This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
4 Dec — 11 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Flights to Dulles Intl in 2026
Enter your travel dates to find the best prices.
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Best
Last-minute
One-way
Cheapest flights to Dulles Intl Airport
Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 4 November 2026.
Thu 12/1111:10 -
1 stop34h 28m
Mon 16/1107:14 -
2 stops33h 46m
Deal found 2/11$1,050
Thu 3/1211:10 -
2 stops23h 04m
Sat 5/1217:10 -
2 stops47h 50m
Deal found 31/10$1,053
Sun 15/1120:45 -
2 stops42h 45m
Tue 8/1207:18 -
2 stops33h 42m
Deal found 31/10$1,095
Fri 4/1211:10 -
2 stops26h 55m
Sun 6/1207:14 -
2 stops33h 46m
Deal found 31/10$1,123
Wed 18/1111:10 -
1 stop34h 28m
Thu 26/1107:08 -
2 stops33h 52m
Deal found 30/10$1,125
Fri 13/1110:40 -
2 stops28h 41m
Sun 22/1112:01 -
2 stops28h 29m
Deal found 31/10$1,129
Mon 16/1110:30 -
1 stop48h 00m
Tue 8/1222:00 -
1 stop42h 05m
Deal found 31/10$1,691
Mon 16/1110:30 -
1 stop48h 00m
Fri 11/1222:00 -
1 stop42h 05m
Deal found 31/10$1,792
Tue 3/1116:50 -
1 stop32h 10m
Tue 17/1114:25 -
1 stop48h 05m
Deal found 1/11$1,795
Mon 16/1110:30 -
1 stop48h 00m
Mon 7/1208:35 -
2 stops56h 00m
Deal found 31/10$1,841
Tue 24/1110:30 -
2 stops59h 05m
Tue 8/1222:00 -
1 stop42h 05m
Deal found 30/10$1,851
Best flights to Dulles Intl Airport
Discover carefully curated flight deals to Dulles Intl Airport that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 November 2026.
Mon 30/1110:30 -
1 stop48h 00m
Tue 8/1222:00 -
1 stop42h 05m
Deal found 30/10$2,019
Tue 10/1121:30 -
1 stop51h 30m
Thu 19/1114:25 -
1 stop48h 05m
Deal found 3/11$2,105
Thu 12/1110:30 -
2 stops34h 49m
Fri 20/1122:00 -
1 stop42h 05m
Deal found 3/11$2,108
Sun 22/1121:35 -
2 stops37h 50m
Mon 30/1121:20 -
2 stops54h 05m
Deal found 3/11$2,128
Wed 11/1110:40 -
2 stops28h 41m
Fri 20/1115:00 -
2 stops25h 30m
Deal found 1/11$2,141
Thu 12/1115:50 -
1 stop40h 05m
Mon 16/1120:05 -
1 stop42h 45m
Deal found 3/11$2,562
Tue 1/1214:05 -
1 stop25h 04m
Thu 31/1217:50 -
2 stops25h 15m
Deal found 3/11$2,707
Thu 12/1121:30 -
1 stop51h 30m
Fri 20/1114:25 -
1 stop48h 05m
Deal found 1/11$2,121
Last-minute flights to Dulles Intl Airport
Discover last-minute flight deals to Dulles Intl Airport. Data last updated 4 November 2026 and is based on user searches.
Tue 3/1116:50 -
1 stop32h 10m
Tue 17/1114:25 -
1 stop48h 05m
Deal found 1/11$1,795
Thu 12/1111:10 -
1 stop34h 28m
Mon 16/1107:14 -
2 stops33h 46m
Deal found 2/11$1,050
Fri 13/1114:05 -
1 stop20h 14m
Sun 22/1114:42 -
1 stop24h 13m
Deal found 2/11$1,125
Fri 13/1110:40 -
2 stops28h 41m
Sun 22/1112:01 -
2 stops28h 29m
Deal found 31/10$1,129
Sun 15/1120:45 -
2 stops42h 45m
Tue 8/1207:18 -
2 stops33h 42m
Deal found 31/10$1,095
Mon 16/1110:30 -
1 stop48h 00m
Tue 8/1222:00 -
1 stop42h 05m
Deal found 31/10$1,691
Mon 16/1110:30 -
1 stop48h 00m
Fri 11/1222:00 -
1 stop42h 05m
Deal found 31/10$1,792
Mon 16/1110:30 -
1 stop48h 00m
Thu 10/1208:35 -
2 stops55h 30m
Deal found 31/10$1,841
Mon 23/1110:30 -
1 stop48h 00m
Tue 1/1222:00 -
1 stop42h 05m
Deal found 4/11$1,599
Thu 3/1211:10 -
1 stop34h 24m
Sun 6/1206:00 -
1 stop35h 00m
Deal found 31/10$1,053
Fri 4/1211:10 -
2 stops26h 55m
Sun 6/1207:14 -
2 stops33h 46m
Deal found 31/10$1,123
One-way flights to Dulles Intl Airport
Search for one-way flight options to Dulles Intl Airport. Find affordable one-way fares based on user searches. Data last updated 4 November 2026.
