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Cheap flights from Philadelphia to Seattle (PHL - SEA) from $81

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHL — SEA
Apr 30 — May 71
From?
To?
Tue 4/30
Tue 5/7
1 adult, Economy
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The best prices from Philadelphia to Seattle/Tacoma Intl are usually found in October or January, booked 63 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Philadelphia to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 25, 2024.

Popular in

June

Cheapest in

October

Round-trip from

$244

One-way from

$140
High demand for flights, 33% potential price rise
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Best time to find cheap flights, 27% potential price drop
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From Philadelphia to Seattle/Tacoma Intl
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One-way flight from Philadelphia to Seattle/Tacoma Intl
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What is the cheapest day to fly round-trip from Philadelphia to Seattle?

Users have found that flying from Philadelphia to Seattle on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Philadelphia to Seattle?

Users have found that booking a flight from Philadelphia to Seattle at least 40 days early can save you up to 107% on average compared to booking a flight this week. If booking 40 days before your flight isn’t an option for you, users have found flights from Philadelphia to Seattle for as little as $505 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $759 for flights departing within the next 3 days.

What is the cheapest month to fly from Philadelphia to Seattle?

The best pricing can be found in the month of October. Prices to Seattle from Philadelphia average $418. You can even find prices in October for less than $418, as users have found deals to Seattle from as low as $139. The month of June appears to be one of the more expensive times to travel to Seattle from Philadelphia. Flying in the targeted month can save you up to 48%.

When is the cheapest time to fly from Philadelphia to Seattle (PHL - SEA)?

One of the essential ways to save on airfare from Philadelphia to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 28% on airfare.

Cheap Frontier flights from Philadelphia to Seattle

Explore cheap flight options specifically provided by Frontier for the route between Philadelphia and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Consider these cheap Frontier flights we've found departing from Philadelphia to Seattle. Make sure to double check the flight details before booking.
Thu 5/168:17 pmPHL - SEA
1 stop15h 28mFrontier
Thu 5/239:49 pmSEA - PHL
1 stop28h 45mFrontier
Deal found 4/24$118
Thu 5/168:17 pmPHL - SEA
1 stop15h 28mFrontier
Thu 5/239:49 pmSEA - PHL
1 stop28h 45mFrontier
Deal found 4/23$119
Fri 5/171:15 pmPHL - SEA
1 stop23h 07mFrontier
Thu 5/239:49 pmSEA - PHL
1 stop28h 45mFrontier
Deal found 4/23$128
Wed 5/158:40 pmPHL - SEA
1 stop14h 50mFrontier
Thu 5/239:49 pmSEA - PHL
1 stop28h 45mFrontier
Deal found 4/24$129
Thu 5/168:17 pmPHL - SEA
1 stop15h 28mFrontier
Mon 5/209:40 amSEA - PHL
1 stop16h 54mFrontier
Deal found 4/23$150
Thu 5/168:17 pmPHL - SEA
1 stop15h 28mFrontier
Sun 5/199:39 pmSEA - PHL
1 stop28h 55mFrontier
Deal found 4/24$158
Sun 5/128:40 pmPHL - SEA
1 stop13h 40mFrontier
Wed 5/159:50 pmSEA - PHL
1 stop11h 54mFrontier
Deal found 4/23$160
Sat 5/188:27 pmPHL - SEA
1 stop13h 37mFrontier
Thu 5/239:49 pmSEA - PHL
1 stop28h 45mFrontier
Deal found 4/23$162
Fri 5/171:15 pmPHL - SEA
1 stop23h 07mFrontier
Mon 5/209:40 amSEA - PHL
1 stop16h 54mFrontier
Deal found 4/23$164

  • One of the most popular airlines traveling from Philadelphia to Seattle is Frontier. Flights from Frontier traveling this route typically cost $427.80 RT. This price is typically 28% cheaper than other airlines that offer Philadelphia to Seattle flights. When booking this route, the cheapest RT price found was $159. Philadelphia Airport is the most common Philadelphia airport to take off from when flying to Seattle. Seattle/Tacoma Intl Airport is the most popular arrival airport in Seattle. When flying from Philadelphia to Seattle, Frontier flights are 11% more popular than any other airline flying that same route.

