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Cheap flights from South Australia to Washington from $1,277

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 29/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
10:15 - 08:10ADL-SEA
39h 25m1 stop
Singapore Airlines Logo
09:45 - 08:50SEA-ADL
29h 35m1 stop
$1,920Singapore Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Singapore Airlines Logo
10:15 - 08:10ADL-SEA
39h 25m1 stop
Singapore Airlines Logo
09:45 - 08:50SEA-ADL
29h 35m1 stop
$1,924Singapore Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Air Canada Logo
18:55 - 19:16ADL-SEA
41h 51m2 stops
Air Canada Logo
20:00 - 13:55SEA-ADL
24h 25m2 stops
$2,251Air Canada
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Air Canada Logo
18:55 - 19:16ADL-SEA
41h 51m2 stops
Air Canada Logo
15:40 - 13:55SEA-ADL
28h 45m2 stops
$2,259Air Canada
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Air Canada Logo
18:55 - 15:01ADL-SEA
37h 36m2 stops
Air Canada Logo
10:05 - 13:55SEA-ADL
34h 20m2 stops
$2,264Air Canada
Find Deal
Wed, 11 Mar - Sun, 15 Mar
United Airlines Logo
13:55 - 16:14ADL-SEA
19h 49m1 stop
United Airlines Logo
19:10 - 08:30SEA-ADL
43h 50m2 stops
$2,370United Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
United Airlines Logo
13:55 - 16:14ADL-SEA
19h 49m1 stop
United Airlines Logo
19:10 - 08:30SEA-ADL
43h 50m2 stops
$2,374United Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Virgin Australia Logo
21:50 - 12:27ADL-SEA
33h 07m2 stops
Virgin Australia Logo
13:35 - 14:10SEA-ADL
30h 05m2 stops
$2,713Virgin Australia
Find Deal
Tue, 23 Dec - Tue, 30 Dec
Virgin Australia Logo
21:50 - 18:48ADL-PDX
39h 28m2 stops
Virgin Australia Logo
19:45 - 16:20PDX-ADL
26h 05m2 stops
$2,724Virgin Australia
Find Deal
Tue, 23 Dec - Tue, 30 Dec
Qantas Airways Logo
18:30 - 16:50ADL-PDX
40h 50m3 stops
Qantas Airways Logo
16:26 - 11:50PDX-ADL
24h 54m2 stops
$3,068Qantas Airways
Find Deal
Tue, 23 Dec - Tue, 30 Dec

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
11 Mar
ADL10:15Adelaide
39h 25m
1 stop
SEA08:10Seattle/Tacoma Intl
15 Mar
SEA09:45Seattle/Tacoma Intl
29h 35m
1 stop
ADL08:50Adelaide
$1,920
Find similar
Singapore Airlines
11 Mar
ADL10:15Adelaide
39h 25m
1 stop
SEA08:10Seattle/Tacoma Intl
15 Mar
SEA09:45Seattle/Tacoma Intl
29h 35m
1 stop
ADL08:50Adelaide
$1,924
Find similar
Singapore Airlines
23 Dec
ADL10:15Adelaide
63h 25m
1 stop
SEA07:10Seattle/Tacoma Intl
30 Dec
SEA08:45Seattle/Tacoma Intl
29h 35m
1 stop
ADL08:50Adelaide
$3,884
Find similar

Air Canada flights from South Australia to State of Washington

Our best Air Canada deals on South Australia to State of Washington flight tickets
Air Canada
11 Mar
ADL18:55Adelaide
41h 51m
2 stops
SEA19:16Seattle/Tacoma Intl
15 Mar
SEA20:00Seattle/Tacoma Intl
24h 25m
2 stops
ADL13:55Adelaide
$2,251
Find similar
Air Canada
11 Mar
ADL18:55Adelaide
41h 51m
2 stops
SEA19:16Seattle/Tacoma Intl
15 Mar
SEA15:40Seattle/Tacoma Intl
28h 45m
2 stops
ADL13:55Adelaide
$2,259
Find similar
Air Canada
11 Mar
ADL18:55Adelaide
37h 36m
2 stops
SEA15:01Seattle/Tacoma Intl
15 Mar
SEA10:05Seattle/Tacoma Intl
34h 20m
2 stops
ADL13:55Adelaide
$2,264
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from South Australia to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 9 November 2025.
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

Wed 11/3

10:15-08:10

1 stop39h 25m

Seattle/Tacoma Intl

Sun 15/3

09:45-08:50

1 stop29h 35m

$1,920

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

10:15-08:10

1 stop39h 25m

Seattle/Tacoma Intl

Sun 15/3

09:45-08:50

1 stop29h 35m

$1,924

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

18:55-19:16

2 stops41h 51m

Seattle/Tacoma Intl

Sun 15/3

20:00-13:55

2 stops24h 25m

$2,251

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

18:55-19:16

2 stops41h 51m

Seattle/Tacoma Intl

Sun 15/3

15:40-13:55

2 stops28h 45m

$2,259

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

18:55-15:01

2 stops37h 36m

Seattle/Tacoma Intl

Sun 15/3

10:05-13:55

2 stops34h 20m

$2,264

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

13:55-16:14

1 stop19h 49m

Seattle/Tacoma Intl

Sun 15/3

19:10-08:30

2 stops43h 50m

$2,370

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

13:55-16:14

1 stop19h 49m

Seattle/Tacoma Intl

Sun 15/3

19:10-08:30

2 stops43h 50m

$2,374

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 23/12

21:50-12:27

2 stops33h 07m

Seattle/Tacoma Intl

Tue 30/12

13:35-14:10

2 stops30h 05m

$2,713

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 23/12

21:50-18:48

2 stops39h 28m

Portland

Tue 30/12

19:45-16:20

2 stops26h 05m

$2,724

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 23/12

18:30-16:50

3 stops40h 50m

Portland

Tue 30/12

16:26-11:50

2 stops24h 54m

$3,068

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 $1,618. 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 $2,349.

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 $1,799. 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 $2,412.

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?

  • 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 ZealandPriceFrom $943Free cancellationRating
8.0
524 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,379Free cancellationRating
7.5
930 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,431Free cancellationRating
8.1
1,393 reviews
Search Singapore Airlines flights
Air CanadaPriceFrom $1,483Free cancellationRating
7.1
10,428 reviews
Search Air Canada flights
Virgin AustraliaPriceFrom $1,751Free cancellationRating
7.6
424 reviews
Search Virgin Australia flights
United AirlinesPriceFrom $1,753Free cancellationRating
7.4
9,010 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.

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