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 October 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.

$1,092 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.

13:15 - 20:02ADL Adelaide-SEA Seattle/Tacoma Intl

25h 17m2 stops Nadi Los Angeles

13:36 - 12:15SEA Seattle/Tacoma Intl-ADL Adelaide

28h 09m2 stops Los Angeles Nadi

$1,485Multiple Airlines

Thu, 3 Dec - Thu, 10 Dec

13:15 - 18:33ADL Adelaide-SEA Seattle/Tacoma Intl

23h 48m2 stops Nadi Los Angeles

13:52 - 12:15SEA Seattle/Tacoma Intl-ADL Adelaide

27h 53m2 stops Los Angeles Nadi

$1,535Multiple Airlines

Thu, 19 Nov - Thu, 26 Nov

06:10 - 14:39ADL Adelaide-SEA Seattle/Tacoma Intl

26h 59m2 stops Melbourne San Francisco

16:39 - 14:10SEA Seattle/Tacoma Intl-ADL Adelaide

27h 01m2 stops Los Angeles Melbourne

$1,689Virgin Australia

Mon, 23 Nov - Mon, 30 Nov

06:10 - 16:12ADL Adelaide-SEA Seattle/Tacoma Intl

28h 32m2 stops Melbourne Los Angeles

17:35 - 16:10SEA Seattle/Tacoma Intl-ADL Adelaide

28h 05m2 stops San Francisco Melbourne

$1,740Virgin Australia

Thu, 3 Dec - Thu, 10 Dec

07:15 - 21:21ADL Adelaide-SEA Seattle/Tacoma Intl

32h 36m3 stops Melbourne Los Angeles Denver Intl

17:35 - 14:10SEA Seattle/Tacoma Intl-ADL Adelaide

26h 05m2 stops San Francisco Melbourne

$1,749United Airlines

Thu, 3 Dec - Thu, 10 Dec

08:40 - 20:47ADL Adelaide-SEA Seattle/Tacoma Intl

30h 37m2 stops Melbourne San Francisco

19:35 - 14:10SEA Seattle/Tacoma Intl-ADL Adelaide

24h 05m2 stops San Francisco Melbourne

$1,766United Airlines

Sun, 22 Nov - Sun, 29 Nov

07:15 - 21:50ADL Adelaide-SEA Seattle/Tacoma Intl

33h 05m2 stops Melbourne Los Angeles

16:39 - 16:10SEA Seattle/Tacoma Intl-ADL Adelaide

29h 01m3 stops Los Angeles Sydney Kingsford Smith Melbourne

$1,797Virgin Australia

Sun, 22 Nov - Sun, 29 Nov

19:55 - 14:37ADL Adelaide-SEA Seattle/Tacoma Intl

37h 12m2 stops Sydney Kingsford Smith Vancouver Intl

15:15 - 18:10SEA Seattle/Tacoma Intl-ADL Adelaide

32h 25m2 stops Vancouver Intl Sydney Kingsford Smith

$1,826Air Canada

Tue, 24 Nov - Tue, 15 Dec

19:55 - 14:37ADL Adelaide-SEA Seattle/Tacoma Intl

37h 12m2 stops Sydney Kingsford Smith Vancouver Intl

15:15 - 10:55SEA Seattle/Tacoma Intl-ADL Adelaide

25h 10m2 stops Vancouver Intl Sydney Kingsford Smith

$1,830Air Canada

Tue, 24 Nov - Tue, 15 Dec

19:55 - 14:37ADL Adelaide-SEA Seattle/Tacoma Intl

37h 12m2 stops Sydney Kingsford Smith Vancouver Intl

15:15 - 10:55SEA Seattle/Tacoma Intl-ADL Adelaide

25h 10m2 stops Vancouver Intl Sydney Kingsford Smith

$1,838Air Canada

Tue, 24 Nov - Tue, 15 Dec

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

37h 12m

2 stops

SEA14:37Seattle/Tacoma Intl

15 Dec

SEA15:15Seattle/Tacoma Intl

32h 25m

2 stops

ADL18:10Adelaide

$1,826

Air Canada

24 Nov

ADL19:55Adelaide

37h 12m

2 stops

SEA14:37Seattle/Tacoma Intl

15 Dec

SEA15:15Seattle/Tacoma Intl

25h 10m

2 stops

ADL10:55Adelaide

$1,830

Air Canada

24 Nov

ADL19:55Adelaide

37h 12m

2 stops

SEA14:37Seattle/Tacoma Intl

15 Dec

SEA15:15Seattle/Tacoma Intl

25h 10m

2 stops

ADL10:55Adelaide

$1,838

Singapore Airlines flights from Adelaide to State of Washington

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

Singapore Airlines

22 Nov

ADL10:05Adelaide

63h 30m

1 stop

SEA07:05Seattle/Tacoma Intl

29 Nov

SEA08:40Seattle/Tacoma Intl

53h 40m

1 stop

ADL08:50Adelaide

$2,622

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

$3,648

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

$3,660

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Thu 3/12

13:15-20:02

2 stops25h 17m

Seattle/Tacoma Intl

Thu 10/12

13:36-12:15

2 stops28h 09m

$1,485

Fastest return journey

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Thu 19/11

13:15-18:33

2 stops23h 48m

Seattle/Tacoma Intl

Thu 26/11

13:52-12:15

2 stops27h 53m

$1,535

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Mon 23/11

06:10-14:39

2 stops26h 59m

Seattle/Tacoma Intl

Mon 30/11

16:39-14:10

2 stops27h 01m

$1,689

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Thu 3/12

06:10-16:12

2 stops28h 32m

Seattle/Tacoma Intl

Thu 10/12

17:35-16:10

2 stops28h 05m

$1,740

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Thu 3/12

07:15-21:21

3 stops32h 36m

Seattle/Tacoma Intl

Thu 10/12

17:35-14:10

2 stops26h 05m

$1,749

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Sun 22/11

08:40-20:47

2 stops30h 37m

Seattle/Tacoma Intl

Sun 29/11

19:35-14:10

2 stops24h 05m

$1,766

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Sun 22/11

07:15-21:50

2 stops33h 05m

Seattle/Tacoma Intl

Sun 29/11

16:39-16:10

3 stops29h 01m

$1,797

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

19:55-14:37

2 stops37h 12m

Seattle/Tacoma Intl

Tue 15/12

15:15-18:10

2 stops32h 25m

$1,826

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

19:55-14:37

2 stops37h 12m

Seattle/Tacoma Intl

Tue 15/12

15:15-10:55

2 stops25h 10m

$1,830

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

19:55-14:37

2 stops37h 12m

Seattle/Tacoma Intl

Tue 15/12

15:15-10:55

2 stops25h 10m

$1,838

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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?

United Airlines 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	$1,092
Fastest flight time	21h 56m
Direct flights	None

The best one-way flight to State of Washington from Adelaide in the past 72 hours is $1,092. The best return flight deal from Adelaide to State of Washington found on momondo in the last 72 hours is $1,485.

The fastest flight from Adelaide to State of Washington takes 21h 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 October 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 $1,258	Free cancellation	Rating 7.3 10,404 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.