Cheap Flights from Pittsburgh (PIT) to Seattle (SEA) from HK$777~

View HK$777 flight on Fri, 20 Mar 2026Opens in a new window

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

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Find Cheap Flights from Pittsburgh (PIT) to Seattle (SEA)

Prices were available within the past 7 days and start at HK$777 for one-way flights and HK$1,543 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 24 Mar - Tue, 31 Mar
PIT
Pittsburgh
SEA
Seattle
HK$1,543 Return, found 1 day ago
HK$1,543
Return
found 1 day ago
Select Delta flight, departing Tue, 24 Mar from Pittsburgh to Seattle, returning Tue, 31 Mar, priced at HK$1,543 found 1 day ago
Alaska Airlines
Wed, 18 Mar - Thu, 19 Mar
PIT
Pittsburgh
SEA
Seattle
HK$1,692 Return, found 1 day ago
HK$1,692
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 18 Mar from Pittsburgh to Seattle, returning Thu, 19 Mar, priced at HK$1,692 found 1 day ago
Delta
Sun, 22 Mar - Tue, 24 Mar
PIT
Pittsburgh
SEA
Seattle
HK$1,704 Return, found 1 day ago
HK$1,704
Return
found 1 day ago
Select Delta flight, departing Sun, 22 Mar from Pittsburgh to Seattle, returning Tue, 24 Mar, priced at HK$1,704 found 1 day ago
Delta
Sun, 22 Mar - Tue, 24 Mar
PIT
Pittsburgh
SEA
Seattle
HK$1,865 Return, found 1 day ago
HK$1,865
Return
found 1 day ago
Select Delta flight, departing Sun, 22 Mar from Pittsburgh to Seattle, returning Tue, 24 Mar, priced at HK$1,865 found 1 day ago
Alaska Airlines
Wed, 18 Mar - Sat, 21 Mar
PIT
Pittsburgh
SEA
Seattle
HK$2,003 Return, found 1 day ago
HK$2,003
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 18 Mar from Pittsburgh to Seattle, returning Sat, 21 Mar, priced at HK$2,003 found 1 day ago
Delta
Fri, 20 Mar - Sat, 21 Mar
PIT
Pittsburgh
SEA
Seattle
HK$2,016 Return, found 1 day ago
HK$2,016
Return
found 1 day ago
Select Delta flight, departing Fri, 20 Mar from Pittsburgh to Seattle, returning Sat, 21 Mar, priced at HK$2,016 found 1 day ago
Delta
Sun, 22 Mar - Tue, 24 Mar
PIT
Pittsburgh
SEA
Seattle
HK$2,027 Return, found 1 day ago
HK$2,027
Return
found 1 day ago
Select Delta flight, departing Sun, 22 Mar from Pittsburgh to Seattle, returning Tue, 24 Mar, priced at HK$2,027 found 1 day ago
Alaska Airlines
Thu, 19 Mar - Sat, 28 Mar
PIT
Pittsburgh
SEA
Seattle
HK$2,165 Return, found 1 day ago
HK$2,165
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 19 Mar from Pittsburgh to Seattle, returning Sat, 28 Mar, priced at HK$2,165 found 1 day ago
Delta
Sun, 22 Mar - Tue, 24 Mar
PIT
Pittsburgh
SEA
Seattle
HK$2,177 Return, found 1 day ago
HK$2,177
Return
found 1 day ago
Select Delta flight, departing Sun, 22 Mar from Pittsburgh to Seattle, returning Tue, 24 Mar, priced at HK$2,177 found 1 day ago
United
Thu, 19 Mar - Sat, 21 Mar
PIT
Pittsburgh
SEA
Seattle
HK$2,650 Return, found 1 day ago
HK$2,650
Return
found 1 day ago
Select United flight, departing Thu, 19 Mar from Pittsburgh to Seattle, returning Sat, 21 Mar, priced at HK$2,650 found 1 day ago

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

January is typically the cheapest month to fly

From HK$989 - HK$2,352 per traveller.
Pittsburgh to Seattle route information
Origin airport
Pittsburgh Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
HK$1,499
Distance
3388 km
Average flight time
5 hours 35 mins

Flights from Pittsburgh to Seattle

Book cheap flights from Pittsburgh (PIT) to Seattle (SEA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Pittsburgh (PIT) to Seattle (SEA) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Pittsburgh (PIT) to Seattle (SEA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Seattle flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Seattle and things to do in Seattle for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Seattle more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is HK$777 now!

 

Frequently asked questions

How much is a flight from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA)?
The lowest price advertised for a round-trip journey between Pittsburgh Airport and Sea-Tac Airport is HK$1,543. But you better get a move on. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year. 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?
We get that life can throw the odd curveball, so we've made it as simple as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Pittsburgh Airport to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PIT to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Pittsburgh Intl. Airport (PIT) to Sea-Tac Airport?
Around 3,400 kilometers separates Pittsburgh and SeaTac, so pack something to help you fill in a couple of hours. That latest bestseller you haven't started will be ideal.
Which airlines fly direct from Pittsburgh Airport to Sea-Tac Airport?
Alaska Airlines (AS) will fly you from Pittsburgh Intl. Airport (PIT) to SEA safely and comfortably. You can choose from 30 flights each month on this route.
Are Pittsburgh Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally nab a bargain, with some of the cheapest fares from PIT to SEA surfacing a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines release prices so far in advance.

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