Cheap flights from Pittsburgh to Seattle from $112
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Seattle departing on 10/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Thu 11/12
8:05 am-2:20 pm
1 stop9h 15m
Seattle/Tacoma Intl
Sun 11/15
9:15 am-8:49 pm
1 stop8h 34m
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Thu 10/22
6:00 am-11:39 am
1 stop8h 39m
Seattle/Tacoma Intl
Wed 10/28
10:48 pm-10:04 am
1 stop8h 16m
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Fri 10/30
12:25 pm-12:40 am
2 stops15h 15m
Seattle/Tacoma Intl
Thu 11/5
5:15 am-5:45 pm
1 stop9h 30m
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Wed 11/4
2:07 pm-9:19 pm
2 stops10h 12m
Seattle/Tacoma Intl
Wed 11/11
7:00 am-4:55 pm
1 stop6h 55m
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Sat 10/24
5:10 pm-10:25 pm
1 stop8h 15m
Seattle/Tacoma Intl
Tue 10/27
8:55 am-8:20 pm
1 stop8h 25m
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Fri 12/11
4:50 pm-9:21 pm
1 stop7h 31m
Seattle/Tacoma Intl
Mon 1/18
7:00 am-4:59 pm
1 stop6h 59m
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Sat 11/14
12:46 pm-5:10 pm
1 stop7h 24m
Seattle/Tacoma Intl
Sun 11/22
11:35 pm-10:02 am
1 stop7h 27m
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Fri 11/6
5:58 pm-10:05 pm
1 stop7h 07m
Seattle/Tacoma Intl
Sun 11/8
11:50 pm-10:14 am
1 stop7h 24m
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Wed 12/9
8:00 am-10:40 am
Nonstop5h 40m
Seattle/Tacoma Intl
Mon 12/14
1:01 pm-8:30 pm
Nonstop4h 29m
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Fri 11/20
8:12 am-10:40 am
Nonstop5h 28m
Seattle/Tacoma Intl
Mon 11/23
1:09 pm-8:42 pm
Nonstop4h 33m
See travel insights to Seattle from
How to get the cheapest flight ticket from Pittsburgh to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Pittsburgh and Seattle?
Prices are currently typical for flights on this route.
Typical prices usually range from $266 to $432.The lowest price recently found on this route was $267.
What is the cheapest month to fly to Seattle?
In general, February is the cheapest month to fly from Pittsburgh to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $217. If you don’t want to visit Seattle in February, then you should wait until January to fly from Pittsburgh, when ticket prices are also cheap, with an average price of $287.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Pittsburgh is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $420. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Pittsburgh because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $637.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Pittsburgh in the evening is the least expensive time of day to depart. momondo users have found prices as low as $449 when looking at flights departing in the evening. Flights to Seattle are more costly in the afternoon, with an average ticket price of $531. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Pittsburgh to Seattle/Tacoma Intl flight route?
Fly from Pittsburgh to Seattle/Tacoma Intl for the best Pittsburgh - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight from Pittsburgh to Seattle?
You are more likely to see cheaper flights to Seattle from Pittsburgh when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $361 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Pittsburgh for as low as $354 on momondo.
What cabin class options are available on Pittsburgh to Seattle flights?
There are 4 cabin classes available to choose from on Pittsburgh to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Pittsburgh to Seattle flights?
No. A direct flight is the cheapest option for a flight between Pittsburgh to Seattle.
How have Pittsburgh to Seattle flight prices changed over time?
As of October 2026, prices for Pittsburgh to Seattle flights are approximately 0% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Pittsburgh to Seattle/Tacoma Intl?
United Airlines, Delta, and Southwest are the most popular carriers operating from Pittsburgh to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Seattle from Pittsburgh according to our data. Alaska Airlines is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Pittsburgh and Seattle?
Minneapolis (MSP) was the most common stop: 61% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Pittsburgh to Seattle?
Flights via Minneapolis (MSP) offer the lowest average round-trip price of $204.
Which layover airport has the shortest travel time from Pittsburgh to Seattle?
Flights connecting via Chicago (MDW) have the shortest average one-way travel time: 7h 10m.
Which layover airport has the shortest connection time from Pittsburgh to Seattle?
Dallas (DFW) has the shortest average layover time for this route: 0h 51m.
When to book flights from Pittsburgh to Seattle
Cheap Pittsburgh to Seattle (PIT to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to Seattle
Frequently asked questions about flying from Pittsburgh to Seattle
How far is Pittsburgh to Seattle/Tacoma Intl by plane?
Pittsburgh and Seattle/Tacoma Intl are 2131.5 mi apart from one another. Flights usually cover this in 5h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Pittsburgh Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Pittsburgh Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Pittsburgh Airport to Seattle/Tacoma Intl Airport?
As of October 2026, there are 5 operators available to choose from for flights from Pittsburgh Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Pittsburgh Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pittsburgh Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Pittsburgh to Seattle?
Based on momondo bookings for flights between Pittsburgh and Seattle, the leading plane model is Boeing 737 MAX 8, making up 33.33% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 23.61%, Boeing 737 MAX 9 with 12.50%, and Boeing 737-900 Passenger/BBJ3 (winglets) with 5.56%.
What is the most popular airline from Pittsburgh to Seattle?
Based on momondo bookings for flights between Pittsburgh and Seattle, the leading airline is Alaska Airlines, making up 58% of the total bookings. Other popular airlines include United Airlines with 12%, Southwest with 11%, and American Airlines with 10%.
Best airlines flying from Pittsburgh to Seattle
Compare and see reviews for airlines that fly from Pittsburgh to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $178 | Free Cancellation | Rating 7.0 12,145 reviews | |||
| PriceFrom $184 | Free Cancellation | Rating 7.8 8,644 reviews | |||
| PriceFrom $197 | Free Cancellation | Rating 7.9 13,036 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.9 4,222 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 7.4 10,319 reviews |
Alaska Airlines Flights From Pittsburgh to Seattle
Alaska Airlines flight deals from Pittsburgh to Seattle start from $197 round-trip. Over the 4 Alaska Airlines flights for this route in a normal week, average airfare is usually $432 round-trip - but some users have found much cheaper deals with momondo.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Pittsburgh to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pittsburgh to Seattle for you.
Can I find flights from Pittsburgh to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Pittsburgh to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from Pittsburgh to Seattle?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pittsburgh to Seattle.
I’m not ready to book a flight from Pittsburgh to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Pittsburgh and alert you when they change.