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Cheap flights from Washington to Pennsylvania from $108

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Pennsylvania departing on 1/26. 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

Enter your travel dates to find the best prices.
Delta Logo
12:00 pm - 10:00 pm
SEA
-
DCA
7h 00m1 stop
Delta Logo
4:44 pm - 7:43 pm
DCA
-
SEA
5h 59mnonstop
$209Delta
Thu, Jan 8 - Wed, Jan 14
Delta Logo
3:25 pm - 11:15 pm
SEA
-
IAD
4h 50mnonstop
Delta Logo
2:15 pm - 8:46 pm
IAD
-
SEA
9h 31m1 stop
$209Delta
Sat, Feb 14 - Wed, Feb 18
Alaska Airlines Logo
5:53 pm - 4:22 pm
SEA
-
EWR
19h 29m1 stop
Alaska Airlines Logo
6:08 pm - 9:28 pm
EWR
-
SEA
6h 20mnonstop
$212Alaska Airlines
Mon, Feb 2 - Tue, Feb 10
United Airlines Logo
8:40 am - 7:17 pm
SEA
-
EWR
7h 37m1 stop
United Airlines Logo
9:00 am - 4:01 pm
EWR
-
SEA
10h 01m1 stop
$213United Airlines
Wed, Jan 7 - Fri, Jan 16
United Airlines Logo
11:45 pm - 7:59 am
SEA
-
EWR
5h 14mnonstop
United Airlines Logo
11:34 am - 6:26 pm
EWR
-
SEA
9h 52m1 stop
$217United Airlines
Sun, Jan 11 - Sat, Jan 17
Alaska Airlines Logo
8:06 am - 8:00 pm
SEA
-
DCA
8h 54m1 stop
Alaska Airlines Logo
6:56 pm - 11:21 am
DCA
-
SEA
19h 25m1 stop
$218Alaska Airlines
Wed, Jan 21 - Mon, Jan 26
American Airlines Logo
6:00 am - 8:27 pm
PDX
-
EWR
11h 27m2 stops
American Airlines Logo
9:59 am - 7:51 pm
EWR
-
PDX
12h 52m2 stops
$267American Airlines
Wed, Jan 7 - Wed, Jan 14
American Airlines Logo
6:12 am - 2:17 pm
SEA
-
PHL
5h 05mnonstop
American Airlines Logo
12:28 pm - 9:50 pm
PHL
-
SEA
12h 22m1 stop
$271American Airlines
Sat, Jan 10 - Sat, Jan 17
Southwest Logo
12:40 pm - 10:45 pm
SEA
-
LGA
7h 05m1 stop
Southwest Logo
6:00 am - 1:15 pm
LGA
-
SEA
10h 15m1 stop
$274Southwest
Sat, Jan 17 - Wed, Jan 21
Southwest Logo
12:40 pm - 10:45 pm
SEA
-
LGA
7h 05m1 stop
Southwest Logo
7:20 am - 5:50 pm
LGA
-
SEA
13h 30m2 stops
$279Southwest
Sat, Jan 17 - Wed, Jan 21

Hawaiian Airlines flights from State of Washington to Pennsylvania

Our best Hawaiian Airlines deals on State of Washington to Pennsylvania flight tickets
Hawaiian Airlines
Jan 24
SEA7:00 amSeattle/Tacoma Intl
5h 23m
JFK3:23 pmNew York John F Kennedy Intl
Jan 31
JFK4:22 pmNew York John F Kennedy Intl
6h 28m
SEA7:50 pmSeattle/Tacoma Intl
$247
Find similar
Hawaiian Airlines
Jan 28
SEA2:40 pmSeattle/Tacoma Intl
5h 12m
JFK10:52 pmNew York John F Kennedy Intl
Feb 4
JFK5:17 pmNew York John F Kennedy Intl
8h 16m
1 stop
SEA10:33 pmSeattle/Tacoma Intl
$253
Find similar
Hawaiian Airlines
Jan 28
SEA5:59 pmSeattle/Tacoma Intl
10h 01m
1 stop
JFK7:00 amNew York John F Kennedy Intl
Feb 4
JFK5:17 pmNew York John F Kennedy Intl
8h 16m
1 stop
SEA10:33 pmSeattle/Tacoma Intl
$258
Find similar

Sun Country Air flights from State of Washington to Pennsylvania

Our best Sun Country Air deals on State of Washington to Pennsylvania flight tickets
Sun Country Air
May 21
SEA11:59 pmSeattle/Tacoma Intl
8h 05m
1 stop
PHL11:04 amPhiladelphia
May 25
PHL12:03 pmPhiladelphia
8h 12m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$370
Find similar
Sun Country Air
Dec 28
PDX6:44 pmPortland
11h 17m
1 stop
EWR9:01 amNewark
Dec 31
EWR11:54 amNewark
8h 08m
1 stop
PDX5:02 pmPortland
$406
Find similar
Sun Country Air
Dec 26
SEA11:59 pmSeattle/Tacoma Intl
7h 57m
1 stop
EWR10:56 amNewark
Dec 29
EWR11:54 amNewark
8h 18m
1 stop
SEA5:12 pmSeattle/Tacoma Intl
$412
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 December 16, 2025.
Use the filters below to find and compare flights from Washington to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Thu 1/8

