August is the cheapest month to fly this route, with average fares around $1401 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $1542 | $1329 | Peak | |
| June 2026 | $1519 | $1193 | ||
| July 2026 | $1525 | $1126 | ||
| August 2026 | $1401 | $1126 | Best |
Departing on Saturday offers the lowest average fares at $1303. Friday departures are the most expensive at $1708, a difference of $405.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Dallas to Sydney is August, with average round-trip fares around $1401. The lowest fare found in August is $1126.
Saturday departures are the cheapest, averaging $1303 round trip. The most expensive day is Friday at $1708.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $1542 compared to $1401 in the cheapest month. July is a solid middle-ground option at $1525.
Flying in August instead of May can save you approximately $141 per round trip. The cheapest month averages $1401 while the most expensive averages $1542.
Airlines, flight times, price calendar, and more for Dallas to Sydney
View DFW → SYD Details