Cheap flights from Indianapolis to Washington, D.C. from $140

In general, March is the cheapest month to fly from Indianapolis to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $249. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $275.

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $473. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Indianapolis to Washington, D.C. Dulles Intl Airport for around $1,038.

Flying to Washington, D.C. Dulles Intl Airport from Indianapolis in the morning is the least expensive time of day to depart. momondo users have found prices as low as $457 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $969 on average. Flights to Washington, D.C. Dulles Intl Airport from Indianapolis at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Indianapolis when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $318 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Indianapolis for as low as $242 on momondo.

There are 4 cabin classes available to choose from on Indianapolis to Washington, D.C. Dulles Intl Airport 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 38% on your flight if you consider stops on a Indianapolis to Washington, D.C. Dulles Intl Airport flight.

As of June 2026, prices for Indianapolis to Washington, D.C. Dulles Intl Airport flights are approximately 9% cheaper when compared to flights at the same time last year.

United Airlines, Frontier, and Sun Country Air are the most popular carriers operating from Indianapolis to Washington, D.C. Dulles Intl

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Indianapolis 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 Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 12 flights per day flying from Indianapolis to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 10:00AM, with 43% of flights taking off at noon.

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