Cheap flights from Nashville to Washington, D.C. from $67

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Nashville, with most prices found around $315. If you’re not able to fly to Washington, D.C. in February, then December is your next best option. Flight prices from Nashville to Washington, D.C. during December average around $320.

On average, the least expensive day to fly to Washington, D.C. from Nashville is on a Friday. momondo users have found tickets for Friday departures for as low as $423. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Nashville to Washington, D.C. for around $769.

In the morning is the cheapest time of day to fly from Nashville to Washington, D.C. when you can find flight prices for as low as $390. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $989. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Washington, D.C. from Nashville when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $336 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Nashville for as low as $218 on momondo.

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

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

Southwest, United Airlines and American Airlines are the top three most popular airlines that fly to Washington, D.C. from Nashville according to our data. Southwest is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 7 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

Boston (BOS) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Flights via Boston (BOS) offer the lowest average round-trip price of $196.

Flights connecting via Boston (BOS) have the shortest average one-way travel time: 5h 46m.

Boston (BOS) has the shortest average layover time for this route: 1h 38m.

As of October 2026, there are 20 flights per day flying from Nashville to Washington, D.C.. The most common time of day flights depart is 1:00PM, with 45% of flights taking off in the afternoon.

The number of flights available between Nashville and Washington, D.C. is 143 per week as of October 2026. The most frequent departure day is Fri, with 26% of weekly flights leaving on this day.