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CA $175 Cheap Flights from Pittsburgh (PIT) to Seattle (SEA)

View CA $175 flight on Tue, Sep 15, 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 $175 for one-way flights and CA $347 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Sep 25 - Mon, Sep 28
PIT
Pittsburgh
SEA
Seattle
CA $347 Roundtrip, found 1 day ago
CA $347
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 25 from Pittsburgh to Seattle, returning Mon, Sep 28, priced at CA $347 found 1 day ago
American Airlines
Fri, Sep 25 - Mon, Sep 28
PIT
Pittsburgh
SEA
Seattle
CA $390 Roundtrip, found 1 day ago
CA $390
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 25 from Pittsburgh to Seattle, returning Mon, Sep 28, priced at CA $390 found 1 day ago
JetBlue Airways
Wed, Sep 2 - Sat, Sep 5
PIT
Pittsburgh
SEA
Seattle
CA $394 Roundtrip, found 6 days ago
CA $394
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Wed, Sep 2 from Pittsburgh to Seattle, returning Sat, Sep 5, priced at CA $394 found 6 days ago
American Airlines
Fri, Sep 25 - Mon, Sep 28
PIT
Pittsburgh
SEA
Seattle
CA $424 Roundtrip, found 1 day ago
CA $424
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 25 from Pittsburgh to Seattle, returning Mon, Sep 28, priced at CA $424 found 1 day ago
American Airlines
Sat, Aug 22 - Mon, Aug 31
PIT
Pittsburgh
SEA
Seattle
CA $425 Roundtrip, found 3 days ago
CA $425
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 22 from Pittsburgh to Seattle, returning Mon, Aug 31, priced at CA $425 found 3 days ago
American Airlines
Wed, Sep 2 - Sat, Sep 5
PIT
Pittsburgh
SEA
Seattle
CA $433 Roundtrip, found 6 days ago
CA $433
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 2 from Pittsburgh to Seattle, returning Sat, Sep 5, priced at CA $433 found 6 days ago
American Airlines
Sat, Aug 22 - Mon, Aug 31
PIT
Pittsburgh
SEA
Seattle
CA $446 Roundtrip, found 3 days ago
CA $446
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 22 from Pittsburgh to Seattle, returning Mon, Aug 31, priced at CA $446 found 3 days ago
American Airlines
Thu, Aug 20 - Mon, Aug 31
PIT
Pittsburgh
SEA
Seattle
CA $450 Roundtrip, found 1 day ago
CA $450
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug 20 from Pittsburgh to Seattle, returning Mon, Aug 31, priced at CA $450 found 1 day ago
Alaska Airlines
Fri, Sep 25 - Mon, Sep 28
PIT
Pittsburgh
SEA
Seattle
CA $495 Roundtrip, found 1 day ago
CA $495
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Sep 25 from Pittsburgh to Seattle, returning Mon, Sep 28, priced at CA $495 found 1 day ago
Delta
Thu, Aug 20 - Wed, Aug 26
PIT
Pittsburgh
SEA
Seattle
CA $517 Roundtrip, found 4 days ago
CA $517
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Aug 20 from Pittsburgh to Seattle, returning Wed, Aug 26, priced at CA $517 found 4 days ago

Frequently asked questions

How much does a flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from CA $175 and cheap return flights from CA $347 PIT to SEA with Expedia. Return flights often range between CA$480 and CA$1587. 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 PIT to SEA 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) to Seattle, WA (SEA), with average return fares around CA$397. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from Pittsburgh, PA (PIT) to Seattle, WA (SEA) include February and September.
Which airlines fly direct from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter PIT to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting return flights on this route, with tickets starting from around CA$351. Alaska Airlines is one of the cheapest airlines offering nonstop return flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with tickets starting from around CA$370 for flights that can be booked for departure within the next year. 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.
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, Alaska Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. Southwest Airlines 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) to Seattle, WA (SEA)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 100 connecting flights per day from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include O'Hare Intl. (ORD), Denver Intl. (DEN), and Midway Intl. (MDW).
What is the earliest flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Pittsburgh Intl. (PIT) to Seattle - Tacoma Intl. (SEA) typically departs around 5:00 AM. This flight is operated by American Airlines and is a seasonal service, active in January and December. An early departure like this can help you make the most of 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.)?
You'll typically find the most flights from Pittsburgh International Airport (PIT) to Seattle - Tacoma International Airport (SEA) on a Thursday, with around 76 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Looking at the week, Thursday offers notably more flight options compared to other days, making it a great day to consider for your trip.
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 Intl. (PIT) to Seattle - Tacoma Intl. (SEA) are in the early morning, from 6am to 9am. Many major carriers, including Alaska Airlines, American Airlines and United, offer flights during this window. Many travellers prefer this because it allows for an early arrival in Seattle, giving you more time to enjoy your day.
How long does it take to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A direct flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically takes around 5 hours 30 minutes, covering a distance of approximately 3,408 kilometres. If you opt for a one-stop flight, the journey usually takes longer, around 9 hours 30 minutes. Flights with two or more stops will extend your travel time even further, to about 13 hours 50 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Yes, you can fly business class or first class between PIT and SEA. You can fly business class with Delta.First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
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, WA (SEA) from Pittsburgh, PA (PIT)?
If you're planning to travel to Seattle from Pittsburgh Intl. (PIT), you can fly directly into Seattle - Tacoma Intl. (SEA) which offers international flights and connections. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), O'Hare Intl. (ORD), or 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.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways
Roundtrip price
CA $346
Distance
3388 km
Average flight time
2 hours 19 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 $347 rising to CA $517.  

Here are more money-saving tips: 

  • Fly in September 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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