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 30% 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 April 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.

$1,689 Cheap Flights from Adelaide to Washington in 2026

1 adult

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Find the cheapest flights from Adelaide to Washington

Round-trip

Cheap return flights

Enter your travel dates to find the best prices.

17:10 - 22:41

ADL

SEA

22h 01m

2 stops

18:10 - 11:55

SEA

ADL

25h 15m

2 stops

$1,689Qantas Airways

Tue, 21 Jul - Wed, 5 Aug

11:50 - 20:56

ADL

SEA

25h 36m

2 stops

18:10 - 11:05

SEA

ADL

24h 25m

2 stops

$1,765Qantas Airways

Tue, 21 Jul - Wed, 5 Aug

06:00 - 14:30

ADL

SEA

25h 00m

2 stops

17:04 - 10:55

SEA

ADL

25h 21m

2 stops

$1,878Virgin Australia

Thu, 11 Jun - Thu, 18 Jun

06:00 - 12:34

ADL

SEA

23h 04m

2 stops

17:04 - 13:45

SEA

ADL

28h 11m

3 stops

$1,930Virgin Australia

Thu, 11 Jun - Thu, 18 Jun

06:00 - 10:20

ADL

PDX

20h 50m

2 stops

11:16 - 13:45

PDX

ADL

33h 59m

2 stops

$2,062Virgin Australia

Thu, 11 Jun - Thu, 18 Jun

06:00 - 18:32

ADL

SEA

29h 02m

3 stops

16:30 - 13:55

SEA

ADL

52h 55m

2 stops

$2,107ANA

Fri, 17 Jul - Thu, 30 Jul

14:25 - 15:45

ADL

SEA

41h 50m

2 stops

00:10 - 08:05

SEA

ADL

39h 25m

2 stops

$2,183Multiple Airlines

Thu, 27 Aug - Sun, 13 Sep

12:40 - 15:45

ADL

SEA

43h 35m

2 stops

00:10 - 11:05

SEA

ADL

42h 25m

2 stops

$2,193Multiple Airlines

Thu, 27 Aug - Sun, 13 Sep

19:10 - 21:34

ADL

SEA

42h 54m

2 stops

08:00 - 22:35

SEA

ADL

22h 05m

2 stops

$2,243Multiple Airlines

Wed, 15 Jul - Wed, 29 Jul

06:00 - 19:10

ADL

PDX

29h 40m

3 stops

10:10 - 13:55

PDX

ADL

35h 15m

3 stops

$3,675ANA

Thu, 11 Jun - Thu, 18 Jun

Qatar Airways flights from Adelaide to State of Washington

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

Qatar Airways

27 Aug

ADL22:00Adelaide

30h 55m

1 stop

SEA12:25Seattle/Tacoma Intl

14 Sept

SEA16:25Seattle/Tacoma Intl

30h 35m

1 stop

ADL15:30Adelaide

$3,363

Qatar Airways

27 Aug

ADL22:00Adelaide

30h 55m

1 stop

SEA12:25Seattle/Tacoma Intl

14 Sept

SEA16:25Seattle/Tacoma Intl

30h 35m

1 stop

ADL15:30Adelaide

$3,379

Qatar Airways

15 July

ADL22:00Adelaide

30h 55m

1 stop

SEA12:25Seattle/Tacoma Intl

29 July

SEA16:25Seattle/Tacoma Intl

30h 35m

1 stop

ADL15:30Adelaide

$3,472

Singapore Airlines flights from Adelaide to State of Washington

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

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

$2,605

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

$2,739

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

$2,743

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

17:10-22:41

2 stops22h 01m

Seattle/Tacoma Intl

Wed 5/8

18:10-11:55

2 stops25h 15m

$1,689

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

11:50-20:56

2 stops25h 36m

Seattle/Tacoma Intl

Wed 5/8

18:10-11:05

2 stops24h 25m

$1,765

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 11/6

06:00-14:30

2 stops25h 00m

Seattle/Tacoma Intl

Thu 18/6

17:04-10:55

2 stops25h 21m

$1,878

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 11/6

06:00-12:34

2 stops23h 04m

Seattle/Tacoma Intl

Thu 18/6

17:04-13:45

3 stops28h 11m

$1,930

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 11/6

06:00-10:20

2 stops20h 50m

Portland

Thu 18/6

11:16-13:45

2 stops33h 59m

$2,062

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

06:00-18:32

3 stops29h 02m

Seattle/Tacoma Intl

Thu 30/7

16:30-13:55

2 stops52h 55m

$2,107

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 27/8

14:25-15:45

2 stops41h 50m

Seattle/Tacoma Intl

Sun 13/9

00:10-08:05

2 stops39h 25m

$2,183

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 27/8

12:40-15:45

2 stops43h 35m

Seattle/Tacoma Intl

Sun 13/9

00:10-11:05

2 stops42h 25m

$2,193

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 15/7

19:10-21:34

2 stops42h 54m

Seattle/Tacoma Intl

Wed 29/7

08:00-22:35

2 stops22h 05m

$2,243

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 11/6

06:00-19:10

3 stops29h 40m

Portland

Thu 18/6

10:10-13:55

3 stops35h 15m

$3,675

Flights are sorted by cheapest return flights first.

Sorted 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 month to fly to State of Washington?

The month of October is, on average, the cheapest month to fly to State of Washington from Adelaide, with most prices found around $0. If you aren’t able to travel during the month of October, then book flights to State of Washington from Adelaide during August instead. Flights to State of Washington in August, while not as cheap as those in October, still average around $854.

Can stopping save me money on Adelaide to State of Washington flights?

You could potentially save up to 23% 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	20h 50m
Direct flights	None

The fastest flight from Adelaide to State of Washington takes 20h 50m

There are no direct flights from Adelaide to State of Washington. There are no popular flight routes from Adelaide to State of Washington.

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Frequently asked questions about flying 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 April 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 $1,161	Free cancellation	Rating 7.1 10,979 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,162	Free cancellation	Rating 7.5 1,028 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,467	Free cancellation	Rating 7.4 9,681 reviews	Search United Airlines flights
Virgin Australia	PriceFrom $1,576	Free cancellation	Rating 7.6 452 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.