CA $135 Cheap Flights from Pittsburgh (PIT) to Seattle (SEA)

View CA $135 flight on Thu, May 28, 2026Opens in a new window

Popular airlines from Pittsburgh International Airport (PIT) to Seattle-Tacoma International Airport (SEA)

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Cheap flights from Pittsburgh (PIT) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $135 for one-way flights and CA $270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jun 2 - Tue, Jun 9
PIT
Pittsburgh
SEA
Seattle
CA $270 Roundtrip, found 4 days ago
CA $270
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jun 2 from Pittsburgh to Seattle, returning Tue, Jun 9, priced at CA $270 found 4 days ago
Delta
Fri, Jun 5 - Mon, Jun 8
PIT
Pittsburgh
SEA
Seattle
CA $285 Roundtrip, found 4 days ago
CA $285
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jun 5 from Pittsburgh to Seattle, returning Mon, Jun 8, priced at CA $285 found 4 days ago
American Airlines
Fri, Jun 5 - Mon, Jun 8
PIT
Pittsburgh
SEA
Seattle
CA $287 Roundtrip, found 4 days ago
CA $287
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jun 5 from Pittsburgh to Seattle, returning Mon, Jun 8, priced at CA $287 found 4 days ago
Delta
Tue, Jun 9 - Thu, Jun 11
PIT
Pittsburgh
SEA
Seattle
CA $299 Roundtrip, found 4 days ago
CA $299
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jun 9 from Pittsburgh to Seattle, returning Thu, Jun 11, priced at CA $299 found 4 days ago
Delta
Fri, Jun 5 - Thu, Jun 11
PIT
Pittsburgh
SEA
Seattle
CA $314 Roundtrip, found 4 days ago
CA $314
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jun 5 from Pittsburgh to Seattle, returning Thu, Jun 11, priced at CA $314 found 4 days ago
Delta
Tue, Jun 16 - Fri, Jul 3
PIT
Pittsburgh
SEA
Seattle
CA $328 Roundtrip, found 4 days ago
CA $328
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jun 16 from Pittsburgh to Seattle, returning Fri, Jul 3, priced at CA $328 found 4 days ago
American Airlines
Wed, May 6 - Wed, May 13
PIT
Pittsburgh
SEA
Seattle
CA $330 Roundtrip, found 4 days ago
CA $330
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, May 6 from Pittsburgh to Seattle, returning Wed, May 13, priced at CA $330 found 4 days ago
United
Tue, Jun 9 - Wed, Jun 17
PIT
Pittsburgh
SEA
Seattle
CA $476 Roundtrip, found 4 days ago
CA $476
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 9 from Pittsburgh to Seattle, returning Wed, Jun 17, priced at CA $476 found 4 days ago
Alaska Airlines
Wed, Jun 3 - Sun, Jun 14
PIT
Pittsburgh
SEA
Seattle
CA $517 Roundtrip, found 4 days ago
CA $517
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Jun 3 from Pittsburgh to Seattle, returning Sun, Jun 14, priced at CA $517 found 4 days ago
JetBlue Airways
Tue, Jun 30 - Tue, Jul 14
PIT
Pittsburgh
SEA
Seattle
CA $838 Roundtrip, found 2 hours ago
CA $838
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Tue, Jun 30 from Pittsburgh to Seattle, returning Tue, Jul 14, priced at CA $838 found 2 hours ago

Find the cheapest month to fly from Pittsburgh (PIT) to Seattle (SEA)

April is typically the cheapest month to fly

From CA $232 - CA $463 per traveller.

