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 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
10:53 am - 6:28 pm
SEA
-
PIT
4h 35mnonstop
Alaska Airlines Logo
7:24 pm - 9:46 pm
PIT
-
SEA
5h 22mnonstop
$177Alaska Airlines
Wed, Apr 1 - Sat, Apr 4
American Airlines Logo
12:07 am - 11:45 am
SEA
-
PIT
8h 38m
1 stop
American Airlines Logo
7:09 pm - 12:24 am
PIT
-
SEA
8h 15m
1 stop
$179American Airlines
Thu, Feb 26 - Mon, Mar 2
Delta Logo
5:35 am - 4:32 pm
SEA
-
PIT
7h 57m
1 stop
Delta Logo
5:35 pm - 10:05 pm
PIT
-
SEA
7h 30m
1 stop
$197Delta
Sun, May 3 - Fri, May 8
American Airlines Logo
12:07 am - 11:45 am
SEA
-
PIT
8h 38m
1 stop
American Airlines Logo
6:33 pm - 11:04 pm
PIT
-
SEA
7h 31m
1 stop
$198American Airlines
Tue, Mar 31 - Sat, Apr 4
Alaska Airlines Logo
7:35 am - 4:01 pm
SEA
-
EWR
5h 26mnonstop
Alaska Airlines Logo
6:05 pm - 9:30 pm
EWR
-
SEA
6h 25mnonstop
$214Alaska Airlines
Wed, Jul 15 - Wed, Jul 15
United Airlines Logo
5:20 pm - 7:15 am
SEA
-
EWR
10h 55m
1 stop
United Airlines Logo
7:29 pm - 10:53 pm
EWR
-
SEA
6h 24mnonstop
$223United Airlines
Sat, Mar 7 - Sat, Mar 14
Hawaiian Airlines Logo
9:27 am - 5:20 pm
SEA
-
IAD
4h 53mnonstop
Hawaiian Airlines Logo
7:05 am - 10:05 am
IAD
-
SEA
6h 00mnonstop
$224Hawaiian Airlines
Tue, Mar 3 - Wed, Mar 11
Hawaiian Airlines Logo
2:44 pm - 10:59 pm
SEA
-
JFK
5h 15mnonstop
Hawaiian Airlines Logo
6:36 pm - 10:12 pm
JFK
-
SEA
6h 36mnonstop
$225Hawaiian Airlines
Sat, Feb 28 - Sat, Mar 7
Delta Logo
9:55 pm - 6:09 am
SEA
-
JFK
5h 14mnonstop
Delta Logo
6:59 pm - 10:20 pm
JFK
-
SEA
6h 21mnonstop
$237Delta
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
7:10 pm - 9:26 am
SEA
-
PIT
11h 16m
2 stops
United Airlines Logo
2:05 pm - 7:03 pm
PIT
-
SEA
7h 58m
1 stop
$242United Airlines
Fri, Mar 6 - Mon, Mar 9

Hawaiian Airlines flights from Seattle to Pennsylvania

Our best Hawaiian Airlines deals on Seattle to Pennsylvania flight tickets
Hawaiian Airlines
Mar 3
SEA9:27 amSeattle/Tacoma Intl
4h 53m
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 11
IAD7:05 amWashington, D.C. Dulles Intl
6h 00m
SEA10:05 amSeattle/Tacoma Intl
$224
Hawaiian Airlines
Feb 28
SEA2:44 pmSeattle/Tacoma Intl
5h 15m
JFK10:59 pmNew York John F Kennedy Intl
Mar 7
JFK6:36 pmNew York John F Kennedy Intl
6h 36m
SEA10:12 pmSeattle/Tacoma Intl
$225
Hawaiian Airlines
Feb 28
SEA2:44 pmSeattle/Tacoma Intl
5h 15m
JFK10:59 pmNew York John F Kennedy Intl
Mar 7
JFK5:00 pmNew York John F Kennedy Intl
8h 18m
1 stop
SEA10:18 pmSeattle/Tacoma Intl
$230

