Cheap Flights from Seattle, WA to Philadelphia, PA from $87
On Cheapflightsplus.com you will find 1 direct and 150 connecting flights from Seattle to Philadelphia. You can compare airfare deals from 5 airlines and multiple travel sites from $87, book and save on cheap plane tickets and last minute offers. Also check out SEA-PHL flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Seattle to Philadelphia Flight Deals
Best Flights from Seattle to Philadelphia Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $137 | 09:44 Seattle Seattle-Tacoma Intl | 17:50 Philadelphia Philadelphia Int. | 5h 6m | Alaska Airlines | AS442 |
from $87 | 09:37 Seattle Seattle-Tacoma Intl | 17:48+1 день Philadelphia Philadelphia Int. | 29h 11m layover 22h 41m - Denver | Frontier Airlines | F93406 F93266 |
from $107 | 22:08 Seattle Seattle-Tacoma Intl | 17:48+1 день Philadelphia Philadelphia Int. | 16h 40m layover 10h 15m - Denver | Frontier Airlines | F91176 F93266 |
from $186 | 16:00 Seattle Seattle-Tacoma Intl | 06:10+1 день Philadelphia Philadelphia Int. | 11h 10m layover 3h 53m - Las Vegas | Spirit Airlines | NK414 NK904 |
from $202 | 07:00 Seattle Seattle-Tacoma Intl | 17:35 Philadelphia Philadelphia Int. | 7h 35m layover 1h 23m - Chicago | United Airlines | UA1373 UA1617 |
from $202 | 11:05 Seattle Seattle-Tacoma Intl | 21:40 Philadelphia Philadelphia Int. | 7h 35m layover 1h 20m - Chicago | United Airlines | UA747 UA1776 |
from $202 | 12:35 Seattle Seattle-Tacoma Intl | 23:24 Philadelphia Philadelphia Int. | 7h 49m layover 1h 33m - Denver | United Airlines | UA1483 UA415 |
from $202 | 23:59 Seattle Seattle-Tacoma Intl | 10:50+1 день Philadelphia Philadelphia Int. | 7h 51m layover 1h 45m - Chicago | United Airlines | UA2019 UA2418 |
from $202 | 05:30 Seattle Seattle-Tacoma Intl | 19:14 Philadelphia Philadelphia Int. | 10h 44m layover 3h 35m - Las Vegas | Spirit Airlines | NK176 NK803 |
from $161 | 17:26 Seattle Seattle-Tacoma Intl | 07:28+1 день Philadelphia Philadelphia Int. | 11h 2m layover 1h 26m - Los Angeles 0h 42m - Detroit | Spirit Airlines | NK261 NK262 NK818 |
from $180 | 06:00 Seattle Seattle-Tacoma Intl | 05:22+1 день Philadelphia Philadelphia Int. | 20h 22m layover 3h 17m - Los Angeles 8h 11m - Las Vegas | Spirit Airlines | NK801 NK712 NK904 |
from $180 | 06:00 Seattle Seattle-Tacoma Intl | 05:22+1 день Philadelphia Philadelphia Int. | 20h 22m layover 4h 54m - Los Angeles 6h 34m - Las Vegas | Spirit Airlines | NK801 NK1494 NK904 |
from $183 | 06:00 Seattle Seattle-Tacoma Intl | 05:22+1 день Philadelphia Philadelphia Int. | 20h 22m layover 1h 54m - Los Angeles 9h 35m - Las Vegas | Spirit Airlines | NK801 NK1724 NK904 |
from $202 | 05:30 Seattle Seattle-Tacoma Intl | 07:28+1 день Philadelphia Philadelphia Int. | 22h 58m layover 9h 52m - Las Vegas 4h 56m - Detroit | Spirit Airlines | NK176 NK256 NK818 |
from $208 | 05:00 Seattle Seattle-Tacoma Intl | 17:35 Philadelphia Philadelphia Int. | 9h 35m layover 0h 57m - Denver 1h 11m - Chicago | United Airlines | UA2269 UA2329 UA1617 |
from $208 | 09:00 Seattle Seattle-Tacoma Intl | 21:40 Philadelphia Philadelphia Int. | 9h 40m layover 0h 47m - Denver 1h 25m - Chicago | United Airlines | UA1829 UA617 UA1776 |
Flight Schedule Seattle (Washington) to Philadelphia (Pennsylvania)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
09:44 — 17:50
|
09:44 — 17:50
AS442
Alaska Airlines
Seattle — Philadelphia
|
5h 6m |
Find flight
from$137 |
|
05:30 — 19:14
|
05:30 — 07:55
NK176
Spirit Airlines
Seattle — Las Vegas
3h 35m stop
11:30 — 19:14
NK803
Spirit Airlines
Las Vegas — Philadelphia
|
10h 44m including layover |
Find flight
from$202 |
|
07:00 — 17:35
|
07:00 — 13:06
UA1373
United Airlines
Seattle — Chicago
1h 23m stop
14:29 — 17:35
UA1617
United Airlines
Chicago — Philadelphia
|
7h 35m including layover |
Find flight
from$202 |
|
08:00 — 18:21
|
08:00 — 16:06
UA1360
United Airlines
Seattle — Washington D.C.
