$159 Cheap Delta flights New York (LGA) to Seattle (SEA)

Set the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines return flights from $311 from LGA to SEA. Affordable one-way tickets from $159 are also on offer.**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.

January is one of the most affordable months to fly to Seattle with Delta Air Lines. You could also find great prices on one-way and round-trip tickets in February.

To find cheap Delta Air Lines fares from LaGuardia Airport (LGA) to Seattle - Tacoma Intl. Airport (SEA), start searching one to three months before your intended 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 overall price. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking 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.

To see if there’s a direct journey from LGA to SEA with Delta Air Lines or another carrier, check the “Nonstop” filter when browsing for tickets.

Filter your results by “Early Morning” and “Morning” to see the earliest flights from LGA to SEA. Jetting off early means you’re 20% 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.

Seattle - Tacoma Intl. Airport (SEA) is the primary Seattle gateway for Delta Air Lines flights from LaGuardia Airport (LGA).

Delta Air Lines makes flying from LGA to SEA enjoyable with a rewarding loyalty program and an excellent in-flight experience. You also have the chance to earn points with Delta SkyMiles. Be sure to sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making your booking, but your airline may add a charge after that time. For further information about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to make changes without extra charges, apply the “No cancel fee” or “Changes included” filter when planning your next escape.