Tue 19/113:35 -
2 stops25h 42m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10$618
Fri 29/110:40 -
2 stops28h 51m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11$701
Fri 5/310:40 -
2 stops29h 51m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10$702
Tue 16/214:00 -
3 stops40h 43m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/10$726
Tue 2/314:00 -
3 stops40h 43m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10$771
Fri 5/314:00 -
3 stops31h 31m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10$897
Mon 15/210:30 -
1 stop48h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/10$956
Mon 11/110:30 -
1 stop48h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10$957
Sat 16/120:40 -
2 stops43h 16m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/11$971
Mon 11/114:00 -
2 stops44h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10$979
Tue 19/110:30 -
3 stops48h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10$1,027
Tue 2/310:30 -
2 stops51h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10$1,047
Find flight deals to Dulles Intl Airport
Find the latest flights to Dulles Intl in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 7,457,451 searches and data was last updated on 4 November 2026.
Locate flights to Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 7,457,451 searches and data was last updated on 4 November 2026.
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Route
Depart
Return
Price
Cheapest return flight
SydneyWashington, D.C.
SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl
SYDIAD
Sydney Kingsford Smith
Fri 29/1
10:40-23:31
2 stops28h 51m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$701
SydneyWashington, D.C.
SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl
SYDIAD
Sydney Kingsford Smith
Tue 16/2
16:50-09:00
1 stop32h 10m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$1,133
SydneyWashington, D.C.
SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl
SYDIAD
Sydney Kingsford Smith
Sat 20/3
21:40-23:55
2 stops41h 15m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$1,520
SydneyWashington, D.C.
SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl
SYDIAD
Sydney Kingsford Smith
Sat 20/3
21:35-20:25
2 stops37h 50m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$1,529
SydneyWashington, D.C.
SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl
SYDIAD
Sydney Kingsford Smith
Fri 4/12
21:40-17:39
2 stops35h 59m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$1,595
SydneyWashington, D.C.
SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl
SYDIAD
Sydney Kingsford Smith
Sat 20/3
13:05-22:48
1 stop24h 43m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$1,752
Fastest return journey
SydneyWashington, D.C.
SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl
SYDIAD
Sydney Kingsford Smith
Sun 20/12
21:40-05:45
2 stops24h 05m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$1,970
SydneyWashington, D.C.
SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl
SYDIAD
Sydney Kingsford Smith
Mon 30/11
10:30-18:30
1 stop48h 00m
Washington, D.C. Dulles Intl
Tue 8/12
22:00-08:05
1 stop42h 05m
$2,019
SydneyWashington, D.C.
SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl
SYDIAD
Sydney Kingsford Smith
Tue 10/11
21:30-09:00
1 stop51h 30m
Washington, D.C. Dulles Intl
Thu 19/11
14:25-06:30
1 stop48h 05m
$2,105
SydneyWashington, D.C.
SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl
SYDIAD
Sydney Kingsford Smith
Thu 12/11
10:30-05:19
2 stops34h 49m
Washington, D.C. Dulles Intl
Fri 20/11
22:00-08:05
1 stop42h 05m
$2,108
Flights are sorted by cheapest return flights first.
Deals found on 3/11
Showing 1-10 of 17 resultsSorted by cheapest first
1
2
Best time to book a flight to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl with our price prediction graph.
SYD-IAD
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight to Washington, D.C. Dulles Intl Airport
Airlines
More
What are the cheapest airlines that fly to Dulles Intl?
The cheapest airlines flying from Sydney to Dulles Intl are Qantas Airways, Air Canada and Air New Zealand.
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 Dulles Intl 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 Dulles Intl 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 Dulles Intl, 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).
How long is the flight to Dulles Intl?
On average, a flight from Sydney to Dulles Intl takes 20 hours 9 minutes. Flights to Dulles Intl from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 4 November 2026.
See what other customers who have flown with Air New Zealand,Qantas Airways, andUnited Airlines to the United States have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
FAQs about flying to Dulles Intl
Can I find cheaper flights to Dulles Intl if I am willing to have stopovers?
Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.
Based on reviews from Cheapflights users, Air New Zealand is rated the highest out of the airlines that fly to Dulles Intl.
What is the cheapest airport to fly to in Dulles Intl?
Washington, D.C. Dulles Intl is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl typically cost $674, while return flights cost around $455.
Are there hotels close to Washington, D.C. Dulles Intl?
Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 km away from Washington, D.C. Dulles Intl).
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights to Dulles Intl?
Deals for Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets to Dulles Intl?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Dulles Intl.
Can Cheapflights find flights to Dulles Intl with no change fees?
Yes, we can. To see specific flights to Dulles Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights to Dulles Intl become cheaper?
Not ready to book yet? You can track prices for flights to Dulles Intl on Cheapflights with our Price Alerts feature and get notified when better prices are available.
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