$147+ Cheap flights from Seattle (SEA) to Pennsylvania
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHL
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Pennsylvania with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Seattle to PennsylvaniaExplore the most affordable flight options available from Seattle to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
Explore the most affordable flight options available from Seattle to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:40 am -
2 stops9h 50m
Tue 12/154:00 pm -
2 stops10h 35m
Deal found 10/20![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:45 am -
2 stops11h 50m
Tue 12/83:45 pm -
2 stops10h 05m
Deal found 10/20![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
1 stop6h 35m
Sun 11/228:00 pm -
1 stop7h 35m
Deal found 10/20![Southwest logo]()
$315
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:05 am -
2 stops8h 50m
Wed 11/252:07 pm -
1 stop7h 56m
Deal found 10/21![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:30 am -
2 stops9h 20m
Tue 12/155:40 pm -
1 stop8h 10m
Deal found 10/22![Southwest logo]()
$320
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:38 pm -
1 stop7h 22m
Mon 11/162:59 pm -
1 stop10h 35m
Deal found 10/22![American Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:00 am -
1 stop8h 24m
Mon 12/73:39 pm -
1 stop9h 19m
Deal found 10/19![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:35 pm -
1 stop6h 50m
Fri 12/115:50 pm -
1 stop9h 55m
Deal found 10/20![Southwest logo]()
$337
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:30 pm -
1 stop6h 29m
Thu 11/266:12 am -
2 stops11h 27m
Deal found 10/21![United Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:05 am -
1 stop6h 31m
Thu 11/122:07 pm -
2 stops10h 12m
Deal found 10/20![United Airlines logo]()
$339
This Expedia deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:53 pm -
1 stop29h 08m
Mon 11/237:00 am -
Nonstop6h 07m
Deal found 10/22![Multiple Airlines logo]()
$379
This Cheapflightsfares deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:53 pm -
1 stop29h 08m
Sun 11/229:55 pm -
1 stop17h 42m
Deal found 10/19![Frontier logo]()
$380
Best flights from Seattle to PennsylvaniaDiscover carefully curated flight deals from Seattle to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Seattle to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:35 pm -
1 stop6h 50m
Sun 12/66:25 pm -
1 stop7h 40m
Deal found 10/19![Southwest logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:35 pm -
Nonstop5h 05m
Wed 12/96:11 pm -
Nonstop6h 42m
Deal found 10/22![Alaska Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:56 pm -
1 stop7h 57m
Fri 12/46:17 am -
1 stop8h 27m
Deal found 10/23![United Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:43 am -
1 stop8h 32m
Thu 11/196:15 am -
1 stop8h 30m
Deal found 10/20![American Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
1 stop9h 19m
Sun 12/136:00 am -
1 stop8h 10m
Deal found 10/21![Delta logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:34 pm -
Nonstop5h 06m
Thu 12/37:00 am -
Nonstop6h 28m
Deal found 10/20![Alaska Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:56 pm -
1 stop7h 56m
Wed 11/255:40 pm -
1 stop8h 27m
Deal found 10/19![United Airlines logo]()
$399
This Booking.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:03 pm -
1 stop23h 42m
Mon 11/94:15 pm -
1 stop21h 17m
Deal found 10/23![Multiple Airlines logo]()
$804
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:30 pm -
2 stops11h 35m
Wed 12/26:20 pm -
1 stop8h 15m
Deal found 10/19![Southwest logo]()
$404
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2811:09 am -
1 stop8h 32m
Tue 3/97:17 am -
1 stop9h 37m
Deal found 10/21![American Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/131:36 pm -
1 stop6h 51m
Thu 1/76:00 am -
1 stop7h 42m
Deal found 10/22![Delta logo]()
$437
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:05 pm -
1 stop6h 50m
Sat 11/146:15 am -
2 stops12h 50m
Deal found 10/20![Southwest logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:05 pm -
1 stop7h 21m
Mon 12/72:50 pm -
1 stop10h 53m
Deal found 10/20![United Airlines logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/129:05 am -
Nonstop5h 03m
Tue 1/56:14 pm -
Nonstop6h 14m
Deal found 10/23![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/166:00 am -
1 stop9h 19m
Wed 4/215:15 pm -
1 stop7h 50m
Deal found 10/24![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:04 pm -
2 stops11h 40m
Sun 12/133:12 pm -
1 stop8h 49m
Deal found 10/20![United Airlines logo]()
$423
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1811:00 am -
2 stops10h 35m
Sun 12/202:15 pm -
2 stops11h 55m
Deal found 10/23![Southwest logo]()
$427
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop9h 19m
Tue 11/247:11 pm -
1 stop7h 46m
Deal found 10/21![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/69:01 am -
2 stops12h 25m
Wed 1/139:20 am -
2 stops14h 57m
Deal found 10/21![United Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:03 pm -
Nonstop4h 33m
Tue 11/248:12 am -
Nonstop5h 28m
Deal found 10/19![Alaska Airlines logo]()
$472
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:34 pm -
2 stops9h 53m
Tue 11/247:55 am -
1 stop11h 04m
Deal found 10/19![American Airlines logo]()
