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United Airlines flights from Sydney to Boston (SYD - BOS)

SYD — BOS
4 May — 11 May1
1 adult

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

United Airlines flights from Sydney to Boston in 2025

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

One-way from

$1,026

Return from

$1,959

Popular in

December

Cheapest in

March

Average price (all airlines)

$2,489
United Airlines
  • United Airlines
  • 22/6
  • 2 total stops
  • 26h 53m total
  • Sydney to Boston
United Airlines
  • United Airlines
  • 21/6-5/7
  • 2 total stops
  • 58h 42m total
  • Sydney to Boston
Highest demand for flights from Sydney Kingsford Smith to Boston Logan Intl; 6% potential price increase.
Best time to find cheap flights from Sydney Kingsford Smith to Boston Logan Intl; 2% potential price drop.
Average price for all Sydney Kingsford Smith to Boston Logan Intl flights (one-way and round-trip).
  • Can I get a flight from Sydney to Boston on United Airlines for under $1,600?

    Sydney to Boston flights on United Airlines are currently available under $1,600. 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?

    2,402 Cheapflights users have left reviews for United Airlines and have rated the airline 7.9/10. If you are looking to travel from Sydney to Boston on United Airlines, input your dates in the form above for our best prices!

Find United Airlines flight deals from Sydney to Boston

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

Thu 29/510:20SYD - BOS
1 stop23h 33mUnited Airlines
Sat 7/618:19BOS - SYD
1 stop22h 41mUnited Airlines
Deal found 28/4$2,617

Travel insights for United Airlines flights from Sydney to Boston

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

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

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

Booking with United Airlines 11 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Boston. 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 Boston with United Airlines?

Currently, the most affordable month to book a United Airlines flight from Sydney to Boston in May, with an average price of $1,692. Conversely, traveling with United Airlines from Sydney to Boston in September will be the most expensive, with an average cost of $1,903. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Rainfall in Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Best time to book a flight from Sydney to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston 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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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

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

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