When did momondo last update prices for flights from Adelaide Airport to Washington?

Prices for flights from Adelaide Airport to Washington are updated daily.

How many operators does momondo search for flights from Adelaide Airport to Washington?

As of November 2026, there is 1 operator available to choose from for flights from Adelaide Airport to Washington.

How old do you have to be to fly from Adelaide Airport to Washington?

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 Adelaide Airport to Washington.

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

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$864 Cheap Flights from Adelaide to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Adelaide to Washington

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 09:27ADL Adelaide-SEA Seattle/Tacoma Intl

21h 57m2 stops Sydney Kingsford Smith Vancouver Intl

15:15 - 12:35SEA Seattle/Tacoma Intl-ADL Adelaide

26h 50m2 stops Vancouver Intl Sydney Kingsford Smith

$1,952Multiple Airlines

Tue, 24 Nov - Tue, 15 Dec

06:00 - 20:58ADL Adelaide-GEG Spokane

33h 28m3 stops Sydney Kingsford Smith Los Angeles Seattle/Tacoma Intl

06:00 - 18:10GEG Spokane-ADL Adelaide

41h 40m2 stops Los Angeles Sydney Kingsford Smith

$2,162Multiple Airlines

Tue, 17 Nov - Sat, 21 Nov

06:00 - 16:44ADL Adelaide-GEG Spokane

29h 14m3 stops Sydney Kingsford Smith Los Angeles Seattle/Tacoma Intl

05:00 - 18:10GEG Spokane-ADL Adelaide

42h 40m3 stops Portland Los Angeles Sydney Kingsford Smith

$2,294Multiple Airlines

Tue, 17 Nov - Sat, 21 Nov

06:00 - 12:22ADL Adelaide-GEG Spokane

24h 52m2 stops Sydney Kingsford Smith Los Angeles

06:00 - 18:10GEG Spokane-ADL Adelaide

41h 40m2 stops Los Angeles Sydney Kingsford Smith

$2,325Multiple Airlines

Tue, 17 Nov - Sat, 21 Nov

19:55 - 09:27ADL Adelaide-SEA Seattle/Tacoma Intl

32h 02m2 stops Sydney Kingsford Smith Vancouver Intl

10:10 - 13:55SEA Seattle/Tacoma Intl-ADL Adelaide

33h 15m2 stops Vancouver Intl Sydney Kingsford Smith

$2,546Air Canada

Tue, 24 Nov - Tue, 15 Dec

19:55 - 09:27ADL Adelaide-SEA Seattle/Tacoma Intl

32h 02m2 stops Sydney Kingsford Smith Vancouver Intl

08:40 - 18:10SEA Seattle/Tacoma Intl-ADL Adelaide

39h 00m2 stops Vancouver Intl Sydney Kingsford Smith

$2,548Air Canada

Tue, 24 Nov - Tue, 15 Dec

06:00 - 13:08ADL Adelaide-SEA Seattle/Tacoma Intl

25h 38m2 stops Sydney Kingsford Smith Los Angeles

13:36 - 11:00SEA Seattle/Tacoma Intl-ADL Adelaide

26h 54m3 stops San Francisco Los Angeles Sydney Kingsford Smith

$2,775Multiple Airlines

Tue, 24 Nov - Tue, 15 Dec

06:00 - 13:08ADL Adelaide-SEA Seattle/Tacoma Intl

25h 38m2 stops Sydney Kingsford Smith Los Angeles

13:36 - 11:00SEA Seattle/Tacoma Intl-ADL Adelaide

26h 54m3 stops San Francisco Los Angeles Sydney Kingsford Smith

$2,778Multiple Airlines

Tue, 24 Nov - Tue, 15 Dec

06:25 - 18:10ADL Adelaide-SEA Seattle/Tacoma Intl

30h 15m2 stops Denpasar Bali Ngurah Rai Taipei City Taiwan Taoyuan Intl

00:10 - 06:15SEA Seattle/Tacoma Intl-ADL Adelaide

35h 35m2 stops Taipei City Taiwan Taoyuan Intl Denpasar Bali Ngurah Rai

$2,830Multiple Airlines

Tue, 15 Dec - Mon, 21 Dec

06:00 - 11:03ADL Adelaide-SEA Seattle/Tacoma Intl

23h 33m2 stops Sydney Kingsford Smith Los Angeles

15:55 - 13:30SEA Seattle/Tacoma Intl-ADL Adelaide

27h 05m3 stops Los Angeles Sydney Kingsford Smith Melbourne

$3,254Multiple Airlines

Tue, 24 Nov - Tue, 15 Dec

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Air Canada flights from Adelaide to State of Washington

