Cheap Delta flights Iron Mountain (IMT) to Seattle (SEA)

You’ll discover cheap round-trip Delta Air Lines flights from $509 from IMT to SEA by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains for a one-way journey.**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.

Delta Air Lines flights to Seattle are often more affordable in the quieter months of January and February. Whether you need a return or one-way ticket, you could find a better deal then.

Look for cheap Delta Air Lines flights from Ford Airport (IMT) to Seattle - Tacoma Intl. Airport (SEA) one to three months before your departure date. 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. No matter the fare type and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive 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.

Click on our “Nonstop” filter when browsing for direct Delta Air Lines flights from IMT to SEA. You can also compare other airlines offering the same nonstop route.

Filter your results by “Early Morning” and “Morning” to find the earliest departures from IMT to SEA. Jetting off 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.

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

Heading from IMT to SEA with Delta Air Lines comes with a variety of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That’s on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of booking, but your airline may charge you after that. For further details about modifying your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your itinerary without additional costs, apply the “No cancel fee” or “Changes included” filter when planning your trip.