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United Airlines flights from Sydney to San Francisco (SYD - SFO)

SYD — SFO
4 May — 11 May1
1 adult

Cheapflights users flying from Sydney to San Francisco on United Airlines typically fly into San Francisco and depart from Sydney Kingsford Smith. Select your dates above for pricing.

United Airlines flights from Sydney to San Francisco in 2025

Find detailed information about United Airlines flights from Sydney to San Francisco. Explore the options provided by United Airlines to plan your journey from Sydney to San Francisco. Data last updated 29 April 2025.

One-way from

$781

Return from

$1,232

Popular in

December

Cheapest in

October

Average price (all airlines)

$1,809
United Airlines
  • United Airlines
  • 11/6
  • 1 total stop
  • 22h 33m total
  • Sydney to San Francisco
United Airlines
  • United Airlines
  • 13/6-13/6
  • 1 total stop
  • 37h 05m total
  • Sydney to San Francisco
Highest demand for flights from Sydney Kingsford Smith to San Francisco; 8% potential price increase.
Best time to find cheap flights from Sydney Kingsford Smith to San Francisco; 2% potential price drop.
Average price for all Sydney Kingsford Smith to San Francisco flights (one-way and round-trip).
  • Can I get a flight from Sydney to San Francisco on United Airlines for under $1,200?

    Sydney to San Francisco flights on United Airlines are currently available under $1,200. 1 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

  • How do most travelers feel about United Airlines?

    190 Cheapflights users have left reviews for United Airlines and have rated the airline 8.1/10. If you are looking to travel from Sydney to San Francisco on United Airlines, input your dates in the form above for our best prices!

Find United Airlines flight deals from Sydney to San Francisco

Cheapest United Airlines flights from Sydney to San Francisco
Explore the most affordable United Airlines flight options available from Sydney to San Francisco. Find the lowest fares with prices last updated on 29 April 2025.

Mon 26/510:20SYD - SFO
Nonstop13h 30mUnited Airlines
Mon 2/623:00SFO - SYD
Nonstop14h 55mUnited Airlines
Deal found 28/4$2,100

Travel insights for United Airlines flights from Sydney to San Francisco

Get recent, data-driven insights about United Airlines flights from Sydney to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Sydney to San Francisco with United Airlines?

Use this chart to determine the optimal time to book a return flight from Sydney to San Francisco. Price data was last updated on 25 April 2025.

Booking with United Airlines 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Sydney to San Francisco with United Airlines?

Currently, the most affordable month to book a United Airlines flight from Sydney to San Francisco in June, with an average price of $985. Conversely, traveling with United Airlines from Sydney to San Francisco in December will be the most expensive, with an average cost of $1,352. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly United Airlines flight availability from Sydney to San Francisco

The most United Airlines flights from SYD to SFO are scheduled on a Monday (1 on average). You will have fewer United Airlines flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Best time to book a flight from Sydney to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Fly from Sydney to San Francisco on another airline

Consider alternative airlines that service the San Francisco area. Flight routes are based on user searches made on Cheapflights and were last updated on 29 April 2025.

See what others are saying about United Airlines

Read reviews and see what other travellers are saying about their experiences with United Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing United Airlines for your next flight. Reviews last updated 29 April 2025.
United Airlines
7.4
Good
8,696 reviews
Overview

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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