Our best Air Canada deals on Adelaide to State of Washington flight tickets

Air Canada

24 Nov

ADL19:55Adelaide

32h 02m

2 stops

SEA09:27Seattle/Tacoma Intl

15 Dec

SEA10:10Seattle/Tacoma Intl

33h 15m

2 stops

ADL13:55Adelaide

$2,546

Air Canada

24 Nov

ADL19:55Adelaide

32h 02m

2 stops

SEA09:27Seattle/Tacoma Intl

15 Dec

SEA08:40Seattle/Tacoma Intl

34h 45m

2 stops

ADL13:55Adelaide

$2,548

Singapore Airlines flights from Adelaide to State of Washington

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

Singapore Airlines

24 Nov

ADL10:05Adelaide

39h 30m

1 stop

SEA07:05Seattle/Tacoma Intl

15 Dec

SEA08:40Seattle/Tacoma Intl

29h 40m

1 stop

ADL08:50Adelaide

$3,721

Singapore Airlines

24 Nov

ADL10:05Adelaide

39h 30m

1 stop

SEA07:05Seattle/Tacoma Intl

15 Dec

SEA08:40Seattle/Tacoma Intl

38h 10m

1 stop

ADL17:20Adelaide

$3,724

Singapore Airlines

24 Nov

ADL18:20Adelaide

31h 15m

2 stops

SEA07:05Seattle/Tacoma Intl

15 Dec

SEA08:40Seattle/Tacoma Intl

29h 40m

1 stop

ADL08:50Adelaide

$4,180

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

06:00-09:27

2 stops21h 57m

Seattle/Tacoma Intl

Tue 15/12

15:15-12:35

2 stops26h 50m

$1,952

AdelaideSpokane

ADL Adelaide - GEG Spokane

ADLGEG

Adelaide

Tue 17/11

06:00-20:58

3 stops33h 28m

Spokane

Sat 21/11

06:00-18:10

2 stops41h 40m

$2,162

AdelaideSpokane

ADL Adelaide - GEG Spokane

ADLGEG

Adelaide

Tue 17/11

06:00-16:44

3 stops29h 14m

Spokane

Sat 21/11

05:00-18:10

3 stops42h 40m

$2,294

AdelaideSpokane

ADL Adelaide - GEG Spokane

ADLGEG

Adelaide

Tue 17/11

06:00-12:22

2 stops24h 52m

Spokane

Sat 21/11

06:00-18:10

2 stops41h 40m

$2,325

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

19:55-09:27

2 stops32h 02m

Seattle/Tacoma Intl

Tue 15/12

10:10-13:55

2 stops33h 15m

$2,546

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

19:55-09:27

2 stops32h 02m

Seattle/Tacoma Intl

Tue 15/12

08:40-18:10

2 stops39h 00m

$2,548

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

06:00-13:08

2 stops25h 38m

Seattle/Tacoma Intl

Tue 15/12

13:36-11:00

3 stops26h 54m

$2,775

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

06:00-13:08

2 stops25h 38m

Seattle/Tacoma Intl

Tue 15/12

13:36-11:00

3 stops26h 54m

$2,778

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 15/12

06:25-18:10

2 stops30h 15m

Seattle/Tacoma Intl

Mon 21/12

00:10-06:15

2 stops35h 35m

$2,830

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

06:00-11:03

2 stops23h 33m

Seattle/Tacoma Intl

Tue 15/12

15:55-13:30

3 stops27h 05m

$3,254

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Adelaide 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 airline that flies from Adelaide to Washington?

Cathay Pacific is the most popular carrier operating from Adelaide to Washington

Cheap Adelaide to State of Washington flight deals and tips

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

Best price found	$864
Fastest flight time	26h 56m
Direct flights	None

The best one-way flight to State of Washington from Adelaide in the past 72 hours is $864. The best return flight deal from Adelaide to State of Washington found on momondo in the last 72 hours is $1,952.

The fastest flight from Adelaide to State of Washington takes 26h 56m

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

Search flight deals

Frequently asked questions about flying from Adelaide to Washington

When did momondo last update prices for flights from Adelaide Airport to Washington?
Prices for flights from Adelaide Airport to Washington are updated daily.
How many operators does momondo search for flights from Adelaide Airport to Washington?
As of November 2026, there is 1 operator available to choose from for flights from Adelaide Airport to Washington.
How old do you have to be to fly from Adelaide Airport to Washington?
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 Adelaide Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Adelaide to State of Washington

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

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,265	Free cancellation	Rating 7.3 10,460 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Washington from Adelaide is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

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

Flights from Adelaide to Washington with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Adelaide to Washington?

momondo helps you find the best flight between Adelaide and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Adelaide to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.