Which airlines fly to State of Washington?

Virgin Australia, Qantas Airways and United 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 30% 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 Qatar 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 February 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.

$961 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.

06:00 - 12:51

ADL

SEA

23h 21m

2 stops

18:58 - 11:55

SEA

ADL

24h 27m

2 stops

$1,467Multiple Airlines

Tue, 21 Jul - Wed, 5 Aug

06:00 - 12:51

ADL

SEA

23h 21m

2 stops

14:32 - 09:25

SEA

ADL

26h 23m

2 stops

$1,482Multiple Airlines

Tue, 21 Jul - Wed, 5 Aug

13:25 - 22:34

ADL

SEA

25h 39m

3 stops

18:58 - 11:55

SEA

ADL

24h 27m

2 stops

$1,485Multiple Airlines

Tue, 21 Jul - Wed, 5 Aug

19:35 - 09:17

ADL

SEA

30h 12m

2 stops

15:00 - 13:55

SEA

ADL

30h 25m

2 stops

$1,535Multiple Airlines

Fri, 17 Jul - Thu, 30 Jul

13:25 - 22:34

ADL

SEA

25h 39m

3 stops

16:23 - 09:25

SEA

ADL

24h 32m

2 stops

$1,540Multiple Airlines

Tue, 21 Jul - Wed, 5 Aug

07:50 - 15:48

ADL

SEA

25h 28m

3 stops

17:59 - 11:55

SEA

ADL

24h 26m

2 stops

$1,552Multiple Airlines

Thu, 26 Mar - Thu, 2 Apr

06:00 - 15:58

ADL

SEA

26h 28m

3 stops

14:32 - 09:25

SEA

ADL

26h 23m

2 stops

$1,596Multiple Airlines

Fri, 17 Jul - Thu, 30 Jul

13:25 - 22:55

ADL

SEA

26h 00m

2 stops

14:32 - 11:55

SEA

ADL

28h 53m

2 stops

$1,638Qantas Airways

Tue, 21 Jul - Wed, 5 Aug

06:00 - 13:09

ADL

PDX

48h 39m

2 stops

07:15 - 12:05

PDX

ADL

35h 20m

2 stops

$1,943United Airlines

Fri, 27 Mar - Fri, 3 Apr

17:10 - 05:28

ADL

PDX

29h 48m

2 stops

21:41 - 23:35

PDX

ADL

32h 24m

3 stops

$2,975Hawaiian Airlines

Fri, 27 Mar - Fri, 3 Apr

Qantas Airways flights from Adelaide to State of Washington

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

Qantas Airways

21 July

ADL13:25Adelaide

26h 00m

2 stops

SEA22:55Seattle/Tacoma Intl

5 Aug

SEA14:32Seattle/Tacoma Intl

28h 53m

2 stops

ADL11:55Adelaide

$1,638

Qantas Airways

27 July

ADL12:40Adelaide

25h 25m

2 stops

SEA21:35Seattle/Tacoma Intl

29 July

SEA18:58Seattle/Tacoma Intl

23h 37m

2 stops

ADL11:05Adelaide

$1,870

Qantas Airways

27 July

ADL13:25Adelaide

24h 40m

2 stops

SEA21:35Seattle/Tacoma Intl

30 July

SEA14:32Seattle/Tacoma Intl

28h 03m

2 stops

ADL11:05Adelaide

$1,909

Singapore Airlines flights from Adelaide to State of Washington

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

Singapore Airlines

26 Mar

ADL18:35Adelaide

31h 05m

1 stop

SEA08:10Seattle/Tacoma Intl

2 Apr

SEA10:15Seattle/Tacoma Intl

37h 35m

1 stop

ADL17:20Adelaide

$1,998

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

$2,053

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

$2,068

Fly from

Fly to

Route

Depart

Return

Price

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:00-12:51

2 stops23h 21m

Seattle/Tacoma Intl

Wed 5/8

18:58-11:55

2 stops24h 27m

$1,467

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:00-12:51

2 stops23h 21m

Seattle/Tacoma Intl

Wed 5/8

14:32-09:25

2 stops26h 23m

$1,482

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

13:25-22:34

3 stops25h 39m

Seattle/Tacoma Intl

Wed 5/8

18:58-11:55

2 stops24h 27m

$1,485

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

19:35-09:17

2 stops30h 12m

Seattle/Tacoma Intl

Thu 30/7

15:00-13:55

2 stops30h 25m

$1,535

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

13:25-22:34

3 stops25h 39m

Seattle/Tacoma Intl

Wed 5/8

16:23-09:25

2 stops24h 32m

$1,540

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 26/3

07:50-15:48

3 stops25h 28m

Seattle/Tacoma Intl

Thu 2/4

17:59-11:55

2 stops24h 26m

$1,552

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

06:00-15:58

3 stops26h 28m

Seattle/Tacoma Intl

Thu 30/7

14:32-09:25

2 stops26h 23m

$1,596

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

13:25-22:55

2 stops26h 00m

Seattle/Tacoma Intl

Wed 5/8

14:32-11:55

2 stops28h 53m

$1,638

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Fri 27/3

06:00-13:09

2 stops48h 39m

Portland

Fri 3/4

07:15-12:05

2 stops35h 20m

$1,943

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Fri 27/3

17:10-05:28

2 stops29h 48m

Portland

Fri 3/4

21:41-23:35

3 stops32h 24m

$2,975

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

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 21m
Direct flights	None

The fastest flight from Adelaide to State of Washington takes 23h 21m

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 February 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 $866	Free cancellation	Rating 8.0 582 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,266	Free cancellation	Rating 7.5 988 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,362	Free cancellation	Rating 7.1 10,707 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,488	Free cancellation	Rating 7.4 9,274 reviews	Search United Airlines flights
Virgin Australia	PriceFrom $1,598	Free cancellation	Rating 7.6 438 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.