Cheap flights from Philadelphia to Seattle (PHL - SEA)
The best prices from Philadelphia to Seattle/Tacoma Intl are usually found in February or March, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday
How to find the cheapest flight from Philadelphia (PHL) to Seattle (SEA)
All the information you need to plan the best PHL to SEA flight in 2023: compare Philadelphia to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
PHL - SEA Price | $297 - $693 |
|---|---|
SEA Temperature | 41 - 66.2 °F |
SEA Rainfall | 0.7 - 6.6 inches |
| Popular in | July | High demand for flights, 35% potential price rise |
|---|---|---|
| Cheapest in | February | Best time to find cheap flights, 34% potential price drop |
| Round-trip from | $297 | From Philadelphia to Seattle/Tacoma Intl |
| One-way from | $115 | One-way flight from Philadelphia to Seattle/Tacoma Intl |
What is the cheapest day to fly round-trip from Philadelphia to Seattle?
Users have found that flying from Philadelphia to Seattle on a Sunday 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 47% 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 $606 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 $702 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 February. Prices to Seattle from Philadelphia average $449. You can even find prices in February for less than $449, as users have found deals to Seattle from as low as $161. The month of July 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 54%.
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 44% on airfare.
Cheap flights from Philadelphia to Seattle in February, March 2023
The best prices found for PHL to SEA flights for February, March
Philadelphia
Seattle/Tacoma Intl
2 stops
14h 53mSeattle/Tacoma Intl
Philadelphia
1 stop
10h 12mSpirit Airlines
Philadelphia
Seattle/Tacoma Intl
1 stop
16h 53mSeattle/Tacoma Intl
Philadelphia
1 stop
14h 15mSpirit Airlines
Philadelphia
Seattle/Tacoma Intl
1 stop
17h 43mSeattle/Tacoma Intl
Philadelphia
1 stop
8h 25mFrontier
Philadelphia to Seattle 2023 flight deals
Cheap flights to Seattle from Philadelphia found for this year
Philadelphia
Seattle/Tacoma Intl
2 stops
14h 53mSeattle/Tacoma Intl
Philadelphia
1 stop
10h 12mSpirit Airlines
Philadelphia
Seattle/Tacoma Intl
2 stops
20h 55mSeattle/Tacoma Intl
Philadelphia
1 stop
7h 12mMultiple Airlines
Philadelphia
Seattle/Tacoma Intl
1 stop
16h 53mSeattle/Tacoma Intl
Philadelphia
1 stop
14h 15mSpirit Airlines
Cheap Spirit Airlines flights from Philadelphia to Seattle
Philadelphia
Seattle/Tacoma Intl
2 stops
14h 53mSeattle/Tacoma Intl
Philadelphia
1 stop
10h 12mSpirit Airlines
Philadelphia
Seattle/Tacoma Intl
1 stop
16h 53mSeattle/Tacoma Intl
Philadelphia
1 stop
14h 15mSpirit Airlines
Philadelphia
Seattle/Tacoma Intl
1 stop
15h 45mSeattle/Tacoma Intl
Philadelphia
1 stop
14h 37mSpirit Airlines
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 39% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $417.21 RT. The cheapest Spirit Airlines flight found for this route was $178. 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 23% more popular than any other airline flying that same route.
Cheap Frontier flights from Philadelphia to Seattle
Philadelphia
Seattle/Tacoma Intl
1 stop
17h 43mSeattle/Tacoma Intl
Philadelphia
1 stop
8h 25mFrontier
Philadelphia
Seattle/Tacoma Intl
1 stop
17h 29mSeattle/Tacoma Intl
Philadelphia
1 stop
9h 08mFrontier
Philadelphia
Seattle/Tacoma Intl
1 stop
18h 42mSeattle/Tacoma Intl
Philadelphia
1 stop
8h 27mFrontier
One of the most popular airlines traveling from Philadelphia to Seattle is Frontier. Flights from Frontier traveling this route typically cost $531.30 RT. This price is typically 31% cheaper than other airlines that offer Philadelphia to Seattle flights. When booking this route, the cheapest RT price found was $218. 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 14% more popular than any other airline flying that same route.
