$91 Find Cheap Flights from Pennsylvania to Washington

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Low seasonFebruary
High seasonJuly
Cheapest flight$91
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Pittsburgh to Seattle

Flights from Pennsylvania to Washington: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Pennsylvania to Washington 
JohnFlew with Alaska AirlinesPIT-SEAJan 2025
They HOT tag your luggage if you have a connecting flight with a short layover, so any time you need to connect from Seattle on a subsequent flight just check to make sure your luggage is handled that way. While I was on board looking out the window, I saw my suitcase being loaded last - LIFO planning so that it would be unloaded first for my connection. Smooth sailing after that…. Great service!
Verified travelerFlew with Alaska AirlinesPIT-SEAOct 2024
Early Wednesday mornings must be the prime time to board because there was no time to stash my watch, etc. into my bag before security since there was almost NO line. Another bonus for morning people.

FAQs for booking flights from Pennsylvania to Washington

  • How does KAYAK find such low prices on flights from Pennsylvania to Washington?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Washington.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Washington?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Pennsylvania to Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Pennsylvania to Washington?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Pennsylvania to Washington with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Washington?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Pennsylvania to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in Washington?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Washington is Seattle/Tacoma Intl Airport (SEA), with an average flight price of $288.

  • What is the cheapest day to fly to Washington?

    Based on KAYAK data, the cheapest day to fly to Washington is Wednesday where round-trip tickets can be as cheap as $477. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $579 on average.

  • What is the cheapest time of day to fly to Washington?

    The cheapest time of day to fly to Washington is generally in the afternoon, when round-trip flights cost $416 on average. Morning departures are around 16% more expensive than evening flights, on average. The most expensive time of day to fly to Washington is generally in the morning, which is peak travel time and where the average cost of a ticket is $546.

  • What is the cheapest flight to Washington?

    The cheapest ticket to Washington from Pennsylvania found in the last 72 hours was to Seattle, at $277 round-trip. The most popular route is Philadelphia (PHL) to Seattle (SEA) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $277.

  • What is the cheapest month to fly from Pennsylvania to Washington?

    The cheapest month for flights from Pennsylvania to Washington is January, when tickets cost $391 (return) on average. On the other hand, the most expensive months are December and March, when the average cost of round-trip tickets is $594 and $525 respectively.

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

    To get a below average price on the flight from Pennsylvania to Washington, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

  • How long is the flight to Washington?

    An average nonstop flight from Pennsylvania to Washington takes 7h 46m, covering a distance of 2268 miles. The shortest route is Pittsburgh (PIT) to Seattle (SEA) with an average flight time of 5h 12m.

  • What are the most popular destinations in Washington?

    Based on KAYAK flight searches, the most popular destination is Seattle (80% of total searches to Washington). The next most popular destinations are Portland (18%) and Spokane (2%). Searches for flights to Pasco (0%), to Bellingham (0%) and to Wenatchee (0%) are also popular.

Top 5 airlines serving from Pennsylvania to Washington

 
Need help choosing which airline to fly with from Pennsylvania to Washington? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 10000 reviews
8.5Crew
7.8Comfort
7.1Food
8.1Boarding
7.1Entertainment
Airline reviews

Both flights were delayed due to an incident at SEA. The problem really rests with inadequate customer & plane facilities for Skywest at SEA. You feel like you are in a cattle enclosure. And planes were sitting on taxiways waiting for parking so every plane was late. SEA appears to be over capacity. It is not a fun passenger experience waiting. But crews and flights were all fine. Alaska needs to step up.

8.0 ExcellentAnonymous, Jun 2025TUS - SEA
Read more Alaska Airlines reviews

Both flights were delayed due to an incident at SEA. The problem really rests with inadequate customer & plane facilities for Skywest at SEA. You feel like you are in a cattle enclosure. And planes were sitting on taxiways waiting for parking so every plane was late. SEA appears to be over capacity. It is not a fun passenger experience waiting. But crews and flights were all fine. Alaska needs to step up.

