How long is the flight from Penang to San Francisco?

For as low as RM 5,127, Cathay Pacific can have you in San Francisco from Penang in 19h 45m. Airlines will cover a distance of 13509 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What is the cheapest airline to fly from Penang to San Francisco round-trip?

Our cheapest airline available from Penang to San Francisco is Cathay Pacific. Our recent data shows that you can find tickets from as low as RM 3,629 on this airline. Cathay Pacific is priced at 21% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from Penang 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.

RM 1,797+ Cheap Flights from Penang to San Francisco

Cheap flight deals from Penang to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Penang to San Francisco
Explore the most affordable flight options available from Penang to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2026.

Fri 18/1207:00 -

2 stops24h 00m

Fri 25/1223:50 -

2 stops30h 30m

Deal found 3/11RM 6,514

Fri 18/1222:20 -

3 stops37h 48m

Fri 25/1221:59 -

3 stops52h 01m

Deal found 3/11RM 7,280

Fri 18/1215:20 -

1 stop19h 25m

Fri 25/1223:40 -

1 stop22h 40m

Deal found 3/11RM 7,499

Find flight deals from Penang to San Francisco

Round-trip from	RM 4,948
One-way from	RM 1,797
Popular in	July
Cheapest in	November
Average price	RM 3,630

Cathay Pacific
26/1-30/1
2 total stops
41h 30m total
Penang to San Francisco

Search Deals

7/12-31/12
2 total stops
59h 45m total
Penang to San Francisco

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (RM 3,204 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (RM 1,136 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

PenangSan Francisco

PEN Penang Intl - SFO San Francisco

PENSFO

Penang Intl

Mon 7/12

22:35-17:00

3 stops58h 25m

San Francisco

Wed 31/12

00:00-15:30

Nonstop0h 00m

RM 1,975

PenangSan Francisco

PEN Penang Intl - SFO San Francisco

PENSFO

Penang Intl

Sat 6/3

16:25-13:20

2 stops36h 55m

San Francisco

Wed 31/12

00:00-15:30

Nonstop0h 00m

RM 2,137

PenangSan Francisco

PEN Penang Intl - SFO San Francisco

PENSFO

Penang Intl

Wed 23/12

15:40-17:00

2 stops41h 20m

San Francisco

Wed 31/12

00:00-15:30

Nonstop0h 00m

RM 2,210

PenangSan Francisco

PEN Penang Intl - SFO San Francisco

PENSFO

Penang Intl

Mon 21/12

08:05-21:26

3 stops53h 21m

San Francisco

Wed 31/12

00:00-15:30

Nonstop0h 00m

RM 2,389

Fastest return journey

PenangSan Francisco

PEN Penang Intl - SFO San Francisco

PENSFO

Penang Intl

Thu 19/11

09:30-17:00

2 stops23h 30m

San Francisco

Wed 31/12

00:00-15:30

Nonstop0h 00m

RM 2,563

PenangSan Francisco

PEN Penang Intl - SFO San Francisco

PENSFO

Penang Intl

Sun 4/4

11:55-09:10

1 stop36h 15m

San Francisco

Wed 31/12

00:00-15:30

Nonstop0h 00m

RM 2,612

PenangSan Francisco

PEN Penang Intl - SFO San Francisco

PENSFO

Penang Intl

Sat 21/11

18:10-16:30

2 stops62h 20m

San Francisco

Wed 31/12

00:00-15:30

Nonstop0h 00m

RM 2,648

PenangSan Francisco

PEN Penang Intl - SFO San Francisco

PENSFO

Penang Intl

Tue 26/1

16:25-21:15

1 stop20h 50m

San Francisco

Sat 30/1

11:25-00:05

1 stop20h 40m

RM 4,948

PenangSan Francisco

PEN Penang Intl - SFO San Francisco

PENSFO

Penang Intl

Mon 26/4

15:10-19:55

1 stop19h 45m

San Francisco

Tue 27/4

01:05-14:10

1 stop22h 05m

RM 5,127

PenangSan Francisco

PEN Penang Intl - SFO San Francisco

PENSFO

Penang Intl

Tue 26/1

20:35-12:40

2 stops56h 05m

San Francisco

Sat 30/1

15:00-18:00

2 stops35h 00m

RM 5,386

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 12 resultsSorted by cheapest first

Best time to book a flight from Penang to San Francisco

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

PEN-SFO

Estimated return 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 Penang to San Francisco

What’s the top stopover airport for flights from Penang to San Francisco?

Hong Kong (HKG) – chosen by Cheapflights users on 35% of one-stop itineraries from Penang to San Francisco on Cheapflights.

What’s the cheapest stopover airport for flights from Penang to San Francisco?

Hong Kong (HKG) is the most affordable one-stop option, with an average return flight price of RM 4,779.

What’s the fastest stopover option from Penang to San Francisco?

Flights via Taipei City (TPE) have the shortest average one-way travel time for one-stop routes: 19h 39m.

Which airport typically offers the quickest stopover for flights from Penang to San Francisco?

Flights via Taipei City (TPE) offer the fastest connection on this route, with an average stopover time of 3h 50m.

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown with Cathay Pacific from Penang to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Cathay Pacific

7.6

Good

1,539 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

CGK - HKG

food quality is horrible for premium economy. one of the worst in the airlines. flight attendants is mediocre. won't flight this anymore. better to use Starlux, SQ, or ANA/JAL.

Cathay Pacific

7.6

Good

1,539 reviews

Cathay Pacific

7.6

Good

1,539 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

CGK - HKG

food quality is horrible for premium economy. one of the worst in the airlines. flight attendants is mediocre. won't flight this anymore. better to use Starlux, SQ, or ANA/JAL.

Related info for your journey

How long is the flight from Penang to San Francisco?
For as low as RM 5,127, Cathay Pacific can have you in San Francisco from Penang in 19h 45m. Airlines will cover a distance of 13509 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What is the cheapest airline to fly from Penang to San Francisco round-trip?
Our cheapest airline available from Penang to San Francisco is Cathay Pacific. Our recent data shows that you can find tickets from as low as RM 3,629 on this airline. Cathay Pacific is priced at 21% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Penang to San Francisco that include hotel bookings?
Yes. In addition to deals on Penang to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Penang to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Penang to San Francisco.
Can I find deals for business class flights from Penang to San Francisco?
Yes. Cheapflights offers flight deals from Penang 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.

See more FAQs

Burlingame

Pacifica

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Other flights from Penang

Popular flights

Alternative routes for Penang to San Francisco

Penang to Los Angeles flights

Kota Kinabalu to Los Angeles flights

Penang to Santa Rosa flights

Kuantan to San Francisco flights

Kota Kinabalu to San Francisco flights

Penang to San Diego flights

Top airline flying from Penang to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Cathay Pacific	CheapestRM 3,629	AverageRM 4,875	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights

Fly with Cheapflights

How does Cheapflights help users find flights from Penang to San Francisco?

Cheapflights helps you search for flights from Penang to San Francisco via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Penang to San Francisco?

Cheapflights helps you find that perfect flight to San Francisco from Penang by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Penang to San Francisco with no change fees?

Yes! Cheapflights helps users easily find flights from Penang to San Francisco with no change fees.

Can Cheapflights notify me if prices for flights from Penang to San Francisco become cheaper?

Yes! Start tracking prices for Penang to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Penang to San Francisco from RM 1,797

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Penang to San Francisco

Cheapest flights from Penang to San FranciscoExplore the most affordable flight options available from Penang to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2026.

Explore the most affordable flight options available from Penang to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2026.

Best flights from Penang to San FranciscoDiscover carefully curated flight deals from Penang to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 November 2026.

Discover carefully curated flight deals from Penang to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 November 2026.

Last-minute flights from Penang to San FranciscoDiscover last-minute flight deals from Penang to San Francisco. Data last updated 7 November 2026 and is based on user searches.

Discover last-minute flight deals from Penang to San Francisco. Data last updated 7 November 2026 and is based on user searches.

One-way flights from Penang to San FranciscoSearch for one-way flight options from Penang to San Francisco. Find affordable one-way fares based on user searches. Data last updated 7 November 2026.

Search for one-way flight options from Penang to San Francisco. Find affordable one-way fares based on user searches. Data last updated 7 November 2026.

Find flight deals from Penang to San Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Penang to San Francisco

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

Cheapflights Insights

What’s the top stopover airport for flights from Penang to San Francisco?

Hong Kong (HKG) – chosen by Cheapflights users on 35% of one-stop itineraries from Penang to San Francisco on Cheapflights.

What’s the cheapest stopover airport for flights from Penang to San Francisco?

Hong Kong (HKG) is the most affordable one-stop option, with an average return flight price of RM 4,779.

What’s the fastest stopover option from Penang to San Francisco?

Flights via Taipei City (TPE) have the shortest average one-way travel time for one-stop routes: 19h 39m.

Which airport typically offers the quickest stopover for flights from Penang to San Francisco?

Flights via Taipei City (TPE) offer the fastest connection on this route, with an average stopover time of 3h 50m.

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown with Cathay Pacific from Penang to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Penang to San Francisco?

What is the cheapest airline to fly from Penang to San Francisco round-trip?

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

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

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

Travelling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Penang to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Penang to San Francisco by cabin class

Find flights from Penang to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Penang and San Francisco flights

Browse other Penang and San Francisco flight options. Last updated on 7 November 2026.

Other flights from Penang

Browse through other flights departing from Penang. Flights are based on user searches made on Cheapflights and were last updated on 7 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Penang to San Francisco

Fly with Cheapflights

How does Cheapflights help users find flights from Penang to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from Penang to San Francisco?

Can Cheapflights find flights from Penang to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Penang to San Francisco become cheaper?

100% Free

Book With Flexibility

Travel Smart

Cheapest flights from Penang to San Francisco
Explore the most affordable flight options available from Penang to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2026.

Best flights from Penang to San Francisco
Discover carefully curated flight deals from Penang to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 November 2026.

Last-minute flights from Penang to San Francisco
Discover last-minute flight deals from Penang to San Francisco. Data last updated 7 November 2026 and is based on user searches.

One-way flights from Penang to San Francisco
Search for one-way flight options from Penang to San Francisco. Find affordable one-way fares based on user searches. Data last updated 7 November 2026.