Cheap Business Class flights to Washington, D.C. Dulles Intl Airport
SYD — IAD
6 May — 13 May1
Return
1 adult
Business
Best travel deals
Find the best flight deals available from hundreds of sites within secondsTrusted and free
Cheapflights is 100% free to use. No hidden charges!Book with flexibility
Easily find flight tickets with no change feesFind business class flight deals to Washington, D.C. Dulles Intl Airport
Cheapest business class flights to Dulles IntlExplore the most affordable business class flight options available to Dulles Intl. Find the lowest fares based on data from user searches, with prices last updated on 1 May 2025.
Explore the most affordable business class flight options available to Dulles Intl. Find the lowest fares based on data from user searches, with prices last updated on 1 May 2025.
Sat 26/720:55SYD - IAD
2 stops47h 07mANA
Thu 7/815:39IAD - SYD
2 stops61h 36mANA
Deal found 29/4$9,552
Sun 29/620:00MEL - IAD
2 stops48h 53mAir China
Thu 10/715:43IAD - MEL
2 stops56h 52mAir China
Deal found 29/4$10,122
Sat 26/707:55SYD - IAD
1 stop41h 20mKorean Air
Thu 7/813:30IAD - SYD
1 stop26h 50mKorean Air
Deal found 29/4$11,415
Mon 30/607:25MEL - IAD
2 stops37h 25mMultiple Airlines
Sun 20/720:19IAD - MEL
2 stops35h 56mMultiple Airlines
Deal found 30/4$12,254
Sat 26/709:20SYD - IAD
2 stops25h 41mAir Canada
Thu 7/813:03IAD - SYD
3 stops28h 17mAir Canada
Deal found 29/4$16,124
Travel insights for business class flights from Australia to Dulles Intl
Get recent, data-driven insights about business class flights from Australia to Dulles Intl including ideal travel times, pricing trends, and more.
Rainfall in Dulles Intl by month
Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.
Temperature in Dulles Intl by month
Plan your trip to Dulles Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).