How can I find cheap flights from Philadelphia International Airport to Seattle Tacoma Intl. Airport?
Explore the cheapest one-way and round-trip flights from Philadelphia International Airport to Seattle Tacoma Intl. Airport over the next 90 days, with one-way fares from INR 15,179 and round-trip from INR 35,033. Based on Trip.com's latest 7-day flight data.
- Round-trip
- Cheapest
- Nonstop
- Recommended
- Next 7 days
- Fastest
- Cheapest nonstop
PHL 5:56 PM6h 9mNonstopSEA 9:05 PMPhiladelphia - Seattle | Wed, Dec 2 | Alaska Airlines
SEA 9:15 PM5h 12mNonstopPHL 5:27 AMSeattle - Philadelphia | Sat, Dec 5 | Alaska AirlinesINR 35,033 INR 41,91116% off16% offINR 41,911 INR 35,033
PHL 6:11 PM6h 42mNonstopSEA 9:53 PMPhiladelphia - Seattle | Sat, Dec 5 | Alaska Airlines
SEA 9:35 PM5h 5mNonstopPHL 5:40 AMSeattle - Philadelphia | Mon, Dec 7 | Alaska AirlinesINR 35,765 INR 41,91115% off15% offINR 41,911 INR 35,765
PHL 6:35 PM6h 24mNonstopSEA 9:59 PMPhiladelphia - Seattle | Wed, Dec 2 | American Airlines
SEA 9:15 AM5h 7mNonstopPHL 5:22 PMSeattle - Philadelphia | Sat, Dec 5 | American AirlinesINR 35,807 INR 41,91115% off15% offINR 41,911 INR 35,807
PHL 5:56 PM6h 9mNonstopSEA 9:05 PMPhiladelphia - Seattle | Thu, Dec 3 | Alaska Airlines
SEA 9:15 PM5h 12mNonstopPHL 5:27 AMSeattle - Philadelphia | Thu, Dec 10 | Alaska AirlinesINR 36,04714% offINR 41,911 INR 36,047
PHL 7:00 AM6h 7mNonstopSEA 10:07 AMPhiladelphia - Seattle | Mon, Nov 23 | Alaska Airlines
SEA 9:34 PM5h 6mNonstopPHL 5:40 AMSeattle - Philadelphia | Mon, Nov 30 | Alaska AirlinesINR 36,53913% offINR 41,911 INR 36,539
PHL 7:02 AM6h 6mNonstopSEA 10:08 AMPhiladelphia - Seattle | Thu, Nov 12 | Alaska Airlines
SEA 9:28 PM5h 4mNonstopPHL 5:32 AMSeattle - Philadelphia | Thu, Nov 19 | Alaska AirlinesINR 36,65213% offINR 41,911 INR 36,652
PHL 7:02 AM6h 6mNonstopSEA 10:08 AMPhiladelphia - Seattle | Tue, Nov 10 | Alaska Airlines
SEA 8:32 AM5h 13mNonstopPHL 4:45 PMSeattle - Philadelphia | Tue, Nov 17 | Alaska AirlinesINR 36,76512% offINR 41,911 INR 36,765
PHL 7:00 AM6h 28mNonstopSEA 10:28 AMPhiladelphia - Seattle | Sun, Dec 6 | Alaska Airlines
SEA 9:05 AM5h 3mNonstopPHL 5:08 PMSeattle - Philadelphia | Sun, Dec 13 | Alaska AirlinesINR 37,10311% offINR 41,911 INR 37,103
PHL 7:00 PM6h 38mNonstopSEA 10:38 PMPhiladelphia - Seattle | Sat, Dec 5 | American Airlines
SEA 9:15 AM5h 8mNonstopPHL 5:23 PMSeattle - Philadelphia | Mon, Dec 7 | American AirlinesINR 37,30011% offINR 41,911 INR 37,300
PHL 1:00 PM17h 25m1 stopSEA 2:00 PMPhiladelphia - Seattle | Tue, Nov 10 | Normal Airline
SEA 3:00 PM6hNonstopPHL 4:00 PMSeattle - Philadelphia | Thu, Nov 12 | Normal AirlineFind more flightsFind more flights
- Cheapest
PHL 9:55 PM17h 42m1 stopSEA 12:37 PMPhiladelphia - Seattle | Wed, Nov 25 | Frontier AirlinesINR 15,179 INR 19,93524% off24% offINR 19,935 INR 15,179
PHL 7:05 AM6h 19mNonstopSEA 10:24 AMPhiladelphia - Seattle | Wed, Nov 18 | Delta Air LinesINR 15,855 INR 19,93520% off20% offINR 19,935 INR 15,855
PHL 7:05 AM6h 19mNonstopSEA 10:24 AMPhiladelphia - Seattle | Thu, Nov 19 | Delta Air LinesINR 15,940 INR 19,93520% off20% offINR 19,935 INR 15,940