Staff are helpful and patient. I don’t appreciate the almost 5 hours delay and also the delay of our luggage and being switched from one carousel to another to pick them up.

It was horrible. Last minute gate change, delays, more delays and then we had to wait for a stweardess to onboard. No explanation for the wait. No apologies. We got to RDM way past schedule @ 1:30 am!!!! Stressful and exhausting. We'd avoid flying Alaska ever again.

The flight was short and smooth. The crew was friendly and courteous.

Flight was delayed 5 hours. Missed connecting flight. Very little apology or attempt to make anything better. Got a $150 credit for next flight. There won’t be another flight. First time on Alaska - last time. Keep your credit. Should have done something more

The crew the employees were friendly and excellent. There was a problem with the plane and they had workers there immediately working on it. They made sure the people that had immediate connects knew what gates they had to get to and had them leave the plane first. Very thoughtful.

We waited over an hour for our luggage to arrive at the carousel in Seattle.

Like the friendliness of the crew, each flight had a very very drunk person next to me and the last flight had a very obese man pushing me into the aisle while the crew kept ending up hitting me in the shoulder with the beverage carts.

Flight was about 30 minutes delayed. All staff were friendly and professional while keeping us updated.

My screen was hard to change channels….seemed it was worn out….i just gave up and read a book I brought

The flight was scheduled for 2:30 PM. Early in the morning we got a text message saying the flight was delayed and rescheduled for 3:00 PM. We got to the airport with that in mind. Then we got a message during check-in at the flight was rescheduled again for 2:30 PM. We almost missed our flight. In fact, our bags Were told that they would not make it. At the end, everything worked out. But it is very stressful.

Most aspects were good however if they assign boarding zones they ought to enforce them or why bother? My luggage from SAN-JFK-MAD was lost in NY so I without my main bag for two days upon arrival in Spain. They were helpful in tracking it and eventually delivered it to my hotel. The flub was because of a delay upon arrival in NYC. I had booked 2 1/2 hours between flights but we had to hold on the taxiway for an hour after landing while waiting for a clear gate which likely caused the baggage error.

Excellent check-in. Crew was good. Excellent communication from flight deck.

Great overall. There was a bit of turbulence so they could only serve water because too much turbulence for the carts. Was glad they prioritized safety though

Excellent flight, the planes were newer, they did a nice job with boarding, great service overall.

Great service. Flight was delayed while we sat on the runway for a couple of hours. Weather related. Staff made is very bearable. The steward servicing the first class cabin was exceptional. Thank you! 💗

5 hours of delay that could've been much shorter if Delta had taken the 1 hour delay they imposed on the flight before boarding to run any of the plane checks required for flight to find the hydraulic issue that required nearly 3 hours to fix. $24 of meal credit buys a sandwich and a soft drink. Poor communication within the terminal about what gate we'd be re-boarding from and when we'd be re-boarding.

Amazing flight! I have never noticed the uniforms of the attendants before in twenty years of flying except today when one female had the most amazing dress on. It was beautifully designed and showed she was in charge. I never dreamed I would google who designed Delta uniforms . The ultimate compliment is when another woman admires your outfit. . I hope your designer puts it on the market

It would be nice if was given wires ear buds. Overall was a good experience was able to sleep on the plane

My flight was 6 pm 6/6. Every hour they delayed it again - air condition issues then no pilot then the crew had worked too many hours and cancelled the flight at 11 pm. Sent customers to NJ a 45 minutes uber ride to a hotel. Had to be back by 5 am for a 7 am flight and again no pilot etc with another three hours of delays.

Both flights were late 2+ hours with ZERO communication from the airlines or their staff. No offers for compensation. WiFi didn’t work for streaming and they said to only use browsing but that didn’t work either. Waste of $$. No drinks only boxed water or apple juice. No snack. One of the worst flight experiences I’ve ever had.

