$98 Cheap Flights from Seattle (SEA) to Indianapolis (IND)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Indianapolis Intl. Airport (IND)

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Cheap Flights from Seattle to Indianapolis (SEA-IND)

Prices were available within the past 7 days and start at $98 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Southwest Airlines
American Airlines
Delta
Delta
Southwest Airlines
United
Delta
United
Alaska Airlines

Find the cheapest month to fly from Seattle (SEA) to Indianapolis (IND)

October is typically the cheapest month to fly

From $109 - $276 per traveler.

Graph displaying average flight prices per month

Alternative airports near Indianapolis

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Seattle (SEA) to Indianapolis (IND)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Indianapolis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$189
Distance
1860 mi
Average flight time
7 hours 10 mins

Seattle to Indianapolis Flights

The cheapest times to fly from Seattle to Indianapolis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Indianapolis are during the month of October. You can find some of the cheapest flights from Seattle to Indianapolis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Indianapolis

Sunday is one of the best days to book for cheap flights from Seattle to Indianapolis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Indianapolis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Indianapolis in 2025. You can also book with separate airlines for your outbound and return journeys, from $98 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Indianapolis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Indianapolis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND) cost?
Pick up cheap return flights starting at $237 from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SEA on August 13 2025 and touching down at IND. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SEA to IND?
The cheapest flights from SEA to IND are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND)?
If you're departing from Seattle - Tacoma Intl. Airport (SEA), you can hop on a direct flight to Indianapolis Intl. Airport (IND) with Alaska Airlines.
What is the cheapest airline that flies from SEA to IND?
Currently, the cheapest carrier operating one-way flights from SEA to IND is Alaska Airlines. You can take off on this route from $139. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SEA on August 12 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND)?
On average you can take your pick of 5 direct weekly flights from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND). For more flexibility, consider flights with layovers. Simply enter your details on Expedia and then filter your search to include one stop or more.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND)?
The 10 AM departures from SEA to IND see the highest demand. Prices can be higher for these popular slots. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from SEA to IND?
Jet off on a Friday if you're looking for the biggest selection of flights from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND)?
Seattle - Tacoma Intl. Airport (SEA)'s first flight to Indianapolis Intl. Airport (IND) leaves at approximately 10:20AM UTC-8. With a total travel time of 4h 13m, you'll land at around 5:33PM UTC-5.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND)?
Flights from SEA to IND have an average travel time of 4 hours and 13 minutes. The distance between the two airports is 1,850 mi.
What airline has the least delays from SEA to IND?
With 80% of journeys typically landing on schedule, American Airlines has the best on-time performance for direct flights from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND). To monitor your flight status and get notifications if anything changes, use the Expedia App.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Indianapolis from Seattle - Tacoma Intl. Airport (SEA)?
Check out your flight options from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND). This is the only Indianapolis airport you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND) last-minute?
Booking your flight from SEA to IND shortly before your journey is generally more expensive. However, if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a SEA to IND flight and hotel package?
Booking a SEA to IND flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Indianapolis Intl. Airport (IND)?
Typically, it's possible to cancel or reschedule your SEA to IND flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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