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Save an average of $240 per person when bundling your flight and hotel together with Priceline
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Pricebreaker Offers
Great Deals Available, Limited Time offers!
Offer ends: 6 June
Flight from Philadelphia (PHL) to Seattle (SEA)
Jun 6 - Jun 11|Round trip
Frontier AirlinesSave 23%
$325$249
Offer ends: 28 May
Flight from Philadelphia (PHL) to Seattle (SEA)
May 28 - Jun 1|Round trip
Spirit AirlinesSave 22%
$324$254
Offer ends: 4 June
Flight from Philadelphia (PHL) to Seattle (SEA)
Jun 4 - Jun 9|Round trip
Spirit AirlinesSave 20%
$325$260
Offer ends: 10 June
Flight from Philadelphia (PHL) to Seattle (SEA)
Jun 10 - Jun 15|Round trip
American AirlinesSave 16%
$324$273
Offer ends: 27 May
Flight from Philadelphia (PHL) to Seattle (SEA)
May 27 - May 30|Round trip
United AirlinesSave 14%
$324$278
Offer ends: 17 July
Flight from Philadelphia (PHL) to Seattle (SEA)
Jul 17 - Jul 22|Round trip
United AirlinesSave 12%
$324$284
Offer ends: 18 July
Flight from Philadelphia (PHL) to Seattle (SEA)
Jul 18 - Jul 21|Round trip
United AirlinesSave 13%
$325$284
Offer ends: 16 May
Flight from Philadelphia (PHL) to Seattle (SEA)
May 16 - May 19|Round trip
Delta Air LinesSave 11%
$325$289
Stops
- Nonstopfrom $280
- Up to 1 stop$251
- Up to 2 stops$392
Airlines
- Alaska Airlines$336
- American Airlines$280
- Delta Air Lines$299
- Frontier Airlines$279
- Hawaiian Airlines$356
- Southwest Airlines$387
- Spirit Airlines$251
- Sun Country Airlines$451
- United Airlines$290
Cabin Class
- Economy$251
Departure Airports
- Philadelphia International Airport$251
Arrival Airports
- Seattle Tacoma International Airport$251
Layover Airports
- Charlotte Douglas International Airport$290
- Chicago Midway Airport$387
- Chicago O Hare Airport$290
- Dallas Fort Worth International Airport$456
- Denver International Airport$279
- Detroit Metropolitan Airport$435
- Harry Reid International Airport$251
- Hartsfield Jackson Atlanta International Airport$388
- Los Angeles International Airport$300
- Minneapolis-St Paul International/Wold-Chamberlain Airport$355
- New York LaGuardia Airport$438
- Phoenix Sky Harbor International Airport$428
- Reagan Washington National Airport$461
- Salt Lake City International Airport$299
- San Francisco International Airport$386
- Washington Dulles Airport$386
Best Price. GUARANTEED.
Exclusively for Priceline Members
Tired of searching? Book now!
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BUNDLE & SAVE
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On average save $240 per traveler
05/20/25
PHL
6h 10m
LAS
05/21/25
SEA
05/21/25
SEA
24h 1m
LAS
05/22/25
PHL
$251
Free cancellation within 83 hours of booking
05/09/25
PHL
6h 2m
DEN
05/10/25
SEA
05/16/25
SEA
32h 44m
DEN
05/17/25
PHL
$279
Free cancellation within 83 hours of booking
05/11/25
PHL
3h 5m
Direct
05/11/25
SEA
05/16/25
SEA
8h 15m
Direct
05/17/25
PHL
$280
Free cancellation within 83 hours of booking
05/11/25
PHL
3h 5m
Direct
05/11/25
SEA
05/16/25
SEA
11h 16m
CLT
05/17/25
PHL
$290
Free cancellation within 83 hours of booking
05/11/25
PHL
6h 49m
ORD
05/11/25
SEA
05/16/25
SEA
8h 15m
Direct
05/17/25
PHL
$290
Free cancellation within 83 hours of booking
05/29/25
PHL
5h 11m
SLC
05/29/25
SEA
06/05/25
SEA
12h
SLC
06/06/25
PHL
$299
Free cancellation within 83 hours of booking
05/11/25
PHL
9h 6m
LAX
05/11/25
SEA
05/16/25
SEA
11h 16m
CLT
05/17/25
PHL
$300
Free cancellation within 83 hours of booking
05/11/25
PHL
5h 11m
SLC
05/11/25
SEA
05/16/25
SEA
12h
SLC
05/17/25
PHL
$300
Free cancellation within 83 hours of booking
05/11/25
PHL
6h 49m
ORD
05/11/25
SEA
05/16/25
SEA
11h 16m
CLT
05/17/25
PHL
$300
Free cancellation within 83 hours of booking
05/27/25
PHL
6h 10m
LAS
05/28/25
SEA
05/30/25
SEA
