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$899+ 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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
28 Jun — 5 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 29 May 2026.

Wed 9/909:10
SYD
-
IAD
2 stops25h 14m
American Airlines
Sun 20/906:00
IAD
-
SYD
1 stop35h 05m
American Airlines
Deal found 25/5$1,426
Fri 29/512:00
SYD
-
IAD
1 stop37h 09m
Qantas Airways
Sun 31/506:25
IAD
-
SYD
1 stop34h 40m
Qantas Airways
Deal found 25/5$1,433
Wed 9/909:00
SYD
-
IAD
2 stops25h 24m
American Airlines
Tue 22/912:30
IAD
-
SYD
2 stops28h 35m
American Airlines
Deal found 26/5$1,465

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 29 May 2026.

Return from

$1,426

One-way from

$899

Popular in

December

Cheapest in

September

Average price

$1,814
American Airlines
  • American Airlines
  • 9/9-20/9
  • 3 total stops
  • 60h 19m total
  • Sydney to Washington, D.C.
Search Deals
American Airlines
  • American Airlines
  • 26/10
  • 2 total stops
  • 27h 31m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($59 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 May 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 29 May 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

Tue 16/6

06:15-08:25

3 stops40h 10m

Washington, D.C. Dulles Intl

Wed 24/6

09:55-11:50

3 stops35h 55m

$1,684

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 27/8

09:10-05:00

1 stop33h 50m

Washington, D.C. Dulles Intl

Sat 12/9

16:56-06:55

1 stop23h 59m

$2,086
Fastest return journey

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 29/8

12:00-18:27

1 stop20h 27m

Washington, D.C. Dulles Intl

Thu 10/9

15:08-06:55

1 stop25h 47m

$2,177

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 23/10

20:45-16:33

3 stops34h 48m

Washington, D.C. Dulles Intl

Thu 29/10

09:35-19:45

2 stops43h 10m

$2,263

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 28/8

17:50-10:16

2 stops30h 26m

Washington, D.C. Dulles Intl

Wed 9/9

13:20-09:05

1 stop29h 45m

$2,320

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 16/6

09:30-07:18

2 stops35h 48m

Washington, D.C. Dulles Intl

Wed 24/6

15:15-07:00

1 stop25h 45m

$2,571

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 29/8

09:15-20:05

2 stops24h 50m

Washington, D.C. Dulles Intl

Wed 9/9

16:00-06:50

2 stops24h 50m

$2,639

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 28/8

09:15-20:54

2 stops25h 39m

Washington, D.C. Dulles Intl

Wed 9/9

15:00-06:50

2 stops25h 50m

$2,639

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 28/8

09:15-20:54

2 stops25h 39m

Washington, D.C. Dulles Intl

Sun 13/9

13:00-06:50

2 stops27h 50m

$2,639

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 12/7

12:00-18:01

1 stop20h 01m

Washington, D.C. Dulles Intl

Sun 19/7

09:50-18:50

2 stops43h 00m

$2,736

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 54 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 29 May 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
648 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

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
648 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

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
1,042 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

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
9,766 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

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
11,644 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

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
11,101 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.4

Entertainment

7.4

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 $1,357, while return flights cost around $304.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $448, however they can be found for as little as $304.

  • 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 27 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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Fly with Cheapflights

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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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