Cheap flights from Pennsylvania to Washington 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 Pennsylvania to Washington 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
5:37 am - 11:03 amPIT-SEA
8h 26m1 stop
American Airlines Logo
12:03 pm - 10:53 pmSEA-PIT
7h 50m1 stop
$179American Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
American Airlines Logo
4:49 pm - 10:56 pmPIT-SEA
9h 07m1 stop
American Airlines Logo
10:39 am - 11:19 pmSEA-PIT
9h 40m1 stop
$184American Airlines
Find Deal
Sat, Oct 11 - Tue, Oct 21
Alaska Airlines Logo
7:20 am - 10:29 amJFK-SEA
6h 09mnonstop
Alaska Airlines Logo
2:40 pm - 10:59 pmSEA-JFK
5h 19mnonstop
$197Alaska Airlines
Find Deal
Wed, Oct 22 - Tue, Oct 28
Delta Logo
5:30 pm - 11:16 pmPIT-SEA
8h 46m1 stop
Delta Logo
6:00 am - 5:39 pmSEA-PIT
8h 39m1 stop
$197Delta
Find Deal
Sat, Feb 14 - Sat, Feb 21
Hawaiian Airlines Logo
5:30 pm - 8:46 pmEWR-SEA
6h 16mnonstop
Hawaiian Airlines Logo
9:34 pm - 5:59 amSEA-EWR
5h 25mnonstop
$197Hawaiian Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
Alaska Airlines Logo
7:00 am - 10:25 amJFK-SEA
6h 25mnonstop
Alaska Airlines Logo
11:34 pm - 7:53 amSEA-JFK
5h 19mnonstop
$201Alaska Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
Hawaiian Airlines Logo
5:30 pm - 8:46 pmEWR-SEA
6h 16mnonstop
Hawaiian Airlines Logo
7:00 am - 3:25 pmSEA-EWR
5h 25mnonstop
$201Hawaiian Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
United Airlines Logo
7:08 pm - 10:17 pmEWR-SEA
6h 09mnonstop
United Airlines Logo
6:00 am - 2:23 pmSEA-EWR
5h 23mnonstop
$202United Airlines
Find Deal
Tue, Sep 30 - Fri, Oct 3
United Airlines Logo
7:08 pm - 10:17 pmEWR-SEA
6h 09mnonstop
United Airlines Logo
8:30 am - 8:00 pmSEA-EWR
8h 30m1 stop
$203United Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
Delta Logo
7:00 am - 10:18 amJFK-SEA
6h 18mnonstop
Delta Logo
3:46 pm - 11:58 pmSEA-JFK
5h 12mnonstop
$217Delta
Find Deal
Thu, Nov 6 - Mon, Nov 10

JetBlue flights from Pennsylvania to State of Washington

Our best JetBlue deals on Pennsylvania to State of Washington flight tickets
JetBlue
Oct 24
JFK7:00 pmNew York John F Kennedy Intl
6h 36m
SEA10:36 pmSeattle/Tacoma Intl
Oct 31
SEA9:59 pmSeattle/Tacoma Intl
5h 21m
JFK6:20 amNew York John F Kennedy Intl
JetBlue
Oct 17
JFK7:00 pmNew York John F Kennedy Intl
6h 36m
SEA10:36 pmSeattle/Tacoma Intl
Oct 19
SEA11:40 pmSeattle/Tacoma Intl
5h 20m
JFK8:00 amNew York John F Kennedy Intl
JetBlue
Oct 2
JFK7:00 pmNew York John F Kennedy Intl
6h 24m
SEA10:24 pmSeattle/Tacoma Intl
Oct 11
SEA1:10 pmSeattle/Tacoma Intl
16h 20m
1 stop
JFK8:30 amNew York John F Kennedy Intl

