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$100+ Cheap flights from Pennsylvania to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Pennsylvania to Washington

Cheapest flights from Pennsylvania to Washington
Explore the most affordable flight options available from Pennsylvania to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:20 amJFK - SEA
2 stops25h 36mFrontier
Wed 12/312:46 pmSEA - JFK
1 stop11h 44mFrontier
Deal found 10/28$194
This CheapOair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:59 amJFK - SEA
1 stop30h 07mFrontier
Mon 12/811:01 amSEA - JFK
1 stop15h 29mFrontier
Deal found 10/28$196
This Trip.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:51 pmJFK - SEA
Nonstop6h 22mMultiple Airlines
Wed 11/191:37 pmSEA - JFK
1 stop19h 29mMultiple Airlines
Deal found 10/30$198
This Trip.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:30 amEWR - SEA
Nonstop6h 10mMultiple Airlines
Wed 11/197:00 amSEA - EWR
Nonstop5h 25mMultiple Airlines
Deal found 10/30$199
This Expedia deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:51 pmJFK - SEA
Nonstop6h 22mMultiple Airlines
Mon 11/1711:43 amSEA - JFK
1 stop15h 47mMultiple Airlines
Deal found 10/29$199
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:30 amEWR - SEA
Nonstop6h 10mAlaska Airlines
Wed 11/1910:05 amSEA - EWR
Nonstop5h 24mAlaska Airlines
Deal found 10/30$201
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:00 pmJFK - SEA
1 stop22h 56mFrontier
Mon 1/52:54 pmSEA - JFK
1 stop21h 33mFrontier
Deal found 10/29$201
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:30 amJFK - SEA
1 stop32h 52mFrontier
Fri 12/53:40 pmSEA - JFK
1 stop20h 49mFrontier
Deal found 10/28$202
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:55 pmLGA - SEA
1 stop16h 12mFrontier
Sun 11/162:22 pmSEA - LGA
2 stops26h 08mFrontier
Deal found 10/28$203
This Trip.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:30 amEWR - SEA
Nonstop6h 10mHawaiian Airlines
Wed 11/198:48 amSEA - EWR
Nonstop5h 18mHawaiian Airlines
Deal found 10/30$205
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:28 pmEWR - SEA
Nonstop6h 18mUnited Airlines
Sun 11/166:00 amSEA - EWR
Nonstop5h 14mUnited Airlines
Deal found 10/29$207
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:30 pmLGA - SEA
1 stop9h 48mAmerican Airlines
Sun 11/911:59 pmSEA - LGA
1 stop8h 30mAmerican Airlines
Deal found 10/28$207

Cheap flight deals from Pennsylvania to Washington

Keep the following information in mind while searching for Pennsylvania to Washington flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$196
(CheapOair)

One-way from

$100
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$359

Good round-trip deal

$327 or less

Good one-way deal

$176 or less
Provider with most accurate pricing for Philadelphia-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Seattle/Tacoma Intl flights.
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From Pennsylvania to Washington
Search Deals
One-way flight from Pennsylvania to Washington
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Pennsylvania to Washington.
Search Deals
Price to beat on a one-way flight from Pennsylvania to Washington.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Pennsylvania to Washington that are best for you.

Fly from

Pennsylvania

Fly to

Washington

Route

Depart

Return

Price

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 12/13

7:59 pm-11:19 pm

Nonstop6h 20m

Seattle/Tacoma Intl

Tue 12/16

9:35 pm-5:58 am

Nonstop5h 23m

$217

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 11/12

7:00 am-1:38 pm

1 stop9h 38m

Seattle/Tacoma Intl

Wed 11/12

11:52 pm-8:00 am

Nonstop5h 08m

$217

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 12/11

7:14 am-10:40 am

Nonstop6h 26m

Seattle/Tacoma Intl

Mon 12/15

9:35 pm-5:58 am

Nonstop5h 23m

$217

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 11/6

2:05 pm-8:00 pm

1 stop8h 55m

Seattle/Tacoma Intl

Wed 11/12

6:35 am-5:45 pm

1 stop8h 10m

$227

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Mon 11/10

11:15 am-6:52 pm

1 stop10h 37m

Seattle/Tacoma Intl

Sat 11/15

8:00 am-6:44 pm

1 stop7h 44m

$227

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Fri 11/14

6:00 am-12:47 pm

1 stop9h 47m

Seattle/Tacoma Intl

Mon 11/17

12:35 pm-11:16 pm

1 stop7h 41m

$227

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 11/6

11:40 am-8:00 pm

1 stop11h 20m

Seattle/Tacoma Intl

Mon 11/10

6:35 am-5:50 pm

1 stop8h 15m

$232

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 12/12

3:29 pm-12:12 am

1 stop11h 43m

Seattle/Tacoma Intl

Sun 12/14

9:35 pm-5:58 am

Nonstop5h 23m

$232

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 1/16

6:08 pm-9:28 pm

Nonstop6h 20m

Seattle/Tacoma Intl

Mon 1/19

6:53 pm-4:29 pm

1 stop18h 36m

$237

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 1/14

8:00 am-11:09 am

Nonstop6h 09m

Seattle/Tacoma Intl

Sun 1/18

1:55 pm-9:59 pm

Nonstop5h 04m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Pennsylvania with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pennsylvania to Washington

What is the cheapest month to book a flight from Pennsylvania to State of Washington?

Currently, March is the cheapest month in which you can book a flight from Pennsylvania to State of Washington (average of $159). Flying from Pennsylvania to State of Washington in June is currently the most expensive (average of $246). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PA to WA?

Find hourly flight availability from Pennsylvania to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from Pennsylvania to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 34% versus a flight in the morning.

What is the cheapest day to fly from Pennsylvania to State of Washington?

Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to Washington. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Pennsylvania to State of Washington flight should consider departing on Saturday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Pennsylvania to Washington. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,217 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,797 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
11,035 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Pennsylvania to State of Washington flight route?

    Within the past month, 37 users have taken a look at flights from Pennsylvania to Washington.

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

    Airlines like Alaska Airlines, United Airlines, and Southwest fly from Pennsylvania to State of Washington in about 6h 20m. The time it takes to get you to your destination can typically vary by up to 3h 18m. The distance between Pennsylvania and State of Washington is about 2393 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Pennsylvania to State of Washington one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $104. Users have also found prices from $104 and $114 on United Airlines and American Airlines, respectively.

  • Can I find deals for flights from Pennsylvania to Washington that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Washington.

  • Can I find deals for business class flights from Pennsylvania to Washington?

    Yes. Cheapflights offers flight deals from Pennsylvania to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pennsylvania to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from Pennsylvania to State of Washington (average of $159). Flying from Pennsylvania to State of Washington in June is currently the most expensive (average of $246). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Pennsylvania to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Pennsylvania to Washington

Discover the top 9 airlines that operate flights from Pennsylvania to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$99Average$257FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$127Average$252FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$178Average$455FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$178Average$503FlexibilityNo cancel feeOn-time71%
DeltaCheapest$193Average$443FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$235Average$447FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$236Average$537FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$238Average$361FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$249Average$542FlexibilityNo cancel feeOn-time75%

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