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Cheap flights from Philadelphia to Seattle (PHL - SEA) from $149

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 6/4. 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
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
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The best prices from Philadelphia to Seattle/Tacoma Intl are usually found in October or November, 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 May 9, 2024.

Popular in

June

Cheapest in

October

Round-trip from

$247

One-way from

$173
High demand for flights, 27% 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 46 days early can save you up to 104% on average compared to booking a flight this week. If booking 46 days before your flight isn’t an option for you, users have found flights from Philadelphia to Seattle for as little as $514 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 $804 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 $408. You can even find prices in October for less than $408, 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 37%.

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 23% on airfare.

Cheap Spirit Airlines flights from Philadelphia to Seattle

Explore cheap flight options specifically provided by Spirit 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 2,752,338 searches. Data last updated May 9, 2024.
Consider these cheap Spirit Airlines flights we've found departing from Philadelphia to Seattle. Make sure to double check the flight details before booking.
Sat 5/1812:25 pmPHL - SEA
2 stops23h 20mSpirit Airlines
Wed 6/58:59 pmSEA - PHL
2 stops24h 35mSpirit Airlines
Deal found 5/7$260
Sat 5/1812:25 pmPHL - SEA
2 stops23h 20mSpirit Airlines
Mon 5/279:40 pmSEA - PHL
2 stops18h 40mSpirit Airlines
Deal found 5/8$266
Fri 5/315:10 amPHL - SEA
3 stops30h 35mSpirit Airlines
Sun 6/29:40 pmSEA - PHL
2 stops19h 29mSpirit Airlines
Deal found 5/7$308
Sat 5/1812:25 pmPHL - SEA
2 stops23h 20mSpirit Airlines
Wed 5/229:40 pmSEA - PHL
2 stops17h 17mSpirit Airlines
Deal found 5/8$314
Sat 6/1512:25 pmPHL - SEA
2 stops23h 07mSpirit Airlines
Tue 6/189:49 amSEA - PHL
1 stop17h 01mSpirit Airlines
Deal found 5/7$323
Sat 5/1812:25 pmPHL - SEA
3 stops23h 20mSpirit Airlines
Wed 6/58:59 pmSEA - PHL
2 stops24h 35mSpirit Airlines
Deal found 5/7$337
Tue 6/118:06 pmPHL - SEA
2 stops15h 26mSpirit Airlines
Wed 6/198:59 pmSEA - PHL
2 stops24h 35mSpirit Airlines
Deal found 5/8$350
Wed 7/243:30 pmPHL - SEA
2 stops11h 24mSpirit Airlines
Wed 7/315:20 amSEA - PHL
2 stops16h 10mSpirit Airlines
Deal found 5/8$354
Wed 5/153:59 pmPHL - SEA
2 stops19h 46mSpirit Airlines
Wed 5/299:40 pmSEA - PHL
2 stops17h 17mSpirit Airlines
Deal found 5/8$361

  • If you’re traveling from Philadelphia to Seattle, one of the more common airlines traveling that route is Spirit Airlines. Philadelphia to Seattle flights are typically 61% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $423.69 RT. The cheapest Spirit Airlines flight found for this route was $159. When traveling from Philadelphia to Seattle on Spirit Airlines, the most popular airport to depart from is Philadelphia Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport. When flying from Philadelphia to Seattle, Spirit Airlines flights are 11% more popular than any other airline flying that same route.

Cheap Alaska Airlines flights from Philadelphia to Seattle

Explore cheap flight options specifically provided by Alaska 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 2,752,338 searches. Data last updated May 9, 2024.
To aid your search, here are some of the cheapest Alaska 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.
Fri 5/317:03 pmPHL - SEA
Nonstop5h 53mAlaska Airlines
Sun 6/29:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 5/7$317
Sun 6/97:21 amPHL - SEA
Nonstop5h 46mAlaska Airlines
Tue 6/119:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 5/8$322
Mon 6/107:03 pmPHL - SEA
Nonstop5h 53mAlaska Airlines
Tue 6/119:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 5/8$387
Sun 6/97:21 amPHL - SEA
Nonstop5h 46mAlaska Airlines
Mon 6/179:35 pmSEA - PHL
Nonstop5h 02mAlaska Airlines
Deal found 5/8$412
Wed 6/57:21 amPHL - SEA
Nonstop5h 46mAlaska Airlines
Sat 6/159:35 pmSEA - PHL
Nonstop5h 02mAlaska Airlines
Deal found 5/8$437
Wed 5/156:57 pmPHL - SEA
Nonstop5h 58mAlaska Airlines
Wed 5/299:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 5/8$607
Fri 5/177:21 amPHL - SEA
Nonstop5h 46mAlaska Airlines
Wed 6/59:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 5/7$657
Fri 5/177:21 amPHL - SEA
Nonstop5h 46mAlaska Airlines
Mon 5/209:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 5/8$812
Sat 5/187:03 pmPHL - SEA
Nonstop5h 53mAlaska Airlines
Wed 6/59:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 5/7$817

