Washington (IAD) → Sydney (SYD)
About Washington to Sydney Flights
Discover the best flights from Washington to Sydney, covering 15,681 km in approximately 20h 6m. Washington (IAD) to Sydney (SYD) is one of the major long-haul routes connecting United States and Australia. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Washington to Sydney.
12-Month Price History
Flight prices from Washington to Sydney vary significantly throughout the year. February typically offers the best deals with average prices around $2728, while July sees the highest prices, averaging $4571. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
170 days
For best prices
Booking Tips
For the best prices on Washington to Sydney flights, we recommend booking 117 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
Airline | Economy | Business | First |
---|---|---|---|
Qantas QF | $4310 | $13910 | $23580 |
American Airlines AA | $4400 | $13750 | $22300 |
Virgin Australia VA | $4460 | $15090 | $21540 |
United Airlines UA | $4880 | $16990 | $21610 |
Jetstar Airways JQ | $5220 | $16430 | $26370 |
Delta Air Lines DL | $5340 | $15520 | $23020 |
British Airways BA | $5520 | $17430 | $25100 |
Qantas
QF
Economy
$4310
Business
$13910
First
$23580
American Airlines
AA
Economy
$4400
Business
$13750
First
$22300
Virgin Australia
VA
Economy
$4460
Business
$15090
First
$21540
United Airlines
UA
Economy
$4880
Business
$16990
First
$21610
Jetstar Airways
JQ
Economy
$5220
Business
$16430
First
$26370
Delta Air Lines
DL
Economy
$5340
Business
$15520
First
$23020
British Airways
BA
Economy
$5520
Business
$17430
First
$25100
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Washington → Sydney
Ronald Reagan Washington National (DCA) to Sydney Kingsford Smith (SYD)
Distance: 15,715 km
Average price: $3194
Don't Forget Travel Insurance!
Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to Sydney, Australia.
- Medical coverage up to $250,000
- Trip interruption & delays covered
- Lost luggage protection included
From just $45/month • Works in 180+ countries • COVID-19 coverage included
Trusted by 100,000+ travelers
Frequently Asked Questions
How long is the flight from Washington to Sydney?
The flight time from Washington (IAD) to Sydney (SYD) is approximately 20 hours and 6 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Washington and Sydney?
The aerial distance between Washington and Sydney is 15,681 kilometers (9,744 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Washington to Sydney?
Several airlines operate flights between Washington and Sydney, including United Airlines, Qantas, Jetstar Airways and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Washington to Sydney?
Based on historical data, February typically offers the lowest airfares for flights from Washington to Sydney. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Sydney?
For the best prices on Washington to Sydney flights, we recommend booking 158 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Washington to Sydney?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Australia should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Washington and Sydney?
Washington operates on America/New_York time zone, while Sydney is in the Australia/Sydney time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.