How long is the flight from State of Washington to Adelaide?

Cathay Pacific and Qatar Airways can get you from State of Washington to Adelaide in just under 29h 57m. Your travel time can differ by up to 58m. State of Washington and Adelaide are separated by a distance of 13409 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Adelaide ranges from 10.0 - 60.0 inches per month. July is typically the wettest month, when rainfall can reach 60.0 mm. January is typically the driest time to visit Adelaide when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Adelaide, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from WA to ADL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Adelaide as you normally would.

What airport do you fly into for flights to Adelaide from Washington?

Adelaide (ADL), located 6.6 km from the city centre, is the airport you fly into when you book flights from Washington to Adelaide.

Can I find deals for flights from Washington to Adelaide that include hotel bookings?

Yes. In addition to deals on Washington to Adelaide flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Washington to Adelaide?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Adelaide.

Can I find deals for business class flights from Washington to Adelaide?

Yes. Cheapflights offers flight deals from Washington to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$915+ Cheap Flights from Washington to Adelaide

Cheap flight deals from Washington to Adelaide

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington to Adelaide
Explore the most affordable flight options available from Washington to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 October 2026.

Wed 18/1114:59 -

2 stops25h 26m

Wed 25/1112:05 -

2 stops24h 58m

Deal found 4/10$1,762

Sun 1/1119:05 -

2 stops32h 55m

Sun 15/1106:00 -

2 stops27h 07m

Deal found 30/9$1,839

Tue 17/1119:35 -

2 stops24h 05m

Tue 24/1108:40 -

2 stops24h 29m

Deal found 2/10$1,848

Sat 31/1015:15 -

2 stops37h 45m

Wed 4/1106:10 -

2 stops21h 52m

Deal found 3/10$2,142

Wed 18/1110:25 -

1 stop29h 35m

Wed 25/1112:00 -

1 stop39h 15m

Deal found 4/10$2,145

Thu 15/1015:25 -

2 stops28h 50m

Sun 15/1119:55 -

2 stops36h 00m

Deal found 1/10$2,181

Sun 1/1116:59 -

3 stops43h 36m

Sun 15/1112:00 -

2 stops39h 24m

Deal found 30/9$2,223

Thu 15/1011:45 -

2 stops36h 30m

Sun 15/1112:00 -

1 stop39h 15m

Deal found 1/10$2,354

Tue 17/1108:40 -

1 stop53h 40m

Tue 24/1110:05 -

1 stop39h 30m

Deal found 2/10$2,585

Find flight deals from Washington to Adelaide

Round-trip from	$1,762
One-way from	$915

Air New Zealand
18/11-25/11
4 total stops
50h 24m total
Washington to Adelaide

Search Deals

2/3-31/12
3 total stops
37h 55m total
Washington to Adelaide

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleAdelaide

SEA Seattle/Tacoma Intl - ADL Adelaide

SEAADL

Seattle/Tacoma Intl

Tue 2/3

08:40-17:05

3 stops37h 55m

Adelaide

Wed 31/12

00:00-06:30

Nonstop0h 00m

$915

SeattleAdelaide

SEA Seattle/Tacoma Intl - ADL Adelaide

SEAADL

Seattle/Tacoma Intl

Wed 14/10

20:45-22:35

2 stops32h 20m

Adelaide

Wed 31/12

00:00-06:30

Nonstop0h 00m

$1,441

Fastest return journey

SeattleAdelaide

SEA Seattle/Tacoma Intl - ADL Adelaide

SEAADL

Seattle/Tacoma Intl

Fri 9/10

07:00-22:35

2 stops22h 05m

Adelaide

Wed 31/12

00:00-06:30

Nonstop0h 00m

$1,568

SeattleAdelaide

SEA Seattle/Tacoma Intl - ADL Adelaide

SEAADL

Seattle/Tacoma Intl

Sun 11/10

10:05-11:05

2 stops55h 30m

Adelaide

Wed 31/12

00:00-06:30

Nonstop0h 00m

$1,604

SeattleAdelaide

SEA Seattle/Tacoma Intl - ADL Adelaide

SEAADL

Seattle/Tacoma Intl

Fri 12/2

19:05-21:45

2 stops32h 10m

Adelaide

Sun 21/2

06:10-09:32

2 stops21h 52m

$1,875

SeattleAdelaide

SEA Seattle/Tacoma Intl - ADL Adelaide

SEAADL

Seattle/Tacoma Intl

Fri 12/2

10:03-10:30

2 stops29h 57m

Adelaide

Sun 21/2

12:00-08:45

1 stop39h 15m

$2,095

SeattleAdelaide

SEA Seattle/Tacoma Intl - ADL Adelaide

SEAADL

Seattle/Tacoma Intl

Sun 1/11

16:59-07:05

3 stops43h 36m

Adelaide

Sun 15/11

12:00-08:54

2 stops39h 24m

$2,223

SeattleAdelaide

SEA Seattle/Tacoma Intl - ADL Adelaide

SEAADL

Seattle/Tacoma Intl

Fri 2/4

16:25-16:50

1 stop30h 55m

Adelaide

Sat 10/4

18:20-12:55

2 stops35h 05m

$2,437

SeattleAdelaide

SEA Seattle/Tacoma Intl - ADL Adelaide

SEAADL

Seattle/Tacoma Intl

Sun 11/10

17:15-20:50

1 stop34h 05m

Adelaide

Wed 31/12

00:00-06:30

Nonstop0h 00m

$2,535

SeattleAdelaide

SEA Seattle/Tacoma Intl - ADL Adelaide

SEAADL

Seattle/Tacoma Intl

Sun 14/2

15:50-20:40

2 stops34h 20m

Adelaide

Sat 20/2

22:00-11:40

1 stop32h 10m

$2,568

Flights are sorted by cheapest return flights first.

