$165 Cheap Spirit Airlines flights Seattle (SEA) to Myrtle Beach (MYR)

Landing cheap one-way Spirit Airlines flights from SEA to MYR from $165 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $317 for your next getaway.**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.

Look for cheap Spirit Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Myrtle Beach Intl. Airport (MYR) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

Sort your results by "Early Morning" and "Morning" to find the earliest flights from SEA to MYR. Leaving early means you're less likely to experience 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.

With a rewarding loyalty program, Spirit Airlines is a top pick for many travelers departing from SEA to MYR. Plus, as a Free Spirit 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.