What airlines fly to State of Washington?

American Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to State of Washington from Pennsylvania according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 7 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Pennsylvania to Washington?

United Airlines, Alaska Airlines, and Delta are the most popular carriers operating from Pennsylvania to Washington

How long is the flight from Pennsylvania to State of Washington?

If you’re flying from a popular airport in Pennsylvania, such as Pittsburgh or Philadelphia, and flying into State of Washington, then you can expect flight times to average 5h 13m and 5h 50m, respectively.

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?

As of May 2026, there are 10 operators available to choose from 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.

$139 Cheap Flights from Pennsylvania to Washington in 2026

Q: How many flights depart from Pennsylvania to State of Washington on average per week?

546 flights are operational weekly from Pennsylvania to State of Washington as of May 2026. The most popular departure day for this route is Fri, with 18% of flights per week taking off on this day.

Q: How many flights depart from Pennsylvania to State of Washington on average per day?

As of May 2026, there are 78 flights per day flying from Pennsylvania to State of Washington. The most common time of day flights depart is 6:00PM, with 54% of flights taking off in the evening.

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:30 am - 7:04 pm

JFK

SEA

10h 34m

1 stop

8:45 am - 7:28 pm

SEA

JFK

7h 43m

1 stop

$296Alaska Airlines

Sat, May 30 - Sat, Jun 6

5:29 pm - 8:56 pm

JFK

SEA

6h 27mnonstop

10:20 pm - 6:53 am

SEA

JFK

5h 33mnonstop

$297JetBlue

Sat, Jun 6 - Fri, Jun 12

6:10 am - 2:57 pm

IAD

PDX

11h 47m

1 stop

12:40 am - 11:08 am

PDX

IAD

7h 28m

1 stop

$297American Airlines

Wed, Jun 3 - Mon, Jun 8

5:29 pm - 12:16 am

LGA

SEA

9h 47m

1 stop

11:58 pm - 10:10 am

SEA

LGA

7h 12m

1 stop

$297American Airlines

Tue, Jun 2 - Tue, Jun 9

6:30 am - 9:25 am

EWR

PDX

5h 55mnonstop

6:50 pm - 5:40 am

PDX

EWR

7h 50m

1 stop

$298United Airlines

Tue, Jul 14 - Mon, Jul 20

7:00 am - 9:54 am

EWR

PDX

5h 54mnonstop

11:15 pm - 9:13 am

PDX

EWR

6h 58m

1 stop

$299United Airlines

Fri, Sep 11 - Mon, Sep 14

7:00 am - 9:44 am

IAD

SEA

5h 44mnonstop

4:20 pm - 12:25 am

SEA

IAD

5h 05mnonstop

$300Delta

Fri, Jun 5 - Thu, Jun 11

3:55 pm - 12:10 am

LGA

SEA

11h 15m

1 stop

6:45 am - 11:10 pm

SEA

LGA

13h 25m

1 stop

$302Southwest

Wed, Jun 3 - Sat, Jun 6

4:40 pm - 7:46 pm

DCA

SEA

6h 06mnonstop

7:23 am - 3:40 pm

SEA

DCA

5h 17mnonstop

$305Delta

Thu, Sep 17 - Sun, Sep 20

3:55 pm - 12:10 am

LGA

SEA

11h 15m

1 stop

9:30 am - 11:20 pm

SEA

LGA

10h 50m

1 stop

$322Southwest

Wed, Jun 3 - Tue, Jun 9

Southwest flights from Pennsylvania to State of Washington

Our best Southwest deals on Pennsylvania to State of Washington flight tickets

Southwest

Jun 3

LGA3:55 pmNew York LaGuardia

11h 15m

1 stop

SEA12:10 amSeattle/Tacoma Intl

Jun 6

SEA6:45 amSeattle/Tacoma Intl

13h 25m

1 stop

LGA11:10 pmNew York LaGuardia

$302

Southwest

Aug 5

DCA6:40 pmWashington, D.C. Reagan-National

7h 55m

1 stop

SEA11:35 pmSeattle/Tacoma Intl

Aug 12

SEA11:05 pmSeattle/Tacoma Intl

6h 25m

1 stop

DCA8:30 amWashington, D.C. Reagan-National

$315

Southwest

Jul 4

DCA6:55 amWashington, D.C. Reagan-National

7h 35m

1 stop

SEA11:30 amSeattle/Tacoma Intl

Aug 12

SEA5:20 amSeattle/Tacoma Intl

10h 05m

2 stops

DCA6:25 pmWashington, D.C. Reagan-National

$320

Alaska Airlines flights from Pennsylvania to State of Washington

Our best Alaska Airlines deals on Pennsylvania to State of Washington flight tickets

