Cheap Flights from Philadelphia, PA to Seattle, WA from $63

On Cheapflightsplus.com you will find 3 direct and 192 connecting flights from Philadelphia to Seattle. You can compare airfare deals from 8 airlines and multiple travel sites from $63, book and save on cheap plane tickets and last minute offers. Also check out PHL-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Philadelphia to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $63 (one-way), $108 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Philadelphia to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
07:30 — 10:15
07:30 — 10:15 AS279 Alaska Airlines
Philadelphia — Seattle
5h 45m
Find flight
from$196
16:50 — 19:35
16:50 — 19:35 AS1331 Alaska Airlines
Philadelphia — Seattle
5h 45m
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from$196
17:00 — 20:05
17:00 — 20:05 AS17 Alaska Airlines
Philadelphia — Seattle
6h 5m
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from$126
06:30 — 13:09
06:30 — 08:30 WN1152 Southwest Airlines
Philadelphia — Denver
2h 37m stop
11:07 — 13:09 F9145 Frontier Airlines
Denver — Seattle
9h 39m
including layover
Find flight
from$81
08:10 — 15:55
08:10 — 10:31 UA2436 United Airlines
Philadelphia — Denver
3h 24m stop
13:55 — 15:55 UA1823 United Airlines
Denver — Seattle
10h 45m
including layover
Find flight
from$98
10:45 — 00:01
+1 day
10:45 — 13:00 AA1193 American Airlines
Philadelphia — Denver
9h 1m stop
22:01 — 00:01 F9143 Frontier Airlines
Denver — Seattle
16h 16m
including layover
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from$68
10:45 — 21:35
10:45 — 13:00 AA1193 American Airlines
Philadelphia — Denver
6h 35m stop
19:35 — 21:35 UA2223 United Airlines
Denver — Seattle
13h 50m
including layover
Find flight
from$86
14:42 — 22:25
14:42 — 16:12 F91463 Frontier Airlines
Philadelphia — Chicago
3h 33m stop
19:45 — 22:25 UA593 United Airlines
Chicago — Seattle
10h 43m
including layover
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from$91
14:42 — 12:35
+1 day
14:42 — 16:12 F91463 Frontier Airlines
Philadelphia — Chicago
17h 42m stop
09:54 — 12:35 AA1045 American Airlines
Chicago — Seattle
24h 53m
including layover
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from$91
15:30 — 22:25
15:30 — 16:52 UA3474 United Airlines
Philadelphia — Chicago
2h 53m stop
19:45 — 22:25 UA593 United Airlines
Chicago — Seattle
9h 55m
including layover
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from$102
16:40 — 00:01
+1 day
16:40 — 18:40 UA2288 United Airlines
Philadelphia — Denver
3h 21m stop
22:01 — 00:01 F9143 Frontier Airlines
Denver — Seattle
10h 21m
including layover
Find flight
from$80
16:49 — 08:42
+1 day
16:49 — 18:19 F91463 Frontier Airlines
Philadelphia — Chicago
11h 56m stop
06:15 — 08:42 AS51 Alaska Airlines
Chicago — Seattle
18h 53m
including layover
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from$92
17:41 — 22:25
17:41 — 18:55 UA611 United Airlines
Philadelphia — Chicago
50m stop
19:45 — 22:25 UA593 United Airlines
Chicago — Seattle
7h 44m
including layover
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from$102
18:00 — 11:37
+1 day
18:00 — 19:41 AA490 American Airlines
Philadelphia — Chicago
13h 14m stop
08:55 — 11:37 UA467 United Airlines
Chicago — Seattle
20h 37m
including layover
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from$101
19:59 — 12:51
+1 day
19:59 — 22:24 F9171 Frontier Airlines
Philadelphia — Denver
12h 25m stop
10:49 — 12:51 F9145 Frontier Airlines
Denver — Seattle
19h 52m
including layover
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from$71
19:59 — 00:01
+2 days
19:59 — 22:24 F9171 Frontier Airlines
Philadelphia — Denver
23h 37m stop
22:01 — 00:01 F9143 Frontier Airlines
Denver — Seattle
31h 2m
including layover
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from$71
06:35 — 00:01
+1 day
06:35 — 09:20 NK1005 Spirit Airlines
Philadelphia — Miami
1h 35m stop
10:55 — 13:05 NK1242 Spirit Airlines
Miami — Denver
8h 56m stop
22:01 — 00:01 F9143 Frontier Airlines
