Which airlines fly to State of Washington?

Virgin Australia, United Airlines and Qantas Airways are the top three most popular airlines that fly to State of Washington 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 State of Washington. Keep in mind that there are 4 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from South Australia to Washington?

Singapore Airlines is the most popular carrier operating from South Australia to Washington

When did momondo last update prices for flights from South Australia to Washington?

Prices for flights from South Australia to Washington are refreshed on a daily basis.

How many operators does momondo search for flights from South Australia to Washington?

There are 4 operators available for flights from South Australia to Washington as of April 2026.

How old do you have to be to fly from South Australia to Washington?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from South Australia to Washington.

What documentation or ID do you need to fly to Washington?

The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,122 Cheap Flights from South Australia to Washington in 2026

1 adult

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Find the cheapest flights from South Australia to Washington

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

18:55 - 18:30

ADL

SEA

40h 05m

2 stops

14:55 - 11:50

SEA

ADL

28h 25m

2 stops

$1,457Air Canada

Tue, 12 May - Tue, 19 May

17:15 - 09:30

ADL

PDX

32h 45m

2 stops

19:45 - 13:55

PDX

ADL

25h 40m

2 stops

$1,505Multiple Airlines

Tue, 12 May - Tue, 19 May

18:30 - 09:30

ADL

PDX

31h 30m

3 stops

19:45 - 13:55

PDX

ADL

25h 40m

2 stops

$1,580Multiple Airlines

Tue, 12 May - Tue, 19 May

06:25 - 16:39

ADL

SEA

26h 44m

2 stops

12:00 - 08:00

SEA

ADL

27h 30m

2 stops

$1,867Multiple Airlines

Tue, 21 Jul - Wed, 5 Aug

06:05 - 16:20

ADL

SEA

26h 45m

2 stops

13:30 - 11:05

SEA

ADL

29h 05m

2 stops

$2,010United Airlines

Tue, 21 Jul - Wed, 5 Aug

06:05 - 14:30

ADL

SEA

24h 55m

2 stops

17:04 - 11:05

SEA

ADL

25h 31m

2 stops

$2,014United Airlines

Tue, 21 Jul - Wed, 5 Aug

06:05 - 14:30

ADL

SEA

24h 55m

2 stops

08:30 - 10:05

SEA

ADL

33h 05m

2 stops

$2,027United Airlines

Tue, 21 Jul - Wed, 5 Aug

20:00 - 09:30

ADL

PDX

30h 00m

2 stops

19:45 - 11:10

PDX

ADL

22h 55m

2 stops

$2,033Air Canada

Fri, 15 May - Fri, 22 May

09:10 - 08:45

ADL

SEA

40h 05m

1 stop

10:15 - 07:25

SEA

ADL

28h 40m

1 stop

$2,194Singapore Airlines

Wed, 2 Sep - Sun, 6 Sep

09:10 - 08:45

ADL

SEA

40h 05m

1 stop

10:15 - 07:25

SEA

ADL

28h 40m

1 stop

$2,253Singapore Airlines

Wed, 15 Jul - Sun, 26 Jul

Singapore Airlines flights from South Australia to State of Washington

Our best Singapore Airlines deals on South Australia to State of Washington flight tickets

Singapore Airlines

2 Sept

ADL09:10Adelaide

40h 05m

1 stop

SEA08:45Seattle/Tacoma Intl

6 Sept

SEA10:15Seattle/Tacoma Intl

28h 40m

1 stop

ADL07:25Adelaide

$2,194

Singapore Airlines

15 July

ADL09:10Adelaide

40h 05m

1 stop

SEA08:45Seattle/Tacoma Intl

26 July

SEA10:15Seattle/Tacoma Intl

28h 40m

1 stop

ADL07:25Adelaide

$2,253

Singapore Airlines

2 Sept

ADL09:10Adelaide

40h 05m

1 stop

SEA08:45Seattle/Tacoma Intl

6 Sept

SEA10:15Seattle/Tacoma Intl

28h 40m

1 stop

ADL07:25Adelaide

$2,293

United Airlines flights from South Australia to State of Washington

Our best United Airlines deals on South Australia to State of Washington flight tickets

United Airlines

21 July

ADL06:05Adelaide

26h 45m

2 stops

SEA16:20Seattle/Tacoma Intl

5 Aug

SEA13:30Seattle/Tacoma Intl

29h 05m

2 stops

ADL11:05Adelaide

$2,010

United Airlines

21 July

ADL06:05Adelaide

24h 55m

2 stops

SEA14:30Seattle/Tacoma Intl

5 Aug

SEA17:04Seattle/Tacoma Intl

25h 31m

2 stops

ADL11:05Adelaide

$2,014

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

$2,027

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 12/5

18:55-18:30

2 stops40h 05m

Seattle/Tacoma Intl

Tue 19/5

14:55-11:50

2 stops28h 25m

$1,457

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 12/5

17:15-09:30

2 stops32h 45m

Portland

Tue 19/5

19:45-13:55

2 stops25h 40m

$1,505

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 12/5

18:30-09:30

3 stops31h 30m

Portland

Tue 19/5

19:45-13:55

2 stops25h 40m

$1,580

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:25-16:39

2 stops26h 44m

Seattle/Tacoma Intl

Wed 5/8

12:00-08:00

2 stops27h 30m

$1,867

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-16:20

2 stops26h 45m

Seattle/Tacoma Intl

Wed 5/8

13:30-11:05

2 stops29h 05m

$2,010

Fastest return journey

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-14:30

2 stops24h 55m

Seattle/Tacoma Intl

Wed 5/8

17:04-11:05

2 stops25h 31m

$2,014

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

$2,027

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Fri 15/5

20:00-09:30

2 stops30h 00m

Portland

Fri 22/5

19:45-11:10

2 stops22h 55m

$2,033

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 2/9

09:10-08:45

1 stop40h 05m

Seattle/Tacoma Intl

Sun 6/9

10:15-07:25

1 stop28h 40m

$2,194

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 15/7

09:10-08:45

1 stop40h 05m

Seattle/Tacoma Intl

Sun 26/7

10:15-07:25

1 stop28h 40m

$2,253

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from South Australia to State of Washington

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 State of Washington flights?

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

Cheap South Australia to State of Washington flight deals and tips

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

Fastest flight time	24h 55m
Direct flights	None

The fastest flight from South Australia to State of Washington takes 24h 55m

There are no direct flights from South Australia to State of Washington. There are no popular flight routes from South Australia to State of Washington.

Search flight deals

Frequently asked questions about flying from South Australia to Washington

When did momondo last update prices for flights from South Australia to Washington?
Prices for flights from South Australia to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from South Australia to Washington?
There are 4 operators available for flights from South Australia to Washington as of April 2026.
How old do you have to be to fly from South Australia to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from South Australia to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from South Australia to State of Washington

Compare and see reviews for airlines that fly from South Australia to State of Washington with momondo

Airline	Rating	Free cancellation	Price
Air Canada	PriceFrom $1,212	Free cancellation	Rating 7.1 10,873 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,213	Free cancellation	Rating 7.5 1,016 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,532	Free cancellation	Rating 7.4 9,529 reviews	Search United Airlines flights
Virgin Australia	PriceFrom $1,646	Free cancellation	Rating 7.6 451 reviews	Search Virgin Australia flights

Why use momondo?

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

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 Washington for you.

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

Yes. All flights to Washington from South Australia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential South Australia to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Washington 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.