Cheap flight from Pittsburgh to Seattle from $177

Frequently Asked Questions

• Which airlines offer direct flights from Pittsburgh to Seattle?

  At the moment, you can catch a nonstop flight from Pittsburgh to Seattle with the following airlines, including: Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Pittsburgh (PIT) to Seattle (SEA) and what is the distance?

  It takes around 5 hours 23 minutes to fly from Pittsburgh (PIT) to Seattle (SEA).

• When is the best time to book flights from Pittsburgh to Seattle?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Pittsburgh to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Pittsburgh to Seattle?

  Based on Trip.com data in the past 4 weeks, there is 5 flight per week flying from Pittsburgh to Seattle. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS412 (19:36)

• When are flight tickets from Pittsburgh (PIT) to Seattle (SEA) the cheapest?

  The cheapest months to fly from Pittsburgh to Seattle is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Pittsburgh to Seattle on?

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Pittsburgh to Seattle on November 12, 2025 with American Airlines, with prices starting at $177.

• Which airports can I fly to for Seattle from Pittsburgh?

  You can land at any one of the following hubs in Seattle, with Pittsburgh International Airport to Seattle–Tacoma International Airport (PIT-SEA) is by far the most common option on this route: Seattle–Tacoma International Airport (SEA) King County (Boeing Field) International Airport (BFI) Kenmore Air - Lake Union (LKE).

• Is there any time difference between Pittsburgh and Seattle?

  The time difference between Seattle and Pittsburgh is 3h.

• How do I change or cancel my ticket from Pittsburgh to Seattle?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.