What is the cheapest airline that flies from South Australia to Seattle/Tacoma Intl?

United Airlines is the most popular carrier operating from South Australia to Seattle/Tacoma Intl

Which airlines fly to Seattle?

Virgin Australia, Qantas Airways and Singapore Airlines are the top three most popular airlines that fly to Seattle from South Australia according to our data. Virgin Australia is the first choice among our users, with 31% 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.

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?

There are 6 operators available for flights from South Australia to Seattle/Tacoma Intl Airport as of January 2026.

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.

$1,112 Cheap Flights from South Australia to Seattle in 2026

1 adult

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Find the cheapest flights from South Australia to Seattle

Round-trip

One-way

Cheap return flights

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07:50 - 19:58

ADL

SEA

30h 38m2 stops

16:50 - 13:40

SEA

ADL

26h 20m2 stops

$1,460Qantas Airways

Thu, 12 Feb - Thu, 19 Feb

07:50 - 18:57

ADL

SEA

29h 37m2 stops

16:50 - 15:45

SEA

ADL

28h 25m2 stops

$1,644Qantas Airways

Fri, 13 Feb - Fri, 20 Feb

06:00 - 15:41

ADL

SEA

28h 11m2 stops

12:32 - 09:30

SEA

ADL

26h 28m1 stop

$1,698Virgin Australia

Thu, 12 Feb - Thu, 19 Feb

07:15 - 21:01

ADL

SEA

32h 16m3 stops

12:55 - 09:30

SEA

ADL

26h 05m2 stops

$1,845United Airlines

Thu, 12 Feb - Thu, 19 Feb

07:15 - 16:21

ADL

SEA

27h 36m2 stops

07:00 - 10:55

SEA

ADL

33h 25m3 stops

$1,960United Airlines

Fri, 13 Feb - Fri, 20 Feb

06:10 - 15:01

ADL

SEA

26h 21m2 stops

15:40 - 19:10

SEA

ADL

34h 00m2 stops

$1,963Air Canada

Thu, 19 Mar - Mon, 23 Mar

10:35 - 20:42

ADL

SEA

27h 37m2 stops

14:53 - 09:50

SEA

ADL

25h 27m2 stops

$2,034Qantas Airways

Thu, 19 Mar - Mon, 23 Mar

20:55 - 09:15

ADL

SEA

30h 50m3 stops

08:45 - 14:20

SEA

ADL

35h 05m3 stops

$2,298Multiple Airlines

Thu, 12 Feb - Thu, 19 Feb

18:35 - 07:10

ADL

SEA

31h 05m1 stop

08:45 - 17:20

SEA

ADL

38h 05m1 stop

$2,310Singapore Airlines

Thu, 12 Feb - Thu, 19 Feb

18:35 - 07:10

ADL

SEA

31h 05m1 stop

16:50 - 10:55

SEA

ADL

23h 35m2 stops

$2,493Multiple Airlines

Fri, 13 Feb - Fri, 20 Feb

Qantas Airways flights from South Australia to Seattle

Our best Qantas Airways deals on South Australia to Seattle flight tickets

Qantas Airways

12 Feb

ADL07:50Adelaide

30h 38m

2 stops

SEA19:58Seattle/Tacoma Intl

19 Feb

SEA16:50Seattle/Tacoma Intl

26h 20m

2 stops

ADL13:40Adelaide

$1,460

Find similar

Qantas Airways

13 Feb

ADL07:50Adelaide

29h 37m

2 stops

SEA18:57Seattle/Tacoma Intl

20 Feb

SEA16:50Seattle/Tacoma Intl

28h 25m

2 stops

ADL15:45Adelaide

$1,644

Find similar

Qantas Airways

19 Mar

ADL10:35Adelaide

27h 37m

2 stops

SEA20:42Seattle/Tacoma Intl

23 Mar

SEA14:53Seattle/Tacoma Intl

25h 27m

2 stops

ADL09:50Adelaide

$2,034

Find similar

Virgin Australia flights from South Australia to Seattle

Our best Virgin Australia deals on South Australia to Seattle flight tickets

Virgin Australia

12 Feb

ADL06:00Adelaide

28h 11m

2 stops

SEA15:41Seattle/Tacoma Intl

19 Feb

SEA12:32Seattle/Tacoma Intl

26h 28m

1 stop

ADL09:30Adelaide

$1,698

Find similar

Virgin Australia

19 Mar

ADL08:30Adelaide

25h 14m

2 stops

SEA16:14Seattle/Tacoma Intl

23 Mar

SEA12:36Seattle/Tacoma Intl

26h 24m

1 stop

ADL08:30Adelaide

$2,683

Find similar

Virgin Australia

19 Mar

ADL08:30Adelaide

25h 14m

2 stops

SEA16:14Seattle/Tacoma Intl

23 Mar

SEA17:20Seattle/Tacoma Intl

21h 40m

1 stop

ADL08:30Adelaide

$2,689

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 12/2

07:50-19:58

2 stops30h 38m

Seattle/Tacoma Intl

Thu 19/2

16:50-13:40

2 stops26h 20m

$1,460

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 13/2

07:50-18:57

2 stops29h 37m

Seattle/Tacoma Intl

Fri 20/2

16:50-15:45

2 stops28h 25m

$1,644

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 12/2

06:00-15:41

2 stops28h 11m

Seattle/Tacoma Intl

Thu 19/2

12:32-09:30

1 stop26h 28m

$1,698

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 12/2

07:15-21:01