$521
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
2 stops9h 20m
Tue 11/243:10 pm -
1 stop13h 10m
Deal found 10/19![Southwest logo]()
$456
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:30 pm -
1 stop6h 57m
Thu 11/123:00 pm -
1 stop8h 56m
Deal found 10/20![United Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am -
2 stops9h 43m
Sun 11/82:28 pm -
1 stop10h 31m
Deal found 10/20![American Airlines logo]()
$556
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:45 am -
1 stop8h 07m
Tue 12/17:14 pm -
1 stop7h 39m
Deal found 10/22![Delta logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:40 am -
2 stops10h 04m
Mon 11/162:38 pm -
1 stop9h 18m
Deal found 10/20![United Airlines logo]()
$462
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:34 pm -
2 stops9h 53m
Sat 11/78:01 am -
1 stop9h 19m
Deal found 10/19![American Airlines logo]()
$593
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:30 am -
2 stops9h 19m
Fri 11/133:38 pm -
1 stop9h 12m
Deal found 10/22![United Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:34 pm -
2 stops11h 29m
Sun 11/82:28 pm -
1 stop10h 31m
Deal found 10/23![American Airlines logo]()
$605
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:55 am -
2 stops10h 55m
Wed 11/111:30 pm -
2 stops11h 50m
Deal found 10/23![Southwest logo]()
$607
Last-minute flights from Seattle to PennsylvaniaDiscover last-minute flight deals from Seattle to Pennsylvania. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Pennsylvania. Data last updated October 24, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:05 am -
1 stop6h 31m
Thu 11/122:07 pm -
2 stops10h 12m
Deal found 10/20![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:38 pm -
1 stop7h 22m
Mon 11/162:59 pm -
1 stop10h 35m
Deal found 10/22![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
1 stop9h 31m
Sun 11/157:09 am -
1 stop9h 06m
Deal found 10/20![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:05 am -
2 stops8h 50m
Mon 11/166:01 pm -
1 stop8h 06m
Deal found 10/22![United Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:05 am -
2 stops8h 50m
Wed 11/252:07 pm -
1 stop7h 56m
Deal found 10/21![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
1 stop6h 35m
Sun 11/228:00 pm -
1 stop7h 35m
Deal found 10/20![Southwest logo]()
$315
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:30 pm -
1 stop6h 29m
Thu 11/266:12 am -
2 stops11h 27m
Deal found 10/21![United Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:30 pm -
1 stop6h 29m
Wed 11/252:07 pm -
2 stops10h 12m
Deal found 10/21![United Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:56 pm -
1 stop7h 34m
Mon 11/233:15 pm -
1 stop8h 41m
Deal found 10/22![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:15 am -
1 stop7h 05m
Mon 11/238:00 pm -
1 stop7h 35m
Deal found 10/22![Southwest logo]()
$375
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:31 am -
1 stop8h 21m
Tue 11/248:02 am -
1 stop9h 23m
Deal found 10/21![American Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:31 am -
1 stop8h 21m
Sat 12/512:58 pm -
1 stop10h 33m
Deal found 10/20![American Airlines logo]()
$334
One-way flights from Seattle to PennsylvaniaSearch for one-way flight options from Seattle to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Seattle to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/76:00 am -
1 stop8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$147
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:05 am -
2 stops10h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$152
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:20 am -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Southwest logo]()
$169
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:56 pm -
1 stop7h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$183
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:30 pm -
1 stop6h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$187
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/223:24 pm -
1 stop10h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/259:25 am -
2 stops8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/164:58 pm -
2 stops21h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:27 pm -
2 stops46h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$196
This KAYAK deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:16 am -
1 stop9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$200
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/211:50 am -
1 stop7h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$220
This Cheapflightsfares deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/304:37 pm -
1 stop9h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$228
Find flight deals from Seattle to Pennsylvania
Keep the following information in mind while searching for Seattle to Pennsylvania flight deals. Data was last updated October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $300 (Southwest) |
One-way from | $147 (American Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $422 |
Good round-trip deal | $437 or less |
Good one-way deal | $239 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Pennsylvania that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 24, 2026.
