Book Cheap Alaska Airlines flight from Seattle (SEA) to Philadelphia (PHL) from CA $190

Find The Best Day to Book a Cheap Alaska Airlines Flights From Seattle to Philadelphia

Cheapest Alaska Airlines Flights from Seattle (SEA) to Philadelphia (PHL)

The cheapest flights to Philadelphia Intl. found within the past 7 days were CA $392 round trip and CA $190 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from Sea-Tac Airport to PHL right now?
Ensure you visit our Covid-19 Travel Advisor to learn if there are any present travel advice reports or quarantine requirements in effect in PHL when flying in from SEA.
What terminal is Alaska Airlines at Sea-Tac Airport?
If you’re catching a flight from Seattle - Tacoma Intl. Airport (SEA) to Philadelphia Airport, you’ll probably be disembarking at terminal D. We can’t say for sure which terminal you’ll be setting off from — it’s wise to ask your airline.
Are there Alaska Airlines non-stop flights from SEA to PHL?
The answer is yes. Save yourself time and trouble and fly straight from Seattle - Tacoma Intl. Airport (SEA) to Philadelphia Airport with Alaska Airlines. Avoid transfers, lessen the risk of losing your belongings and get your vacation underway faster — direct flights are preferred by many wise wanderers.
How long is an Alaska Airlines flight from SEA to PHL?
Weather and air traffic permitting, your Alaska Airlines flight from SEA to PHL will take an average of 5 hours and 41 minutes. That means you’ve got ample time to order a glass of wine, get some shut-eye and look at your travel schedule before you touch down.
What type of aircraft does Alaska Airlines fly from SEA to PHL?
Alaska Airlines generally operates the Boeing 737-800 or the Boeing 737-900 between Sea-Tac Airport and Philadelphia Airport.
How many direct and indirect flights does Alaska Airlines fly from SEA to PHL?
You can take your pick of approximately 2 flights per day with Alaska Airlines from SEA to PHL.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to PHL, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
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Grab a great Alaska Airlines flight from SEA to PHL 

To find a great deal on Alaska Airlines flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights. 

Flying Alaska Airlines Seattle to Philadelphia gives you 2 fights to choose from. With that direct flight time of 12, you’ll be touching down before you know it.  

 

Find cheap flights with Alaska Airlines between Seattle and Philadelphia 

Alaska Airlines has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Seattle to Philadelphia with Alaska Airlines are October.  

The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.  

 

Reasons to book your Alaska Airlines flights with Travelocity 

Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.  

Alaska Airlines Airports
Hop on a(n) Alaska Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
SEAUSASeattle - Tacoma Intl.115
ORDUSAO'Hare Intl.44
LAXUSALos Angeles Intl.24
PDXUSAPortland Intl.23
ANCUSATed Stevens Anchorage Intl.22
SFOUSASan Francisco Intl.21
SANUSASan Diego Intl.18
JNUUSAJuneau Intl.10
SJCUSANorman Y. Mineta San Jose Intl.10
GEGUSASpokane Intl.7

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