$159+ Cheap flights from Pennsylvania to Washington
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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEA
Dec 6 — Dec 131
Round-trip
1 adult, Economy
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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 Pennsylvania to WashingtonExplore the most affordable flight options available from Pennsylvania to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2026.
Explore the most affordable flight options available from Pennsylvania to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2026.
This Delta deal was found by Cheapflights users on 11/3. 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 12/26:10 am -
1 stop8h 00m
Wed 12/91:45 pm -
1 stop6h 33m
Deal found 11/3![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 12/124:32 pm -
1 stop9h 06m
Thu 12/2411:59 pm -
1 stop6h 38m
Deal found 11/2![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/33:39 pm -
1 stop9h 19m
Thu 12/102:05 pm -
1 stop6h 54m
Deal found 11/5![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 11/2. 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 12/37:25 pm -
1 stop7h 10m
Wed 12/95:40 am -
2 stops9h 50m
Deal found 11/2![Southwest logo]()
$322
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/152:00 pm -
2 stops10h 21m
Thu 12/3110:55 am -
1 stop6h 46m
Deal found 11/3![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/266:12 am -
2 stops11h 27m
Wed 12/210:48 am -
1 stop7h 01m
Deal found 11/5![United Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 11/5. 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 12/33:19 pm -
1 stop8h 31m
Fri 12/116:00 am -
1 stop9h 30m
Deal found 11/5![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/66:00 pm -
1 stop7h 43m
Sun 12/135:05 am -
2 stops8h 52m
Deal found 11/6![United Airlines logo]()
$332
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/263:15 pm -
1 stop8h 41m
Tue 12/17:00 am -
1 stop6h 57m
Deal found 11/5![United Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/106:00 pm -
1 stop7h 43m
Sun 12/135:05 am -
2 stops8h 52m
Deal found 11/3![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/46:27 am -
1 stop8h 17m
Sat 12/125:05 am -
2 stops8h 52m
Deal found 11/5![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 11/5. 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 12/15:34 am -
1 stop9h 39m
Wed 12/91:16 pm -
1 stop8h 36m
Deal found 11/5![Delta logo]()
$341
Best flights from Pennsylvania to WashingtonDiscover carefully curated flight deals from Pennsylvania to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 6, 2026.
Discover carefully curated flight deals from Pennsylvania to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 6, 2026.
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/145:00 pm -
1 stop8h 15m
Fri 12/1811:42 pm -
1 stop7h 53m
Deal found 11/5![United Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 11/2. 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 1/195:15 pm -
1 stop7h 50m
Fri 1/297:05 am -
2 stops10h 50m
Deal found 11/2![Southwest logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 12/127:00 am -
1 stop10h 18m
Tue 12/154:35 pm -
1 stop10h 05m
Deal found 11/1![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 11/5. 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.
Mon 12/146:20 am -
1 stop8h 46m
Fri 12/185:01 pm -
1 stop9h 49m
Deal found 11/5![Delta logo]()
$387
This American Airlines deal was found by Cheapflights users on 11/1. 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 1/85:26 pm -
1 stop9h 30m
Tue 1/126:30 am -
2 stops10h 06m
Deal found 11/1![American Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 11/2. 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 12/148:25 am -
1 stop7h 25m
Sun 1/1712:45 pm -
1 stop8h 35m
Deal found 11/2![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 11/1. 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 12/138:00 am -
1 stop9h 38m
Sun 1/1711:12 pm -
1 stop7h 37m
Deal found 11/1![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/35:00 pm -
1 stop8h 15m
Thu 12/105:05 am -
2 stops9h 52m
Deal found 11/2![United Airlines logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/177:02 am -
Nonstop6h 27m
Sun 1/39:33 pm -
Nonstop5h 09m
Deal found 11/3![Alaska Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 11/3. 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 12/116:00 am -
1 stop9h 41m
Fri 12/2511:42 am -
1 stop8h 24m
Deal found 11/3![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 11/1. 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 12/17:25 pm -
1 stop7h 10m
Wed 12/96:30 am -
1 stop6h 35m
Deal found 11/1![Southwest logo]()
$397
This United Airlines deal was found by Cheapflights users on 11/2. 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 1/148:35 am -
2 stops11h 03m
Tue 1/197:00 am -
1 stop9h 11m
Deal found 11/2![United Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 12/257:02 am -
Nonstop6h 27m
Fri 1/19:18 am -
Nonstop5h 07m
Deal found 11/1![Alaska Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 11/2. 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 1/154:40 pm -
1 stop8h 47m
Mon 1/1812:47 pm -
1 stop7h 37m
Deal found 11/2![American Airlines logo]()
$486