Non-stop flights to Seattle from Philadelphia
Save time with Philadelphia to Seattle direct flight deals
Philadelphia
Seattle/Tacoma Intl
Nonstop
6h 08mSeattle/Tacoma Intl
Philadelphia
Nonstop
4h 56mAmerican Airlines
Philadelphia
Seattle/Tacoma Intl
Nonstop
6h 08mSeattle/Tacoma Intl
Philadelphia
Nonstop
4h 55mAmerican Airlines
Philadelphia
Seattle/Tacoma Intl
Nonstop
5h 55mSeattle/Tacoma Intl
Philadelphia
Nonstop
5h 10mAlaska Airlines
Last minute flights from Philadelphia to Seattle
Late deals on return flights to Seattle from Philadelphia, departing today and this week
Philadelphia
Seattle/Tacoma Intl
1 stop
16h 34mSeattle/Tacoma Intl
Philadelphia
1 stop
9h 23mMultiple Airlines
Philadelphia
Seattle/Tacoma Intl
1 stop
16h 34mSeattle/Tacoma Intl
Philadelphia
2 stops
11h 41mMultiple Airlines
Philadelphia
Seattle/Tacoma Intl
2 stops
17h 03mSeattle/Tacoma Intl
Philadelphia
2 stops
10h 29mSpirit Airlines
One-way flights to Seattle from Philadelphia
The cheapest one-way flights from Philadelphia to Seattle
Philadelphia
Seattle/Tacoma Intl
2 stops
13h 45mSpirit Airlines
Philadelphia
Seattle/Tacoma Intl
2 stops
20h 55mSpirit Airlines
Philadelphia
Seattle/Tacoma Intl
1 stop
16h 53mSpirit Airlines
Reviews of Airlines Servicing Seattle
Boarding
Entertainment
Food
Comfort
Overall
Crew
Reviews
The flight was fine. The flight crew was super friendly and helpful. There tv monitors on the plane were outdated and useless. Other than that my trip was perfect!
Boarding
Entertainment
Food
Comfort
Overall
Crew
Reviews
The flight was fine. The flight crew was super friendly and helpful. There tv monitors on the plane were outdated and useless. Other than that my trip was perfect!
Boarding
Entertainment
Food
Comfort
Overall
Crew
Reviews
The flight was fine. The flight crew was super friendly and helpful. There tv monitors on the plane were outdated and useless. Other than that my trip was perfect!
Boarding
Entertainment
Food
Comfort
Overall
Crew
Reviews
The flight was fine. The flight crew was super friendly and helpful. There tv monitors on the plane were outdated and useless. Other than that my trip was perfect!
Related info for your journey
Useful info, stats and facts about Philadelphia to Seattle flights.
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 5 flights from Philadelphia to Seattle/Tacoma Intl, all of which are around 6h 00m for a nonstop flight. You can also purchase a plane ticket from 12 airlines when you book a flight from Philadelphia to Seattle.
Which airlines flying from Philadelphia to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?
American Airlines, Alaska Airlines, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
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 Spirit Airlines for just $162, but on average you can expect to pay $172.
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 $361.
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: Sunday, Tuesday, Wednesday, Thursday, Friday, Saturday.
How popular is this Philadelphia to Seattle flight route?
Flights from Philadelphia to Seattle/Tacoma Intl have been viewed 52 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.
Afternoon (Noon - 6pm) - 100% of flight departures
How long is the flight from Philadelphia to Seattle?
A quick flight from Philadelphia to Seattle can take about 14h 53m. Spirit Airlines provides one of the quickest options available for as low as $162. 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, Spirit Airlines ($162), and Frontier ($165) offers the cheapest pricing from Philadelphia to Seattle. These flights start at 63% 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 $76 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $86 and JetBlue from $115 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 Alaska Airlines (86%), Qatar Airways (85%) or British Airways (83%) 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 $1,187, our data shows the cheapest flight currently is $177. When looking at the most popular route, (Philadelphia - Seattle/Tacoma Intl), you can expect to pay $162 for that flight.
Other flights from Philadelphia
Flights to Seattle from Philadelphia
Alternative routes for Philadelphia to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from Philadelphia to Seattle
The chart below displays the airlines Cheapflights users traveling from Philadelphia to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Hourly flight availability from Philadelphia to Seattle
See what time of day planes typically take off from Philadelphia to Seattle
| 0%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 0%of flight departures | Morning6 am to noon |
| 100%of flight departures | AfternoonNoon to 6 pm |
| 0%of flight departures | Evening6 pm to midnight |
Weekly flight availability from Philadelphia to Seattle
See how many times per day planes take to the skies headed from Philadelphia to Seattle
| Sunday | 5daily flights |
|---|---|
| Monday | 6daily flights |
| Tuesday | 5daily flights |
| Wednesday | 4daily flights |
| Thursday | 5daily flights |
| Friday | 5daily flights |
| Saturday | 6daily flights |