Cheap flights from Washington, D.C. to Indianapolis from $65

In general, October is the cheapest month to fly from Washington, D.C. to Indianapolis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $79. If you are unable to visit Indianapolis during the month of October, then departing from Washington, D.C. during the month September is also very affordable. Most momondo users find prices during this month for around $144.

Our data shows that Wednesday is the least expensive day to fly to Indianapolis. Tickets to fly out on this day can be as low as $302. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Indianapolis on Monday is $484.

Flying to Indianapolis from Washington, D.C. in the evening is the least expensive time of day to depart. momondo users have found prices as low as $318 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $370 on average. Flights to Indianapolis from Washington, D.C. in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Washington, D.C. Reagan-National to Indianapolis for the best Washington, D.C. - Indianapolis flight prices

You are more likely to see cheaper flights to Indianapolis from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Indianapolis for around $355 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Indianapolis from Washington, D.C. for as low as $268 on momondo.

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

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Indianapolis.

As of June 2026, prices for Washington, D.C. to Indianapolis flights are approximately 37% more expensive when compared to flights at the same time last year.

Frontier, Southwest, and United Airlines are the most popular carriers operating from Washington, D.C. to Indianapolis

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Indianapolis from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Indianapolis. Keep in mind that there are 5 different airlines that fly to Indianapolis on a routine basis, so you have a few additional options to choose from.

Historically, on average around 71% of flights between Washington, D.C. and Indianapolis have experienced a delay on any given week. The average delay length over the past 12 months has been 223 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Air India have had the least number of delays on this route over the last 12 months; with about 71% of their flights experiencing any sort of delay.

Detroit (DTW) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

Flights via Detroit (DTW) offer the lowest average round-trip price of $294.

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 3h 38m.

Detroit (DTW) has the shortest average layover time for this route: 0h 46m.

19 flights are operational daily from Washington, D.C. to Indianapolis as of June 2026. The most popular departure time for this route is 5:00PM, with 63% of flights per day taking off in the afternoon.

The number of flights available between Washington, D.C. and Indianapolis is 137 per week as of June 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.