Cheap flights from Pennsylvania to Washington from $133

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Washington departing on 5/12. 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.
Frontier Logo
1:59 pm - 9:27 am
DCA
-
SEA
22h 28m
1 stop
Frontier Logo
7:12 pm - 9:59 pm
SEA
-
DCA
23h 47m
1 stop
$216Frontier
ven., avr. 17 - mar., avr. 21
Frontier Logo
7:59 am - 3:05 pm
DCA
-
SEA
10h 06m
1 stop
Frontier Logo
7:12 pm - 9:58 pm
SEA
-
DCA
23h 46m
1 stop
$217Frontier
lun., avr. 27 - lun., mai 4
Delta Logo
10:39 am - 7:05 pm
EWR
-
PDX
11h 26m
1 stop
Delta Logo
11:51 am - 11:59 pm
PDX
-
EWR
9h 08m
1 stop
$237Delta
mer., avr. 22 - mar., avr. 28
Delta Logo
7:15 am - 12:17 pm
EWR
-
PDX
8h 02m
1 stop
Delta Logo
12:30 am - 10:29 am
PDX
-
EWR
6h 59m
1 stop
$240Delta
mar., avr. 28 - sam., mai 2
United Airlines Logo
8:30 pm - 11:46 pm
EWR
-
SEA
6h 16mnonstop
United Airlines Logo
11:00 pm - 7:18 am
SEA
-
EWR
5h 18mnonstop
$240United Airlines
mer., avr. 22 - lun., juin 1
United Airlines Logo
7:50 am - 11:02 am
EWR
-
SEA
6h 12mnonstop
United Airlines Logo
10:55 pm - 7:16 am
SEA
-
EWR
5h 21mnonstop
$243United Airlines
jeu., avr. 23 - dim., avr. 26
Alaska Airlines Logo
7:29 am - 10:36 am
EWR
-
SEA
6h 07mnonstop
Alaska Airlines Logo
10:09 pm - 6:39 am
SEA
-
EWR
5h 30mnonstop
$251Alaska Airlines
jeu., avr. 23 - mer., avr. 29
American Airlines Logo
6:08 pm - 9:23 pm
PHL
-
SEA
6h 15mnonstop
American Airlines Logo
12:34 pm - 8:55 pm
SEA
-
PHL
5h 21mnonstop
$284American Airlines
mer., mai 6 - ven., mai 15
American Airlines Logo
11:00 am - 4:59 pm
JFK
-
PDX
8h 59m
1 stop
American Airlines Logo
12:59 am - 1:28 pm
PDX
-
JFK
9h 29m
1 stop
$285American Airlines
mer., avr. 22 - lun., avr. 27
Alaska Airlines Logo
2:30 pm - 9:03 pm
JFK
-
PDX
9h 33m
1 stop
Alaska Airlines Logo
8:45 am - 7:27 pm
PDX
-
JFK
7h 42m
1 stop
$327Alaska Airlines
sam., avr. 18 - sam., avr. 25

Alaska Airlines flights from Pennsylvania to State of Washington

Our best Alaska Airlines deals on Pennsylvania to State of Washington flight tickets
Alaska Airlines
Apr 17
EWR6:00 amNewark
7h 32m
1 stop
SEA10:32 amSeattle/Tacoma Intl
Apr 20
SEA2:50 pmSeattle/Tacoma Intl
5h 21m
EWR11:11 pmNewark
$265
Alaska Airlines
Apr 25
EWR7:29 amNewark
6h 07m
SEA10:36 amSeattle/Tacoma Intl
May 2
SEA2:52 pmSeattle/Tacoma Intl
5h 37m
EWR11:29 pmNewark
$269
Alaska Airlines
Apr 25
EWR3:30 pmNewark
6h 10m
SEA6:40 pmSeattle/Tacoma Intl
May 2
SEA2:52 pmSeattle/Tacoma Intl
5h 37m
EWR11:29 pmNewark
$270

JetBlue flights from Pennsylvania to State of Washington

Our best JetBlue deals on Pennsylvania to State of Washington flight tickets
JetBlue
Jun 2
JFK5:29 pmNew York John F Kennedy Intl
6h 27m
SEA8:56 pmSeattle/Tacoma Intl
Jun 2
SEA11:52 pmSeattle/Tacoma Intl
5h 21m
JFK8:13 amNew York John F Kennedy Intl
$284
JetBlue
Jun 3
JFK5:29 pmNew York John F Kennedy Intl
6h 27m
SEA8:56 pmSeattle/Tacoma Intl
Jun 10
SEA11:52 pmSeattle/Tacoma Intl
5h 21m
JFK8:13 amNew York John F Kennedy Intl
$292
JetBlue
Jun 5
JFK5:29 pmNew York John F Kennedy Intl
6h 27m
SEA8:56 pmSeattle/Tacoma Intl
Jun 8
SEA11:52 pmSeattle/Tacoma Intl
5h 21m
JFK8:13 amNew York John F Kennedy Intl
$309

