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San Francisco Intl. Airport to Changi Airport flight

Explore the cheapest one-way and round-trip flights from San Francisco Intl. Airport to Changi Airport over the next 90 days, with one-way fares from £276 and round-trip from £520. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SFO 10:40 AM
        17h 35m
        Nonstop
        SIN 8:15 PM
        San Francisco - Singapore | Mon, Nov 16 | United Airlines
        SIN 10:20 PM
        14h 55m
        Nonstop
        SFO 9:15 PM
        Singapore - San Francisco | Wed, Nov 18 | United Airlines
        £520 £688
        24% off
        24% off
        £688 £520
      • SFO 10:50 AM
        16h 45m
        Nonstop
        SIN 6:35 PM
        San Francisco - Singapore | Wed, Oct 21 | United Airlines
        SIN 10:20 PM
        14h 55m
        Nonstop
        SFO 10:15 PM
        Singapore - San Francisco | Wed, Oct 28 | United Airlines
        £525 £688
        24% off
        24% off
        £688 £525
      • SFO 9:40 AM
        17h 25m
        Nonstop
        SIN 7:05 PM
        San Francisco - Singapore | Mon, Nov 2 | Singapore Airlines
        SIN 9:05 AM
        14h 45m
        Nonstop
        SFO 7:50 AM
        Singapore - San Francisco | Mon, Nov 9 | Singapore Airlines
        £528 £688
        23% off
        23% off
        £688 £528
      • SFO 10:40 PM
        17h 20m
        Nonstop
        SIN 8:00 AM
        San Francisco - Singapore | Sun, Nov 8 | United Airlines
        SIN 10:10 AM
        15h 5m
        Nonstop
        SFO 9:15 AM
        Singapore - San Francisco | Sun, Nov 15 | United Airlines
        £529
        23% off
        £688 £529
      • SFO 10:40 PM
        16h 35m
        Nonstop
        SIN 6:15 AM
        San Francisco - Singapore | Sun, Oct 18 | United Airlines
        SIN 10:20 PM
        14h 55m
        Nonstop
        SFO 10:15 PM
        Singapore - San Francisco | Sun, Oct 25 | United Airlines
        £531
        23% off
        £688 £531
      • SFO 10:40 AM
        16h 55m
        Nonstop
        SIN 6:35 PM
        San Francisco - Singapore | Mon, Oct 19 | United Airlines
        SIN 8:45 AM
        15h 30m
        Nonstop
        SFO 9:15 AM
        Singapore - San Francisco | Wed, Oct 21 | United Airlines
        £533
        23% off
        £688 £533
      • SFO 9:40 AM
        17h 25m
        Nonstop
        SIN 7:05 PM
        San Francisco - Singapore | Wed, Nov 4 | Singapore Airlines
        SIN 9:05 AM
        14h 45m
        Nonstop
        SFO 7:50 AM
        Singapore - San Francisco | Mon, Nov 9 | Singapore Airlines
        £533
        23% off
        £688 £533
      • SFO 11:40 AM
        17h 35m
        Nonstop
        SIN 8:15 PM
        San Francisco - Singapore | Thu, Oct 29 | United Airlines
        SIN 10:20 PM
        14h 55m
        Nonstop
        SFO 9:15 PM
        Singapore - San Francisco | Wed, Nov 4 | United Airlines
        £535
        22% off
        £688 £535
      • SFO 10:40 AM
        16h 55m
        Nonstop
        SIN 6:35 PM
        San Francisco - Singapore | Thu, Oct 8 | United Airlines
        SIN 8:35 PM
        15h 30m
        Nonstop
        SFO 9:05 PM
        Singapore - San Francisco | Wed, Oct 14 | United Airlines
        £536
        22% off
        £688 £536
      • SFO 10:40 AM
        16h 55m
        Nonstop
        SIN 6:35 PM
        San Francisco - Singapore | Tue, Oct 20 | United Airlines
        SIN 10:10 AM
        15h 5m
        Nonstop
        SFO 10:15 AM
        Singapore - San Francisco | Tue, Oct 27 | United Airlines
        £536
        22% off
        £688 £536