Hawaiian Airlines flights from Pennsylvania to State of Washington

Our best Hawaiian Airlines deals on Pennsylvania to State of Washington flight tickets
Hawaiian Airlines
Nov 6
EWR5:30 pmNewark
6h 16m
SEA8:46 pmSeattle/Tacoma Intl
Nov 9
SEA9:34 pmSeattle/Tacoma Intl
5h 25m
EWR5:59 amNewark
Hawaiian Airlines
Oct 28
EWR5:30 pmNewark
6h 16m
SEA8:46 pmSeattle/Tacoma Intl
Nov 4
SEA7:00 amSeattle/Tacoma Intl
5h 25m
EWR3:25 pmNewark
Hawaiian Airlines
Oct 23
JFK7:20 amNew York John F Kennedy Intl
6h 09m
SEA10:29 amSeattle/Tacoma Intl
Oct 26
SEA11:34 pmSeattle/Tacoma Intl
5h 19m
JFK7:53 amNew York John F Kennedy Intl

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 September 15, 2025.
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

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 10/15

5:37 am-11:03 am

1 stop8h 26m

Seattle/Tacoma Intl

Wed 10/22

12:03 pm-10:53 pm

1 stop7h 50m

$179

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 10/11

4:49 pm-10:56 pm

1 stop9h 07m

Seattle/Tacoma Intl

Tue 10/21

10:39 am-11:19 pm

1 stop9h 40m

$184

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Wed 10/22

7:20 am-10:29 am

Nonstop6h 09m

Seattle/Tacoma Intl

Tue 10/28

2:40 pm-10:59 pm

Nonstop5h 19m

$197

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 2/14

5:30 pm-11:16 pm

1 stop8h 46m

Seattle/Tacoma Intl

Sat 2/21

6:00 am-5:39 pm

1 stop8h 39m

$197

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 11/6

5:30 pm-8:46 pm

Nonstop6h 16m

Seattle/Tacoma Intl

Sun 11/9

9:34 pm-5:59 am

Nonstop5h 25m

$197

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 10/28

7:00 am-10:25 am

Nonstop6h 25m

Seattle/Tacoma Intl

Tue 11/4

11:34 pm-7:53 am

Nonstop5h 19m

$201

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 10/28

5:30 pm-8:46 pm

Nonstop6h 16m

Seattle/Tacoma Intl

Tue 11/4

7:00 am-3:25 pm

Nonstop5h 25m

$201

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 9/30

7:08 pm-10:17 pm

Nonstop6h 09m

Seattle/Tacoma Intl

Fri 10/3

6:00 am-2:23 pm

Nonstop5h 23m

$202

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 10/1

7:08 pm-10:17 pm

Nonstop6h 09m

Seattle/Tacoma Intl

Sat 10/4

8:30 am-8:00 pm

1 stop8h 30m

$203

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Thu 11/6

7:00 am-10:18 am

Nonstop6h 18m

Seattle/Tacoma Intl

Mon 11/10

3:46 pm-11:58 pm

Nonstop5h 12m

$217

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 March is, on average, the cheapest month to fly to State of Washington from Pennsylvania, with most prices found around $367. If you aren’t able to travel to State of Washington during the month of March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $372.

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 $479. 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 $590.

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 at noon when flights can be purchased for as low as $416. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $538 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 $427 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 $376 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 30% 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

$158

Fastest flight time

5h 12m

Direct flights

Every day

Airports in State of Washington

2 airports
The best one-way flight to State of Washington from Pennsylvania in the past 72 hours is $158. The best round-trip flight deal from Pennsylvania to State of Washington found on momondo in the last 72 hours is $325.
The fastest flight from Pennsylvania to State of Washington takes 5h 12m
Direct flights go from Pennsylvania to State of Washington every day.
There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)
  • 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
5.8
3,172 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $127Free CancellationRating
6.3
8,015 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $188Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $194Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $196Free CancellationRating
7.9
7,954 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $235Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Sun Country AirPriceFrom $238Free CancellationRating
6.9
330 reviews
Search Sun Country Air flights
Alaska AirlinesPriceFrom $253Free CancellationRating
8.0
10,000 reviews
Search Alaska 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
Wed 10/15
Wed 10/22

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