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to State of Washington 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 avril 1, 2026.
Use the filters below to find and compare flights from Pennsylvania to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

ven. 4/17

1:59 pm-9:27 am

1 stop22h 28m

Seattle/Tacoma Intl

mar. 4/21

7:12 pm-9:59 pm

1 stop23h 47m

$216

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

lun. 4/27

7:59 am-3:05 pm

1 stop10h 06m

Seattle/Tacoma Intl

lun. 5/4

7:12 pm-9:58 pm

1 stop23h 46m

$217

NewarkPortland

EWR - PDX

EWRPDX

Newark

mer. 4/22

10:39 am-7:05 pm

1 stop11h 26m

Portland

mar. 4/28

11:51 am-11:59 pm

1 stop9h 08m

$237

NewarkPortland

EWR - PDX

EWRPDX

Newark

mar. 4/28

7:15 am-12:17 pm

1 stop8h 02m

Portland

sam. 5/2

12:30 am-10:29 am

1 stop6h 59m

$240

NewarkSeattle

EWR - SEA

EWRSEA

Newark

mer. 4/22

8:30 pm-11:46 pm

Nonstop6h 16m

Seattle/Tacoma Intl

lun. 6/1

11:00 pm-7:18 am

Nonstop5h 18m

$240
Quickest round-trip

NewarkSeattle

EWR - SEA

EWRSEA

Newark

jeu. 4/23

7:50 am-11:02 am

Nonstop6h 12m

Seattle/Tacoma Intl

dim. 4/26

10:55 pm-7:16 am

Nonstop5h 21m

$243

NewarkSeattle

EWR - SEA

EWRSEA

Newark

jeu. 4/23

7:29 am-10:36 am

Nonstop6h 07m

Seattle/Tacoma Intl

mer. 4/29

10:09 pm-6:39 am

Nonstop5h 30m

$251

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

mer. 5/6

6:08 pm-9:23 pm

Nonstop6h 15m

Seattle/Tacoma Intl

ven. 5/15

12:34 pm-8:55 pm

Nonstop5h 21m

$284

New YorkPortland

JFK - PDX

JFKPDX

New York John F Kennedy Intl

mer. 4/22

11:00 am-4:59 pm

1 stop8h 59m

Portland

lun. 4/27

12:59 am-1:28 pm

1 stop9h 29m

$285

New YorkPortland

JFK - PDX

JFKPDX

New York John F Kennedy Intl

sam. 4/18

2:30 pm-9:03 pm

1 stop9h 33m

Portland

sam. 4/25

8:45 am-7:27 pm

1 stop7h 42m

$327

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 Washington from

How to get the cheapest flight ticket from Pennsylvania to State of Washington

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 State of Washington?

The month of January is, on average, the cheapest month to fly to State of Washington from Pennsylvania, with most prices found around $318. If you aren’t able to travel to State of Washington during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $327.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Pennsylvania to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $442. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to State of Washington for around $562.

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

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $455. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $487 on average. Flights to State of Washington from Pennsylvania in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Pennsylvania to Washington flight route?

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

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $395 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Pennsylvania for as low as $357 on momondo.

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

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

You could potentially save up to 7% on your flight if you consider stops on a Pennsylvania to State of Washington flight.

Cheap Pennsylvania to State of Washington flight deals and tips

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

Best Price Found

$206

Fastest flight time

5h 13m

Direct flights

Every day

Airports in State of Washington

96 airports
The best one-way flight to State of Washington from Pennsylvania in the past 72 hours is $206. The best round-trip flight deal from Pennsylvania to State of Washington found on momondo in the last 72 hours is $352.
The fastest flight from Pennsylvania to State of Washington takes 5h 13m
Direct flights go from Pennsylvania to State of Washington every day.
There are 96 airports in State of Washington. From Pennsylvania there are direct flights to Portland (PDX), Seattle/Tacoma Intl (SEA).

Frequently asked questions about flying from Pennsylvania to Washington

  • When did momondo last update prices for flights from Pennsylvania to Washington?

    Prices for flights from Pennsylvania to Washington refresh daily.

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

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

    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 Pennsylvania to Washington.

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

    The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Pennsylvania to State of Washington?

Best airlines flying from Pennsylvania to State of Washington

Compare and see reviews for airlines that fly from Pennsylvania to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $99Free CancellationRating
5.7
3,006 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $115Free CancellationRating
6.3
8,571 reviews
Search Spirit Airlines flights
DeltaPriceFrom $123Free CancellationRating
7.9
8,367 reviews
Search Delta flights
SouthwestPriceFrom $166Free CancellationRating
8.0
4,334 reviews
Search Southwest flights
Hawaiian AirlinesPriceFrom $176Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $178Free CancellationRating
7.1
11,545 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $180Free CancellationRating
7.9
12,146 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $222Free CancellationRating
7.4
9,529 reviews
Search United Airlines flights

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Washington from Pennsylvania with this policy.

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

momondo helps you find the best flight between Pennsylvania and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Pennsylvania to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
ven. 5/1
ven. 5/8

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