Cheap flights from New York LaGuardia Airport to Washington, D.C. from $100

The month of February is, on average, the cheapest month to fly to Washington, D.C. from New York LaGuardia Airport, with most prices found around $241. If you’re not able to fly to Washington, D.C. in February, then January is your next best option. Flight prices from New York LaGuardia Airport to Washington, D.C. during January average around $250.

On average, the least expensive day to fly to Washington, D.C. from New York LaGuardia Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $355. 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 New York LaGuardia Airport to Washington, D.C. for around $439.

In the morning is the cheapest time of day to fly from New York LaGuardia Airport to Washington, D.C. when you can find flight prices for as low as $377. 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 in the evening because they tend to be around $445. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from New York LaGuardia to Washington, D.C. Reagan-National for the best New York LaGuardia - Washington, D.C. flight prices

There are 4 cabin classes available to choose from on New York LaGuardia Airport 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.

You could potentially save up to 16% on your flight if you consider stops on a New York LaGuardia Airport to Washington, D.C. flight.

Frontier, United Airlines, and Delta are the most popular carriers operating from New York LaGuardia to Washington, D.C.

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Washington, D.C. from New York LaGuardia Airport according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% of flights between New York and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 119 minutes.

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

Saturday 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, Delta have had the least number of delays on this route over the last 12 months; with about 22% of their flights experiencing any sort of delay.

As of July 2026, there are 20 flights per day flying from New York LaGuardia Airport to Washington, D.C.. The most common time of day flights depart is 6:00AM, with 53% of flights taking off at noon.

145 flights are operational weekly from New York LaGuardia Airport to Washington, D.C. as of July 2026. The most popular departure day for this route is Mon, with 21% of flights per week taking off on this day.