The ticket and bag check in was chaotic at SEATAC. No clear communication or signage for bag drop off.

This was actually an Alaska flight. I was not able to check in online using the Kayak app or the web for Hawaiian or Alaska airlines. So I contacted Hawaiian and they advised that I had to go to the counter when I arrive at the airport. So I waited in line at the Hawaiian counter for 45 minutes. When I got to the ticket agent she advised that I needed to go to the Alaskan Airlines ticket counter. So I went to that counter which thankfully was not busy. I received my boarding pass and then went to security. I arrived at the gate as boarding was beginning. The frustration is that Hawaiian or Kayak should have directed me to the correct ticket counter. When it is “operated by” a average person doesn't know what that means. Kayak app was silent on what action to take when I was unable to check in online and Hawaiian just stated my ticket number and confirmation numbers were invalid. Communication is key and this process could be cleaned up. Thank goodness I am savvy and speak English, I can’t imagine this process for someone who may not be.

If I knew I would be on Alaska Airlines flying back, I never would have bought the ticket. My flight kept getting delayed and Alaska always seems to be late which is why I don’t fly on them.

Good. They changed our gate very late and then when we landed, we had to wait 20 minutes to get off the airplane because another plane was in a slot.

Very nice experience. The boarding however seemed somewhat mixed up, and we were delayed taking off.

Flight was canceled with no voucher of any kind and next available flight was two days later.

Boarding was chaotic. Microphone not working properly and second agent was distracted from task with baggage and late arrivals.

I DID NOT GO TO HAWAII ON HAWAIIAN AIRLINES. YOU DID NOT INFORM ME THAT BY CHOOSING BASIC ECONOMY, I MIGHT BE REQUIRED TO FLY STANDBY. I AM ELDERLY AS WAS MY COMPANION WHO IS ALSO SEVERELY DISABLED AND THERE WOULD BE NO WAY WE COULD TRAVEL ON STANDBY. THEY TOLD ME THAT ALL OF THE BASIC ECONOMY SEATS HAD BEEN SELECTED BY OTHER PASSENGERS AND WE HAD TO PAY AN ADDITIONAL $942 TO GET A SECURED SEAT ON THE PLAN AND, IN SPITE OF THE ADDITIONAL COST, WE WERE NOT ALLOW US TO AMEND OUR TRAVEL PLANS TO EXTEND OUR VACATION. ULTIMATELY, THE FLIGHT WAS DELAYED. WE WERE OFFERED A REFUND IF WE CANCELED OUR TRIP ALTOGETHER WHICH WE DID. IT IS YOUR DUTY TO INFORM YOUR CUSTOMERS OF THE POTENTIAL PROBLEMS THEY MAY FACE, AND YOU DID NOT DO SO. I WILL NOT UTILIZE YOUR SERVICES EVER AGAIN.

It was very pleasant. The staff and crew are very polite.

Evidently, my seat had the only broken TV. I couldn’t plug it in, get it to come on, or watch anything, and of course, no one could fix it while we were on the plane. The service was good and the boarding was quick

United airlines, mediocre at best. No issues , nothing great . Worked for me

it was so bad. I tried to board my flight from vancouver to saskatoon. And to my surprise they did not board me cause the flight was changed and no email was send to me. and on my boarding pass which i got from seattle says different flight. I did not knew anyone from Vancouver, air canada crew was rude, i asked for today flight but they were rude and i had early morning dental appointment in saskatoon. I was so much in pain and my whole day is wasted today. and i suffered alot. They did provide me hotel but they did not provide me any food. I am really really disappointed first time had so bad experience with air canada. I may think twice to book it again. If i can get any reply or any composition that would be great. Thanks

It was fine, definitely older planes with no charging or anything. There’s no entertainment set up on board, but it is nice that they allow you to access the in flight entertainment from your phone without having to pay for the Wi-Fi and they do offer free texting.

