Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Australia from $344

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Australia departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
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 Seattle to Australia

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Australia that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Australia.

Cheap last minute flights

Planning a quick getaway from Seattle to Australia? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Australia, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Australia

Find recent round-trip train or bus tickets from Seattle to Australia.

All round-trip flight deals to Australia

The cheapest plane tickets to Australia found on KAYAK recently.
7:00 am - 7:45 pmSEA-SYD
17h 45m1 stop
9:40 pm - 9:20 pmSYD-SEA
18h 40m1 stop
$829Alaska Airlines
Find Deal
Wed, Feb 5 - Tue, Mar 4
7:00 am - 7:45 pmSEA-SYD
17h 45m1 stop
9:40 pm - 9:25 pmSYD-SEA
17h 45m1 stop
$830Hawaiian Airlines
Find Deal
Fri, Mar 7 - Sun, Mar 16
10:35 am - 8:40 amSEA-BNE
28h 05m1 stop
10:00 am - 10:00 pmBNE-SEA
29h 00m1 stop
$837Air Canada
Find Deal
Wed, Feb 5 - Thu, Apr 10
7:05 pm - 8:30 amSEA-BNE
44h 25m2 stops
10:00 am - 2:30 pmBNE-SEA
21h 30m1 stop
$859Air Canada
Find Deal
Fri, Mar 28 - Sun, Apr 13
11:45 am - 7:45 amSEA-BNE
26h 00m1 stop
11:30 am - 3:00 pmBNE-SEA
21h 30m1 stop
$862Delta
Find Deal
Fri, Feb 7 - Wed, Mar 5
9:54 am - 7:45 amSEA-BNE
27h 51m2 stops
11:30 am - 12:50 amBNE-SEA
31h 20m2 stops
$866Delta
Find Deal
Fri, Feb 7 - Wed, Mar 5
1:59 pm - 7:30 amSEA-BNE
47h 31m2 stops
11:40 am - 9:11 pmBNE-SEA
27h 31m2 stops
$892United Airlines
Find Deal
Sun, Jan 19 - Sun, Feb 9
6:10 am - 7:30 amSEA-BNE
31h 20m3 stops
9:25 pm - 9:29 pmBNE-SEA
41h 04m2 stops
$1,113United Airlines
Find Deal
Wed, Feb 5 - Thu, Apr 10
3:55 pm - 7:35 amSEA-MEL
21h 40m1 stop
9:40 am - 11:00 amMEL-SEA
19h 20m1 stop
$1,744Qantas Airways
Find Deal
Wed, Mar 19 - Tue, Apr 1
5:59 pm - 10:35 amSEA-MEL
22h 36m2 stops
9:40 am - 11:00 amMEL-SEA
19h 20m1 stop
$1,750Qantas Airways
Find Deal
Tue, Mar 18 - Mon, Mar 31
6:31 pm - 4:20 pmSEA-MEL
26h 49m1 stop
Tue, Mar 4
7:25 am - 7:45 pmSEA-SYD
18h 20m1 stop
$386Alaska Airlines
Find Deal
Mon, Mar 31
7:00 am - 7:45 pmSEA-SYD
17h 45m1 stop
$387Hawaiian Airlines
Find Deal
Wed, Feb 5
7:25 am - 7:45 pmSEA-SYD
18h 20m1 stop
$462Hawaiian Airlines
Find Deal
Wed, Mar 19
12:00 pm - 6:45 amSEA-BNE
25h 45m1 stop
$464Delta
Find Deal
Wed, Mar 26
5:45 am - 7:40 amSEA-BNE
32h 55m1 stop
$486Air Canada
Find Deal
Fri, Mar 21
3:05 pm - 6:05 pmSEA-SYD
32h 00m2 stops
$558Air Canada
Find Deal
Wed, Feb 26
11:45 am - 8:35 amSEA-SYD
25h 50m1 stop
$597Delta
Find Deal
Thu, Jan 23
12:50 pm - 7:30 amSEA-BNE
24h 40m1 stop
$609United Airlines
Find Deal
Sun, Jan 26
8:10 am - 6:30 amSEA-BNE
53h 20m3 stops
$643United Airlines
Find Deal
Wed, Mar 26
7:41 pm - 7:45 pmSEA-SYD
29h 04m1 stop
9:40 pm - 5:21 amSYD-SEA
26h 41m1 stop
$836Alaska Airlines
Find Deal
Sun, Nov 24 - Sat, Dec 7
9:25 am - 7:45 pmSEA-SYD
39h 20m2 stops
5:25 pm - 11:44 pmSYD-SEA
25h 19m1 stop
Sun, Nov 24 - Sat, Dec 7
7:05 am - 10:00 amSEA-MEL
31h 55m2 stops
4:50 pm - 9:20 pmMEL-SEA
23h 30m1 stop
$1,051
Find Deal
Tue, Nov 26 - Sun, Feb 2
5:30 am - 8:35 amSEA-SYD
32h 05m2 stops
11:05 am - 7:18 pmSYD-SEA
27h 13m2 stops
$1,071Delta
Find Deal
Sun, Nov 24 - Sat, Dec 7
11:50 am - 8:35 amSEA-SYD
25h 45m1 stop
11:05 am - 2:43 pmSYD-SEA
22h 38m1 stop
$1,082Delta
Find Deal
Fri, Nov 22 - Fri, Nov 29
11:55 pm - 7:30 amSEA-BNE
37h 35m2 stops
11:40 am - 12:47 pmBNE-SEA
43h 07m2 stops
$1,361United Airlines
Find Deal
Sat, Nov 23 - Wed, Dec 4
4:35 pm - 10:00 amSEA-MEL
22h 25m1 stop
12:10 pm - 10:46 amMEL-SEA
41h 36m2 stops
$1,587United Airlines
Find Deal
Sun, Nov 24 - Tue, Dec 3
3:05 pm - 8:40 amSEA-BNE
23h 35m1 stop
10:45 am - 9:50 amBNE-SEA
17h 05m1 stop
$1,629Air Canada
Find Deal
Sat, Nov 23 - Wed, Dec 4
3:48 pm - 9:45 amSEA-AVV
22h 57m2 stops
6:00 am - 7:47 pmAVV-SEA
32h 47m2 stops
$3,046Qantas Airways
Find Deal
Tue, Nov 26 - Sun, Feb 2
4:23 pm - 7:35 amSEA-SYD
44h 12m3 stops
6:10 pm - 10:43 pmSYD-SEA
23h 33m2 stops
$4,030Qantas Airways
Find Deal
Fri, Nov 22 - Fri, Nov 29

