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 5 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 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 January 2026, there are 5 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.

$793 Cheap Flights from Adelaide to Washington in 2026

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One-way

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10:10 - 21:16

ADL

SEA

28h 36m

2 stops

11:45 - 09:35

SEA

ADL

28h 20m

2 stops

$1,457Multiple Airlines

Mon, 16 Mar - Mon, 23 Mar

14:15 - 18:39

ADL

SEA

21h 54m

1 stop

05:00 - 09:20

SEA

ADL

34h 50m

1 stop

$1,461United Airlines

Mon, 16 Mar - Mon, 23 Mar

12:35 - 18:57

ADL

SEA

23h 52m

2 stops

18:59 - 12:15

SEA

ADL

23h 46m

2 stops

$1,478Qantas Airways

Mon, 16 Mar - Mon, 23 Mar

14:15 - 20:58

ADL

SEA

24h 13m

1 stop

12:36 - 09:20

SEA

ADL

27h 14m

1 stop

$1,481SWISS

Mon, 16 Mar - Mon, 23 Mar

13:25 - 22:49

ADL

SEA

25h 54m

2 stops

17:26 - 09:25

SEA

ADL

23h 29m

2 stops

$1,491Multiple Airlines

Mon, 18 May - Tue, 26 May

13:25 - 18:07

ADL

SEA

45h 12m

2 stops

07:00 - 09:25

SEA

ADL

33h 55m

2 stops

$1,494American Airlines

Sun, 17 May - Wed, 27 May

20:55 - 23:42

ADL

PDX

44h 17m

2 stops

17:38 - 18:15

PDX

ADL

31h 07m

2 stops

$1,657Qantas Airways

Sun, 15 Mar - Sun, 22 Mar

14:15 - 14:59

ADL

PDX

18h 14m

1 stop

13:39 - 09:20

PDX

ADL

26h 11m

1 stop

$1,763Virgin Australia

Mon, 16 Mar - Mon, 23 Mar

07:15 - 12:33

ADL

PDX

22h 48m

2 stops

13:39 - 09:20

PDX

ADL

26h 11m

1 stop

$1,774Virgin Australia

Mon, 16 Mar - Mon, 23 Mar

18:30 - 23:04

ADL

PDX

46h 04m

3 stops

15:15 - 11:50

PDX

ADL

27h 05m

3 stops

$2,200Air New Zealand

Mon, 16 Mar - Mon, 23 Mar

United Airlines flights from Adelaide to State of Washington

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

United Airlines

9 Feb

ADL14:55Adelaide

18h 21m

1 stop

PDX14:46Portland

16 Feb

PDX07:30Portland

31h 30m

1 stop

ADL09:30Adelaide

$1,447

United Airlines

16 Mar

ADL14:15Adelaide

21h 54m

1 stop

SEA18:39Seattle/Tacoma Intl

23 Mar

SEA05:00Seattle/Tacoma Intl

34h 50m

1 stop

ADL09:20Adelaide

$1,461

United Airlines

9 Feb

ADL07:15Adelaide

26h 01m

2 stops

PDX14:46Portland

16 Feb

PDX19:57Portland

23h 43m

2 stops

ADL14:10Adelaide

$1,787

Qantas Airways flights from Adelaide to State of Washington

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

Qantas Airways

16 Mar

ADL12:35Adelaide

23h 52m

2 stops

SEA18:57Seattle/Tacoma Intl

23 Mar

SEA18:59Seattle/Tacoma Intl

23h 46m

2 stops

ADL12:15Adelaide

$1,478

Qantas Airways

15 Mar

ADL20:55Adelaide

44h 17m

2 stops

PDX23:42Portland

22 Mar

PDX17:38Portland

31h 07m

2 stops

ADL18:15Adelaide

$1,657

Qantas Airways

16 Mar

ADL13:40Adelaide

27h 32m

2 stops

PDX23:42Portland

23 Mar

PDX17:38Portland

31h 07m

2 stops

ADL18:15Adelaide

$1,664

Fly from

Fly to

Route

Depart

Return

Price

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 16/3

10:10-21:16

2 stops28h 36m

Seattle/Tacoma Intl

Mon 23/3

11:45-09:35

2 stops28h 20m

$1,457

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 16/3

14:15-18:39

1 stop21h 54m

Seattle/Tacoma Intl

Mon 23/3

05:00-09:20

1 stop34h 50m

$1,461

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 16/3

12:35-18:57

2 stops23h 52m

Seattle/Tacoma Intl

Mon 23/3

18:59-12:15

2 stops23h 46m

$1,478

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 16/3

14:15-20:58

1 stop24h 13m

Seattle/Tacoma Intl

Mon 23/3

12:36-09:20

1 stop27h 14m

$1,481

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 18/5

13:25-22:49

2 stops25h 54m

Seattle/Tacoma Intl

Tue 26/5

17:26-09:25

2 stops23h 29m

$1,491

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 17/5

13:25-18:07

2 stops45h 12m

Seattle/Tacoma Intl

Wed 27/5

07:00-09:25

2 stops33h 55m

$1,494

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 15/3

20:55-23:42

2 stops44h 17m

Portland

Sun 22/3

17:38-18:15

2 stops31h 07m

$1,657

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 16/3

14:15-14:59

1 stop18h 14m

Portland

Mon 23/3

13:39-09:20

1 stop26h 11m

$1,763

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 16/3

07:15-12:33

2 stops22h 48m

Portland

Mon 23/3

13:39-09:20

1 stop26h 11m

$1,774

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 16/3

18:30-23:04

3 stops46h 04m

Portland

Mon 23/3

15:15-11:50

3 stops27h 05m

$2,200

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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	18h 28m
Direct flights	None

The fastest flight from Adelaide to State of Washington takes 18h 28m

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 5 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 $876	Free cancellation	Rating 8.0 577 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,281	Free cancellation	Rating 7.5 982 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $1,329	Free cancellation	Rating 8.2 1,443 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $1,377	Free cancellation	Rating 7.1 10,668 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,617	Free cancellation	Rating 7.6 432 reviews	Search Virgin Australia flights
United Airlines	PriceFrom $1,629	Free cancellation	Rating 7.4 9,219 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 $793

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 15/3. 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

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United Airlines flights from Adelaide to State of Washington

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

Qantas Airways flights from Adelaide to State of Washington

Our best Qantas Airways 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.

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?

Qantas Airways 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