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$1,027+ 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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
18 Aug — 25 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 19 July 2026.

Tue 18/813:15
SYD
-
IAD
3 stops41h 59m
Multiple Airlines
Mon 31/810:45
IAD
-
SYD
3 stops35h 05m
Multiple Airlines
Deal found 15/7$1,306
Tue 11/813:15
SYD
-
IAD
3 stops35h 01m
Multiple Airlines
Wed 19/811:05
IAD
-
SYD
3 stops34h 45m
Multiple Airlines
Deal found 18/7$1,314
Fri 21/809:10
SYD
-
IAD
2 stops25h 46m
American Airlines
Fri 11/912:30
IAD
-
SYD
2 stops28h 35m
American Airlines
Deal found 16/7$1,352
Tue 25/806:15
SYD
-
IAD
3 stops48h 59m
Multiple Airlines
Thu 10/907:00
IAD
-
SYD
3 stops38h 50m
Multiple Airlines
Deal found 15/7$1,357
Thu 20/809:10
SYD
-
IAD
2 stops27h 42m
American Airlines
Sat 5/914:53
IAD
-
SYD
2 stops26h 12m
American Airlines
Deal found 16/7$1,402
Thu 6/809:10
SYD
-
IAD
2 stops25h 46m
American Airlines
Fri 28/814:53
IAD
-
SYD
2 stops26h 12m
American Airlines
Deal found 16/7$1,412
Thu 20/809:10
SYD
-
IAD
2 stops27h 42m
American Airlines
Tue 8/910:27
IAD
-
SYD
2 stops30h 38m
American Airlines
Deal found 16/7$1,452
Mon 3/813:15
SYD
-
IAD
3 stops33h 05m
Multiple Airlines
Tue 11/809:50
IAD
-
SYD
3 stops36h 00m
Multiple Airlines
Deal found 14/7$1,470
Wed 19/813:15
SYD
-
IAD
3 stops41h 59m
Multiple Airlines
Sun 23/806:20
IAD
-
SYD
3 stops50h 05m
Multiple Airlines
Deal found 14/7$1,476
Fri 7/813:15
SYD
-
IAD
3 stops33h 05m
Multiple Airlines
Sat 15/809:30
IAD
-
SYD
3 stops46h 55m
Multiple Airlines
Deal found 18/7$1,518
Mon 3/819:45
SYD
-
IAD
1 stop37h 45m
Air China
Tue 11/823:00
IAD
-
SYD
1 stop49h 50m
Air China
Deal found 14/7$1,618
Wed 12/819:40
SYD
-
IAD
2 stops49h 13m
Multiple Airlines
Wed 19/808:35
IAD
-
SYD
2 stops40h 15m
Multiple Airlines
Deal found 14/7$1,638

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 19 July 2026.

Return from

$1,306

One-way from

$1,027

Popular in

December

Cheapest in

September

Average price

$2,080
18/8-31/8
  • 18/8-31/8
  • 6 total stops
  • 77h 04m total
  • Sydney to Washington, D.C.
Search Deals
30/9
  • 30/9
  • 2 total stops
  • 29h 18m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($174 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($41 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 19 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

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

09:55-05:55

2 stops34h 00m

Washington, D.C. Dulles Intl

Tue 22/9

18:00-10:40

2 stops26h 40m

$1,861

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 21/12

10:10-05:26

2 stops35h 16m

Washington, D.C. Dulles Intl

Fri 1/1

22:00-08:05

1 stop42h 05m

$2,159

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

13:05-11:35

2 stops36h 30m

Washington, D.C. Dulles Intl

Tue 22/9

21:45-06:05

3 stops42h 20m

$2,279

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 7/8

09:30-11:55

2 stops40h 25m

Washington, D.C. Dulles Intl

Sat 15/8

22:10-06:55

1 stop42h 45m

$2,348

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

09:20-06:30

1 stop35h 10m

Washington, D.C. Dulles Intl

Sun 20/9

09:45-07:20

2 stops31h 35m

$2,445

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 6/8

20:45-06:39

2 stops23h 54m

Washington, D.C. Dulles Intl

Fri 28/8

17:47-18:50

3 stops35h 03m

$2,445

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 14/8

20:45-18:57

2 stops36h 12m

Washington, D.C. Dulles Intl

Fri 21/8

17:47-18:50

3 stops35h 03m

$2,543

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

$2,548

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 23/8

20:45-16:44

3 stops33h 59m

Washington, D.C. Dulles Intl

Tue 8/9

17:57-18:50

2 stops34h 53m

$2,551
Fastest return journey

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

12:00-21:25

1 stop23h 25m

Washington, D.C. Dulles Intl

Sun 20/9

17:48-06:25

1 stop22h 37m

$2,583

Flights are sorted by cheapest return flights first.

Deals found on 19/7

Showing 1-10 of 20 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 19 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
654 reviews
Check prices

Boarding

8.2

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

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
654 reviews
Air New Zealand
8.0
Very Good
654 reviews
Check prices

Boarding

8.2

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

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
1,062 reviews
Air New Zealand
8.0
Very Good
654 reviews
Check prices

Boarding

8.2

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

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
10,006 reviews
Air New Zealand
8.0
Very Good
654 reviews
Check prices

Boarding

8.2

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

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
11,821 reviews
Air New Zealand
8.0
Very Good
654 reviews
Check prices

Boarding

8.2

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

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
11,359 reviews
Air New Zealand
8.0
Very Good
654 reviews
Check prices

Boarding

8.2

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

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 (22 hours 46 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

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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.

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