  • Alaska Airlines is one of the most popular airlines used for those traveling from Philadelphia to Seattle. Flights on this route from Alaska Airlines typically cost $446.39 RT, a price that is 71% cheaper than the average Philadelphia to Seattle flight. The cheapest flight found was $188 RT. 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, Alaska Airlines flights are 3% more popular than any other airline flying that same route.

Cheap Philadelphia to Seattle flights in May & June 2024

Find cheap flight options from Philadelphia to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 9, 2024.
Scroll through some of the best deals on flights from Philadelphia to Seattle in 2024. Check back soon for alternative fares.
Thu 6/611:55 amPHL - SEA
1 stop13h 59mSun Country Air
Mon 6/106:15 pmSEA - PHL
1 stop13h 14mSun Country Air
Deal found 5/8$168
Wed 5/158:40 pmPHL - SEA
1 stop14h 50mFrontier
Wed 5/228:04 amSEA - PHL
1 stop18h 31mFrontier
Deal found 5/8$173
Sat 6/18:27 pmPHL - SEA
1 stop13h 37mFrontier
Tue 6/48:14 pmSEA - PHL
1 stop12h 54mFrontier
Deal found 5/8$180
Sat 6/81:29 pmPHL - SEA
1 stop11h 07mMultiple Airlines
Wed 6/125:50 pmSEA - PHL
1 stop14h 13mMultiple Airlines
Deal found 5/8$181
Wed 6/511:28 amPHL - SEA
1 stop10h 57mSun Country Air
Wed 6/125:50 pmSEA - PHL
1 stop14h 13mSun Country Air
Deal found 5/8$182
Sat 6/81:29 pmPHL - SEA
1 stop11h 07mFrontier
Tue 6/111:47 pmSEA - PHL
2 stops13h 38mFrontier
Deal found 5/8$185
Wed 5/2911:50 amPHL - SEA
1 stop7h 50mSun Country Air
Wed 6/125:50 pmSEA - PHL
1 stop14h 13mSun Country Air
Deal found 5/8$187
Sat 6/18:27 pmPHL - SEA
1 stop13h 37mFrontier
Wed 6/59:41 pmSEA - PHL
1 stop28h 55mFrontier
Deal found 5/8$190
Sat 5/251:15 pmPHL - SEA
1 stop10h 53mFrontier
Fri 5/3110:24 pmSEA - PHL
1 stop10h 46mFrontier
Deal found 5/7$192

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 2,752,338 searches. Data last updated May 9, 2024.
Scroll through some of the best deals on flights from Philadelphia to Seattle in 2024. Check back soon for alternative fares.
Thu 6/611:55 amPHL - SEA
1 stop13h 59mSun Country Air
Mon 6/106:15 pmSEA - PHL
1 stop13h 14mSun Country Air
Deal found 5/8$168
Wed 5/158:40 pmPHL - SEA
1 stop14h 50mFrontier
Wed 5/228:04 amSEA - PHL
1 stop18h 31mFrontier
Deal found 5/8$173
Sat 6/18:27 pmPHL - SEA
1 stop13h 37mFrontier
Tue 6/48:14 pmSEA - PHL
1 stop12h 54mFrontier
Deal found 5/8$180
Sat 6/81:29 pmPHL - SEA
1 stop11h 07mMultiple Airlines
Wed 6/125:50 pmSEA - PHL
1 stop14h 13mMultiple Airlines
Deal found 5/8$181
Wed 6/511:28 amPHL - SEA
1 stop10h 57mSun Country Air
Wed 6/125:50 pmSEA - PHL
1 stop14h 13mSun Country Air
Deal found 5/8$182
Sat 6/81:29 pmPHL - SEA
1 stop11h 07mFrontier
Tue 6/111:47 pmSEA - PHL
2 stops13h 38mFrontier
Deal found 5/8$185
Wed 5/2911:50 amPHL - SEA
1 stop7h 50mSun Country Air
Wed 6/125:50 pmSEA - PHL
1 stop14h 13mSun Country Air
Deal found 5/8$187
Tue 8/138:34 pmPHL - SEA
1 stop15h 03mFrontier
Sat 8/3110:08 pmSEA - PHL
1 stop28h 29mFrontier
Deal found 5/7$188
Sat 6/18:27 pmPHL - SEA
1 stop13h 37mFrontier
Wed 6/59:41 pmSEA - PHL
1 stop28h 55mFrontier
Deal found 5/8$190