This Southwest deal was found by Cheapflights users on 11/3. 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 12/41:25 pm -
2 stops12h 25m
Tue 12/88:15 pm -
2 stops11h 50m
Deal found 11/3![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 11/1. 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 2/28:35 am -
2 stops11h 50m
Tue 2/97:05 am -
1 stop9h 06m
Deal found 11/1![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 11/4. 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 12/66:00 am -
1 stop8h 10m
Mon 12/146:00 am -
1 stop7h 16m
Deal found 11/4![Delta logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 12/187:02 am -
Nonstop6h 27m
Fri 1/19:18 am -
Nonstop5h 07m
Deal found 11/3![Alaska Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 11/3. 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 1/125:25 pm -
1 stop8h 15m
Sun 1/179:10 am -
2 stops9h 05m
Deal found 11/3![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/52:50 pm -
1 stop9h 11m
Sat 12/128:09 am -
1 stop7h 41m
Deal found 11/5![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 11/5. 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 12/135:06 pm -
2 stops9h 53m
Fri 1/151:15 pm -
1 stop7h 19m
Deal found 11/5![Delta logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 1/126:14 pm -
1 stop8h 43m
Sat 1/166:08 am -
1 stop8h 03m
Deal found 11/1![Alaska Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 11/3. 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 4/271:00 pm -
1 stop9h 05m
Sat 5/16:00 am -
1 stop8h 12m
Deal found 11/3![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 11/2. 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 2/126:07 am -
1 stop9h 01m
Mon 2/157:00 am -
1 stop9h 25m
Deal found 11/2![United Airlines logo]()
$423
This Southwest deal was found by Cheapflights users on 11/3. 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 12/1811:05 am -
2 stops11h 45m
Sat 1/25:50 am -
1 stop13h 05m
Deal found 11/3![Southwest logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 11/187:02 am -
1 stop8h 56m
Sun 11/224:36 pm -
1 stop10h 04m
Deal found 11/3![Alaska Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 11/4. 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 11/227:00 am -
1 stop8h 15m
Mon 11/307:15 pm -
1 stop7h 40m
Deal found 11/4![Delta logo]()
$427
This United Airlines deal was found by Cheapflights users on 11/6. 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 4/242:45 pm -
1 stop8h 25m
Sat 5/18:00 am -
1 stop7h 48m
Deal found 11/6![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 11/3. 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 12/13:45 pm -
2 stops10h 05m
Tue 12/86:30 am -
1 stop6h 35m
Deal found 11/3![Southwest logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 11/228:12 am -
Nonstop5h 28m
Tue 12/11:01 pm -
Nonstop4h 29m
Deal found 11/1![Alaska Airlines logo]()
$472
Last-minute flights from Pennsylvania to WashingtonDiscover last-minute flight deals from Pennsylvania to Washington. Data last updated November 6, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Washington. Data last updated November 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/266:12 am -
2 stops11h 27m
Wed 12/210:48 am -
1 stop7h 01m
Deal found 11/5![United Airlines logo]()
$326
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/263:15 pm -
1 stop8h 41m
Tue 12/17:00 am -
1 stop6h 57m
Deal found 11/5![United Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 11/5. 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 12/15:34 am -
1 stop9h 39m
Wed 12/91:16 pm -
1 stop8h 36m
Deal found 11/5![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/23:39 pm -
1 stop9h 19m
Wed 12/98:09 am -
1 stop7h 25m
Deal found 11/4![United Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/33:39 pm -
1 stop9h 19m
Thu 12/102:05 pm -
1 stop6h 54m
Deal found 11/5![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 11/2. 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 12/37:25 pm -
1 stop7h 10m
Wed 12/95:40 am -
2 stops9h 50m
Deal found 11/2![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 11/5. 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 12/33:19 pm -
1 stop8h 31m
Fri 12/116:00 am -
1 stop9h 30m
Deal found 11/5![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/46:27 am -
1 stop8h 17m
Sat 12/125:05 am -
2 stops8h 52m
Deal found 11/5![United Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/66:00 pm -
1 stop7h 43m
Sun 12/135:05 am -
2 stops8h 52m
Deal found 11/6![United Airlines logo]()
$332
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/106:00 pm -
1 stop7h 43m
Sun 12/135:05 am -
2 stops8h 52m
Deal found 11/3![United Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 12/122:52 pm -
1 stop10h 56m
Fri 1/810:17 am -
1 stop9h 49m
Deal found 11/2![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/152:00 pm -
2 stops10h 21m
Thu 12/3110:55 am -
1 stop6h 46m
Deal found 11/3![United Airlines logo]()
$324
One-way flights from Pennsylvania to WashingtonSearch for one-way flight options from Pennsylvania to Washington. Find affordable one-way fares based on user searches. Data last updated November 6, 2026.
Search for one-way flight options from Pennsylvania to Washington. Find affordable one-way fares based on user searches. Data last updated November 6, 2026.
