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 9 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, Frontier, and Alaska Airlines 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 14m and 5h 59m, 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 November 2025, 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.

$96 Cheap Flights from Pennsylvania to Washington in 2025/26

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

540 flights are operational weekly from Pennsylvania to State of Washington as of November 2025. The most popular departure day for this route is Sun, with 23% 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 November 2025, there are 77 flights per day flying from Pennsylvania to State of Washington. The most common time of day flights depart is 7:00PM, with 67% of flights taking off in the evening.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Pennsylvania to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:29 pm - 11:53 amJFK-SEA

22h 24m1 stop

2:46 pm - 5:30 amSEA-JFK

11h 44m1 stop

$191Frontier

Find Deal

Sat, Dec 13 - Wed, Dec 31

10:55 pm - 11:53 amLGA-SEA

15h 58m1 stop

3:40 pm - 11:05 pmSEA-LGA

28h 25m2 stops

$191Frontier

Find Deal

Sat, Dec 6 - Mon, Dec 15

7:59 pm - 11:19 pmEWR-SEA

6h 20mnonstop

10:00 am - 6:26 pmSEA-EWR

5h 26mnonstop

$200Alaska Airlines

Find Deal

Thu, Dec 4 - Wed, Dec 10

6:00 am - 12:53 pmLGA-SEA

9h 53m1 stop

11:59 pm - 11:29 amSEA-LGA

8h 30m1 stop

$207American Airlines

Find Deal

Thu, Nov 13 - Sun, Nov 16

7:30 am - 10:40 amEWR-SEA

6h 10mnonstop

7:00 am - 3:25 pmSEA-EWR

5h 25mnonstop

$207Alaska Airlines

Find Deal

Sat, Nov 15 - Sun, Nov 16

6:15 pm - 9:35 pmEWR-SEA

6h 20mnonstop

11:45 pm - 7:59 amSEA-EWR

5h 14mnonstop

$214United Airlines

Find Deal

Wed, Dec 24 - Tue, Jan 6

6:15 pm - 9:35 pmEWR-SEA

6h 20mnonstop

5:10 pm - 5:59 amSEA-EWR

9h 49m1 stop

$224United Airlines

Find Deal

Wed, Dec 24 - Tue, Jan 6

7:15 am - 10:19 amIAD-SEA

6h 04mnonstop

3:30 pm - 11:27 pmSEA-IAD

4h 57mnonstop

$236Delta

Find Deal

Thu, Nov 27 - Thu, Dec 4

7:15 am - 10:12 amIAD-SEA

5h 57mnonstop

3:30 pm - 11:27 pmSEA-IAD

4h 57mnonstop

$237Delta

Find Deal

Thu, Dec 4 - Wed, Dec 10

12:40 pm - 8:45 pmLGA-SEA

11h 05m1 stop

7:00 am - 7:21 pmSEA-LGA

9h 21m1 stop

$242American Airlines

Find Deal

Sat, Jan 10 - Sat, Jan 17

Frontier flights from Pennsylvania to State of Washington

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

Frontier

Dec 13

JFK4:29 pmNew York John F Kennedy Intl

22h 24m

1 stop

SEA11:53 amSeattle/Tacoma Intl

Dec 31

SEA2:46 pmSeattle/Tacoma Intl

11h 44m

1 stop

JFK5:30 amNew York John F Kennedy Intl

$191

Find similar

Frontier

Nov 14

JFK7:59 amNew York John F Kennedy Intl

13h 33m

1 stop

SEA6:32 pmSeattle/Tacoma Intl

Nov 19

SEA1:37 pmSeattle/Tacoma Intl

16h 28m

2 stops

JFK9:05 amNew York John F Kennedy Intl

$192

Find similar

Frontier

Nov 26

LGA10:58 pmNew York LaGuardia

15h 58m

1 stop

SEA11:56 amSeattle/Tacoma Intl

Dec 4

SEA1:09 pmSeattle/Tacoma Intl

29h 51m

1 stop

LGA10:00 pmNew York LaGuardia

$195

Find similar

Alaska Airlines flights from Pennsylvania to State of Washington

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

Alaska Airlines

Dec 4

EWR7:59 pmNewark

6h 20m

SEA11:19 pmSeattle/Tacoma Intl

Dec 10

SEA10:00 amSeattle/Tacoma Intl

5h 26m

EWR6:26 pmNewark

$200

Find similar

Alaska Airlines

Nov 15

EWR7:30 amNewark

6h 10m

SEA10:40 amSeattle/Tacoma Intl

Nov 16

SEA7:00 amSeattle/Tacoma Intl

5h 25m

EWR3:25 pmNewark

$207

Find similar

Alaska Airlines

Dec 4

EWR9:00 amNewark

10h 30m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

Dec 10

SEA10:00 amSeattle/Tacoma Intl

5h 26m

EWR6:26 pmNewark

$209

Find similar

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

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sat 12/13

4:29 pm-11:53 am

1 stop22h 24m

Seattle/Tacoma Intl

Wed 12/31

2:46 pm-5:30 am

1 stop11h 44m

$191

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 12/6

10:55 pm-11:53 am

1 stop15h 58m

Seattle/Tacoma Intl

Mon 12/15

3:40 pm-11:05 pm

2 stops28h 25m

$191

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 12/4

7:59 pm-11:19 pm

Nonstop6h 20m

Seattle/Tacoma Intl

Wed 12/10

10:00 am-6:26 pm

Nonstop5h 26m

$200

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 11/13

6:00 am-12:53 pm

1 stop9h 53m

Seattle/Tacoma Intl

Sun 11/16

11:59 pm-11:29 am

1 stop8h 30m

$207

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 11/15

7:30 am-10:40 am

Nonstop6h 10m

Seattle/Tacoma Intl

Sun 11/16

7:00 am-3:25 pm

Nonstop5h 25m

$207

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 12/24

6:15 pm-9:35 pm

Nonstop6h 20m

Seattle/Tacoma Intl

Tue 1/6

11:45 pm-7:59 am

Nonstop5h 14m

$214

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 12/24

6:15 pm-9:35 pm

Nonstop6h 20m

Seattle/Tacoma Intl

Tue 1/6

5:10 pm-5:59 am

1 stop9h 49m

$224

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Thu 11/27

