Cheap Flights from San Francisco, CA to Singapore from $320

On Cheapflightsplus.com you will find 4 direct and 996 connecting flights from San Francisco to Singapore. You can compare airfare deals from 39 airlines and multiple travel sites from $320, book and save on cheap plane tickets and last minute offers. Also check out SFO-SIN flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from San Francisco to Singapore depends on and how to choose the most interesting flight option for you.

Distance between San Francisco and Singapore is 13582 miles. Time difference between the cities is 4h. Airplanes depart 00:05 to 23:59 from 3 San Francisco airports and arrive 00:05 to 23:59 to 4 Singapore airports. Average flight time is 16h 23m.

  • The fastest flight 16h 20m
  • Average flight time 16h 23m
  • The earliest flight 00:05
  • The latest flight 23:59
  • Distance 8440 ml

The cheapest months to travel to Singapore are september (from 320 $), august (from 324 $), october (from 365 $).

The most expensive months are december (from 870 $), november (from 625 $), february (from 601 $).

What is the lowest airfare San Francisco to Singapore?

The cheapest plane ticket found by our users is $320. This airfare is for economy class on one-way OZ211 flight by Asiana Airlines for October 7, 2025 which leaves San Francisco in San Francisco at 23:30 am and arrives at Singapore Changi at 21:30.

Economy class
$320
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Business class
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First class
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Flight Schedule San Francisco (California) to Singapore

11:00 — 18:25+1day
16h 25m flight time
Find flight
from$421
San Francisco — Singapore
UA29 United Airlines
11:30 — 19:10+1day
16h 40m flight time
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from$377
San Francisco — Singapore
SQ31 Singapore Airlines
13:10 — 23:40+2days
19h 30m flight time
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from$365
11:30 — 17:30 San Francisco — Seoul
KE24 Korean Air
1h 20m stop
18:35 — 00:10 Seoul — Singapore
KE645 Korean Air
13:10 — 05:00+2days
24h 50m flight time
Find flight
from$365
11:40 — 17:40 San Francisco — Seoul
KE24 Korean Air
6h 15m stop
23:10 — 05:00 Seoul — Singapore
KE647 Korean Air
13:10 — 19:55+2days
39h 45m flight time
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from$365
11:40 — 17:40 San Francisco — Seoul
KE24 Korean Air
21h 25m stop
14:35 — 20:25 Seoul — Singapore
KE643 Korean Air
13:10 — 21:30+2days
41h 20m flight time
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from$365
12:40 — 17:20 San Francisco — Seoul
KE24 Korean Air
22h 50m stop
16:10 — 21:30 Seoul — Singapore
OZ751 Asiana Airlines
13:40 — 05:30+2days
24h 50m flight time
Find flight
from$398
11:25 — 19:00 San Francisco — Hong Kong
CX879 Cathay Pacific
6h 50m stop
01:40 — 05:40 Hong Kong — Singapore
CX659 Cathay Pacific
18:50 — 23:40+3days
37h 50m flight time
Find flight
from$389
18:50 — 20:22 San Francisco — Los Angeles
KE7236 Korean Air
3h 28m stop
23:50 — 04:30 Los Angeles — Seoul
KE12 Korean Air
14h 10m stop
18:40 — 23:40 Seoul — Singapore
KE645 Korean Air
22:05 — 05:25+2days
16h 20m flight time
Find flight
from$691
San Francisco — Singapore
SQ33 Singapore Airlines
22:50 — 12:10+2days
22h 20m flight time
Find flight
from$396
22:50 — 04:30 San Francisco — Ho Chi Minh City
VN99 Vietnam Airlines
4h 40m stop
09:10 — 12:10 Ho Chi Minh City — Singapore
VN651 Vietnam Airlines
22:50 — 17:25+2days
27h 35m flight time
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from$396
22:50 — 04:30 San Francisco — Ho Chi Minh City
VN99 Vietnam Airlines
9h 55m stop
14:25 — 17:25 Ho Chi Minh City — Singapore
VN655 Vietnam Airlines
22:50 — 20:00+2days
30h 10m flight time
Find flight
from$396
22:50 — 04:30 San Francisco — Ho Chi Minh City
VN99 Vietnam Airlines
12h 25m stop
16:55 — 20:00 Ho Chi Minh City — Singapore
VN657 Vietnam Airlines
22:55 — 06:15+2days
16h 20m flight time
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from$419
San Francisco — Singapore
UA1 United Airlines
23:30 — 21:30+2days
31h flight time
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from$320
23:30 — 04:30 San Francisco — Seoul
OZ211 Asiana Airlines
11h 40m stop
16:10 — 21:30 Seoul — Singapore
OZ751 Asiana Airlines
23:55 — 13:20+2days
22h 25m flight time
Find flight
from$365
23:00 — 04:00 San Francisco — Manila
PR105 Philippine Airlines
4h stop
09:55 — 13:40 Manila — Singapore
PR507 Philippine Airlines
Full flight schedule will help you in detecting at what time planes fly from San Francisco to Singapore. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 23, 2025.

Popular Airlines on the Route

The flight San Francisco — Singapore is served by 39 regular airlines and 6 low-cost airlines. Most of the flights on this route are operated by Japan Airlines - JAL - 13 departures per week at the price of from $ 405 . And the most expensive tickets are offered by Malaysia Airlines airline - from $ 997.

Direct flights

There are 4 nonstop flights on the route. The fastest direct flight is UA1 by United Airlines takes 16h 20m and the cheapest is OZ211 by Asiana Airlines for $377.

  • UA - United Airlines
    from $419
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  • SQ - Singapore Airlines
    from $377
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Connecting Flights

There are 996 flights with layovers on the route. The fastest connecting flight is JL57 by Japan Airlines - JAL takes 19h 20m and the cheapest is OZ211 by Asiana Airlines for $320.

  • PR - Philippine Airlines
    from $365
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  • JL - Japan Airlines - JAL
    from $405
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  • VY - Vueling
    from $817
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  • BF - Bluebird Cargo
    from $815
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  • FJ - Air Pacific
    from $832
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  • TX - Air Caraibes
    from $844
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  • UA - United Airlines
    from $426
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  • LX - SWISS International Air Lines
    from $798
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  • JX - Jambojet
    from $477
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  • 6E - IndiGo
    from $489
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  • BR - EVA Airways Corporation
    from $536
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  • YP - YP
    from $448
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See more connecting flights

Airports

You can fly from San Francisco to Singapore from 3 airports (San Francisco, Embarkadero, China Basin Heliport).

San Francisco airports

  • San Francisco-SFO
    from $320
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  • Embarkadero-EMB
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  • China Basin Heliport-JCC
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Singapore airports

  • Changi-SIN
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  • Paya Lebar-QPG
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  • Seletar-XSP
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  • Tengah-TGA
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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