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 2,752,338 searches. Data last updated May 9, 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.
Sat 8/318:25 amPHL - SEA
Nonstop5h 57mAmerican Airlines
Tue 9/311:38 pmSEA - PHL
Nonstop5h 07mAmerican Airlines
Deal found 5/8$287
Sun 5/266:45 pmPHL - SEA
Nonstop6h 05mAmerican Airlines
Sat 6/110:55 pmSEA - PHL
Nonstop5h 12mAmerican Airlines
Deal found 5/8$292
Wed 5/297:21 amPHL - SEA
Nonstop5h 46mAlaska Airlines
Wed 6/129:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 5/8$297
Wed 5/296:45 pmPHL - SEA
Nonstop6h 05mAmerican Airlines
Wed 6/511:35 pmSEA - PHL
Nonstop5h 10mAmerican Airlines
Deal found 5/8$302
Tue 6/117:16 pmPHL - SEA
Nonstop6h 13mAmerican Airlines
Tue 6/1811:35 pmSEA - PHL
Nonstop5h 10mAmerican Airlines
Deal found 5/8$307
Mon 9/96:59 pmPHL - SEA
Nonstop5h 57mUndisclosed Carrier
Wed 9/119:39 pmSEA - PHL
Nonstop5h 01mUndisclosed Carrier
Deal found 5/9$312
Mon 9/166:30 pmPHL - SEA
Nonstop6h 03mAmerican Airlines
Sat 9/2110:54 pmSEA - PHL
Nonstop5h 06mAmerican Airlines
Deal found 5/8$317
Sun 6/97:21 amPHL - SEA
Nonstop5h 46mAlaska Airlines
Tue 6/119:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 5/8$322
Fri 6/77:16 pmPHL - SEA
Nonstop6h 13mAmerican Airlines
Tue 6/1111:35 pmSEA - PHL
Nonstop5h 10mAmerican Airlines
Deal found 5/8$327

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 2,752,338 searches. Data last updated May 9, 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.
Wed 5/158:40 pmPHL - SEA
1 stop14h 50mFrontier
Wed 5/228:04 amSEA - PHL
1 stop18h 31mFrontier
Deal found 5/8$173
Wed 5/158:40 pmPHL - SEA
1 stop14h 50mFrontier
Wed 5/298:34 amSEA - PHL
1 stop25h 35mFrontier
Deal found 5/8$190
Wed 5/158:40 pmPHL - SEA
1 stop14h 50mFrontier
Fri 5/1710:24 pmSEA - PHL
1 stop10h 46mFrontier
Deal found 5/7$197
Sat 5/188:27 pmPHL - SEA
1 stop13h 37mFrontier
Wed 5/228:04 amSEA - PHL
1 stop18h 31mFrontier
Deal found 5/8$201
Wed 5/158:40 pmPHL - SEA
1 stop14h 50mFrontier
Tue 5/218:14 pmSEA - PHL
1 stop12h 56mFrontier
Deal found 5/7$207
Sat 5/181:15 pmPHL - SEA
1 stop20h 49mFrontier
Wed 6/59:41 pmSEA - PHL
1 stop28h 55mFrontier
Deal found 5/7$209
Wed 5/158:40 pmPHL - SEA
1 stop14h 50mMultiple Airlines
Wed 5/299:40 pmSEA - PHL
2 stops17h 17mMultiple Airlines
Deal found 5/8$211
Fri 5/178:27 pmPHL - SEA
1 stop15h 55mFrontier
Wed 5/228:04 amSEA - PHL
1 stop18h 31mFrontier
Deal found 5/8$212
Fri 5/178:27 pmPHL - SEA
1 stop15h 55mMultiple Airlines
Wed 6/58:59 pmSEA - PHL
2 stops24h 35mMultiple Airlines
Deal found 5/7$217

