Cheap Flights from Seattle to Philadelphia Starting at $88
Helping travelers to find the best flight offers
Cheapest flights from Seattle to Philadelphia
Fly from Seattle to Philadelphia with confidence — our search scans more than 700 airlines, 50+ travel agencies and 5+ top booking systems to find the best prices, schedules and travel conditions for your trip. Compare nonstop and connecting options in one quick search and lock in the flight that fits your timing and budget.
Remember that on average the ideal time to book flights is 2 months before departure!
Fly nonstop from Seattle to Philadelphia for the fastest, most convenient way to cross the country—less hassle and more time to enjoy your destination. While connecting flights can sometimes be cheaper, a direct flight saves hours and offers a more comfortable, stress-free trip for business or leisure travelers.
Schedule of direct flights from Seattle to Philadelphia
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Seattle to Philadelphia:
Seattle airports overview
Philadelphia airports overview
Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from Seattle to Philadelphia
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Alternative routes
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Cheapest one way flight
$88
Frontier Airlines
1 transfer
12h 12m
11/05/2025
The cheapest one-way flight from Seattle to Philadelphia departs on 11/05/2025, is operated by Frontier Airlines and costs $88
Cheapest round trip flight
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There is no information about the cheapest roundtrip flight from Seattle to Philadelphia
The fastest flight
8h 16m
Fastest flight from Seattle to Philadelphia takes 8h 16m
Direct flights
No direct flights
There are no direct flights on this route.
Earliest flight
9:45 AM
Latest flight
10:54 PM
Direct flights count
48
Distance
3819km
Timezone difference
3h
The distance between Seattle and Philadelphia is 3819km (2368 miles). There are 48 direct flights from Seattle to Philadelphia. The time difference between Seattle and Philadelphia is 3h. Flights from Seattle begin at 9:45 AM. The latest flight from Seattle departs at 10:54 PM
The Seattle — Philadelphia route is served by a wide range of airlines: 4 in total, including Alaska Airlines, American Airlines, Frontier Airlines, and Sun Country Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $88. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
Unable to find information about the schedule of direct flights from
Seattle is primarily served by Seattle–Tacoma International Airport (SEA), a large international hub popular with legacy carriers like Alaska Airlines and Delta and a range of international and domestic connections; Seattle also sees budget and regional flights through nearby smaller fields for charters or general aviation. SEA sits about 14 miles south of downtown Seattle, typically reachable by Link light rail in around 35–45 minutes for a modest fare, or by taxi/rideshare in 20–40 minutes depending on traffic with higher costs; shuttle and rental-car services are also common. The airport is usually efficient and well-equipped for long-haul travel, though peak-hour congestion and occasional weather delays can affect comfort and timing.
Philadelphia International Airport (PHL) is the region’s main international gateway and a full-service hub that typically serves major carriers and several international airlines alongside low-cost operators. Located about 8 miles southwest of downtown Philadelphia, it usually takes 20–30 minutes by car depending on traffic; public transit via SEPTA Regional Rail or Airport Line runs about 25–35 minutes with fares generally in the low-single-digit range, while taxis and ride-shares can be quicker but cost more. PHL offers broad amenities and frequent long-haul connections, making it convenient for business and international travel, though peak-hour traffic and security queues can add time; smaller suburban airports can be cheaper for domestic budget fares.
How much is the cheapest flight ticket from Seattle to Philadelphia?
The cheapest flight ticket from Seattle to Philadelphia according to data for the last 48 hours costs $88
When is the best time to buy air tickets on the route Seattle — Philadelphia?
Often the best time to buy tickets from Seattle to Philadelphia is 2 months before departure.
How long does it take to fly from Seattle to Philadelphia?
The fastest flights from Seattle to Philadelphia start from 8 hours 16 minutes in the air.
Which airline can fly direct from Seattle to Philadelphia?
The following airlines operate direct flights on the route Seattle — Philadelphia: Alaska Airlines, American Airlines
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Seattle to Philadelphia
