Cheap Flights from Philadelphia International Airport to Seattle-Tacoma International Airport
Search for flights from Philadelphia to Seattle and check out affordable one-way and round-trip options.
- Round-trip
- One way
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- Cheapest nonstop
PHL 18:456h 14mNonstopSEA 21:59Philadelphia - Seattle | Sat, Jul 4 | Delta Air Lines
SEA 21:205h 9mNonstopPHL 05:29Seattle - Philadelphia | Tue, Jul 7 | Delta Air LinesAED 1,222 AED 1,63525% off25% offAED 1,635 AED 1,222 -
PHL 18:456h 14mNonstopSEA 21:59Philadelphia - Seattle | Fri, Jun 19 | Delta Air Lines
SEA 09:255h 10mNonstopPHL 17:35Seattle - Philadelphia | Mon, Jun 22 | Delta Air LinesAED 1,223 AED 1,63525% off25% offAED 1,635 AED 1,223 -
PHL 18:456h 14mNonstopSEA 21:59Philadelphia - Seattle | Wed, Jun 17 | Delta Air Lines
SEA 09:255h 10mNonstopPHL 17:35Seattle - Philadelphia | Wed, Jun 24 | Delta Air LinesAED 1,228 AED 1,63525% off25% offAED 1,635 AED 1,228 -
PHL 07:055h 56mNonstopSEA 10:01Philadelphia - Seattle | Sat, Aug 1 | Delta Air Lines
SEA 21:295h 11mNonstopPHL 05:40Seattle - Philadelphia | Fri, Aug 7 | Delta Air LinesAED 1,22825% offAED 1,635 AED 1,228 -
PHL 18:456h 14mNonstopSEA 21:59Philadelphia - Seattle | Sun, Jun 28 | Delta Air Lines
SEA 09:255h 10mNonstopPHL 17:35Seattle - Philadelphia | Sat, Jul 4 | Delta Air LinesAED 1,23425% offAED 1,635 AED 1,234 -
PHL 07:055h 56mNonstopSEA 10:01Philadelphia - Seattle | Tue, Jul 21 | Delta Air Lines
SEA 21:205h 9mNonstopPHL 05:29Seattle - Philadelphia | Tue, Jul 28 | Delta Air LinesAED 1,23425% offAED 1,635 AED 1,234 -
PHL 19:356h 21mNonstopSEA 22:56Philadelphia - Seattle | Sat, Jul 4 | American Airlines
SEA 21:205h 9mNonstopPHL 05:29Seattle - Philadelphia | Tue, Jul 7 | Delta Air LinesAED 1,23824% offAED 1,635 AED 1,238 -
PHL 19:356h 23mNonstopSEA 22:58Philadelphia - Seattle | Tue, Jun 16 | American Airlines
SEA 09:255h 10mNonstopPHL 17:35Seattle - Philadelphia | Fri, Jun 19 | Delta Air LinesAED 1,24224% offAED 1,635 AED 1,242 -
PHL 12:4424h 5m1 stopSEA 09:49Philadelphia - Seattle | Sun, Jul 12 | Frontier Airlines
SEA 21:205h 9mNonstopPHL 05:29Seattle - Philadelphia | Thu, Jul 16 | Delta Air LinesAED 1,11532% offAED 1,635 AED 1,115 -
PHL 06:259h1 stopSEA 12:25Philadelphia - Seattle | Tue, Jun 16 | Delta Air Lines
SEA 09:255h 10mNonstopPHL 17:35Seattle - Philadelphia | Fri, Jun 19 | Delta Air LinesAED 1,24224% offAED 1,635 AED 1,242 -
PHL 13:0017h 25m1 stopSEA 14:00Philadelphia - Seattle | Wed, Jun 17 | Normal Airline
SEA 15:006hNonstopPHL 16:00Seattle - Philadelphia | Fri, Jun 19 | Normal AirlineFind more flightsFind more flights
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Cheapest nonstop
PHL 07:055h 56mNonstopSEA 10:01Philadelphia - Seattle | Tue, Jul 28 | Delta Air LinesAED 614 AED 83526% off26% offAED 835 AED 614 -
PHL 18:456h 14mNonstopSEA 21:59Philadelphia - Seattle | Sat, Jul 4 | Delta Air LinesAED 614 AED 83526% off26% offAED 835 AED 614 -
PHL 07:055h 56mNonstopSEA 10:01Philadelphia - Seattle | Wed, Jul 29 | Delta Air LinesAED 614 AED 83526% off26% offAED 835 AED 614 -
PHL 18:176h 18mNonstopSEA 21:35Philadelphia - Seattle | Tue, Jun 30 | American AirlinesAED 62725% offAED 835 AED 627 -
PHL 19:356h 21mNonstopSEA 22:56Philadelphia - Seattle | Sat, Jul 11 | American AirlinesAED 63025% offAED 835 AED 630 -
PHL 06:0011h 30m1 stopSEA 14:30Philadelphia - Seattle | Tue, Jul 21 | United AirlinesAED 50140% offAED 835 AED 501 -
PHL 20:3715h 40m1 stopSEA 09:17Philadelphia - Seattle | Mon, Aug 3 | Frontier AirlinesAED 52537% offAED 835 AED 525 -
PHL 20:3715h 27m1 stopSEA 09:04Philadelphia - Seattle | Mon, Aug 10 | Frontier AirlinesAED 55733% offAED 835 AED 557 -
PHL 18:558h 4m1 stopSEA 23:59Philadelphia - Seattle | Mon, Jul 20 | Delta Air LinesAED 63424% offAED 835 AED 634 -
PHL 18:578h 2m1 stopSEA 23:59Philadelphia - Seattle | Fri, Jul 3 | Delta Air LinesAED 63424% offAED 835 AED 634 -
PHL 13:0017h 25m1 stopSEA 14:00Philadelphia - Seattle | Wed, Jun 17 | Normal AirlineFind more flightsFind more flights
Displayed flight fares from Philadelphia International Airport to Seattle-Tacoma International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.
