Cheap flights from Indianapolis to Washington from $65

The month of January is, on average, the cheapest month to fly to State of Washington from Indianapolis, with most prices found around $287. If you aren’t able to travel to State of Washington during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $288.

The cheapest day to depart from Indianapolis to State of Washington is on a Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $447. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Indianapolis to State of Washington for around $532.

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $458. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $477 on average. Flights to State of Washington from Indianapolis in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to State of Washington from Indianapolis when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $342 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Indianapolis for as low as $308 on momondo.

There are 4 cabin classes available to choose from on Indianapolis to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, United Airlines, and American Airlines are the most popular carriers operating from Indianapolis to Washington

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to State of Washington from Indianapolis according to our data. Alaska Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 7 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

The number of flights available between Indianapolis and State of Washington is 4 per day as of April 2026. The most frequent departure time is 7:00AM, with 60% of daily flights leaving at noon.

As of April 2026, 34 flights take off from Indianapolis and land in State of Washington each week. The most common flight departure day for this route is Thu, with 24% of weekly flights taking off on this day.