San Francisco to Philadelphia flights
The cheapest round trip we found from San Francisco to Philadelphia is $445 (Dec 1 – 4, 1 stop), 4% below the usual $464.
SFO to PHL · Round trip · Economy · Prices per person in USD · Price found (43 minutes ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | No fares found yet |
| December 2026 | $359 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | No fares found yet |
| March 2027 | No fares found yet |
| April 2027 | $464 |
| May 2027 | No fares found yet |
| June 2027 | No fares found yet |
| July 2027 | $559 |
| August 2027 | $582 |
| September 2027 | $422 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 1 – 4 3 nights · leave Tue$445$445 Book
Frontier Airlines 1 stop · 7h 02m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Philadelphia
One Go City pass for Eastern State Penitentiary, Longwood Gardens, The Franklin Institute and more
- All-Inclusive Pass Unlimited Visit as many attractions as you like for 1–6 days from $59 See pass
- Explorer Pass Pick 3–7 of 33 attractions from $59 See pass
Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.
Plan the rest of your trip
Philadelphia · Dec 1 – 4Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
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Flights to Philadelphia from other cities
All flights to Philadelphia Flying the other way? Philadelphia to San Francisco from $396
San Francisco to Philadelphia: questions
How much does a flight from San Francisco to Philadelphia cost?
The cheapest round trip we have found right now is $445, leaving December 1 and returning December 4. The usual price on this route is about $464, so this fare is 4% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from San Francisco to Philadelphia?
December 2026, with round trips from $359. The most expensive month in our data is August (from $582). Based on the 5 months ahead we have prices for.
Which airports do San Francisco to Philadelphia flights use?
San Francisco airports include San Francisco International (SFO). Philadelphia airports include Philadelphia International (PHL) and Trenton-Mercer (TTN). The prices on this page cover every airport in both cities (SFO and PHL are the city codes).
About this route
We track round-trip economy fares from San Francisco (United States) to Philadelphia (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $445, departing December 1 and returning December 4, about 4% below the usual $464. The cheapest month to fly in our data is December, from $359. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.