There are most likely no direct flights on the Philadelphia — San Francisco route
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The cost of a one-way flight from Philadelphia to San Francisco ranges from $149 (September 2026) to $188 (November 2026). On average, the ticket price is about $162–$336.
A non-stop flight is the most convenient and comfortable way to fly from Philadelphia to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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.
Flight prices from Philadelphia to San Francisco are steadily rising: from September 2026 to November 2026, ticket costs increased by 26%. The sooner you book, the better the deal.
The most significant price increase was from September 2026 to November 2026 — up 26%. The best time to fly is September 2026–October 2026, when the average price is $149. In October 2026–November 2026, tickets cost around $168.
Given the rising prices, it's best not to delay your purchase. Flying in September 2026–October 2026 can save you up to 12% compared to the most expensive months.
Price variation across months on this route is 11.4%. Your choice of departure month significantly affects the total flight cost.
There are most likely no direct flights on the Philadelphia — San Francisco route
Philadelphia — San Francisco
09/27/2026
Departure
Direct flight
UA2661
starting at $333
Philadelphia — San Francisco
09/28/2026
Departure
Direct flight
AA1524
starting at $553
starting at $333
starting at $553
starting at $210
starting at $268
More than 4 airlines operate flights from Philadelphia to San Francisco, including United Airlines, American Airlines, Frontier Airlines, and Allegiant Air. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $210, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
The cheapest flight ticket from Philadelphia to San Francisco according to data for the last 48 hours costs $210
Often the best time to buy tickets from Philadelphia to San Francisco is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Philadelphia to San Francisco can be found flying in these months: September, October, November.
The fastest flights from Philadelphia to San Francisco start from 14 hours 7 minutes in the air.
The following airlines operate direct flights on the route Philadelphia — San Francisco: United Airlines, American Airlines
The cheapest one-way flight from Philadelphia to San Francisco departs on 09/28/2026, is operated by Frontier Airlines and costs $210
There is no information about the cheapest roundtrip flight from Philadelphia to San Francisco
Fastest flight from Philadelphia to San Francisco takes 14h 7m
There are direct flights on this route 2 days a week: Su and Mo
The distance between Philadelphia and San Francisco is 4050km (2511 miles). There are 62 direct flights from Philadelphia to San Francisco. The time difference between Philadelphia and San Francisco is 3h. Flights from Philadelphia begin at 6:00 AM. The latest flight from Philadelphia departs at 9:50 PM
Philadelphia International Airport (PHL) serves as the region’s primary international and domestic gateway, operating as a full-service hub for legacy carriers while also hosting several low-cost airlines on many routes. It sits about 7 miles southwest of downtown Philadelphia; the SEPTA Airport Line typically reaches Center City in roughly 25–30 minutes with fares usually in the low single digits, while taxis and ride-hailing trips commonly take 20–35 minutes depending on traffic and can be significantly more expensive. Rental cars and shuttles are readily available at the terminal curb. PHL is convenient for travelers seeking frequent connections and airport amenities, though peak-hour road congestion and terminal crowding can be drawbacks for those prioritizing speed or a quieter experience.
San Francisco International Airport (SFO) is the Bay Area’s primary international gateway and a major hub for full-service carriers, while nearby smaller fields can serve domestic or budget-focused needs. SFO typically handles a broad mix of legacy airlines and international operators, and fares can be moderate to premium depending on season and carrier. The airport sits about 13 miles south of downtown San Francisco; BART connects terminals to downtown in roughly 30–40 minutes for fares usually in the range of local public transit, while airport shuttles, taxis, ride-hailing services and rental cars can take 20–40 minutes depending on traffic and cost. Pros: extensive international connections, numerous lounges and amenities. Cons: can be busy, security lines and traffic may add time, and parking can be relatively expensive.
We couldn't find any special offers for flights from Philadelphia to San Francisco
