Dulles Intl

Cheap flights from New Haven (HVN) to Dulles Intl (IAD)

HVN — IAD
Jun 17 — Jun 241
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Cheap flight deals from New Haven to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from New Haven (HVN) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Popular in

December

Cheapest in

April

Average price

$227

Good round-trip deal

$95 or less

Good one-way deal

$71 or less
Highest demand for flights based on searches. 16% potential increase in price ($47 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Tweed-New Haven to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Tweed-New Haven to Washington, D.C. Dulles Intl.

Best time to book a flight from New Haven to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from New Haven with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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?

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 July is currently the most expensive (average of $349). 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.

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 June 12, 2025.

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.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

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.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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).

Related info for your journey

Find useful and relevant information for your journey from New Haven to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from New Haven to Washington, D.C. Dulles Intl?

    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.

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

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

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

    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.

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

    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.

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

    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 July is currently the most expensive (average of $349). 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.

See more FAQs

Traveling to a place near New Haven?

Book flights to New Haven if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
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Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

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Top airline flying from New Haven to Dulles Intl

Discover the top airline that operate flights from New Haven to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$76Average$84FlexibilityNo cancel feeOn-timeN/A

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