$116 Cheap Delta flights Seattle (SEA) to Indianapolis (IND)

Finding cheap one-way Delta Air Lines flights from SEA to IND from $116 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares from $186 for your next break.**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.

Search for one-way or round-trip flights to Indianapolis in January or November. You could find an affordable fare with Delta Air Lines during these off-peak months.

Begin your search one to three months ahead of your travel date to score cheap fares on Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic flights.*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 the “Nonstop” filter when browsing for direct Delta Air Lines flights from SEA to IND. It’s also a great way to compare other carriers servicing the same nonstop route.

To find the earliest departures from SEA to IND with Delta Air Lines, filter your results by “Early Morning” and “Morning.” Choosing an early flight usually 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.

Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis touch down at Indianapolis Intl. Airport (IND). This is the main entry point to this city.

Heading from SEA to IND with Delta Air Lines comes with a range of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That’s in addition to 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 generally free within 24 hours of making a booking, but your airline may add a charge after that. For more information about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without additional charges, check the “Changes included” and “No cancel fee” filters when planning your next getaway.