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

Air Canada, Singapore Airlines, and Qantas Airways are the most popular carriers operating from South Australia to Washington

Which airlines fly to State of Washington?

Virgin Australia, Singapore 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 39% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington 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 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 6 operators available for flights from South Australia to Washington as of September 2025.

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.

$878 Cheap Flights from South Australia to Washington in 2025

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Find the cheapest flights from South Australia to Washington

Round-trip

One-way

Cheap return flights

21:40 - 18:30ADL-PDX

38h 20m2 stops

19:00 - 22:30PDX-ADL

34h 00m2 stops

$1,399Air Canada

Find Deal

Sun, 26 Oct - Thu, 30 Oct

22:10 - 09:20ADL-PDX

28h 40m2 stops

19:00 - 22:30PDX-ADL

34h 00m2 stops

$1,413Air Canada

Find Deal

Sun, 19 Oct - Sun, 26 Oct

06:10 - 14:46ADL-PDX

26h 06m2 stops

19:00 - 12:35PDX-ADL

24h 05m2 stops

$1,419

Find Deal

Tue, 21 Oct - Tue, 28 Oct

06:10 - 14:26ADL-SEA

26h 46m2 stops

20:00 - 21:00SEA-ADL

30h 30m2 stops

$1,515

Find Deal

Fri, 7 Nov - Mon, 10 Nov

14:55 - 15:29ADL-SEA

19h 04m1 stop

19:30 - 09:30SEA-ADL

19h 30m1 stop

$1,652United Airlines

Find Deal

Mon, 15 Dec - Sat, 17 Jan

14:55 - 15:29ADL-SEA

19h 04m1 stop

17:10 - 09:30SEA-ADL

21h 50m1 stop

$1,654United Airlines

Find Deal

Mon, 15 Dec - Sat, 17 Jan

11:40 - 20:23ADL-SEA

27h 13m2 stops

16:59 - 10:55SEA-ADL

23h 26m2 stops

$1,840Qantas Airways

Find Deal

Wed, 26 Nov - Wed, 10 Dec

10:15 - 07:10ADL-SEA

39h 25m1 stop

08:45 - 17:20SEA-ADL

38h 05m1 stop

$2,089Singapore Airlines

Find Deal

Wed, 26 Nov - Sat, 6 Dec

10:15 - 07:10ADL-SEA

39h 25m1 stop

08:45 - 17:20SEA-ADL

38h 05m1 stop

$2,175Singapore Airlines

Find Deal

Wed, 26 Nov - Fri, 5 Dec

12:45 - 20:49ADL-PDX

25h 34m2 stops

17:55 - 10:55PDX-ADL

23h 30m2 stops

$2,333Qantas Airways

Find Deal

Fri, 24 Oct - Sat, 1 Nov

Qantas Airways flights from South Australia to State of Washington

Our best Qantas Airways deals on South Australia to State of Washington flight tickets

