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

Air New Zealand and Qatar Airways are the most popular carriers operating from Adelaide to Washington

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 29% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 4 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 March 2026, there are 4 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.

$841 Cheap Flights from Adelaide to Washington in 2026

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Find the cheapest flights from Adelaide to Washington

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:30 - 09:50

ADL

SEA

33h 50m

2 stops

14:55 - 13:55

SEA

ADL

30h 30m

2 stops

$1,470Air Canada

Mon, 1 Jun - Tue, 16 Jun

20:00 - 09:38

ADL

SEA

30h 08m

2 stops

19:20 - 11:50

SEA

ADL

24h 00m

2 stops

$1,510Air Canada

Wed, 29 Apr - Wed, 6 May

20:00 - 09:10

ADL

PDX

29h 40m

2 stops

19:45 - 13:55

PDX

ADL

25h 40m

2 stops

$1,521Air Canada

Tue, 28 Apr - Tue, 5 May

14:45 - 21:59

ADL

SEA

23h 44m

2 stops

12:00 - 08:00

SEA

ADL

27h 30m

2 stops

$1,558Multiple Airlines

Tue, 21 Jul - Wed, 5 Aug

12:40 - 21:42

ADL

SEA

25h 32m

2 stops

08:00 - 22:35

SEA

ADL

22h 05m

2 stops

$1,637Multiple Airlines

Fri, 1 May - Fri, 8 May

16:30 - 19:05

ADL

PDX

43h 05m

2 stops

15:30 - 11:50

PDX

ADL

27h 50m

2 stops

$1,654Air Canada

Tue, 2 Jun - Sat, 6 Jun

16:30 - 19:05

ADL

PDX

43h 05m

2 stops

19:45 - 11:50

PDX

ADL

23h 35m

2 stops

$1,656Air Canada

Tue, 2 Jun - Sat, 6 Jun

06:05 - 16:20

ADL

SEA

26h 45m

2 stops

08:30 - 10:55

SEA

ADL

33h 55m

2 stops

$1,765Virgin Australia

Mon, 1 Jun - Tue, 16 Jun

17:50 - 12:26

ADL

PDX

35h 06m

3 stops

13:37 - 13:45

PDX

ADL

31h 38m

2 stops

$1,972Virgin Australia

Tue, 28 Apr - Tue, 5 May

07:50 - 18:07

ADL

PDX

26h 47m

3 stops

15:30 - 13:40

PDX

ADL

29h 40m

3 stops

$2,567Air New Zealand

Tue, 28 Apr - Tue, 5 May

Singapore Airlines flights from Adelaide to State of Washington

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

Singapore Airlines

30 June

ADL09:10Adelaide

64h 05m

1 stop

SEA08:45Seattle/Tacoma Intl

25 Aug

SEA10:15Seattle/Tacoma Intl

37h 35m

1 stop

ADL16:20Adelaide

$1,927

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

$2,110

Singapore Airlines

17 July

ADL17:35Adelaide

31h 40m

1 stop

SEA08:45Seattle/Tacoma Intl

30 July

SEA10:15Seattle/Tacoma Intl

61h 35m

1 stop

ADL16:20Adelaide

$2,154

Virgin Australia flights from Adelaide to State of Washington

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

Virgin Australia

1 June

ADL06:05Adelaide

26h 45m

2 stops

SEA16:20Seattle/Tacoma Intl

16 June

SEA08:30Seattle/Tacoma Intl

33h 55m

2 stops

ADL10:55Adelaide

$1,765

Virgin Australia

30 June

ADL06:00Adelaide

33h 40m

2 stops

SEA23:10Seattle/Tacoma Intl

25 Aug

SEA19:35Seattle/Tacoma Intl

23h 00m

2 stops

ADL11:05Adelaide

$1,948

Virgin Australia

28 Apr

ADL17:50Adelaide

35h 06m

3 stops

PDX12:26Portland

5 May

PDX13:37Portland

31h 38m

2 stops

ADL13:45Adelaide

$1,972

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 1/6

16:30-09:50

2 stops33h 50m

Seattle/Tacoma Intl

Tue 16/6

14:55-13:55

2 stops30h 30m

$1,470

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 29/4

20:00-09:38

2 stops30h 08m

Seattle/Tacoma Intl

Wed 6/5

19:20-11:50

2 stops24h 00m

$1,510

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 28/4

20:00-09:10

2 stops29h 40m

Portland

Tue 5/5

19:45-13:55

2 stops25h 40m

$1,521

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

14:45-21:59

2 stops23h 44m

Seattle/Tacoma Intl

Wed 5/8

12:00-08:00

2 stops27h 30m

$1,558

Fastest return journey

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 1/5

12:40-21:42

2 stops25h 32m

Seattle/Tacoma Intl

Fri 8/5

08:00-22:35

2 stops22h 05m

$1,637

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 2/6

16:30-19:05

2 stops43h 05m

Portland

Sat 6/6

15:30-11:50

2 stops27h 50m

$1,654

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 2/6

16:30-19:05

2 stops43h 05m

Portland

Sat 6/6

19:45-11:50

2 stops23h 35m

$1,656

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 1/6

06:05-16:20

2 stops26h 45m

Seattle/Tacoma Intl

Tue 16/6

08:30-10:55

2 stops33h 55m

$1,765

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 28/4

17:50-12:26

3 stops35h 06m

Portland

Tue 5/5

13:37-13:45

2 stops31h 38m

$1,972

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 28/4

07:50-18:07

3 stops26h 47m

Portland

Tue 5/5

15:30-13:40

3 stops29h 40m

$2,567

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 19m
Direct flights	None

The fastest flight from Adelaide to State of Washington takes 18h 19m

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 March 2026, there are 4 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 Canada	PriceFrom $1,183	Free cancellation	Rating 7.1 10,811 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,272	Free cancellation	Rating 7.5 1,005 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,495	Free cancellation	Rating 7.4 9,432 reviews	Search United Airlines flights
Virgin Australia	PriceFrom $1,606	Free cancellation	Rating 7.6 449 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.