This Delta deal was found by Cheapflights users on 11/3. 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 12/53:19 pm -
1 stop8h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$159
This Southwest deal was found by Cheapflights users on 11/3. 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 11/257:40 pm -
1 stop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Southwest logo]()
$161
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/232:07 pm -
2 stops10h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$166
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/93:35 pm -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$171
This Southwest deal was found by Cheapflights users on 11/5. 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 12/66:00 am -
2 stops15h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Southwest logo]()
$175
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/79:45 am -
2 stops14h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$176
This Southwest deal was found by Cheapflights users on 11/3. 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 11/243:10 pm -
1 stop13h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Southwest logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 1/258:27 pm -
3 stops45h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$199
This American Airlines deal was found by Cheapflights users on 11/1. 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 11/2310:13 am -
1 stop11h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/147:59 pm -
3 stops46h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/77:59 pm -
3 stops46h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$205
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/218:45 am -
1 stop10h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![United Airlines logo]()
$206
Find flight deals from Pennsylvania to Washington
Keep the following information in mind while searching for Pennsylvania to Washington flight deals. Data was last updated November 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $317 (United Airlines) |
One-way from | $159 (Delta) |
Popular in | August |
Cheapest in | January |
Average price | $446 |
Good round-trip deal | $428 or less |
Good one-way deal | $257 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania to Washington 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 November 6, 2026.
Use the filters below to find and compare flights from Pennsylvania to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Tue 12/22
7:40 pm-1:20 am
1 stop8h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$161
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Mon 12/14
7:14 pm-11:53 pm
1 stop7h 39m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$164
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Sun 12/13
4:03 pm-10:43 pm
1 stop9h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$164
PittsburghSeattle
PIT Pittsburgh - SEA Seattle/Tacoma Intl
PITSEA
Pittsburgh
Mon 1/25
2:05 pm-10:55 pm
2 stops11h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$166
PhiladelphiaSpokane
PHL Philadelphia - GEG Spokane
PHLGEG
Philadelphia
Fri 12/18
6:20 am-12:06 pm
1 stop8h 46m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$171
PhiladelphiaSpokane
PHL Philadelphia - GEG Spokane
PHLGEG
Philadelphia
Thu 12/17
6:20 am-12:06 pm
1 stop8h 46m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$171
PhiladelphiaSpokane
PHL Philadelphia - GEG Spokane
PHLGEG
Philadelphia
Mon 12/14
10:53 am-9:25 pm
2 stops13h 32m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$176
HarrisburgSeattle
MDT Harrisburg - SEA Seattle/Tacoma Intl
MDTSEA
Harrisburg
Mon 11/23
10:13 am-6:39 pm
1 stop11h 26m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$200
PhiladelphiaSpokane
PHL Philadelphia - GEG Spokane
PHLGEG
Philadelphia
Mon 12/21
5:15 am-10:57 am
1 stop8h 42m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$210
AllentownSeattle
ABE Allentown-Bethlehem - SEA Seattle/Tacoma Intl
ABESEA
Allentown-Bethlehem
Sat 4/24
1:00 pm-7:05 pm
1 stop9h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$210
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pennsylvania to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Pennsylvania with our price prediction graph.
PIT-SEA
PHL-GEG
MDT-SEA
PHL-SEA
SCE-SEA
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 Pennsylvania to Washington
USPA-USWA
PIT-SEA
PHL-GEG
MDT-SEA
PHL-SEA
What is the cheapest month to book a flight from Pennsylvania to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Pennsylvania to State of Washington (average of $331). Flying from Pennsylvania to State of Washington in July is currently the most expensive (average of $479). 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 PA to WA?
Find hourly flight availability from Pennsylvania to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to State of Washington as you normally would.
Weekly flight availability from Pennsylvania to State of Washington
Explore weekly flight availability from Pennsylvania to Washington. 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 November 6, 2026.
The most flights from USPA to USWA are scheduled on a Thursday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Pennsylvania to State of Washington?
Airfare is below average for this route at the moment.
Pennsylvania to State of Washington flights typically cost between $395 and $576 in December.The cheapest round-trip price found within the last 5 days was $392 on Southwest (Dec 21-Dec 31).
How far ahead should I book a flight from Pennsylvania to State of Washington?
Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pennsylvania to State of Washington. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated November 6, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Pennsylvania to Washington. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania to Washington. 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 Pennsylvania to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Pennsylvania to Washington by cabin class
Find flights from Pennsylvania to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and Washington flights
Browse other Pennsylvania and Washington flight options. Last updated on November 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Washington
Find the right flight back to Pennsylvania after your stay in Washington
Pennsylvania to Washington flights
Consider these flights traveling from Pennsylvania to Washington.
Top 6 airlines flying from Pennsylvania to Washington
Discover the top 6 airlines that operate flights from Pennsylvania to Washington. 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 November 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$269 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$159 | Average$442 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$519 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$524 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$218 | Average$438 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$236 | Average$469 | FlexibilityNo cancel fee | On-time69% |