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$794+ 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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
8 Apr — 15 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 9 March 2026.

Thu 16/409:20
SYD
-
IAD
2 stops25h 17m
Air Canada
Sat 2/522:08
IAD
-
SYD
2 stops67h 12m
Air Canada
Deal found 9/3$1,372
Thu 19/313:05
SYD
-
IAD
1 stop24h 48m
Qantas Airways
Wed 1/417:52
IAD
-
SYD
1 stop22h 03m
Qantas Airways
Deal found 9/3$1,547
Thu 19/311:20
SYD
-
IAD
2 stops24h 10m
American Airlines
Wed 1/417:52
IAD
-
SYD
1 stop22h 03m
American Airlines
Deal found 9/3$1,561
Mon 13/710:20
SYD
-
IAD
1 stop20h 05m
United Airlines
Wed 22/709:45
IAD
-
SYD
1 stop31h 10m
United Airlines
Deal found 7/3$1,572
Thu 18/610:20
SYD
-
IAD
2 stops26h 23m
United Airlines
Sun 5/712:45
IAD
-
SYD
2 stops28h 15m
United Airlines
Deal found 9/3$1,574
Thu 16/410:20
SYD
-
IAD
1 stop22h 52m
United Airlines
Sat 2/522:20
IAD
-
SYD
2 stops42h 35m
United Airlines
Deal found 6/3$1,575
Thu 12/310:25
SYD
-
IAD
2 stops33h 52m
United Airlines
Wed 25/318:00
IAD
-
SYD
1 stop23h 05m
United Airlines
Deal found 8/3$1,578
Mon 9/311:05
SYD
-
IAD
1 stop28h 23m
United Airlines
Mon 16/308:30
IAD
-
SYD
1 stop31h 30m
United Airlines
Deal found 6/3$1,591
Wed 22/410:20
SYD
-
IAD
1 stop20h 05m
Lufthansa
Wed 29/417:55
IAD
-
SYD
1 stop23h 00m
Lufthansa
Deal found 8/3$1,595

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 9 March 2026.

Return from

$1,547

One-way from

$794

Popular in

April

Cheapest in

September

Average price

$1,621
Qantas Airways
  • Qantas Airways
  • 19/3-1/4
  • 2 total stops
  • 44h 08m total
  • Sydney to Washington, D.C.
Search Deals
15/7
  • 15/7
  • 3 total stops
  • 54h 28m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($140 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($42 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 9 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

Mon 20/4

09:30-19:00

2 stops23h 30m

Washington, D.C. Dulles Intl

Mon 27/4

16:00-07:00

2 stops25h 00m

$1,575

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 16/4

09:30-16:29

1 stop20h 59m

Washington, D.C. Dulles Intl

Thu 30/4

15:15-06:55

2 stops25h 40m

$1,624

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 3/7

10:20-19:02

2 stops22h 42m

Washington, D.C. Dulles Intl

Sat 1/8

22:21-06:55

1 stop42h 34m

$1,625
Fastest return journey

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 17/4

10:20-16:25

1 stop20h 05m

Washington, D.C. Dulles Intl

Fri 24/4

16:00-07:00

2 stops25h 00m

$1,675

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 18/6

09:30-16:26

1 stop20h 56m

Washington, D.C. Dulles Intl

Sun 5/7

12:36-07:00

1 stop28h 24m

$1,855

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 23/3

11:50-22:36

1 stop25h 46m

Washington, D.C. Dulles Intl

Mon 6/4

12:35-06:55

1 stop28h 20m

$1,858

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 23/4

20:45-17:41

2 stops34h 56m

Washington, D.C. Dulles Intl

Thu 30/4

19:20-18:50

2 stops33h 30m

$1,907

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 1/9

15:40-16:30

2 stops38h 50m

Washington, D.C. Dulles Intl

Tue 15/9

15:10-16:50

1 stop35h 40m

$2,122
Cheapest one-way

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 16/4

20:45-00:36

3 stops41h 51m

$1,024

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 1/5

20:45-18:20

2 stops35h 35m

$1,228

Flights are sorted by cheapest return flights first.

Deals found on 4/3

Showing 1-10 of 15 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 6 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 9 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
608 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

7.4

Boarding

8.2

Comfort

8.0

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.
Air New Zealand
8.0
Very Good
608 reviews
Air New Zealand
8.0
Very Good
608 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

7.4

Boarding

8.2

Comfort

8.0

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.
Qantas Airways
7.5
Good
1,002 reviews
Air New Zealand
8.0
Very Good
608 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

7.4

Boarding

8.2

Comfort

8.0

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.
United Airlines
7.4
Good
9,409 reviews
Air New Zealand
8.0
Very Good
608 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

7.4

Boarding

8.2

Comfort

8.0

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.
American Airlines
7.1
Good
11,403 reviews
Air New Zealand
8.0
Very Good
608 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

7.4

Boarding

8.2

Comfort

8.0

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.
Air Canada
7.1
Good
10,799 reviews
Air New Zealand
8.0
Very Good
608 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

7.4

Boarding

8.2

Comfort

8.0

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 $265, while return flights cost around $2,590.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $2,700, however they can be found for as little as $2,590.

  • 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 48 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.

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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