Denver — Seattle
20h 26m
including layover
Find flight
from$63
07:00 — 00:01
+1 day
07:00 — 09:26 NK215 Spirit Airlines
Philadelphia — Dallas
2h 53m stop
12:19 — 13:26 F9265 Frontier Airlines
Dallas — Denver
8h 35m stop
22:01 — 00:01 F9143 Frontier Airlines
Denver — Seattle
20h 1m
including layover
Find flight
from$73
07:00 — 12:56
+1 day
07:00 — 09:26 NK215 Spirit Airlines
Philadelphia — Dallas
21h 4m stop
06:30 — 07:15 NK360 Spirit Airlines
Dallas — Las Vegas
3h stop
10:15 — 12:56 NK2956 Spirit Airlines
Las Vegas — Seattle
32h 56m
including layover
Find flight
from$76
08:00 — 00:01
+1 day
08:00 — 09:28 F9102 Frontier Airlines
Philadelphia — Raleigh
8h 42m stop
18:10 — 19:58 F9559 Frontier Airlines
Raleigh — Denver
2h 3m stop
22:01 — 00:01 F9143 Frontier Airlines
Denver — Seattle
19h 1m
including layover
Find flight
from$85
09:44 — 21:35
09:44 — 11:33 NK621 Spirit Airlines
Philadelphia — Detroit
1h 27m stop
13:00 — 14:05 NK2106 Spirit Airlines
Detroit — Denver
5h 30m stop
19:35 — 21:35 UA2223 United Airlines
Denver — Seattle
14h 51m
including layover
Find flight
from$96
09:44 — 00:01
+1 day
09:44 — 11:33 NK621 Spirit Airlines
Philadelphia — Detroit
1h 27m stop
13:00 — 14:05 NK2106 Spirit Airlines
Detroit — Denver
7h 56m stop
22:01 — 00:01 F9143 Frontier Airlines
Denver — Seattle
17h 17m
including layover
Find flight
from$96
11:00 — 21:35
11:00 — 13:49 NK1811 Spirit Airlines
Philadelphia — Miami
2h 11m stop
16:00 — 18:19 UA505 United Airlines
Miami — Denver
1h 16m stop
19:35 — 21:35 UA2223 United Airlines
Denver — Seattle
13h 35m
including layover
Find flight
from$89
11:35 — 20:25
11:35 — 12:55 UA5287 United Airlines
Philadelphia — Chicago
1h 40m stop
14:35 — 16:10 UA407 United Airlines
Chicago — Denver
2h 25m stop
18:35 — 20:25 AS921 Alaska Airlines
Denver — Seattle
11h 50m
including layover
Find flight
from$103
12:32 — 08:41
+1 day
12:32 — 15:12 NK309 Spirit Airlines
Philadelphia — Orlando
5h 39m stop
20:51 — 22:39 F91105 Frontier Airlines
Orlando — Las Vegas
7h 21m stop
06:00 — 08:41 F92167 Frontier Airlines
Las Vegas — Seattle
23h 9m
including layover
Find flight
from$81
12:32 — 08:42
+1 day
12:32 — 15:12 NK309 Spirit Airlines
Philadelphia — Orlando
5h 10m stop
20:22 — 22:36 F91154 Frontier Airlines
Orlando — Chicago
7h 39m stop
06:15 — 08:42 AS51 Alaska Airlines
Chicago — Seattle
23h 10m
including layover
Find flight
from$102
15:29 — 08:41
+1 day
15:29 — 18:08 F91167 Frontier Airlines
Philadelphia — Orlando
2h 43m stop
20:51 — 22:39 F91105 Frontier Airlines
Orlando — Las Vegas
7h 21m stop
06:00 — 08:41 F92167 Frontier Airlines
Las Vegas — Seattle
20h 12m
including layover
Find flight
from$91
17:29 — 00:01
+2 days
17:29 — 20:09 NK753 Spirit Airlines
Philadelphia — Orlando
12h 46m stop
08:55 — 10:55 F9679 Frontier Airlines
Orlando — Denver
11h 6m stop
22:01 — 00:01 F9143 Frontier Airlines
Denver — Seattle
33h 32m
including layover
Find flight
from$81
18:00 — 13:01
+1 day
18:00 — 19:41 AA490 American Airlines
Philadelphia — Chicago
10h 19m stop
06:00 — 07:45 F9411 Frontier Airlines
Chicago — Denver
3h 14m stop
10:59 — 13:01 F9145 Frontier Airlines
Denver — Seattle
22h 1m
including layover
Find flight
from$68
20:30 — 12:51
+1 day
20:30 — 23:08 AA2556 American Airlines
Philadelphia — Tampa
8h 17m stop
07:25 — 09:15 F9291 Frontier Airlines
Tampa — Denver
1h 34m stop
10:49 — 12:51 F9145 Frontier Airlines
Denver — Seattle
19h 21m
including layover
Find flight
from$97
20:50 — 00:01
+2 days
20:50 — 23:29 AA2369 American Airlines
Philadelphia — Orlando
9h 26m stop
08:55 — 10:55 F9679 Frontier Airlines
Orlando — Denver
11h 6m stop
22:01 — 00:01 F9143 Frontier Airlines
Denver — Seattle
30h 11m
including layover
Find flight
from$101
21:14 — 00:01
+2 days
21:14 — 23:58 F91169 Frontier Airlines
Philadelphia — Orlando
8h 57m stop
08:55 — 10:55 F9679 Frontier Airlines
Orlando — Denver
11h 6m stop
22:01 — 00:01 F9143 Frontier Airlines
Denver — Seattle
29h 47m
including layover
Find flight
from$80
*Departure and arrival times - local. Updated on April 28, 2024

