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

In-flight Dining
On this route you will enjoy meal services tailored to the time of day and sector, with hot meals served on the long-haul Singapore–San Francisco flight and appropriate refreshments on the Penang–Singapore sector.

Special Meals
We offer a wide selection of special meals that can be requested in advance for medical, dietary, or other needs. These should be pre-ordered through our website or your booking agent before your flight.

Book the Cook
Eligible passengers in premium cabins on selected sectors of this route can use our Book the Cook service to pre-select from an expanded menu of main courses, ensuring more choice and personalisation.

Beverage Service
Throughout the journey, a range of hot and cold beverages is available, including juices, soft drinks, tea, and coffee. Our signature Singapore Sling is also offered on board, adding a distinctive touch to your inflight experience.

For flights between Penang and San Francisco, the piece concept applies for checked baggage. For checked baggage, Economy Class passengers may check 2 pieces, each up to 23kg, while Premium Economy Class passengers may check 2 pieces, each up to 23kg. Business Class passengers may check 2 pieces, each up to 32kg. Each individual checked piece must not exceed 32kg.

For cabin baggage, Economy Class and Premium Economy Class passengers may bring 1 piece up to 7kg. Business Class passengers may bring 2 pieces, each up to 7kg. Your final baggage allowance will be shown on your e-ticket, and KrisFlyer Elite Gold and PPS Club members have additional allowances.

Wi-Fi is available on Singapore Airlines flights on this route once the aircraft is above 10,000 feet. It is free and unlimited for KrisFlyer members; Economy Class and Premium Economy Class members should add their membership number to the booking at least 1.5 hours before departure. Paid plans are available for non-members. The connection is suitable for messaging, email, and basic browsing, but does not support video streaming, video calls, or large file transfers.

On the Penang–Singapore sector operated by the Boeing 737-8 MAX, Economy Class offers a seat pitch of about 32 inches with up to 19 inches of seat width, while Business Class provides a fully flat bed or recliner-style seat depending on configuration, designed for added comfort.

On the Singapore–San Francisco sector, the Airbus A350-900 offers Economy Class with a 32-inch pitch and up to 19-inch seat width, Premium Economy Class with a 38-inch pitch and up to 20-inch seat width, and Business Class with fully flat beds and direct aisle access at every seat.

Yes, Singapore Airlines provides lounge access to eligible passengers with a layover in Singapore. Your eligibility is based on your class of travel or your KrisFlyer and Star Alliance status, and it is determined by your flight leaving Singapore. Other options, like purchasing a day pass at a pay-per-use lounge, are also available. Eligible passengers may access facilities such as the SilverKris Lounge (First Class), SilverKris Lounge (Business Class), or KrisFlyer Gold Lounge at Singapore Changi Airport.

Lounge Access Eligibility
Cabin Class: Complimentary for Suites, First, and Business Class passengers. Premium Economy and Economy travellers do not have access unless they hold eligible status.

Frequent Flyer Status: PPS Club and KrisFlyer Elite Gold (or Star Alliance Gold) members have access regardless of cabin class.

The Next Segment Rule: Eligibility is based on the flight immediately departing that airport. For example, if you fly Economy from Penang but have a Business Class onward flight from Singapore, you get lounge access in Singapore only.

If you have a longer layover at Singapore Changi Airport, you can consider joining an official transit tour into the city, which typically requires a minimum layover of around 5.5–6 hours. For shorter connections, you can enjoy the airport’s indoor gardens, relaxation zones, and entertainment areas without leaving the terminal.

Changi Airport also offers quiet seating areas, children’s play spaces, and a variety of dining and shopping options to help you refresh between flights. Some terminals feature facilities such as rest areas and pay-per-use lounges where you can shower or relax.

Your time at Singapore Changi Airport is more than just a wait — it is an integral part of your journey.

Penang follows Malaysia Time (UTC+8) and does not observe daylight saving time. San Francisco follows Pacific Time, which is UTC−8 in winter (approximately November to March) and UTC−7 in summer (approximately March to November). This means San Francisco is typically 16 hours behind Penang in winter and 15 hours behind in summer.

Yes, your baggage will typically be checked through to San Francisco International Airport when flying from Penang via Singapore on a single booking with Singapore Airlines.

Through-Check Conditions
For your bags to be sent directly to your final destination, the following general conditions must be met:

Single Itinerary: Both flight segments (Penang–Singapore and Singapore–San Francisco) must be under the same booking reference or PNR.

Layover Duration: Your connection in Singapore must be less than 24 hours. If your layover exceeds 24 hours, it is considered a stopover, and you will typically be required to collect your luggage and re-check it for your onward flight.

Partner Airlines: If your onward flight from Singapore to San Francisco is operated by a partner airline, Singapore Airlines has through-check agreements that usually allow your bags to be tagged to your final destination.

You may be able to plan a stopover in Singapore on your Penang–San Francisco trip, subject to your ticket conditions and availability. When booking, you can search for multi-city options or speak with our customer service team or your travel agent, who can advise whether a stopover can be added to your itinerary.