Cheap flights from Washington to Indianapolis from $137

In general, March is the cheapest month to fly from State of Washington to Indianapolis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $320. If you are unable to visit Indianapolis during the month of March, then departing from State of Washington during the month January is also very affordable. Most momondo users find prices during this month for around $324.

Our data shows that Saturday is the least expensive day to fly to Indianapolis. Tickets to fly out on this day can be as low as $407. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Indianapolis on Tuesday is $677.

Flying to Indianapolis from State of Washington in the evening is the least expensive time of day to depart. momondo users have found prices as low as $492 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $549 on average. Flights to Indianapolis from State of Washington in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Seattle/Tacoma Intl to Indianapolis for the best Washington - Indianapolis flight prices

You are more likely to see cheaper flights to Indianapolis from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Indianapolis for around $448 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Indianapolis from State of Washington for as low as $259 on momondo.

There are 3 cabin classes available to choose from on State of Washington to Indianapolis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier, Allegiant Air, and Alaska Airlines are the most popular carriers operating from Washington to Indianapolis

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Indianapolis from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Indianapolis. Keep in mind that there are 6 different airlines that fly to Indianapolis on a routine basis, so you have a few additional options to choose from.

As of November 2026, there are 1 flights per day flying from State of Washington to Indianapolis. The most common time of day flights depart is 9:00AM, with 90% of flights taking off at noon.

The number of flights available between State of Washington and Indianapolis is 9 per week as of November 2026. The most frequent departure day is Mon, with 22% of weekly flights leaving on this day.