Cheap flights from Louisiana to Washington, D.C. from $78

The month of December is, on average, the cheapest month to fly to Washington, D.C. from Louisiana, with most prices found around $350. If you’re not able to fly to Washington, D.C. in December, then October is your next best option. Flight prices from Louisiana to Washington, D.C. during October average around $365.

On average, the least expensive day to fly to Washington, D.C. from Louisiana is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $422. 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 Louisiana to Washington, D.C. for around $654.

At noon is the cheapest time of day to fly from Louisiana to Washington, D.C. when you can find flight prices for as low as $344. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $527. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from New Orleans Louis Armstrong to Washington, D.C. Reagan-National for the best Louisiana - Washington, D.C. flight prices

You are more likely to see cheaper flights to Washington, D.C. from Louisiana when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $413 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 Louisiana for as low as $270 on momondo.

There are 4 cabin classes available to choose from on Louisiana 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, JetBlue, and Delta are the most popular carriers operating from Louisiana to Washington, D.C.

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Louisiana according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 6 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

The number of flights available between Louisiana and Washington, D.C. is 13 per day as of September 2026. The most frequent departure time is 11:00AM, with 81% of daily flights leaving at noon.

The number of flights available between Louisiana and Washington, D.C. is 93 per week as of September 2026. The most frequent departure day is Sun, with 23% of weekly flights leaving on this day.