$394 Cheap Flights from Penang (PEN) to San Francisco (SFO)

View $394 flight on Mon, Feb 9, 2026Opens in a new window

Popular airlines from Penang Intl. Airport (PEN) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Penang to San Francisco (PEN-SFO)

Prices were available within the past 7 days and start at $394 for one-way flights and $887 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Mon, Oct 13 - Sun, Oct 19
PEN
Penang
SFO
San Francisco
$887 Roundtrip, found 6 days ago
$887
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Mon, Oct 13 from Penang to San Francisco, returning Sun, Oct 19, priced at $887 found 6 days ago
Singapore Airlines
Fri, Mar 6 - Sat, Mar 14
PEN
Penang
SFO
San Francisco
$892 Roundtrip, just found
$892
Roundtrip
just found
Select Singapore Airlines flight, departing Fri, Mar 6 from Penang to San Francisco, returning Sat, Mar 14, priced at $892 just found
Singapore Airlines
Fri, Mar 6 - Sat, Mar 14
PEN
Penang
SFO
San Francisco
$902 Roundtrip, just found
$902
Roundtrip
just found
Select Singapore Airlines flight, departing Fri, Mar 6 from Penang to San Francisco, returning Sat, Mar 14, priced at $902 just found
Singapore Airlines
Fri, Mar 6 - Sat, Mar 14
PEN
Penang
SFO
San Francisco
$909 Roundtrip, just found
$909
Roundtrip
just found
Select Singapore Airlines flight, departing Fri, Mar 6 from Penang to San Francisco, returning Sat, Mar 14, priced at $909 just found
Singapore Airlines
Fri, Mar 6 - Sat, Mar 14
PEN
Penang
SFO
San Francisco
$922 Roundtrip, just found
$922
Roundtrip
just found
Select Singapore Airlines flight, departing Fri, Mar 6 from Penang to San Francisco, returning Sat, Mar 14, priced at $922 just found
Singapore Airlines
Fri, Mar 6 - Sat, Mar 14
PEN
Penang
SFO
San Francisco
$924 Roundtrip, just found
$924
Roundtrip
just found
Select Singapore Airlines flight, departing Fri, Mar 6 from Penang to San Francisco, returning Sat, Mar 14, priced at $924 just found
China Airlines
Fri, Mar 6 - Sat, Mar 14
PEN
Penang
SFO
San Francisco
$946 Roundtrip, just found
$946
Roundtrip
just found
Select China Airlines flight, departing Fri, Mar 6 from Penang to San Francisco, returning Sat, Mar 14, priced at $946 just found
Cathay Pacific
Thu, Oct 9 - Sun, Oct 19
PEN
Penang
SFO
San Francisco
$979 Roundtrip, found 6 days ago
$979
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Thu, Oct 9 from Penang to San Francisco, returning Sun, Oct 19, priced at $979 found 6 days ago
Qatar Airways
Fri, Mar 6 - Sat, Mar 14
PEN
Penang
SFO
San Francisco
$1,300 Roundtrip, just found
$1,300
Roundtrip
just found
Select Qatar Airways flight, departing Fri, Mar 6 from Penang to San Francisco, returning Sat, Mar 14, priced at $1,300 just found
Malaysia Airlines
Fri, Mar 6 - Sat, Mar 14
PEN
Penang
SFO
San Francisco
$1,511 Roundtrip, just found
$1,511
Roundtrip
just found
Select Malaysia Airlines flight, departing Fri, Mar 6 from Penang to San Francisco, returning Sat, Mar 14, priced at $1,511 just found

Find the cheapest month to fly from George Town (PEN) to San Francisco (SFO)

April is typically the cheapest month to fly

From $811 - $1,156 per traveler.

Frequently asked questions

How much does a flight from Penang Intl. Airport (PEN) to San Francisco Intl. Airport (SFO) cost?
Lock in a cheap one-way flight from $394 or cheap return flight from $887 from Penang Intl. Airport (PEN) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Penang Intl. Airport (PEN) to San Francisco Intl. Airport (SFO)?
The cheapest month to fly from PEN to SFO is October, when there's less demand. Off-peak months are typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Penang Intl. Airport (PEN) to San Francisco Intl. Airport (SFO)?
To find the cheapest airline that'll fly you from PEN to SFO, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Penang Intl. Airport (PEN) to San Francisco Intl. Airport (SFO)?
Nonstop flights from Penang Intl. Airport (PEN) to San Francisco Intl. Airport (SFO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PEN to SFO?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Penang Intl. Airport (PEN) to San Francisco Intl. Airport (SFO)?
To avoid potential delays on the Penang Intl. Airport (PEN) to San Francisco Intl. Airport (SFO) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Penang Intl. Airport (PEN) to San Francisco Intl. Airport (SFO) last-minute?
Booking your plane ticket from PEN to SFO right before your journey is generally more expensive. However, if you're flexible with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a PEN to SFO flight and hotel package?
You can save money by securing a PEN to SFO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Penang Intl. Airport (PEN) to San Francisco Intl. Airport (SFO)?
If you reserved your PEN to SFO flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Penang Intl.
Destination airport
San Francisco Intl.
Roundtrip price
$886
Distance
8400 mi

Book with confidence

Book with confidence

Penang to San Francisco Flights

The cheapest times to fly from Penang to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Penang to San Francisco are during the month of October. You can find some of the cheapest flights from Penang to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Penang to San Francisco

Sunday is one of the best days to book for cheap flights from Penang to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Penang to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Penang to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $394 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Penang to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Penang to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Penang to San Francisco Flights

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Explore a world of travel with Expedia

*Available to One Key members.