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Find the Cheapest Flights to Sydney

Unlock the cheapest flights and the best airfares to Sydney. Make your dream trip both memorable and affordable!

Airline Frontier Airlines icon
Mon, Jun 1WAS-SYD
Frontier Airlines
oneway$792
Airline American Airlines icon
Thu, Jun 25WAS-SYD
American Airlines
$1,479

Washington Dulles International Airport to Sydney: Flight information

Cheapest flight found$792
Cheapest month to flyJune
Most popular airlineFrontier Airlines
Average flight duration1d 9h 10m

Cheapest flight found

Jun 2026

$792

Airlines price comparison

Airlines
Cheapest Airline
Frontier Airlines
Cheapest Month
Jun
Cheapest Day of The Week
Mon
Airline: Frontier Airlines
$792
Airline: American Airlines
$1,479

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