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Pennsylvania

$100+ Cheap flights from Washington to Pennsylvania

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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHL
ene. 16 — ene. 231
vie. 1/16
vie. 1/23
1 adult, Economy
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Cheap flight deals from Washington to Pennsylvania

Cheapest flights from Washington to Pennsylvania
Explore the most affordable flight options available from Washington to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 17, 2025.

This CheapOair deal was found by Cheapflights users on 12/16. 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.
mar. 12/302:54 pmSEA - DCA
1 stop28h 05mFrontier
mié. 1/76:00 pmDCA - SEA
1 stop20h 21mFrontier
Deal found 12/16$234
This Trip.com deal was found by Cheapflights users on 12/16. 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.
jue. 12/251:25 pmSEA - DCA
1 stop24h 34mFrontier
mié. 1/78:59 amDCA - SEA
1 stop29h 22mFrontier
Deal found 12/16$251
This Expedia deal was found by Cheapflights users on 12/14. 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.
mar. 12/232:29 pmPDX - JFK
1 stop12h 01mMultiple Airlines
mar. 1/137:00 amJFK - PDX
1 stop9h 48mMultiple Airlines
Deal found 12/14$281
This CheapOair deal was found by Cheapflights users on 12/15. 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.
sáb. 12/272:54 pmSEA - DCA
1 stop19h 07mFrontier
mié. 1/76:00 pmDCA - SEA
1 stop20h 21mFrontier
Deal found 12/15$283
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
mié. 12/241:25 pmSEA - JFK
2 stops17h 35mFrontier
jue. 1/81:00 pmJFK - SEA
1 stop25h 21mFrontier
Deal found 12/16$286
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/3110:39 pmSEA - EWR
Nonstop5h 20mAlaska Airlines
mar. 1/67:09 amEWR - SEA
Nonstop6h 27mAlaska Airlines
Deal found 12/15$287
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/311:35 pmSEA - PHL
1 stop6h 43mDelta
mié. 1/76:00 amPHL - SEA
1 stop7h 42mDelta
Deal found 12/16$297
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/3110:39 pmSEA - EWR
Nonstop5h 20mAlaska Airlines
vie. 1/94:36 pmEWR - SEA
Nonstop6h 19mAlaska Airlines
Deal found 12/15$297
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/232:29 pmPDX - JFK
1 stop12h 01mFrontier
jue. 1/16:59 amJFK - PDX
1 stop9h 25mFrontier
Deal found 12/16$304
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/255:25 amSEA - EWR
1 stop9h 04mDelta
vie. 1/95:30 pmEWR - SEA
1 stop8h 52mDelta
Deal found 12/15$307
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
mar. 12/231:25 pmSEA - JFK
2 stops37h 05mFrontier
jue. 1/81:00 pmJFK - SEA
1 stop25h 21mFrontier
Deal found 12/15$307
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
mar. 12/2312:47 pmPDX - LGA
1 stop30h 13mFrontier
mié. 1/710:55 pmLGA - PDX
1 stop15h 20mFrontier
Deal found 12/16$311

Find flight deals from Washington to Pennsylvania

Keep the following information in mind while searching for Washington to Pennsylvania flight deals. Data was last updated diciembre 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$207
(Kiwi.com)

One-way from

$100
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$646

Good round-trip deal

$285 or less

Good one-way deal

$233 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Philadelphia flights.
Search Deals
From Washington to Pennsylvania
Search Deals
One-way flight from Washington to Pennsylvania
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Washington to Pennsylvania.
Search Deals
Price to beat on a one-way flight from Washington to Pennsylvania.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Pennsylvania 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 diciembre 17, 2025.
Use the filters below to find and compare flights from Washington to Pennsylvania that are best for you.

Fly from

Washington

Fly to

Pennsylvania

Route

Depart

Return

Price

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

dom. 2/8

11:10 pm-8:53 am

1 stop6h 43m

Washington, D.C. Reagan-National

dom. 2/15

4:44 pm-7:43 pm

Nonstop5h 59m

$209

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

jue. 1/8

6:05 am-6:04 pm

1 stop8h 59m

Washington, D.C. Reagan-National

lun. 1/12

4:44 pm-7:43 pm

Nonstop5h 59m

$209

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

mié. 1/14

5:25 am-4:00 pm

1 stop7h 35m

Washington, D.C. Reagan-National

mié. 1/21

4:44 pm-7:43 pm

Nonstop5h 59m

$209

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

lun. 1/12

1:30 pm-10:57 pm

1 stop6h 27m

Washington, D.C. Reagan-National

sáb. 1/24

4:44 pm-7:43 pm

Nonstop5h 59m

$209

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

mar. 3/17

11:12 pm-8:43 am

1 stop6h 31m

Washington, D.C. Reagan-National

sáb. 3/21

4:45 pm-7:39 pm

Nonstop5h 54m

$209

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

mié. 3/18

11:47 am-11:47 pm

1 stop9h 00m

Washington, D.C. Reagan-National

mar. 3/24

4:45 pm-7:39 pm

Nonstop5h 54m

$209

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

jue. 1/29

1:38 pm-11:48 pm

1 stop7h 10m

Washington, D.C. Dulles Intl

jue. 2/5

7:30 am-10:29 am

Nonstop5h 59m

$209

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

mar. 3/17

1:30 pm-10:59 pm

1 stop6h 29m

Washington, D.C. Dulles Intl

sáb. 3/21

7:00 am-10:03 am

Nonstop6h 03m

$209

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

jue. 1/8

1:35 pm-11:48 pm

1 stop7h 13m

Washington, D.C. Dulles Intl

mié. 1/14

7:30 am-10:29 am

Nonstop5h 59m

$209

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

mar. 1/6

12:57 pm-12:52 am

1 stop8h 55m

Newark

sáb. 1/17

7:50 pm-11:15 pm

Nonstop6h 25m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Washington 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 Washington to Pennsylvania

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

Currently, September is the cheapest month in which you can book a flight from State of Washington to Pennsylvania (average of $42). Flying from State of Washington to Pennsylvania in March is currently the most expensive (average of $237). 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 WA to PA?

Find hourly flight availability from Washington to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 17, 2025.

It’s typically best to fly out from State of Washington to Pennsylvania in the evening. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

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

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated diciembre 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Washington to Pennsylvania to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,469 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,469 reviews
Alaska Airlines
8.0
Very good
11,469 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
8.0
Very good
11,469 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,469 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
9,092 reviews
Alaska Airlines
8.0
Very good
11,469 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
American Airlines
7.2
Good
11,049 reviews
Alaska Airlines
8.0
Very good
11,469 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Washington to Pennsylvania. 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 State of Washington to Pennsylvania flight route?

    This flight path from Washington to Pennsylvania was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Departing from State of Washington to Pennsylvania will take you 5h 12m. State of Washington and Pennsylvania are separated by a distance of 2393 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Pennsylvania 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 State of Washington to Pennsylvania?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Pennsylvania (average of $42). Flying from State of Washington to Pennsylvania in March is currently the most expensive (average of $237). 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.

See more FAQs

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Alternative routes for Washington to Pennsylvania

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Top 9 airlines flying from Washington to Pennsylvania

Discover the top 9 airlines that operate flights from Washington to Pennsylvania. 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 diciembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$138Average$258FlexibilityNo cancel feeOn-time65%
FrontierCheapest$140Average$298FlexibilityNo cancel feeOn-time62%
DeltaCheapest$149Average$457FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$177Average$451FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$192Average$582FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$221Average$553FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$222Average$445FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$233Average$355FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$234Average$553FlexibilityNo cancel feeOn-time75%

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