories for this destination before you book.

Frontier Airlines Flights from Denver (DEN) to San Diego (SAN) from $44

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The cheapest flights to San Diego Intl. found within the past 7 days were $89 round trip and $44 one way. Prices and availability subject to change. Additional terms may apply.

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FAQs about Frontier Airlines Flights from DEN to SAN

Can I catch a flight from Denver, CO (DEN-Denver Intl.) to San Diego, CA (SAN-San Diego Intl.) right now?

Make sure you go to our Covid-19 Travel Advisor to see if there are any present travel advice reports and quarantine requirements in place in San Diego, CA (SAN-San Diego Intl.) when flying from Denver, CO (DEN-Denver Intl.).

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to SAN, please visit our Customer Service Portal.

Which airlines offer COVID-19 measures and exercise social distancing rules?

Southwest Airlines, Alaska Airlines and United Airlines are just some of the many carriers that employ COVID-19 measures and use social distancing rules on their flights. Some of their strategies are cleaning with disinfectant and providing passenger masks.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

CarrierFlightDepart DENArrive SANMon
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F955303:20 pm04:45 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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F955110:00 pm11:33 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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Frontier Airlines Airports
Hop on a(n) Frontier Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport Code
Country
Airport Name
Number of Flights
DENUSADenver Intl.13
MCOUSAOrlando Intl.7
CUNMEXCancun Intl.6
GDLMEXDon Miguel Hidalgo y Costilla Intl.5
PHLUSAPhiladelphia Intl.2
ORDUSAO'Hare Intl.2
MIAUSAMiami Intl.1
LASUSAMcCarran Intl.1
MEXMEXMexico City Intl.1
LAXUSALos Angeles Intl.1

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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
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