      • SFO 10:40 AM
        21h
        1 stop
        SIN 11:40 PM
        San Francisco - Singapore | Thu, Nov 12 | United Airlines
        SIN 10:10 AM
        15h 5m
        Nonstop
        SFO 9:15 AM
        Singapore - San Francisco | Wed, Nov 18 | United Airlines
        £523
        24% off
        £688 £523
      • SFO 12:50 PM
        25h 10m
        1 stop
        SIN 5:00 AM
        San Francisco - Singapore | Mon, Oct 19 | Korean Air
        SIN 10:00 PM
        27h 40m
        1 stop
        SFO 10:40 AM
        Singapore - San Francisco | Wed, Oct 21 | Korean Air
        £531
        23% off
        £688 £531
      • SFO 1:00 PM
        17h 25m
        1 stop
        SIN 2:00 PM
        San Francisco - Singapore | Sun, Oct 4 | Normal Airline
        SIN 3:00 PM
        6h
        Nonstop
        SFO 4:00 PM
        Singapore - San Francisco | Tue, Oct 6 | Normal Airline
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      • Cheapest nonstop
        SFO 10:40 PM
        16h 35m
        Nonstop
        SIN 6:15 AM
        San Francisco - Singapore | Thu, Oct 29 | United Airlines
        £276 £366
        25% off
        25% off
        £366 £276
      • SFO 10:40 PM
        17h 20m
        Nonstop
        SIN 7:00 AM
        San Francisco - Singapore | Mon, Nov 2 | United Airlines
        £277 £366
        24% off
        24% off
        £366 £277
      • SFO 10:40 AM
        17h 35m
        Nonstop
        SIN 8:15 PM
        San Francisco - Singapore | Wed, Nov 11 | United Airlines
        £278 £366
        24% off
        24% off
        £366 £278
      • SFO 10:40 PM
        17h 20m
        Nonstop
        SIN 7:00 AM
        San Francisco - Singapore | Tue, Nov 3 | United Airlines
        £278
        24% off
        £366 £278
      • SFO 11:40 AM
        17h 35m
        Nonstop
        SIN 8:15 PM
        San Francisco - Singapore | Wed, Nov 4 | United Airlines
        £278
        24% off
        £366 £278
      • SFO 10:40 PM
        16h 35m
        Nonstop
        SIN 6:15 AM
        San Francisco - Singapore | Mon, Oct 26 | United Airlines
        £278
        24% off
        £366 £278
      • SFO 10:40 AM
        17h 35m
        Nonstop
        SIN 8:15 PM
        San Francisco - Singapore | Tue, Nov 10 | United Airlines
        £278
        24% off
        £366 £278
      • SFO 10:40 AM
        16h 55m
        Nonstop
        SIN 6:35 PM
        San Francisco - Singapore | Fri, Oct 30 | United Airlines
        £283
        23% off
        £366 £283
      • SFO 10:40 PM
        17h 20m
        Nonstop
        SIN 8:00 AM
        San Francisco - Singapore | Mon, Nov 23 | United Airlines
        £283
        23% off
        £366 £283
      • SFO 12:50 PM
        25h 10m
        1 stop
        SIN 5:00 AM
        San Francisco - Singapore | Thu, Oct 29 | Korean Air
        £283
        23% off
        £366 £283
      • SFO 10:40 AM
        22h 15m
        1 stop
        SIN 12:55 AM
        San Francisco - Singapore | Wed, Nov 25 | United Airlines
        £284
        22% off
        £366 £284
      • SFO 12:45 PM
        40h 40m
        1 stop
        SIN 8:25 PM
        San Francisco - Singapore | Tue, Nov 3 | Korean Air
        £285
        22% off
        £366 £285
      • SFO 1:00 PM
        17h 25m
        1 stop
        SIN 2:00 PM
        San Francisco - Singapore | Sun, Oct 4 | Normal Airline
        Find more flights
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Displayed flight fares from San Francisco Intl. Airport to Changi Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from San Francisco Intl. Airport to Changi Airport