1h 4m stop
17:10 — 18:21
UA4585
United Airlines
Washington D.C. — Philadelphia
|
7h 21m including layover |
Find flight
from$289 |
|
09:37 — 17:48
+1 day
|
09:37 — 13:25
F93406
Frontier Airlines
Seattle — Denver
22h 41m stop
12:06 — 17:48
F93266
Frontier Airlines
Denver — Philadelphia
|
29h 11m including layover |
Find flight
from$87 |
|
11:05 — 21:40
|
10:55 — 16:59
UA747
United Airlines
Seattle — Chicago
1h 20m stop
18:25 — 21:35
UA1776
United Airlines
Chicago — Philadelphia
|
7h 35m including layover |
Find flight
from$202 |
|
11:05 — 14:24
+1 day
|
11:05 — 17:10
UA747
United Airlines
Seattle — Chicago
18h 10m stop
11:20 — 14:24
UA2733
United Airlines
Chicago — Philadelphia
|
24h 19m including layover |
Find flight
from$284 |
|
12:35 — 23:24
|
12:35 — 16:17
UA1483
United Airlines
Seattle — Denver
1h 33m stop
17:50 — 23:24
UA415
United Airlines
Denver — Philadelphia
|
7h 49m including layover |
Find flight
from$202 |
|
15:18 — 23:24
+1 day
|
15:18 — 19:00
UA757
United Airlines
Seattle — Denver
22h 50m stop
17:50 — 23:24
UA415
United Airlines
Denver — Philadelphia
|
29h 6m including layover |
Find flight
from$268 |
|
16:00 — 06:10
+1 day
|
16:00 — 18:31
NK414
Spirit Airlines
Seattle — Las Vegas
3h 53m stop
22:24 — 06:10
NK904
Spirit Airlines
Las Vegas — Philadelphia
|
11h 10m including layover |
Find flight
from$186 |
|
22:08 — 17:48
+1 day
|
22:08 — 01:51
F91176
Frontier Airlines
Seattle — Denver
10h 15m stop
12:06 — 17:48
F93266
Frontier Airlines
Denver — Philadelphia
|
16h 40m including layover |
Find flight
from$107 |
|
22:08 — 05:37
+2 days
|
20:19 — 00:05
F91176
Frontier Airlines
Seattle — Denver
22h 5m stop
23:59 — 05:30
F93340
Frontier Airlines
Denver — Philadelphia
|
28h 29m including layover |
Find flight
from$107 |
|
23:59 — 10:50
+1 day
|
23:59 — 06:00
UA2019
United Airlines
Seattle — Chicago
1h 45m stop
07:45 — 10:50
UA2418
United Airlines
Chicago — Philadelphia
|
7h 51m including layover |
Find flight
from$202 |
|
05:30 — 07:28
+1 day
|
05:30 — 07:55
NK176
Spirit Airlines
Seattle — Las Vegas
9h 52m stop
17:47 — 00:49
NK256
Spirit Airlines
Las Vegas — Detroit
4h 56m stop
05:45 — 07:28
NK818
Spirit Airlines
Detroit — Philadelphia
|
22h 58m including layover |
Find flight
from$202 |
|
06:00 — 05:22
+1 day
|
06:00 — 08:46
NK801
Spirit Airlines
Seattle — Los Angeles
3h 17m stop
12:03 — 13:24
NK712
Spirit Airlines
Los Angeles — Las Vegas
8h 11m stop
21:35 — 05:22
NK904
Spirit Airlines
Las Vegas — Philadelphia
|
20h 22m including layover |
Find flight
from$180 |
|
06:00 — 05:22
+1 day
|
06:00 — 08:46
NK801
Spirit Airlines
Seattle — Los Angeles
4h 54m stop
13:40 — 15:01
NK1494
Spirit Airlines
Los Angeles — Las Vegas
6h 34m stop
21:35 — 05:22
NK904
Spirit Airlines
Las Vegas — Philadelphia
|
20h 22m including layover |
Find flight
from$180 |
|
07:05 — 23:24
|
07:05 — 09:25
UA1403
United Airlines
Seattle — San Francisco
1h 45m stop
11:10 — 14:56
UA1986
United Airlines
San Francisco — Denver
2h 54m stop
17:50 — 23:24
UA415
United Airlines
Denver — Philadelphia
|
13h 19m including layover |
Find flight
from$241 |
|
12:50 — 13:40
+1 day
|
12:50 — 15:24
NK414
Spirit Airlines
Seattle — Las Vegas
3h 47m stop
19:11 — 20:30
NK1495
Spirit Airlines
Las Vegas — Los Angeles
9h stop
05:30 — 13:40
NK844
Spirit Airlines
Los Angeles — Philadelphia
|
21h 50m including layover |
Find flight
from$160 |
|
16:00 — 14:20
+1 day
|
16:00 — 18:31
NK414
Spirit Airlines
Seattle — Las Vegas
4h 15m stop
22:46 — 05:44
NK2376
Spirit Airlines
Las Vegas — Detroit
6h 58m stop
12:42 — 14:20
NK1013
Spirit Airlines
Detroit — Philadelphia
|
19h 20m including layover |
Find flight
from$214 |
|
17:25 — 14:24
+1 day
|
17:25 — 20:12
UA2397
United Airlines
Seattle — Los Angeles
3h 41m stop
23:53 — 05:54
UA1832
United Airlines
Los Angeles — Chicago
5h 26m stop
11:20 — 14:24
UA2733
United Airlines
Chicago — Philadelphia
|
17h 59m including layover |
Find flight
from$289 |
|
17:26 — 07:28
+1 day
|
17:26 — 20:14
NK261
Spirit Airlines
Seattle — Los Angeles
1h 26m stop
21:40 — 05:03
NK262
Spirit Airlines
Los Angeles — Detroit
42m stop
05:45 — 07:28
NK818
Spirit Airlines
Detroit — Philadelphia
|
11h 2m including layover |
Find flight
from$161 |
|
18:13 — 09:41
+1 day
|
18:13 — 20:32
UA737
United Airlines
Seattle — San Francisco
2h 13m stop
22:45 — 06:52
UA1849
United Airlines
San Francisco — Washington D.C.
