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$985+ 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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
22 Apr — 29 Apr1
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 23 March 2026.

Wed 6/509:20
SYD
-
IAD
2 stops40h 30m
Air Canada
Wed 13/508:15
IAD
-
SYD
2 stops33h 05m
Air Canada
Deal found 22/3$1,311
Wed 22/709:20
SYD
-
IAD
2 stops36h 24m
Air Canada
Tue 28/712:44
IAD
-
SYD
2 stops28h 36m
Air Canada
Deal found 20/3$1,321
Thu 23/409:20
SYD
-
IAD
2 stops48h 20m
Air Canada
Wed 6/509:45
IAD
-
SYD
2 stops31h 35m
Air Canada
Deal found 21/3$1,341
Wed 13/509:20
SYD
-
IAD
2 stops36h 30m
Air Canada
Sun 24/517:15
IAD
-
SYD
2 stops48h 05m
Air Canada
Deal found 21/3$1,377
Thu 23/409:20
SYD
-
IAD
2 stops40h 30m
Air Canada
Sun 26/417:10
IAD
-
SYD
2 stops48h 10m
Air Canada
Deal found 19/3$1,405
Tue 29/909:20
SYD
-
IAD
2 stops25h 40m
Air Canada
Tue 13/1022:10
IAD
-
SYD
2 stops43h 10m
Air Canada
Deal found 20/3$1,411

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 23 March 2026.

Return from

$1,311

One-way from

$985

Popular in

April

Cheapest in

September

Average price

$1,622
Air Canada
  • Air Canada
  • 6/5-13/5
  • 4 total stops
  • 73h 35m total
  • Sydney to Washington, D.C.
Search Deals
14/5
  • 14/5
  • 2 total stops
  • 47h 15m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($141 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 March 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 23 March 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

Fri 8/5

09:20-11:50

2 stops40h 30m

Washington, D.C. Dulles Intl

Sun 10/5

22:07-07:20

2 stops43h 13m

$1,475

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 6/5

10:20-21:04

1 stop24h 44m

Washington, D.C. Dulles Intl

Wed 13/5

17:55-06:55

1 stop23h 00m

$1,763

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 20/4

17:50-05:40

1 stop25h 50m

Washington, D.C. Dulles Intl

Sun 3/5

17:59-06:55

1 stop22h 56m

$1,770
Fastest return journey

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 22/7

09:30-16:26

1 stop20h 56m

Washington, D.C. Dulles Intl

Wed 29/7

17:55-06:55

1 stop23h 00m

$1,771

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 16/5

10:20-18:34

2 stops22h 14m

Washington, D.C. Dulles Intl

Sat 30/5

22:20-07:00

1 stop42h 40m

$1,837

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 4/5

09:30-18:25

1 stop22h 55m

Washington, D.C. Dulles Intl

Thu 28/5

14:51-06:55

1 stop26h 04m

$1,844

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 16/4

09:30-23:59

2 stops28h 29m

Washington, D.C. Dulles Intl

Sat 2/5

18:43-07:00

1 stop22h 17m

$1,854

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 2/5

09:10-05:40

1 stop34h 30m

Washington, D.C. Dulles Intl

Sat 9/5

06:10-07:05

1 stop34h 55m

$1,900

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 25/6

10:20-05:53

1 stop33h 33m

Washington, D.C. Dulles Intl

Mon 13/7

22:20-07:00

1 stop42h 40m

$2,117

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 6/4

15:40-10:25

1 stop32h 45m

Washington, D.C. Dulles Intl

Sun 19/4

09:19-16:50

2 stops41h 31m

$2,133

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 13 March 2026.

To ensure you get the cheapest price possible for a flight to Dulles Intl, you should look to book at least 78 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 23 March 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
618 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.
Air New Zealand
8.0
Very Good
618 reviews
Air New Zealand
8.0
Very Good
618 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.
Qantas Airways
7.5
Good
1,009 reviews
Air New Zealand
8.0
Very Good
618 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.
United Airlines
7.4
Good
9,463 reviews
Air New Zealand
8.0
Very Good
618 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.
American Airlines
7.1
Good
11,486 reviews
Air New Zealand
8.0
Very Good
618 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.
Air Canada
7.1
Good
10,835 reviews
Air New Zealand
8.0
Very Good
618 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.

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, United 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 $265, while return flights cost around $1,167.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $1,241, however they can be found for as little as $1,167.

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

    For those looking to save time traveling to Dulles Intl, Brisbane offers the quickest one-way flight (22 hours 42 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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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.

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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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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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