Use the filters below to find and compare flights from Seattle to Pennsylvania that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattlePittsburgh
SEA Seattle/Tacoma Intl - PIT Pittsburgh
SEAPIT
Seattle/Tacoma Intl
Tue 11/10
2:30 pm-11:59 pm
1 stop6h 29m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$147
SeattlePittsburgh
SEA Seattle/Tacoma Intl - PIT Pittsburgh
SEAPIT
Seattle/Tacoma Intl
Tue 11/17
7:00 am-4:55 pm
1 stop6h 55m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$147
SeattlePittsburgh
SEA Seattle/Tacoma Intl - PIT Pittsburgh
SEAPIT
Seattle/Tacoma Intl
Mon 11/9
10:56 pm-2:14 pm
2 stops12h 18m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$217
SeattlePittsburgh
SEA Seattle/Tacoma Intl - PIT Pittsburgh
SEAPIT
Seattle/Tacoma Intl
Thu 1/7
8:30 am-11:59 pm
2 stops12h 29m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$217
SeattleAllentown
SEA Seattle/Tacoma Intl - ABE Allentown-Bethlehem
SEAABE
Seattle/Tacoma Intl
Tue 3/2
11:50 am-10:46 pm
1 stop7h 56m
Allentown-Bethlehem
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$220
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Mon 11/30
4:37 pm-5:25 am
1 stop9h 48m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$228
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Thu 12/3
1:20 pm-9:27 pm
Nonstop5h 07m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$229
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Fri 11/20
9:38 pm-5:43 am
Nonstop5h 05m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$229
SeattleAllentown
SEA Seattle/Tacoma Intl - ABE Allentown-Bethlehem
SEAABE
Seattle/Tacoma Intl
Fri 1/29
5:44 pm-9:35 am
2 stops12h 51m
Allentown-Bethlehem
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$230
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Fri 11/27
6:45 am-7:25 pm
2 stops9h 40m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$234
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Seattle to Pennsylvania
Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Seattle with our price prediction graph.
SEA-PIT
SEA-PHL
SEA-MDT
SEA-SCE
SEA-DUJ
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Pennsylvania
SEA-USPA
SEA-PIT
SEA-PHL
SEA-MDT
SEA-SCE
What is the cheapest month to book a flight from Seattle to Pennsylvania?
Currently, January is the cheapest month in which you can book a flight from Seattle to Pennsylvania (average of $390). Flying from Seattle to Pennsylvania in December is currently the most expensive (average of $503). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to PA?
Find hourly flight availability from Seattle to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 24, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Pennsylvania as you normally would.
Weekly flight availability from Seattle to Pennsylvania
Explore weekly flight availability from Seattle to Pennsylvania. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 24, 2026.
The most flights from SEA to USPA are scheduled on a Thursday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Seattle to Pennsylvania?
Airfare is typical for this route at the moment.
Seattle to Pennsylvania flights typically cost between $360 and $580 in November.The cheapest round-trip price found within the last 5 days was $379 on Multiple Airlines (Nov 20-Nov 26).
How far ahead should I book a flight from Seattle to Pennsylvania?
Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Pennsylvania. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Pennsylvania
Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated October 24, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, andDelta from Seattle to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Seattle to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Pennsylvania
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Pennsylvania by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Pennsylvania by cabin class
Find flights from Seattle to Pennsylvania, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Pennsylvania flights
Browse other Seattle and Pennsylvania flight options. Last updated on October 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Pennsylvania flights
Consider these flights traveling from Seattle to Pennsylvania.
Top 6 airlines flying from Seattle to Pennsylvania
Discover the top 6 airlines that operate flights from Seattle to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$167 | Average$309 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$481 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$187 | Average$589 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$196 | Average$409 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$377 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$266 | Average$511 | FlexibilityNo cancel fee | On-time69% |