Cheap American Airlines flights from Philadelphia to Seattle

Explore cheap flight options specifically provided by American Airlines for the route between Philadelphia and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from Philadelphia to Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 9/46:30 pmPHL - SEA
Nonstop6h 03mAmerican Airlines
Tue 9/1010:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Deal found 4/23$277
Wed 9/181:57 pmPHL - SEA
1 stop9h 46mAmerican Airlines
Tue 9/2410:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Deal found 4/22$285
Sat 8/312:45 pmPHL - SEA
1 stop9h 26mAmerican Airlines
Tue 9/310:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Deal found 4/23$286
Wed 10/211:35 amPHL - SEA
1 stop7h 58mAmerican Airlines
Sun 10/610:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Deal found 4/23$315
Wed 8/141:40 pmPHL - SEA
1 stop9h 05mAmerican Airlines
Wed 8/2810:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Deal found 4/23$316
Wed 8/286:30 pmPHL - SEA
Nonstop6h 03mAmerican Airlines
Wed 9/410:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Deal found 4/24$327
Wed 5/16:47 pmPHL - SEA
Nonstop6h 11mAmerican Airlines
Tue 5/1410:55 pmSEA - PHL
Nonstop5h 12mAmerican Airlines
Deal found 4/23$497
Wed 5/16:47 pmPHL - SEA
Nonstop6h 11mAmerican Airlines
Mon 8/511:40 pmSEA - PHL
Nonstop4h 58mAmerican Airlines
Deal found 4/23$517
Wed 5/13:39 pmPHL - SEA
1 stop9h 31mAmerican Airlines
Mon 8/511:40 pmSEA - PHL
Nonstop4h 58mAmerican Airlines
Deal found 4/23$525

  • If you’re traveling from Philadelphia to Seattle, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $446.39 RT. This price is typically 62% more expensive than other airlines that offer Philadelphia to Seattle flights. When booking this route, the cheapest RT price found was $188. The most popular departure airport in Philadelphia when flying to Seattle is Philadelphia Airport. The most popular airport to fly into when visiting Seattle is Seattle/Tacoma Intl Airport. When flying from Philadelphia to Seattle, American Airlines flights are 3% more popular than any other airline flying that same route.

Cheap Philadelphia to Seattle flights in April & May 2024

Find cheap flight options from Philadelphia to Seattle specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,073,952 searches. Prices were last updated on April 25, 2024.
Scroll through some of the best deals on flights from Philadelphia to Seattle in 2024. Check back soon for alternative fares.
Wed 5/2211:50 amPHL - SEA
1 stop7h 50mSun Country Air
Sun 5/265:00 pmSEA - PHL
1 stop15h 06mSun Country Air
Deal found 4/23$286
Thu 5/161:49 pmPHL - SEA
1 stop10h 00mMultiple Airlines
Fri 5/245:40 pmSEA - PHL
1 stop14h 26mMultiple Airlines
Deal found 4/23$287
Mon 4/298:50 pmPHL - SEA
1 stop26h 45mFrontier
Thu 5/210:04 pmSEA - PHL
1 stop28h 41mFrontier
Deal found 4/23$288
Sun 5/198:27 pmPHL - SEA
1 stop15h 13mFrontier
Sat 5/2510:08 pmSEA - PHL
1 stop13h 12mFrontier
Deal found 4/23$289
Tue 5/218:00 amPHL - SEA
2 stops27h 45mMultiple Airlines
Sat 5/256:15 pmSEA - PHL
2 stops20h 42mMultiple Airlines
Deal found 4/24$291
Fri 5/248:27 pmPHL - SEA
1 stop27h 41mFrontier
Thu 5/309:30 amSEA - PHL
1 stop23h 40mFrontier
Deal found 4/23$292
Sat 5/118:40 pmPHL - SEA
1 stop28h 00mFrontier
Tue 5/218:14 pmSEA - PHL
1 stop12h 56mFrontier
Deal found 4/23$293
Wed 5/2211:50 amPHL - SEA
1 stop7h 50mMultiple Airlines
Wed 5/299:45 pmSEA - PHL
Nonstop5h 11mMultiple Airlines
Deal found 4/24$295
Tue 5/218:27 pmPHL - SEA
1 stop13h 37mMultiple Airlines
Sat 5/259:45 pmSEA - PHL
Nonstop5h 11mMultiple Airlines
Deal found 4/23$296

