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 32% 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?

Qatar Airways and Qantas Airways 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 December 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.

$1,721 Cheap Flights from Adelaide to Washington in 2025/26

1 adult

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13:15 - 22:46

ADL

SEA

28h 01m2 stops

20:15 - 12:15

SEA

ADL

45h 30m2 stops

$1,721Multiple Airlines

Mon, 19 Jan - Mon, 26 Jan

13:15 - 09:35

ADL

PDX

38h 50m2 stops

21:30 - 12:15

PDX

ADL

44h 15m2 stops

$1,722Multiple Airlines

Mon, 19 Jan - Mon, 26 Jan

13:15 - 16:49

ADL

PDX

22h 04m2 stops

21:30 - 12:15

PDX

ADL

44h 15m2 stops

$1,835Multiple Airlines

Mon, 12 Jan - Mon, 19 Jan

06:10 - 14:31

ADL

SEA

26h 51m2 stops

20:00 - 22:30

SEA

ADL

32h 00m2 stops

$1,974Air Canada

Thu, 29 Jan - Mon, 2 Feb

07:05 - 17:52

ADL

SEA

29h 17m2 stops

15:57 - 13:40

SEA

ADL

27h 13m2 stops

$2,150Qantas Airways

Thu, 29 Jan - Mon, 2 Feb

14:55 - 14:46

ADL

PDX

18h 21m1 stop

13:35 - 09:30

PDX

ADL

25h 25m1 stop

$2,196United Airlines

Mon, 12 Jan - Mon, 19 Jan

14:55 - 15:44

ADL

SEA

19h 19m1 stop

19:30 - 09:30

SEA

ADL

19h 30m1 stop

$2,211United Airlines

Mon, 19 Jan - Mon, 26 Jan

07:50 - 17:19

ADL

PDX

27h 59m2 stops

10:30 - 15:25

PDX

ADL

34h 25m2 stops

$2,307Qantas Airways

Sat, 14 Feb - Tue, 17 Feb

06:10 - 18:27

ADL

SEA

30h 47m2 stops

12:35 - 09:30

SEA

ADL

26h 25m1 stop

$2,666Virgin Australia

Thu, 29 Jan - Mon, 2 Feb

08:30 - 15:44

ADL

SEA

25h 44m2 stops

12:35 - 09:30

SEA

ADL

26h 25m1 stop

$2,675Virgin Australia

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

29 Jan

ADL07:05Adelaide

29h 17m

2 stops

SEA17:52Seattle/Tacoma Intl

2 Feb

SEA15:57Seattle/Tacoma Intl

27h 13m

2 stops

ADL13:40Adelaide

$2,150

Find similar

Qantas Airways

14 Feb

ADL07:50Adelaide

27h 59m

2 stops

PDX17:19Portland

17 Feb

PDX10:30Portland

34h 25m

2 stops

ADL15:25Adelaide

$2,319

Find similar

Qantas Airways

17 Dec

ADL07:50Adelaide

28h 08m

2 stops

SEA17:28Seattle/Tacoma Intl

20 Jan

SEA17:53Seattle/Tacoma Intl

28h 02m

2 stops

ADL16:25Adelaide

$2,865

Find similar

United Airlines flights from Adelaide to State of Washington

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

United Airlines

19 Jan

ADL14:55Adelaide

19h 19m

1 stop

SEA15:44Seattle/Tacoma Intl

26 Jan

SEA19:30Seattle/Tacoma Intl

19h 30m

1 stop

ADL09:30Adelaide

$2,211

Find similar

United Airlines

19 Jan

ADL14:55Adelaide

24h 47m

1 stop

SEA21:12Seattle/Tacoma Intl

26 Jan

SEA07:00Seattle/Tacoma Intl

32h 00m

2 stops

ADL09:30Adelaide

$2,217

Find similar

United Airlines

14 Feb

ADL14:55Adelaide

18h 29m

1 stop

PDX14:54Portland

17 Feb

PDX23:59Portland

63h 01m

2 stops

ADL09:30Adelaide

$2,506

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 19/1

13:15-22:46

2 stops28h 01m

Seattle/Tacoma Intl

Mon 26/1

20:15-12:15

2 stops45h 30m

$1,721

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 19/1

13:15-09:35

2 stops38h 50m

Portland

Mon 26/1

21:30-12:15

2 stops44h 15m

$1,722

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 12/1

13:15-16:49

2 stops22h 04m

Portland

Mon 19/1

21:30-12:15

2 stops44h 15m

$1,835

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 29/1

06:10-14:31

2 stops26h 51m

Seattle/Tacoma Intl

Mon 2/2

20:00-22:30

2 stops32h 00m

$1,974

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 29/1

07:05-17:52

2 stops29h 17m

Seattle/Tacoma Intl

Mon 2/2

15:57-13:40

2 stops27h 13m

$2,150

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 12/1

14:55-14:46

1 stop18h 21m

Portland

Mon 19/1

13:35-09:30

1 stop25h 25m

$2,196

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 19/1

14:55-15:44

1 stop19h 19m

Seattle/Tacoma Intl

Mon 26/1

19:30-09:30

1 stop19h 30m

$2,211

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sat 14/2

07:50-17:19

2 stops27h 59m

Portland

Tue 17/2

10:30-15:25

2 stops34h 25m

$2,307

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 29/1

06:10-18:27

2 stops30h 47m

Seattle/Tacoma Intl

Mon 2/2

12:35-09:30

1 stop26h 25m

$2,666

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 29/1

08:30-15:44

2 stops25h 44m

Seattle/Tacoma Intl

Mon 2/2

12:35-09:30

1 stop26h 25m

$2,675

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

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 $1,585. 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 $2,302.

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 $1,763. 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 $2,363.

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	22h 18m
Direct flights	None

The fastest flight from Adelaide to State of Washington takes 22h 18m

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 December 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 $924	Free cancellation	Rating 8.0 549 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,351	Free cancellation	Rating 7.5 948 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $1,402	Free cancellation	Rating 8.1 1,411 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $1,453	Free cancellation	Rating 7.1 10,506 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,706	Free cancellation	Rating 7.6 426 reviews	Search Virgin Australia flights
United Airlines	PriceFrom $1,718	Free cancellation	Rating 7.4 9,066 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 $1,721

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 19/1. 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

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Price Alerts

Find the cheapest flights from Adelaide to Washington

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Qantas Airways flights from Adelaide to State of Washington

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

United Airlines flights from Adelaide to State of Washington

Our best United Airlines 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?

Qatar Airways and Qantas Airways 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