Question 1

What is the cheapest month to book a flight from New Haven to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Currently, August is the cheapest month in which you can book a flight from New Haven to Washington, D.C. Dulles Intl Airport (average of $309). Flying from New Haven to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 2

What is the cheapest day to fly from New Haven to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Travelers seeking maximum savings on their New Haven to Washington, D.C. Dulles Intl Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 3

E

Accepted Answer

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Question 4

E

Accepted Answer

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Question 5

What is the cheapest day to fly round-trip from New Haven to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Saturday is generally a great day to depart. Flying on this day could help you save up to 36%.

Question 6

How far in advance should I book a flight from New Haven to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Travelers have found it’s best to book a flight 27 days in advance to save up to 188% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 27 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from New Haven to Washington, D.C. Dulles Intl Airport 1-2 weeks in advance for as low as $308, or $451 for flights within the next 24 hours.

Question 7

What is the cheapest month to fly from New Haven to Washington, D.C. Dulles Intl Airport?

Accepted Answer

April is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from New Haven. Prices for April average $229 per person but you can even find prices for as low as $91. The most expensive prices can be found in the month of December. Opting for a April flight can save you 29% on your journey compared to booking in December

Question 8

What is the cheapest time of day to fly from HVN to IAD?

Accepted Answer

It’s typically best to fly out from New Haven to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 23% on the flight price compared to flying in the afternoon, which is usually more expensive.

Question 9

What airport do you fly from for flights from New Haven to Washington, D.C. Dulles Intl?

Accepted Answer

Tweed-New Haven (HVN), located 3.6 mi from the city center, is the airport you fly out of when you book flights from New Haven to Washington, D.C. Dulles Intl. 1 airline have flights from Tweed-New Haven to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Tweed-New Haven to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

Question 10

Can I find deals for flights from New Haven to Dulles Intl that include hotel bookings?

Accepted Answer

Yes. In addition to deals on New Haven to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 11

How can I find direct flights from New Haven to Dulles Intl?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Haven to Dulles Intl.

Question 12

Can I find deals for business class flights from New Haven to Dulles Intl?

Accepted Answer

Yes. Cheapflights offers flight deals from New Haven to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Popular in	December
Cheapest in	April
Average price	$229
Good round-trip deal	$78 or less
Good one-way deal	$46 or less

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Everything you need to know about your flight from New Haven to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from New Haven to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from HVN to IAD?

Find hourly flight availability from New Haven to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

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What airport do you fly from for flights from New Haven to Washington, D.C. Dulles Intl?

Can I find deals for flights from New Haven to Dulles Intl that include hotel bookings?

How can I find direct flights from New Haven to Dulles Intl?

Can I find deals for business class flights from New Haven to Dulles Intl?

What is the cheapest month to book a flight from New Haven to Washington, D.C. Dulles Intl Airport?

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