What is the cheapest month for one-way flights from San Francisco Intl. Airport to Changi Airport?

Data is based on average one-way flight prices from San Francisco Intl. Airport to Changi Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from San Francisco Intl. Airport to Changi Airport, the best time to buy is in September, with an average price of £310. You’ll want to avoid June, when the average price can reach as high as £743.

£743
£527
£310
£94
  • £310
    Sep
  • £623
    Oct
  • £430
    Nov
  • £627
    Dec
  • £531
    Jan
  • £429
    Feb
  • £545
    Mar
  • £559
    Apr
  • £632
    May
  • £743
    Jun
  • £660
    Jul
  • £415
    Aug

What is the cheapest day of the week to fly from San Francisco Intl. Airport to Changi Airport?

The data is based on the past 12 months and shows the average ticket prices from San Francisco Intl. Airport to Changi Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from San Francisco Intl. Airport to Changi Airport is Sunday, with average fares typically lower than other days. You’ll want to avoid flying on Saturday, as ticket prices are usually the highest that day.

£649
£566
£483
£400
    Cheapest
  • £487
    Mon
  • £489
    Tue
  • £524
    Wed
  • £642
    Thu
  • £579
    Fri
  • £649
    Sat
  • £483
    Sun

Which airline offers the cheapest flights from San Francisco Intl. Airport to Changi Airport?

The cheapest airline flying from San Francisco Intl. Airport to Changi Airport is United Airlines (from £276) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

United Airlines
From £276
Korean Air
From £283
All Nippon Airways
From £289
Asiana Airlines
From £289
Philippine Airlines
From £294
Air Canada
From £298
American Airlines
From £298
Cathay Pacific
From £316
Delta Air Lines
From £316
Frontier Airlines
From £325

Find more flights and airlines

What is the flight schedule from San Francisco Intl. Airport to Changi Airport?

Check the schedule for flights from San Francisco to Singapore and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA001

    San Francisco Intl. Airport

    10:40 PM

    SFO

    16h 35m

    6:15 AM

    SIN

    S M T W T F S
    Search

  2. UA029

    San Francisco Intl. Airport

    10:50 AM

    SFO

    15h 45m

    6:35 PM

    SIN

    S M T W T F S
    Search

  3. SQ031

    San Francisco Intl. Airport

    11:45 AM

    SFO

    16h 25m

    7:10 PM

    SIN

    S M T W T F S
    Search

  4. KE024

    San Francisco Intl. Airport

    12:50 PM

    SFO

    12h 30m

    Nonstop

    5:20 PM

    ICN

    S M T W T F S
    Search

  5. KE647

    Incheon Intl. Airport

    11:30 PM

    ICN

    6h 30m

    Nonstop

    5:00 AM

    SIN

    S M T W T F S

  6. OZ211

    San Francisco Intl. Airport

    11:50 PM

    SFO

    13h 5m

    Nonstop

    4:55 AM

    ICN

    S M T W T F S
    Search

  7. OZ751

    Incheon Intl. Airport

    4:10 PM

    ICN

    6h 20m

    Nonstop

    9:30 PM

    SIN

    S M T W T F S

  8. KE024

    San Francisco Intl. Airport

    12:50 PM

    SFO

    12h 30m

    Nonstop

    5:20 PM

    ICN

    S M T W T F S
    Search

  9. KE643

    Incheon Intl. Airport

    2:20 PM

    ICN

    6h 10m

    Nonstop

    7:30 PM

    SIN

    S M T W T F S
Find more flights and airlines

About San Francisco Intl. Airport and Changi Airport

Learn about San Francisco Intl. Airport (SFO) and Changi Airport (SIN) — including location, terminals, transportation, and travel tips.

Flight distance 13,595.19 km
Cheapest one-way ticket price £276
Cheapest return ticket price £520

FAQs for San Francisco Intl. Airport to Changi Airport Flights

  • How long is the flight from San Francisco Intl. Airport to Changi Airport?

    San Francisco Intl. Airport to Changi Airport takes about 15 hours 54 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from San Francisco Intl. Airport (SFO) to Changi Airport (SIN).
  • The earliest flight from San Francisco Intl. Airport to Changi Airport departs at 01:45, and the last departs at 22:40, with about 5 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from San Francisco Intl. Airport (SFO) to Changi Airport (SIN) is quite popular. Without considering departure times or holidays, tickets cost around £977 in December, the most expensive month to book this route.
  • The earliest flight departs from San Francisco Intl. Airport (SFO) at 09:40 and arrives in Changi Airport (SIN) at 19:05.
  • The latest flight departs from San Francisco Intl. Airport (SFO) at 21:15 and arrives in Changi Airport (SIN) at 05:45.
    • The distance from Singapore Changi Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
    • The distance from Seletar Airport to downtown is about 15 km. It takes about 30 minutes by taxi.
  • Singapore Airlines is a very popular airline operating an average of 3570 flights per month.
  • One-way flights from San Francisco Intl. Airport to Changi Airport currently start from £276, and round-trip fares start from £520. The current lowest fare is a United Airlines flight departing on Thu, Oct 29; prices may vary depending on availability.
  • Yes. United Airlines and Singapore Airlines operate direct flights from San Francisco Intl. Airport to Changi Airport, with an average flight time of 15 hours 48 minutes, and around 26 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from San Francisco Intl. Airport to Changi Airport is £541. Prices may vary depending on the departure date, airline, and availability.
  • San Francisco Intl. Airport to Changi Airport operates around 27 weekly flights, mainly by United Airlines and Singapore Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter San Francisco Intl. Airport and Changi Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.