How many flights depart from Pittsburgh to Seattle on average per week?

As of May 2026, there are 5 flights per week flying from Pittsburgh to Seattle. The most common day of the week flights depart is Tue, with 40% of flights taking off on this day.

What is the cheapest airline that flies from Pittsburgh to Seattle/Tacoma Intl?

United Airlines, Southwest, and Alaska Airlines are the most popular carriers operating from Pittsburgh to Seattle/Tacoma Intl

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 18m.

Which airport is the most popular layover for flights between Pittsburgh and Seattle?

Minneapolis (MSP) was the most common stop: 55% 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.

What airlines fly to Seattle?

Alaska Airlines, Delta and United Airlines 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 65% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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 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 May 2026, there are 7 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.

$125 Cheap Flights from Pittsburgh to Seattle in 2026

Q: What is the typical price of a round-trip flight between Pittsburgh and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from $476 to $314. The lowest price recently found on this route was $272.

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Find the cheapest flights from Pittsburgh to Seattle

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 am - 6:35 pm

PIT

SEA

12h 55m

1 stop

12:55 pm - 11:05 pm

SEA

PIT

7h 10m

1 stop

$272Southwest

Wed, Aug 12 - Wed, Aug 19

5:11 pm - 10:58 pm

PIT

SEA

8h 47m

1 stop

12:39 pm - 11:43 pm

SEA

PIT

8h 04m

1 stop

$284American Airlines

Mon, Jun 1 - Fri, Jul 3

6:35 pm - 10:55 pm

PIT

SEA

7h 20m

1 stop

10:30 pm - 12:05 pm

SEA

PIT

10h 35m

1 stop

$285Southwest

Mon, Aug 10 - Tue, Aug 18

3:55 pm - 11:30 pm

PIT

SEA

10h 35m

2 stops

11:05 pm - 11:20 am

SEA

PIT

9h 15m

1 stop

$290Southwest

Tue, Jul 28 - Tue, Aug 11

8:40 am - 6:35 pm

PIT

SEA

12h 55m

1 stop

11:00 pm - 12:45 pm

SEA

PIT

10h 45m

1 stop

$296Southwest

Tue, Aug 4 - Tue, Aug 4

6:30 pm - 12:40 am

PIT

SEA

9h 10m

1 stop

11:05 pm - 11:20 am

SEA

PIT

9h 15m

1 stop

$298Southwest

Thu, Aug 6 - Tue, Aug 11

5:05 pm - 10:56 pm

PIT

SEA

8h 51m

1 stop

5:05 am - 6:44 pm

SEA

PIT

10h 39m

1 stop

$302American Airlines

Wed, Jul 15 - Wed, Jul 22

8:40 am - 6:35 pm

PIT

SEA

12h 55m

1 stop

5:15 am - 3:30 pm

SEA

PIT

7h 15m

1 stop

$303Southwest

Wed, Aug 12 - Thu, Aug 27

4:50 pm - 1:10 am

PIT

SEA

11h 20m

1 stop

10:45 pm - 12:35 pm

SEA

PIT

10h 50m

1 stop

$307Southwest

Sat, Jun 13 - Tue, Jul 7

1:25 pm - 8:15 pm

PIT

SEA

9h 50m

2 stops

10:30 pm - 12:05 pm

SEA

PIT

10h 35m

1 stop

$309Southwest

Tue, Aug 4 - Tue, Aug 4

American Airlines flights from Pittsburgh to Seattle

Our best American Airlines deals on Pittsburgh to Seattle flight tickets

American Airlines

Sep 15

PIT6:08 pmPittsburgh

7h 48m

1 stop

SEA10:56 pmSeattle/Tacoma Intl

Sep 24

SEA10:35 pmSeattle/Tacoma Intl

10h 29m

1 stop

PIT12:04 pmPittsburgh

$280

American Airlines

Sep 16

PIT6:08 pmPittsburgh

7h 48m

1 stop

SEA10:56 pmSeattle/Tacoma Intl

Sep 19

SEA11:32 amSeattle/Tacoma Intl

6h 49m

1 stop

PIT9:21 pmPittsburgh

$281

American Airlines

Jul 3

PIT5:05 pmPittsburgh

8h 51m

1 stop

SEA10:56 pmSeattle/Tacoma Intl

Jul 8

SEA11:22 pmSeattle/Tacoma Intl

8h 26m

1 stop

PIT10:48 amPittsburgh

$284

United Airlines flights from Pittsburgh to Seattle

Our best United Airlines deals on Pittsburgh to Seattle flight tickets

United Airlines

Sep 4

PIT6:10 pmPittsburgh

7h 35m

1 stop

SEA10:45 pmSeattle/Tacoma Intl

Sep 14

SEA11:00 pmSeattle/Tacoma Intl

7h 49m

1 stop

PIT9:49 amPittsburgh

$292

United Airlines

Jun 1

PIT5:23 pmPittsburgh

9h 09m

1 stop

SEA11:32 pmSeattle/Tacoma Intl

Jun 3

SEA1:51 pmSeattle/Tacoma Intl

7h 08m

1 stop

PIT11:59 pmPittsburgh

$319

United Airlines

Oct 9

PIT6:00 pmPittsburgh

7h 56m

1 stop

SEA10:56 pmSeattle/Tacoma Intl

Oct 11

SEA11:13 pmSeattle/Tacoma Intl

7h 41m

1 stop

PIT9:54 amPittsburgh

$332

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 8/12

8:40 am-6:35 pm

1 stop12h 55m

Seattle/Tacoma Intl

Wed 8/19

12:55 pm-11:05 pm

1 stop7h 10m

$272

Quickest round-trip

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 6/1

5:11 pm-10:58 pm

1 stop8h 47m

Seattle/Tacoma Intl

Fri 7/3

12:39 pm-11:43 pm

1 stop8h 04m

$284

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 8/10

6:35 pm-10:55 pm

1 stop7h 20m

Seattle/Tacoma Intl

Tue 8/18

10:30 pm-12:05 pm

1 stop10h 35m

$285

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 7/28

3:55 pm-11:30 pm

2 stops10h 35m

Seattle/Tacoma Intl

Tue 8/11

11:05 pm-11:20 am

1 stop9h 15m

$290

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 8/4

8:40 am-6:35 pm

1 stop12h 55m

Seattle/Tacoma Intl

Tue 8/4

11:00 pm-12:45 pm

1 stop10h 45m

$296

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 8/6

6:30 pm-12:40 am

1 stop9h 10m

Seattle/Tacoma Intl

Tue 8/11

11:05 pm-11:20 am

1 stop9h 15m

$298

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 7/15

5:05 pm-10:56 pm

1 stop8h 51m

Seattle/Tacoma Intl

Wed 7/22

5:05 am-6:44 pm

1 stop10h 39m

$302

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 8/12

8:40 am-6:35 pm

1 stop12h 55m

Seattle/Tacoma Intl

Thu 8/27

5:15 am-3:30 pm

1 stop7h 15m

$303

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 6/13

4:50 pm-1:10 am

1 stop11h 20m

Seattle/Tacoma Intl

Tue 7/7

10:45 pm-12:35 pm

1 stop10h 50m

$307

