Cheap flights from Tennessee to District of Columbia from $30

In general, September is the cheapest month to fly from Tennessee to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $24. If you don’t want to visit District of Columbia in September, then you should wait until July to fly from Tennessee, when ticket prices are also cheap, with an average price of $36.

The cheapest day to depart on your flight to District of Columbia is on a Thursday when prices can be found for as low as $367. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Tennessee because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $686.

Flying to District of Columbia from Tennessee in the evening is the least expensive time of day to depart. momondo users have found prices as low as $316 when looking at flights departing in the evening. Flights to District of Columbia are more costly at noon, with an average ticket price of $923. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Knoxville McGhee Tyson to Washington, D.C. Dulles Intl for the best Tennessee - District of Columbia flight prices

You are more likely to see cheaper flights to District of Columbia from Tennessee when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $279 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Tennessee for as low as $119 on momondo.

Southwest, United Airlines, and American Airlines are the most popular carriers operating from Tennessee to District of Columbia

American Airlines, Southwest and Delta are the top three most popular airlines that fly to District of Columbia from Tennessee according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 9 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

As of May 2026, 39 flights take off from Tennessee and land in District of Columbia each day. The most common flight departure time for this route is 9:00AM, with 41% of daily flights taking off at noon.

279 flights are operational weekly from Tennessee to District of Columbia as of May 2026. The most popular departure day for this route is Wed, with 17% of flights per week taking off on this day.