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Cheap Flights from Adelaide (ADL) to Washington D.C. (IAD)

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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 to Washington Dulles? Find the lowest prices on one-way and return tickets right here.
Washington D.C..$1,710 per passenger.Departing Mon, 29 Sep, returning Sat, 1 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Adelaide on Mon, 29 Sep, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Sat, 1 Nov, arriving in Adelaide.Price includes taxes and charges.From $1,710, select.
Washington D.C..$1,990 per passenger.Departing Fri, 6 Feb, returning Wed, 18 Feb.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Adelaide on Fri, 6 Feb, arriving in Washington Dulles.Inbound indirect flight with Qantas, departs from Washington Dulles on Wed, 18 Feb, arriving in Adelaide.Price includes taxes and charges.From $1,990, select.
Washington D.C..$2,031 per passenger.Departing Thu, 2 Oct, returning Thu, 23 Oct.Return flight with Jetstar and Air Canada.Outbound indirect flight with Jetstar, departs from Adelaide on Thu, 2 Oct, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Thu, 23 Oct, arriving in Adelaide.Price includes taxes and charges.From $2,031, select.
Washington D.C..$2,063 per passenger.Departing Fri, 30 May, returning Fri, 6 Jun.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Adelaide on Fri, 30 May, arriving in Washington Dulles.Inbound indirect flight with Qantas, departs from Washington Dulles on Fri, 6 Jun, arriving in Adelaide.Price includes taxes and charges.From $2,063, select.
Washington D.C..$2,079 per passenger.Departing Fri, 6 Mar, returning Fri, 20 Mar.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Adelaide on Fri, 6 Mar, arriving in Washington Dulles.Inbound indirect flight with Qantas, departs from Washington Dulles on Fri, 20 Mar, arriving in Adelaide.Price includes taxes and charges.From $2,079, select.
Washington D.C..$2,157 per passenger.Departing Thu, 5 Jun, returning Thu, 19 Jun.Return flight with Fiji Airways and United.Outbound indirect flight with Fiji Airways, departs from Adelaide on Thu, 5 Jun, arriving in Washington Dulles.Inbound indirect flight with United, departs from Washington Dulles on Thu, 19 Jun, arriving in Adelaide.Price includes taxes and charges.From $2,157, select.
Washington D.C..$2,417 per passenger.Departing Sat, 12 Jul, returning Tue, 12 Aug.Return flight with Virgin Australia.Outbound indirect flight with Virgin Australia, departs from Adelaide on Sat, 12 Jul, arriving in Washington Dulles.Inbound indirect flight with Virgin Australia, departs from Washington Dulles on Tue, 12 Aug, arriving in Adelaide.Price includes taxes and charges.From $2,417, select.
Washington D.C..$2,903 per passenger.Departing Thu, 25 Sep, returning Fri, 24 Oct.Return flight with Air New Zealand.Outbound indirect flight with Air New Zealand, departs from Adelaide on Thu, 25 Sep, arriving in Washington Dulles.Inbound indirect flight with Air New Zealand, departs from Washington Dulles on Fri, 24 Oct, arriving in Adelaide.Price includes taxes and charges.From $2,903, 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 February.
May
from $3,512
Jun
from $2,157
Jul
from $3,056
Aug
from $3,362
Sep
from $3,362
Oct
from $2,031
Nov
Find prices
Dec
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Jan
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Feb
from $1,990
Mar
from $2,079
Apr
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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.

Adelaide to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found$1,710
Cheapest month to flySeptember

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 $1,710. 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 $1,710.
As of May 2025, there are no flights flying from Adelaide to Washington Dulles.
The cheapest month to fly from Adelaide to Washington Dulles is usually May 2025.
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 Monday, 29 September 2025.
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, Air Canada offers the cheapest flight tickets to Washington Dulles.

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

  • The timezone in Washington DC is UTC-4, which is 14 hours 30 minutes behind Adelaide.

  • Get to the airport on time so you don't miss your ADL to IAD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • You can expect longer lines during popular months like January. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.

  • Choose a stopover if you want to break up your flight. Just deselect 'Direct flights only' to see all your options for tickets from Adelaide Airport to Washington Dulles International Airport. Hamad International Airport is a top stopover on the ADL to IAD route.

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

  • $1,184 is currently the best price for a one-way Adelaide Airport to Washington Dulles International Airport flight. A return flight starts at $1,710. These fares can change based on availability.

  • To find cheap tickets from ADL to IAD, book early. Airlines usually offer their most competitively priced fares when flights are first made available.

  • The 'Whole month' search function shows you the cheapest flights from Adelaide Airport to Washington Dulles International Airport throughout the month. It's a good way to snap up a bargain if your plans aren't set in stone.

  • Stay on top of deals for cheap flights from ADL to IAD by setting up a Price Alert. You'll receive an email or push notification on the app when a new low fare is offered.

  • Select your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Adelaide Airport to Washington Dulles International Airport.

Handy information about Adelaide Airport (ADL)

  • When it comes to the on-time performance of Adelaide Airport, data shows 75.6% of flights meet their scheduled arrival time.

  • Adelaide Airport is around 8 kilometres from central Adelaide. If you're catching a cab, ride-sharing or driving from the centre, it'll take 15 minutes or so to arrive, depending on the traffic.

  • The trip on public transport will take about 50 minutes.

  • Get your journey off to a stress-free start by staying near ADL. Whether you have an early flight from Adelaide Airport to Washington Dulles International Airport or just don't like being rushed, these stays are the answer:

Arriving at Washington Dulles International Airport (IAD)

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

  • The address for IAD is 1 Saarinen Circle.

  • Washington Dulles International Airport is approximately 56 kilometres from central Washington DC. Driving there takes about 50 minutes.

  • When travelling by public transport, expect a journey of around 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • It's time to choose your dates for your flight from Adelaide Airport to Washington Dulles International Airport. April is the most popular month to visit Washington DC. If you prefer a more laid-back vibe, go in January.

  • When reserving your flight from Adelaide Airport to Washington Dulles International Airport, think about the kind of weather you enjoy. July is the warmest month in Washington DC, with the temperature ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • January sees average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for cheap tickets from ADL to IAD sometime around then if you want to travel in cooler conditions.

Explore more of United States

  • Washington DC has plenty going for it, but there are so many other parts of United States you'll want to see. About 322 kilometres north-east of Washington DC, a visit to New York will fill your itinerary to the brim. Start with attractions like Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another essential stop in United States and is around 193 kilometres north-east of Washington DC. No trip is complete without experiencing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

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 45 days.