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 $2751, while July sees the highest prices, averaging $4651. Savvy travelers can save up to 41% 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
118 days
For best prices
Booking Tips
For the best prices on Washington to Sydney flights, we recommend booking 118 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 |
|---|---|---|---|
United Airlines UA | $4320 | $16270 | $26330 |
Virgin Australia VA | $4420 | $19730 | $27750 |
American Airlines AA | $4550 | $19940 | $27090 |
Delta Air Lines DL | $4820 | $17510 | $30860 |
British Airways BA | $4870 | $18880 | $29670 |
Qantas QF | $5280 | $20570 | $27450 |
Jetstar Airways JQ | $5580 | $16810 | $28280 |
United Airlines
UA
Economy
$4320
Business
$16270
First
$26330
Virgin Australia
VA
Economy
$4420
Business
$19730
First
$27750
American Airlines
AA
Economy
$4550
Business
$19940
First
$27090
Delta Air Lines
DL
Economy
$4820
Business
$17510
First
$30860
British Airways
BA
Economy
$4870
Business
$18880
First
$29670
Qantas
QF
Economy
$5280
Business
$20570
First
$27450
Jetstar Airways
JQ
Economy
$5580
Business
$16810
First
$28280
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
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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 155 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.