How do I get Price Alerts for flights from Adelaide to State of Washington?

Confirm your travel details to search for the latest offers for flights from Adelaide to State of Washington . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Adelaide to State of Washington with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

$2,565 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

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Cheap return flights

Enter your travel dates to find the best prices.

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

$2,565Air 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

$2,578Air Canada

Tue, 24 Nov - Tue, 15 Dec

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

26h 17m2 stops Melbourne San Francisco

17:28 - 13:00SEA Seattle/Tacoma Intl-ADL Adelaide

25h 02m2 stops Los Angeles Melbourne

$2,760United Airlines

Tue, 24 Nov - Tue, 15 Dec

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

30h 37m2 stops Melbourne San Francisco

12:25 - 13:00SEA Seattle/Tacoma Intl-ADL Adelaide

30h 05m2 stops Los Angeles Melbourne

$2,764United 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

$2,799Multiple 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

$2,804Multiple Airlines

Tue, 24 Nov - Tue, 15 Dec

06:00 - 18:22ADL Adelaide-SEA Seattle/Tacoma Intl

30h 52m2 stops Sydney Kingsford Smith Vancouver Intl

19:05 - 18:55SEA Seattle/Tacoma Intl-ADL Adelaide

29h 20m2 stops Vancouver Intl Auckland Intl

$2,847Multiple Airlines

Wed, 23 Dec - Wed, 30 Dec

11:30 - 07:10ADL Adelaide-SEA Seattle/Tacoma Intl

38h 10m2 stops Guangzhou Baiyun Vancouver Intl

17:46 - 09:55SEA Seattle/Tacoma Intl-ADL Adelaide

45h 39m3 stops San Francisco Wuhan Guangzhou Baiyun

$2,881Multiple Airlines

Sat, 26 Dec - Mon, 11 Jan

22:00 - 19:03ADL Adelaide-SEA Seattle/Tacoma Intl

39h 33m2 stops Doha Hamad Intl Los Angeles

15:50 - 17:05SEA Seattle/Tacoma Intl-ADL Adelaide

30h 45m1 stop Doha Hamad Intl

$2,993Qatar Airways

Sat, 26 Dec - Mon, 11 Jan

14:50 - 08:05ADL Adelaide-SEA Seattle/Tacoma Intl

35h 45m2 stops Melbourne Haikou Meilan Intl

10:25 - 10:30SEA Seattle/Tacoma Intl-ADL Adelaide

29h 35m1 stop Hong Kong Intl

$2,999Multiple Airlines

Wed, 23 Dec - Wed, 30 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

SEA08:40Seattle/Tacoma Intl

34h 45m

2 stops

ADL13:55Adelaide

$2,565

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

$2,578

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

$3,565

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

$3,571

Singapore Airlines

24 Nov

ADL14:30Adelaide

35h 05m

2 stops

SEA07:05Seattle/Tacoma Intl

15 Dec

SEA08:40Seattle/Tacoma Intl

29h 40m

1 stop

ADL08:50Adelaide

$3,628

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

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

$2,565

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

$2,578

Fastest return journey

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

17:28-13:00

2 stops25h 02m

$2,760

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

08:40-20:47

2 stops30h 37m

Seattle/Tacoma Intl

Tue 15/12

12:25-13:00

2 stops30h 05m

$2,764

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

$2,799

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

$2,804

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Wed 23/12

06:00-18:22

2 stops30h 52m

Seattle/Tacoma Intl

Wed 30/12

19:05-18:55

2 stops29h 20m

$2,847

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Sat 26/12

11:30-07:10

2 stops38h 10m

Seattle/Tacoma Intl

Mon 11/1

17:46-09:55

3 stops45h 39m

$2,881

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Sat 26/12

22:00-19:03

2 stops39h 33m

Seattle/Tacoma Intl

Mon 11/1

15:50-17:05

1 stop30h 45m

$2,993

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Wed 23/12

14:50-08:05

2 stops35h 45m

Seattle/Tacoma Intl

Wed 30/12

10:25-10:30

1 stop29h 35m

$2,999

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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	$2,565
Fastest flight time	24h 42m
Direct flights	None

The best flight deal from Adelaide to State of Washington found on momondo in the last 72 hours is $2,565

The fastest flight from Adelaide to State of Washington takes 24h 42m

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 $1,285	Free cancellation	Rating 7.3 10,469 reviews		Search United Airlines flights

Frequently asked questions about flying from Adelaide to Washington

How do I get Price Alerts for flights from Adelaide to State of Washington?
Confirm your travel details to search for the latest offers for flights from Adelaide to State of Washington. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Adelaide to State of Washington with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.