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Cheap flights from South Australia to Seattle from $1,090

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Australia to Seattle departing on 25/5. 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

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Find the cheapest flights from South Australia to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:35 - 18:10
ADL
-
SEA
22h 05m
2 stops
Multiple Airlines Logo
18:01 - 11:35
SEA
-
ADL
25h 04m
2 stops
$1,491Multiple Airlines
Thu, 6 Aug - Tue, 25 Aug
Multiple Airlines Logo
12:35 - 18:10
ADL
-
SEA
22h 05m
2 stops
Multiple Airlines Logo
18:01 - 11:35
SEA
-
ADL
25h 04m
2 stops
$1,623Multiple Airlines
Thu, 6 Aug - Tue, 25 Aug
Singapore Airlines Logo
17:35 - 08:45
ADL
-
SEA
31h 40m
1 stop
Singapore Airlines Logo
10:15 - 07:25
SEA
-
ADL
28h 40m
1 stop
$1,892Singapore Airlines
Thu, 6 Aug - Tue, 25 Aug
Multiple Airlines Logo
12:40 - 23:59
ADL
-
SEA
27h 49m
2 stops
Multiple Airlines Logo
07:35 - 08:10
SEA
-
ADL
32h 05m
2 stops
$1,963Multiple Airlines
Thu, 21 May - Thu, 28 May
United Airlines Logo
06:05 - 14:30
ADL
-
SEA
24h 55m
2 stops
United Airlines Logo
08:30 - 10:05
SEA
-
ADL
33h 05m
2 stops
$1,967United Airlines
Tue, 21 Jul - Wed, 5 Aug
United Airlines Logo
06:05 - 12:34
ADL
-
SEA
22h 59m
2 stops
United Airlines Logo
17:04 - 11:05
SEA
-
ADL
25h 31m
2 stops
$1,969United Airlines
Tue, 21 Jul - Wed, 5 Aug
United Airlines Logo
06:05 - 12:34
ADL
-
SEA
22h 59m
2 stops
United Airlines Logo
15:33 - 11:05
SEA
-
ADL
27h 02m
2 stops
$1,973United Airlines
Tue, 21 Jul - Wed, 5 Aug
United Airlines Logo
06:05 - 12:34
ADL
-
SEA
22h 59m
2 stops
United Airlines Logo
15:33 - 11:05
SEA
-
ADL
27h 02m
2 stops
$1,980United Airlines
Tue, 21 Jul - Wed, 5 Aug
Singapore Airlines Logo
17:35 - 08:45
ADL
-
SEA
31h 40m
1 stop
Singapore Airlines Logo
10:15 - 07:25
SEA
-
ADL
28h 40m
1 stop
$2,009Singapore Airlines
Thu, 6 Aug - Tue, 25 Aug
United Airlines Logo
06:05 - 16:29
ADL
-
SEA
26h 54m
2 stops
United Airlines Logo
07:00 - 11:05
SEA
-
ADL
35h 35m
2 stops
$2,069United Airlines
Sun, 24 May - Sun, 31 May

Singapore Airlines flights from South Australia to Seattle

Our best Singapore Airlines deals on South Australia to Seattle flight tickets
Singapore Airlines
6 Aug
ADL17:35Adelaide
31h 40m
1 stop
SEA08:45Seattle/Tacoma Intl
25 Aug
SEA10:15Seattle/Tacoma Intl
28h 40m
1 stop
ADL07:25Adelaide
$1,892
Singapore Airlines
15 July
ADL09:10Adelaide
64h 05m
1 stop
SEA08:45Seattle/Tacoma Intl
25 July
SEA10:15Seattle/Tacoma Intl
37h 35m
1 stop
ADL16:20Adelaide
$2,259
Singapore Airlines
15 July
ADL09:10Adelaide
40h 05m
1 stop
SEA08:45Seattle/Tacoma Intl
26 July
SEA10:15Seattle/Tacoma Intl
52h 40m
1 stop
ADL07:25Adelaide
$2,364

