$168+ Cheap flights from Seattle (SEA) to Delaware
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ILG
Sep 28 — Oct 51
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Delaware 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 DelawareExplore the most affordable flight options available from Seattle to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 29, 2026.
Explore the most affordable flight options available from Seattle to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 29, 2026.
This Expedia deal was found by Cheapflights users on 8/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:29 pm -
Nonstop5h 12m
Wed 10/145:50 am -
1 stop12h 22m
Deal found 8/24![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Sun 10/259:16 pm -
1 stop31h 02m
Tue 10/275:00 pm -
2 stops20h 59m
Deal found 8/25![Frontier logo]()
$335
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/2111:04 pm -
1 stop7h 39m
Mon 10/56:30 pm -
1 stop9h 45m
Deal found 8/25![United Airlines logo]()
$337
This Expedia deal was found by Cheapflights users on 8/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:07 pm -
1 stop7h 32m
Sat 9/124:48 pm -
1 stop8h 51m
Deal found 8/24![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/129:16 pm -
1 stop31h 02m
Wed 10/148:44 pm -
1 stop15h 14m
Deal found 8/26![Frontier logo]()
$340
This Expedia deal was found by Cheapflights users on 8/25. 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.
Tue 10/208:59 pm -
1 stop15h 15m
Sun 10/255:50 am -
1 stop12h 22m
Deal found 8/25![Multiple Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 8/27. 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 11/49:30 am -
2 stops8h 50m
Wed 11/116:20 pm -
1 stop8h 10m
Deal found 8/27![Southwest logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:48 pm -
1 stop30h 42m
Tue 9/225:32 pm -
2 stops24h 36m
Deal found 8/24![Frontier logo]()
$343
This Orbitz deal was found by Cheapflights users on 8/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:29 pm -
Nonstop5h 12m
Sat 10/108:44 pm -
1 stop15h 14m
Deal found 8/27![Multiple Airlines logo]()
$344
This Booking.com deal was found by Cheapflights users on 8/26. 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.
Thu 8/277:06 pm -
1 stop7h 33m
Tue 9/18:00 am -
1 stop29h 39m
Deal found 8/26![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/129:16 pm -
1 stop31h 02m
Thu 10/226:41 pm -
Nonstop6h 00m
Deal found 8/26![Multiple Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/3010:48 pm -
1 stop16h 54m
Mon 11/26:30 am -
1 stop18h 29m
Deal found 8/28![American Airlines logo]()
$810
Best flights from Seattle to DelawareDiscover carefully curated flight deals from Seattle to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
Discover carefully curated flight deals from Seattle to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/2811:14 pm -
1 stop7h 28m
Wed 10/76:30 pm -
1 stop9h 45m
Deal found 8/25![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 8/25. 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 9/118:25 pm -
2 stops11h 50m
Tue 9/152:45 pm -
2 stops11h 25m
Deal found 8/25![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am -
1 stop9h 08m
Sat 9/127:05 am -
Nonstop5h 51m
Deal found 8/23![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 11/118:32 am -
Nonstop5h 13m
Sat 11/147:02 am -
Nonstop6h 06m
Deal found 8/27![Alaska Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/119:00 am -
1 stop8h 55m
Tue 9/156:25 am -
1 stop8h 07m
Deal found 8/25![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 8/24. 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.
Thu 9/249:30 pm -
Nonstop5h 20m
Sun 9/277:20 am -
1 stop10h 30m
Deal found 8/24![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:51 pm -
1 stop17h 54m
Wed 9/304:48 pm -
1 stop8h 51m
Deal found 8/24![Alaska Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 8/23. 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.
Thu 9/107:00 am -
2 stops11h 10m
Sat 9/124:50 pm -
1 stop7h 40m
Deal found 8/23![Southwest logo]()
$384
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/3010:48 pm -
1 stop16h 54m
Mon 11/26:30 am -
1 stop18h 29m
Deal found 8/28![American Airlines logo]()
$810
This Delta deal was found by Cheapflights users on 8/26. 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.
Sat 10/109:30 pm -
Nonstop5h 14m
Thu 10/157:00 am -
Nonstop5h 58m
Deal found 8/26![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 8/27. 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.
Tue 9/155:20 am -
1 stop7h 40m
Tue 9/222:45 pm -
2 stops11h 25m
Deal found 8/27![Southwest logo]()
$391
This Delta deal was found by Cheapflights users on 8/25. 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.
Sat 10/241:42 pm -
1 stop7h 08m
Sun 10/257:00 am -
Nonstop5h 58m
Deal found 8/25![Delta logo]()
$389
This Southwest deal was found by Cheapflights users on 8/23. 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.
