Cheap flights from New York LaGuardia Airport to Washington, D.C. from £56

The cheapest month to fly to Washington, D.C. from New York LaGuardia Airport is in March. Flight prices, which tend to average around £46, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in March, then you should wait until November to fly from New York LaGuardia Airport, when ticket prices are also cheap, with an average price of £49.

On average, the least expensive day to fly to Washington, D.C. from New York LaGuardia Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £166. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from New York LaGuardia Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £305.

In the evening 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 £176. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly at midday, with an average ticket price of £557. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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 33% on your flight if you consider stops on a New York LaGuardia Airport to Washington, D.C. flight.

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 departing in the evening have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.

As of June 2026, there are 21 flights per day flying from New York LaGuardia Airport to Washington, D.C.. The most common time of day flights depart is 06:00, with 49% of flights taking off at midday.

As of June 2026, there are 147 flights per week flying from New York LaGuardia Airport to Washington, D.C.. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.