Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $431
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Sydney departing on 9/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Delta flights from Washington, D.C. Reagan-National Airport to Sydney
Our best Delta deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets
Fiji Airways flights from Washington, D.C. Reagan-National Airport to Sydney
Our best Fiji Airways deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets
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How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Sydney
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Sydney?
In general, October is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $852. If you are unable to visit Sydney during the month of October, then departing from Washington, D.C. Reagan-National Airport during the month March is also very affordable. Most momondo users find prices during this month for around $864.
What is the cheapest day to depart on your flight to Sydney?
The cheapest day to depart from Washington, D.C. Reagan-National Airport to Sydney is on a Tuesday when prices can be found for as low as $1,353. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,485.
What is the cheapest time of day to depart on your flight to Sydney?
According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to Sydney at noon for as low as $1,219. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the evening, with an average ticket price of $1,464. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Sydney?
You are more likely to see cheaper flights to Sydney from Washington, D.C. Reagan-National Airport when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,156 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Washington, D.C. Reagan-National Airport for as low as $833 on momondo.
What is the cheapest airline that flies from Washington, D.C. Reagan-National to Sydney Kingsford Smith?
Delta, Fiji Airways, and Qantas Airways are the most popular carriers operating from Washington, D.C. Reagan-National to Sydney Kingsford Smith
What airlines fly to Sydney?
American Airlines, Qantas Airways and Delta are the top three most popular airlines that fly to Sydney from Washington, D.C. Reagan-National Airport according to our data. American Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 4 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.
When to book flights from Washington, D.C. Reagan-National Airport to Sydney
Cheap Washington, D.C. Reagan-National Airport to Sydney (DCA to SYD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Sydney
How far is Washington, D.C. Reagan-National to Sydney Kingsford Smith by plane?
The straight-line distance from Washington, D.C. Reagan-National to Sydney Kingsford Smith is 9755.0 mi. In terms of flight time, this usually takes a little over 21h 55m.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport?
As of June 2025, there are 4 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. Reagan-National Airport to Sydney?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Reagan-National Airport to Sydney is American Airlines, representing 58% of all bookings. The subsequent popular airlines are Qantas Airways at 18%, Delta at 14%, and United Airlines at 10%.
Best airlines flying from Washington, D.C. Reagan-National Airport to Sydney
Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Sydney with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $346 | Free Cancellation | Rating 7.4 8,809 reviews | |||
| PriceFrom $815 | Free Cancellation | Rating 7.5 860 reviews | |||
| PriceFrom $832 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $848 | Free Cancellation | Rating 8.0 7,965 reviews |
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Why should I use momondo to find a flight deal from Washington, D.C. to Sydney?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Sydney. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Washington, D.C. to Sydney with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Sydney from Washington, D.C. with this policy.
How can momondo help me find flights from Washington, D.C. to Sydney?
momondo provides multiple filters to help you find the best flight to Sydney from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Washington, D.C. to Sydney right now. Can momondo alert me if prices change?
Price alerts on flights to Sydney from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.