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

American Airlines is the most popular carrier operating from Pittsburgh to Seattle/Tacoma Intl

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

As of December 2025, there are 4 flights per week flying from Pittsburgh to Seattle. The most common day of the week flights depart is Thu, with 50% of flights taking off on this day.

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 Hawaiian 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 61% 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 airport is the most popular layover for flights between Pittsburgh and Seattle?

Minneapolis (MSP) was the most common stop: 48% of momondo users choosing 1-stop flights on this route connected there.

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.

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

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 46m.

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 December 2025, 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.

$88 Cheap Flights from Pittsburgh to Seattle in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:35 pm - 12:01 am

PIT

SEA

9h 26m1 stop

11:05 pm - 11:11 am

SEA

PIT

9h 06m1 stop

$197Delta

Wed, Apr 22 - Fri, May 1

5:40 am - 10:50 am

PIT

SEA

8h 10m1 stop

6:35 am - 3:45 pm

SEA

PIT

6h 10m1 stop

$198Southwest

Fri, Jan 16 - Sun, Jan 25

7:00 am - 9:32 am

PIT

SEA

5h 32mnonstop

11:10 am - 6:46 pm

SEA

PIT

4h 36mnonstop

$204Multiple Airlines

Mon, Feb 2 - Wed, Feb 4

5:13 pm - 11:05 pm

PIT

SEA

8h 52m1 stop

11:33 pm - 11:57 am

SEA

PIT

9h 24m1 stop

$209American Airlines

Sat, Apr 25 - Fri, May 1

8:30 am - 11:25 am

PIT

SEA

29h 55m1 stop

9:23 pm - 6:01 pm

SEA

PIT

17h 38m2 stops

$212Multiple Airlines

Fri, Jan 9 - Sun, Jan 11

5:40 pm - 10:20 pm

PIT

SEA

7h 40m1 stop

11:55 am - 10:49 pm

SEA

PIT

7h 54m1 stop

$216American Airlines

Fri, Jan 16 - Tue, Jan 20

7:00 am - 9:32 am

PIT

SEA

5h 32mnonstop

11:10 am - 6:46 pm

SEA

PIT

4h 36mnonstop

$217Alaska Airlines

Mon, Jan 12 - Fri, Jan 16

1:50 pm - 10:05 pm

PIT

SEA

11h 15m1 stop

11:05 pm - 11:11 am

SEA

PIT

9h 06m1 stop

$218Delta

Thu, Apr 23 - Fri, May 1

1:48 pm - 10:07 pm

PIT

SEA

11h 19m1 stop

12:45 pm - 11:29 pm

SEA

PIT

7h 44m1 stop

$219American Airlines

Wed, Jan 7 - Mon, Jan 12

5:45 pm - 10:30 pm

PIT

SEA

7h 45m1 stop

11:20 am - 12:10 am

SEA

PIT

9h 50m2 stops

$224Southwest

Thu, Jan 8 - Wed, Jan 14

American Airlines flights from Pittsburgh to Seattle

Our best American Airlines deals on Pittsburgh to Seattle flight tickets

American Airlines

Jan 16

PIT5:40 pmPittsburgh

7h 40m

1 stop

SEA10:20 pmSeattle/Tacoma Intl

Jan 20

SEA11:55 amSeattle/Tacoma Intl

7h 54m

1 stop

PIT10:49 pmPittsburgh

$216

Find similar

American Airlines

Jan 7

PIT1:48 pmPittsburgh

11h 19m

1 stop

SEA10:07 pmSeattle/Tacoma Intl

Jan 12

SEA12:45 pmSeattle/Tacoma Intl

7h 44m

1 stop

PIT11:29 pmPittsburgh

$219

Find similar

American Airlines

Feb 27

PIT7:18 pmPittsburgh

8h 41m

1 stop

SEA12:59 amSeattle/Tacoma Intl

Mar 7

SEA7:21 amSeattle/Tacoma Intl

9h 24m

1 stop

PIT7:45 pmPittsburgh

$231

Find similar

Southwest flights from Pittsburgh to Seattle

Our best Southwest deals on Pittsburgh to Seattle flight tickets

Southwest

Jan 16

PIT5:40 amPittsburgh

8h 10m

1 stop

SEA10:50 amSeattle/Tacoma Intl

Jan 25

SEA6:35 amSeattle/Tacoma Intl

6h 10m

1 stop

PIT3:45 pmPittsburgh

$198

Find similar

Southwest

Jan 8

PIT5:45 pmPittsburgh

7h 45m

1 stop

SEA10:30 pmSeattle/Tacoma Intl

Jan 14

SEA11:20 amSeattle/Tacoma Intl

9h 50m

2 stops

PIT12:10 amPittsburgh

$224

Find similar

Southwest

Apr 15

PIT1:25 pmPittsburgh

12h 05m

2 stops

SEA10:30 pmSeattle/Tacoma Intl

Apr 15

SEA11:45 pmSeattle/Tacoma Intl

7h 15m

1 stop

PIT10:00 amPittsburgh

$253

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 4/22

5:35 pm-12:01 am

1 stop9h 26m

Seattle/Tacoma Intl

Fri 5/1

11:05 pm-11:11 am

1 stop9h 06m

$197

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 1/16

5:40 am-10:50 am

1 stop8h 10m

Seattle/Tacoma Intl

Sun 1/25

6:35 am-3:45 pm

1 stop6h 10m

$198

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 2/2

7:00 am-9:32 am

Nonstop5h 32m

Seattle/Tacoma Intl

Wed 2/4

11:10 am-6:46 pm

Nonstop4h 36m

$204

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 4/25

5:13 pm-11:05 pm

1 stop8h 52m

Seattle/Tacoma Intl

Fri 5/1

11:33 pm-11:57 am

1 stop9h 24m

$209

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 1/9

8:30 am-11:25 am

1 stop29h 55m

Seattle/Tacoma Intl

Sun 1/11

9:23 pm-6:01 pm

2 stops17h 38m

$212

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 1/16

5:40 pm-10:20 pm

1 stop7h 40m

Seattle/Tacoma Intl

Tue 1/20

11:55 am-10:49 pm

1 stop7h 54m

$216

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 1/12

7:00 am-9:32 am

Nonstop5h 32m

Seattle/Tacoma Intl

Fri 1/16

11:10 am-6:46 pm

Nonstop4h 36m

$217

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 4/23

1:50 pm-10:05 pm

1 stop11h 15m

Seattle/Tacoma Intl

Fri 5/1

11:05 pm-11:11 am

1 stop9h 06m

$218

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 1/7

1:48 pm-10:07 pm

1 stop11h 19m

Seattle/Tacoma Intl

Mon 1/12

12:45 pm-11:29 pm

1 stop7h 44m

$219

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 1/8

5:45 pm-10:30 pm

1 stop7h 45m

Seattle/Tacoma Intl

Wed 1/14

11:20 am-12:10 am

2 stops9h 50m

$224

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 cheapest month to fly to Seattle?

In general, January 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 $272. If you don’t want to visit Seattle in January, then you should wait until October to fly from Pittsburgh, when ticket prices are also cheap, with an average price of $295.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $444. 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 $552.

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

