$129 Find Cheap Flights from Pittsburgh to Seattle - Compare and Save

There are several airline lounges at Pittsburgh International Airport. There is a military lounge on Airside Concourse C close to Gate C54 that is reserved only for members of the armed forces and their families. The Airside Terminal's (Level 4) mezzanine level is home to the American Airlines Admirals Club, which provides a number of services and amenities to make traveling more relaxing.

Yes. The Port Authority of Allegheny County runs the West Busway, which connects to Pittsburgh International Airport (PIT) (28X Airport Flyer). Between the airport, Downtown Pittsburgh, Robinson Town Center, and Oakland, the route runs often. It circulates outside of baggage claim 6 approximately every half-hour.

Yes. For mothers who want privacy, the nursing Mamava pods in Concourses A, C, and S are a suitable solution to breastfeed or pump in peace. Nursing suites in Concourse N next to the Alaska Lounge offer a spotless common area with comfy sitting, baby changing spaces, sinks, and a single-stall restroom, which are best suited to accommodate families and can be found in Concourses A and D.

Yes. At the intersection of Concourses A and B, passengers with children can find a play area where the little ones can burn off some energy before traveling to their final destination. For parents who do not want to leave their children behind while going in search of a nursing pod, a mother's room is also incorporated in the play area for privacy or breastfeeding.

Among airlines operating Pittsburgh to Seattle flights:

• Alaska Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Pittsburgh and Seattle. The airlines offering nonstop flights on this route include:

• Alaska Airlines
• American Airlines

Flights from Pittsburgh to Seattle usually depart from Pittsburgh (PIT) and arrive at Seattle/Tacoma Intl (SEA).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• Hawaiian Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Pittsburgh to Seattle:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $244 round-trip via Philadelphia (PHL), compared to $420 for nonstop.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by United Airlines and Alaska Airlines. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

One-stop flights from Pittsburgh to Seattle most commonly connect through:

• Chicago O'Hare Intl (ORD) - 45% of one-stop connections
• Chicago Midway (MDW) - 17% of one-stop connections
• Minneapolis St Paul (MSP) - 9% of one-stop connections
• Salt Lake City (SLC) - 7% of one-stop connections

Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 18% on the Pittsburgh to Seattle route. Wednesday is the cheapest departure day at $334 round-trip on average, while Friday is the most expensive at $407, a difference of $73. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Pittsburgh to Seattle flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

These are the earliest and latest flight times available from Pittsburgh to Seattle:

• Earliest: departs at 7:02 am and lands at 12:21 pm
• Latest: departs at 6:28 pm and lands at 11:47 pm.

The flight takes about 5h 19m.

Last-minute fares on this route - booked within 2 weeks of departure - run 14% above the route average of $381. Book 13 weeks before departure for the lowest fares.

A nonstop flight from Pittsburgh to Seattle takes 5h 19m, covering 2,117 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

One-way fares from Pittsburgh to Seattle are currently lower than usual. Average one-way flight prices are about $165, which is 28% below the typical average for this route.

Flying via Lambert-St Louis (STL) gives the shortest average 1-stop total travel time at 6h 57m, compared with 7h 07m via Detroit Metropolitan Wayne County (DTW) and 7h 29m via Chicago Midway (MDW).

Seattle is 3 hours behind Pittsburgh (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
• Fox
• Europcar
• Thrifty
• Budget
• Dollar

Round-trip flights from Pittsburgh to Seattle range from $295 to $494, with an average of $381 over the past 12 months. Anything below $295 counts as a good deal.

Alaska Airlines is the only airline on the Pittsburgh to Seattle route offering in-flight Wi-Fi. Pricing depends on fare class.