14h 41m
LAS
05/31/25
PHL
$311
Free cancellation within 83 hours of booking
05/28/25
PHL
2h 59m
Direct
05/28/25
SEA
06/02/25
SEA
8h 15m
Direct
06/03/25
PHL
$336
Free cancellation within 83 hours of booking
05/25/25
PHL
6h 59m
MSP
05/25/25
SEA
06/01/25
SEA
12h
SLC
06/02/25
PHL
$355
Free cancellation within 83 hours of booking
05/29/25
PHL
2h 59m
Direct
05/29/25
SEA
06/02/25
SEA
8h 15m
Direct
06/03/25
PHL
$356
Free cancellation within 83 hours of booking
05/29/25
PHL
2h 59m
Direct
05/29/25
SEA
06/05/25
SEA
8h 15m
Direct
06/06/25
PHL
$356
Free cancellation within 83 hours of booking
05/24/25
PHL
6h 54m
SFO
05/25/25
SEA
05/25/25
SEA
10h 16m
IAD
05/26/25
PHL
$386
Free cancellation within 83 hours of booking
05/20/25
PHL
10h 20m
MDW
05/20/25
SEA
05/21/25
SEA
15h 20m
MDW
05/21/25
PHL
$387
Free cancellation within 83 hours of booking
05/14/25
PHL
6h 3m
ATL
05/14/25
SEA
05/21/25
SEA
13h 38m
ATL
05/22/25
PHL
$388
Free cancellation within 83 hours of booking
05/20/25
PHL
5h 23m
IAD
05/20/25
SEA
05/24/25
SEA
13h 43m
SFO
05/25/25
PHL
$391
Free cancellation within 83 hours of booking
05/20/25
PHL
6h 39m
SFO
05/21/25
SEA
05/21/25
SEA
14h 10m
ORD
IAD
05/22/25
PHL
$392
Free cancellation within 83 hours of booking
05/20/25
PHL
9h 43m
IAD
SFO
05/20/25
SEA
05/21/25
SEA
14h 10m
ORD
IAD
05/22/25
PHL
$395
Free cancellation within 83 hours of booking
05/20/25
PHL
5h 15m
ORD
05/20/25
SEA
05/21/25
SEA
12h 14m
PHX
05/21/25
PHL
$428
Free cancellation within 83 hours of booking
05/27/25
PHL
5h 23m
DTW
05/27/25
SEA
06/03/25
SEA
10h 14m
DTW
06/04/25
PHL
$435
Free cancellation within 83 hours of booking
05/28/25
PHL
2h 59m
Direct
05/28/25
SEA
06/04/25
SEA
8h 15m
Direct
06/05/25
PHL
$436
Free cancellation within 83 hours of booking
05/15/25
PHL
9h 16m
PHX
LAX
05/15/25
SEA
05/19/25
SEA
8h 8m
Direct
05/20/25
PHL
$437
Free cancellation within 83 hours of booking
05/29/25
PHL
8h 37m
LGA
CLT
05/29/25
SEA
06/02/25
SEA
14h 44m
ORD
06/03/25
PHL
$438
Free cancellation within 83 hours of booking
05/23/25
PHL
6h 59m
MSP
05/23/25
SEA
05/26/25
SEA
9h 49m
DTW
05/26/25
PHL
$447
Free cancellation within 83 hours of booking
05/29/25
PHL
5h 6m
MSP
05/29/25
SEA
06/05/25
SEA
11h 11m
MSP
06/06/25
PHL
$451
Free cancellation within 83 hours of booking
05/27/25
PHL
5h 15m
ORD
05/27/25
SEA
06/03/25
SEA
11h 43m
DFW
06/03/25
PHL
$456
Free cancellation within 83 hours of booking
06/02/25
PHL
5h 52m
CLT
06/02/25
SEA
06/05/25
SEA
12h 13m
CLT
DCA
06/05/25
PHL
$461
Free cancellation within 83 hours of booking
05/26/25
PHL
5h 15m
ORD
05/26/25
SEA
05/30/25
SEA
11h 14m
DFW
05/30/25
PHL
$467
Free cancellation within 83 hours of booking
Top Deals on flights from Philadelphia to Seattle
Philadelphia, US (PHL) - Seattle, US (SEA)
May 31
PHL
6h 10m
LAS
Jun 1
SEA
as low as
$102
Philadelphia, US (PHL) - Seattle, US (SEA)
Jun 6
PHL
5h 33m
DEN
Jun 6
PAE
as low as
$124
Philadelphia, US (PHL) - Seattle, US (SEA)
Jun 10
PHL
5h 21m
DTW
Jun 10
SEA
as low as
$156
Philadelphia, US (PHL) - Seattle, US (SEA)
Jun 6
PHL
4h 48m
MSP
Jun 6
SEA
as low as
$156
Philadelphia, US (PHL) - Seattle, US (SEA)
Jun 9
PHL
5h 18m
SLC
Jun 10
SEA
as low as
$156
Philadelphia, US (PHL) - Seattle, US (SEA)
Jun 6
PHL
2h 59m
Direct
Jun 6
SEA
as low as
$168
Philadelphia, US (PHL) - Seattle, US (SEA)
Jun 6
PHL
2h 59m
Direct
Jun 6
SEA
as low as
$168
Philadelphia, US (PHL) - Seattle, US (SEA)
May 30
PHL
3h 5m
Direct
May 30
SEA
as low as
$183
Philadelphia, US (PHL) - Seattle, US (SEA)
May 29
PHL
6h 52m
Direct
May 29
SEA
as low as
$188
Philadelphia, US (PHL) - Seattle, US (SEA)
May 28
PHL
5h 20m
IAD
May 28
SEA
as low as
$193
Philadelphia, US (PHL) - Seattle, US (SEA)
May 29
PHL
6h 28m
ORD
May 29
SEA
as low as
$193
Philadelphia, US (PHL) - Seattle, US (SEA)
May 31
PHL
6h 54m
SFO
Jun 1
SEA
as low as
$193
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