Arrive early at PIT due to construction and potential security delays. Check the live security time tracker for shorter wait times.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $197 (Alaska Airlines) |
One-way from | $80 (American Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $268 |
Good round-trip deal | $317 or less |
Good one-way deal | $216 or less |
Fly from
Fly to
Route
Depart
Return
Price
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Mon 2/2
7:00 am-9:32 am
Nonstop5h 32m
Seattle/Tacoma Intl
Mon 2/9
11:10 am-6:46 pm
Nonstop4h 36m
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Sun 2/15
6:30 am-10:55 am
1 stop7h 25m
Seattle/Tacoma Intl
Wed 2/25
5:30 am-4:08 pm
1 stop7h 38m
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Fri 3/20
5:25 pm-11:40 pm
1 stop9h 15m
Seattle/Tacoma Intl
Mon 3/23
10:58 pm-11:40 am
1 stop9h 42m
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Mon 2/2
7:00 am-9:32 am
Nonstop5h 32m
Seattle/Tacoma Intl
Sun 2/8
11:10 am-6:46 pm
Nonstop4h 36m
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Fri 2/20
5:05 pm-12:09 am
1 stop10h 04m
Seattle/Tacoma Intl
Sat 2/21
6:00 am-5:14 pm
1 stop8h 14m
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Sun 2/1
7:00 am-9:32 am
Nonstop5h 32m
Seattle/Tacoma Intl
Sun 2/8
11:10 am-6:46 pm
Nonstop4h 36m
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Wed 2/18
5:05 pm-12:09 am
1 stop10h 04m
Seattle/Tacoma Intl
Sun 2/22
11:15 pm-9:48 am
1 stop7h 33m
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Sun 2/1
7:00 am-9:32 am
Nonstop5h 32m
Seattle/Tacoma Intl
Mon 2/9
11:10 am-6:46 pm
Nonstop4h 36m
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Mon 2/16
5:05 pm-12:09 am
1 stop10h 04m
Seattle/Tacoma Intl
Sat 2/21
5:30 am-4:08 pm
1 stop7h 38m
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Thu 1/29
10:23 am-2:21 pm
1 stop6h 58m
Seattle/Tacoma Intl
Tue 2/3
9:59 pm-11:40 am
1 stop10h 41m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
The price you pay for your flight from Pittsburgh to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, February is the cheapest month in which you can book a flight from Pittsburgh to Seattle (average of $160). Flying from Pittsburgh to Seattle in June is currently the most expensive (average of $241). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pittsburgh to Seattle as you normally would.
Chicago (ORD) – chosen by Cheapflights users on 50% of 1-stop itineraries from Pittsburgh to Seattle on Cheapflights.
Chicago (MDW) is the most affordable 1-stop option, with an average round-trip price of $157.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 7h 44m.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 03m.
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Anonymous,Dec 2025
SJC - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$373 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$178 | Average$297 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$183 | Average$272 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$337 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$235 | Average$421 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$250 | Average$416 | FlexibilityNo cancel fee | On-time75% |