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.

$1,024 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.

06:25 - 09:27ADL Adelaide-SEA Seattle/Tacoma Intl

21h 32m2 stops Sydney Kingsford Smith Vancouver Intl

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

26h 50m2 stops Vancouver Intl Sydney Kingsford Smith

$1,746Multiple Airlines

Tue, 24 Nov - Tue, 15 Dec

06:25 - 09:27ADL Adelaide-SEA Seattle/Tacoma Intl

21h 32m2 stops Sydney Kingsford Smith Vancouver Intl

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

28h 10m2 stops Vancouver Intl Sydney Kingsford Smith

$1,750Multiple Airlines

Tue, 24 Nov - Tue, 15 Dec

06:10 - 09:27ADL Adelaide-SEA Seattle/Tacoma Intl

21h 47m2 stops Brisbane Vancouver Intl

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

37h 30m2 stops Vancouver Intl Sydney Kingsford Smith

$1,828Multiple Airlines

Wed, 11 Nov - Sat, 14 Nov

17:05 - 09:32ADL Adelaide-SEA Seattle/Tacoma Intl

34h 57m3 stops Sydney Kingsford Smith Brisbane Vancouver Intl

19:05 - 18:10SEA Seattle/Tacoma Intl-ADL Adelaide

28h 35m2 stops Vancouver Intl Sydney Kingsford Smith

$1,867Multiple Airlines

Wed, 11 Nov - Sat, 14 Nov

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

32h 02m2 stops Sydney Kingsford Smith Vancouver Intl

08:40 - 13:55SEA Seattle/Tacoma Intl-ADL Adelaide

34h 45m2 stops Vancouver Intl Sydney Kingsford Smith

$1,910Air 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 - 13:55SEA Seattle/Tacoma Intl-ADL Adelaide

34h 45m2 stops Vancouver Intl Sydney Kingsford Smith

$2,270Air Canada

Tue, 24 Nov - Tue, 15 Dec

12:00 - 08:45ADL Adelaide-SEA Seattle/Tacoma Intl

39h 15m1 stop Hong Kong Intl

10:25 - 17:45SEA Seattle/Tacoma Intl-ADL Adelaide

36h 50m2 stops Hong Kong Intl Melbourne

$2,425Cathay Pacific

Wed, 11 Nov - Sat, 14 Nov

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

23h 33m2 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

$2,655Multiple Airlines

Tue, 24 Nov - Tue, 15 Dec

14:55 - 19:00ADL Adelaide-SEA Seattle/Tacoma Intl

22h 35m1 stop San Francisco

10:21 - 09:30SEA Seattle/Tacoma Intl-ADL Adelaide

28h 39m1 stop San Francisco

$3,404United Airlines

Wed, 6 Jan - Thu, 7 Jan

14:55 - 21:17ADL Adelaide-SEA Seattle/Tacoma Intl

24h 52m2 stops San Francisco Denver Intl

14:10 - 09:30SEA Seattle/Tacoma Intl-ADL Adelaide

72h 50m2 stops Chicago O'Hare Intl San Francisco

$3,404United Airlines

Wed, 6 Jan - Thu, 7 Jan

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Cathay Pacific flights from Adelaide to State of Washington

Our best Cathay Pacific deals on Adelaide to State of Washington flight tickets

Cathay Pacific

11 Nov

ADL12:00Adelaide

39h 15m

1 stop

SEA08:45Seattle/Tacoma Intl

14 Nov

SEA10:25Seattle/Tacoma Intl

36h 50m

2 stops

ADL17:45Adelaide

$2,425

Cathay Pacific

11 Dec

ADL12:00Adelaide

39h 15m

1 stop

SEA08:45Seattle/Tacoma Intl

18 Dec

SEA10:03Seattle/Tacoma Intl

29h 57m

2 stops

ADL10:30Adelaide

$4,522

Singapore Airlines flights from Adelaide to State of Washington

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

Singapore Airlines

11 Nov

ADL10:05Adelaide

63h 30m

1 stop

SEA07:05Seattle/Tacoma Intl

14 Nov

SEA08:40Seattle/Tacoma Intl

29h 40m

1 stop

ADL08:50Adelaide

$3,189

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

$3,688

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

$3,698

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

06:25-09:27

2 stops21h 32m

Seattle/Tacoma Intl

Tue 15/12

15:15-12:35

2 stops26h 50m

$1,746

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

06:25-09:27

2 stops21h 32m

Seattle/Tacoma Intl

Tue 15/12

15:15-13:55

2 stops28h 10m

$1,750

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Wed 11/11

06:10-09:27

2 stops21h 47m

Seattle/Tacoma Intl

Sat 14/11

10:10-18:10

2 stops37h 30m

$1,828

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Wed 11/11

17:05-09:32

3 stops34h 57m

Seattle/Tacoma Intl

Sat 14/11

19:05-18:10

2 stops28h 35m

$1,867

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

08:40-13:55

2 stops34h 45m

$1,910

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

08:40-13:55

2 stops34h 45m

$2,270

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Wed 11/11

12:00-08:45

1 stop39h 15m

Seattle/Tacoma Intl

Sat 14/11

10:25-17:45

2 stops36h 50m

$2,425

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

13:36-11:00

3 stops26h 54m

$2,655

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Wed 6/1

14:55-19:00

1 stop22h 35m

Seattle/Tacoma Intl

Thu 7/1

10:21-09:30

1 stop28h 39m

$3,404

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Wed 6/1

14:55-21:17

2 stops24h 52m

Seattle/Tacoma Intl

Thu 7/1

14:10-09:30

2 stops72h 50m

$3,404

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?

Air Canada 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	$1,024
Fastest flight time	21h 47m
Direct flights	None

The best one-way flight to State of Washington from Adelaide in the past 72 hours is $1,024. The best return flight deal from Adelaide to State of Washington found on momondo in the last 72 hours is $1,746.

The fastest flight from Adelaide to State of Washington takes 21h 47m

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 $1,256	Free cancellation	Rating 7.3 10,444 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.