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$1,022+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
10 May — 17 May1
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 10 April 2026.

Sat 23/513:15
SYD
-
IAD
3 stops32h 57m
Multiple Airlines
Sat 30/509:12
IAD
-
SYD
3 stops36h 38m
Multiple Airlines
Deal found 7/4$1,540
Wed 29/413:15
SYD
-
IAD
3 stops36h 20m
Multiple Airlines
Thu 7/507:40
IAD
-
SYD
3 stops38h 10m
Multiple Airlines
Deal found 10/4$1,623
Thu 16/719:40
SYD
-
IAD
1 stop37h 50m
Air China
Mon 20/717:48
IAD
-
SYD
2 stops55h 02m
Air China
Deal found 9/4$1,646
Thu 16/719:40
SYD
-
IAD
1 stop37h 50m
Multiple Airlines
Sun 26/722:20
IAD
-
SYD
2 stops74h 30m
Multiple Airlines
Deal found 8/4$1,654
Thu 21/506:00
SYD
-
IAD
3 stops40h 12m
Multiple Airlines
Thu 28/511:07
IAD
-
SYD
3 stops34h 43m
Multiple Airlines
Deal found 6/4$1,708
Thu 28/513:15
SYD
-
IAD
3 stops32h 57m
Multiple Airlines
Wed 3/609:12
IAD
-
SYD
3 stops36h 38m
Multiple Airlines
Deal found 7/4$1,717
Wed 1/719:40
SYD
-
IAD
2 stops49h 07m
Multiple Airlines
Wed 19/808:25
IAD
-
SYD
2 stops40h 25m
Multiple Airlines
Deal found 8/4$1,752
Thu 7/519:40
SYD
-
IAD
2 stops67h 05m
Air China
Thu 14/506:10
IAD
-
SYD
2 stops66h 40m
Air China
Deal found 7/4$1,882

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 10 April 2026.

Return from

$1,504

One-way from

$1,022

Popular in

April

Cheapest in

September

Average price

$2,216
23/5-30/5
  • 23/5-30/5
  • 6 total stops
  • 76h 34m total
  • Sydney to Washington, D.C.
Search Deals
9/5
  • 9/5
  • 3 total stops
  • 27h 27m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($197 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($43 potential savings vs. average return price).
Search Deals
Average for return flights in April 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 10 April 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

Tue 28/4

20:45-00:09

2 stops41h 24m

Washington, D.C. Dulles Intl

Wed 6/5

19:20-18:50

2 stops33h 30m

$2,221

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 14/5

20:45-07:34

2 stops24h 49m

Washington, D.C. Dulles Intl

Fri 29/5

17:35-18:50

2 stops35h 15m

$2,347

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 22/5

20:45-17:42

3 stops34h 57m

Washington, D.C. Dulles Intl

Fri 29/5

17:35-18:50

2 stops35h 15m

$2,349

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 24/5

17:50-11:49

2 stops31h 59m

Washington, D.C. Dulles Intl

Sun 31/5

12:55-07:30

2 stops28h 35m

$2,419

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 8/5

20:45-17:41

3 stops34h 56m

Washington, D.C. Dulles Intl

Fri 15/5

17:35-18:50

2 stops35h 15m

$2,457

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 25/5

09:20-06:22

1 stop35h 02m

Washington, D.C. Dulles Intl

Mon 1/6

22:10-07:20

2 stops43h 10m

$2,580

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 22/7

10:20-16:25

1 stop20h 05m

Washington, D.C. Dulles Intl

Tue 28/7

22:21-06:55

1 stop42h 34m

$2,589
Fastest return journey

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 16/7

10:20-21:18

1 stop24h 58m

Washington, D.C. Dulles Intl

Sun 26/7

17:48-07:00

1 stop23h 12m

$2,592

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 26/4

20:45-18:10

1 stop35h 25m

Washington, D.C. Dulles Intl

Mon 4/5

21:00-17:30

1 stop30h 30m

$2,624

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 27/6

09:15-09:21

2 stops38h 06m

Washington, D.C. Dulles Intl

Tue 18/8

07:25-06:50

2 stops33h 25m

$2,638

Flights are sorted by cheapest return flights first.

Deals found on 5/4

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

When is the best time to book a flight to Dulles Intl?

Use this chart to determine the optimal time to book a return flight from Sydney to Dulles Intl. Price data was last updated on 10 April 2026.

To ensure you get the cheapest price possible for a flight to Dulles Intl, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 10 April 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
627 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.4

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very Good
627 reviews
Air New Zealand
8.0
Very Good
627 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.4

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Qantas Airways
7.5
Good
1,018 reviews
Air New Zealand
8.0
Very Good
627 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.4

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,565 reviews
Air New Zealand
8.0
Very Good
627 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.4

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
American Airlines
7.1
Good
11,568 reviews
Air New Zealand
8.0
Very Good
627 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.4

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air Canada
7.1
Good
10,915 reviews
Air New Zealand
8.0
Very Good
627 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.4

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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 $263, while return flights cost around $421.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $573, however they can be found for as little as $421.

  • 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 55 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
Linthicum Heights

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Fly with Cheapflights

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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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