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 2,752,338 searches. Data last updated May 9, 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.
Tue 6/46:45 pmPHL - SEA
Nonstop6h 05mAmerican Airlines
Deal found 5/8$149
Thu 5/2312:35 pmPHL - SEA
2 stops23h 10mMultiple Airlines
Deal found 5/8$150
Sun 6/2312:06 pmPHL - SEA
1 stop13h 48mSun Country Air
Deal found 5/8$151
Sat 6/15:11 pmPHL - SEA
2 stops18h 34mSpirit Airlines
Deal found 5/8$152
Tue 6/188:00 amPHL - SEA
2 stops27h 32mSpirit Airlines
Deal found 5/8$153
Sat 5/2512:05 pmPHL - SEA
1 stop8h 05mSun Country Air
Deal found 5/9$154
Sat 6/85:35 amPHL - SEA
2 stops29h 27mMultiple Airlines
Deal found 5/8$155
Tue 6/185:51 pmPHL - SEA
1 stop16h 15mFrontier
Deal found 5/8$156
Tue 7/95:00 amPHL - SEA
2 stops18h 51mSpirit Airlines
Deal found 5/8$157

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 2,752,338 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$294 - $331

Route

Depart

Return

Price

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Sat 6/8

1 stop11h 07m

Seattle/Tacoma Intl

Sun 6/16

2 stops15h 36m

$294

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Fri 6/7

1 stop13h 41m

Seattle/Tacoma Intl

Tue 6/11

Nonstop5h 11m

$295

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Fri 5/17

1 stop23h 07m

Seattle/Tacoma Intl

Mon 5/20

2 stops18h 40m

$296

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Sun 5/12

1 stop13h 40m

Seattle/Tacoma Intl

Wed 5/15

1 stop28h 34m

$299

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Tue 6/11

Nonstop6h 13m

Seattle/Tacoma Intl

Tue 6/18

Nonstop5h 10m

$307

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Fri 5/31

3 stops30h 35m

Seattle/Tacoma Intl

Sun 6/2

2 stops19h 29m

$308

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Fri 8/2

1 stop13h 32m

Seattle/Tacoma Intl

Mon 8/5

1 stop7h 48m

$309

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Fri 5/31

Nonstop5h 53m

Seattle/Tacoma Intl

Sun 6/2

Nonstop5h 11m

$317

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Fri 5/31

1 stop8h 04m

Seattle/Tacoma Intl

Wed 6/5

1 stop6h 55m

$331

Flights are sorted by cheapest first

Deals found on 5/8

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 May 3, 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 May 5, 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 $153 while a round-trip flight costs $306. Price data was last updated on May 5, 2024.

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Seattle (average of $247). 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

$294

May

$321

June

$406

July

$408

August

$342

September

$278

October

$256

November

$258

December

$247

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 May 9, 2024.
Read through reviews of airlines operating flights from Philadelphia to Seattle, such as Spirit Airlines, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

7.3

Boarding

8.2

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
9,142 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
10,778 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

7.3

Boarding

8.2

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
4,521 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

7.3

Boarding

8.2

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
11,027 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

7.3

Boarding

8.2

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
14,665 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

7.3

Boarding

8.2

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 $300 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to Seattle for under $300. The cheapest flight booked recently is on Frontier for just $294, but on average you can expect to pay $303.

  • 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 $341.

  • Are there last-minute flights available from Philadelphia to Seattle for under $200?

    There are currently 20+ open flights from Philadelphia to Seattle within the next 7 days for less than $200.

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

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

  • How popular is this Philadelphia to Seattle flight route?

    Flights from Philadelphia to Seattle/Tacoma Intl have been viewed 26 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 9 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 6h 13m. Frontier provides one of the quickest options available for as low as $294. The distance between Philadelphia and Seattle is about 2385 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Philadelphia to Seattle round-trip?

    According to our current data, Frontier ($294), American Airlines ($307), and Spirit Airlines ($308) offers the cheapest pricing from Philadelphia to Seattle. These flights start at 27% 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 $149 on American Airlines. Other airlines that offer cheap prices include Sun Country Air from $151 and Spirit Airlines from $152 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 (86%), American Airlines (85%) or British Airways (85%) 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 $1,029, our data shows the cheapest flight currently is $163. When looking at the most popular route, (Philadelphia - Seattle/Tacoma Intl), you can expect to pay $168 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 $55 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 $43 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 5/8.

See more FAQs

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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 May 9, 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 2,752,338 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$114Average$189FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FrontierCheapest$126Average$277FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$129Average$280FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$138Average$356FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$159Average$424FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$188Average$446FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Sun Country AirCheapest$226Average$445FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
American AirlinesCheapest$256Average$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 May 9, 2024.
1%of flight departuresEarly morningMidnight to 6 am
17%of flight departuresMorning6 am to noon
82%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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6 AM
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6 PM

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 May 9, 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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Of course! You can now track prices for flights from Philadelphia to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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