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Cheap flights from Seattle to Pennsylvania from $90

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Pennsylvania 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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0 bags

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Cheap round-trip flights

American Airlines Logo
10:54 pm - 11:52 amSEA-PIT
9h 58m1 stop
American Airlines Logo
3:12 pm - 8:46 pmPIT-SEA
8h 34m1 stop
$173American Airlines
Find Deal
qua, out 29 - qui, out 30
American Airlines Logo
12:34 am - 11:56 amSEA-PIT
8h 22m1 stop
American Airlines Logo
4:49 pm - 10:56 pmPIT-SEA
9h 07m1 stop
$179American Airlines
Find Deal
sex, out 17 - qui, out 23
Alaska Airlines Logo
2:40 pm - 10:59 pmSEA-JFK
5h 19mnonstop
Alaska Airlines Logo
7:00 am - 10:25 amJFK-SEA
6h 25mnonstop
$189Alaska Airlines
Find Deal
dom, nov 2 - ter, nov 18
Delta Logo
11:55 pm - 10:22 amSEA-PIT
7h 27m1 stop
Delta Logo
7:20 pm - 11:59 pmPIT-SEA
7h 39m1 stop
$197Delta
Find Deal
sex, nov 7 - seg, nov 10
United Airlines Logo
6:00 am - 2:23 pmSEA-EWR
5h 23mnonstop
United Airlines Logo
7:25 am - 10:27 amEWR-SEA
6h 02mnonstop
$197United Airlines
Find Deal
qui, out 2 - sáb, out 4
Alaska Airlines Logo
9:30 pm - 5:59 amSEA-EWR
5h 29mnonstop
Alaska Airlines Logo
5:57 pm - 9:05 pmEWR-SEA
6h 08mnonstop
$199Alaska Airlines
Find Deal
sáb, out 18 - ter, out 21
United Airlines Logo
6:00 am - 2:23 pmSEA-EWR
5h 23mnonstop
United Airlines Logo
3:32 pm - 6:31 pmEWR-SEA
5h 59mnonstop
$201United Airlines
Find Deal
qui, out 16 - qui, out 23
Delta Logo
11:10 pm - 9:46 amSEA-PIT
7h 36m1 stop
Delta Logo
5:35 pm - 10:14 pmPIT-SEA
7h 39m1 stop
$206Delta
Find Deal
sáb, nov 15 - qua, nov 26
Hawaiian Airlines Logo
9:30 pm - 5:59 amSEA-EWR
5h 29mnonstop
Hawaiian Airlines Logo
7:19 am - 10:22 amEWR-SEA
6h 03mnonstop
$208Hawaiian Airlines
Find Deal
sáb, out 18 - sex, out 24
Hawaiian Airlines Logo
2:35 pm - 10:59 pmSEA-JFK
5h 24mnonstop
Hawaiian Airlines Logo
6:55 pm - 10:12 pmJFK-SEA
6h 17mnonstop
$213Hawaiian Airlines
Find Deal
ter, out 14 - ter, out 21

Hawaiian Airlines flights from Seattle to Pennsylvania

Our best Hawaiian Airlines deals on Seattle to Pennsylvania flight tickets
Hawaiian Airlines
Oct 18
SEA9:30 pmSeattle/Tacoma Intl
5h 29m
EWR5:59 amNewark
Oct 24
EWR7:19 amNewark
6h 03m
SEA10:22 amSeattle/Tacoma Intl
$208
Find similar
Hawaiian Airlines
Oct 14
SEA2:35 pmSeattle/Tacoma Intl
5h 24m
JFK10:59 pmNew York John F Kennedy Intl
Oct 21
JFK6:55 pmNew York John F Kennedy Intl
6h 17m
SEA10:12 pmSeattle/Tacoma Intl
$213
Find similar
Hawaiian Airlines
Oct 18
SEA9:30 pmSeattle/Tacoma Intl
5h 29m
EWR5:59 amNewark
Oct 24
EWR7:19 amNewark
6h 03m
SEA10:22 amSeattle/Tacoma Intl
$214
Find similar

Alaska Airlines flights from Seattle to Pennsylvania

Our best Alaska Airlines deals on Seattle to Pennsylvania flight tickets
Alaska Airlines
Nov 2
SEA2:40 pmSeattle/Tacoma Intl
5h 19m
JFK10:59 pmNew York John F Kennedy Intl
Nov 18
JFK7:00 amNew York John F Kennedy Intl
6h 25m
SEA10:25 amSeattle/Tacoma Intl
$189
Find similar
Alaska Airlines
Oct 31
SEA2:40 pmSeattle/Tacoma Intl
5h 19m
JFK10:59 pmNew York John F Kennedy Intl
Nov 5
JFK6:49 pmNew York John F Kennedy Intl
6h 22m
SEA10:11 pmSeattle/Tacoma Intl
$199
Find similar
Alaska Airlines
Oct 31
SEA9:34 pmSeattle/Tacoma Intl
5h 25m
EWR5:59 amNewark
Nov 5
EWR7:30 amNewark
6h 10m
SEA10:40 amSeattle/Tacoma Intl
$204
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Pennsylvania that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated setembro 18, 2025.
Use the filters below to find and compare flights from Seattle to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