Alaska Airlines

Aug 29

IAD5:44 pmWashington, D.C. Dulles Intl

5h 50m

SEA8:34 pmSeattle/Tacoma Intl

Sep 5

SEA9:32 pmSeattle/Tacoma Intl

5h 08m

IAD5:40 amWashington, D.C. Dulles Intl

$295

Alaska Airlines

May 30

JFK11:30 amNew York John F Kennedy Intl

10h 34m

1 stop

SEA7:04 pmSeattle/Tacoma Intl

Jun 6

SEA8:45 amSeattle/Tacoma Intl

7h 43m

1 stop

JFK7:28 pmNew York John F Kennedy Intl

$296

Alaska Airlines

Jun 23

EWR6:30 amNewark

6h 03m

PDX9:33 amPortland

Jul 3

PDX9:31 pmPortland

5h 28m

EWR5:59 amNewark

$297

momondo Fare Finder

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

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sat 5/30

11:30 am-7:04 pm

1 stop10h 34m

Seattle/Tacoma Intl

Sat 6/6

8:45 am-7:28 pm

1 stop7h 43m

$296

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sat 6/6

5:29 pm-8:56 pm

Nonstop6h 27m

Seattle/Tacoma Intl

Fri 6/12

10:20 pm-6:53 am

Nonstop5h 33m

$297

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 6/3

6:10 am-2:57 pm

1 stop11h 47m

Portland

Mon 6/8

12:40 am-11:08 am

1 stop7h 28m

$297

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 6/2

5:29 pm-12:16 am

1 stop9h 47m

Seattle/Tacoma Intl

Tue 6/9

11:58 pm-10:10 am

1 stop7h 12m

$297

NewarkPortland

EWR - PDX

EWRPDX

Newark

Tue 7/14

6:30 am-9:25 am

Nonstop5h 55m

Portland

Mon 7/20

6:50 pm-5:40 am

1 stop7h 50m

$298

NewarkPortland

EWR - PDX

EWRPDX

Newark

Fri 9/11

7:00 am-9:54 am

Nonstop5h 54m

Portland

Mon 9/14

11:15 pm-9:13 am

1 stop6h 58m

$299

Quickest round-trip

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Fri 6/5

7:00 am-9:44 am

Nonstop5h 44m

Seattle/Tacoma Intl

Thu 6/11

4:20 pm-12:25 am

Nonstop5h 05m

$300

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 6/3

3:55 pm-12:10 am

1 stop11h 15m

Seattle/Tacoma Intl

Sat 6/6

6:45 am-11:10 pm

1 stop13h 25m

$302

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Thu 9/17

4:40 pm-7:46 pm

Nonstop6h 06m

Seattle/Tacoma Intl

Sun 9/20

7:23 am-3:40 pm

Nonstop5h 17m

$305

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 6/3

3:55 pm-12:10 am

1 stop11h 15m

Seattle/Tacoma Intl

Tue 6/9

9:30 am-11:20 pm

1 stop10h 50m

$322

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to State of Washington?

The month of November is, on average, the cheapest month to fly to State of Washington from Pennsylvania, with most prices found around $98. If you aren’t able to travel to State of Washington during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $114.

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 $431. 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 $553.

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 $448. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $471 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 Philadelphia to Seattle/Tacoma Intl for the best Pennsylvania - Washington flight prices

How far in advance should I book a flight from Pennsylvania to 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 $389 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 $356 on momondo.

Can stopping save me money on Pennsylvania to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Pennsylvania to State of Washington.

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	$217
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 $217. The best round-trip flight deal from Pennsylvania to State of Washington found on momondo in the last 72 hours is $370.

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).

Search flight deals

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?
As of May 2026, there are 10 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Pennsylvania to State of Washington is Airbus A321-100/200, representing 39.29% of all bookings. The subsequent popular models are Airbus A321neo at 37.03%, Boeing 737 MAX 9 at 4.86%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 4.06%.

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
Frontier	PriceFrom $99	Free Cancellation	Rating 5.6 2,949 reviews	Search Frontier flights
Delta	PriceFrom $119	Free Cancellation	Rating 7.9 8,454 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $148	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $166	Free Cancellation	Rating 8.0 4,294 reviews	Search Southwest flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $180	Free Cancellation	Rating 7.9 12,373 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $226	Free Cancellation	Rating 7.4 9,729 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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Cheap flights from Pennsylvania to Washington from $139

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 6/4. 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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Southwest flights from Pennsylvania to State of Washington

Our best Southwest deals on Pennsylvania to State of Washington flight tickets

Alaska Airlines flights from Pennsylvania to State of Washington

Our best Alaska Airlines deals on Pennsylvania to State of Washington flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Pennsylvania to Washington that are best for you.

See travel insights to Washington from

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

What is the cheapest month to fly to State of Washington?

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

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

What is the cheapest Pennsylvania to Washington flight route?

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

Can stopping save me money on Pennsylvania to State of Washington flights?

What is the cheapest airline that flies from Pennsylvania to Washington?

What airlines fly to State of Washington?

How many flights depart from Pennsylvania to State of Washington on average per day?

How many flights depart from Pennsylvania to State of Washington on average per week?

How long is the flight from Pennsylvania to State of Washington?

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

Fastest flight time

Direct flights

Airports in State of Washington

Frequently asked questions about flying from Pennsylvania to 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

Why use momondo?

An easier way to manage your State of Washington 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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