Cheap flights from Philadelphia to Seattle from $89
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Seattle departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Philadelphia to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
In general, February is the cheapest month to fly from Philadelphia to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $338. If you don’t want to visit Seattle in February, then you should wait until April to fly from Philadelphia, when ticket prices are also cheap, with an average price of $367.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Philadelphia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $431. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $501.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Philadelphia at noon is the least expensive time of day to depart. momondo users have found prices as low as $416 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $486. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Philadelphia to Seattle/Tacoma Intl flight route?
Fly from Philadelphia to Seattle/Tacoma Intl for the best Philadelphia - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Philadelphia when booking 31 days ahead of your departure date. In general, you can expect to find flights to Seattle for around $428 when searching 31 days out. Keep in mind that you might be able to find cheaper flights to Seattle at any time. In fact, our users found flights for as low as $336 in the past 72 hours.
What cabin class options are available on Philadelphia to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Philadelphia to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Philadelphia to Seattle flights?
You could potentially save up to 35% on your flight if you consider stops on a Philadelphia to Seattle flight.
How have Philadelphia to Seattle flight prices changed over time?
As of December 2024, prices for Philadelphia to Seattle flights are approximately 10% more expensive when compared to flights at the same time last year.
How many flights depart from Philadelphia to Seattle on average per day?
As of December 2024, 5 flights take off from Philadelphia and land in Seattle each day. The most common flight departure time for this route is 7:00PM, with 75% of daily flights taking off in the evening.
How many flights depart from Philadelphia to Seattle on average per week?
The number of flights available between Philadelphia and Seattle is 35 per week as of December 2024. The most frequent departure day is Fri, with 23% of weekly flights leaving on this day.
When to book flights from Philadelphia to Seattle
Cheap Philadelphia to Seattle (PHL to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Seattle
How far is Philadelphia to Seattle/Tacoma Intl by plane?
The straight-line distance from Philadelphia to Seattle/Tacoma Intl is 2372.3 mi. 6h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Philadelphia Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Philadelphia Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Philadelphia Airport to Seattle/Tacoma Intl Airport is 9 as of December 2024.
How old do you have to be to fly from Philadelphia Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Philadelphia to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Philadelphia to Seattle is Boeing 737-900 Passenger/BBJ3 (winglets), representing 38.81% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 19.40%, Airbus A321neo at 13.18%, and Boeing 737 MAX 9 at 12.44%.
What is the most popular airline from Philadelphia to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Seattle is American Airlines (52% of total bookings). The next most popular airlines are Alaska Airlines (32%), Delta (7%), and Frontier (3%).
Best airlines flying from Philadelphia to Seattle
Compare and see reviews for airlines that fly from Philadelphia to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $125 | Free Cancellation | Rating 7.4 3,266 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 6.1 3,474 reviews | |||
| PriceFrom $162 | Free Cancellation | Rating 6.3 8,112 reviews | |||
| PriceFrom $199 | Free Cancellation | Rating 7.0 395 reviews | |||
| PriceFrom $267 | Free Cancellation | Rating 8.0 8,597 reviews | |||
| PriceFrom $275 | Free Cancellation | Rating 8.0 9,540 reviews | |||
| PriceFrom $277 | Free Cancellation | Rating 7.4 9,039 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $327 | Free Cancellation | Rating 8.1 4,814 reviews |
Alaska Airlines Flights From Philadelphia to Seattle
Alaska Airlines flies from Philadelphia to Seattle around 3 times per week, with 9,540 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Philadelphia to Seattle in the last 72 hours was $275 (round-trip), much lower than the average airfare cost of $468 for Alaska Airlines flights on this route.
American Airlines Flights From Philadelphia to Seattle
American Airlines (7.2/10 from 10,000 reviews) operates around 5 flights from Philadelphia to Seattle in any given week. The average American Airlines airfare for this route is around $486, with deals from around $306 rare but found on momondo. Referenced prices are for round-trip Philadelphia to Seattle flight searches in the last 72 hours.
Why use momondo?
Why should I use momondo to find a flight deal from Philadelphia to Seattle?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Seattle. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Philadelphia to Seattle with flexible booking policies on momondo?
Yes. All flights to Seattle from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Philadelphia to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Philadelphia to Seattle right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Philadelphia to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.