Which airlines fly to State of Washington?

Virgin Australia, Qantas Airways and Air Canada 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 33% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 5 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 5 operators available for flights from South Australia to Washington as of February 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.

$1,458 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

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14:55 - 15:41

ADL

SEA

19h 16m

1 stop

08:59 - 09:20

SEA

ADL

30h 51m

2 stops

$1,460United Airlines

Mon, 2 Mar - Mon, 9 Mar

19:55 - 22:56

ADL

SEA

45h 31m

2 stops

20:00 - 18:10

SEA

ADL

28h 40m

2 stops

$1,461Air Canada

Wed, 4 Mar - Tue, 10 Mar

07:50 - 17:13

ADL

PDX

27h 53m

2 stops

10:31 - 09:25

PDX

ADL

29h 24m

2 stops

$1,464Qantas Airways

Tue, 3 Mar - Tue, 31 Mar

19:55 - 19:16

ADL

SEA

41h 51m

2 stops

10:10 - 22:30

SEA

ADL

42h 50m

2 stops

$1,464Air Canada

Wed, 4 Mar - Thu, 12 Mar

06:00 - 12:51

ADL

SEA

23h 21m

2 stops

14:32 - 09:25

SEA

ADL

26h 23m

2 stops

$1,468Multiple Airlines

Tue, 21 Jul - Wed, 5 Aug

07:50 - 15:48

ADL

PDX

26h 28m

3 stops

14:37 - 09:25

PDX

ADL

25h 18m

2 stops

$1,478Multiple Airlines

Tue, 3 Mar - Tue, 31 Mar

06:00 - 12:51

ADL

SEA

23h 21m

2 stops

14:32 - 09:25

SEA

ADL

26h 23m

2 stops

$1,478Multiple Airlines

Tue, 21 Jul - Wed, 5 Aug

07:50 - 18:58

ADL

SEA

29h 38m

2 stops

19:24 - 13:40

SEA

ADL

24h 46m

2 stops

$1,494American Airlines

Mon, 2 Mar - Tue, 10 Mar

07:50 - 18:58

ADL

SEA

29h 38m

2 stops

19:24 - 13:45

SEA

ADL

24h 51m

2 stops

$1,501American Airlines

Tue, 3 Mar - Mon, 9 Mar

06:00 - 23:58

ADL

PDX

35h 28m

3 stops

17:49 - 09:25

PDX

ADL

46h 06m

3 stops

$2,718Cathay Pacific

Fri, 20 Mar - Fri, 27 Mar

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

15 July

ADL09:10Adelaide

64h 05m

1 stop

SEA08:45Seattle/Tacoma Intl

30 July

SEA10:15Seattle/Tacoma Intl

28h 40m

1 stop

ADL07:25Adelaide

$2,072

Singapore Airlines

17 July

ADL17:35Adelaide

31h 40m

1 stop

SEA08:45Seattle/Tacoma Intl

30 July

SEA10:15Seattle/Tacoma Intl

28h 40m

1 stop

ADL07:25Adelaide

$2,087

Singapore Airlines

17 July

ADL17:35Adelaide

31h 40m

1 stop

SEA08:45Seattle/Tacoma Intl

30 July

SEA10:15Seattle/Tacoma Intl

37h 35m

1 stop

ADL16:20Adelaide

$2,102

Air New Zealand flights from South Australia to State of Washington

Our best Air New Zealand deals on South Australia to State of Washington flight tickets

Air New Zealand

15 July

ADL06:25Adelaide

32h 23m

3 stops

SEA22:18Seattle/Tacoma Intl

30 July

SEA17:00Seattle/Tacoma Intl

26h 25m

3 stops

ADL11:55Adelaide

$2,012

Air New Zealand

2 Mar

ADL20:00Adelaide

38h 51m

3 stops

SEA16:21Seattle/Tacoma Intl

9 Mar

SEA06:32Seattle/Tacoma Intl

34h 53m

2 stops

ADL10:55Adelaide

$2,309

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

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 2/3

14:55-15:41

1 stop19h 16m

Seattle/Tacoma Intl

Mon 9/3

08:59-09:20

2 stops30h 51m

$1,460

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 4/3

19:55-22:56

2 stops45h 31m

Seattle/Tacoma Intl

Tue 10/3

20:00-18:10

2 stops28h 40m

$1,461

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 3/3

07:50-17:13

2 stops27h 53m

Portland

Tue 31/3

10:31-09:25

2 stops29h 24m

$1,464

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 4/3

19:55-19:16

2 stops41h 51m

Seattle/Tacoma Intl

Thu 12/3

10:10-22:30

2 stops42h 50m

$1,464

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:00-12:51

2 stops23h 21m

Seattle/Tacoma Intl

Wed 5/8

14:32-09:25

2 stops26h 23m

$1,468

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 3/3

07:50-15:48

3 stops26h 28m

Portland

Tue 31/3

14:37-09:25

2 stops25h 18m

$1,478

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:00-12:51

2 stops23h 21m

Seattle/Tacoma Intl

Wed 5/8

14:32-09:25

2 stops26h 23m

$1,478

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 2/3

07:50-18:58

2 stops29h 38m

Seattle/Tacoma Intl

Tue 10/3

19:24-13:40

2 stops24h 46m

$1,494

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 3/3

07:50-18:58

2 stops29h 38m

Seattle/Tacoma Intl

Mon 9/3

19:24-13:45

2 stops24h 51m

$1,501

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Fri 20/3

06:00-23:58

3 stops35h 28m

Portland

Fri 27/3

17:49-09:25

3 stops46h 06m

$2,718

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 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

Fastest flight time	19h 16m
Direct flights	None

The fastest flight from South Australia to State of Washington takes 19h 16m

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 5 operators available for flights from South Australia to Washington as of February 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 New Zealand	PriceFrom $880	Free cancellation	Rating 8.0 580 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,286	Free cancellation	Rating 7.5 987 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,383	Free cancellation	Rating 7.1 10,696 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,623	Free cancellation	Rating 7.6 436 reviews	Search Virgin Australia flights
United Airlines	PriceFrom $1,635	Free cancellation	Rating 7.4 9,241 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

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Cheap flights from South Australia to Washington from $1,460

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 Washington departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

Price Alerts

Find the cheapest flights from South Australia to Washington

Cheap return flights

Cheap one-way flights

Singapore Airlines flights from South Australia to State of Washington

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

Air New Zealand flights from South Australia to State of Washington

Our best Air New Zealand 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

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.

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

Fastest flight time

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

South Australia flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Washington

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Complete your trip to Washington

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