1h 38m stop
08:30 — 09:41
UA4590
United Airlines
Washington D.C. — Philadelphia
|
12h 28m including layover |
Find flight
from$208 |
|
18:13 — 10:50
+1 day
|
18:13 — 20:32
UA737
United Airlines
Seattle — San Francisco
3h 27m stop
23:59 — 06:18
UA2097
United Airlines
San Francisco — Chicago
1h 15m stop
07:45 — 10:50
UA2418
United Airlines
Chicago — Philadelphia
|
13h 37m including layover |
Find flight
from$208 |
|
19:32 — 14:15
+1 day
|
19:32 — 21:50
UA737
United Airlines
Seattle — San Francisco
2h 5m stop
23:55 — 06:13
UA1112
United Airlines
San Francisco — Chicago
5h 2m stop
11:15 — 14:15
UA2182
United Airlines
Chicago — Philadelphia
|
15h 43m including layover |
Find flight
from$316 |
|
23:55 — 13:55
+1 day
|
23:55 — 05:52
UA747
United Airlines
Seattle — Chicago
2h 56m stop
08:48 — 11:44
UA2415
United Airlines
Chicago — Washington D.C.
1h 6m stop
12:50 — 13:55
UA6211
United Airlines
Washington D.C. — Philadelphia
|
11h including layover |
Find flight
from$240 |
Flight Information
Below we will explain in detail what the flights cost on the destination from Seattle to Philadelphia depends on and how to choose the most interesting flight option for you.
Distance between Seattle and Philadelphia is 3817 miles. Time difference between the cities is 3h. Airplanes depart 05:00 to 23:59 from 3 Seattle airports and arrive 05:00 to 23:59 to 4 Philadelphia airports. Average flight time is 5h 6m.
- The fastest flight 5h 6m
- Average flight time 5h 6m
- The earliest flight 05:00
- The latest flight 23:59
- Distance 2372 ml
The cheapest months to travel to Philadelphia are november (from 66 $), february (from 87 $), december (from 137 $).
The most expensive months are january (from 161 $), december (from 137 $), february (from 87 $).
What is the lowest airfare Seattle to Philadelphia?
The cheapest plane ticket found by our users is $87. This airfare is for economy class on one-way F93406 flight by Frontier Airlines for February 21, 2025 which leaves Seattle-Tacoma Intl in Seattle at 09:37 am and arrives at Philadelphia Philadelphia Int. at 17:48.
Popular Airlines on the Route
The flight Seattle — Philadelphia is served by 5 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 17 departures per week at the price of from $ 137 . And the most expensive tickets are offered by United Airlines airline - from $ 766.
Direct flights
There are 1 nonstop flights on the route. The fastest direct flight is AS442 by Alaska Airlines takes 5h 6m and the cheapest is F93406 by Frontier Airlines for $137.
- AS - Alaska Airlinesfrom $137Find
Connecting Flights
There are 150 flights with layovers on the route. The fastest connecting flight is UA1102 by United Airlines takes 7h 20m and the cheapest is F93406 by Frontier Airlines for $87.
- AS - Alaska Airlinesfrom $438Find
- F9 - Frontier Airlinesfrom $87Find
- SY - Sun Country Airlinesfrom $228Find
- UA - United Airlinesfrom $202Find
- NK - Spirit Airlinesfrom $160Find
Airports
You can fly from Seattle to Philadelphia from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAfrom $87Find
- Kenmore Air Harbor SPB-LKEFind
Philadelphia airports
- Philadelphia Int.-PHLFind
- North Philadelphia-PNEFind
- Mustin Alf-MUVFind
- Philadelphia Sea Plane Base-PSQFind
Airplanes
There are flights to Philadelphia from Seattle by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Seattle
You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.
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Top International Destinations from Seattle
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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