Qantas Airways

26 Nov

ADL11:40Adelaide

27h 13m

2 stops

SEA20:23Seattle/Tacoma Intl

10 Dec

SEA16:59Seattle/Tacoma Intl

23h 26m

2 stops

ADL10:55Adelaide

$1,840

Find similar

Qantas Airways

24 Oct

ADL12:45Adelaide

25h 34m

2 stops

PDX20:49Portland

1 Nov

PDX17:55Portland

23h 30m

2 stops

ADL10:55Adelaide

$2,333

Find similar

Qantas Airways

24 Oct

ADL06:00Adelaide

24h 59m

2 stops

PDX13:29Portland

1 Nov

PDX14:50Portland

29h 20m

2 stops

ADL13:40Adelaide

$6,544

Find similar

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

26 Nov

ADL10:15Adelaide

39h 25m

1 stop

SEA07:10Seattle/Tacoma Intl

6 Dec

SEA08:45Seattle/Tacoma Intl

38h 05m

1 stop

ADL17:20Adelaide

$2,089

Find similar

Singapore Airlines

26 Nov

ADL10:15Adelaide

39h 25m

1 stop

SEA07:10Seattle/Tacoma Intl

5 Dec

SEA08:45Seattle/Tacoma Intl

38h 05m

1 stop

ADL17:20Adelaide

$2,175

Find similar

Singapore Airlines

27 Nov

ADL10:15Adelaide

39h 25m

1 stop

SEA07:10Seattle/Tacoma Intl

6 Dec

SEA08:45Seattle/Tacoma Intl

38h 05m

1 stop

ADL17:20Adelaide

$2,202

Find similar

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

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 26/10

21:40-18:30

2 stops38h 20m

Portland

Thu 30/10

19:00-22:30

2 stops34h 00m

$1,399

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 19/10

22:10-09:20

2 stops28h 40m

Portland

Sun 26/10

19:00-22:30

2 stops34h 00m

$1,413

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 21/10

06:10-14:46

2 stops26h 06m

Portland

Tue 28/10

19:00-12:35

2 stops24h 05m

$1,419

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 7/11

06:10-14:26

2 stops26h 46m

Seattle/Tacoma Intl

Mon 10/11

20:00-21:00

2 stops30h 30m

$1,515

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

14:55-15:29

1 stop19h 04m

Seattle/Tacoma Intl

Sat 17/1

19:30-09:30

1 stop19h 30m

$1,652

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

14:55-15:29

1 stop19h 04m

Seattle/Tacoma Intl

Sat 17/1

17:10-09:30

1 stop21h 50m

$1,654

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 26/11

11:40-20:23

2 stops27h 13m

Seattle/Tacoma Intl

Wed 10/12

16:59-10:55

2 stops23h 26m

$1,840

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 26/11

10:15-07:10

1 stop39h 25m

Seattle/Tacoma Intl

Sat 6/12

08:45-17:20

1 stop38h 05m

$2,089

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 26/11

10:15-07:10

1 stop39h 25m

Seattle/Tacoma Intl

Fri 5/12

08:45-17:20

1 stop38h 05m

$2,175

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Fri 24/10

12:45-20:49

2 stops25h 34m

Portland

Sat 1/11

17:55-10:55

2 stops23h 30m

$2,333

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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

What is the cheapest month to fly to State of Washington?

The month of November is, on average, the cheapest month to fly to State of Washington from South Australia, with most prices found around $1,472. If you aren’t able to travel during the month of November, then book flights to State of Washington from South Australia during February instead. Flights to State of Washington in February, while not as cheap as those in November, still average around $1,721.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart on your flight to State of Washington is on a Tuesday when prices can be found for as low as $1,605. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Sunday is $2,331.

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

In the afternoon is the cheapest time of day to fly from South Australia to State of Washington when you can find flight prices for as low as $1,786. Flying to State of Washington in the afternoon is an ideal time because this is during off-peak travel hours. Flights at midday are often more expensive, with an average ticket price of $2,393.

Can stopping save me money on South Australia to State of Washington flights?

You could potentially save up to 8% 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

Direct flights	None

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

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 6 operators available for flights from South Australia to Washington as of September 2025.
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 New Zealand	PriceFrom $936	Free cancellation	Rating 8.0 505 reviews	Search Air New Zealand flights
Singapore Airlines	PriceFrom $1,420	Free cancellation	Rating 8.1 1,360 reviews	Search Singapore Airlines flights
Qantas Airways	PriceFrom $1,454	Free cancellation	Rating 7.5 905 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,471	Free cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,738	Free cancellation	Rating 7.5 416 reviews	Search Virgin Australia flights
United Airlines	PriceFrom $1,740	Free cancellation	Rating 7.4 8,934 reviews	Search United Airlines 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.

An easier way to manage your State of Washington 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.

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Popular Cities in Washington

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Cheap flights from South Australia to Washington from $878

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 Washington departing on 15/11. 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

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Price Alerts

Find the cheapest flights from South Australia to Washington

Cheap return flights

Cheap one-way flights

Qantas Airways flights from South Australia to State of Washington

Our best Qantas Airways deals on South Australia to State of Washington flight tickets

Singapore Airlines flights from South Australia to State of Washington

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

momondo Fare Finder

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

See travel insights to Washington from

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

What is the cheapest month to fly to State of Washington?

What is the cheapest day to depart on your flight to State of Washington?

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

Can stopping save me money on South Australia to State of Washington flights?

You could potentially save up to 8% on your flight if you consider stops on a South Australia to State of Washington flight.

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

Air Canada, Singapore Airlines, and Qantas Airways are the most popular carriers operating from South Australia to Washington

Which airlines fly to State of Washington?

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

Direct flights

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

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

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

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

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

Why use momondo?

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

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

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

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

An easier way to manage your State of Washington 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 Washington

Popular Cities in Washington

Popular flights according to clicks in the last 7 days on momondo