$981+ 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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
15 apr — 22 apr1
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 16 mars 2026.

tors 16/409:20
SYD
-
IAD
2 stops39h 57m
Air Canada
lör 2/522:08
IAD
-
SYD
2 stops67h 12m
Air Canada
Deal found 12/3$1,403
tis 28/409:20
SYD
-
IAD
2 stops49h 58m
Air Canada
fre 15/517:35
IAD
-
SYD
2 stops47h 45m
Air Canada
Deal found 14/3$1,415
ons 29/409:20
SYD
-
IAD
2 stops36h 30m
Air Canada
ons 6/512:40
IAD
-
SYD
2 stops28h 40m
Air Canada
Deal found 15/3$1,419
tors 30/409:20
SYD
-
IAD
2 stops25h 09m
Air Canada
tors 7/516:05
IAD
-
SYD
2 stops25h 15m
Air Canada
Deal found 16/3$1,436
tors 23/409:20
SYD
-
IAD
2 stops36h 30m
Air Canada
sön 26/422:08
IAD
-
SYD
2 stops43h 12m
Air Canada
Deal found 15/3$1,439
mån 27/409:20
SYD
-
IAD
2 stops40h 30m
Air Canada
mån 4/508:15
IAD
-
SYD
2 stops33h 05m
Air Canada
Deal found 13/3$1,450
tis 28/409:20
SYD
-
IAD
2 stops49h 58m
Air Canada
tis 5/508:15
IAD
-
SYD
2 stops33h 05m
Air Canada
Deal found 14/3$1,459

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 16 mars 2026.

Return from

$1,380

One-way from

$981

Popular in

April

Cheapest in

September

Average price

$1,631
Air Canada
  • Air Canada
  • 29/4-6/5
  • 4 total stops
  • 69h 16m total
  • Sydney to Washington, D.C.
Air New Zealand
  • Air New Zealand
  • 28/4
  • 2 total stops
  • 26h 50m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 7% potential increase in price ($142 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average return price).
Average for return flights in March 2026

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 16 mars 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

tors 30/4

09:20-21:18

2 stops49h 58m

Washington, D.C. Dulles Intl

tors 7/5

09:45-07:20

2 stops31h 35m

$1,450
Fastest return journey

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

tis 28/4

10:20-16:25

1 stop20h 05m

Washington, D.C. Dulles Intl

tis 5/5

13:10-06:55

2 stops27h 45m

$1,583

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

tors 16/4

09:30-16:29

1 stop20h 59m

Washington, D.C. Dulles Intl

lör 2/5

22:20-06:55

2 stops42h 35m

$1,611

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

tors 30/4

09:30-16:24

1 stop20h 54m

Washington, D.C. Dulles Intl

tors 7/5

13:10-06:55

2 stops27h 45m

$1,622

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

fre 3/7

09:30-19:02

2 stops23h 32m

Washington, D.C. Dulles Intl

lör 1/8

22:20-07:00

1 stop42h 40m

$1,622

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

tors 18/6

10:20-20:48

2 stops24h 28m

Washington, D.C. Dulles Intl

tors 9/7

09:10-06:55

2 stops31h 45m

$1,622

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mån 27/4

17:50-05:40

1 stop25h 50m

Washington, D.C. Dulles Intl

mån 4/5

17:59-06:55

1 stop22h 56m

$1,658

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

fre 26/6

09:30-16:26

1 stop20h 56m

Washington, D.C. Dulles Intl

lör 18/7

22:21-06:55

1 stop42h 34m

$2,049

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

tors 16/7

11:55-00:55

2 stops27h 00m

Washington, D.C. Dulles Intl

sön 26/7

09:10-08:45

2 stops33h 35m

$2,128

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

sön 7/6

20:45-16:35

2 stops33h 50m

Washington, D.C. Dulles Intl

tors 10/9

17:25-18:50

3 stops35h 25m

$2,451

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 20 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?

Use this chart to determine the optimal time to book a return flight from Sydney to Dulles Intl. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight to Dulles Intl, you should look to book at least 78 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 16 mars 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.

Entertainment

7.4

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

Entertainment

7.4

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

Entertainment

7.4

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

Entertainment

7.4

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

Entertainment

7.4

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

Entertainment

7.4

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

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, United 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 $267, while return flights cost around $2,282.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $2,471, however they can be found for as little as $2,282.

  • 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 32 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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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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