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

Virgin Australia and Singapore Airlines are the most popular carriers operating from Adelaide to Washington

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 33% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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 January 2026, there are 6 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.

$713 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.

17:10 - 23:05

ADL

SEA

22h 25m

2 stops

17:40 - 11:55

SEA

ADL

25h 45m

2 stops

$1,478Qantas Airways

Tue, 2 Jun - Tue, 16 Jun

12:40 - 13:45

ADL

SEA

41h 35m

2 stops

17:35 - 09:25

SEA

ADL

47h 20m

2 stops

$1,487American Airlines

Sun, 31 May - Tue, 16 Jun

12:40 - 13:45

ADL

SEA

41h 35m

2 stops

08:00 - 09:25

SEA

ADL

32h 55m

2 stops

$1,497American Airlines

Wed, 3 Jun - Sun, 14 Jun

12:40 - 13:45

ADL

SEA

41h 35m

2 stops

07:40 - 11:05

SEA

ADL

34h 55m

2 stops

$1,506American Airlines

Sun, 31 May - Mon, 15 Jun

12:40 - 13:45

ADL

SEA

41h 35m

2 stops

17:35 - 11:55

SEA

ADL

49h 50m

2 stops

$1,517American Airlines

Wed, 3 Jun - Sat, 13 Jun

14:55 - 23:14

ADL

PDX

26h 49m

2 stops

23:59 - 09:30

PDX

ADL

39h 01m

2 stops

$1,524United Airlines

Wed, 18 Feb - Wed, 25 Feb

12:40 - 13:45

ADL

SEA

41h 35m

2 stops

17:35 - 09:25

SEA

ADL

47h 20m

2 stops

$1,561American Airlines

Sat, 30 May - Tue, 16 Jun

14:55 - 00:34

ADL

PDX

28h 09m

1 stop

13:40 - 13:00

PDX

ADL

28h 50m

2 stops

$1,771Virgin Australia

Wed, 18 Feb - Wed, 25 Feb

06:10 - 12:28

ADL

PDX

24h 48m

2 stops

13:39 - 08:30

PDX

ADL

25h 21m

1 stop

$1,833United Airlines

Thu, 5 Mar - Thu, 12 Mar

19:55 - 18:55

ADL

PDX

41h 30m

3 stops

19:05 - 22:30

PDX

ADL

32h 55m

2 stops

$2,099Air Canada

Wed, 18 Feb - Wed, 25 Feb

Qantas Airways flights from Adelaide to State of Washington

Our best Qantas Airways deals on Adelaide to State of Washington flight tickets

Qantas Airways

2 June

ADL17:10Adelaide

22h 25m

2 stops

SEA23:05Seattle/Tacoma Intl

16 June

SEA17:40Seattle/Tacoma Intl

25h 45m

2 stops

ADL11:55Adelaide

$1,478

Qantas Airways

5 Mar

ADL16:10Adelaide

26h 02m

2 stops

PDX23:42Portland

12 Mar

PDX17:39Portland

26h 31m

2 stops

ADL13:40Adelaide

$1,524

Qantas Airways

5 June

ADL11:05Adelaide

28h 20m

2 stops

SEA22:55Seattle/Tacoma Intl

16 June

SEA17:40Seattle/Tacoma Intl

26h 25m

2 stops

ADL12:35Adelaide

$1,735

American Airlines flights from Adelaide to State of Washington

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

American Airlines

31 May

ADL12:40Adelaide

41h 35m

2 stops

SEA13:45Seattle/Tacoma Intl

16 June

SEA17:35Seattle/Tacoma Intl

47h 20m

2 stops

ADL09:25Adelaide

$1,487

American Airlines

3 June

ADL12:40Adelaide

41h 35m

2 stops

SEA13:45Seattle/Tacoma Intl

14 June

SEA08:00Seattle/Tacoma Intl

32h 55m

2 stops

ADL09:25Adelaide

$1,497

American Airlines

31 May

ADL12:40Adelaide

41h 35m

2 stops

SEA13:45Seattle/Tacoma Intl

15 June

SEA07:40Seattle/Tacoma Intl

34h 55m

2 stops

ADL11:05Adelaide

$1,506

Fly from

Fly to

Route

Depart

Return

Price

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 2/6

17:10-23:05

2 stops22h 25m

Seattle/Tacoma Intl

Tue 16/6

17:40-11:55

2 stops25h 45m

$1,478

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 31/5

12:40-13:45

2 stops41h 35m

Seattle/Tacoma Intl

Tue 16/6

17:35-09:25

2 stops47h 20m

$1,487

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 3/6

12:40-13:45

2 stops41h 35m

Seattle/Tacoma Intl

Sun 14/6

08:00-09:25

2 stops32h 55m

$1,497

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 31/5

12:40-13:45

2 stops41h 35m

Seattle/Tacoma Intl

Mon 15/6

07:40-11:05

2 stops34h 55m

$1,506

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 3/6

12:40-13:45

2 stops41h 35m

Seattle/Tacoma Intl

Sat 13/6

17:35-11:55

2 stops49h 50m

$1,517

