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?

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 32% 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.

$969 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.

12:35 - 20:35

ADL

PDX

24h 30m

2 stops

17:40 - 11:35

PDX

ADL

25h 25m

2 stops

$1,659Multiple Airlines

Thu, 28 May - Thu, 4 Jun

12:35 - 21:07

ADL

SEA

25h 02m

2 stops

17:28 - 11:35

SEA

ADL

25h 37m

2 stops

$1,659Multiple Airlines

Thu, 28 May - Thu, 4 Jun

13:35 - 23:54

ADL

PDX

27h 49m

2 stops

15:30 - 13:55

PDX

ADL

28h 55m

2 stops

$1,943Multiple Airlines

Thu, 8 Oct - Sun, 18 Oct

06:05 - 12:34

ADL

SEA

22h 59m

2 stops

08:30 - 10:05

SEA

ADL

33h 05m

2 stops

$1,976United Airlines

Tue, 21 Jul - Wed, 5 Aug

13:25 - 22:15

ADL

PDX

25h 20m

2 stops

17:40 - 11:55

PDX

ADL

25h 45m

2 stops

$1,977Qantas Airways

Wed, 27 May - Wed, 3 Jun

06:05 - 18:47

ADL

SEA

29h 12m

2 stops

13:30 - 11:05

SEA

ADL

29h 05m

2 stops

$1,978United Airlines

Tue, 21 Jul - Wed, 5 Aug

06:05 - 12:34

ADL

SEA

22h 59m

2 stops

08:30 - 10:05

SEA

ADL

33h 05m

2 stops

$1,980United Airlines

Tue, 21 Jul - Wed, 5 Aug

06:00 - 22:44

ADL

SEA

33h 14m

2 stops

17:31 - 11:55

SEA

ADL

25h 54m

2 stops

$2,061Qantas Airways

Sat, 30 May - Sat, 6 Jun

06:05 - 16:20

ADL

SEA

26h 45m

2 stops

15:33 - 13:45

SEA

ADL

29h 42m

2 stops

$2,079Virgin Australia

Fri, 29 May - Fri, 5 Jun

06:00 - 19:06

ADL

PDX

30h 36m

3 stops

10:10 - 10:55

PDX

ADL

31h 15m

2 stops

$2,452Air New Zealand

Thu, 8 Oct - Sun, 18 Oct

United Airlines flights from Adelaide to State of Washington

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

United Airlines

21 July

ADL06:05Adelaide

22h 59m

2 stops

SEA12:34Seattle/Tacoma Intl

5 Aug

SEA08:30Seattle/Tacoma Intl

33h 05m

2 stops

ADL10:05Adelaide

$1,976

United Airlines

21 July

ADL06:05Adelaide

29h 12m

2 stops

SEA18:47Seattle/Tacoma Intl

5 Aug

SEA13:30Seattle/Tacoma Intl

29h 05m

2 stops

ADL11:05Adelaide

$1,978

United Airlines

21 July

ADL06:05Adelaide

22h 59m

2 stops

SEA12:34Seattle/Tacoma Intl

5 Aug

SEA08:30Seattle/Tacoma Intl

33h 05m

2 stops

ADL10:05Adelaide

$1,980

ANA flights from Adelaide to State of Washington

Our best ANA deals on Adelaide to State of Washington flight tickets

ANA

21 July

ADL06:00Adelaide

29h 02m

3 stops

SEA18:32Seattle/Tacoma Intl

5 Aug

SEA16:30Seattle/Tacoma Intl

52h 55m

2 stops

ADL13:55Adelaide

$2,305

ANA

17 July

ADL06:00Adelaide

29h 02m

3 stops

SEA18:32Seattle/Tacoma Intl

30 July

SEA16:30Seattle/Tacoma Intl

52h 55m

2 stops

ADL13:55Adelaide

$2,576

ANA

28 May

ADL06:00Adelaide

29h 00m

3 stops

SEA18:30Seattle/Tacoma Intl

4 June

SEA16:30Seattle/Tacoma Intl

28h 55m

2 stops

ADL13:55Adelaide

$2,967

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 28/5

12:35-20:35

2 stops24h 30m

Portland

Thu 4/6

17:40-11:35

2 stops25h 25m

$1,659

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 28/5

12:35-21:07

2 stops25h 02m

Seattle/Tacoma Intl

Thu 4/6

17:28-11:35

2 stops25h 37m

$1,659

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 8/10

13:35-23:54

2 stops27h 49m

Portland

Sun 18/10

15:30-13:55

2 stops28h 55m

$1,943

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-12:34

2 stops22h 59m

Seattle/Tacoma Intl

Wed 5/8

08:30-10:05

2 stops33h 05m

$1,976

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Wed 27/5

13:25-22:15

2 stops25h 20m

Portland

Wed 3/6

17:40-11:55

2 stops25h 45m

$1,977

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-18:47

2 stops29h 12m

Seattle/Tacoma Intl

Wed 5/8

13:30-11:05

2 stops29h 05m

$1,978

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-12:34

2 stops22h 59m

Seattle/Tacoma Intl

Wed 5/8

08:30-10:05

2 stops33h 05m

$1,980

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sat 30/5

06:00-22:44

2 stops33h 14m

Seattle/Tacoma Intl

Sat 6/6

17:31-11:55

2 stops25h 54m

$2,061

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 29/5

06:05-16:20

2 stops26h 45m

Seattle/Tacoma Intl

Fri 5/6

15:33-13:45

2 stops29h 42m

$2,079

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 8/10

06:00-19:06

3 stops30h 36m

Portland

Sun 18/10

10:10-10:55

2 stops31h 15m

$2,452

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 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	22h 59m
Direct flights	None

The fastest flight from Adelaide to State of Washington takes 22h 59m

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

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 $1,162	Free cancellation	Rating 7.1 10,932 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,162	Free cancellation	Rating 7.5 1,019 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,468	Free cancellation	Rating 7.4 9,603 reviews	Search United Airlines flights
Virgin Australia	PriceFrom $1,577	Free cancellation	Rating 7.6 453 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.