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$644+ Cheap flights to Dulles Intl

— IAD
12 Oct — 19 Oct1
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

Mon 26/1014:00 -
3 stops31h 20m
Mon 2/1107:40 -
3 stops36h 55m
Deal found 10/9$1,288
Tue 20/1010:20 -
2 stops39h 53m
Tue 27/1009:55 -
2 stops31h 40m
Deal found 11/9$1,357
Tue 20/1014:15 -
3 stops31h 05m
Tue 27/1008:05 -
3 stops37h 30m
Deal found 11/9$1,369
Fri 16/1014:15 -
3 stops31h 05m
Sat 31/1007:52 -
3 stops37h 43m
Deal found 9/9$1,371
Wed 18/1111:20 -
2 stops25h 03m
Wed 25/1122:10 -
2 stops43h 25m
Deal found 11/9$1,444
Tue 27/1010:20 -
2 stops25h 03m
Sat 31/1013:19 -
2 stops28h 16m
Deal found 12/9$1,451
Thu 8/1010:20 -
2 stops25h 05m
Thu 22/1009:45 -
2 stops31h 35m
Deal found 11/9$1,479
Thu 8/1010:20 -
2 stops25h 05m
Wed 21/1009:45 -
2 stops31h 35m
Deal found 8/9$1,485

Find flight deals to Dulles Intl Airport

Return from

$1,288

One-way from

$644

Popular in

December

Cheapest in

November

Average price

$1,617
26/10-2/11
  • 26/10-2/11
  • 6 total stops
  • 68h 15m total
  • Sydney to Washington, D.C.
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26/10-31/12
  • 26/10-31/12
  • 3 total stops
  • 31h 20m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($10 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average return price).
Search Deals
Average for return flights in September 2026
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Cheapflights Fare Finder

 
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 Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Fri 15/1

10:30-05:25

2 stops34h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$965
Fastest return journey

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Sun 28/2

16:50-09:05

1 stop32h 15m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,150

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Sat 31/10

11:50-05:19

2 stops32h 29m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,327

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Sun 22/11

11:30-05:40

2 stops34h 10m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,379

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Wed 21/10

22:05-19:45

2 stops36h 40m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,485

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Sun 28/2

16:50-23:59

2 stops47h 09m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,513

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Sun 22/11

21:35-19:25

2 stops37h 50m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,541

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Wed 18/11

16:50-09:05

1 stop32h 15m

Washington, D.C. Dulles Intl

Wed 25/11

14:35-17:45

1 stop35h 10m

$2,051

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Thu 22/10

20:45-17:50

3 stops36h 05m

Washington, D.C. Dulles Intl

Thu 5/11

18:46-19:45

3 stops32h 59m

$2,091

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Tue 29/9

12:00-22:51

2 stops24h 51m

Washington, D.C. Dulles Intl

Sun 11/10

06:00-08:05

1 stop35h 05m

$2,130

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 18 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

Cheapflights Insights

Everything you need to know about your flight to Washington, D.C. Dulles Intl Airport

What are the cheapest airlines that fly to Dulles Intl?

The cheapest airlines flying from Sydney to Dulles Intl are Qantas Airways, Air Canada and Air New Zealand.

Reviews of airlines servicing Dulles Intl

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
669 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Air New Zealand
8.0
Very Good
669 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Qantas Airways
7.5
Good
1,093 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
United Airlines
7.4
Good
10,207 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
American Airlines
7.1
Good
12,050 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Air Canada
7.1
Good
11,619 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

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 $656, while return flights cost around $359.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $470, however they can be found for as little as $359.

  • 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 (22 hours 20 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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