Trip.com Price Insights: Flights from Philadelphia International Airport to Seattle-Tacoma International Airport
What is the cheapest month for one-way flights from Philadelphia International Airport to Seattle-Tacoma International Airport?
Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Philadelphia International Airport to Seattle-Tacoma International Airport, the best time to buy is in March, with an average price of AED 611. You’ll want to avoid July, when the average price can reach as high as AED 1,403.
What is the cheapest day of the week to fly from Philadelphia International Airport to Seattle-Tacoma International Airport?
Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Philadelphia International Airport to Seattle-Tacoma International Airport is Tuesday, with average fares typically lower than other days. You’ll want to avoid flying on Sunday, as ticket prices are usually the highest that day.
Selected Airlines from Philadelphia International Airport to Seattle-Tacoma International Airport
See which airlines fly from Philadelphia to Seattle. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.








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Flight Schedule from Philadelphia International Airport to Seattle-Tacoma International Airport
Check the schedule for flights from Philadelphia to Seattle and find the flight that best matches your travel plans.

DL2092
Philadelphia International Airport
07:05
PHL
09:55
SEA
S M T W T - SSearch
AA2522
Philadelphia International Airport
18:17
PHL
21:35
SEA
S M T W T F SSearch
AA3259
Philadelphia International Airport
19:35
PHL
22:58
SEA
S M T W T F SSearch
DL2594
Philadelphia International Airport
18:57
PHL
21:01
MSP
S M T W T - SSearch
DL505
Minneapolis-Saint Paul International Airport
21:55
MSP
23:55
SEA
S - - W T - S
DL2688
Philadelphia International Airport
11:45
PHL
13:44
MSP
S M T W T F SSearch
DL505
Minneapolis-Saint Paul International Airport
21:55
MSP
23:55
SEA
S - - W T - S
DL2022
Philadelphia International Airport
18:53
PHL
21:50
SLC
S - - W T - SSearch
DL2998
Salt Lake City International Airport
22:45
SLC
00:11
SEA
S - - W T - S
DL1391
Philadelphia International Airport
17:15
PHL
19:02
DTW
S M T W T F SSearch
DL565
Detroit Metropolitan Wayne County Airport
19:55
DTW
22:05
SEA
S M T W T F S
AS1461
Philadelphia International Airport
17:15
PHL
20:06
PDX
S M T W T F SSearch
AS3408
Portland International Airport
15:30
PDX
16:30
SEA
S M T W T F S
DL2131
Philadelphia International Airport
16:10
PHL
18:25
ATL
S M T W T F SSearch
DL903
Hartsfield-Jackson Atlanta International Airport
21:35
ATL
00:09
SEA
S M T W T F S
DL1100
Philadelphia International Airport
10:21
PHL
12:36
ATL
S M T W T - SSearch
DL472
Hartsfield-Jackson Atlanta International Airport
16:25
ATL
18:59
SEA
S M T W T F S
Philadelphia International Airport to Seattle-Tacoma International Airport Flights Info
| Flight distance | 3,821.03 km |
|---|---|
| Cheapest one-way ticket price | AED 501 |
| Cheapest return ticket price | AED 1,115 |
FAQs for Philadelphia International Airport to Seattle-Tacoma International Airport Flights
How long does it take to fly from Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA)?
It takes around 6 hours 19 minutes to fly from Philadelphia International Airport (phl) to Seattle-Tacoma International Airport (sea).How many daily flights are there from Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA)?
There are around 3 daily flights from Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA).When are flight tickets from Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA) the cheapest?
Tickets cost around AED 1,197 in July, making it the cheapest month to book. Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA) is a popular route, so don't forget to book your tickets in advance.When are flight tickets from Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA) most expensive?
The route from Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around AED 2,072 in August, the most expensive month to book this route.What time does the earliest flight from Philadelphia International Airport to Seattle-Tacoma International Airport depart?
The earliest flight departs from Philadelphia International Airport (PHL) at 07:20 and arrives in Seattle-Tacoma International Airport (SEA) at 10:12.What time does the latest flight from Philadelphia International Airport to Seattle-Tacoma International Airport depart?
The latest flight departs from Philadelphia International Airport (PHL) at 19:10 and arrives in Seattle-Tacoma International Airport (SEA) at 22:26.What is the transportation method from the main airport to downtown in Seattle?
- The distance from Seattle-Tacoma International Airport to downtown is about 17 km, by taxi about 30 minutes.
Which airline operates the most direct flights from Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA)?
American Airlines is a very popular airline operating an average of 812 flights per month.
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