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Cheap Flights from Baltimore Washington International to Sydney

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      Travellers and cabin class, 1 Adult, Economy

      Compare Baltimore Washington International to Sydney flight deals

      Find the cheapest month or even day of the year to fly to Sydney

      Book the best Sydney fare with no extra fees

      Flight deals from Baltimore Washington International to Sydney

      Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to Sydney Airport? If you want to travel next month, return fares start from R 17,885. Find the lowest prices on one-way and return tickets right here.
      Sydney.R 10,455 per passenger.Departing Mon, 7 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Baltimore Washington International on Mon, 7 Dec, arriving in Sydney.Price includes taxes and charges.From R 10,455, select.
      Sydney.R 10,614 per passenger.Departing Sat, 7 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 7 Nov, arriving in Sydney.Price includes taxes and charges.From R 10,614, select.
      Sydney.R 10,624 per passenger.Departing Tue, 20 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 20 Oct, arriving in Sydney.Price includes taxes and charges.From R 10,624, select.
      Sydney.R 11,195 per passenger.Departing Tue, 16 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Tue, 16 Feb, arriving in Sydney.Price includes taxes and charges.From R 11,195, select.
      Sydney.R 11,202 per passenger.Departing Tue, 26 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Tue, 26 Jan, arriving in Sydney.Price includes taxes and charges.From R 11,202, select.
      Sydney.R 11,771 per passenger.Departing Sat, 26 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 26 Sep, arriving in Sydney.Price includes taxes and charges.From R 11,771, select.
      Sydney.R 12,588 per passenger.Departing Tue, 9 Mar.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Baltimore Washington International on Tue, 9 Mar, arriving in Sydney.Price includes taxes and charges.From R 12,588, select.
      Sydney.R 14,532 per passenger.Departing Thu, 15 Apr.One-way flight with Qantas.Outbound indirect flight with Qantas, departs from Baltimore Washington International on Thu, 15 Apr, arriving in Sydney.Price includes taxes and charges.From R 14,532, select.
      Sydney.R 14,540 per passenger.Departing Wed, 30 Jun.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Baltimore Washington International on Wed, 30 Jun, arriving in Sydney.Price includes taxes and charges.From R 14,540, select.
      Sydney.R 15,855 per passenger.Departing Tue, 18 May.One-way flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Tue, 18 May, arriving in Sydney.Price includes taxes and charges.From R 15,855, select.
      Sydney.R 17,092 per passenger.Departing Wed, 21 Jul.One-way flight with Qantas.Outbound indirect flight with Qantas, departs from Baltimore Washington International on Wed, 21 Jul, arriving in Sydney.Price includes taxes and charges.From R 17,092, select.
      Sydney.R 55,232 per passenger.Departing Mon, 16 Aug.One-way flight with Air China.Outbound indirect flight with Air China, departs from Baltimore Washington International on Mon, 16 Aug, arriving in Sydney.Price includes taxes and charges.From R 55,232, select.

      Find the cheapest month to fly from Baltimore Washington International to Sydney

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Sydney flights are currently cheapest in December.
      Sep
      from R 11,771
      Oct
      from R 10,624
      Nov
      from R 10,614
      Dec
      from R 10,455
      Jan
      from R 11,202
      Feb
      from R 11,195
      Mar
      from R 12,588
      Apr
      from R 14,532
      May
      from R 15,855
      Jun
      from R 14,540
      Jul
      from R 17,092
      Aug
      from R 55,232

      Baltimore Washington International to Sydney: Alternative routes

      Compare routes from Baltimore Washington International to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

      Sydney

      9km from central Sydney
      ClosestCheapest
      from R 10,455
      Search flights

      Wollongong

      86km from central Sydney
      Search flights

      Washington D.C. to Sydney: Flight information

      The things to know before you go.
      Cheapest flight foundR 10,455
      Cheapest month to flyDecember

      Finding cheap flights from Baltimore Washington International to Sydney: Frequently asked questions

      The best price we found for a return flight from Baltimore Washington International to Sydney is R 17,885. 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 Baltimore Washington International to Sydney. But we found flights with one or more stops from R 17,885.
      As of September 2026, there are no flights flying from Baltimore Washington International to Sydney.
      The cheapest month to fly from Baltimore Washington International to Sydney is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Sydney Airport on Tuesday, 20 October 2026.
      No airlines currently offer direct flights between Baltimore Washington International Airport and Sydney 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 Sydney 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 Sydney is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines offers the cheapest flight tickets to Sydney.