3 stops32h 16m

Seattle/Tacoma Intl

Thu 19/2

12:55-09:30

2 stops26h 05m

$1,845

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 13/2

07:15-16:21

2 stops27h 36m

Seattle/Tacoma Intl

Fri 20/2

07:00-10:55

3 stops33h 25m

$1,960

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 19/3

06:10-15:01

2 stops26h 21m

Seattle/Tacoma Intl

Mon 23/3

15:40-19:10

2 stops34h 00m

$1,963

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 19/3

10:35-20:42

2 stops27h 37m

Seattle/Tacoma Intl

Mon 23/3

14:53-09:50

2 stops25h 27m

$2,034

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 12/2

20:55-09:15

3 stops30h 50m

Seattle/Tacoma Intl

Thu 19/2

08:45-14:20

3 stops35h 05m

$2,298

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 12/2

18:35-07:10

1 stop31h 05m

Seattle/Tacoma Intl

Thu 19/2

08:45-17:20

1 stop38h 05m

$2,310

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 13/2

18:35-07:10

1 stop31h 05m

Seattle/Tacoma Intl

Fri 20/2

16:50-10:55

2 stops23h 35m

$2,493

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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

Prices

Airlines

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

Fastest flight time	26h 07m
Direct flights	None

The fastest flight from South Australia to Seattle takes 26h 07m

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?
There are 6 operators available for flights from South Australia to Seattle/Tacoma Intl Airport as of January 2026.
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 Zealand	PriceFrom $917	Free cancellation	Rating 8.0 563 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,341	Free cancellation	Rating 7.5 961 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $1,391	Free cancellation	Rating 8.1 1,424 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $1,442	Free cancellation	Rating 7.1 10,571 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,693	Free cancellation	Rating 7.6 433 reviews	Search Virgin Australia flights
United Airlines	PriceFrom $1,705	Free cancellation	Rating 7.4 9,132 reviews	Search United Airlines flights

SeaTac

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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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Cheap flights from South Australia to Seattle from $1,112

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 14/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from South Australia to Seattle

Cheap return flights

Cheap one-way flights

Qantas Airways flights from South Australia to Seattle

Our best Qantas Airways deals on South Australia to Seattle flight tickets

Virgin Australia flights from South Australia to Seattle

Our best Virgin Australia deals on South Australia to Seattle flight tickets

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Use the filters below to find and compare flights from South Australia to Seattle that are best for you.

See travel insights to Seattle from

How to get the cheapest flight ticket from South Australia to Seattle

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.

What is the cheapest airline that flies from South Australia to Seattle/Tacoma Intl?

United Airlines is the most popular carrier operating from South Australia to Seattle/Tacoma Intl

Which airlines fly to Seattle?

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

Direct flights

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

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?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

Best airlines flying from South Australia to Seattle

Compare and see reviews for airlines that fly from South Australia to Seattle with momondo

Travelling to a place near Seattle?

Why use momondo?

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

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

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

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

An easier way to manage your Seattle trip

We make it super easy to schedule, organise 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.

Find better results for your trip to the United States

Airports servicing Washington