United Airlines flights from South Australia to Seattle

Our best United Airlines deals on South Australia to Seattle flight tickets
United Airlines
21 July
ADL06:05Adelaide
24h 55m
2 stops
SEA14:30Seattle/Tacoma Intl
5 Aug
SEA08:30Seattle/Tacoma Intl
33h 05m
2 stops
ADL10:05Adelaide
$1,967
United Airlines
21 July
ADL06:05Adelaide
22h 59m
2 stops
SEA12:34Seattle/Tacoma Intl
5 Aug
SEA17:04Seattle/Tacoma Intl
25h 31m
2 stops
ADL11:05Adelaide
$1,969
United Airlines
21 July
ADL06:05Adelaide
22h 59m
2 stops
SEA12:34Seattle/Tacoma Intl
5 Aug
SEA15:33Seattle/Tacoma Intl
27h 02m
2 stops
ADL11:05Adelaide
$1,973

momondo Fare Finder

 
Customise your flight search to find flights from South Australia to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 10 April 2026.
Use the filters below to find and compare flights from South Australia to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 6/8

12:35-18:10

2 stops22h 05m

Seattle/Tacoma Intl

Tue 25/8

18:01-11:35

2 stops25h 04m

$1,491

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 6/8

12:35-18:10

2 stops22h 05m

Seattle/Tacoma Intl

Tue 25/8

18:01-11:35

2 stops25h 04m

$1,623

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 6/8

17:35-08:45

1 stop31h 40m

Seattle/Tacoma Intl

Tue 25/8

10:15-07:25

1 stop28h 40m

$1,892

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 21/5

12:40-23:59

2 stops27h 49m

Seattle/Tacoma Intl

Thu 28/5

07:35-08:10

2 stops32h 05m

$1,963

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-14:30

2 stops24h 55m

Seattle/Tacoma Intl

Wed 5/8

08:30-10:05

2 stops33h 05m

$1,967

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-12:34

2 stops22h 59m

Seattle/Tacoma Intl

Wed 5/8

17:04-11:05

2 stops25h 31m

$1,969

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-12:34

2 stops22h 59m

Seattle/Tacoma Intl

Wed 5/8

15:33-11:05

2 stops27h 02m

$1,973

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-12:34

2 stops22h 59m

Seattle/Tacoma Intl

Wed 5/8

15:33-11:05

2 stops27h 02m

$1,980

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 6/8

17:35-08:45

1 stop31h 40m

Seattle/Tacoma Intl

Tue 25/8

10:15-07:25

1 stop28h 40m

$2,009

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 24/5

06:05-16:29

2 stops26h 54m

Seattle/Tacoma Intl

Sun 31/5

07:00-11:05

2 stops35h 35m

$2,069

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

How to get the cheapest flight ticket from South Australia 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

Can stopping save me money on South Australia to Seattle flights?

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

Cheap South Australia to Seattle flight deals and tips

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

Fastest flight time

22h 05m

Direct flights

None
The fastest flight from South Australia to Seattle takes 22h 05m
There are no direct flights from South Australia to Seattle. There are no popular flight routes from South Australia to Seattle.
Search flight deals

Frequently asked questions about flying from South Australia to Seattle

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

    Prices for flights from South Australia to Seattle/Tacoma Intl Airport were last updated today.

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

  • How old do you have to be to fly from South Australia 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 South Australia 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 licence, 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.

Best airlines flying from South Australia to Seattle

Compare and see reviews for airlines that fly from South Australia to Seattle with momondo
Airline
Rating
Free cancellation
Price
Air CanadaPriceFrom $1,181Free cancellationRating
7.1
10,915 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,182Free cancellationRating
7.5
1,018 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,493Free cancellationRating
7.4
9,561 reviews
Search United Airlines flights
Virgin AustraliaPriceFrom $1,603Free cancellationRating
7.6
453 reviews
Search Virgin Australia flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac

Why use momondo?

Why should I use momondo to find a flight deal from South Australia 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 South Australia to Seattle for you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from South Australia.

I’m not ready to book a flight from South Australia to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from South Australia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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