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$476+ Cheap flights from Penang (PEN) to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
PEN — SFO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Penang to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Penang (PEN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$680
(Trip.com)

One-way from

$476
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$882
From Penang Intl to San Francisco
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One-way flight from Penang Intl to San Francisco
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Highest demand for flights based on searches. 4% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Penang to San Francisco

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 September 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:00 amPEN - SFO
2 stops29h 50mMultiple Airlines
Sat 11/111:30 pmSFO - PEN
2 stops28h 00mMultiple Airlines
Deal found 9/10$680
This SmartFares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/141:00 pmPEN - SFO
1 stop24h 55mCathay Pacific
Sat 9/2711:10 pmSFO - PEN
1 stop21h 50mCathay Pacific
Deal found 9/10$833
This Singapore Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:15 pmPEN - SFO
1 stop26h 35mSingapore Airlines
Sun 11/99:40 amSFO - PEN
1 stop31h 40mSingapore Airlines
Deal found 9/11$842
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:30 amPEN - SFO
1 stop25h 00mCathay Pacific
Sat 11/112:25 pmSFO - PEN
1 stop32h 40mCathay Pacific
Deal found 9/9$857
This China Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/53:10 pmPEN - SFO
1 stop19h 45mChina Airlines
Sat 10/181:05 amSFO - PEN
1 stop22h 05mChina Airlines
Deal found 9/11$866
This China Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/253:10 pmPEN - SFO
1 stop19h 45mChina Airlines
Sat 11/111:40 pmSFO - PEN
1 stop23h 40mChina Airlines
Deal found 9/10$868
This Gotogate deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:00 pmPEN - SFO
1 stop37h 15mCathay Pacific
Sun 10/1912:20 amSFO - PEN
1 stop20h 40mCathay Pacific
Deal found 9/11$876
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/51:00 pmPEN - SFO
1 stop37h 15mCathay Pacific
Sun 10/1912:55 pmSFO - PEN
1 stop32h 05mCathay Pacific
Deal found 9/11$938
This Cathay Pacific deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:50 amPEN - SFO
1 stop36h 25mCathay Pacific
Sun 11/910:55 pmSFO - PEN
1 stop21h 10mCathay Pacific
Deal found 9/11$955

Cheapflights Fare Finder

 
Customize your flight search to find flights from Penang to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Penang to San Francisco that are best for you.

Fly from

Penang

Fly to

San Francisco

Route

Depart

Return

Price

PenangSan Francisco

PEN - SFO

PENSFO

Penang Intl

Tue 10/28

9:15 pm-8:50 am

1 stop26h 35m

San Francisco

Sun 11/9

9:40 am-9:20 am

1 stop31h 40m

$842

PenangSan Francisco

PEN - SFO

PENSFO

Penang Intl

Sat 10/25

3:10 pm-7:55 pm

1 stop19h 45m

San Francisco

Sat 11/1

11:40 pm-2:20 pm

1 stop23h 40m

$868

PenangSan Francisco

PEN - SFO

PENSFO

Penang Intl

Mon 10/13

1:00 pm-11:15 am

1 stop37h 15m

San Francisco

Sun 10/19

12:20 am-12:00 pm

1 stop20h 40m

$876

PenangSan Francisco

PEN - SFO

PENSFO

Penang Intl

Mon 10/27

12:50 am-10:45 am

1 stop24h 55m

San Francisco

Sun 11/9

10:55 pm-12:05 pm

1 stop21h 10m

$955

PenangSan Francisco

PEN - SFO

PENSFO

Penang Intl

Fri 10/24

1:00 am-5:30 pm

1 stop31h 30m

San Francisco

Sat 11/1

11:55 pm-12:05 pm

1 stop21h 10m

$957

PenangSan Francisco

PEN - SFO

PENSFO

Penang Intl

Sat 10/25

7:30 am-11:15 am

1 stop18h 45m

San Francisco

Sat 11/1

11:30 pm-11:00 pm

2 stops32h 30m

$1,088

PenangSan Francisco

PEN - SFO

PENSFO

Penang Intl

Mon 9/22

1:00 am-8:50 pm

2 stops34h 50m

$493

PenangSan Francisco

PEN - SFO

PENSFO

Penang Intl

Tue 9/23

1:00 pm-10:40 pm

1 stop24h 40m

$525

PenangSan Francisco

PEN - SFO

PENSFO

Penang Intl

Sat 10/11

7:30 am-5:30 pm

1 stop25h 00m

$526

PenangSan Francisco

PEN - SFO

PENSFO

Penang Intl

Sat 10/11

3:10 pm-7:55 pm

1 stop19h 45m

$542

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 11 results
1
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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.
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 Penang to San Francisco

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

Currently, January is the cheapest month in which you can book a flight from Penang to San Francisco (average of $276). Flying from Penang to San Francisco in June is currently the most expensive (average of $357). 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.

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

Find hourly flight availability from Penang to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Penang to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Penang to San Francisco?

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Cathay Pacific from Penang to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
993 reviews

Food

7.3

Boarding

7.9

Overall

7.6

Entertainment

7.8

Crew

8.1

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
Cathay Pacific
7.6
Good
993 reviews
Cathay Pacific
7.6
Good
993 reviews

Food

7.3

Boarding

7.9

Overall

7.6

Entertainment

7.8

Crew

8.1

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Related info for your journey

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

  • How long is the flight from Penang to San Francisco?

    There are many flights that can get you from Penang to San Francisco in 19h 45m. Fly via Singapore Airlines, China Airlines, or Cathay Pacific to get the fastest option. Airlines will cover a distance of 8394 mi. This flight may include one or multiple stops.

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

    Flying on Cathay Pacific is currently your cheapest option to San Francisco, with prices starting at $820. Cathay Pacific is 13% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 vacation 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.

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

    Currently, January is the cheapest month in which you can book a flight from Penang to San Francisco (average of $276). Flying from Penang to San Francisco in June is currently the most expensive (average of $357). 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.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Manteca
Santa Clara
Sunnyvale
Hollister
Vacaville
Foster City
Vallejo
Burlingame
Redwood City
Union City
San Leandro
San Mateo
Lathrop

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.

Top airline flying from Penang to San Francisco

Discover the top airline that operate flights from Penang to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$820Average$870FlexibilityNo cancel feeOn-time72%

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