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$871+ 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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
23 Feb — 2 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 24 January 2026.

Thu 12/211:20
SYD
-
IAD
2 stops40h 09m
Air Canada
Wed 18/212:33
IAD
-
SYD
2 stops29h 02m
Air Canada
Deal found 22/1$1,552
Tue 10/211:20
SYD
-
IAD
2 stops40h 15m
Air Canada
Wed 18/216:30
IAD
-
SYD
2 stops25h 05m
Air Canada
Deal found 22/1$1,556
Wed 11/211:20
SYD
-
IAD
2 stops25h 34m
Air Canada
Wed 18/212:33
IAD
-
SYD
2 stops29h 02m
Air Canada
Deal found 23/1$1,587
Wed 11/211:20
SYD
-
IAD
2 stops44h 51m
Air Canada
Thu 26/209:00
IAD
-
SYD
2 stops32h 35m
Air Canada
Deal found 23/1$1,591
Sat 7/211:20
SYD
-
IAD
2 stops24h 01m
Multiple Airlines
Thu 19/212:33
IAD
-
SYD
2 stops29h 02m
Multiple Airlines
Deal found 22/1$1,657

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 January 2026.

Return from

$1,552

One-way from

$871

Popular in

April

Cheapest in

February

Average price

$1,255
Air Canada
  • Air Canada
  • 12/2-18/2
  • 4 total stops
  • 69h 11m total
  • Sydney to Washington, D.C.
Search Deals
7/2
  • 7/2
  • 2 total stops
  • 35h 55m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($167 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($48 potential savings vs. average return price).
Search Deals
Average for return flights in January 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 January 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 10/2

11:20-11:35

2 stops40h 15m

Washington, D.C. Dulles Intl

Wed 18/2

16:30-09:35

2 stops25h 05m

$1,556

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 12/2

11:20-16:11

2 stops44h 51m

Washington, D.C. Dulles Intl

Wed 25/2

22:09-09:35

2 stops43h 26m

$1,690

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 8/3

11:20-14:46

2 stops43h 26m

Washington, D.C. Dulles Intl

Sun 15/3

17:46-08:35

2 stops47h 49m

$1,724

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 10/2

11:50-16:14

1 stop20h 24m

Washington, D.C. Dulles Intl

Tue 24/2

15:58-09:05

2 stops25h 07m

$1,766

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 11/2

11:50-16:14

1 stop20h 24m

Washington, D.C. Dulles Intl

Sat 28/2

22:05-09:05

1 stop43h 00m

$1,766

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 11/2

11:50-16:14

1 stop20h 24m

Washington, D.C. Dulles Intl

Sun 1/3

12:50-07:00

1 stop26h 10m

$1,766

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 9/2

11:50-16:14

1 stop20h 24m

Washington, D.C. Dulles Intl

Sun 1/3

12:50-07:00

1 stop26h 10m

$1,766

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 12/2

11:50-16:06

1 stop20h 16m

Washington, D.C. Dulles Intl

Sun 1/3

12:50-07:00

1 stop26h 10m

$1,766

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 9/2

11:50-16:14

1 stop20h 24m

Washington, D.C. Dulles Intl

Tue 24/2

15:58-09:05

2 stops25h 07m

$1,766

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 11/2

11:20-16:22

1 stop21h 02m

Washington, D.C. Dulles Intl

Tue 24/2

22:10-06:20

1 stop40h 10m

$1,766

Flights are sorted by cheapest return flights first.

Deals found on 22/1

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 23 January 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 24 January 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
574 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.4

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air New Zealand
8.0
Very Good
574 reviews
Air New Zealand
8.0
Very Good
574 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.4

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Qantas Airways
7.5
Good
974 reviews
Air New Zealand
8.0
Very Good
574 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.4

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
United Airlines
7.4
Good
9,193 reviews
Air New Zealand
8.0
Very Good
574 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.4

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
American Airlines
7.2
Good
11,193 reviews
Air New Zealand
8.0
Very Good
574 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.4

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air Canada
7.1
Good
10,652 reviews
Air New Zealand
8.0
Very Good
574 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.4

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

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 $271, while return flights cost around $1,870.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $1,870, however they can be found for as little as $1,870.

  • 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 (19 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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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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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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