Cheap flights from New South Wales to Seattle from $621
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New South Wales to Seattle departing on 19/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
SydneySeattle
SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl
SYDSEA
Sydney Kingsford Smith
Mon 1/2
13:20-16:38
1 stop22h 18m
Seattle/Tacoma Intl
Sun 7/2
19:28-09:20
1 stop18h 52m
SydneySeattle
SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl
SYDSEA
Sydney Kingsford Smith
Wed 3/2
11:20-18:12
2 stops25h 52m
Seattle/Tacoma Intl
Sun 7/2
19:28-09:20
1 stop18h 52m
SydneySeattle
SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl
SYDSEA
Sydney Kingsford Smith
Mon 9/11
10:40-23:59
2 stops32h 19m
Seattle/Tacoma Intl
Mon 16/11
11:30-08:30
2 stops26h 00m
SydneySeattle
SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl
SYDSEA
Sydney Kingsford Smith
Tue 2/2
13:35-14:37
1 stop20h 02m
Seattle/Tacoma Intl
Mon 8/2
13:30-08:30
2 stops24h 00m
SydneySeattle
SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl
SYDSEA
Sydney Kingsford Smith
Sun 22/11
21:25-13:54
2 stops35h 29m
Seattle/Tacoma Intl
Mon 23/11
00:55-09:00
2 stops37h 05m
SydneySeattle
SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl
SYDSEA
Sydney Kingsford Smith
Mon 23/11
11:20-16:12
1 stop23h 52m
Seattle/Tacoma Intl
Mon 30/11
16:39-09:05
1 stop21h 26m
SydneySeattle
SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl
SYDSEA
Sydney Kingsford Smith
Tue 24/11
11:50-16:27
1 stop23h 37m
Seattle/Tacoma Intl
Tue 1/12
17:28-09:05
1 stop20h 37m
SydneySeattle
SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl
SYDSEA
Sydney Kingsford Smith
Mon 23/11
11:10-16:59
2 stops48h 49m
Seattle/Tacoma Intl
Mon 30/11
05:10-09:00
2 stops32h 50m
SydneySeattle
SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl
SYDSEA
Sydney Kingsford Smith
Mon 23/11
11:20-14:37
1 stop22h 17m
Seattle/Tacoma Intl
Tue 8/12
19:05-09:35
1 stop19h 30m
SydneySeattle
SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl
SYDSEA
Sydney Kingsford Smith
Mon 23/11
11:20-14:37
1 stop22h 17m
Seattle/Tacoma Intl
Tue 8/12
19:05-09:35
1 stop19h 30m
See travel insights to Seattle from
How to get the cheapest flight ticket from New South Wales 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 cheapest month to fly to Seattle?
The month of August is, on average, the cheapest month to fly to Seattle from New South Wales, with most prices found around $1,434. If you are unable to visit Seattle during the month of August, then departing from New South Wales during the month March is also very affordable. Most momondo users find prices during this month for around $1,441.
How far in advance should I book a flight from New South Wales to Seattle?
You are more likely to see cheaper flights to Seattle from New South Wales when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,613 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from New South Wales for as low as $1,436 on momondo.
What is the cheapest airline that flies from New South Wales to Seattle/Tacoma Intl?
Delta and United Airlines are the most popular carriers operating from New South Wales to Seattle/Tacoma Intl
Which airlines fly to Seattle?
Air Canada, United Airlines and Qantas Airways are the top three most popular airlines that fly to Seattle from New South Wales according to our data. Air Canada is the first choice among our users, with 50% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
Cheap New South Wales to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from New South Wales to Seattle
Frequently asked questions about flying from New South Wales to Seattle
When did momondo last update prices for flights from New South Wales to Seattle/Tacoma Intl Airport?
Prices for flights from New South Wales to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from New South Wales to Seattle/Tacoma Intl Airport?
As of October 2026, there are 6 operators available to choose from for flights from New South Wales to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from New South Wales to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New South Wales to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from New South Wales to Seattle
Compare and see reviews for airlines that fly from New South Wales to Seattle with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,128 | Free cancellation | Rating 7.4 10,350 reviews | |||
| PriceFrom $1,220 | Free cancellation | Rating 7.1 11,758 reviews | |||
| PriceFrom $1,261 | Free cancellation | Rating 7.0 12,152 reviews | |||
| PriceFrom $1,315 | Free cancellation | Rating 7.5 1,109 reviews | |||
| PriceFrom $1,346 | Free cancellation | Rating 7.8 8,653 reviews | |||
| PriceFrom $1,460 | Free cancellation | Rating 7.8 2,806 reviews |
Travelling 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 New South Wales to Seattle?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New South Wales to Seattle . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from New South Wales to Seattle with flexible booking policies on momondo?
Flights from New South Wales to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from New South Wales to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from New South Wales. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from New South Wales to Seattle right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seattle from New South Wales. 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.