Philadelphia to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Scroll through some of the best deals on flights from Philadelphia to Seattle in 2024. Check back soon for alternative fares.
Wed 9/46:30 pmPHL - SEA
Nonstop6h 03mAmerican Airlines
Tue 9/1011:59 pmSEA - PHL
1 stop7h 50mAmerican Airlines
Deal found 4/23$285
Sat 8/312:45 pmPHL - SEA
1 stop9h 26mAmerican Airlines
Tue 9/310:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Deal found 4/23$286
Thu 5/161:49 pmPHL - SEA
1 stop10h 00mMultiple Airlines
Fri 5/245:40 pmSEA - PHL
1 stop14h 26mMultiple Airlines
Deal found 4/23$287
Mon 4/298:50 pmPHL - SEA
1 stop26h 45mFrontier
Thu 5/210:04 pmSEA - PHL
1 stop28h 41mFrontier
Deal found 4/23$288
Sun 5/198:27 pmPHL - SEA
1 stop15h 13mFrontier
Sat 5/2510:08 pmSEA - PHL
1 stop13h 12mFrontier
Deal found 4/23$289
Wed 6/268:30 pmPHL - SEA
1 stop16h 58mFrontier
Tue 7/910:08 pmSEA - PHL
1 stop28h 29mFrontier
Deal found 4/23$290
Tue 5/218:00 amPHL - SEA
2 stops27h 45mMultiple Airlines
Sat 5/256:15 pmSEA - PHL
2 stops20h 42mMultiple Airlines
Deal found 4/24$291
Tue 6/118:30 pmPHL - SEA
1 stop13h 39mFrontier
Sun 6/168:12 pmSEA - PHL
1 stop12h 58mFrontier
Deal found 4/23$292
Sat 5/118:40 pmPHL - SEA
1 stop28h 00mFrontier
Tue 5/218:14 pmSEA - PHL
1 stop12h 56mFrontier
Deal found 4/23$293

Non-stop flights to Seattle from Philadelphia

Discover non-stop flight options from Philadelphia to Seattle. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Take a look at some of the direct flights traveling from Philadelphia to Seattle in the near future. Search for alternative flights from Philadelphia to Seattle by utilizing the search form above.
Wed 9/46:30 pmPHL - SEA
Nonstop6h 03mAmerican Airlines
Tue 9/1010:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Deal found 4/23$277
Tue 9/246:59 pmPHL - SEA
Nonstop5h 57mAlaska Airlines
Wed 10/29:45 pmSEA - PHL
Nonstop5h 16mAlaska Airlines
Deal found 4/24$287
Tue 6/47:03 pmPHL - SEA
Nonstop5h 53mAlaska Airlines
Tue 6/119:49 amSEA - PHL
Nonstop5h 14mAlaska Airlines
Deal found 4/24$297
Tue 9/176:59 pmPHL - SEA
Nonstop5h 57mAlaska Airlines
Thu 9/199:39 pmSEA - PHL
Nonstop5h 01mAlaska Airlines
Deal found 4/24$307
Fri 5/317:03 pmPHL - SEA
Nonstop5h 53mAlaska Airlines
Sun 6/29:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 4/23$308
Tue 6/47:03 pmPHL - SEA
Nonstop5h 53mUndisclosed Carrier
Thu 6/69:45 pmSEA - PHL
Nonstop5h 11mUndisclosed Carrier
Deal found 4/23$313
Tue 6/47:21 amPHL - SEA
Nonstop5h 46mAlaska Airlines
Sun 6/99:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 4/23$317
Wed 8/286:30 pmPHL - SEA
Nonstop6h 03mAmerican Airlines
Wed 9/410:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Deal found 4/24$327
Tue 9/36:30 pmPHL - SEA
Nonstop6h 03mAmerican Airlines
Sun 9/810:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Deal found 4/23$332

