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$989+ 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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
24 Jul — 31 Jul1
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 June 2026.

Mon 3/813:15
SYD
-
IAD
3 stops37h 32m
Multiple Airlines
Mon 17/809:50
IAD
-
SYD
3 stops36h 00m
Multiple Airlines
Deal found 19/6$1,277
Mon 3/813:15
SYD
-
IAD
3 stops37h 32m
Multiple Airlines
Mon 10/809:50
IAD
-
SYD
3 stops46h 20m
Multiple Airlines
Deal found 19/6$1,300
Mon 3/813:15
SYD
-
IAD
3 stops37h 32m
Multiple Airlines
Wed 19/811:05
IAD
-
SYD
3 stops34h 45m
Multiple Airlines
Deal found 19/6$1,318
Thu 6/806:15
SYD
-
IAD
3 stops40h 05m
Multiple Airlines
Mon 24/808:59
IAD
-
SYD
3 stops36h 51m
Multiple Airlines
Deal found 19/6$1,403
Wed 15/713:15
SYD
-
IAD
3 stops37h 32m
Multiple Airlines
Wed 22/709:50
IAD
-
SYD
3 stops46h 20m
Multiple Airlines
Deal found 22/6$1,410
Tue 11/806:15
SYD
-
IAD
3 stops42h 01m
Multiple Airlines
Mon 31/810:45
IAD
-
SYD
3 stops35h 05m
Multiple Airlines
Deal found 19/6$1,411
Fri 7/813:15
SYD
-
IAD
3 stops33h 05m
Multiple Airlines
Mon 24/808:59
IAD
-
SYD
3 stops36h 51m
Multiple Airlines
Deal found 19/6$1,457

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 June 2026.

Return from

$1,277

One-way from

$989

Popular in

December

Cheapest in

August

Average price

$1,951
3/8-17/8
  • 3/8-17/8
  • 6 total stops
  • 73h 32m total
  • Sydney to Washington, D.C.
Search Deals
21/7
  • 21/7
  • 2 total stops
  • 39h 06m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($53 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 June 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 June 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

Wed 9/9

11:55-05:40

2 stops31h 45m

Washington, D.C. Dulles Intl

Sun 20/9

06:42-08:45

2 stops36h 03m

$1,868

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 13/10

11:20-11:47

2 stops39h 27m

Washington, D.C. Dulles Intl

Thu 15/10

07:00-08:00

1 stop34h 00m

$1,885

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

$2,124

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 24/8

19:45-19:30

1 stop37h 45m

Washington, D.C. Dulles Intl

Fri 28/8

17:42-14:50

2 stops55h 08m

$2,222

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 22/7

09:10-05:00

1 stop33h 50m

Washington, D.C. Dulles Intl

Tue 28/7

19:31-06:55

1 stop21h 24m

$2,339

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

09:20-06:30

1 stop35h 10m

Washington, D.C. Dulles Intl

Tue 22/9

08:29-07:20

1 stop32h 51m

$2,425

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 24/8

09:20-21:18

2 stops25h 58m

Washington, D.C. Dulles Intl

Fri 28/8

09:45-07:20

3 stops31h 35m

$2,473
Fastest return journey

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 11/8

21:25-05:55

1 stop22h 30m

Washington, D.C. Dulles Intl

Mon 31/8

17:42-07:30

1 stop23h 48m

$2,621
Cheapest one-way

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 10/9

10:15-11:05

2 stops38h 50m

$1,139

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

11:55-18:14

3 stops44h 19m

$1,165

Flights are sorted by cheapest return flights first.

Deals found on 23/6

Showing 1-10 of 16 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 24 June 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
645 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very Good
645 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Qantas Airways
7.5
Good
1,050 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,881 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
American Airlines
7.1
Good
11,750 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air Canada
7.1
Good
11,251 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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 $1,395, 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 $631, 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, Sydney Kingsford Smith offers the quickest one-way flight (20 hours 45 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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