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C$1,322 Cheap Flights from Adelaide (ADL) to Washington Dulles (IAD)

Compare Adelaide to Washington Dulles flight deals

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Flight deals from Adelaide to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Adelaide Airport to Washington Dulles Airport? If you want to travel next month, return fares start from C$2,387. Find the lowest prices on one-way and return tickets right here.
Washington D.C..C$1,322 per passenger.Departing Mon., Jan. 18.One-way flight with Jetstar.Outbound indirect flight with Jetstar, departs from Adelaide on Mon., Jan. 18, arriving in Washington Dulles.Price includes taxes and charges.From C$1,322, select.
Washington D.C..C$1,514 per passenger.Departing Mon., Sep. 21.One-way flight with Qantas.Outbound indirect flight with Qantas, departs from Adelaide on Mon., Sep. 21, arriving in Washington Dulles.Price includes taxes and charges.From C$1,514, select.
Washington D.C..C$1,578 per passenger.Departing Sun., Nov. 29.One-way flight with Jetstar.Outbound indirect flight with Jetstar, departs from Adelaide on Sun., Nov. 29, arriving in Washington Dulles.Price includes taxes and charges.From C$1,578, select.
Washington D.C..C$1,590 per passenger.Departing Sat., Oct. 10.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Adelaide on Sat., Oct. 10, arriving in Washington Dulles.Price includes taxes and charges.From C$1,590, select.
Washington D.C..C$1,645 per passenger.Departing Thu., Aug. 27.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Adelaide on Thu., Aug. 27, arriving in Washington Dulles.Price includes taxes and charges.From C$1,645, select.
Washington D.C..C$1,865 per passenger.Departing Wed., Dec. 23.One-way flight with Virgin Australia.Outbound indirect flight with Virgin Australia, departs from Adelaide on Wed., Dec. 23, arriving in Washington Dulles.Price includes taxes and charges.From C$1,865, select.
Washington D.C..C$3,312 per passenger.Departing Tue., Jun. 1.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Adelaide on Tue., Jun. 1, arriving in Washington Dulles.Price includes taxes and charges.From C$3,312, select.

Find the cheapest month to fly from Adelaide to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Adelaide to Washington Dulles flights are currently cheapest in January.
Aug.
from C$1,641
Sep.
from C$1,511
Oct.
from C$1,586
Nov.
from C$1,574
Dec.
from C$1,861
Jan.
from C$1,319
Feb.
Find prices
Mar.
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Apr.
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May
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Jun.
from C$3,305
Jul.
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Adelaide to Washington Dulles: Alternative routes

Compare routes from Adelaide to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Washington Ronald Reagan

5km from central Washington D.C.
ClosestCheapest
from C$913
Search flights

Washington Dulles

37km from central Washington D.C.
from C$1,322
Search flights

Baltimore Washington International

44km from central Washington D.C.
from C$1,137
Search flights

Adelaide to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundC$1,319
Cheapest month to flyJanuary

Finding cheap flights from Adelaide to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Adelaide to Washington Dulles is C$1,927. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Adelaide to Washington Dulles. But we found flights with one or more stops from C$1,927.
As of August 2026, there are no flights flying from Adelaide to Washington Dulles.
The cheapest month to fly from Adelaide to Washington Dulles is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Adelaide Airport to Washington Dulles Airport on Wednesday, December 23, 2026.
No airlines currently offer direct flights between Adelaide Airport and Washington Dulles Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, United offers the cheapest flight tickets to Washington Dulles.

Traveling from Adelaide Airport (ADL) to Washington Dulles International Airport (IAD): what you need to know

  • Peak months like July or high seasons such as Thanksgiving and Christmas/New Year will mean longer lines at check-in and security. Play it safe and head to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of an international flight is a smart idea.

  • Choose a stopover if you'd like to break up your flight from Adelaide Airport to Washington Dulles International Airport. To see the options, just uncheck 'Direct flights only.' Hamad International Airport is a popular stopover on the ADL to IAD route.

  • Before booking your cheap ticket from ADL to IAD, check whether you need a visa to enter United States. Travel document and visa requirements can vary and are updated often. To get the latest information, contact the nearest consulate or embassy of the country you're traveling to.

How to find the cheapest flights from Adelaide Airport (ADL) to Washington Dulles International Airport (IAD)

  • The lowest price we've found for a one-way ticket from Adelaide Airport to Washington Dulles International Airport is C$1,322. For a return flight on this route, the best price is C$1,927. Depending on the availability and when you book, these fares could change.

  • Don't leave things to the last minute. You're more likely to find cheap flight tickets from ADL to IAD if you book ahead. Airlines often have some amazing early bird rates.

  • Finding cheap flight tickets from Adelaide Airport to Washington Dulles International Airport is more likely if you can be flexible with your trip dates. Use the 'Whole month' tool to see the lowest fares across each month and snap up a great deal.

  • Getting a cheap ticket from ADL to IAD is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when the price has dropped.

  • Use filters to find the perfect journey for you. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Adelaide Airport to Washington Dulles International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Adelaide Airport (ADL)

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • Washington Dulles International Airport is approximately 56 kilometres from the center of Washington DC. With your own car rental or in a cab, the drive is about 51 minutes.

  • It takes roughly 3 hours and 26 minutes if you're using public transport.

When to fly to Washington Dulles International Airport (IAD)

  • July is the most popular month for flights from Adelaide Airport to Washington Dulles International Airport. To steer clear of the crowds, visit Washington DC in February.

  • Book your flight from Adelaide Airport to Washington Dulles International Airport for July if you'd like to explore Washington DC during its warmest month. Expect temperatures of between 19ºC and 33ºC.

  • Look for cheap flight tickets from ADL to IAD in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC and 10ºC on average.

More about Washington DC

  • Start your Washington DC trip right by finding a wonderful stay. Once you've booked your flight from ADL to IAD, browse our selection of hotel options including:

  • Every great journey has to include a little sightseeing. White House Historical Association, The White House and National Mall are essential stops on your Washington DC itinerary.

  • Explore your options for traveling to Ronald Reagan National Airport (DCA) or Baltimore/Wash International Thurgood Marshall Airport (BWI). They're other international airports that'll get you to and from Washington DC.

Complete your Washington DC trip with hotels and a car rental

  • After you've secured your cheap ticket to Washington Dulles International Airport, check out the lowest prices and exclusive offers on hotels. You can also compare hundreds of car rental companies in one place to find the best car rental price for your Washington DC vacation.

Plan the rest of your trip from Adelaide to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.