Flying to Seattle from Pittsburgh at noon is the least expensive time of day to depart. momondo users have found prices as low as $362 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $507. Departure times in the morning 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 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 $357 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 $333 on momondo.

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

There are 4 cabin classes available to choose from on Pittsburgh to Seattle/Tacoma Intl 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?

You could potentially save up to 4% on your flight if you consider stops on a Pittsburgh to Seattle flight.

How have Pittsburgh to Seattle flight prices changed over time?

As of December 2025, prices for Pittsburgh to Seattle flights are approximately 12% 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	$228
Fastest flight time	5h 22m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Pittsburgh in the past 72 hours is $228. The best round-trip flight deal from Pittsburgh to Seattle found on momondo in the last 72 hours is $316.

The fastest flight from Pittsburgh to Seattle takes 5h 22m

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

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 22m, 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 December 2025, 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 737-900 Passenger/BBJ3 (winglets), making up 34.69% of the total bookings. Other popular models include Boeing 737 MAX 9 with 15.31%, Boeing 737-800 Passenger/BBJ2 (winglets) with 10.20%, and Boeing 737 MAX 8 with 6.12%.
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 53% of the total bookings. Other popular airlines include Delta with 13%, Hawaiian Airlines with 10%, 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
Frontier	PriceFrom $99	Free Cancellation	Rating 5.8 3,081 reviews	Search Frontier flights
Southwest	PriceFrom $157	Free Cancellation	Rating 7.9 4,252 reviews	Search Southwest flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.2 11,041 reviews	Search American Airlines flights
Delta	PriceFrom $190	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
United Airlines	PriceFrom $232	Free Cancellation	Rating 7.4 9,093 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $235	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $255	Free Cancellation	Rating 8.0 11,483 reviews	Search Alaska Airlines flights

Alaska Airlines Flights From Pittsburgh to Seattle
Alaska Airlines flight deals from Pittsburgh to Seattle start from $255 round-trip. Over the 1 Alaska Airlines flight for this route in a normal week, average airfare is usually $416 round-trip - but some users have found much cheaper deals with momondo.
Hawaiian Airlines Flights From Pittsburgh to Seattle
Across 2,820 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from Pittsburgh to Seattle about 5 times each week, with ticket deals ranging from $235 to $421. Price data is based on momondo searches in the last 72 hours.

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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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Cheap flights from Pittsburgh to Seattle from $88

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 1/17. 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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American Airlines flights from Pittsburgh to Seattle

Our best American Airlines deals on Pittsburgh to Seattle flight tickets

Southwest flights from Pittsburgh to Seattle

Our best Southwest deals on Pittsburgh to Seattle flight tickets

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Use the filters below to find and compare flights from Pittsburgh to Seattle that are best for you.

See travel insights to Seattle from

How to get the cheapest flight ticket from Pittsburgh to 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?

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 to Seattle?

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

There are 4 cabin classes available to choose from on Pittsburgh to Seattle/Tacoma Intl 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?

You could potentially save up to 4% on your flight if you consider stops on a Pittsburgh to Seattle flight.

How have Pittsburgh to Seattle flight prices changed over time?

As of December 2025, prices for Pittsburgh to Seattle flights are approximately 12% 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?

American Airlines is the most popular carrier operating from Pittsburgh to Seattle/Tacoma Intl

What airlines fly to Seattle?

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

Minneapolis (MSP) was the most common stop: 48% 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 Denver (DEN) have the shortest average one-way travel time: 7h 46m.

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.

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

As of December 2025, there are 4 flights per week flying from Pittsburgh to Seattle. The most common day of the week flights depart is Thu, with 50% of flights taking off on this day.

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

How far is Pittsburgh to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Pittsburgh Airport to Seattle/Tacoma Intl Airport?

How many operators does momondo search 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?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Pittsburgh to Seattle?

What is the most popular airline 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

Hawaiian Airlines Flights From Pittsburgh to Seattle

Traveling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from Pittsburgh to Seattle?

Can I find flights from Pittsburgh to Seattle with flexible booking policies on momondo?

How can momondo help me find flights 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?

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