United Airlines flights from Australia to Seattle (AU0 - SEA)

SYD — SEA
1 Sep — 8 Sep1
1 adult

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

United Airlines flights from Australia to Seattle in 2025

Find detailed information about United Airlines flights from Australia to Seattle. Explore the options provided by United Airlines to plan your journey from Australia to Seattle. Data last updated 27 August 2025.

One-way from

$766

Return from

$1,271
United Airlines
  • United Airlines
  • 1/9
  • 2 total stops
  • 40h 23m total
  • Australia to Seattle
United Airlines
  • United Airlines
  • 15/10-26/10
  • 3 total stops
  • 52h 02m total
  • Australia to Seattle
  • How do most travelers feel about United Airlines?

    Cheapflights users who travel with United Airlines (a popular airline from Australia to Seattle) have rated them a 8.0/10. This rating comes from 10,000 reviews. If you are looking to travel AU0-SEA, search your dates above.

Find United Airlines flight deals from Australia to Seattle

Cheapest United Airlines flights from Australia to Seattle
Explore the most affordable United Airlines flight options available from Australia to Seattle. Find the lowest fares with prices last updated on 27 August 2025.

Mon 1/910:55MEL - SEA
1 stop19h 33mUnited Airlines
Sun 14/917:35SEA - MEL
1 stop21h 40mUnited Airlines
Deal found 27/8$1,185
Tue 2/910:20SYD - SEA
1 stop20h 08mUnited Airlines
Thu 11/907:10SEA - SYD
2 stops30h 45mUnited Airlines
Deal found 25/8$1,282
Sun 31/809:30SYD - SEA
1 stop21h 00mUnited Airlines
Thu 11/912:43SEA - SYD
2 stops25h 12mUnited Airlines
Deal found 25/8$1,283

Travel insights for United Airlines flights from Australia to Seattle

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

What is the cheapest month to book a flight from Australia to Seattle with United Airlines?

Currently, the most affordable month to book a United Airlines flight from Australia to Seattle in February, with an average price of $1,131. Conversely, traveling with United Airlines from Australia to Seattle in April will be the most expensive, with an average cost of $1,524. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Best time to book a flight from Australia to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Australia 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 27 August 2025.
United Airlines
7.4
Good
8,945 reviews
Overview

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

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