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$85 Cheap Flights from Washington (IAD) to Pittsburgh (PIT)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT)

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Cheap Flights from Washington to Pittsburgh (IAD-PIT)

Prices were available within the past 7 days and start at $85 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
Delta
United
Southern Airways Express
United
Southern Airways Express
American Airlines
Alaska Airlines

Alternative airports near Pittsburgh

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from Washington (IAD) to Pittsburgh (PIT)

September is typically the cheapest month to fly

From $112 - $489 per traveler.

What you need to know for your flight from Washington Dulles Intl. to Pittsburgh Intl.

Washington (IAD) to Pittsburgh (PIT) at a glance

Travel from Washington Dulles International Airport (IAD) to Pittsburgh International Airport (PIT) with a selection of airlines on this domestic short-haul route. Explore various options from full-service carriers to find the itinerary that suits your budget and schedule as you prepare for your next flight. Discover key details for flights from Washington to Pittsburgh and get ready to experience the city's renowned attractions and neighborhoods.

  • Fastest flight duration: around 1 hour non-stop
  • Route distance: roughly 200 miles (320 km)
  • Flights per week: around 13 departures on average
  • Typical fares (one-way): economy tickets often range from $70–$320, depending on seasonality and how far ahead you book

Flights from Washington Dulles International Airport (IAD) to Pittsburgh International Airport (PIT)

Based on the latest traveler bookings, here are the top airlines flying from Washington to Pittsburgh, favored for their non-stop and one-stop options. Popular layover choices include DuBois Regional Airport, DUJ (approximately 2 hours), Lancaster Airport, LNS (around 50 minutes), and Bradford Regional Airport, BFD (about 1 hour). This variety allows you to tailor your itinerary by balancing price, total travel time, and cabin class to find the best fit for your journey.

  • United: This full-service airline provides non-stop flights, with one-way prices generally falling between $90 and $370. United operates about 64% of departures on this route, allowing for a swift travel time of just 1 hour.
  • Southern Airways: Offering one-stop service, this full-service carrier features one-way fares usually ranging from $70 to $110. Southern Airways makes up approximately 35% of departures, with an in-flight duration of 2 hours and 15 minutes and a total journey time of around 4 hours and 15 minutes, including a layover.
  • Delta: As another full-service option, Delta provides one-stop flights with one-way fares typically between $100 and $370. Although it represents about 1% of departures on this route, expect an in-flight time of 2 hours and 15 minutes and a total travel time of about 4 hours and 15 minutes, including the layover.

Travelers flying from Washington to Pittsburgh can opt for an upgrade, as United offers first-class service on this route.

Best time to fly from Washington (IAD) to Pittsburgh (PIT)

The most popular months for travelers flying from Washington to Pittsburgh are February, March, and April, when peak temperatures in Pittsburgh reach up to 51.1°F in April. If you prefer quieter travel, consider August, the least busy time to visit with temperatures around 72.1°F and typically the lowest average one-way fare (around $123). Flight availability peaks in May, with approximately 15 flights per week, making it easier to find convenient departure times. January, April, June, and July have the fewest flights, with approximately 12 flights per week.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $123, roughly 20% cheaper than the yearly average.
  • Another budget-friendly time to fly: April typically offers an average one-way fare of around $133.
  • Most flight options: May has the highest number of flights from Washington to Pittsburgh, with approximately 15 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January28.6°F (-1.9°C)Average12$168
February31.3°F (-0.4°C)Moderately High14$159
March40.5°F (4.7°C)Moderately High14$154
April51.1°F (10.6°C)Moderately High12$133
May61.7°F (16.5°C)Average15$152
June69.4°F (20.8°C)Average12$165
July73.9°F (23.3°C)Moderately Low12$144
August72.1°F (22.3°C)Moderately Low14$123
September66.2°F (19.0°C)Average13$139
October54.7°F (12.6°C)Average13$157
November42.6°F (5.9°C)Average13$178
December35.2°F (1.8°C)Moderately Low14$186

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to find the best prices for flights from Washington (IAD) to Pittsburgh (PIT)

Getting some of the best deals on flights from Washington to Pittsburgh is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are generally found when booking within two weeks, which coincides with when most travelers make their reservations. Departures in the afternoon (12 PM to 6 PM) typically offer lower prices and are also the most popular flight times. Additionally, flying on Friday not only provides cheaper options but is also the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Pittsburgh International Airport from Washington Dulles International Airport

Pittsburgh welcomes travelers from Washington with a range of transport options based on price, convenience, and proximity. For departures, Washington Dulles International Airport is roughly a 40-minute drive (covering about 29 miles) from central Washington. Here's how to reach Pittsburgh efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Pittsburgh, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Pittsburgh International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Pittsburgh International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) cost?
You can find cheap one-way flights from $85 and cheap return flights from $117 Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) with Expedia. One-way flights typically cost between $93 and $619, and return flights often range between $240 and $845. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
June is the cheapest month to fly from Washington, DC (IAD) to Pittsburgh (PIT), with average round-trip fares around $243. This price is about 8% lower than the average for the year, as travel tends to slow down after the busy spring season. Other economical months to consider are July and December.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
You can fly direct from IAD to PIT on United, with around 38 flights per week.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
Southern Airways Express is one of the cheapest airlines offering connecting flights from Washington Dulles Intl. to Pittsburgh Intl., with round-trip tickets starting from around $139. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
The best airline to fly with from Washington, DC (IAD) to Pittsburgh, PA (PIT) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Delta offers the most daily flights from IAD to PIT, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
The best time to fly from Washington, DC (IAD) to Pittsburgh, PA (PIT) is typically in June or July. During these months, you can find return flights at around $243, making them the cheapest months to travel. June and July are ideal as they fall during the summer when many people are on vacation, leading to lower demand and better prices.*Prices based on flights available on Expedia in the last year.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
There are approximately 5 nonstop flights per day from Washington Dulles Intl. (IAD) to Pittsburgh Intl. (PIT). For more options, look at flights that include layovers.
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from IAD to PIT. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
The most popular departure times for flights from Washington, DC (IAD) to Pittsburgh (PIT) are in the early morning, from 6am to 9am. About 37% of passengers prefer this time window. Many major carriers, including Delta Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to arrive in Pittsburgh early, giving you a full day to explore the city.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
Direct flights from IAD to PIT usually take about 1 hour 20 minutes, traveling roughly 183 miles. If you opt for a connecting flight, expect to add around 2 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
You can fly first class between IAD and PIT. First class cabins are available on:

  • Delta Air Lines
  • United Airlines
  • American Airlines

How much is a business class flight from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
A non-stop, one-way business class flight from Washington, DC (IAD) to Pittsburgh (PIT) is usually around $402 - $607 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Pittsburgh from Washington Dulles Intl. (IAD)?
From Washington Dulles Intl. (IAD), you can fly into Pittsburgh Intl. (PIT) to reach Pittsburgh. Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Logan Intl. (BOS), Raleigh - Durham Intl. (RDU) before reaching Pittsburgh. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) Pittsburgh Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Pittsburgh Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southern Airways Express, United
Roundtrip price
$117
Distance
183 mi
Average flight time
1 hour 8 mins

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*Flight schedules are subject to change.

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