Philadelphia to Seattle flights leaving soon

Find last-minute flight options from Philadelphia to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Users seeking a last-minute flight from Philadelphia to Seattle should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Thu 5/28:40 pmPHL - SEA
1 stop27h 54mFrontier
Mon 5/65:02 pmSEA - PHL
1 stop9h 43mFrontier
Deal found 4/24$229
Thu 5/28:40 pmPHL - SEA
1 stop27h 54mFrontier
Mon 6/36:29 pmSEA - PHL
1 stop8h 05mFrontier
Deal found 4/23$234
Fri 5/38:50 pmPHL - SEA
1 stop26h 42mFrontier
Mon 5/65:02 pmSEA - PHL
1 stop9h 43mFrontier
Deal found 4/24$235
Fri 5/38:50 pmPHL - SEA
1 stop26h 42mFrontier
Mon 5/68:20 amSEA - PHL
2 stops28h 29mFrontier
Deal found 4/24$240
Fri 5/38:50 pmPHL - SEA
1 stop20h 05mFrontier
Mon 5/65:02 pmSEA - PHL
1 stop9h 43mFrontier
Deal found 4/23$243
Fri 5/38:50 pmPHL - SEA
1 stop26h 42mFrontier
Sun 5/510:30 pmSEA - PHL
1 stop28h 15mFrontier
Deal found 4/23$244
Fri 5/38:50 pmPHL - SEA
1 stop20h 05mFrontier
Mon 5/68:20 amSEA - PHL
2 stops28h 29mFrontier
Deal found 4/23$249
Thu 5/28:40 pmPHL - SEA
1 stop27h 54mFrontier
Mon 5/65:02 pmSEA - PHL
1 stop9h 43mFrontier
Deal found 4/23$256
Thu 5/28:40 pmPHL - SEA
1 stop27h 54mFrontier
Mon 5/65:02 pmSEA - PHL
2 stops19h 47mFrontier
Deal found 4/23$261

One-way flights to Seattle from Philadelphia

Search for one-way flight options from Philadelphia to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Take a look at some of the best available options we've come across on one-way flights from Philadelphia to Seattle. For those needing a return trip from Philadelphia, there is a search form available above.
Thu 5/168:17 pmPHL - SEA
1 stop15h 28mFrontier
Deal found 4/24$81
Tue 6/41:04 pmPHL - SEA
1 stop9h 10mFrontier
Deal found 4/23$100
Wed 6/512:49 pmPHL - SEA
1 stop11h 02mFrontier
Deal found 4/24$101
Sat 6/18:27 pmPHL - SEA
1 stop13h 37mFrontier
Deal found 4/23$106
Sat 9/211:03 pmPHL - SEA
1 stop11h 08mFrontier
Deal found 4/23$109
Tue 5/214:35 pmPHL - SEA
2 stops19h 10mSpirit Airlines
Deal found 4/23$111
Tue 5/218:00 amPHL - SEA
3 stops27h 45mSpirit Airlines
Deal found 4/23$112
Tue 5/148:00 amPHL - SEA
2 stops27h 45mSpirit Airlines
Deal found 4/23$114
Fri 8/238:24 amPHL - SEA
1 stop13h 37mFrontier
Deal found 4/23$115

Find flights from Philadelphia to Seattle within your budget

Customize your flight search to find flights from Philadelphia to Seattle 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 3,073,952 searches. Data last updated April 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$118 - $297

