$1,253 Find Cheap Flights from San Francisco to Sumatra

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Sumatra departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Sumatra

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Sumatra, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Sumatra, as well as popular online travel agencies
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Flight Deals

Cheap Flights from San Francisco to Sumatra

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Medan
Medan1 stop$1,253
Banda Aceh
Banda Aceh2 stops$1,690
Medan
Medan1 stop$1,253
Banda Aceh
Banda Aceh2 stops$1,690

Book Cheap San Francisco to Sumatra Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Sumatra that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Sumatra

jue., mar. 5 - lun., mar. 9
Singapore Airlines Logo
9:40 am - 8:00 am
SFO
-
KNO
31h 20m1 stop
Singapore Airlines Logo
8:50 am - 8:50 am
KNO
-
SFO
38h 00m1 stop
$1,253Singapore Airlines
jue., mar. 5 - lun., mar. 9
Singapore Airlines Logo
9:40 am - 8:00 am
SFO
-
KNO
31h 20m1 stop
Singapore Airlines Logo
8:30 pm - 7:29 pm
KNO
-
SFO
36h 59m3 stops
$1,503Singapore Airlines
jue., mar. 5 - lun., mar. 9
Singapore Airlines Logo
9:40 am - 8:00 am
SFO
-
KNO
31h 20m1 stop
Singapore Airlines Logo
8:50 am - 12:46 pm
KNO
-
SFO
65h 56m3 stops
$1,520Singapore Airlines
jue., mar. 5 - lun., mar. 9
Singapore Airlines Logo
7:00 am - 7:40 pm
SFO
-
KNO
45h 40m3 stops
Singapore Airlines Logo
8:50 am - 8:50 am
KNO
-
SFO
38h 00m1 stop
$1,527Singapore Airlines
jue., feb. 5 - lun., feb. 9
Malaysia Airlines Logo
10:55 pm - 12:25 pm
SFO
-
BTJ
46h 30m2 stops
Malaysia Airlines Logo
12:55 pm - 9:15 pm
BTJ
-
SFO
47h 20m2 stops
$1,690Malaysia Airlines
jue., feb. 5 - lun., feb. 9
Malaysia Airlines Logo
10:55 pm - 12:25 pm
SFO
-
BTJ
46h 30m2 stops
Malaysia Airlines Logo
12:55 pm - 9:15 pm
BTJ
-
SFO
47h 20m2 stops
$1,691Malaysia Airlines
jue., mar. 5 - lun., mar. 9
Singapore Airlines Logo
7:00 am - 7:40 pm
SFO
-
KNO
45h 40m3 stops
Singapore Airlines Logo
8:50 am - 7:29 pm
KNO
-
SFO
48h 39m3 stops
$1,777Singapore Airlines
jue., mar. 5 - lun., mar. 9
Singapore Airlines Logo
7:00 am - 7:40 pm
SFO
-
KNO
45h 40m3 stops
Singapore Airlines Logo
8:30 pm - 12:46 pm
KNO
-
SFO
54h 16m3 stops
$1,794Singapore Airlines
jue., mar. 5 - lun., mar. 9
Singapore Airlines Logo
7:00 am - 7:40 pm
SFO
-
KNO
45h 40m3 stops
Singapore Airlines Logo
8:30 pm - 7:29 pm
KNO
-
SFO
36h 59m3 stops
$1,806Singapore Airlines
lun., dic. 29 - lun., ene. 5
Multiple Airlines Logo
11:30 pm - 7:00 pm
SFO
-
KNO
28h 30m2 stops
Multiple Airlines Logo
10:30 am - 2:50 pm
KNO
-
SFO
43h 20m2 stops
$1,995Multiple Airlines
Booking Insights

KAYAK's insights & trends for San Francisco to Sumatra flights

Get data-powered insights and trends into flights from San Francisco to Sumatra to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from San Francisco to Sumatra?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $571, prices are generally cheapest when you fly direct.

Good to know

Cheapest flight$1,253
Flight from San Francisco to Medan

FAQs - booking Sumatra flights

  • How does KAYAK find such low prices on flights from San Francisco to Sumatra?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Sumatra.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Sumatra?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Francisco to Sumatra is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Sumatra?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from San Francisco to Sumatra with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Sumatra?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from San Francisco to Sumatra up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Sumatra?

    The cheapest time of day to fly to Sumatra is generally in the morning, when round-trip flights cost $1,098 on average. The most expensive time of day to fly to Sumatra is generally at night, which is peak travel time and where the average cost of a ticket is $1,252.

Reviews of the top airline flying from San Francisco to Sumatra

 
See real verified KAYAK customer reviews for airlines flying from San Francisco to Sumatra. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Francisco to Sumatra? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
Singapore AirlinesOverall score based on 1412 reviews
8.0Comfort
8.0Entertainment
8.6Crew
8.3Boarding
7.8Food
Airline reviews

Food was just okay, need to improve for other menu variations

8.0 ExcellentVicky, Nov 2025
SIN - CGK
Read more Singapore Airlines reviews

Food was just okay, need to improve for other menu variations

The consistency with Singapore Airlines is fantastic. Crew are always brilliant and food delicious in business class

Wish the underseat compartment don’t have a restriction, can fit a personal item such as backpack fully like most Boeing

Lounge a access was excellent as was the attentiveness and service from the crew as always. The food and drink supplied were of good quality. The entertainment system had a good selection and I liked the mapping system supplied. However the screen wild have been bigger and the operation a little smoother to navigate. The seats were barely comfortable, but adequate.

Crew and service excellent. 2 hour delay for takeoff. SQ app showed flight on time.

Food from Surabaya was below average but from Singapore is much better

Very good flight from Boarding to landing -efficient and comfortable with decent entertainment options

Construction at PDX resulting in very lung walk from the rental car to the gate. SFO, extremely long walk between terminals to get to connecting Singapore airlines flight. My smart watch recorded a total of 3 miles.

Crew and service was excellent, but passengers should be offered a welcome drink before take off which did not happen. Food was very good. Unfortunately the lie-flat bed in business class was one of the most uncomfortable I have experienced. The configuration forces you to sleep with your legs at an angle instead of in a straight line, plus there is very little padding on the bed so it wasn't possible to sleep for more than 2-3 hours on an 18 hour flight. For what the airlines charges for a business class ticket their hard product leaves a lot to be desired.

Everything was great keep up the good work 😁, can't ask for more.

Everything you need to know for your flight to Sumatra

Information on your arrival and departure airports