12:00 pm-10:00 pm

1 stop7h 00m

Washington, D.C. Reagan-National

Wed 1/14

4:44 pm-7:43 pm

Nonstop5h 59m

$209

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Sat 2/14

3:25 pm-11:15 pm

Nonstop4h 50m

Washington, D.C. Dulles Intl

Wed 2/18

2:15 pm-8:46 pm

1 stop9h 31m

$209

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Mon 2/2

5:53 pm-4:22 pm

1 stop19h 29m

Newark

Tue 2/10

6:08 pm-9:28 pm

Nonstop6h 20m

$212

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 1/7

8:40 am-7:17 pm

1 stop7h 37m

Newark

Fri 1/16

9:00 am-4:01 pm

1 stop10h 01m

$213

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sun 1/11

11:45 pm-7:59 am

Nonstop5h 14m

Newark

Sat 1/17

11:34 am-6:26 pm

1 stop9h 52m

$217

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Wed 1/21

8:06 am-8:00 pm

1 stop8h 54m

Washington, D.C. Reagan-National

Mon 1/26

6:56 pm-11:21 am

1 stop19h 25m

$218

PortlandNewark

PDX - EWR

PDXEWR

Portland

Wed 1/7

6:00 am-8:27 pm

2 stops11h 27m

Newark

Wed 1/14

9:59 am-7:51 pm

2 stops12h 52m

$267

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Sat 1/10

6:12 am-2:17 pm

Nonstop5h 05m

Philadelphia

Sat 1/17

12:28 pm-9:50 pm

1 stop12h 22m

$271

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Sat 1/17

12:40 pm-10:45 pm

1 stop7h 05m

New York LaGuardia

Wed 1/21

6:00 am-1:15 pm

1 stop10h 15m

$274

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Sat 1/17

12:40 pm-10:45 pm

1 stop7h 05m

New York LaGuardia

Wed 1/21

7:20 am-5:50 pm

2 stops13h 30m

$279

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 State of Washington 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 State of Washington, with most prices found around $334. If you don’t want to visit Pennsylvania in October, then you should wait until January to fly from State of Washington, when ticket prices are also cheap, with an average price of $376.

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 $455. 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 $580. 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 State of Washington 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 Washington to Pennsylvania flight route?

Fly from Seattle/Tacoma Intl to Philadelphia for the best Washington - 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 State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $434 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from State of Washington for as low as $369 on momondo.

What cabin class options are available on Washington to Pennsylvania flights?

There are 4 cabin classes available to choose from on Washington 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 State of Washington to Pennsylvania flights?

You could potentially save up to 30% on your flight if you consider stops on a State of Washington to Pennsylvania flight.

Cheap State of Washington to Pennsylvania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Pennsylvania

Best Price Found

$233

Fastest flight time

4h 35m

Direct flights

Every day

Airports in Pennsylvania

152 airports
The best one-way flight to Pennsylvania from State of Washington in the past 72 hours is $233. The best round-trip flight deal from State of Washington to Pennsylvania found on momondo in the last 72 hours is $285.
The fastest flight from State of Washington to Pennsylvania takes 4h 35m
Direct flights go from State of Washington to Pennsylvania every day.
There are 152 airports in Pennsylvania. From State of Washington there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).
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  • When did momondo last update prices for flights from Washington to Pennsylvania?

    Prices for flights from Washington to Pennsylvania are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Pennsylvania?

  • How old do you have to be to fly from Washington to Pennsylvania?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Pennsylvania.

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

    The travel and health documents you'll need for your trip to Pennsylvania 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 Pennsylvania. 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 State of Washington to Pennsylvania?

Best airlines flying from State of Washington to Pennsylvania

Compare and see reviews for airlines that fly from State of Washington to Pennsylvania with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $138Free CancellationRating
6.3
8,188 reviews
Search Spirit Airlines flights
FrontierPriceFrom $140Free CancellationRating
5.8
3,082 reviews
Search Frontier flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,009 reviews
Search Delta flights
SouthwestPriceFrom $177Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
American AirlinesPriceFrom $192Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $221Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $222Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
Sun Country AirPriceFrom $233Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
Alaska AirlinesPriceFrom $234Free CancellationRating
8.0
11,465 reviews
Search Alaska Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Pennsylvania. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search for Washington to Pennsylvania flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Pennsylvania, momondo offers a useful price alert feature which will track prices for flights to Pennsylvania from Washington and alert you when they change.

An easier way to manage your Pennsylvania trip

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