Route

Depart

Return

Price

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Thu 5/16

1 stop15h 28m

Seattle/Tacoma Intl

Thu 5/23

1 stop28h 45m

$118

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Thu 5/16

1 stop15h 28m

Seattle/Tacoma Intl

Thu 5/23

1 stop28h 45m

$119

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Fri 5/17

1 stop23h 07m

Seattle/Tacoma Intl

Thu 5/23

1 stop28h 45m

$128

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Mon 5/13

2 stops19h 14m

Seattle/Tacoma Intl

Fri 5/17

1 stop28h 10m

$233

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Wed 5/22

1 stop7h 50m

Seattle/Tacoma Intl

Mon 5/27

1 stop7h 52m

$255

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Tue 5/21

2 stops19h 10m

Seattle/Tacoma Intl

Tue 5/28

2 stops22h 19m

$262

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Wed 9/4

Nonstop6h 03m

Seattle/Tacoma Intl

Tue 9/10

Nonstop5h 06m

$277

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Tue 9/24

1 stop11h 36m

Seattle/Tacoma Intl

Sat 9/28

1 stop8h 57m

$296

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Wed 6/5

Nonstop5h 53m

Seattle/Tacoma Intl

Wed 6/12

Nonstop5h 11m

$297

Flights are sorted by cheapest first

Deals found on 4/24

When is the best time to book a flight from Philadelphia to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Seattle. Price data was last updated on January 28, 2024.
The best time to book flights from Philadelphia to Seattle is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Philadelphia to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Seattle. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Philadelphia to Seattle flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Seattle by month

Plan your trip from Philadelphia to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Philadelphia to Seattle is currently $105 while a round-trip flight costs $221. Price data was last updated on April 21, 2024.

Currently, December is the cheapest month in which you can book a flight from Philadelphia to Seattle (average of $244). Flying from Philadelphia to Seattle in July is currently the most expensive (average of $408). 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.

January

$247

February

$254

March

$288

April

$295

May

$317

June

$407

July

$408

August

$343

September

$278

October

$257

November

$258

December

$244

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

41 - 66.2 °F

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated April 25, 2024.
Read through reviews of airlines operating flights from Philadelphia to Seattle, such as Frontier, American Airlines and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Crew

8.6

Entertainment

7.3

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Alaska Airlines
8.1
Very good
9,110 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Crew

8.6

Entertainment

7.3

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Delta
8.1
Very good
11,004 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Crew

8.6

Entertainment

7.3

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

JetBlue
7.6
Good
4,624 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Crew

8.6

Entertainment

7.3

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

United Airlines
7.4
Good
11,255 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Crew

8.6

Entertainment

7.3

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

American Airlines
7.3
Good
14,898 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Crew

8.6

Entertainment

7.3

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Philadelphia to Seattle?

    Booking a flight from Philadelphia (PHL) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Philadelphia to Seattle. On a typical day, there are 3 flights from Philadelphia to Seattle/Tacoma Intl, all of which are around 5h 46m for a nonstop flight. You can also purchase a plane ticket from 9 airlines when you book a flight from Philadelphia to Seattle.

  • Can I find flights from Philadelphia to Seattle for under $200 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to Seattle for under $200. The cheapest flight booked recently is on Frontier for just $118, but on average you can expect to pay $164.

  • Are there nonstop flights from Philadelphia to Seattle for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Philadelphia to Seattle under $300. A good price for a nonstop flight from Philadelphia to Seattle is less than $337.

  • Are there last-minute flights available from Philadelphia to Seattle for under $300?

    There are currently 20+ open flights from Philadelphia to Seattle within the next 7 days for less than $300.

  • What days are nonstop flights available from Philadelphia to Seattle?

    Nonstop flights are available for this route on the following days: Monday, Tuesday, Thursday, Saturday.

  • How popular is this Philadelphia to Seattle flight route?

    Flights from Philadelphia to Seattle/Tacoma Intl have been viewed 24 times in the past calendar month.

  • How many flights depart from Philadelphia to Seattle on average per day?

    On average, you can expect to see 6 flights from Philadelphia to Seattle a day.
    Morning (6am - Noon) - 33% of flight departures
    Evening (6pm - Midnight) - 67% of flight departures

  • How long is the flight from Philadelphia to Seattle?

    A quick flight from Philadelphia to Seattle can take about 15h 28m. Frontier provides one of the quickest options available for as low as $118. The distance between Philadelphia and Seattle is about 2385 mi.

  • What is the cheapest airline to fly from Philadelphia to Seattle round-trip?

    According to our current data, Frontier ($118), offers the cheapest pricing from Philadelphia to Seattle. This flight start at 71% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Philadelphia to Seattle one-way?

    One-way options have recently been found by users for as low as $81 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $111 and Sun Country Air from $123 one-way.

  • What are the most popular airlines that fly from Philadelphia to Seattle?