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Wed 18/2

14:55-23:14

2 stops26h 49m

Portland

Wed 25/2

23:59-09:30

2 stops39h 01m

$1,524

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sat 30/5

12:40-13:45

2 stops41h 35m

Seattle/Tacoma Intl

Tue 16/6

17:35-09:25

2 stops47h 20m

$1,561

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Wed 18/2

14:55-00:34

1 stop28h 09m

Portland

Wed 25/2

13:40-13:00

2 stops28h 50m

$1,771

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 5/3

06:10-12:28

2 stops24h 48m

Portland

Thu 12/3

13:39-08:30

1 stop25h 21m

$1,833

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Wed 18/2

19:55-18:55

3 stops41h 30m

Portland

Wed 25/2

19:05-22:30

2 stops32h 55m

$2,099

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 8% 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	23h 09m
Direct flights	None

The fastest flight from Adelaide to State of Washington takes 23h 09m

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 January 2026, there are 6 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 New Zealand	PriceFrom $911	Free cancellation	Rating 8.0 572 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,331	Free cancellation	Rating 7.5 973 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $1,381	Free cancellation	Rating 8.1 1,434 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $1,431	Free cancellation	Rating 7.1 10,644 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,680	Free cancellation	Rating 7.6 430 reviews	Search Virgin Australia flights
United Airlines	PriceFrom $1,692	Free cancellation	Rating 7.4 9,188 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.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Popular Cities in Washington

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Cheap flights from Adelaide to Washington from $713

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Adelaide to Washington departing on 26/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Adelaide to Washington

Cheap return flights

Cheap one-way flights

Qantas Airways flights from Adelaide to State of Washington

Our best Qantas Airways deals on Adelaide to State of Washington flight tickets

American Airlines flights from Adelaide to State of Washington

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

momondo Fare Finder

Use the filters below to find and compare flights from Adelaide to Washington that are best for you.

See travel insights to Washington from

How to get the cheapest flight ticket from Adelaide to State of Washington

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

You could potentially save up to 8% on your flight if you consider stops on a Adelaide to State of Washington flight.

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

Virgin Australia and Singapore Airlines are the most popular carriers operating from Adelaide to Washington

Which airlines fly to State of 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

Fastest flight time

Direct flights

When did momondo last update prices for flights from Adelaide Airport to Washington?

How many operators does momondo search for flights from Adelaide Airport to Washington?

How old do you have to be to fly from Adelaide Airport to Washington?

What documentation or ID do you need to fly to Washington?

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

Why use momondo?

Why should I use momondo to find a flight deal from Adelaide to Washington?

Can I find flights from Adelaide to Washington with flexible booking policies on momondo?

How can momondo help me find flights from Adelaide to Washington?

I’m not ready to book a flight from Adelaide to Washington right now. Can momondo alert me if prices change?

An easier way to manage your State of Washington trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

Popular Cities in Washington

Popular flights according to clicks in the last 7 days on momondo