Which airlines fly to State of Washington?

Virgin Australia, Qantas Airways and Singapore Airlines 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 34% 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.

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

Qantas Airways 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 November 2025, 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.

$1,667 Cheap Flights from Adelaide to Washington in 2025/26

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16:30 - 14:24ADL-SEA

40h 24m2 stops

17:53 - 15:45SEA-ADL

27h 22m2 stops

$1,667Qantas Airways

Find Deal

Mon, 15 Dec - Tue, 20 Jan

18:30 - 14:24ADL-SEA

38h 24m2 stops

06:00 - 13:40SEA-ADL

37h 10m2 stops

$1,731Qantas Airways

Find Deal

Mon, 15 Dec - Sat, 17 Jan

07:05 - 12:29ADL-SEA

23h 54m2 stops

15:57 - 19:35SEA-ADL

33h 08m2 stops

$1,743Qantas Airways

Find Deal

Thu, 29 Jan - Mon, 2 Feb

12:40 - 20:44ADL-PDX

48h 34m2 stops

07:55 - 09:25PDX-ADL

33h 00m2 stops

$2,078American Airlines

Find Deal

Wed, 20 May - Mon, 15 Jun

06:30 - 22:50ADL-PDX

32h 50m2 stops

07:20 - 22:35PDX-ADL

22h 45m2 stops

$2,096Alaska Airlines

Find Deal

Thu, 21 May - Wed, 10 Jun

06:00 - 09:15ADL-PDX

21h 45m2 stops

19:00 - 16:20PDX-ADL

26h 50m2 stops

$2,113Air Canada

Find Deal

Sat, 14 Feb - Tue, 17 Feb

06:00 - 14:40ADL-PDX

27h 10m2 stops

09:50 - 18:10PDX-ADL

37h 50m2 stops

$2,118Air Canada

Find Deal

Sat, 14 Feb - Tue, 17 Feb

12:40 - 22:30ADL-PDX

50h 20m2 stops

07:55 - 09:25PDX-ADL

33h 00m2 stops

$2,141American Airlines

Find Deal

Thu, 21 May - Sun, 14 Jun

08:30 - 15:44ADL-SEA

25h 44m2 stops

19:30 - 09:30SEA-ADL

19h 30m1 stop

$2,682Virgin Australia

Find Deal

Thu, 29 Jan - Mon, 2 Feb

07:15 - 18:27ADL-SEA

29h 42m2 stops

19:30 - 09:30SEA-ADL

19h 30m1 stop

$2,685Virgin Australia

Find Deal

Thu, 29 Jan - Mon, 2 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

15 Dec

ADL16:30Adelaide

40h 24m

2 stops

SEA14:24Seattle/Tacoma Intl

20 Jan

SEA17:53Seattle/Tacoma Intl

27h 22m

2 stops

ADL15:45Adelaide

$1,667

Find similar

Qantas Airways

15 Dec

ADL18:30Adelaide

38h 24m

2 stops

SEA14:24Seattle/Tacoma Intl

17 Jan

SEA06:00Seattle/Tacoma Intl

37h 10m

2 stops

ADL13:40Adelaide

$1,731

Find similar

Qantas Airways

29 Jan

ADL07:05Adelaide

23h 54m

2 stops

SEA12:29Seattle/Tacoma Intl

2 Feb

SEA15:57Seattle/Tacoma Intl

33h 08m

2 stops

ADL19:35Adelaide

$1,743

Find similar

Virgin Australia flights from Adelaide to State of Washington

Our best Virgin Australia deals on Adelaide to State of Washington flight tickets

Virgin Australia

29 Jan

ADL08:30Adelaide

25h 44m

2 stops

SEA15:44Seattle/Tacoma Intl

2 Feb

SEA19:30Seattle/Tacoma Intl

19h 30m

1 stop

ADL09:30Adelaide

$2,682

Find similar

Virgin Australia

29 Jan

ADL07:15Adelaide

29h 42m

2 stops

SEA18:27Seattle/Tacoma Intl

2 Feb

SEA19:30Seattle/Tacoma Intl

19h 30m

1 stop

ADL09:30Adelaide

$2,685

Find similar

Virgin Australia

6 Jan

ADL06:00Adelaide

31h 26m

2 stops

PDX18:56Portland

13 Jan

PDX15:46Portland

30h 54m

2 stops

ADL17:10Adelaide

$3,206

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

16:30-14:24

2 stops40h 24m

Seattle/Tacoma Intl

Tue 20/1

17:53-15:45

2 stops27h 22m

$1,667

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

18:30-14:24

2 stops38h 24m

Seattle/Tacoma Intl

Sat 17/1

06:00-13:40

2 stops37h 10m

$1,731

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 29/1

07:05-12:29

2 stops23h 54m

Seattle/Tacoma Intl

Mon 2/2

15:57-19:35

2 stops33h 08m

$1,743

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Wed 20/5

12:40-20:44

2 stops48h 34m

Portland

Mon 15/6

07:55-09:25

2 stops33h 00m

$2,078

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 21/5

06:30-22:50

2 stops32h 50m

Portland

Wed 10/6

07:20-22:35

2 stops22h 45m

$2,096

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sat 14/2

06:00-09:15

2 stops21h 45m

Portland

Tue 17/2

19:00-16:20

2 stops26h 50m

$2,113

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sat 14/2

06:00-14:40

2 stops27h 10m

Portland

Tue 17/2

09:50-18:10

2 stops37h 50m

$2,118

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 21/5

12:40-22:30

2 stops50h 20m

Portland

Sun 14/6

07:55-09:25

2 stops33h 00m

$2,141

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 29/1

08:30-15:44

2 stops25h 44m

Seattle/Tacoma Intl

Mon 2/2

19:30-09:30

1 stop19h 30m

$2,682

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 29/1

07:15-18:27

2 stops29h 42m

Seattle/Tacoma Intl

Mon 2/2

19:30-09:30

1 stop19h 30m

$2,685

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

Prices

Airlines

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart on your flight to State of Washington is on a Tuesday when prices can be found for as low as $1,628. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Sunday is $2,364.

What is the cheapest time of day to depart on your flight to State of Washington?

In the afternoon is the cheapest time of day to fly from Adelaide to State of Washington when you can find flight prices for as low as $1,810. Flying to State of Washington in the afternoon is an ideal time because this is during off-peak travel hours. Flights at midday are often more expensive, with an average ticket price of $2,426.

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

Direct flights	None

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 November 2025, 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 $949	Free cancellation	Rating 8.0 534 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,387	Free cancellation	Rating 7.5 943 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $1,439	Free cancellation	Rating 8.1 1,407 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $1,492	Free cancellation	Rating 7.1 10,466 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,762	Free cancellation	Rating 7.6 424 reviews	Search Virgin Australia flights
United Airlines	PriceFrom $1,764	Free cancellation	Rating 7.4 9,036 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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Cheap flights from Adelaide to Washington from $1,667

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Adelaide to Washington departing on 15/12. 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

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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

Virgin Australia flights from Adelaide to State of Washington

Our best Virgin Australia deals on Adelaide to State of Washington flight tickets

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

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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 day to depart on your flight to State of Washington?

What is the cheapest time of day to depart on your flight 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?

Qantas Airways is the most popular carrier 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

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