PHL 6:36 PM6h 35mNonstopSEA 10:11 PMPhiladelphia - Seattle | Thu, Nov 19 | American AirlinesINR 16,40418% offINR 19,935 INR 16,404
PHL 7:05 AM6h 19mNonstopSEA 10:24 AMPhiladelphia - Seattle | Sat, Nov 21 | Delta Air LinesINR 16,44717% offINR 19,935 INR 16,447
PHL 4:25 PM9h 9m1 stopSEA 10:34 PMPhiladelphia - Seattle | Wed, Nov 18 | Alaska AirlinesINR 17,09414% offINR 19,935 INR 17,094
PHL 6:10 AM11h 8m1 stopSEA 2:18 PMPhiladelphia - Seattle | Wed, Nov 18 | United AirlinesINR 17,44612% offINR 19,935 INR 17,446
PHL 7:30 AM8h 20m1 stopSEA 12:50 PMPhiladelphia - Seattle | Thu, Dec 3 | Hahn AirINR 17,74211% offINR 19,935 INR 17,742
PHL 6:11 PM6h 42mNonstopSEA 9:53 PMPhiladelphia - Seattle | Thu, Dec 10 | Alaska AirlinesINR 18,17833% offINR 27,118 INR 18,178
PHL 1:00 PM17h 25m1 stopSEA 2:00 PMPhiladelphia - Seattle | Tue, Nov 10 | Normal AirlineFind more flightsFind more flights
- Cheapest nonstop
PHL 7:05 AM6h 19mNonstopSEA 10:24 AMPhiladelphia - Seattle | Wed, Nov 18 | Delta Air LinesINR 15,855 INR 19,93520% off20% offINR 19,935 INR 15,855
PHL 7:05 AM6h 19mNonstopSEA 10:24 AMPhiladelphia - Seattle | Thu, Nov 19 | Delta Air LinesINR 15,940 INR 19,93520% off20% offINR 19,935 INR 15,940
PHL 6:36 PM6h 35mNonstopSEA 10:11 PMPhiladelphia - Seattle | Thu, Nov 19 | American AirlinesINR 16,404 INR 19,93518% off18% offINR 19,935 INR 16,404
PHL 7:05 AM6h 19mNonstopSEA 10:24 AMPhiladelphia - Seattle | Sat, Nov 21 | Delta Air LinesINR 16,44717% offINR 19,935 INR 16,447
PHL 6:11 PM6h 42mNonstopSEA 9:53 PMPhiladelphia - Seattle | Thu, Dec 10 | Alaska AirlinesINR 18,17833% offINR 27,118 INR 18,178
PHL 7:02 AM6h 27mNonstopSEA 10:29 AMPhiladelphia - Seattle | Thu, Dec 17 | Alaska AirlinesINR 18,17833% offINR 27,118 INR 18,178
PHL 7:00 AM6h 7mNonstopSEA 10:07 AMPhiladelphia - Seattle | Thu, Nov 26 | Alaska AirlinesINR 18,23533% offINR 27,118 INR 18,235
PHL 6:11 PM6h 42mNonstopSEA 9:53 PMPhiladelphia - Seattle | Wed, Dec 2 | Alaska AirlinesINR 18,23533% offINR 27,118 INR 18,235
PHL 6:14 PM6h 14mNonstopSEA 9:28 PMPhiladelphia - Seattle | Wed, Jan 6 | Alaska AirlinesINR 18,34732% offINR 27,118 INR 18,347
PHL 1:00 PM17h 25m1 stopSEA 2:00 PMPhiladelphia - Seattle | Tue, Nov 10 | Normal AirlineFind more flightsFind more flights
- Cheapest nonstop
PHL 7:02 AM6h 27mNonstopSEA 10:29 AMPhiladelphia - Seattle | Thu, Dec 17 | Alaska AirlinesINR 18,178 INR 42,78057% off57% offINR 42,780 INR 18,178
PHL 6:11 PM6h 42mNonstopSEA 9:53 PMPhiladelphia - Seattle | Thu, Dec 10 | Alaska AirlinesINR 18,178 INR 42,78057% off57% offINR 42,780 INR 18,178
PHL 7:00 AM6h 7mNonstopSEA 10:07 AMPhiladelphia - Seattle | Thu, Nov 26 | Alaska AirlinesINR 18,235 INR 42,78056% off56% offINR 42,780 INR 18,235
PHL 6:11 PM6h 42mNonstopSEA 9:53 PMPhiladelphia - Seattle | Wed, Dec 2 | Alaska AirlinesINR 18,23556% offINR 42,780 INR 18,235
PHL 6:14 PM6h 14mNonstopSEA 9:28 PMPhiladelphia - Seattle | Wed, Jan 6 | Alaska AirlinesINR 18,34756% offINR 42,780 INR 18,347
PHL 6:14 PM6h 14mNonstopSEA 9:28 PMPhiladelphia - Seattle | Thu, Jan 7 | Alaska AirlinesINR 18,36256% offINR 42,780 INR 18,362
