Cheap Flights from Penang to San Francisco from $589

Frequently Asked Questions

• What are the cheapest flights from Penang to San Francisco (PEN-SFO)?

  Based on Trip.com data, Singapore Airlines offers one-way fares as low as $589 on Cheapest nonstop routes (e.g. PEN to SFO on Mon, Sep 28), while United Airlines offers Cheapest nonstop round-trips from $999 departing on Wed, Aug 19 and returning on Tue, Aug 25.

• Which airlines offer flights from Penang to San Francisco?

  At the moment, several airlines serve connecting flights from Penang to San Francisco, including: Cathay Pacific Singapore Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Penang to San Francisco?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Penang to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Penang to San Francisco?

  To find best deals on flights from Penang to San Francisco, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Sep 28, with one-way flights priced at just $589.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Singapore Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Penang (PEN) to San Francisco (SFO) the cheapest?

  The cheapest months to fly from Penang to San Francisco is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Penang to San Francisco on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Penang to San Francisco on August 13, 2026 with Scoot, with prices starting at $1,049.

• Which airports can I fly to for San Francisco from Penang?

  You can land at any one of the following hubs in San Francisco, with Penang International Airport to San Francisco International Airport (PEN-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).

• Is there any time difference between Penang and San Francisco?

  The time difference between San Francisco and Penang is 16h.

• How do I change or cancel my ticket from Penang to San Francisco?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Penang to San Francisco?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Penang to San Francisco is $1,047. Fares vary by travel date, airline and availability.

• How do I book flights from Penang to San Francisco on Trip.com?

  Enter Penang and San Francisco, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Penang to San Francisco route?

  Scootare the most popular budget airlines flying from Penang to San Francisco. Check baggage, seat and payment fees before comparing the final price.