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$788+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
5 mai — 12 mai1
1 adult

Flights to Dulles Intl in 2025

Find the latest flights to Dulles Intl in 2025, 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 30 avril 2025.

Return from

$1,944

One-way from

$788

Popular in

December

Cheapest in

February

Average price

$2,223
United Airlines
  • United Airlines
  • 1/6-14/6
  • 3 total stops
  • 57h 47m total
  • Sydney to Washington, D.C.
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5/6
  • 5/6
  • 2 total stops
  • 51h 35m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($327 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($88 potential savings vs. average return price).
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Average for return flights in April 2025
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Find flight deals to Dulles Intl Airport

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 30 avril 2025.

lun. 9/609:10SYD - IAD
2 stops37h 28mAmerican Airlines
lun. 30/613:08IAD - SYD
2 stops27h 57mAmerican Airlines
Deal found 29/4$1,966
mar. 20/511:50SYD - IAD
1 stop36h 15mANA
mar. 31/312:15IAD - SYD
1 stop41h 00mANA
Deal found 29/4$2,027
sam. 11/1021:30SYD - IAD
1 stop33h 40mMultiple Airlines
sam. 1/1117:31IAD - SYD
2 stops35h 19mMultiple Airlines
Deal found 29/4$2,036
mer. 16/709:55SYD - IAD
2 stops26h 23mAir New Zealand
lun. 28/717:53IAD - SYD
2 stops24h 52mAir New Zealand
Deal found 29/4$2,091
mar. 13/507:55SYD - IAD
1 stop41h 20mKorean Air
jeu. 28/813:30IAD - SYD
1 stop26h 50mKorean Air
Deal found 29/4$2,116
lun. 6/1010:20SYD - IAD
2 stops25h 40mAir Canada
mar. 21/1008:18IAD - SYD
2 stops33h 02mAir Canada
Deal found 29/4$2,141
dim. 5/1021:55SYD - IAD
2 stops36h 50mTurkish Airlines
dim. 26/1014:10IAD - SYD
2 stops38h 35mTurkish Airlines
Deal found 29/4$2,195
jeu. 17/721:40SYD - IAD
2 stops33h 33mAlaska Airlines
jeu. 31/720:19IAD - SYD
2 stops33h 26mAlaska Airlines
Deal found 29/4$2,226
mer. 8/1011:20SYD - IAD
1 stop22h 32mUnited Airlines
dim. 2/1118:55IAD - SYD
1 stop22h 10mUnited Airlines
Deal found 29/4$2,242
sam. 30/821:40SYD - IAD
2 stops23h 52mHawaiian Airlines
mer. 5/1110:00IAD - SYD
2 stops41h 45mHawaiian Airlines
Deal found 28/4$2,247
mer. 8/1010:25SYD - IAD
2 stops23h 17mDelta
sam. 18/1019:50IAD - SYD
2 stops44h 45mDelta
Deal found 29/4$2,258
dim. 5/1021:45SYD - IAD
1 stop32h 55mJetBlue
dim. 19/1021:00IAD - SYD
1 stop30h 10mJetBlue
Deal found 29/4$2,297

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 30 avril 2025.
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

lun. 9/6

09:10-08:38

2 stops37h 28m

Washington, D.C. Dulles Intl

lun. 30/6

13:08-07:05

2 stops27h 57m

$1,966

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mar. 20/5

11:50-10:05

1 stop36h 15m

Washington, D.C. Dulles Intl

mar. 31/3

12:15-20:15

1 stop41h 00m

$2,027

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

sam. 11/10

21:30-16:10

1 stop33h 40m

Washington, D.C. Dulles Intl

sam. 1/11

17:31-19:50

2 stops35h 19m

$2,036

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mer. 16/7

09:55-22:18

2 stops26h 23m

Washington, D.C. Dulles Intl

lun. 28/7

17:53-08:45

2 stops24h 52m

$2,091

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mar. 13/5

07:55-11:15

1 stop41h 20m

Washington, D.C. Dulles Intl

jeu. 28/8

13:30-06:20

1 stop26h 50m

$2,116

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

lun. 6/10

10:20-21:00

2 stops25h 40m

Washington, D.C. Dulles Intl

mar. 21/10

08:18-08:20

2 stops33h 02m

$2,141

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

dim. 5/10

21:55-19:45

2 stops36h 50m

Washington, D.C. Dulles Intl

dim. 26/10

14:10-19:45

2 stops38h 35m

$2,195

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

jeu. 17/7

21:40-17:13

2 stops33h 33m

Washington, D.C. Dulles Intl

jeu. 31/7

20:19-19:45

2 stops33h 26m

$2,226

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mer. 8/10

11:20-18:52

1 stop22h 32m

Washington, D.C. Dulles Intl

dim. 2/11

18:55-09:05

1 stop22h 10m

$2,242

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

sam. 30/8

21:40-07:32

2 stops23h 52m

Washington, D.C. Dulles Intl

mer. 5/11

10:00-19:45

2 stops41h 45m

$2,247

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 35 results
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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 25 April 2025.

To ensure you get the cheapest price possible for a flight to Dulles Intl, you should look to book at least 20 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.

How long is the flight to Dulles Intl?

On average, a flight from Sydney to Dulles Intl takes 24 hours 26 minutes. Flights to Dulles Intl from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Dulles Intl?

Use this chart to determine the cheapest time to fly return from Sydney to Dulles Intl. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Dulles Intl should consider flying on Tuesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday evenings, when prices are usually at their highest.

What are the most popular airlines that fly to Dulles Intl?

The most popular airlines flying from Sydney to Dulles Intl are United Airlines, Air Canada and Virgin Australia.

United Airlines

United Airlines

From $1,176

Air Canada

Air Canada

From $848

Virgin Australia

Virgin Australia

From $1,235

Qantas Airways

Qantas Airways

From $860

What are the cheapest airlines that fly to Dulles Intl?

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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dulles Intl ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Dulles Intl when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dulles Intl, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 30 avril 2025.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very Good
62 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Korean Air
8.4
Very Good
1,066 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very Good
852 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very Good
1,292 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Emirates
8.0
Very Good
3,215 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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 $131, while return flights cost around $337.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $327, however they can be found for as little as $216.

  • 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 (21 hours 57 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

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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.

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