PHL 6:14 PM6h 14mNonstopSEA 9:28 PMPhiladelphia - Seattle | Fri, Jan 8 | Alaska AirlinesINR 18,39056% offINR 42,780 INR 18,390
PHL 6:11 PM6h 42mNonstopSEA 9:53 PMPhiladelphia - Seattle | Sat, Dec 12 | Alaska AirlinesINR 18,51656% offINR 42,780 INR 18,516
PHL 8:10 AM6h 35mNonstopSEA 11:45 AMPhiladelphia - Seattle | Tue, Dec 1 | American AirlinesINR 18,72856% offINR 42,780 INR 18,728
PHL 1:00 PM17h 25m1 stopSEA 2:00 PMPhiladelphia - Seattle | Tue, Nov 10 | Normal AirlineFind more flightsFind more flights
- Cheapest nonstop
PHL 5:49 PM6h 10mNonstopSEA 8:59 PMPhiladelphia - Seattle | Sat, Nov 14 | Alaska AirlinesINR 21,234 INR 42,62250% off50% offINR 42,622 INR 21,234
PHL 5:49 PM6h 10mNonstopSEA 8:59 PMPhiladelphia - Seattle | Mon, Nov 9 | Alaska AirlinesINR 31,006 INR 42,62227% off27% offINR 42,622 INR 31,006
PHL 7:02 AM6h 6mNonstopSEA 10:08 AMPhiladelphia - Seattle | Wed, Nov 11 | Alaska AirlinesINR 31,006 INR 42,62227% off27% offINR 42,622 INR 31,006
PHL 7:02 AM6h 6mNonstopSEA 10:08 AMPhiladelphia - Seattle | Sun, Nov 15 | Alaska AirlinesINR 31,30227% offINR 42,622 INR 31,302
PHL 3:00 PM8h 46m1 stopSEA 8:46 PMPhiladelphia - Seattle | Sat, Nov 14 | Delta Air LinesINR 22,50147% offINR 42,622 INR 22,501
PHL 9:45 AM8h 47m1 stopSEA 3:32 PMPhiladelphia - Seattle | Sat, Nov 14 | United AirlinesINR 23,38845% offINR 42,622 INR 23,388
PHL 7:11 PM7h 46m1 stopSEA 11:57 PMPhiladelphia - Seattle | Mon, Nov 9 | Delta Air LinesINR 32,37224% offINR 42,622 INR 32,372
PHL 12:20 PM9h 17m1 stopSEA 6:37 PMPhiladelphia - Seattle | Wed, Nov 11 | Delta Air LinesINR 32,37224% offINR 42,622 INR 32,372
PHL 6:58 PM8h 1m1 stopSEA 11:59 PMPhiladelphia - Seattle | Sun, Nov 15 | Delta Air LinesINR 32,68123% offINR 42,622 INR 32,681
PHL 1:00 PM17h 25m1 stopSEA 2:00 PMPhiladelphia - Seattle | Tue, Nov 10 | Normal AirlineFind more flightsFind more flights
PHL 7:00 AM6h 7mNonstopSEA 10:07 AMPhiladelphia - Seattle | Thu, Nov 26 | Alaska AirlinesINR 18,235 INR 27,11833% off33% offINR 27,118 INR 18,235
PHL 7:00 AM6h 7mNonstopSEA 10:07 AMPhiladelphia - Seattle | Wed, Nov 25 | Alaska AirlinesINR 24,135 INR 27,11811% off11% offINR 27,118 INR 24,135
PHL 6:46 PM6h 10mNonstopSEA 9:56 PMPhiladelphia - Seattle | Fri, Nov 27 | Alaska AirlinesINR 49,677 INR 55,81711% off11% offINR 55,817 INR 49,677
PHL 6:14 PM6h 14mNonstopSEA 9:28 PMPhiladelphia - Seattle | Wed, Jan 6 | Alaska AirlinesINR 18,34732% offINR 27,118 INR 18,347
PHL 6:14 PM6h 14mNonstopSEA 9:28 PMPhiladelphia - Seattle | Thu, Jan 7 | Alaska AirlinesINR 18,36232% offINR 27,118 INR 18,362
PHL 6:14 PM6h 14mNonstopSEA 9:28 PMPhiladelphia - Seattle | Fri, Jan 8 | Alaska AirlinesINR 18,39032% offINR 27,118 INR 18,390
PHL 6:14 PM6h 14mNonstopSEA 9:28 PMPhiladelphia - Seattle | Tue, Jan 5 | Alaska AirlinesINR 22,93859% offINR 55,817 INR 22,938
PHL 7:05 AM6h 19mNonstopSEA 10:24 AMPhiladelphia - Seattle | Wed, Nov 18 | Delta Air LinesINR 15,85520% offINR 19,935 INR 15,855
PHL 7:05 AM6h 19mNonstopSEA 10:24 AMPhiladelphia - Seattle | Thu, Nov 19 | Delta Air LinesINR 15,94020% offINR 19,935 INR 15,940
