How does KAYAK find such low prices on flights from Washington to Adelaide?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Adelaide. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Adelaide?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Adelaide from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Adelaide?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Adelaide with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Adelaide?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Adelaide from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$578 CHEAP FLIGHTS from Washington to Adelaide

ADL

KAYAK searches hundreds of travel sites at once for deals on flights to Adelaide

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$949

Multiple Airlines

Mon 2/16Mon 2/23

PDX - ADL • 2 stops

Cheapest one-way

$578

Multiple Airlines

Thu 2/26

SEA - ADL • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Adelaide!

Flight Deals

Cheap Flights from Washington to Adelaide

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Adelaide that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Washington to Adelaide

Mon, Feb 16 - Mon, Feb 23

7:05 pm - 7:10 pm

PDX

ADL

29h 35m2 stops

6:10 am - 9:15 am

ADL

PDX

21h 35m2 stops

$949Multiple Airlines

Mon, Feb 16 - Mon, Feb 23

8:00 pm - 7:10 pm

SEA

ADL

28h 40m2 stops

6:10 am - 7:16 pm

ADL

SEA

31h 36m2 stops

$949Air Canada

Mon, Feb 9 - Thu, Feb 19

7:05 pm - 10:30 pm

PDX

ADL

32h 55m2 stops

6:10 am - 9:15 am

ADL

PDX

21h 35m2 stops

$993Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

8:00 pm - 12:40 pm

SEA

ADL

23h 10m2 stops

6:10 am - 7:16 pm

ADL

SEA

30h 36m2 stops

$1,007Multiple Airlines

Thu, Feb 19 - Thu, Feb 26

4:50 pm - 12:15 pm

SEA

ADL

24h 55m2 stops

1:15 pm - 5:00 pm

ADL

SEA

22h 15m2 stops

$1,009Multiple Airlines

Mon, Feb 16 - Tue, Feb 24

7:05 pm - 1:55 pm

PDX

ADL

24h 20m2 stops

6:10 am - 9:15 am

ADL

PDX

21h 35m2 stops

$1,031Multiple Airlines

Wed, Feb 18 - Wed, Feb 25

7:05 pm - 6:10 pm

PDX

ADL

28h 35m2 stops

6:10 am - 6:30 pm

ADL

PDX

30h 50m2 stops

$1,036Air Canada

Mon, Feb 2 - Mon, Feb 9

1:24 pm - 9:30 am

PDX

ADL

25h 36m2 stops

2:55 pm - 2:46 pm

ADL

PDX

18h 21m1 stop

$1,104United Airlines

Mon, Feb 16 - Wed, Feb 25

3:50 pm - 9:30 am

PDX

ADL

23h 10m1 stop

2:55 pm - 6:55 pm

ADL

PDX

22h 30m1 stop

$1,114United Airlines

Mon, Feb 16 - Mon, Feb 23

5:20 pm - 9:30 am

SEA

ADL

21h 40m1 stop

2:55 pm - 9:01 pm

ADL

SEA

24h 36m1 stop

$1,114United Airlines

Useful Info

Low season	October
High season	December
Cheapest flight	$578

Best time to beat the crowds but there is an average 5% increase in price.

Most popular time to fly with an average 41% increase in price.

Flight from Seattle to Adelaide

How does KAYAK find such low prices on flights from Washington to Adelaide?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Adelaide.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Adelaide?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Adelaide from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Adelaide?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Adelaide with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Adelaide?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Adelaide from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Glenelg

Stirling

Everything you need to know for your flight to Adelaide

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Adelaide

Adelaide (ADL)

ADL

$632 Find Cheap Flights from Washington to Adelaide

KAYAK searches hundreds of travel sites at once for deals on flights to Adelaide

Everything you should know

Cheap Flights from Washington to Adelaide

Recent round-trip flight deals from Washington to Adelaide

Recent one-way flight deals from Washington to Adelaide

Good to know

FAQs for booking flights from Washington to Adelaide

How does KAYAK find such low prices on flights from Washington to Adelaide?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Adelaide.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Adelaide?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Adelaide from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Adelaide?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Adelaide with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Adelaide?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Adelaide from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Adelaide?

Everything you need to know for your flight to Adelaide

Information on the airport you'll fly into in Adelaide

Cabin class types available on flights to Washington

Complete your trip to Adelaide with a hotel stay or car rental

Find direct flights for Adelaide

Flights to other popular destinations

Flights from domestic origins to Adelaide

Choose which airport to fly into in Adelaide