      Flying from Baltimore Washington International Airport (BWI) to Sydney Airport (SYD): what you need to know

      • The timezone in Sydney is UTC+11, which is 16 hours ahead of Washington DC.

      • Arrive at the airport on time so you don't miss your BWI to SYD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

      • You can expect longer lines in popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a wise move.

      • Think about adding a stopover when booking your ticket from Baltimore Washington International Airport to Sydney Airport. Simply deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here are some options between BWI and SYD:

        • Los Angeles International Airport

        • Houston George Bush Intercntl. Airport

        • San Francisco International Airport

      How to find the cheapest flights from Baltimore Washington International Airport (BWI) to Sydney Airport (SYD)

      • Right now, R 10,455 is the cheapest price we've seen for a one-way Baltimore Washington International Airport to Sydney Airport flight. The best price for a return ticket is R 17,885. Bear in mind that fares can change due to availability at the time of booking.

      • It's a good idea to book ahead of time if you're hoping to get cheap tickets from BWI to SYD. That's because flight prices are based on demand, which tends to rise closer to the date of departure.

      • If you're flexible with your trip dates, try using the 'Whole month' search function. It'll find the cheapest price across each month when searching for your flight from Baltimore Washington International Airport to Sydney Airport.

      • Save time searching for cheap flights from BWI to SYD by creating a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.

      • Select your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Baltimore Washington International Airport to Sydney Airport.

      Handy information about Baltimore Washington International Airport (BWI)

      • 77% of flights that leave from Baltimore Washington International Airport arrive at their destination on time.

      • Central Washington DC to Baltimore Washington International Airport is approximately 48 kilometres. Depending on traffic, it'll take about 40 minutes to get there if you're ride-sharing, catching a taxi or driving.

      • You can expect a trip time of about 50 minutes when using public transport.

      • Get your travels off to a hassle-free start by staying near BWI. Whether you're boarding an early flight from Baltimore Washington International Airport to Sydney Airport or just don't like being rushed, these hotels are the answer:

      Arriving at Sydney Airport (SYD)

      • If you're getting in on a late Baltimore Washington International Airport to Sydney Airport flight, few things top the convenience of being close to the terminal. Pick up your bags from the carousel and then be showered and relaxing shortly after at one of these accommodation options near SYD:

      • Fast-track your adventure by picking up a Sydney Airport rental car. Grab your wheels from simba car rental, Bargain Car Rentals or Yes Drive to explore Sydney and beyond.

      • Lock in the best possible rate by booking your vehicle from Sydney Airport around two weeks before your trip.

      When to fly to Sydney Airport (SYD)

      • The quietest month for a flight from Baltimore Washington International Airport to Sydney Airport is March, while July is the most popular. Choose the best time to visit Sydney based on whether you prefer a faster pace or a more relaxed vibe.

      • Book your flight from Baltimore Washington International Airport to Sydney Airport for January if you want to go to Sydney during its warmest month. Expect temperatures of between 17ºC (63ºF) and 32ºC (90ºF).

      • Search for cheap tickets from BWI to SYD in July if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 5ºC (41ºF) and 19ºC (66ºF) on average.

      Explore more of Australia

      • Canberra is just one of the many cities in Australia waiting to be explored once you've taken in the sights of Sydney. Around 241 kilometres away to the south-west, popular attractions include National Gallery of Australia, National Portrait Gallery and Museum of Australian Democracy.

      • Around 121 kilometres north-east of Sydney, Newcastle is another favourite stop in Australia. No visit is complete without checking out Merewether Beach, Nobbys Beach and Newcastle Beach.

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

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