In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from IPT to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Williamsport to San Francisco as you normally would.

Can I find deals for flights from Williamsport to San Francisco that include hotel bookings?

Yes. In addition to deals on Williamsport to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Williamsport to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Williamsport to San Francisco.

Can I find deals for business class flights from Williamsport to San Francisco?

Yes. Cheapflights offers flight deals from Williamsport to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$889+ Flights from Williamsport to San Francisco

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Cheap flight deals from Williamsport to San Francisco

Round-trip from	$889 (Expedia)

From Williamsport Lycoming County to San Francisco

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Find flight deals from Williamsport to San Francisco

Cheapest flights from Williamsport to San Francisco
Explore the most affordable flight options available from Williamsport to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

sáb. 8/302:45 pmIPT - SFO

2 stops11h 55mMultiple Airlines

mié. 9/36:20 pmSFO - IPT

2 stops16h 55mMultiple Airlines

Deal found 8/14

$889

jue. 8/282:45 pmIPT - SFO

2 stops12h 14mMultiple Airlines

lun. 9/16:20 pmSFO - IPT

2 stops16h 55mMultiple Airlines

Deal found 8/13

$1,214

Best flights from Williamsport to San Francisco
Discover carefully curated flight deals from Williamsport to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 14, 2025.

sáb. 8/302:45 pmIPT - SFO

2 stops11h 55mMultiple Airlines

mié. 9/36:20 pmSFO - IPT

2 stops16h 55mMultiple Airlines

Deal found 8/14

$889

jue. 8/282:45 pmIPT - SFO

2 stops12h 14mMultiple Airlines

lun. 9/16:20 pmSFO - IPT

2 stops16h 55mMultiple Airlines

Deal found 8/13

$1,214

Last-minute flights from Williamsport to San Francisco
Discover last-minute flight deals from Williamsport to San Francisco. Data last updated agosto 14, 2025 and is based on user searches.

jue. 8/282:45 pmIPT - SFO

2 stops12h 14mMultiple Airlines

lun. 9/16:20 pmSFO - IPT

2 stops16h 55mMultiple Airlines

Deal found 8/13

$1,214

sáb. 8/302:45 pmIPT - SFO

2 stops11h 55mMultiple Airlines

mié. 9/36:20 pmSFO - IPT

2 stops16h 55mMultiple Airlines

Deal found 8/14

$889

Cheapflights Fare Finder

Use the filters below to find and compare flights from Williamsport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WilliamsportSan Francisco

IPT - SFO

IPTSFO

Williamsport Lycoming County

sáb. 8/30

2:45 pm-11:40 pm

2 stops11h 55m

San Francisco

mié. 9/3

6:20 pm-2:15 pm

2 stops16h 55m

$889

WilliamsportSan Francisco

IPT - SFO

IPTSFO

Williamsport Lycoming County

jue. 8/28

2:45 pm-11:59 pm

2 stops12h 14m

San Francisco

lun. 9/1

6:20 pm-2:15 pm

2 stops16h 55m

$1,214

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Williamsport to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Williamsport with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Williamsport to San Francisco

What is the cheapest month to book a flight from Williamsport to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Williamsport to San Francisco (average of $276). Flying from Williamsport to San Francisco in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Can I find deals for flights from Williamsport to San Francisco that include hotel bookings?
Yes. In addition to deals on Williamsport to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Williamsport to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Williamsport to San Francisco.
Can I find deals for business class flights from Williamsport to San Francisco?
Yes. Cheapflights offers flight deals from Williamsport to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Williamsport to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Williamsport to San Francisco (average of $276). Flying from Williamsport to San Francisco in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$889+ Cheap flights from Williamsport to San Francisco (IPT - SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Williamsport to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Williamsport to San Francisco

Round-trip from

Find flight deals from Williamsport to San Francisco

Cheapest flights from Williamsport to San FranciscoExplore the most affordable flight options available from Williamsport to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

Explore the most affordable flight options available from Williamsport to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Williamsport to San Francisco that are best for you.

Best time to book a flight from Williamsport to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Williamsport with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Williamsport to San Francisco

What is the cheapest month to book a flight from Williamsport to San Francisco?

Related info for your journey

Find useful and relevant information for your journey from Williamsport to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Williamsport to San Francisco that include hotel bookings?

How can I find direct flights from Williamsport to San Francisco?

Can I find deals for business class flights from Williamsport to San Francisco?

What is the cheapest month to book a flight from Williamsport to San Francisco?

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Cheapest flights from Williamsport to San Francisco
Explore the most affordable flight options available from Williamsport to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.