Alaska Airlines flights from Seattle to Australia

Our best Alaska Airlines deals on Seattle to Australia flight tickets
Alaska Airlines
Feb 5
SEA7:00 amSeattle/Tacoma Intl
17h 45m
1 stop
SYD7:45 pmSydney Kingsford Smith
Mar 4
SYD9:40 pmSydney Kingsford Smith
18h 40m
1 stop
SEA9:20 pmSeattle/Tacoma Intl
Alaska Airlines
Feb 24
SEA7:00 amSeattle/Tacoma Intl
17h 45m
1 stop
SYD7:45 pmSydney Kingsford Smith
Mar 4
SYD9:40 pmSydney Kingsford Smith
18h 40m
1 stop
SEA9:20 pmSeattle/Tacoma Intl
Alaska Airlines
May 12
SEA8:15 amSeattle/Tacoma Intl
18h 30m
1 stop
SYD7:45 pmSydney Kingsford Smith
May 17
SYD9:40 pmSydney Kingsford Smith
25h 35m
1 stop
SEA6:15 amSeattle/Tacoma Intl

ANA flights from Seattle to Australia

Our best ANA deals on Seattle to Australia flight tickets
ANA
May 11
SEA4:40 pmSeattle/Tacoma Intl
33h 35m
1 stop
SYD7:15 pmSydney Kingsford Smith
May 19
SYD11:50 amSydney Kingsford Smith
23h 37m
2 stops
SEA6:27 pmSeattle/Tacoma Intl
ANA
May 11
SEA4:40 pmSeattle/Tacoma Intl
33h 35m
1 stop
SYD7:15 pmSydney Kingsford Smith
May 18
SYD8:55 pmSydney Kingsford Smith
41h 34m
2 stops
SEA9:29 pmSeattle/Tacoma Intl

See travel insights to Australia from

How to get the cheapest flight ticket from Seattle to Australia

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 day to depart on your flight to Australia?

The cheapest day to depart from Seattle to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,090. On the other hand, Thursday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,171.

Can stopping save me money on Seattle to Australia flights?

You could potentially save up to 23% on your flight if you consider stops on a Seattle to Australia flight.

Cheap Seattle to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Australia

Best Price Found

$344

Fastest flight time

17h 45m

Direct flights

None

Airports in Australia

6 airports
The best one-way flight to Australia from Seattle in the past 72 hours is $344. The best round-trip flight deal from Seattle to Australia found on momondo in the last 72 hours is $829.
The fastest flight from Seattle to Australia takes 17h 45m
There are no direct flights from Seattle to Australia. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Melbourne Airport, Seattle/Tacoma Intl Airport - Sydney Kingsford Smith Airport and Seattle/Tacoma Intl Airport - Melbourne Avalon Airport.
There are 6 airports near Australia: Melbourne Avalon (AVV), Melbourne (MEL), Brisbane (BNE), Cairns (CNS), Perth (PER), Sydney Kingsford Smith (SYD)

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Australia?

    Prices for flights from Seattle/Tacoma Intl Airport to Australia are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Australia?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Australia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Australia.

  • What documentation or ID do you need to fly to Australia?

    The travel and health documents required for your trip to Australia 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 Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from Seattle to Australia

Compare and see reviews for airlines that fly from Seattle to Australia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $759Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
ANAPriceFrom $767Free CancellationRating
8.4
833 reviews
Search ANA flights
Air CanadaPriceFrom $796Free CancellationRating
7.0
8,246 reviews
Search Air Canada flights
DeltaPriceFrom $839Free CancellationRating
8.0
8,755 reviews
Search Delta flights
Qantas AirwaysPriceFrom $839Free CancellationRating
7.6
820 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $863Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $890Free CancellationRating
7.9
2,290 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $973Free CancellationRating
8.0
9,464 reviews
Search Alaska Airlines flights
Air New ZealandPriceFrom $1,202Free CancellationRating
8.0
529 reviews
Search Air New Zealand flights
Singapore AirlinesPriceFrom $1,210Free CancellationRating
8.1
1,338 reviews
Search Singapore Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Australia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Australia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Australia with flexible booking policies on momondo?

All flight searches from Seattle to Australia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Australia?

momondo helps you find the best flight between Seattle and Australia 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 Seattle to Australia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from Seattle and alert you when they change.


An easier way to manage your Australia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 11/26
Tue 12/3
Email me momondo's favorite deals

Find better results for your trip to Australia

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo