Cheap flights from New Hampshire to Washington, D.C. from $79

The month of September is, on average, the cheapest month to fly to Washington, D.C. from New Hampshire, with most prices found around $192. If you’re not able to fly to Washington, D.C. in September, then May is your next best option. Flight prices from New Hampshire to Washington, D.C. during May average around $199.

On average, the least expensive day to fly to Washington, D.C. from New Hampshire is on a Friday. momondo users have found tickets for Friday departures for as low as $291. 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 Hampshire to Washington, D.C. for around $391.

In the afternoon is the cheapest time of day to fly from New Hampshire to Washington, D.C. when you can find flight prices for as low as $304. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $373. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Washington, D.C. from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $290 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 New Hampshire for as low as $189 on momondo.

There are 4 cabin classes available to choose from on New Hampshire 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.

United Airlines, Delta, and Southwest are the most popular carriers operating from New Hampshire to Washington, D.C.

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to Washington, D.C. from New Hampshire according to our data. American Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 4 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

As of March 2026, 76 flights take off from New Hampshire and land in Washington, D.C. each day. The most common flight departure time for this route is 12:00PM, with 65% of daily flights taking off in the afternoon.

537 flights are operational weekly from New Hampshire to Washington, D.C. as of March 2026. The most popular departure day for this route is Wed, with 20% of flights per week taking off on this day.