Cheap flights from Sydney to Seattle from $438
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Seattle departing on 3/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Sydney to Seattle
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Air Canada flights from Sydney to Seattle
Our best Air Canada deals on Sydney to Seattle flight tickets
Philippine Airlines flights from Sydney to Seattle
Our best Philippine Airlines deals on Sydney to Seattle flight tickets
See travel insights to Seattle from
How to get the cheapest flight ticket from Sydney to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Sydney and Seattle?
What is the cheapest month to fly to Seattle?
In general, March is the cheapest month to fly from Sydney to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $971. If you don’t want to visit Seattle in March, then you should wait until February to fly from Sydney, when ticket prices are also cheap, with an average price of $979.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Sydney is on a Saturday. momondo users have found tickets for Saturday departures for as low as $1,069. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,337.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Sydney in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,213 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $1,679. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Sydney when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,121 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Sydney for as low as $973 on momondo.
What is the cheapest airline that flies from Sydney Kingsford Smith to Seattle/Tacoma Intl?
Philippine Airlines, Asiana Airlines, and China Airlines are the most popular carriers operating from Sydney Kingsford Smith to Seattle/Tacoma Intl
What airlines fly to Seattle?
Hawaiian Airlines, United Airlines and Air Canada are the top three most popular airlines that fly to Seattle from Sydney according to our data. Hawaiian Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
When to book flights from Sydney to Seattle
Cheap Sydney to Seattle (SYD to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Sydney to Seattle
How far is Sydney Kingsford Smith to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 7743.7 mi away from Sydney Kingsford Smith. Flights usually cover this in 17h 01m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
There are 5 operators available for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport as of February 2025.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Sydney to Seattle?
Based on momondo bookings for flights between Sydney and Seattle, the leading airline is Hawaiian Airlines, making up 33% of the total bookings. Other popular airlines include United Airlines with 28%, Air Canada with 19%, and Asiana Airlines with 11%.
Best airlines flying from Sydney to Seattle
Compare and see reviews for airlines that fly from Sydney to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $671 | Free Cancellation | Rating 7.4 8,765 reviews | |||
| PriceFrom $830 | Free Cancellation | Rating 7.0 8,748 reviews | |||
| PriceFrom $897 | Free Cancellation | Rating 7.9 2,317 reviews | |||
| PriceFrom $1,207 | Free Cancellation | Rating 8.4 1,037 reviews | |||
| PriceFrom $1,269 | Free Cancellation | Rating 8.2 446 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Sydney to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Seattle for you.
Can I find flights from Sydney to Seattle with flexible booking policies on momondo?
Yes. All flights to Seattle from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Sydney to Seattle?
momondo helps you find the best flight between Sydney and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Sydney to Seattle right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seattle from Sydney. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.