Delta flights from Seattle to Pennsylvania

Our best Delta deals on Seattle to Pennsylvania flight tickets
Delta
May 3
SEA5:35 amSeattle/Tacoma Intl
7h 57m
1 stop
PIT4:32 pmPittsburgh
May 8
PIT5:35 pmPittsburgh
7h 30m
1 stop
SEA10:05 pmSeattle/Tacoma Intl
$197
Delta
Mar 3
SEA7:10 amSeattle/Tacoma Intl
5h 19m
JFK3:29 pmNew York John F Kennedy Intl
Mar 7
JFK7:41 amNew York John F Kennedy Intl
6h 24m
SEA11:05 amSeattle/Tacoma Intl
$237
Delta
Feb 15
SEA10:15 pmSeattle/Tacoma Intl
7h 30m
1 stop
EWR8:45 amNewark
Feb 19
EWR7:00 amNewark
10h 44m
1 stop
SEA2:44 pmSeattle/Tacoma Intl
$277

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 February 2, 2026.
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

Wed 4/1

10:53 am-6:28 pm

Nonstop4h 35m

Pittsburgh

Sat 4/4

7:24 pm-9:46 pm

Nonstop5h 22m

$177

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Thu 2/26

12:07 am-11:45 am

1 stop8h 38m

Pittsburgh

Mon 3/2

7:09 pm-12:24 am

1 stop8h 15m

$179

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Sun 5/3

5:35 am-4:32 pm

1 stop7h 57m

Pittsburgh

Fri 5/8

5:35 pm-10:05 pm

1 stop7h 30m

$197

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Tue 3/31

12:07 am-11:45 am

1 stop8h 38m

Pittsburgh

Sat 4/4

6:33 pm-11:04 pm

1 stop7h 31m

$198

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 7/15

7:35 am-4:01 pm

Nonstop5h 26m

Newark

Wed 7/15

6:05 pm-9:30 pm

Nonstop6h 25m

$214

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 3/7

5:20 pm-7:15 am

1 stop10h 55m

Newark

Sat 3/14

7:29 pm-10:53 pm

Nonstop6h 24m

$223

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Tue 3/3

9:27 am-5:20 pm

Nonstop4h 53m

Washington, D.C. Dulles Intl

Wed 3/11

7:05 am-10:05 am

Nonstop6h 00m

$224

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Sat 2/28

2:44 pm-10:59 pm

Nonstop5h 15m

New York John F Kennedy Intl

Sat 3/7

6:36 pm-10:12 pm

Nonstop6h 36m

$225

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Tue 3/3

9:55 pm-6:09 am

Nonstop5h 14m

New York John F Kennedy Intl

Tue 3/10

6:59 pm-10:20 pm

Nonstop6h 21m

$237

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Fri 3/6

7:10 pm-9:26 am

2 stops11h 16m

Pittsburgh

Mon 3/9

2:05 pm-7:03 pm

1 stop7h 58m

$242

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 October is, on average, the cheapest month to fly to Pennsylvania from Seattle, with most prices found around $337. If you don’t want to visit Pennsylvania in October, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of $368.

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 $452. 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 $572. 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 in the evening. Flights from Seattle to Pennsylvania during this time can be as low as $440. 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 Pittsburgh 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 $424 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 $368 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 23% 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

$188

Fastest flight time

4h 33m

Direct flights

Every day

Airports in Pennsylvania

152 airports
The best one-way flight to Pennsylvania from Seattle in the past 72 hours is $188. The best round-trip flight deal from Seattle to Pennsylvania found on momondo in the last 72 hours is $197.
The fastest flight from Seattle to Pennsylvania takes 4h 33m
Direct flights go from Seattle to Pennsylvania every day.
There are 152 airports in Pennsylvania. From Seattle there are direct flights to Washington, D.C. Reagan-National (DCA), Pittsburgh (PIT), Washington, D.C. Dulles Intl (IAD).
  • 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 $72Free CancellationRating
6.3
8,395 reviews
Search Spirit Airlines flights
DeltaPriceFrom $123Free CancellationRating
7.9
8,131 reviews
Search Delta flights
FrontierPriceFrom $131Free CancellationRating
5.7
3,050 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $168Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,271 reviews
Search Southwest flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
United AirlinesPriceFrom $193Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $197Free CancellationRating
8.0
11,829 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.

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1 adult
Wed 3/4
Wed 3/11

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