Which airlines fly to State of Washington?

Virgin Australia, United Airlines and Qantas Airways are the top three most popular airlines that fly to State of Washington from Adelaide according to our data. Virgin Australia is the first choice among our users, with 31% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 4 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Adelaide to Washington?

Singapore Airlines is the most popular carrier operating 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 March 2026, there are 4 operators 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.

$1,125 Cheap Flights from Adelaide to Washington in 2026

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Find the cheapest flights from Adelaide to Washington

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

18:55 - 18:30

ADL

SEA

40h 05m

2 stops

14:55 - 11:50

SEA

ADL

28h 25m

2 stops

$1,460Air Canada

Tue, 12 May - Tue, 19 May

17:15 - 09:30

ADL

PDX

32h 45m

2 stops

19:45 - 13:55

PDX

ADL

25h 40m

2 stops

$1,508Multiple Airlines

Tue, 12 May - Tue, 19 May

18:30 - 09:30

ADL

PDX

31h 30m

3 stops

19:45 - 13:55

PDX

ADL

25h 40m

2 stops

$1,584Multiple Airlines

Tue, 12 May - Tue, 19 May

19:00 - 09:30

ADL

PDX

31h 00m

2 stops

15:30 - 11:10

PDX

ADL

27h 10m

2 stops

$1,844Air Canada

Sun, 10 May - Sun, 17 May

06:25 - 16:39

ADL

SEA

26h 44m

2 stops

12:00 - 08:00

SEA

ADL

27h 30m

2 stops

$1,871Multiple Airlines

Tue, 21 Jul - Wed, 5 Aug

12:05 - 19:03

ADL

SEA

23h 28m

2 stops

08:38 - 10:55

SEA

ADL

33h 47m

2 stops

$1,898Air New Zealand

Wed, 29 Jul - Wed, 12 Aug

06:05 - 21:10

ADL

SEA

31h 35m

3 stops

16:30 - 10:05

SEA

ADL

25h 05m

2 stops

$2,019United Airlines

Wed, 29 Jul - Wed, 12 Aug

06:05 - 14:30

ADL

SEA

24h 55m

2 stops

08:30 - 10:05

SEA

ADL

33h 05m

2 stops

$2,032United Airlines

Tue, 21 Jul - Wed, 5 Aug

09:10 - 08:45

ADL

SEA

40h 05m

1 stop

10:15 - 07:25

SEA

ADL

28h 40m

1 stop

$2,199Singapore Airlines

Wed, 2 Sep - Sun, 6 Sep

09:10 - 08:45

ADL

SEA

40h 05m

1 stop

10:15 - 07:25

SEA

ADL

28h 40m

1 stop

$2,307Singapore Airlines

Wed, 2 Sep - Sun, 6 Sep

United Airlines flights from Adelaide to State of Washington

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

United Airlines

29 July

ADL06:05Adelaide

31h 35m

3 stops

SEA21:10Seattle/Tacoma Intl

12 Aug

SEA16:30Seattle/Tacoma Intl

25h 05m

2 stops

ADL10:05Adelaide

$2,019

United Airlines

21 July

ADL06:05Adelaide

24h 55m

2 stops

SEA14:30Seattle/Tacoma Intl

5 Aug

SEA08:30Seattle/Tacoma Intl

33h 05m

2 stops

ADL10:05Adelaide

$2,032

United Airlines

21 July

ADL06:05Adelaide

22h 59m

2 stops

SEA12:34Seattle/Tacoma Intl

5 Aug

SEA15:33Seattle/Tacoma Intl

27h 02m

2 stops

ADL11:05Adelaide

$2,046

Singapore Airlines flights from Adelaide to State of Washington

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

Singapore Airlines

2 Sept

ADL09:10Adelaide

40h 05m

1 stop

SEA08:45Seattle/Tacoma Intl

6 Sept

SEA10:15Seattle/Tacoma Intl

28h 40m

1 stop

ADL07:25Adelaide

$2,199

Singapore Airlines

2 Sept

ADL09:10Adelaide

40h 05m

1 stop

SEA08:45Seattle/Tacoma Intl

6 Sept

SEA10:15Seattle/Tacoma Intl

28h 40m

1 stop

ADL07:25Adelaide

$2,307

Singapore Airlines

2 Sept

ADL09:10Adelaide

40h 05m

1 stop

SEA08:45Seattle/Tacoma Intl

6 Sept

SEA10:15Seattle/Tacoma Intl

28h 40m

1 stop

ADL07:25Adelaide

$2,318

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 12/5

18:55-18:30

2 stops40h 05m

Seattle/Tacoma Intl

Tue 19/5

14:55-11:50

2 stops28h 25m

$1,460

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 12/5

17:15-09:30

2 stops32h 45m

Portland

Tue 19/5

19:45-13:55

2 stops25h 40m

$1,508

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 12/5

18:30-09:30

3 stops31h 30m

Portland

Tue 19/5

19:45-13:55

2 stops25h 40m

$1,584

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 10/5

19:00-09:30

2 stops31h 00m

Portland

Sun 17/5

15:30-11:10

2 stops27h 10m

$1,844

Fastest return journey

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:25-16:39

2 stops26h 44m

Seattle/Tacoma Intl

Wed 5/8

12:00-08:00

2 stops27h 30m

$1,871

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 29/7

12:05-19:03

2 stops23h 28m

Seattle/Tacoma Intl

Wed 12/8

08:38-10:55

2 stops33h 47m

$1,898

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 29/7

06:05-21:10

3 stops31h 35m

Seattle/Tacoma Intl

Wed 12/8

16:30-10:05

2 stops25h 05m

$2,019

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-14:30

2 stops24h 55m

Seattle/Tacoma Intl

Wed 5/8

08:30-10:05

2 stops33h 05m

$2,032

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 2/9

09:10-08:45

1 stop40h 05m

Seattle/Tacoma Intl

Sun 6/9

10:15-07:25

1 stop28h 40m

$2,199

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 2/9

09:10-08:45

1 stop40h 05m

Seattle/Tacoma Intl

Sun 6/9

10:15-07:25

1 stop28h 40m

$2,307

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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

Prices

Airlines

Can stopping save me money on Adelaide to State of Washington flights?

You could potentially save up to 23% on your flight if you consider stops on a Adelaide to State of Washington flight.

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

Fastest flight time	26h 44m
Direct flights	None

The fastest flight from Adelaide to State of Washington takes 26h 44m

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

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 March 2026, there are 4 operators 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
Air Canada	PriceFrom $1,215	Free cancellation	Rating 7.1 10,866 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,216	Free cancellation	Rating 7.5 1,016 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,536	Free cancellation	Rating 7.4 9,525 reviews	Search United Airlines flights
Virgin Australia	PriceFrom $1,650	Free cancellation	Rating 7.6 451 reviews	Search Virgin Australia 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.