Deals found on 3/10

Showing 1-10 of 13 resultsSorted by cheapest first

Best time to book a flight from Washington to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Washington with our price prediction graph.

SEA-ADL

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Adelaide

USWA-ADL

SEA-ADL

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Adelaide from Washington?
Adelaide (ADL), located 6.6 km from the city centre, is the airport you fly into when you book flights from Washington to Adelaide.
How long is the flight from State of Washington to Adelaide?
Cathay Pacific and Qatar Airways can get you from State of Washington to Adelaide in just under 29h 57m. Your travel time can differ by up to 58m. State of Washington and Adelaide are separated by a distance of 13409 km. This flight may include one or multiple stops.
Can I find deals for flights from Washington to Adelaide that include hotel bookings?
Yes. In addition to deals on Washington to Adelaide flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Washington to Adelaide?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Adelaide.
Can I find deals for business class flights from Washington to Adelaide?
Yes. Cheapflights offers flight deals from Washington to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Glenelg

Browse thousands of different options on Cheapflights for your next trip

Adelaide flight routes

Alternative routes

Complete your trip

Direct flights to South Australia

Flights by cabin class

Other flight options

Popular flights

Other flights to Adelaide

Adelaide to Melbourne Avalon Airport flights

Adelaide to Maroochydore flights

Adelaide to Melbourne Airport flights

Adelaide to Hobart flights

Adelaide to Coolangatta flights

Adelaide to Launceston, Tasmania flights

Adelaide to Melbourne Avalon Airport flights

Adelaide to Sydney flights

Adelaide to Maroochydore flights

Adelaide to Cairns flights

Adelaide to Melbourne Airport flights

Adelaide to Brisbane flights

Adelaide to Perth flights

Adelaide to Darwin flights

Adelaide to Hobart flights

Adelaide to Sydney flights

Adelaide to Port Lincoln flights

Adelaide to Launceston, Tasmania flights

Fly with Cheapflights

How does Cheapflights help users find flights from Washington to Adelaide?

Deals for Washington to Adelaide flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Washington to Adelaide?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Adelaide from Washington.

Can Cheapflights find flights from Washington to Adelaide with no change fees?

Yes, we can. To see specific flights from Washington to Adelaide with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Washington to Adelaide become cheaper?

Yes, Cheapflights offers price alerts on Washington to Adelaide flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Washington to Adelaide from $915

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington to Adelaide

Cheapest flights from Washington to AdelaideExplore the most affordable flight options available from Washington to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 October 2026.

Explore the most affordable flight options available from Washington to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 October 2026.

Best flights from Washington to AdelaideDiscover carefully curated flight deals from Washington to Adelaide that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 October 2026.

Discover carefully curated flight deals from Washington to Adelaide that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 October 2026.

Last-minute flights from Washington to AdelaideDiscover last-minute flight deals from Washington to Adelaide. Data last updated 4 October 2026 and is based on user searches.

Discover last-minute flight deals from Washington to Adelaide. Data last updated 4 October 2026 and is based on user searches.

One-way flights from Washington to AdelaideSearch for one-way flight options from Washington to Adelaide. Find affordable one-way fares based on user searches. Data last updated 4 October 2026.

Search for one-way flight options from Washington to Adelaide. Find affordable one-way fares based on user searches. Data last updated 4 October 2026.

Find flight deals from Washington to Adelaide

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Adelaide that are best for you.

Best time to book a flight from Washington to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Washington with our price prediction graph.

Cheapflights Insights

Related info for your journey

What airport do you fly into for flights to Adelaide from Washington?

How long is the flight from State of Washington to Adelaide?

Can I find deals for flights from Washington to Adelaide that include hotel bookings?

How can I find direct flights from Washington to Adelaide?

Can I find deals for business class flights from Washington to Adelaide?

Travelling to a place near Adelaide?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other flights to Adelaide

Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 October 2026.

Alternative routes for Washington to Adelaide

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Adelaide by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to South Australia

Book a non-stop flight to one of these other cities located in South Australia.

Search flights from Washington to Adelaide by cabin class

Find flights from Washington to Adelaide, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Washington and Adelaide flights

Browse other Washington and Adelaide flight options. Last updated on 4 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Washington to Adelaide?

Why should you use Cheapflights to find cheap flight tickets from Washington to Adelaide?

Can Cheapflights find flights from Washington to Adelaide with no change fees?

Can Cheapflights notify me if prices for flights from Washington to Adelaide become cheaper?

100% Free

Book with flexibility

Travel Smart

Cheapest flights from Washington to Adelaide
Explore the most affordable flight options available from Washington to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 October 2026.

Best flights from Washington to Adelaide
Discover carefully curated flight deals from Washington to Adelaide that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 October 2026.

Last-minute flights from Washington to Adelaide
Discover last-minute flight deals from Washington to Adelaide. Data last updated 4 October 2026 and is based on user searches.

One-way flights from Washington to Adelaide
Search for one-way flight options from Washington to Adelaide. Find affordable one-way fares based on user searches. Data last updated 4 October 2026.