PHL 1:00 PM17h 25m1 stopSEA 2:00 PMPhiladelphia - Seattle | Tue, Nov 10 | Normal AirlineFind more flightsFind more flights
Displayed flight fares from Philadelphia to Seattle 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 Intl. Airport
What is the cheapest month for one-way flights from Philadelphia International Airport to Seattle Tacoma Intl. 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 Intl. Airport, the best time to buy is in March, with an average price of INR 15,806. You’ll want to avoid August, when the average price can reach as high as INR 42,425.
What is the cheapest day of the week to fly from Philadelphia International Airport to Seattle Tacoma Intl. Airport?
Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Philadelphia International Airport to Seattle Tacoma Intl. Airport is Saturday, with average fares typically lower than other days. You’ll want to avoid flying on Friday, as ticket prices are usually the highest that day.
Which airline offers the cheapest flights from Philadelphia International Airport to Seattle Tacoma Intl. Airport?
The cheapest airline flying from Philadelphia International Airport to Seattle Tacoma Intl. Airport is Frontier Airlines (from INR 13,363) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.







Find more flights and airlines
What is the flight schedule from Philadelphia International Airport to Seattle Tacoma Intl. Airport?
Check the schedule for flights from Philadelphia to Seattle and find the flight that best matches your travel plans.
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DL2092
Philadelphia International Airport
8:26 AM
PHL
11:24 AM
SEA
S M T W T F SSearch -
AS370
Philadelphia International Airport
7:02 AM
PHL
10:08 AM
SEA
S M T W T F SSearch -
AA2500
Philadelphia International Airport
6:35 PM
PHL
9:59 PM
SEA
S M T W T F SSearch -
AS443
Philadelphia International Airport
6:46 PM
PHL
9:56 PM
SEA
S M T W T F SSearch -
DL2829
Philadelphia International Airport
6:40 PM
PHL
9:47 PM
SLC
S - - W T - SSearch -
DL2998
Salt Lake City International Airport
10:45 PM
SLC
12:11 AM
SEA
S M T W T F S -
AA1850
Philadelphia International Airport
12:47 PM
PHL
4:06 PM
PHX
S M T W T F SSearch -
AA2177
Phoenix Sky Harbor International Airport
6:28 PM
PHX
8:41 PM
SEA
S M T W T F S -
UA2661
Philadelphia International Airport
6:00 AM
PHL
9:22 AM
SFO
S - - W T F SSearch -
UA2744
San Francisco Intl. Airport
12:22 PM
SFO
2:39 PM
SEA
S M T W T F S -
DL2270
Philadelphia International Airport
12:09 PM
PHL
2:26 PM
ATL
S M T W T F SSearch -
DL714
Hartsfield–Jackson Atlanta International Airport
6:10 PM
ATL
8:46 PM
SEA
S M T W T F S -
F91147
Philadelphia International Airport
5:14 PM
PHL
7:54 PM
ATL
S M T W T F SSearch -
F93923
Hartsfield–Jackson Atlanta International Airport
9:32 PM
ATL
11:08 PM
LAS
S M T W T F S -
F92407
Harry Reid Intl. Airport
7:35 AM
LAS
10:38 AM
SEA
S - - W T - S
About Philadelphia International Airport and Seattle Tacoma Intl. Airport
Learn about Philadelphia International Airport (PHL) and Seattle Tacoma Intl. Airport (SEA) — including location, terminals, transportation, and travel tips.
