Cheap Flights from Seattle / Tacoma International to Indianapolis

Compare Seattle / Tacoma International to Indianapolis flight deals

Find the cheapest month or even day of the year to fly to Indianapolis

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Flight deals from Seattle / Tacoma International to Indianapolis

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Indianapolis Airport? If you want to travel next month, return fares start from R 4,658. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to Indianapolis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Indianapolis flights are currently cheapest in August.

Direct flights from Seattle / Tacoma International to Indianapolis

Seattle / Tacoma International to Indianapolis: Alternative routes

Compare routes from Seattle / Tacoma International to Indianapolis below. You may find an airport to fly into that's cheaper, faster, or easier than Indianapolis.

Seattle to Indianapolis: Flight information

The things to know before you go.
Cheapest flight foundR 2,010
Cheapest month to flyAugust
Average flight time4 hrs, 14 mins
Most popular airlineAlaska Airlines
Average flights per week30

Finding cheap flights from Seattle / Tacoma International to Indianapolis: Frequently asked questions

The best price we found for a return flight from Seattle / Tacoma International to Indianapolis is R 4,020. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 14 minutes is the average flight time from Seattle / Tacoma International to Indianapolis.
Alaska Airlines, American Airlines and Finnair fly direct from Seattle / Tacoma International to Indianapolis.
As of May 2026, there are 30 flights per week flying from Seattle / Tacoma International to Indianapolis.
The cheapest month to fly from Seattle / Tacoma International to Indianapolis is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Indianapolis Airport on Tuesday, 1 September 2026.
Yes – the average flight time is 4 hours and 14 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Indianapolis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Indianapolis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta and Alaska Airlines offer the cheapest flight tickets to Indianapolis.

Travelling from Seattle-Tacoma International Airport (SEA) to Indianapolis International Airport (IND): what you need to know

  • Around 4 hours 10 minutes is how long you can expect to be in the air on a direct flight from Seattle-Tacoma International Airport to Indianapolis International Airport.

  • Indianapolis's timezone is UTC-4, making Indianapolis three hours ahead of Seattle.

  • Take your pick of ten weekly Seattle-Tacoma International Airport to Indianapolis International Airport flights. The 09:45 departure with Alaska Airlines is the earliest flight you can take. Alaska Airlines operates the last service of the day at 22:50.

  • Your SEA to IND flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Travelling during a peak month such as July? Public holidays and other high seasons can lead to longer lines and delays at security. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • Alaska Airlines has direct flights from Seattle-Tacoma International Airport to Indianapolis International Airport. Book with this popular carrier, then get ready to check out the sights in Indianapolis — and maybe even more of United States if you have time.

  • Alaska Airlines tops the list for bookings on this route.

  • The most punctual carrier that offers SEA to IND flights is Alaska Airlines. Its services land as planned 76.47% of the time.

  • Think about adding a stopover when booking your ticket from Seattle-Tacoma International Airport to Indianapolis International Airport. Just deselect 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here's where you can stop between SEA and IND:

    • Minneapolis-St. Paul International Airport

    • Denver International Airport

    • O'Hare International Airport

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Indianapolis International Airport (IND)

  • R 2,010 is currently the best price for a one-way Seattle-Tacoma International Airport to Indianapolis International Airport flight. A return flight starts at R 4,020. These prices can change depending on availability.

  • Get cheap tickets from SEA to IND by booking at least six months ahead. Based on our research, that's the sweet spot for finding a bargain.

  • May is the cheapest month for flights from Seattle-Tacoma International Airport to Indianapolis International Airport. If you'd like to travel at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Picking up cheap flights from SEA to IND is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as a new deal comes up.

  • Select your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Seattle-Tacoma International Airport to Indianapolis International Airport.

Handy information about Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport has a strong on-time performance, making delays less likely. Departures from SEA make it to their destination as scheduled 81.27% of the time.

  • To reach Seattle-Tacoma International Airport from central Seattle, it takes around 20 minutes if you're travelling by car. This depends on traffic, however. It's approximately 23 kilometres from the airport to the city centre.

  • The journey on public transport usually takes 55 minutes.

  • Have an early flight from Seattle-Tacoma International Airport to Indianapolis International Airport? Avoid the stress of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels near SEA:

Arriving at Indianapolis International Airport (IND)

Getting from Indianapolis International Airport (IND) to central Indianapolis

  • IND is located at 7800 Col. H. Weir Cook Memorial Drive.

  • Indianapolis International Airport is approximately 24 kilometres from central Indianapolis. The drive time takes about 25 minutes.

  • It takes around 1 hour if you're using public transport.

When to fly to Indianapolis International Airport (IND)

  • July is the busiest month for flights from Seattle-Tacoma International Airport to Indianapolis International Airport. For smaller crowds, visit Indianapolis in April.

  • The warmest month in Indianapolis is July, with temperatures ranging between 16ºC (61ºF) and 30ºC (86ºF). Book your flights from Seattle-Tacoma International Airport to Indianapolis International Airport in this month if this is the kind of weather you like.

  • January sees average temperatures of between -12ºC (10ºF) and 5ºC (41ºF). Look for cheap tickets from SEA to IND sometime around then if you like cooler conditions.

Explore more of United States

  • Indianapolis has plenty to offer, but there are so many other corners of United States you'll want to see. About 257 kilometres north-west of Indianapolis, a visit to Chicago will fill your itinerary to the brim. Start with leading attractions like Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • Around 274 kilometres east of Indianapolis, Columbus is another favourite stop in United States. Experience this destination's highlights firsthand at Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.