PIT to SEA from $170 in economy

WNSouthwest Airlines

Round Trip•Economy

PIT

Pittsburgh International Airport

Pittsburgh, United States

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$334 USD

-49%$170 USD

Verified about 6 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$211 1$180 2$223 3$244 4$244 5$216 6$203 7$211 8$180 9$170 10$211 11$236 12$195 13$255 14$221 15$170 16$170 17$211 18$236 19$211 20$244 21$211 22$170 23$170 24$211 25$238 26$210 27$270 28$237 29$206 30$206 1$243 2$262 3$260 4$276

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Friday, September 11th, 2026

9 round-trip options

Returning

Wed, Sep 16, 2026•5 Day Trip

$236 USD

Google Flights

Returning

Thu, Sep 17, 2026•6 Day Trip

$272 USD

Google Flights

Returning

Fri, Sep 18, 2026•7 Day Trip

$292 USD

Google Flights

Returning

Sat, Sep 19, 2026•8 Day Trip

$272 USD

Google Flights

Returning

Sun, Sep 20, 2026•9 Day Trip

$305 USD

Google Flights

Returning

Mon, Sep 21, 2026•10 Day Trip

$272 USD

Google Flights

Returning

Wed, Sep 23, 2026•12 Day Trip

$241 USD

Google Flights

Returning

Thu, Sep 24, 2026•13 Day Trip

$272 USD

Google Flights

Returning

Fri, Sep 25, 2026•14 Day Trip

$292 USD

Google Flights

Pittsburgh (PIT) to Seattle / Tacoma (SEA) flight deal in economy from $170

Pittsburgh International Airport

Seattle–Tacoma International Airport

September 2026

Friday, September 11th, 2026