Cheap flights from New York LaGuardia Airport to Washington, D.C. from $137

The month of January is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from New York LaGuardia Airport, with most prices found around $231. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $248.

The cheapest day to depart from New York LaGuardia Airport 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 $307. Flights from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $375. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest New York LaGuardia Airport to Washington, D.C. Reagan-National Airport flights are usually those with departure times at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as $320. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the afternoon when prices are around $358.

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

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from New York LaGuardia Airport 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 $295 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 New York LaGuardia Airport for as low as $138 on momondo.

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

You could potentially save up to 44% on your flight if you consider stops on a New York LaGuardia Airport to Washington, D.C. Reagan-National Airport flight.

As of September 2026, prices for New York LaGuardia Airport to Washington, D.C. Reagan-National Airport flights are approximately 17% cheaper when compared to flights at the same time last year.

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. Monday 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.

19 flights are operational daily from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport as of September 2026. The most popular departure time for this route is 5:00PM, with 42% of flights per day taking off at noon.

As of September 2026, there are 133 flights per week flying from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.