Flights from Philadelphia to Seattle, United States

From
To
City
Depart
Return
Select sites to compare prices |
  • Select all
  • Deselect all

Find Flights

Search

Enter your destination to continue
Enter depart date to continue
Enter return date to continue
Select at least 3 sites to continue
Select your depart date
Select your return date
Location services timed out
Enable Location Services Required!
Location services not available at this time
Use current location
@{prefix}@{match}@{suffix}
CityAirportCity
Did you mean flights from Seattle to Philadelphia?

Philadelphia to Seattle Last modified: Mar 23, 2019 3:28 -04:00

We've scanned 48,195,047,545 round trip itineraries and found the cheapest flights to Seattle. Alaska & American frequently offer the best deals to Seattle flights, or select your preferred carrier below to see the cheapest days to fly.

Alaska
PHLSEA
Wed 4/24
nonstop
SEAPHL
Tue 4/30
nonstop
$281
American
PHLSEA
Wed 4/24
nonstop
SEAPHL
Tue 4/30
nonstop
$281
United
PHLSEA
Tue 4/16
1 stop
SEAPHL
Tue 4/30
1 stop
$294
JetBlue
PHLSEA
Tue 4/23
1 stop
SEAPHL
Mon 4/29
1 stop
$295
Frontier
PHLSEA
Mon 4/29
1 stop
SEAPHL
Thu 5/2
1 stop
$298
Spirit
PHLSEA
Tue 4/30
2 stops
SEAPHL
Thu 5/2
2 stops
$309

How Much is a Flight from Philadelphia to Seattle?

We have collected flight cost data from across the web for travel from Philadelphia to Seattle, and have found the average flight price for this trip to be $297.

Where To Buy Cheap Flights from Philadelphia to Seattle?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Philadelphia to Seattle based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Philadelphia to Seattle?

The chart below shows up-to-date information regarding how far in advance to book your flight from Philadelphia to Seattle.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $526 $535
7-14 days $449 $396
14-21 days $391 $327
21-30 days $339 $294
30-60 days $281 $285
60-90 days $281 $290
90+ days $361 $295

Cheapest Day To Fly from Philadelphia to Seattle

We've examined 57,595,778,181 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Philadelphia to Seattle is Tuesday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$298$281$281$298$308$281$331

Compare Flight Prices from Philadelphia to Seattle by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Philadelphia to Seattle flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
March Philadelphia Seattle Alaska 3/30/19 4/8/19 1 $514
April Philadelphia Seattle American 4/24/19 4/30/19 0 $281
May Philadelphia Seattle American 5/7/19 5/14/19 0 $281
June Philadelphia Seattle American 6/4/19 6/12/19 0 $281
July Philadelphia Seattle American 7/10/19 7/16/19 0 $361
August Philadelphia Seattle Frontier 8/3/19 8/7/19 1 $298
September Philadelphia Seattle JetBlue 9/16/19 9/24/19 1 $295
October Philadelphia Seattle Spirit 10/1/19 10/8/19 1 $342

Cheap Last Minute Flights from Philadelphia to Seattle

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Philadelphia to Seattle. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
24 25 26 27 28 29 30
$560
31 1 2 3 4 5 6
$560 $396
7 8 9 10 11 12 13
$396 $369
14 15 16 17 18 19 20
$369 $310
21 22 23 24 25 26 27
$310 $339
28 29 30 1 2 3 4
$339

Connecting Flights vs Direct Flights from Philadelphia to Seattle

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Philadelphia to Seattle is $362.

The average price for direct flights from Philadelphia to Seattle is $383.

The chart below shows up to date information regarding non-stop flights from Philadelphia to Seattle.

Weekly Direct Flights from Philadelphia to Seattle - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
American 2 1 1 2 2 1 2 03:20 13:05
Alaska 1 1 1 1 1 1 1 11:50 11:50

One Way Flights vs Round Trip Flights from Philadelphia to Seattle

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Philadelphia to Seattle. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Philadelphia to Seattle is $169.

The average price for round trip flights from Philadelphia to Seattle is $352.

Philadelphia to Seattle Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is the flight from Philadelphia to Seattle?
Answer: The average Philadelphia to Seattle flight time is 6 hours and 9 minutes.
Question: How far is Seattle from Philadelphia?
Answer: The distance from Philadelphia to Seattle is 2,371 miles (3,815 kilometers).
Question: How common are direct flights from Philadelphia to Seattle?
Answer: There are 18 direct flights from Philadelphia to Seattle.
Question: What are the most popular Philadelphia airlines for direct flights from Philadelphia to Seattle?
Answer: American Airlines provides 61% of the non-stop flights between Philadelphia and Seattle.
Question: What are the most popular connecting cities when flying from Philadelphia to Seattle?
Answer: Los Angeles, CA

Airlines in Philadelphia flying to Seattle Last modified: Mar 23, 2019 3:28 -04:00Number of routes searched: 313Number of itineraries searched: 509,450

Wondering which airlines fly out of Philadelphia to Seattle? We've gathered the average price of Philadelphia airlines with flights to Seattle. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

Philadelphia to Seattle
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
Alaska -
American CLT
American DFW
American JFK
American LAX
Alaska LAX
Alaska PDX
Alaska SFO
JetBlue BOS
Major Airlines ATL
Major Airlines CVG
Major Airlines DTW
Major Airlines MSP
Major Airlines RDU
Frontier DEN
Spirit ATL
Spirit DFW
Spirit DTW
Spirit FLL
Spirit LAS
Sun Country MSP
United DEN
United SFO
United IAH
United ORD

Philadelphia to Seattle Airports

These are the major commercial airports we're currently monitoring in Philadelphia and Seattle. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap International Flights to Seattle - SEA Last modified: Mar 23, 2019 3:28 -04:00

We are updating our Cookie Policy. FareCompare will use cookies and other tracking technologies to assist with navigation and product selection, analyze your use of our services, assist with our promotional and marketing efforts, and provide deals content from third parties.

Cheap Flights from Philadelphia to Seattle