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.

$926 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.

08:40 - 16:27ADL Adelaide-SEA Seattle/Tacoma Intl

26h 17m2 stops Melbourne San Francisco

15:20 - 10:55SEA Seattle/Tacoma Intl-ADL Adelaide

49h 05m2 stops San Francisco Sydney Kingsford Smith

$1,453United Airlines

Tue, 24 Nov - Tue, 15 Dec

08:40 - 18:33ADL Adelaide-SEA Seattle/Tacoma Intl

28h 23m2 stops Melbourne San Francisco

17:35 - 10:55SEA Seattle/Tacoma Intl-ADL Adelaide

46h 50m2 stops San Francisco Sydney Kingsford Smith

$1,453United Airlines

Tue, 24 Nov - Tue, 15 Dec

06:00 - 16:26ADL Adelaide-SEA Seattle/Tacoma Intl

28h 56m2 stops Sydney Kingsford Smith San Francisco

17:35 - 16:20SEA Seattle/Tacoma Intl-ADL Adelaide

28h 15m2 stops San Francisco Brisbane

$1,503Virgin Australia

Thu, 26 Nov - Thu, 3 Dec

18:30 - 23:42ADL Adelaide-SEA Seattle/Tacoma Intl

23h 42m2 stops Melbourne Los Angeles

13:38 - 08:10SEA Seattle/Tacoma Intl-ADL Adelaide

48h 02m2 stops Los Angeles Sydney Kingsford Smith

$1,695Qantas Airways

Mon, 16 Nov - Fri, 27 Nov

08:40 - 18:33ADL Adelaide-SEA Seattle/Tacoma Intl

28h 23m2 stops Melbourne San Francisco

17:35 - 10:55SEA Seattle/Tacoma Intl-ADL Adelaide

46h 50m2 stops San Francisco Sydney Kingsford Smith

$1,705United Airlines

Tue, 24 Nov - Tue, 15 Dec

08:40 - 16:27ADL Adelaide-SEA Seattle/Tacoma Intl

26h 17m2 stops Melbourne San Francisco

15:20 - 10:55SEA Seattle/Tacoma Intl-ADL Adelaide

49h 05m2 stops San Francisco Sydney Kingsford Smith

$1,708United Airlines

Tue, 24 Nov - Tue, 15 Dec

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

31h 02m2 stops Sydney Kingsford Smith Vancouver Intl

19:05 - 12:35SEA Seattle/Tacoma Intl-ADL Adelaide

24h 00m2 stops Vancouver Intl Brisbane

$1,762Multiple Airlines

Mon, 26 Oct - Thu, 29 Oct

06:10 - 14:37ADL Adelaide-SEA Seattle/Tacoma Intl

26h 57m2 stops Brisbane Vancouver Intl

19:05 - 14:05SEA Seattle/Tacoma Intl-ADL Adelaide

24h 30m2 stops Vancouver Intl Sydney Kingsford Smith

$1,830Multiple Airlines

Tue, 24 Nov - Tue, 15 Dec

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

37h 12m2 stops Sydney Kingsford Smith Vancouver Intl

08:40 - 22:30SEA Seattle/Tacoma Intl-ADL Adelaide

43h 20m2 stops Vancouver Intl Brisbane

$1,847Air Canada

Wed, 2 Dec - Sun, 6 Dec

06:00 - 14:37ADL Adelaide-SEA Seattle/Tacoma Intl

27h 07m2 stops Sydney Kingsford Smith Vancouver Intl

15:15 - 22:30SEA Seattle/Tacoma Intl-ADL Adelaide

36h 45m2 stops Vancouver Intl Brisbane

$1,847Air Canada

Thu, 3 Dec - Sun, 6 Dec

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United Airlines flights from Adelaide to State of Washington

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

United Airlines

24 Nov

ADL08:40Adelaide

26h 17m

2 stops

SEA16:27Seattle/Tacoma Intl

15 Dec

SEA15:20Seattle/Tacoma Intl

49h 05m

2 stops

ADL10:55Adelaide

$1,453

United Airlines

24 Nov

ADL08:40Adelaide

28h 23m

2 stops

SEA18:33Seattle/Tacoma Intl

15 Dec

SEA17:35Seattle/Tacoma Intl

46h 50m

2 stops

ADL10:55Adelaide

$1,705

United Airlines

24 Nov

ADL08:40Adelaide

26h 17m

2 stops

SEA16:27Seattle/Tacoma Intl

15 Dec

SEA15:20Seattle/Tacoma Intl

49h 05m

2 stops

ADL10:55Adelaide

$1,708

Virgin Australia flights from Adelaide to State of Washington

Our best Virgin Australia deals on Adelaide to State of Washington flight tickets

Virgin Australia

26 Nov

ADL06:00Adelaide

28h 56m

2 stops

SEA16:26Seattle/Tacoma Intl

3 Dec

SEA17:35Seattle/Tacoma Intl

28h 15m

2 stops

ADL16:20Adelaide

$1,503

Virgin Australia

28 Nov

ADL06:10Adelaide

33h 07m

2 stops

SEA20:47Seattle/Tacoma Intl

5 Dec

SEA19:30Seattle/Tacoma Intl

32h 30m

2 stops

ADL22:30Adelaide

$2,386

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

08:40-16:27

2 stops26h 17m

Seattle/Tacoma Intl

Tue 15/12

15:20-10:55

2 stops49h 05m

$1,453

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

08:40-18:33

2 stops28h 23m

Seattle/Tacoma Intl

Tue 15/12

17:35-10:55

2 stops46h 50m

$1,453

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Thu 26/11

06:00-16:26

2 stops28h 56m

Seattle/Tacoma Intl

Thu 3/12

17:35-16:20

2 stops28h 15m

$1,503

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Mon 16/11

18:30-23:42

2 stops23h 42m

Seattle/Tacoma Intl

Fri 27/11

13:38-08:10

2 stops48h 02m

$1,695

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

08:40-18:33

2 stops28h 23m

Seattle/Tacoma Intl

Tue 15/12

17:35-10:55

2 stops46h 50m

$1,705

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

08:40-16:27

2 stops26h 17m

Seattle/Tacoma Intl

Tue 15/12

15:20-10:55

2 stops49h 05m

$1,708

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Mon 26/10

19:55-09:27

2 stops31h 02m

Seattle/Tacoma Intl

Thu 29/10

19:05-12:35

2 stops24h 00m

$1,762

Fastest return journey

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

06:10-14:37

2 stops26h 57m

Seattle/Tacoma Intl

Tue 15/12

19:05-14:05

2 stops24h 30m

$1,830

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Wed 2/12

19:55-14:37

2 stops37h 12m

Seattle/Tacoma Intl

Sun 6/12

08:40-22:30

2 stops43h 20m

$1,847

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Thu 3/12

06:00-14:37

2 stops27h 07m

Seattle/Tacoma Intl

Sun 6/12

15:15-22:30

2 stops36h 45m

$1,847

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 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?

Malaysia Airlines, Cathay Pacific, and Singapore Airlines are the most popular carriers 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	$926
Fastest flight time	28h 23m
Direct flights	None

The best one-way flight to State of Washington from Adelaide in the past 72 hours is $926. The best return flight deal from Adelaide to State of Washington found on momondo in the last 72 hours is $1,453.

The fastest flight from Adelaide to State of Washington takes 28h 23m

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 $1,264	Free cancellation	Rating 7.4 10,362 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.