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 32% 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 December 2025.

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.

$1,434 Cheap Flights from South Australia to Seattle in 2025/26

1 adult

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Find the cheapest flights from South Australia to Seattle

Round-trip

Cheap return flights

Enter your travel dates to find the best prices.

06:10 - 22:06ADL-SEA

34h 26m2 stops

15:40 - 16:20SEA-ADL

30h 10m2 stops

$1,434Air Canada

Find Deal

Thu, 29 Jan - Mon, 2 Feb

09:30 - 21:12ADL-SEA

54h 12m3 stops

12:57 - 09:30SEA-ADL

50h 03m3 stops

$1,870United Airlines

Find Deal

Fri, 16 Jan - Fri, 23 Jan

06:10 - 09:31ADL-SEA

21h 51m2 stops

20:00 - 22:30SEA-ADL

32h 00m2 stops

$1,978Air Canada

Find Deal

Thu, 29 Jan - Mon, 2 Feb

12:35 - 18:20ADL-SEA

24h 15m2 stops

10:50 - 09:35SEA-ADL

28h 15m2 stops

$2,055Multiple Airlines

Find Deal

Mon, 15 Dec - Tue, 20 Jan

14:55 - 15:29ADL-SEA

19h 04m1 stop

09:25 - 09:30SEA-ADL

29h 35m1 stop

$2,426United Airlines

Find Deal

Mon, 15 Dec - Sat, 17 Jan

14:55 - 15:29ADL-SEA

19h 04m1 stop

05:00 - 09:30SEA-ADL

34h 00m2 stops

$2,433United Airlines

Find Deal

Mon, 15 Dec - Sat, 17 Jan

07:50 - 15:47ADL-SEA

26h 27m3 stops

15:45 - 10:55SEA-ADL

24h 40m2 stops

$2,450Multiple Airlines

Find Deal

Wed, 17 Dec - Tue, 20 Jan

07:50 - 14:24ADL-SEA

25h 04m2 stops

15:45 - 18:15SEA-ADL

32h 00m2 stops

$2,456Qantas Airways

Find Deal

Wed, 17 Dec - Tue, 20 Jan

07:05 - 14:24ADL-SEA

25h 49m2 stops

06:00 - 10:55SEA-ADL

34h 25m2 stops

$2,582Qantas Airways

Find Deal

Tue, 16 Dec - Fri, 16 Jan

07:15 - 15:44ADL-SEA

26h 59m2 stops

19:30 - 09:30SEA-ADL

19h 30m1 stop

$2,668Virgin Australia

Find Deal

Thu, 29 Jan - Mon, 2 Feb

Air Canada flights from South Australia to Seattle

Our best Air Canada deals on South Australia to Seattle flight tickets

Air Canada

29 Jan

ADL06:10Adelaide

34h 26m

2 stops

SEA22:06Seattle/Tacoma Intl

2 Feb

SEA15:40Seattle/Tacoma Intl

30h 10m

2 stops

ADL16:20Adelaide

$1,434

Find similar

Air Canada

29 Jan

ADL06:10Adelaide

21h 51m

2 stops

SEA09:31Seattle/Tacoma Intl

2 Feb

SEA20:00Seattle/Tacoma Intl

32h 00m

2 stops

ADL22:30Adelaide

$1,978

Find similar

United Airlines flights from South Australia to Seattle

Our best United Airlines deals on South Australia to Seattle flight tickets

United Airlines

16 Jan

ADL09:30Adelaide

54h 12m

3 stops

SEA21:12Seattle/Tacoma Intl

23 Jan

SEA14:10Seattle/Tacoma Intl

48h 50m

2 stops

ADL09:30Adelaide

$1,870

Find similar

United Airlines

15 Dec

ADL14:55Adelaide

19h 04m

1 stop

SEA15:29Seattle/Tacoma Intl

17 Jan

SEA09:25Seattle/Tacoma Intl

29h 35m

1 stop

ADL09:30Adelaide

$2,426

Find similar

United Airlines

15 Dec

ADL14:55Adelaide

19h 04m

1 stop

SEA15:29Seattle/Tacoma Intl

17 Jan

SEA05:00Seattle/Tacoma Intl

34h 00m

2 stops

ADL09:30Adelaide

$2,433

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 29/1

06:10-22:06

2 stops34h 26m

Seattle/Tacoma Intl

Mon 2/2

15:40-16:20

2 stops30h 10m

$1,434

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 16/1

09:30-21:12

3 stops54h 12m

Seattle/Tacoma Intl

Fri 23/1

12:57-09:30

3 stops50h 03m

$1,870

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 29/1

06:10-09:31

2 stops21h 51m

Seattle/Tacoma Intl

Mon 2/2

20:00-22:30

2 stops32h 00m

$1,978

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

12:35-18:20

2 stops24h 15m

Seattle/Tacoma Intl

Tue 20/1

10:50-09:35

2 stops28h 15m

$2,055

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

14:55-15:29

1 stop19h 04m

Seattle/Tacoma Intl

Sat 17/1

09:25-09:30

1 stop29h 35m

$2,426

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

14:55-15:29

1 stop19h 04m

Seattle/Tacoma Intl

Sat 17/1

05:00-09:30

2 stops34h 00m

$2,433

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 17/12

07:50-15:47

3 stops26h 27m

Seattle/Tacoma Intl

Tue 20/1

15:45-10:55

2 stops24h 40m

$2,450

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 17/12

07:50-14:24

2 stops25h 04m

Seattle/Tacoma Intl

Tue 20/1

15:45-18:15

2 stops32h 00m

$2,456

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 16/12

07:05-14:24

2 stops25h 49m

Seattle/Tacoma Intl

Fri 16/1

06:00-10:55

2 stops34h 25m

$2,582

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 29/1

07:15-15:44

2 stops26h 59m

Seattle/Tacoma Intl

Mon 2/2

19:30-09:30

1 stop19h 30m

$2,668

Flights are sorted by cheapest return flights first.

Sorted 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

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 $1,596. 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 $2,317.

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 $1,775. 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 $2,379.

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	24h 15m
Direct flights	None

The fastest flight from South Australia to Seattle takes 24h 15m

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 December 2025.
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 $930	Free cancellation	Rating 8.0 544 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,360	Free cancellation	Rating 7.5 947 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $1,411	Free cancellation	Rating 8.1 1,411 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $1,462	Free cancellation	Rating 7.1 10,500 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,717	Free cancellation	Rating 7.6 426 reviews	Search Virgin Australia flights
United Airlines	PriceFrom $1,729	Free cancellation	Rating 7.4 9,063 reviews	Search United Airlines flights

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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Cheap flights from South Australia to Seattle from $1,434

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 29/1. 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

Air Canada flights from South Australia to Seattle

Our best Air Canada deals on South Australia to Seattle flight tickets

United Airlines flights from South Australia to Seattle

Our best United Airlines deals on South Australia to Seattle flight tickets

momondo Fare Finder

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

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 Seattle?

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

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