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

Compare Washington D.C. to Adelaide flight deals

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Flight deals from Washington D.C. to Adelaide

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Adelaide Airport? If you want to travel next month, return fares start from £1,125. Find the lowest prices on one-way and return tickets right here.
Adelaide.£518 per passenger.Departing Thu, 23 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Thu, 23 Jul, arriving in Adelaide.Price includes taxes and charges.From £518, select.
Adelaide.£532 per passenger.Departing Thu, 3 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu, 3 Sep, arriving in Adelaide.Price includes taxes and charges.From £532, select.
Adelaide.£698 per passenger.Departing Sun, 1 Nov.One-way flight with Qantas.Outbound indirect flight with Qantas, departs from Baltimore Washington International on Sun, 1 Nov, arriving in Adelaide.Price includes taxes and charges.From £698, select.
Adelaide.£807 per passenger.Departing Tue, 20 Apr.One-way flight with Qantas.Outbound indirect flight with Qantas, departs from Washington Ronald Reagan on Tue, 20 Apr, arriving in Adelaide.Price includes taxes and charges.From £807, select.
Adelaide.£875 per passenger.Departing Mon, 3 Aug.One-way flight with Qantas.Outbound indirect flight with Qantas, departs from Washington Ronald Reagan on Mon, 3 Aug, arriving in Adelaide.Price includes taxes and charges.From £875, select.

Find the cheapest month to fly from Washington D.C. to Adelaide

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Adelaide flights are currently cheapest in July.
Jun
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Jul
from £518
Aug
from £875
Sep
from £532
Oct
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Nov
from £698
Dec
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Jan
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Feb
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Mar
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Apr
from £807
May
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Washington D.C. to Adelaide: Alternative routes

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

Adelaide

4 miles from central Adelaide
ClosestCheapest
from £518
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Washington D.C. to Adelaide: Flight information

The things to know before you go.
Cheapest flight found£518
Cheapest month to flyJuly

Finding cheap flights from Washington D.C. to Adelaide: Frequently asked questions

The best price we found for a return flight from Washington D.C. to Adelaide is £791. 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 Washington D.C. to Adelaide. But we found flights with one stop from £791.
As of June 2026, there are no flights flying from Washington D.C. to Adelaide.
The cheapest month to fly from Washington D.C. to Adelaide is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Adelaide Airport on Thursday, 20 August 2026.
No airlines currently offer direct flights between Washington D.C. and Adelaide 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 Adelaide 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 Adelaide is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Adelaide is Frontier Airlines .

Flying from Washington DC to Adelaide Airport (ADL): What you need to know

  • Adelaide Airport is located in Adelaide. The city runs on the UTC+10:30 timezone and is 15 hours 30 minutes ahead of Washington DC.

  • To ensure you catch your flight from Washington DC to ADL, leave plenty of time to check in and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • With more people on the move during busy periods like July, get to the terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will help you deal with any delays. Remember things also get busy during major holidays like Fourth of July.

Airports in Washington DC

Ronald Reagan Washington National Airport (DCA)

  • DCA is about 6 kms (4 miles) from central Washington DC. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 10 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the journey time to be around 25 minutes.

  • Want a leisurely start to your travels? Stay near Ronald Reagan Washington National Airport. Whether you've booked an early flight from Washington DC to Adelaide Airport or want to avoid feeling rushed, these hotels are the answer:

  • When it comes to the on-time performance of Ronald Reagan Washington National Airport, data shows 71% of flights arrive within the scheduled time frame.

  • The address for DCA is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Consider adding a stopover to your journey at Doha Hamad International Airport (DOH). It's a key transfer point for flights from Washington DC to Adelaide Airport (ADL) out of Washington Dulles International Airport.

  • With public transport, you can travel from central Washington DC to IAD in around 1 hour 10 minutes. The terminal is roughly 40 kms (25 miles) away, and getting there by car takes approximately 45 minutes.

  • Catching an early morning flight? Think about staying at one of these accommodation options near Washington Dulles International Airport the day before your Washington DC to ADL flight:

  • Washington Dulles International Airport has an on-time performance rate of 77%. This figure reflects how frequently flights that depart from this airport make it to their destination on time.

  • IAD is located at 1 Saarinen Circle.

Baltimore Washington International Airport (BWI)

About Adelaide Airport (ADL)

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Washington DC to Adelaide Airport. Stay at one of these accommodation options near ADL instead:

  • To get the lowest price, reserve your vehicle around one week ahead of your Washington DC to Adelaide Airport flight.

Getting from Adelaide Airport (ADL) to central Adelaide

  • From Adelaide Airport, central Adelaide is around 6 kms (4 miles) away. It takes about 20 minutes to reach the city centre by car.

  • It takes roughly 35 minutes if you're using public transport.

How to find the cheapest flights from Washington DC to Adelaide Airport (ADL)

  • The lowest price we've found for a one-way ticket from Washington DC to Adelaide Airport is £518. For a return flight on this route, the best price is £791. Depending on the availability when you book, these fares can change.

  • Booking ahead of time is often the key to scoring a cheap flight from Washington DC to ADL. Airlines adjust prices based on demand, so the closer your departure date, the more you'll likely spend on your ticket.

  • If you have some flexibility with your trip dates, try using the 'Whole month' search tool. It'll show you the lowest price across each month when searching for your Washington DC to Adelaide Airport ticket.

  • Save time searching for cheap plane tickets from Washington DC to ADL by setting up a Price Alert. We'll send you an email or notification through the app when prices go down.

  • Uncover a great deal on a flight from Washington DC to Adelaide Airport with the help of the filters. Choose your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

The best time to fly from Washington DC to Adelaide Airport (ADL)

  • Think about the pace you're looking for when deciding when to fly. December is the quietest month to go to Adelaide. November is when most people book flights from Washington DC to Adelaide Airport (ADL), which may be ideal if you'd rather travel when it's busy.

  • The warmest month in Adelaide is January, with temperatures ranging between 15ºC and 30ºC. Lock in your Washington DC to ADL plane ticket then if you enjoy this type of weather.

  • July has temperatures of between 7ºC and 14ºC. Search for cheap tickets from Washington DC to Adelaide Airport around that time if you want to travel in cooler conditions.

More about Adelaide

  • Start your Adelaide trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Washington DC to Adelaide Airport, browse our selection of accommodation options including:

  • There are so many things to do and see in this city, it can be hard to know where to start. St Peter's Cathedral, Adelaide Oval and Penfolds Winery are major attractions which should feature on any well-planned Adelaide itinerary.

Explore more of Australia

  • You've visited Adelaide, now it's time to explore other corners of Australia. Travel around 241 kms (150 miles) west to Port Lincoln to tick off its leading attractions. From Lincoln National Park to Winter Hill Lookout and Port Lincoln Railway Museum, you'll have a full itinerary ahead.

  • Around 209 kms (130 miles) north of Adelaide, Port Pirie is another essential stop in Australia. Experience the best of this destination with a visit to Port Pirie Military Museum, Port Pirie National Trust Museum and Port Pirie Regional Tourism and Arts Centre.

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

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