| Flight distance | 3,821.03 km |
|---|---|
| Cheapest one-way ticket price | INR 15,179 |
| Cheapest return ticket price | INR 33,357 |
FAQs for Philadelphia International Airport to Seattle Tacoma Intl. Airport Flights
How long is the flight from Philadelphia International Airport to Seattle Tacoma Intl. Airport?
Philadelphia International Airport to Seattle Tacoma Intl. Airport takes about 5 hours 30 minutes on average. Actual flight time may vary depending on route, weather and air traffic.How many daily flights are there from Philadelphia International Airport (PHL) to Seattle Tacoma Intl. Airport (SEA)?
There are around 3 daily flights from Philadelphia International Airport (PHL) to Seattle Tacoma Intl. Airport (SEA).What is the flight schedule from Philadelphia International Airport to Seattle Tacoma Intl. Airport?
The earliest flight from Philadelphia International Airport to Seattle Tacoma Intl. Airport departs at 07:00, and the last departs at 19:35, with about 8 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.When are flight tickets from Philadelphia International Airport (PHL) to Seattle Tacoma Intl. Airport (SEA) most expensive?
The route from Philadelphia International Airport (PHL) to Seattle Tacoma Intl. Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around INR 38,046 in November, the most expensive month to book this route.What time does the earliest flight from Philadelphia International Airport to Seattle Tacoma Intl. Airport depart?
The earliest flight departs from Philadelphia International Airport (PHL) at 07:02 and arrives in Seattle Tacoma Intl. Airport (SEA) at 10:13.What time does the latest flight from Philadelphia International Airport to Seattle Tacoma Intl. Airport depart?
The latest flight departs from Philadelphia International Airport (PHL) at 19:12 and arrives in Seattle Tacoma Intl. Airport (SEA) at 22:30.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. It takes about 30 minutes by taxi.
Which airline operates the most direct flights from Philadelphia International Airport (PHL) to Seattle Tacoma Intl. Airport (SEA)?
American Airlines is a very popular airline operating an average of 812 flights per month.What are the cheapest flights from Philadelphia International Airport to Seattle Tacoma Intl. Airport?
One-way flights from Philadelphia International Airport to Seattle Tacoma Intl. Airport currently start from INR 15,179, and round-trip fares start from INR 33,357. The current lowest fare is a Frontier Airlines flight departing on Wed, Nov 25; prices may vary depending on availability.Which airlines offer direct flights from Philadelphia International Airport to Seattle Tacoma Intl. Airport?
Yes. Alaska Airlines, American Airlines and Delta Air Lines operate direct flights from Philadelphia International Airport to Seattle Tacoma Intl. Airport, with an average flight time of 5 hours 16 minutes, and around 30 weekly flights. Actual flight frequency may vary by season.What is the average price of a flight from Philadelphia International Airport to Seattle Tacoma Intl. Airport?
Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Philadelphia International Airport to Seattle Tacoma Intl. Airport is INR 28,735. Prices may vary depending on the departure date, airline, and availability.How many weekly flights are there from Philadelphia International Airport to Seattle Tacoma Intl. Airport?
Philadelphia International Airport to Seattle Tacoma Intl. Airport operates around 32 weekly flights, mainly by Alaska Airlines, American Airlines and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.How do I book flights from Philadelphia International Airport to Seattle Tacoma Intl. Airport on Trip.com?
Enter Philadelphia International Airport and Seattle Tacoma Intl. Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.
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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.