$81 Cheap Flights from Indianapolis (IND) to Seattle (SEA)

View $81 flight on Wed, Jan 28, 2026Opens in a new window

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

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Cheap Flights from Indianapolis to Seattle (IND-SEA)

Prices were available within the past 7 days and start at $81 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, Jan 14 - Sat, Jan 24
IND
Indianapolis
SEA
Seattle
$128 Roundtrip, found 6 hours ago
$128
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Wed, Jan 14 from Indianapolis to Seattle, returning Sat, Jan 24, priced at $128 found 6 hours ago
Southwest Airlines
Tue, Dec 9 - Tue, Dec 16
IND
Indianapolis
SEA
Seattle
$133 Roundtrip, found 12 hours ago
$133
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Tue, Dec 9 from Indianapolis to Seattle, returning Tue, Dec 16, priced at $133 found 12 hours ago
Southwest Airlines
Tue, Jan 13 - Thu, Jan 22
IND
Indianapolis
SEA
Seattle
$134 Roundtrip, found 8 hours ago
$134
Roundtrip
found 8 hours ago
Select Southwest Airlines flight, departing Tue, Jan 13 from Indianapolis to Seattle, returning Thu, Jan 22, priced at $134 found 8 hours ago
Southwest Airlines
Wed, Jan 14 - Sat, Jan 24
IND
Indianapolis
SEA
Seattle
$138 Roundtrip, found 6 hours ago
$138
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Wed, Jan 14 from Indianapolis to Seattle, returning Sat, Jan 24, priced at $138 found 6 hours ago
Southwest Airlines
Mon, Jan 12 - Thu, Jan 22
IND
Indianapolis
SEA
Seattle
$140 Roundtrip, found 6 hours ago
$140
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Mon, Jan 12 from Indianapolis to Seattle, returning Thu, Jan 22, priced at $140 found 6 hours ago
American Airlines
Thu, Dec 11 - Tue, Dec 16
IND
Indianapolis
SEA
Seattle
$143 Roundtrip, found 5 hours ago
$143
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Dec 11 from Indianapolis to Seattle, returning Tue, Dec 16, priced at $143 found 5 hours ago
Southwest Airlines
Wed, Jan 14 - Thu, Jan 22
IND
Indianapolis
SEA
Seattle
$144 Roundtrip, found 10 hours ago
$144
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Wed, Jan 14 from Indianapolis to Seattle, returning Thu, Jan 22, priced at $144 found 10 hours ago
Delta
Thu, Dec 11 - Tue, Dec 16
IND
Indianapolis
SEA
Seattle
$152 Roundtrip, found 5 hours ago
$152
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Dec 11 from Indianapolis to Seattle, returning Tue, Dec 16, priced at $152 found 5 hours ago
Frontier Airlines
Thu, Dec 11 - Tue, Dec 16
IND
Indianapolis
SEA
Seattle
$155 Roundtrip, found 5 hours ago
$155
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Indianapolis to Seattle, returning Tue, Dec 16, priced at $155 found 5 hours ago
Alaska Airlines
Sat, Nov 15 - Sat, Nov 22
IND
Indianapolis
SEA
Seattle
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Nov 15 from Indianapolis to Seattle, returning Sat, Nov 22, priced at $217 just found

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

September is typically the cheapest month to fly

From $143 - $194 per traveler.
Flights from Indianapolis (IND) to Seattle (SEA)
Origin airport
Indianapolis Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$127
Distance
1860 mi
Average flight time
1 hour 46 mins

Indianapolis to Seattle Flights

The cheapest times to fly from Indianapolis to Seattle

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 Indianapolis to Seattle are during the month of January. You can find some of the cheapest flights from Indianapolis to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Indianapolis to Seattle

Sunday is one of the best days to book for cheap flights from Indianapolis to Seattle: 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 Indianapolis to Seattle

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 Indianapolis to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $81 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 Indianapolis to Seattle 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 Indianapolis to Seattle 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 Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA) cost?
Get a cheap one-way flight from $81 or cheap return flight from $128 from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from IND to SEA is January, when there's less demand. Off-peak season is typically when airlines offer better prices between these airports.
Which airlines fly direct from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
Fly directly from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA) on an Alaska Airlines flight.
What is the cheapest airline that flies from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
To find the cheapest airline that'll fly you from IND to SEA, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
On average, there are 5 direct flights departing from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA) weekly. If you can't see one that works for your schedule, think about catching a flight that includes a layover. Filter your search on Expedia to include one stop or more and choose the next best option.
What are the most popular departure times for flights from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
Flights between IND and SEA are busiest at 6 PM. For a more relaxed atmosphere and possibly cheaper prices, choose a time when demand is lower.
What day of the week has the most flights from IND to SEA?
Friday has the most flights from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA). Consider traveling on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
Catch the earliest flight at around 6:33PM UTC-5, leaving from Indianapolis Intl. Airport (IND). You'll be traveling for around 5h 2m, landing at Seattle - Tacoma Intl. Airport (SEA) at approximately 8:35PM UTC-8.
How long does it take to fly from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
Flights from IND to SEA have an average travel time of 5 hours and 2 minutes. The distance between the two airports is 1,850 mi.
What airline has the least delays from IND to SEA?
With 83% of journeys usually landing on time, American Airlines has the best on-time performance for nonstop flights from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA). To check your flight status and receive notifications if anything changes, use the Expedia App.
What is the best time to fly from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
To land at Seattle - Tacoma Intl. Airport (SEA) without delays, choose a flight that leaves from Indianapolis Intl. Airport (IND) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Seattle from Indianapolis Intl. Airport (IND)?
Seattle - Tacoma Intl. Airport (SEA) is the only airport in Seattle with direct flights from Indianapolis Intl. Airport (IND). Explore your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your flight from IND to SEA right before your journey is usually more expensive. However, if there's some wiggle room with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an IND to SEA flight and hotel package?
Securing an IND to SEA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of accommodations and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
In most instances, you're able to reschedule or cancel your IND to SEA flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further information, head to our Customer Service portal.

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*Available to One Key members.