7:15 am-10:19 am

Nonstop6h 04m

Seattle/Tacoma Intl

Thu 12/4

3:30 pm-11:27 pm

Nonstop4h 57m

$236

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Thu 12/4

7:15 am-10:12 am

Nonstop5h 57m

Seattle/Tacoma Intl

Wed 12/10

3:30 pm-11:27 pm

Nonstop4h 57m

$237

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 1/10

12:40 pm-8:45 pm

1 stop11h 05m

Seattle/Tacoma Intl

Sat 1/17

7:00 am-7:21 pm

1 stop9h 21m

$242

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 October is, on average, the cheapest month to fly to State of Washington from Pennsylvania, with most prices found around $360. If you aren’t able to travel to State of Washington during the month of October, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $367.

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 Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $472. 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 $596.

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 $528 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 $423 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 $382 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 4% 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	$216
Fastest flight time	5h 35m
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 $216. The best round-trip flight deal from Pennsylvania to State of Washington found on momondo in the last 72 hours is $365.

The fastest flight from Pennsylvania to State of Washington takes 5h 35m

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)

Search flight deals

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 November 2025, 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 Boeing 737 MAX 9, representing 36.05% of all bookings. The subsequent popular models are Airbus A321-100/200 at 23.78%, Boeing 737-900 Passenger/BBJ3 (winglets) at 15.24%, and Boeing 737 at 8.69%.

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 5.8 3,117 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $127	Free Cancellation	Rating 6.3 8,112 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $178	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.2 11,035 reviews	Search American Airlines flights
Delta	PriceFrom $193	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $235	Free Cancellation	Rating 7.8 2,799 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $236	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights
Sun Country Air	PriceFrom $238	Free Cancellation	Rating 6.9 334 reviews	Search Sun Country Air flights
Alaska Airlines	PriceFrom $249	Free Cancellation	Rating 8.0 11,235 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 12/3

Wed 12/10

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular cities in Washington

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $54

Flights to Orlandofrom $47

Flights to Las Vegasfrom $49

Flights to San Franciscofrom $54

Flights to Washington, D.C.from $54

Flights to Bostonfrom $40

Flights to Atlantafrom $40

Flights to Dallasfrom $49

Flights to Seattlefrom $68

Cheap flights from Pennsylvania to Washington from $96

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 12/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Pennsylvania to Washington

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Pennsylvania to State of Washington

Our best Frontier 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

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?

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?

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?

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 4% on your flight if you consider stops on a Pennsylvania to State of Washington flight.

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

United Airlines, Frontier, and Alaska Airlines are the most popular carriers operating 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?

As of November 2025, there are 77 flights per day flying from Pennsylvania to State of Washington. The most common time of day flights depart is 7:00PM, with 67% of flights taking off in the evening.

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

540 flights are operational weekly from Pennsylvania to State of Washington as of November 2025. The most popular departure day for this route is Sun, with 23% of flights per week taking off on this day.

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 14m and 5h 59m, respectively.

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

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

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?

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

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

Why use momondo?

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

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

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

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

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