Cheap Frontier Airlines flights Seattle (SEA) to San Diego (SAN)

Flights from Seattle (SEA) to San Diego (SAN)
Origin airport
Seattle - Tacoma Intl.
Destination airport
San Diego Intl.
Distance
1051 mi
Average flight time
2 hours 50 mins

Frequently asked questions

How much is a Frontier Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Apply the "Price (lowest to highest)" filter on Expedia to find cheap Frontier Airlines round-trip flights from SEA to SAN. Affordable one-way tickets are available as well.**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 SEA to SAN with Frontier Airlines?
Search for one-way or round-trip flights to San Diego in January or November. You could find cheaper fares with Frontier Airlines during these off-season months.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN) with Frontier Airlines?
For cheap Frontier Airlines fares from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the price you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**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 Frontier Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Fill in your dates, hit search and select "Nonstop" on Expedia to find any direct flights from SEA to SAN with Frontier Airlines or another carrier.
What is the earliest Frontier Airlines flight from SEA to SAN?
To find the earliest departures from SEA to SAN with Frontier Airlines, filter your results by "Morning" and "Early Morning." Choosing an early flight usually means you'll experience fewer cancellations.**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 Frontier Airlines fly into in San Diego?
Take a Frontier Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego, and you'll most likely arrive at San Diego Intl. Airport (SAN). This is the airline's main hub in this destination.
Why fly with Frontier Airlines from SEA to SAN?
Offering a rewarding loyalty program, Frontier Airlines is a favorite of many passengers journeying from SEA to SAN. Plus, if you're a Frontier Miles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*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 Frontier Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Depending on your fare type, a fee generally applies if you cancel or change your flight more than 24 hours after it's confirmed. To secure flexible plane tickets, select our "Changes included" or "No cancel fee" filter while searching for flights. To learn more about canceling or changing your reservation, head to "Trips," select your flight and click on "Manage Booking."
*Available to One Key members.