Flight Information

Below we will explain in detail what the flights cost on the destination from Philadelphia to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Philadelphia and Seattle is 3817 miles. Time difference between the cities is 3h. Airplanes depart 05:00 to 21:14 from 4 Philadelphia airports and arrive 05:00 to 21:14 to 3 Seattle airports. Average flight time is 5h 45m.

  • The fastest flight 5h 45m
  • Average flight time 5h 45m
  • The earliest flight 05:00
  • The latest flight 21:14
  • Distance 2372 ml

What is the lowest airfare Philadelphia to Seattle?

The cheapest plane ticket found by our users is $63. This airfare is for economy class on one-way NK1005 flight by Spirit Airlines for August 26, 2020 which leaves Philadelphia Int. in Philadelphia at 06:35 am and arrives at Seattle Seattle-Tacoma Intl at 00:01.

Economy class
$63
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Business class
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First class
?
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Popular Airlines on the Route

The flight Philadelphia — Seattle is served by 8 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by American Airlines - 76 departures per week at the price of from $ 68 . And the most expensive tickets are offered by Southwest Airlines airline - from $ 624.

Direct flights

There are 3 nonstop flights on the route. The fastest direct flight is AS279 by Alaska Airlines takes 5h 45m and the cheapest is NK1005 by Spirit Airlines for $126.

  • AS - Alaska Airlines
    from $126
    Find
See more direct flights

Connecting Flights

There are 192 flights with layovers on the route. The fastest connecting flight is DL5084 by Delta Air Lines Inc. takes 7h 36m and the cheapest is NK1005 by Spirit Airlines for $63.

  • AA - American Airlines
    from $68
    Find
  • F9 - Frontier Airlines
    from $71
    Find
  • B6 - JetBlue
    from $130
    Find
  • WN - Southwest Airlines
    from $81
    Find
  • DL - Delta Air Lines Inc.
    from $145
    Find
  • UA - United Airlines
    from $80
    Find
  • NK - Spirit Airlines
    from $63
    Find
See more connecting flights

Airports

You can fly from Philadelphia to Seattle from 4 airports (Philadelphia Int., North Philadelphia, Mustin Alf, Philadelphia Sea Plane Base).

Philadelphia airports

  • Philadelphia Int.-PHL
    from $63
    Find
  • North Philadelphia-PNE
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  • Mustin Alf-MUV
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  • Philadelphia Sea Plane Base-PSQ
    Find

Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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