Find flights
Airlines

$629+ Cheap flights to Dulles Intl

— IAD
5 Oct — 12 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

Tue 20/1014:15 -
3 stops31h 05m
Tue 27/1008:05 -
3 stops37h 30m
Deal found 3/9$1,253
Tue 29/913:15 -
3 stops35h 02m
Fri 23/1006:00 -
3 stops39h 35m
Deal found 31/8$1,392
Wed 7/1014:15 -
3 stops35h 02m
Sat 17/1006:00 -
3 stops49h 25m
Deal found 1/9$1,393
Tue 29/919:40 -
2 stops40h 29m
Tue 6/1023:00 -
1 stop49h 50m
Deal found 31/8$1,693
Tue 29/919:40 -
2 stops40h 29m
Fri 23/1023:00 -
1 stop42h 30m
Deal found 31/8$1,706
Tue 20/1009:55 -
2 stops30h 11m
Tue 27/1008:34 -
2 stops33h 01m
Deal found 3/9$1,929
Mon 21/909:30 -
2 stops28h 40m
Tue 29/911:12 -
2 stops29h 48m
Deal found 2/9$1,953

Find flight deals to Dulles Intl Airport

Return from

$1,253

One-way from

$629

Popular in

December

Cheapest in

November

Average price

$1,610
20/10-27/10
  • 20/10-27/10
  • 6 total stops
  • 68h 35m total
  • Sydney to Washington, D.C.
Search Deals
28/10-31/12
  • 28/10-31/12
  • 3 total stops
  • 36h 36m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($101 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($36 potential savings vs. average return price).
Search Deals
Average for return flights in September 2026
Search Deals

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

Mon 8/2

10:10-05:25

2 stops35h 15m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,098

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Fri 29/1

16:50-09:05

1 stop32h 15m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,119

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Wed 4/11

16:50-09:05

1 stop32h 15m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,123

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

$1,141
Fastest return journey

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Fri 16/10

09:55-22:07

2 stops27h 12m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,318

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Wed 4/11

11:30-05:44

2 stops34h 14m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,338

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

$1,491

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Wed 21/10

22:05-11:30

2 stops52h 25m

Washington, D.C. Dulles Intl

Fri 23/10

21:40-20:10

2 stops31h 30m

$2,041

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Fri 16/10

22:05-19:45

2 stops36h 40m

Washington, D.C. Dulles Intl

Fri 23/10

13:15-20:10

2 stops39h 55m

$2,043

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Tue 13/10

22:05-11:30

2 stops52h 25m

Washington, D.C. Dulles Intl

Sat 24/10

22:20-19:25

2 stops54h 05m

$2,061

Flights are sorted by cheapest return flights first.

Deals found on 4/9

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
668 reviews
Check prices

Entertainment

7.4

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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

Entertainment

7.4

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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
1,090 reviews
Air New Zealand
8.0
Very Good
668 reviews
Check prices

Entertainment

7.4

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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
10,173 reviews
Air New Zealand
8.0
Very Good
668 reviews
Check prices

Entertainment

7.4

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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
12,041 reviews
Air New Zealand
8.0
Very Good
668 reviews
Check prices

Entertainment

7.4

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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
11,592 reviews
Air New Zealand
8.0
Very Good
668 reviews
Check prices

Entertainment

7.4

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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 $192, while return flights cost around $174.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $216, however they can be found for as little as $174.

  • 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 (27 hours 31 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

Search flights to Dulles Intl by cabin class

First Class flights to Washington, D.C. Dulles Intl Airport
Business Class flights to Washington, D.C. Dulles Intl Airport
Prem Economy Class flights to Washington, D.C. Dulles Intl Airport
Economy Class flights to Washington, D.C. Dulles Intl Airport

Fly with Cheapflights

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.

Can Cheapflights notify me if prices for flights to Dulles Intl become cheaper?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.