How long is the flight from Pittsburgh to Washington, D.C. Dulles Intl Airport?

There are many flights that can get you from Pittsburgh to Washington, D.C. Dulles Intl Airport in 4h 18m. Fly via Southern / Mokulele to get the fastest option. The distance between Pittsburgh and Washington, D.C. Dulles Intl Airport is about 183 mi.

What are the cheapest airlines flying from Pittsburgh to Washington, D.C. Dulles Intl Airport round-trip?

Cheapflights users have booked flights from Pittsburgh to Washington, D.C. Dulles Intl Airport round-trip from $108. Another airline that can offer you cheap pricing is United Airlines. Southern / Mokulele is priced at 53% lower than the current average price of a flight leaving 3 months from now.

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

Currently, July is the cheapest month in which you can book a flight from Pittsburgh to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Pittsburgh 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.

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

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

Weekly flight availability from Pittsburgh to Washington, D.C. Dulles Intl Airport

The most flights from PIT to IAD are scheduled on a Monday (17 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (12 on average).

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.

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).

What are the cheapest flights from Pittsburgh to Washington, D.C. Dulles Intl Airport?

Looking for the cheapest flight from Pittsburgh to Washington, D.C. Dulles Intl Airport? While on average our users pay $984, our data indicates the cheapest price to be $128. The most popular route (Pittsburgh - Washington, D.C. Dulles Intl), is priced around $109.

What are the most reliable airlines from Pittsburgh to Washington, D.C. Dulles Intl Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Pittsburgh to Washington, D.C. Dulles Intl Airport on time: Ethiopian Air (98%), ANA (98%), Copa Airlines (86%).

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

Flights from Pittsburgh to Washington, D.C. Dulles Intl Airport are found to be more expensive on Monday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

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

To save on the cost of your flight from Pittsburgh to Washington, D.C. Dulles Intl Airport, book at least 11 days before your planned departure. Booking around this time can save you about 73% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $141 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $297.

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

Flights from Pittsburgh to Washington, D.C. Dulles Intl Airport lean towards being more expensive in September. Prices are generally better when you fly from Pittsburgh to Washington, D.C. Dulles Intl Airport in April, with the cheapest ticket starting at $110.

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

It’s typically best to fly out from Pittsburgh to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 45% on the flight price compared to flying at noon, which is usually more expensive.

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

Pittsburgh (PIT) is the airport you will fly out of if you book a flight from Pittsburgh to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Pittsburgh; the airport handles an average of 15 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Pittsburgh airport to Washington, D.C. Dulles Intl. It is only a 13.5 mi journey to Pittsburgh (PIT) from Pittsburgh’s city center.

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

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

How can I find direct flights from Pittsburgh to Dulles Intl?

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

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

Yes. Cheapflights offers flight deals from Pittsburgh 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.

$49+ Cheap Flights from Pittsburgh to Washington, D.C. Dulles Intl Airport

Q: How far ahead should I book a flight from Pittsburgh to Washington, D.C. Dulles Intl Airport?

Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pittsburgh to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Round-trip from	$139 (Southern / Mokulele)
One-way from	$49 (Trip.com)
Popular in	January
Cheapest in	August
Average price	$175
Good round-trip deal	$633 or less
Good one-way deal	$213 or less

For early morning flights, arrive 3 hours ahead due to busy security lines. Check the airport's live security time tracker for shorter wait times.

Airline	Cheapest	Average	Flexibility	On-time
Southern / Mokulele	Cheapest$108	Average$140	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$179	Average$276	FlexibilityNo cancel fee	On-time69%

$49+ Cheap flights from Pittsburgh (PIT) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Pittsburgh to Washington, D.C. Dulles Intl are usually found in August or October, booked 23 days in advance, depart on a Thursday or Sunday and return on a Friday

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Cheapest flights from Pittsburgh to Dulles IntlExplore the most affordable flight options available from Pittsburgh to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Explore the most affordable flight options available from Pittsburgh to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

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The best insider tips for Pittsburgh to Washington, D.C. Dulles Intl Airport flights

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Best time to book a flight from Pittsburgh to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Pittsburgh with our price prediction graph.

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

How far ahead should I book a flight from Pittsburgh to Washington, D.C. Dulles Intl Airport?

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

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

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

Weekly flight availability from Pittsburgh to Washington, D.C. Dulles Intl Airport

Reviews of airlines servicing Dulles Intl

Peruse reviews from past customers who have flown with United Airlines from Pittsburgh to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh 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 Pittsburgh to Washington, D.C. Dulles Intl?

How long is the flight from Pittsburgh to Washington, D.C. Dulles Intl Airport?

What are the cheapest airlines flying from Pittsburgh to Washington, D.C. Dulles Intl Airport round-trip?

What are the most reliable airlines from Pittsburgh to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from Pittsburgh to Washington, D.C. Dulles Intl Airport?

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

How can I find direct flights from Pittsburgh to Dulles Intl?

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Cheapest flights from Pittsburgh to Dulles Intl
Explore the most affordable flight options available from Pittsburgh to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.