Thu 9/245:15 am -
1 stop7h 45m
Sun 9/275:00 am -
1 stop8h 40m
Deal found 8/23![Southwest logo]()
$393
This American Airlines deal was found by Cheapflights users on 8/28. 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 9/278:20 am -
1 stop11h 39m
Sun 10/46:41 am -
1 stop17h 24m
Deal found 8/28![American Airlines logo]()
$854
Last-minute flights from Seattle to DelawareDiscover last-minute flight deals from Seattle to Delaware. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Delaware. Data last updated August 29, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:06 pm -
1 stop7h 33m
Tue 9/18:37 pm -
1 stop15h 42m
Deal found 8/27![Frontier logo]()
$345
This Booking.com deal was found by Cheapflights users on 8/25. 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 8/287:06 pm -
1 stop7h 33m
Sat 8/298:00 am -
1 stop29h 39m
Deal found 8/25![Frontier logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Sat 8/298:53 pm -
1 stop30h 37m
Wed 9/28:37 pm -
1 stop15h 42m
Deal found 8/27![Frontier logo]()
$352
This Expedia deal was found by Cheapflights users on 8/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:07 pm -
1 stop7h 32m
Sat 9/124:48 pm -
1 stop8h 51m
Deal found 8/24![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:07 pm -
1 stop7h 32m
Thu 9/246:10 pm -
2 stops47h 58m
Deal found 8/24![Multiple Airlines logo]()
$348
This Frontier deal was found by Cheapflights users on 8/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:37 pm -
1 stop12h 02m
Sun 9/67:00 am -
1 stop11h 28m
Deal found 8/24![Frontier logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:07 pm -
1 stop7h 32m
Mon 9/215:40 pm -
2 stops24h 28m
Deal found 8/24![Frontier logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:48 pm -
1 stop30h 42m
Tue 9/225:32 pm -
2 stops24h 36m
Deal found 8/24![Frontier logo]()
$343
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:05 pm -
1 stop9h 05m
Tue 9/222:45 pm -
2 stops11h 25m
Deal found 8/24![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/2111:04 pm -
1 stop7h 39m
Mon 10/56:30 pm -
1 stop9h 45m
Deal found 8/25![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 8/27. 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 9/2611:05 pm -
1 stop9h 05m
Fri 10/27:10 pm -
1 stop8h 25m
Deal found 8/27![Southwest logo]()
$353
This SmartFares deal was found by Cheapflights users on 8/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:27 pm -
Nonstop5h 13m
Sat 10/36:41 pm -
Nonstop6h 00m
Deal found 8/28![Alaska Airlines logo]()
$347
One-way flights from Seattle to DelawareSearch for one-way flight options from Seattle to Delaware. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
Search for one-way flight options from Seattle to Delaware. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Tue 9/298:15 pm -
2 stops18h 59m
Deal found 8/27![Frontier logo]()
$168
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/2910:50 am -
1 stop9h 20m
Deal found 8/25![United Airlines logo]()
$169
This Super.com deal was found by Cheapflights users on 8/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:48 pm -
1 stop30h 42m
Deal found 8/24![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:27 pm -
2 stops27h 51m
Deal found 8/24![Frontier logo]()
$173
This Southwest deal was found by Cheapflights users on 8/26. 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 9/195:30 am -
2 stops12h 20m
Deal found 8/26![Southwest logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Thu 9/249:45 pm -
2 stops30h 31m
Deal found 8/27![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Fri 9/258:15 pm -
2 stops18h 59m
Deal found 8/27![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Fri 10/238:00 pm -
2 stops19h 15m
Deal found 8/26![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 11/58:09 pm -
2 stops32h 12m
Deal found 8/26![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Thu 10/224:27 pm -
1 stop29h 49m
Deal found 8/25![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:15 pm -
2 stops34h 15m
Deal found 8/24![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/179:45 pm -
2 stops41h 29m
Deal found 8/26![Frontier logo]()
$183
Find flight deals from Seattle to Delaware
Keep the following information in mind while searching for Seattle to Delaware flight deals. Data was last updated August 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $334 (Expedia) |
One-way from | $168 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $455 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Delaware 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 August 29, 2026.
Use the filters below to find and compare flights from Seattle to Delaware that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Mon 9/28
11:14 pm-9:42 am
1 stop7h 28m
Philadelphia
Wed 10/7
6:30 pm-1:15 am
1 stop9h 45m
$337
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Fri 9/11
9:00 am-8:55 pm
1 stop8h 55m
Philadelphia
Tue 9/15
6:25 am-11:32 am
1 stop8h 07m
$358
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Fri 9/11
8:25 pm-11:15 am
2 stops11h 50m
Philadelphia
Tue 9/15
2:45 pm-11:10 pm
2 stops11h 25m
$368
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Wed 9/9
6:00 am-6:08 pm
1 stop9h 08m
Philadelphia
Sat 9/12
7:05 am-9:56 am
Nonstop5h 51m
$369
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Thu 9/24
9:30 pm-5:50 am
Nonstop5h 20m
Philadelphia
Sun 9/27
7:20 am-2:50 pm
1 stop10h 30m
$369
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Wed 11/11
8:32 am-4:45 pm
Nonstop5h 13m
Philadelphia
Sat 11/14
7:02 am-10:08 am
Nonstop6h 06m
$379
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Mon 9/28
6:51 pm-3:45 pm
1 stop17h 54m
Philadelphia
Wed 9/30
4:48 pm-10:39 pm
1 stop8h 51m
$379
Quickest round-trip
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Sat 10/10
9:30 pm-5:44 am
Nonstop5h 14m
Philadelphia
Thu 10/15
7:00 am-9:58 am
Nonstop5h 58m
$379
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Thu 9/10
7:00 am-9:10 pm
2 stops11h 10m
Philadelphia
Sat 9/12
4:50 pm-9:30 pm
1 stop7h 40m
$384
SeattlePhiladelphia
SEA Seattle/Tacoma Intl - PHL Philadelphia
SEAPHL
Seattle/Tacoma Intl
Sat 10/24
1:42 pm-11:50 pm
1 stop7h 08m
Philadelphia
Sun 10/25
7:00 am-9:58 am
Nonstop5h 58m
$389
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SEA-SBY
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SEA-USDE
SEA-PHL
SEA-SBY
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