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$977+ 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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
6 Aug — 13 Aug1
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 7 July 2026.

Tue 11/806:15
SYD
-
IAD
3 stops42h 01m
Multiple Airlines
Tue 18/811:05
IAD
-
SYD
3 stops45h 20m
Multiple Airlines
Deal found 3/7$1,308
Mon 10/813:15
SYD
-
IAD
3 stops33h 05m
Multiple Airlines
Mon 17/811:10
IAD
-
SYD
3 stops34h 40m
Multiple Airlines
Deal found 5/7$1,324
Mon 3/813:15
SYD
-
IAD
3 stops33h 05m
Multiple Airlines
Mon 10/807:48
IAD
-
SYD
3 stops38h 02m
Multiple Airlines
Deal found 6/7$1,415
Wed 19/813:15
SYD
-
IAD
3 stops41h 59m
Multiple Airlines
Sun 6/906:20
IAD
-
SYD
3 stops39h 30m
Multiple Airlines
Deal found 6/7$1,441
Wed 5/809:10
SYD
-
IAD
2 stops41h 37m
Multiple Airlines
Fri 7/811:10
IAD
-
SYD
2 stops30h 20m
Multiple Airlines
Deal found 6/7$1,655
Fri 31/709:10
SYD
-
IAD
2 stops37h 10m
Multiple Airlines
Fri 7/811:10
IAD
-
SYD
2 stops30h 20m
Multiple Airlines
Deal found 3/7$1,701
Sat 29/819:40
SYD
-
IAD
2 stops49h 13m
Air China
Sun 13/907:00
IAD
-
SYD
2 stops41h 50m
Air China
Deal found 2/7$1,707
Thu 3/909:30
SYD
-
IAD
2 stops35h 49m
United Airlines
Fri 4/912:40
IAD
-
SYD
1 stop28h 15m
United Airlines
Deal found 6/7$1,727

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 7 July 2026.

Return from

$1,308

One-way from

$977

Popular in

December

Cheapest in

September

Average price

$2,133
11/8-18/8
  • 11/8-18/8
  • 6 total stops
  • 87h 21m total
  • Sydney to Washington, D.C.
Search Deals
17/8
  • 17/8
  • 2 total stops
  • 36h 54m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($182 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 July 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 7 July 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

Thu 3/9

09:30-07:19

2 stops35h 49m

Washington, D.C. Dulles Intl

Fri 4/9

12:40-06:55

1 stop28h 15m

$1,727

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

09:55-05:55

2 stops34h 00m

Washington, D.C. Dulles Intl

Sun 20/9

06:42-08:45

2 stops36h 03m

$1,870
Fastest return journey

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

11:55-05:55

2 stops32h 00m

Washington, D.C. Dulles Intl

Tue 22/9

17:55-08:45

2 stops24h 50m

$1,953

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 29/8

20:45-18:14

3 stops35h 29m

Washington, D.C. Dulles Intl

Sun 13/9

17:57-18:50

2 stops34h 53m

$1,971

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

21:05-11:35

2 stops52h 30m

Washington, D.C. Dulles Intl

Tue 22/9

21:45-06:05

3 stops42h 20m

$2,195

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

13:05-11:35

2 stops36h 30m

Washington, D.C. Dulles Intl

Sun 20/9

13:20-06:05

3 stops50h 45m

$2,288

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 2/8

15:40-09:45

1 stop32h 05m

Washington, D.C. Dulles Intl

Sat 8/8

07:57-16:50

2 stops42h 53m

$2,299
Cheapest one-way

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

17:50-00:28

2 stops44h 38m

$1,059

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 4/11

11:30-05:51

2 stops34h 21m

$1,327

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 18/8

20:45-18:14

3 stops35h 29m

$1,550

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 14 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?

To ensure you get the cheapest price possible for a flight to Dulles Intl, you should look to book at least 77 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 7 July 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
649 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air New Zealand
8.0
Very Good
649 reviews
Air New Zealand
8.0
Very Good
649 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Qantas Airways
7.5
Good
1,057 reviews
Air New Zealand
8.0
Very Good
649 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
United Airlines
7.4
Good
9,945 reviews
Air New Zealand
8.0
Very Good
649 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
American Airlines
7.1
Good
11,785 reviews
Air New Zealand
8.0
Very Good
649 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air Canada
7.1
Good
11,318 reviews
Air New Zealand
8.0
Very Good
649 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.

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 $372.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $722, however they can be found for as little as $372.

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

    For those looking to save time traveling to Dulles Intl, Melbourne offers the quickest one-way flight (23 hours 5 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
Laurel
Linthicum Heights

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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