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 8/4

1:25 pm-8:15 pm

2 stops9h 50m

Seattle/Tacoma Intl

Tue 8/4

10:30 pm-12:05 pm

1 stop10h 35m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Pittsburgh and Seattle?

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 October to fly from Pittsburgh, when ticket prices are also cheap, with an average price of $277.

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 $397. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday 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 $497.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Pittsburgh in the morning is the least expensive time of day to depart. momondo users have found prices as low as $430 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $476. 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 $330 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 $292 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 May 2026, prices for Pittsburgh to Seattle flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Pittsburgh to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Best Price Found	$287
Fastest flight time	5h 11m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Pittsburgh in the past 72 hours is $287. The best round-trip flight deal from Pittsburgh to Seattle found on momondo in the last 72 hours is $452.

The fastest flight from Pittsburgh to Seattle takes 5h 11m

Direct flights go from Pittsburgh to Seattle every day.

There is 1 airport in Seattle. From Pittsburgh there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

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 11m, 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 May 2026, there are 7 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 737-800 Passenger/BBJ2 (winglets), making up 42.61% of the total bookings. Other popular models include Boeing 737 MAX 9 with 13.04%, Boeing 737-900 Passenger/BBJ3 (winglets) with 11.30%, and Boeing 737 MAX 8 with 9.57%.
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 57% of the total bookings. Other popular airlines include United Airlines with 11%, Delta with 10%, and American Airlines with 9%.

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
Frontier	PriceFrom $99	Free Cancellation	Rating 5.6 2,945 reviews	Search Frontier flights
Delta	PriceFrom $119	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights
Southwest	PriceFrom $166	Free Cancellation	Rating 7.9 4,284 reviews	Search Southwest flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.1 11,643 reviews	Search American Airlines flights
Hawaiian Airlines	PriceFrom $196	Free Cancellation	Rating 7.8 2,836 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $197	Free Cancellation	Rating 7.9 12,386 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $231	Free Cancellation	Rating 7.4 9,739 reviews	Search United Airlines flights

Alaska Airlines Flights From Pittsburgh to Seattle
Alaska Airlines flight deals from Pittsburgh to Seattle start from $197 round-trip. Over the 7 Alaska Airlines flights for this route in a normal week, average airfare is usually $385 round-trip - but some users have found much cheaper deals with momondo.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Puyallup

Lakewood

Tukwila

Marysville

Cle Elum

Federal Way

Fife

Centralia

Westport

Shoreline

Tumwater

Why 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.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Fri 6/19

Fri 6/26

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Airports servicing Washington

Walla Walla Airport

Bellingham Airport

Wenatchee Pangborn Field Airport

Eastsound Orcas Island Airport

Friday Harbor SPB Airport

Spokane Airport

Kenmore Air Harbor Airport

Pasco Tri Cities Airport

Pullman Moscow Regional Airport

Rosario SPB Airport

Yakima Air Terminal Airport

Cheap flights from Pittsburgh to Seattle from $125

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 6/9. 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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How to get the cheapest flight ticket from Pittsburgh to Seattle

What is the typical price of a round-trip flight between Pittsburgh and Seattle?

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

What is the cheapest Pittsburgh to Seattle/Tacoma Intl flight route?

How far in advance should I book a flight from Pittsburgh to Seattle?

What cabin class options are available on Pittsburgh to Seattle flights?

Can stopping save me money on Pittsburgh to Seattle flights?

How have Pittsburgh to Seattle flight prices changed over time?

What is the cheapest airline that flies from Pittsburgh to Seattle/Tacoma Intl?

What airlines fly to Seattle?

Which airport is the most popular layover for flights between Pittsburgh and Seattle?

Which layover airport offers the lowest fares from Pittsburgh to Seattle?

Which layover airport has the shortest travel time from Pittsburgh to Seattle?

Which layover airport has the shortest connection time from Pittsburgh to Seattle?

How many flights depart from Pittsburgh to Seattle on average per week?

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

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

Frequently asked questions about flying from Pittsburgh to Seattle

Best airlines flying from Pittsburgh to Seattle

Compare and see reviews for airlines that fly from Pittsburgh to Seattle with momondo

Alaska Airlines Flights From Pittsburgh to Seattle

Traveling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favorite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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