Boarding was mayhem. Late boarding by 15 minutes because of lack of staff (missing 1 flight attendant. We had to wait for an arrival of another plane before we could board). Flight was a little rough, but cannot blame on airlines.

Impressed with the service despite turbulence because of the weather. Both flights arrived before their scheduled times.

Very comfortable (upgraded to business class). The audio on my screen didn’t work, but I managed to play the audio through my phone while watching the screen.

Great experience…left a bit behind schedule but made up fir that in the air and landed 10 minutes early 😁

I was supposed to be on business class at first class from Denver back to Miami due to weather changes. I missed my connection and it’s put on a flight to Fort Lauderdale. Instead of honoring my business class/1st class ticket, they put me in coach, but there were two first class seats open. I think it’s absolutely disgusting that I paid for first class $1300 ticket and they put me in economy and they had to open seats available and I have still not been refunded the difference. I ended up having to eat a snack box instead of the meal I was supposed to get and did not get home till 2 AM so I think that’s a little pathetic that I had to live off crackers for dinner And my poor dog ate some cheese and salami. Oh yes, apparently when they switched me to the new flight they forgot to mention I had a service dog

Excellent service despite turbulence during the flight. Flight attendants were remarkable!

Most miserable flight ever. We waited almost 2 hours on the runway because the flight was oversold. American offered $1200 credit. Then there was some nonsense about weight distribution. Ridiculous. No food for 8 plus hours on the flight. I will be writing a letter.

Honestly, I haven’t flown American in years, probably due to the pandemic and my being unable to travel for certain periods in the last two years, but it was a good experience to dig out or obtain a new American Airlines account after many years of traveling for business with American in the past.

It’s a great flight. Service is good. Staff is awesome.

Everything about the flight was lovely…We left early, arrived early, cabin crew were efficient and helpful. Flight was easy and most pleasant.

One bottle of water and a package of cookies for comfort plus. We had to literally beg a flight attendant for an extra bottle of water later in the flight due to feeling dehydrated.

It was a code share with Alaska - would have been great if I actually made it on the plane, claimed I didn’t have a ticket or a seat even thought I was checked in.

late again! but its my only option to not take 9 hours to get to Memphis

Almost everything was outstanding. First, we boarded on time and the flight crew did a great job getting everyone seated. Then the pilots took their time and care to make sure the plane was full de-iced three times as there was a bad ice storm a few hours earlier. The plane ride was smooth and comfortable and even the economy seats had decent room and comfort. Flight Attendant Lisa went above and beyond to make sure I was comfortable - she is outstanding. The only thing wrong with the flight, and it is something which needs to be addressed, is that the gate to gate time was over 6.5 hours and not one meal was served. The only thing offered to eat were two small cookies for a transcontinental flight - unacceptable. Charge me more but give me a meal for a long flight. Thankfully Lisa found something for me.

Very poor. Our special services attendant gave us incorrect information. I also was mishandled at landing. There was no wheelchair waiting. I fell deboarding the plane. Appalling!

I had a very unpleasant encounter with one man from customer service: he was extremely rude and miserable. And his condition was reflected on his decision to send me to the worst airport hotel and get an awful flight connection. My hotel shuttle had never arrived and I had to book another hotel. People served by other representatives got a much better treatment and deal.

