Find flights
Airlines

$690+ Cheap flights to Dulles Intl

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
23 Aug — 30 Aug1
1 adult
1 adult, Economy, 0 bags

Flights to Dulles Intl in 2026

Enter your travel dates to find the best prices.

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 24 July 2026.

Fri 4/913:15
SYD
-
IAD
3 stops40h 52m
Multiple Airlines
Fri 11/907:00
IAD
-
SYD
3 stops38h 50m
Multiple Airlines
Deal found 21/7$1,389
Tue 11/806:15
SYD
-
IAD
3 stops48h 59m
Multiple Airlines
Wed 19/811:05
IAD
-
SYD
3 stops34h 45m
Multiple Airlines
Deal found 20/7$1,422
Sun 1/1116:50
SYD
-
IAD
1 stop32h 15m
Etihad Airways
Sat 14/1114:35
IAD
-
SYD
1 stop47h 55m
Etihad Airways
Deal found 22/7$1,634
Mon 27/709:30
SYD
-
IAD
2 stops35h 48m
United Airlines
Wed 29/707:00
IAD
-
SYD
1 stop34h 00m
United Airlines
Deal found 24/7$1,674
Sun 1/1114:00
SYD
-
IAD
3 stops31h 51m
Multiple Airlines
Fri 4/1207:00
IAD
-
SYD
3 stops37h 35m
Multiple Airlines
Deal found 21/7$1,760
Sun 6/913:15
SYD
-
IAD
3 stops30h 25m
Multiple Airlines
Sun 13/907:00
IAD
-
SYD
3 stops49h 25m
Multiple Airlines
Deal found 23/7$1,767
Thu 1/1019:40
SYD
-
IAD
2 stops49h 41m
Air China
Mon 5/1015:36
IAD
-
SYD
2 stops57h 14m
Air China
Deal found 21/7$1,813
Thu 23/719:40
SYD
-
IAD
1 stop37h 50m
Multiple Airlines
Wed 5/822:20
IAD
-
SYD
2 stops74h 30m
Multiple Airlines
Deal found 21/7$1,819
Sat 8/813:15
SYD
-
IAD
3 stops37h 32m
Multiple Airlines
Sun 16/807:48
IAD
-
SYD
3 stops48h 37m
Multiple Airlines
Deal found 19/7$1,826
Wed 9/909:55
SYD
-
IAD
2 stops26h 50m
Air New Zealand
Tue 22/917:55
IAD
-
SYD
2 stops24h 50m
Air New Zealand
Deal found 21/7$1,827
Thu 10/911:55
SYD
-
IAD
2 stops24h 50m
Air New Zealand
Fri 11/915:15
IAD
-
SYD
2 stops29h 25m
Air New Zealand
Deal found 23/7$1,837

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 647,157 searches and data was last updated on 24 July 2026.

Return from

$1,352

One-way from

$690

Popular in

December

Cheapest in

September

Average price

$2,079
2/9-9/9
  • 2/9-9/9
  • 6 total stops
  • 79h 42m total
  • Sydney to Washington, D.C.
Search Deals
23/8
  • 23/8
  • 3 total stops
  • 56h 49m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($175 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($40 potential savings vs. average return price).
Search Deals
Average for return flights in July 2026
Search Deals

Cheapflights Fare Finder

 
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 647,157 searches and data was last updated on 24 July 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
Fastest return journey

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

11:55-05:55

2 stops32h 00m

Washington, D.C. Dulles Intl

Tue 22/9

18:00-10:40

2 stops26h 40m

$1,860

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

09:55-05:55

2 stops34h 00m

Washington, D.C. Dulles Intl

Sun 20/9

18:00-08:45

2 stops24h 45m

$1,869

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 1/11

21:40-16:14

2 stops34h 34m

Washington, D.C. Dulles Intl

Fri 4/12

17:25-19:45

3 stops34h 20m

$2,160

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

21:05-11:35

2 stops52h 30m

Washington, D.C. Dulles Intl

Tue 22/9

21:45-06:05

3 stops42h 20m

$2,180

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

21:05-11:35

2 stops52h 30m

Washington, D.C. Dulles Intl

Sun 20/9

21:45-06:05

3 stops42h 20m

$2,180

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 1/10

21:05-19:50

2 stops36h 45m

Washington, D.C. Dulles Intl

Mon 5/10

21:45-07:05

3 stops42h 20m

$2,183

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 29/8

20:45-18:14

3 stops35h 29m

Washington, D.C. Dulles Intl

Sun 13/9

17:57-18:50

2 stops34h 53m

$2,233
Cheapest one-way

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 13/10

14:15-19:09

3 stops43h 54m

$700

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 3/9

09:55-00:30

2 stops28h 35m

$1,107

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 10/9

19:40-06:53

2 stops49h 13m

$1,132

Flights are sorted by cheapest return flights first.

Deals found on 23/7

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.
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

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.

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 24 July 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.
Air New Zealand
8.0
Very Good
655 reviews
Check prices

Food

7.5

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air New Zealand
8.0
Very Good
655 reviews
Air New Zealand
8.0
Very Good
655 reviews
Check prices

Food

7.5

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Qantas Airways
7.5
Good
1,067 reviews
Air New Zealand
8.0
Very Good
655 reviews
Check prices

Food

7.5

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
United Airlines
7.4
Good
10,034 reviews
Air New Zealand
8.0
Very Good
655 reviews
Check prices

Food

7.5

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
American Airlines
7.1
Good
11,851 reviews
Air New Zealand
8.0
Very Good
655 reviews
Check prices

Food

7.5

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air Canada
7.1
Good
11,382 reviews
Air New Zealand
8.0
Very Good
655 reviews
Check prices

Food

7.5

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.

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.

  • What is the best airline to fly to Dulles Intl?

    Based on reviews from Cheapflights users, American Airlines 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 $270, while return flights cost around $591.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $736, however they can be found for as little as $591.

  • Where does the fastest flight to Dulles Intl depart from?

    For those looking to save time traveling to Dulles Intl, Sydney Kingsford Smith offers the quickest one-way flight (20 hours 53 minutes).

  • Does Washington, D.C. Dulles Intl have car hire?

    Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the car hire services offered upon their arrival.

  • 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).

See more FAQs

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Laurel
Linthicum Heights

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Dulles Intl by cabin class

Find flights to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class flights to Washington, D.C. Dulles Intl Airport
Business Class flights to Washington, D.C. Dulles Intl Airport
Prem Economy Class flights to Washington, D.C. Dulles Intl Airport
Economy Class flights to Washington, D.C. Dulles Intl Airport

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.