Which airlines fly to State of Washington?

Virgin Australia, Qantas Airways and Air Canada 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 30% 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?

United Airlines and Singapore Airlines are the most popular carriers 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 May 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.

$1,085 Cheap Flights from Adelaide to Washington in 2026

1 adult

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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.

06:05 - 14:30

ADL

SEA

24h 55m

2 stops

08:35 - 10:05

SEA

ADL

33h 00m

2 stops

$1,809United Airlines

Tue, 21 Jul - Wed, 5 Aug

17:10 - 21:02

ADL

SEA

44h 22m

2 stops

18:10 - 13:40

SEA

ADL

27h 00m

2 stops

$1,810Qantas Airways

Tue, 21 Jul - Wed, 5 Aug

06:05 - 12:34

ADL

SEA

22h 59m

2 stops

08:35 - 10:05

SEA

ADL

33h 00m

2 stops

$1,813United Airlines

Tue, 21 Jul - Wed, 5 Aug

12:40 - 23:59

ADL

SEA

27h 49m

2 stops

08:00 - 22:35

SEA

ADL

22h 05m

2 stops

$2,257Multiple Airlines

Fri, 17 Jul - Thu, 30 Jul

12:40 - 23:59

ADL

SEA

27h 49m

2 stops

08:00 - 22:35

SEA

ADL

22h 05m

2 stops

$2,260Multiple Airlines

Fri, 17 Jul - Thu, 30 Jul

15:00 - 23:59

ADL

SEA

25h 29m

2 stops

08:00 - 22:35

SEA

ADL

22h 05m

2 stops

$2,269Multiple Airlines

Fri, 17 Jul - Thu, 30 Jul

14:25 - 23:59

ADL

SEA

26h 04m

2 stops

08:00 - 11:05

SEA

ADL

34h 35m

2 stops

$2,274Multiple Airlines

Fri, 17 Jul - Thu, 30 Jul

11:50 - 20:46

ADL

PDX

25h 26m

2 stops

08:20 - 08:05

PDX

ADL

31h 15m

2 stops

$2,275Multiple Airlines

Thu, 20 Aug - Mon, 24 Aug

13:25 - 22:39

ADL

PDX

25h 44m

2 stops

06:27 - 09:25

PDX

ADL

34h 28m

2 stops

$3,025American Airlines

Thu, 20 Aug - Mon, 24 Aug

14:20 - 16:47

ADL

PDX

42h 57m

3 stops

07:00 - 13:40

PDX

ADL

38h 10m

3 stops

$3,947Cathay Pacific

Tue, 16 Jun - Tue, 23 Jun

Singapore Airlines flights from Adelaide to State of Washington

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

Singapore Airlines

17 July

ADL17:35Adelaide

31h 40m

1 stop

SEA08:45Seattle/Tacoma Intl

30 July

SEA10:15Seattle/Tacoma Intl

28h 40m

1 stop

ADL07:25Adelaide

$2,585

Singapore Airlines

17 July

ADL17:35Adelaide

31h 40m

1 stop

SEA08:45Seattle/Tacoma Intl

30 July

SEA10:15Seattle/Tacoma Intl

37h 35m

1 stop

ADL16:20Adelaide

$2,591

Singapore Airlines

17 July

ADL17:35Adelaide

31h 40m

1 stop

SEA08:45Seattle/Tacoma Intl

30 July

SEA10:15Seattle/Tacoma Intl

28h 40m

1 stop

ADL07:25Adelaide

$2,745

United Airlines flights from Adelaide to State of Washington

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

United Airlines

21 July

ADL06:05Adelaide

24h 55m

2 stops

SEA14:30Seattle/Tacoma Intl

5 Aug

SEA08:35Seattle/Tacoma Intl

33h 00m

2 stops

ADL10:05Adelaide

$1,809

United Airlines

21 July

ADL06:05Adelaide

22h 59m

2 stops

SEA12:34Seattle/Tacoma Intl

5 Aug

SEA08:35Seattle/Tacoma Intl

33h 00m

2 stops

ADL10:05Adelaide

$1,813

United Airlines

15 July

ADL06:05Adelaide

31h 35m

3 stops

SEA21:10Seattle/Tacoma Intl

29 July

SEA17:04Seattle/Tacoma Intl

25h 31m

2 stops

ADL11:05Adelaide

$2,634

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-14:30

2 stops24h 55m

Seattle/Tacoma Intl

Wed 5/8

08:35-10:05

2 stops33h 00m

$1,809

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

17:10-21:02

2 stops44h 22m

Seattle/Tacoma Intl

Wed 5/8

18:10-13:40

2 stops27h 00m

$1,810

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-12:34

2 stops22h 59m

Seattle/Tacoma Intl

Wed 5/8

08:35-10:05

2 stops33h 00m

$1,813

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

12:40-23:59

2 stops27h 49m

Seattle/Tacoma Intl

Thu 30/7

08:00-22:35

2 stops22h 05m

$2,257

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

12:40-23:59

2 stops27h 49m

Seattle/Tacoma Intl

Thu 30/7

08:00-22:35

2 stops22h 05m

$2,260

Fastest return journey

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

15:00-23:59

2 stops25h 29m

Seattle/Tacoma Intl

Thu 30/7

08:00-22:35

2 stops22h 05m

$2,269

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

14:25-23:59

2 stops26h 04m

Seattle/Tacoma Intl

Thu 30/7

08:00-11:05

2 stops34h 35m

$2,274

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 20/8

11:50-20:46

2 stops25h 26m

Portland

Mon 24/8

08:20-08:05

2 stops31h 15m

$2,275

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 20/8

13:25-22:39

2 stops25h 44m

Portland

Mon 24/8

06:27-09:25

2 stops34h 28m

$3,025

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 16/6

14:20-16:47

3 stops42h 57m

Portland

Tue 23/6

07:00-13:40

3 stops38h 10m

$3,947

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

Prices

Airlines

What is the cheapest month to fly to State of Washington?

The month of October is, on average, the cheapest month to fly to State of Washington from Adelaide, with most prices found around $0. If you aren’t able to travel during the month of October, then book flights to State of Washington from Adelaide during August instead. Flights to State of Washington in August, while not as cheap as those in October, still average around $853.

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	21h 20m
Direct flights	None

The fastest flight from Adelaide to State of Washington takes 21h 20m

There are no direct flights from Adelaide to State of Washington. There are no popular flight routes from Adelaide to State of Washington.

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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 May 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 $1,159	Free cancellation	Rating 7.1 11,000 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,160	Free cancellation	Rating 7.5 1,033 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,465	Free cancellation	Rating 7.4 9,684 reviews	Search United Airlines flights
Virgin Australia	PriceFrom $1,574	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.