    The most popular airlines flying from Philadelphia to Seattle are Undisclosed Carrier, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

  • What are the most reliable airlines from Philadelphia to Seattle?

    Consider Qatar Airways (88%), American Airlines (86%) or British Airways (86%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to Seattle.

  • What are the cheapest flights from Philadelphia to Seattle?

    While on average a flight from Philadelphia to Seattle is generally $893, our data shows the cheapest flight currently is $152. When looking at the most popular route, (Philadelphia - Seattle/Tacoma Intl), you can expect to pay $191 for that flight.

  • What does PHL to SEA mean?

    PHL stands for Philadelphia Airport, while SEA stands for Seattle/Tacoma Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Where are the most common layover locations when flying from Philadelphia to Seattle?

    Philadelphia to Seattle flights have a layover in Chicago most often. Denver sees the second most layovers for non-direct flights flying from Philadelphia to Seattle.

  • What are some popular things to do or see while on a layover in Chicago?

    Grant Park, Magnificent Mile, and Wrigley Field are the most popular attractions in Chicago if you're in need of something to do during your layover. Those on a layover in Chicago interested in visiting Grant Park, Magnificent Mile, or Wrigley Field can do so by traveling 16.2 mi, 15.5 mi, and 13.0 mi, respectively from Chicago O'Hare Intl. Travelers in need of a car in Chicago can rent one for about $56 per day.

  • What are some popular points of interest to see during a layover in Denver?

    Most Denver visitors opt to spend their time at Coors Field, 16th Street Mall, and Civic Center Park. Coors Field, 16th Street Mall and Civic Center Park are located about 18.4 mi, 18.7 mi, and 18.7 mi, respectively from Denver Intl if you are interested in checking them out. Those looking to explore during their layover in Denver can rent a car from Denver Intl for about $47 per day.

  • Where are the least popular layover locations for Philadelphia to Seattle flights?

    Flights departing from Philadelphia and landing in Seattle layover in Salt Lake City least frequently.

  • Can I find deals for flights from Philadelphia to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Philadelphia to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Philadelphia to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Philadelphia to Seattle that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Seattle.

  • Can I find deals for business class flights from Philadelphia to Seattle?

    Yes. Cheapflights offers flight deals from Philadelphia to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Philadelphia to Seattle that allow pets onboard?

    Many airlines flying from Philadelphia to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Philadelphia to Seattle?

    Yes, you can often find last-minute deals on Philadelphia to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Philadelphia to Seattle flight deals updated?

    The Philadelphia to Seattle flight deals you see on this page were last updated on 4/24.

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Fly from Philadelphia to Seattle on these airlines
Choose from the following airlines for your flight from Philadelphia to Seattle. Flights are based on user searches made on Cheapflights and were last updated on April 25, 2024.

American Airlines flights from Philadelphia to Seattle/Tacoma Intl
Alaska Airlines flights from Philadelphia to Seattle/Tacoma Intl
Delta flights from Philadelphia to Seattle/Tacoma Intl

Top 8 airlines flying from Philadelphia to Seattle

Discover the top 8 airlines that operate flights from Philadelphia to Seattle. 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 3,073,952 searches. Data last updated April 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$114Average$189FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FrontierCheapest$124Average$275FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$130Average$280FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$138Average$347FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$159Average$428FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$188Average$446FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Sun Country AirCheapest$206Average$475FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
American AirlinesCheapest$252Average$473FlexibilityNo cancel feeOn-time71%
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Search flights from Philadelphia to Seattle by cabin class

Find flights from Philadelphia to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Philadelphia to Seattle

Find hourly flight availability from Philadelphia to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
10%of flight departuresMorning6 am to noon
89%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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6 AM
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Weekly flight availability from Philadelphia to Seattle

Explore weekly flight availability from Philadelphia to Seattle. 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 April 25, 2024.
Sunday4daily flights
Monday5daily flights
Tuesday3daily flights
Wednesday2daily flights
Thursday2daily flights
Friday3daily flights
Saturday4daily flights

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Yes! Cheapflights helps users easily find flights from Philadelphia to Seattle with no change fees.

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