$943+ 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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
21 Mar — 28 Mar1
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 February 2026.

Tue 19/509:20
SYD
-
IAD
2 stops36h 30m
Air Canada
Tue 9/608:21
IAD
-
SYD
1 stop32h 59m
Air Canada
Deal found 17/2$1,418
Sat 30/509:20
SYD
-
IAD
2 stops36h 24m
Air Canada
Sun 7/622:10
IAD
-
SYD
2 stops43h 10m
Air Canada
Deal found 16/2$1,462
Thu 5/311:20
SYD
-
IAD
2 stops25h 34m
Air Canada
Wed 18/309:00
IAD
-
SYD
2 stops32h 35m
Air Canada
Deal found 19/2$1,516
Mon 9/311:20
SYD
-
IAD
2 stops43h 26m
Air Canada
Tue 17/309:55
IAD
-
SYD
2 stops31h 40m
Air Canada
Deal found 18/2$1,527
Thu 16/709:20
SYD
-
IAD
2 stops36h 24m
Air Canada
Sun 26/708:18
IAD
-
SYD
2 stops33h 02m
Air Canada
Deal found 16/2$1,567
Sun 8/311:20
SYD
-
IAD
2 stops43h 26m
Air Canada
Mon 16/317:46
IAD
-
SYD
2 stops47h 49m
Air Canada
Deal found 17/2$1,578
Tue 19/509:10
SYD
-
IAD
1 stop34h 30m
American Airlines
Tue 9/606:10
IAD
-
SYD
1 stop34h 55m
American Airlines
Deal found 17/2$1,581
Thu 16/709:10
SYD
-
IAD
1 stop33h 50m
American Airlines
Sun 26/719:21
IAD
-
SYD
1 stop21h 34m
American Airlines
Deal found 18/2$1,588

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 February 2026.

Return from

$1,418

One-way from

$943

Popular in

April

Cheapest in

February

Average price

$1,202
Air Canada
  • Air Canada
  • 19/5-9/6
  • 3 total stops
  • 69h 29m total
  • Sydney to Washington, D.C.
29/4
  • 29/4
  • 3 total stops
  • 58h 45m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 7% potential increase in price ($130 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($44 potential savings vs. average return price).
Average for return flights in February 2026

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 February 2026.
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 19/5

09:20-07:50

2 stops36h 30m

Washington, D.C. Dulles Intl

Tue 9/6

08:18-07:20

2 stops33h 02m

$1,418

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 27/7

09:20-07:44

2 stops36h 24m

Washington, D.C. Dulles Intl

Mon 3/8

22:09-07:20

2 stops43h 11m

$1,418

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 30/5

09:20-07:44

2 stops36h 24m

Washington, D.C. Dulles Intl

Sun 7/6

22:10-07:20

2 stops43h 10m

$1,462

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 5/3

11:20-20:54

2 stops25h 34m

Washington, D.C. Dulles Intl

Wed 18/3

09:00-08:35

2 stops32h 35m

$1,516

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 16/7

09:20-07:44

2 stops36h 24m

Washington, D.C. Dulles Intl

Sun 26/7

08:18-07:20

2 stops33h 02m

$1,567

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 8/3

11:20-14:46

2 stops43h 26m

Washington, D.C. Dulles Intl

Mon 16/3

17:46-08:35

2 stops47h 49m

$1,578

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 16/3

11:20-22:53

2 stops26h 33m

Washington, D.C. Dulles Intl

Mon 23/3

06:00-06:55

1 stop33h 55m

$1,591

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 5/3

12:10-16:38

1 stop20h 28m

Washington, D.C. Dulles Intl

Wed 18/3

12:50-07:00

1 stop27h 10m

$1,602

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 9/3

12:10-19:27

1 stop22h 17m

Washington, D.C. Dulles Intl

Tue 17/3

15:45-08:05

1 stop25h 20m

$1,604

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 18/6

10:20-21:00

2 stops24h 40m

Washington, D.C. Dulles Intl

Sun 5/7

15:03-07:00

2 stops25h 57m

$1,604

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 20 results
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 18 February 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 19 February 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.

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

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 $264, while return flights cost around $1,817.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $1,817, however they can be found for as little as $1,817.

  • 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 (21 hours 51 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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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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