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Cheap flights from South Australia to Seattle from $1,433

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from South Australia to Seattle departing on 11/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
13:55 - 16:14ADL-SEA
19h 49m1 stop
United Airlines Logo
19:10 - 08:30SEA-ADL
43h 50m2 stops
$1,433United Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
United Airlines Logo
13:55 - 16:14ADL-SEA
19h 49m1 stop
United Airlines Logo
19:10 - 08:30SEA-ADL
43h 50m2 stops
$1,439United Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
United Airlines Logo
13:55 - 16:14ADL-SEA
19h 49m1 stop
United Airlines Logo
19:10 - 08:30SEA-ADL
43h 50m2 stops
$1,442United Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
American Airlines Logo
06:25 - 18:49ADL-SEA
29h 54m2 stops
American Airlines Logo
19:19 - 09:50SEA-ADL
45h 01m2 stops
$1,492American Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Air Canada Logo
06:10 - 09:31ADL-SEA
20h 51m2 stops
Air Canada Logo
10:05 - 13:55SEA-ADL
34h 20m2 stops
$1,576Air Canada
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Air Canada Logo
06:10 - 15:01ADL-SEA
26h 21m2 stops
Air Canada Logo
10:05 - 13:55SEA-ADL
34h 20m2 stops
$1,582Air Canada
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Virgin Australia Logo
14:55 - 21:07ADL-SEA
24h 42m1 stop
Virgin Australia Logo
06:18 - 10:55SEA-ADL
34h 07m2 stops
$1,902Virgin Australia
Find Deal
Sat, 20 Dec - Sun, 11 Jan
Singapore Airlines Logo
10:15 - 08:10ADL-SEA
39h 25m1 stop
Singapore Airlines Logo
09:45 - 08:50SEA-ADL
29h 35m1 stop
$1,909Singapore Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Singapore Airlines Logo
10:15 - 08:10ADL-SEA
39h 25m1 stop
Singapore Airlines Logo
09:45 - 08:50SEA-ADL
29h 35m1 stop
$1,918Singapore Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Virgin Australia Logo
06:10 - 12:18ADL-SEA
24h 38m2 stops
Virgin Australia Logo
12:35 - 09:30SEA-ADL
26h 25m1 stop
$2,587Virgin Australia
Find Deal
Thu, 11 Dec - Thu, 18 Dec

Virgin Australia flights from South Australia to Seattle

Our best Virgin Australia deals on South Australia to Seattle flight tickets
Virgin Australia
20 Dec
ADL14:55Adelaide
24h 42m
1 stop
SEA21:07Seattle/Tacoma Intl
11 Jan
SEA06:18Seattle/Tacoma Intl
34h 07m
2 stops
ADL10:55Adelaide
$1,902
Find similar
Virgin Australia
11 Dec
ADL06:10Adelaide
24h 38m
2 stops
SEA12:18Seattle/Tacoma Intl
18 Dec
SEA12:35Seattle/Tacoma Intl
26h 25m
1 stop
ADL09:30Adelaide
$2,587
Find similar
Virgin Australia
20 Dec
ADL06:10Adelaide
24h 47m
2 stops
SEA12:27Seattle/Tacoma Intl
11 Jan
SEA06:18Seattle/Tacoma Intl
34h 07m
2 stops
ADL10:55Adelaide
$2,794
Find similar

United Airlines flights from South Australia to Seattle

Our best United Airlines deals on South Australia to Seattle flight tickets
United Airlines
11 Mar
ADL13:55Adelaide
19h 49m
1 stop
SEA16:14Seattle/Tacoma Intl
15 Mar
SEA19:10Seattle/Tacoma Intl
43h 50m
2 stops
ADL08:30Adelaide
$1,433
Find similar
United Airlines
11 Mar
ADL13:55Adelaide
19h 49m
1 stop
SEA16:14Seattle/Tacoma Intl
15 Mar
SEA19:10Seattle/Tacoma Intl
43h 50m
2 stops
ADL08:30Adelaide
$1,439
Find similar
United Airlines
11 Mar
ADL13:55Adelaide
19h 49m
1 stop
SEA16:14Seattle/Tacoma Intl
15 Mar
SEA19:10Seattle/Tacoma Intl
43h 50m
2 stops
ADL08:30Adelaide
$1,442
Find similar

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 29 October 2025.
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

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

13:55-16:14

1 stop19h 49m

Seattle/Tacoma Intl

Sun 15/3

19:10-08:30

2 stops43h 50m

$1,433

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

13:55-16:14

1 stop19h 49m

Seattle/Tacoma Intl

Sun 15/3

19:10-08:30

2 stops43h 50m

$1,439

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

13:55-16:14

1 stop19h 49m

Seattle/Tacoma Intl

Sun 15/3

19:10-08:30

2 stops43h 50m

$1,442

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

06:25-18:49

2 stops29h 54m

Seattle/Tacoma Intl

Sun 15/3

19:19-09:50

2 stops45h 01m

$1,492

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

06:10-09:31

2 stops20h 51m

Seattle/Tacoma Intl

Sun 15/3

10:05-13:55

2 stops34h 20m

$1,576

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

06:10-15:01

2 stops26h 21m

Seattle/Tacoma Intl

Sun 15/3

10:05-13:55

2 stops34h 20m

$1,582

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sat 20/12

14:55-21:07

1 stop24h 42m

Seattle/Tacoma Intl

Sun 11/1

06:18-10:55

2 stops34h 07m

$1,902

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

10:15-08:10

1 stop39h 25m

Seattle/Tacoma Intl

Sun 15/3

09:45-08:50

1 stop29h 35m

$1,909

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

10:15-08:10

1 stop39h 25m

Seattle/Tacoma Intl

Sun 15/3

09:45-08:50

1 stop29h 35m

$1,918

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 11/12

06:10-12:18

2 stops24h 38m

Seattle/Tacoma Intl

Thu 18/12

12:35-09:30

1 stop26h 25m

$2,587

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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

What is the cheapest month to fly to Seattle?

The month of November is, on average, the cheapest month to fly to Seattle from South Australia, with most prices found around $1,452. If you are unable to visit Seattle during the month of November, then departing from South Australia during the month January is also very affordable. Most momondo users find prices during this month for around $1,641.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from South Australia to Seattle is on a Tuesday. Travellers who choose to depart for Seattle on a Tuesday will often find tickets for as low as $1,601. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from South Australia to Seattle for around $2,325.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is in the afternoon. momondo users have found flights departing from South Australia to Seattle in the afternoon for as low as $1,780. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is at midday when prices are around $2,386.

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

You could potentially save up to 8% 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

Direct flights

None
There are no direct flights from South Australia to Seattle. There are no popular flight routes from South Australia to Seattle.
Search flight deals

  • 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 New ZealandPriceFrom $933Free cancellationRating
8.0
520 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,364Free cancellationRating
7.5
925 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,415Free cancellationRating
8.1
1,388 reviews
Search Singapore Airlines flights
Air CanadaPriceFrom $1,467Free cancellationRating
7.1
10,372 reviews
Search Air Canada flights
Virgin AustraliaPriceFrom $1,723Free cancellationRating
7.6
421 reviews
Search Virgin Australia flights
United AirlinesPriceFrom $1,735Free cancellationRating
7.4
9,001 reviews
Search United Airlines 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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