Cheap flights from Austin to Washington, D.C. from $148

The month of September is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Austin, with most prices found around $347. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $397.

The cheapest day to depart from Austin to Washington, D.C. Reagan-National Airport is on a Saturday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Saturday will often find tickets for as low as $464. Flights from Austin to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $806. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Austin to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $489. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $595.

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

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $512 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Austin for as low as $386 on momondo.

There is only 1 cabin class available to choose from on Austin to Washington, D.C. Reagan-National Airport 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 Austin to Washington, D.C. Reagan-National Airport.

As of July 2026, prices for Austin to Washington, D.C. Reagan-National Airport flights are approximately 34% cheaper when compared to flights at the same time last year.

Frontier is the most popular carrier operating from Austin Bergstrom to Washington, D.C. Reagan-National

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Austin according to our data. Southwest is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 6 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% of flights between Austin and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 114 minutes.

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

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

According to our data, Southwest have had the least number of delays on this route over the last 12 months; with about 25% of their flights experiencing any sort of delay.

Denver (DEN) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $223.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 5h 38m.

Atlanta (ATL) has the shortest average layover time for this route: 1h 15m.

1 flights are operational daily from Austin to Washington, D.C. Reagan-National Airport as of July 2026. The most popular departure time for this route is 12:00PM, with 100% of flights per day taking off in the afternoon.

11 flights are operational weekly from Austin to Washington, D.C. Reagan-National Airport as of July 2026. The most popular departure day for this route is Wed, with 27% of flights per week taking off on this day.