Frequently asked questions

How much is a flight from Pittsburgh Airport to SEA?
Start packing your bags, because round-trip flights from PIT to SEA start from CA $270. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PIT to Sea-Tac Airport?
We get that life can throw the odd curveball, so we've made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Pittsburgh Airport to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines will allow you to move your flight without charging a fee. All you pay is the cost difference between the two flights. When looking for PIT to Seattle - Tacoma Intl. Airport (SEA) flights, you'll find a "No change fees" filter for you to pick.
How many hours is the flight from PIT to Seattle - Tacoma Intl. Airport (SEA)?
Consider bringing your own on-board entertainment (like some downloaded podcasts), as it takes around 7 hours and 54 minutes to reach Seattle - Tacoma Intl. Airport (SEA) from PIT. A set of noise-cancelling earphones will be useful too.
How far is the flight from Pittsburgh Intl. Airport (PIT) to Sea-Tac Airport?
The flight distance between PIT (PIT) and Sea-Tac Airport (SEA) is 3,400 kilometres. Listen to some music or finish off your latest read and the trip will zip on by.
Which airlines fly direct from Pittsburgh Intl. Airport (PIT) to Sea-Tac Airport?
A popular choice with many savvy travellers, Alaska Airlines (AS) operates 30 flights monthly from Pittsburgh Airport to Seattle - Tacoma Intl. Airport (SEA). Pick the one that fits with your travel schedule and book your fare today.
Are PIT to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Tickets from Pittsburgh Intl. Airport (PIT) to Sea-Tac Airport are available up to a year before departure on Expedia. And although you may occasionally pick up a great last-minute deal, it's never something you can count on. Also, booking your flights in advance means you'll have more options — and you can avoid being wedged in the dreaded middle seat! We regularly update our fares to bring you the best bargains, so check back often for all the latest specials.

Frequently asked questions

How much does a flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between $892 and $2,908 and return flights often range between $892 and $2,908. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
January is typically the cheapest month to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average round-trip fares of approximately 695 CAD. This is about 21% lower than the average price throughout the year. January often sees lower prices because it falls after the busy holiday travel season, when demand for flights tends to decrease. Other cheap months to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include February and September.
How do I find cheap flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma 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 Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveler to traveler. If you like to fly early, AS offers early morning flights. If price is the most important factor, AS typically offers the lowest fares. WN offers the most daily flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), 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 Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Based on booking data from the past year, if you're looking for the best time to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), you'll find the cheapest fares in January and February, with average round-trip flights around 695 CAD. These months are typically less busy, which helps keep prices down. If you're prioritizing more flight options and a bustling travel period, April and August are the most popular months, offering plenty of choices for your journey.
How many flights per day from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 101 connecting flights per day from Pittsburgh Intl. (PIT) to Seattle - Tacoma Intl. (SEA). Some common connection points include O'Hare Intl. (ORD), Denver Intl. (DEN), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in January and December. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you're looking for the most flight options from Pittsburgh International Airport (PIT) to Seattle - Tacoma International Airport (SEA), Thursday is typically your best bet, with around 70 flights available. This gives you plenty of options to choose from. Major airlines on this route include United Airlines, American Airlines, and Delta Air Lines. Flight schedules are fairly consistent throughout the week, with Thursday offering only slightly more flights than other days.
What are the most popular departure times for flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the early morning, from 6am to 9am. About 34% of passengers prefer this time window. Many major carriers, including American Airlines, Alaska Airlines and United Airlines, offer flights during this window. Many travelers prefer these early flights as they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Direct flights from PIT to SEA usually take about 5 hours 30 minutes, traveling roughly 2,118 miles. If you opt for a connecting flight, expect to add around 3 hours 50 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 Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for PIT to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma 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 Seattle from Pittsburgh Intl. (PIT)?
From Pittsburgh Intl. (PIT), you can fly directly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), O'Hare Intl. (ORD), Washington Dulles Intl. (IAD) before reaching Seattle. 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 Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma 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 Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package 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 Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma 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
Pittsburgh Intl.
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
CA $269
Distance
3388 km
Average flight time
5 hours 18 mins

Book with confidence

Pittsburgh to Seattle Flights

The easy way to book your flights from Pittsburgh to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Pittsburgh whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Pittsburgh to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Pittsburgh Intl., PIT to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Pittsburgh to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Pittsburgh currently is just CA $270 rising to CA $838.  

Here are more money-saving tips: 

  • Fly in June when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Pittsburgh 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Pittsburgh to Seattle Flights

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