Book cheap flights from Pennsylvania to Washington

Recent round-trip flight deals

8/15Fri
1 stopSouthwest
8h 05mPIT-SEA
8/18Mon
1 stopSouthwest
13h 20mSEA-PIT
$193
9/13Sat
1 stopAmerican Airlines
8h 31mPIT-SEA
9/22Mon
1 stopAmerican Airlines
7h 41mSEA-PIT
$195
9/18Thu
1 stopDelta
9h 34mPIT-SEA
9/20Sat
1 stopDelta
6h 26mSEA-PIT
$197
8/23Sat
1 stopDelta
7h 45mPIT-SEA
8/31Sun
1 stopDelta
8h 05mSEA-PIT
$207
11/1Sat
nonstopAlaska Airlines
6h 13mEWR-SEA
11/11Tue
nonstopAlaska Airlines
5h 18mSEA-EWR
$237
9/16Tue
nonstopHawaiian Airlines
6h 05mEWR-SEA
9/27Sat
1 stopHawaiian Airlines
8h 54mSEA-EWR
$242
10/27Mon
nonstopAlaska Airlines
6h 10mEWR-SEA
11/15Sat
nonstopAlaska Airlines
5h 18mSEA-EWR
$244
10/3Fri
nonstopHawaiian Airlines
5h 59mEWR-SEA
10/3Fri
nonstopHawaiian Airlines
5h 24mSEA-EWR
$245
7/12Sat
1 stopUnited Airlines
7h 51mPIT-SEA
7/14Mon
1 stopUnited Airlines
6h 36mSEA-PIT
$251
7/24Thu
1 stopUnited Airlines
7h 51mPIT-SEA
7/28Mon
1 stopUnited Airlines
6h 36mSEA-PIT
$262

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Recent one-way flight deals

8/23Sat
1 stopSouthwest
11h 05mPIT-SEA
$91
8/25Mon
2 stopsSouthwest
12h 00mPIT-SEA
$96
8/13Wed
1 stopAmerican Airlines
9h 32mPIT-SEA
$98
7/28Mon
1 stopDelta
8h 43mPIT-SEA
$104
9/3Wed
nonstopAlaska Airlines
6h 03mEWR-SEA
$114
9/3Wed
nonstopAlaska Airlines
6h 05mEWR-SEA
$115
9/3Wed
1 stopAmerican Airlines
8h 58mLGA-SEA
$128
8/31Sun
1 stopDelta
9h 40mEWR-SEA
$129
9/13Sat
1 stopUnited Airlines
9h 43mEWR-PDX
$144
7/15Tue
nonstopUnited Airlines
5h 53mIAD-SEA
$149

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Last minute flights from Pennsylvania to Washington

Last minute flight, train and bus deals

6/21Sat
multi-stopFrontier
8h 44mDCA-SEA
6/28Sat
multi-stopFrontier
7h 32mSEA-DCA
$188
6/21Sat
multi-stopFrontier
8h 53mDCA-SEA
7/3Thu
multi-stopFrontier
7h 32mSEA-DCA
$197
6/17Tue
multi-stopDelta
9h 46mPIT-SEA
6/20Fri
multi-stopDelta
7h 53mSEA-PIT
$393
6/20Fri
nonstopAlaska Airlines
6h 14mEWR-SEA
7/4Fri
nonstopAlaska Airlines
5h 19mSEA-EWR
$407
6/20Fri
nonstopDelta
6h 39mJFK-SEA
7/4Fri
nonstopDelta
5h 31mSEA-JFK
$412
6/17Tue
multi-stopAmerican Airlines
8h 44mPIT-SEA
6/25Wed
multi-stopAmerican Airlines
7h 34mSEA-PIT
$421
6/21Sat
multi-stopAlaska Airlines
8h 16mEWR-SEA
7/4Fri
multi-stopAlaska Airlines
8h 56mSEA-EWR
$426
6/21Sat
multi-stopAmerican Airlines
8h 57mPIT-SEA
7/7Mon
multi-stopAmerican Airlines
7h 15mSEA-PIT
$449
6/17Tue
multi-stopUnited Airlines
12h 37mPIT-SEA
6/26Thu
multi-stopUnited Airlines
6h 36mSEA-PIT
$463
6/17Tue
multi-stopUnited Airlines
13h 41mPIT-SEA
6/29Sun
multi-stopUnited Airlines
11h 38mSEA-PIT
$468

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Everything you need to know for your flight to Washington

Cabin class types available on flights to Pennsylvania

Cabin classes available on flights to Pennsylvania. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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