$124 Cheap United flights Indianapolis (IND) to Seattle (SEA)

View $124 flight on Thu, Sep 25, 2025Opens in a new window

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$124 Cheap United flights Indianapolis (IND) to Seattle (SEA)

Prices were available within the past 7 days and start at $124 for one-way flights and $203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Oct 28 - Tue, Nov 4
IND
Indianapolis
SEA
Seattle
$203 Roundtrip, found 2 hours ago
$203
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Oct 28 from Indianapolis to Seattle, returning Tue, Nov 4, priced at $203 found 2 hours ago
United
Mon, Sep 29 - Thu, Oct 2
IND
Indianapolis
SEA
Seattle
$206 Roundtrip, just found
$206
Roundtrip
just found
Select United flight, departing Mon, Sep 29 from Indianapolis to Seattle, returning Thu, Oct 2, priced at $206 just found
United
Tue, Oct 28 - Tue, Nov 4
IND
Indianapolis
SEA
Seattle
$208 Roundtrip, found 2 hours ago
$208
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Oct 28 from Indianapolis to Seattle, returning Tue, Nov 4, priced at $208 found 2 hours ago
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, Southwest Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
1860 mi
Average flight time
1 hour 40 mins

Frequently asked questions

How much is a United Airlines flight from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
Landing cheap one-way United Airlines flights from IND to SEA from $124 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $203 for your next exciting getaway.**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.
What is the cheapest month to fly from IND to SEA with United Airlines?
United Airlines flights to Seattle are often cheaper in the off-peak months of January and February. Whether you're searching for a one-way or a return ticket, you could land a better deal then.
What is the cheapest time to book flights from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA) with United Airlines?
Look for cheap United Airlines flights from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA) one to three months ahead of 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 itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive day tends to be 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.
Does United Airlines fly nonstop from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
Select our "Nonstop" filter when looking for direct United Airlines flights from IND to SEA. It's also a good way to compare other carriers offering the same nonstop route.
What is the earliest United Airlines flight from IND to SEA?
Sort your results by "Morning" and "Early Morning" to see the earliest flights from IND to SEA. Heading off early means flight cancellations are less likely.**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.
What airports does United Airlines fly into in Seattle?
Get on a United Airlines flight from Indianapolis Intl. Airport (IND) to Seattle, and you're most likely to arrive at Seattle - Tacoma Intl. Airport (SEA). This is the airline's primary hub in this city.
Why fly with United Airlines from IND to SEA?
Journey from IND to SEA with United Airlines and enjoy a host of benefits including a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Indianapolis Intl. Airport (IND) to Seattle - Tacoma Intl. Airport (SEA)?
It's generally possible to modify or cancel your flight, although there may be additional fees if you booked more than 24 hours ago. Prefer to keep your options open? Use Expedia's "Changes included" and "No cancel fee" filters to find flights that won't charge you extra if you need to revise your plans. To make modifications, head to "Trips," select your flight and click on "Manage Booking" for more information.

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