Cheap flights from Washington, D.C. Dulles Intl Airport to Indianapolis from $139

In general, December is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Indianapolis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $249. If you are unable to visit Indianapolis during the month of December, then departing from Washington, D.C. Dulles Intl Airport during the month November is also very affordable. Most momondo users find prices during this month for around $259.

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 $285. 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 $387.

Flying to Indianapolis from Washington, D.C. Dulles Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $313 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 $331 on average. Flights to Indianapolis from Washington, D.C. Dulles Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Washington, D.C. Dulles Intl to Indianapolis for the best Washington, D.C. Dulles Intl - Indianapolis flight prices

You are more likely to see cheaper flights to Indianapolis from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Indianapolis for around $320 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. Dulles Intl Airport for as low as $265 on momondo.

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

You could potentially save up to 6% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Indianapolis flight.

As of April 2026, prices for Washington, D.C. Dulles Intl Airport to Indianapolis flights are approximately 6% more expensive when compared to flights at the same time last year.

United Airlines and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl to Indianapolis

United Airlines, Delta and Frontier are the top three most popular airlines that fly to Indianapolis from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 95% of people opting to fly with this airline when traveling to Indianapolis. Keep in mind that there are 3 different airlines that fly to Indianapolis on a routine basis, so you have a few additional options to choose from.

Historically, on average around 52% 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 246 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. Monday 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 52% of their flights experiencing any sort of delay.

The number of flights available between Washington, D.C. Dulles Intl Airport and Indianapolis is 12 per day as of April 2026. The most frequent departure time is 5:00PM, with 64% of daily flights leaving in the afternoon.

As of April 2026, 84 flights take off from Washington, D.C. Dulles Intl Airport and land in Indianapolis each week. The most common flight departure day for this route is Thu, with 15% of weekly flights taking off on this day.