qua 10/29

10:54 pm-11:52 am

1 stop9h 58m

Pittsburgh

qui 10/30

3:12 pm-8:46 pm

1 stop8h 34m

$173

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

sex 10/17

12:34 am-11:56 am

1 stop8h 22m

Pittsburgh

qui 10/23

4:49 pm-10:56 pm

1 stop9h 07m

$179

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

dom 11/2

2:40 pm-10:59 pm

Nonstop5h 19m

New York John F Kennedy Intl

ter 11/18

7:00 am-10:25 am

Nonstop6h 25m

$189

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

sex 11/7

11:55 pm-10:22 am

1 stop7h 27m

Pittsburgh

seg 11/10

7:20 pm-11:59 pm

1 stop7h 39m

$197

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

qui 10/2

6:00 am-2:23 pm

Nonstop5h 23m

Newark

sáb 10/4

7:25 am-10:27 am

Nonstop6h 02m

$197

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

sáb 10/18

9:30 pm-5:59 am

Nonstop5h 29m

Newark

ter 10/21

5:57 pm-9:05 pm

Nonstop6h 08m

$199

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

qui 10/16

6:00 am-2:23 pm

Nonstop5h 23m

Newark

qui 10/23

3:32 pm-6:31 pm

Nonstop5h 59m

$201

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

sáb 11/15

11:10 pm-9:46 am

1 stop7h 36m

Pittsburgh

qua 11/26

5:35 pm-10:14 pm

1 stop7h 39m

$206

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

sáb 10/18

9:30 pm-5:59 am

Nonstop5h 29m

Newark

sex 10/24

7:19 am-10:22 am

Nonstop6h 03m

$208

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

ter 10/14

2:35 pm-10:59 pm

Nonstop5h 24m

New York John F Kennedy Intl

ter 10/21

6:55 pm-10:12 pm

Nonstop6h 17m

$213

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Pennsylvania from

How to get the cheapest flight ticket from Seattle to Pennsylvania

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 cheapest month to fly to Pennsylvania?

The month of March is, on average, the cheapest month to fly to Pennsylvania from Seattle, with most prices found around $387. If you don’t want to visit Pennsylvania in March, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of $402.

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

The cheapest day to depart on your flight to Pennsylvania is on a Wednesday when prices can be found for as low as $460. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $590. These prices are subject to change though, so be sure to set up a Price Alert for flights to Pennsylvania.

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

Our most recent data shows that the best time of day to fly to Pennsylvania is at noon. Flights from Seattle to Pennsylvania during this time can be as low as $344. In contrast, the most expensive time of day to depart to Pennsylvania is in the afternoon when prices are around $726.

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

Fly from Seattle/Tacoma Intl to Philadelphia for the best Seattle/Tacoma Intl - Pennsylvania flight prices

How far in advance should I book a flight to Pennsylvania?

You are more likely to see cheaper flights to Pennsylvania from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $450 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from Seattle for as low as $362 on momondo.

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

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

You could potentially save up to 3% on your flight if you consider stops on a Seattle to Pennsylvania flight.

Cheap Seattle to Pennsylvania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Pennsylvania

Best Price Found

$198

Fastest flight time

4h 35m

Direct flights

Every day

Airports in Pennsylvania

2 airports
The best one-way flight to Pennsylvania from Seattle in the past 72 hours is $198. The best round-trip flight deal from Seattle to Pennsylvania found on momondo in the last 72 hours is $315.
The fastest flight from Seattle to Pennsylvania takes 4h 35m
Direct flights go from Seattle to Pennsylvania every day.
There are 2 airports near Pennsylvania: Pittsburgh (PIT), Washington, D.C. Dulles Intl (IAD)
Search flight deals

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

    Prices for flights from Seattle/Tacoma Intl Airport to Pennsylvania are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Pennsylvania?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Pennsylvania?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Pennsylvania.

  • What documentation or ID do you need to fly to Pennsylvania?

    The necessary travel and health documents for your Pennsylvania trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Pennsylvania?

Best airlines flying from Seattle to Pennsylvania

Compare and see reviews for airlines that fly from Seattle to Pennsylvania with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $114Free CancellationRating
6.3
8,022 reviews
Search Spirit Airlines flights
FrontierPriceFrom $131Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
DeltaPriceFrom $152Free CancellationRating
7.9
7,961 reviews
Search Delta flights
SouthwestPriceFrom $178Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $194Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $222Free CancellationRating
7.8
2,729 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $223Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $248Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Pennsylvania from Seattle.

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

Yes. All flights to Pennsylvania from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Pennsylvania?

Once all potential Seattle to Pennsylvania flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Pennsylvania right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Pennsylvania now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Pennsylvania and let you know when they change.

An easier way to manage your Pennsylvania 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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