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Cheap flights from South Australia to Seattle from $1,523

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.
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Cheap return flights

Air Canada Logo
06:10 - 22:06ADL-SEA
33h 26m2 stops
Air Canada Logo
15:40 - 13:55SEA-ADL
28h 45m2 stops
$1,523Air Canada
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Air Canada Logo
06:10 - 22:06ADL-SEA
33h 26m2 stops
Air Canada Logo
20:00 - 13:55SEA-ADL
24h 25m2 stops
$1,545Air Canada
Find Deal
Wed, 11 Mar - Sun, 15 Mar
United Airlines Logo
14:55 - 10:09ADL-SEA
37h 44m2 stops
United Airlines Logo
12:25 - 09:30SEA-ADL
26h 35m2 stops
$1,658United Airlines
Find Deal
Mon, 15 Dec - Sat, 17 Jan
United Airlines Logo
14:55 - 10:09ADL-SEA
37h 44m2 stops
United Airlines Logo
12:25 - 09:30SEA-ADL
26h 35m2 stops
$1,661United Airlines
Find Deal
Mon, 15 Dec - Sat, 17 Jan
Singapore Airlines Logo
10:15 - 08:10ADL-SEA
39h 25m1 stop
Singapore Airlines Logo
09:45 - 08:50SEA-ADL
29h 35m1 stop
$1,917Singapore 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
$1,920Singapore Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Multiple Airlines Logo
07:50 - 12:32ADL-SEA
23h 12m2 stops
Multiple Airlines Logo
13:40 - 10:55SEA-ADL
26h 45m3 stops
$2,595Multiple Airlines
Find Deal
Mon, 15 Dec - Tue, 20 Jan
China Airlines Logo
16:30 - 18:10ADL-SEA
44h 10m2 stops
China Airlines Logo
00:10 - 17:45SEA-ADL
47h 05m2 stops
$3,097China Airlines
Find Deal
Wed, 17 Dec - Mon, 19 Jan
Multiple Airlines Logo
12:35 - 20:35ADL-SEA
26h 30m3 stops
Multiple Airlines Logo
15:35 - 10:55SEA-ADL
24h 50m2 stops
$3,223Multiple Airlines
Find Deal
Wed, 17 Dec - Tue, 20 Jan
China Airlines Logo
17:10 - 18:10ADL-SEA
43h 30m2 stops
China Airlines Logo
00:10 - 17:45SEA-ADL
47h 05m2 stops
$3,427China Airlines
Find Deal
Mon, 15 Dec - Mon, 19 Jan

Air Canada flights from South Australia to Seattle

Our best Air Canada deals on South Australia to Seattle flight tickets
Air Canada
11 Mar
ADL06:10Adelaide
33h 26m
2 stops
SEA22:06Seattle/Tacoma Intl
15 Mar
SEA15:40Seattle/Tacoma Intl
28h 45m
2 stops
ADL13:55Adelaide
$1,523
Find similar
Air Canada
11 Mar
ADL06:10Adelaide
33h 26m
2 stops
SEA22:06Seattle/Tacoma Intl
15 Mar
SEA20:00Seattle/Tacoma Intl
24h 25m
2 stops
ADL13:55Adelaide
$1,545
Find similar

United Airlines flights from South Australia to Seattle

Our best United Airlines deals on South Australia to Seattle flight tickets
United Airlines
15 Dec
ADL14:55Adelaide
37h 44m
2 stops
SEA10:09Seattle/Tacoma Intl
17 Jan
SEA12:25Seattle/Tacoma Intl
26h 35m
2 stops
ADL09:30Adelaide
$1,658
Find similar
United Airlines
15 Dec
ADL14:55Adelaide
37h 44m
2 stops
SEA10:09Seattle/Tacoma Intl
17 Jan
SEA12:25Seattle/Tacoma Intl
26h 35m
2 stops
ADL09:30Adelaide
$1,661
Find similar
United Airlines
15 Dec
ADL14:55Adelaide
37h 44m
2 stops
SEA10:09Seattle/Tacoma Intl
20 Jan
SEA17:12Seattle/Tacoma Intl
26h 28m
2 stops
ADL14:10Adelaide
$1,700
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 18 September 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

06:10-22:06

2 stops33h 26m

Seattle/Tacoma Intl

Sun 15/3

15:40-13:55

2 stops28h 45m

$1,523

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

06:10-22:06

2 stops33h 26m

Seattle/Tacoma Intl

Sun 15/3

20:00-13:55

2 stops24h 25m

$1,545

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

14:55-10:09

2 stops37h 44m

Seattle/Tacoma Intl

Sat 17/1

12:25-09:30

2 stops26h 35m

$1,658

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

14:55-10:09

2 stops37h 44m

Seattle/Tacoma Intl

Sat 17/1

12:25-09:30

2 stops26h 35m

$1,661

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

$1,917

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

$1,920

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

07:50-12:32

2 stops23h 12m

Seattle/Tacoma Intl

Tue 20/1

13:40-10:55

3 stops26h 45m

$2,595

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 17/12

16:30-18:10

2 stops44h 10m

Seattle/Tacoma Intl

Mon 19/1

00:10-17:45

2 stops47h 05m

$3,097

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 17/12

12:35-20:35

3 stops26h 30m

Seattle/Tacoma Intl

Tue 20/1

15:35-10:55

2 stops24h 50m

$3,223

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

17:10-18:10

2 stops43h 30m

Seattle/Tacoma Intl

Mon 19/1

00:10-17:45

2 stops47h 05m

$3,427

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 $1,445. 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 $1,610.

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 $1,576. 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 $2,288.

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 $1,753. 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 $2,349.

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 $919Free cancellationRating
8.0
505 reviews
Search Air New Zealand flights
Air CanadaPriceFrom $1,249Free cancellationRating
7.1
10,000 reviews
Search Air Canada flights
Singapore AirlinesPriceFrom $1,394Free cancellationRating
8.1
1,367 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $1,428Free cancellationRating
7.5
907 reviews
Search Qantas Airways flights
Virgin AustraliaPriceFrom $1,706Free cancellationRating
7.5
416 reviews
Search Virgin Australia flights
United AirlinesPriceFrom $1,708Free cancellationRating
7.4
8,926 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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