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$751+ 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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
26 Feb — 5 Mar1
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 21 February 2025.

Return from

$1,217

One-way from

$751

Popular in

December

Cheapest in

February

Average price

$1,510
American Airlines
  • American Airlines
  • 8/3-4/4
  • 4 total stops
  • 53h 58m total
  • Sydney to Washington, D.C.
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American Airlines
  • American Airlines
  • 13/3
  • 2 total stops
  • 25h 59m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($407 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($95 potential savings vs. average return price).
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Average for return flights in February 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 21 February 2025.

Sat 8/311:15SYD - IAD
2 stops27h 05mAmerican Airlines
Fri 4/414:12IAD - SYD
2 stops26h 53mAmerican Airlines
Deal found 19/2$1,217
Tue 11/313:00SYD - IAD
2 stops24h 14mQantas Airways
Wed 2/407:31IAD - SYD
1 stop33h 34mQantas Airways
Deal found 19/2$1,759
Tue 11/310:30SYD - IAD
3 stops44h 28mAir Canada
Wed 2/414:40IAD - SYD
2 stops26h 40mAir Canada
Deal found 19/2$1,764
Tue 11/312:10SYD - IAD
1 stop23h 54mUnited Airlines
Tue 1/418:05IAD - SYD
1 stop22h 50mUnited Airlines
Deal found 19/2$1,819
Sun 9/321:00SYD - IAD
2 stops38h 30mTurkish Airlines
Sun 30/321:40IAD - SYD
2 stops31h 20mTurkish Airlines
Deal found 19/2$2,012
Thu 17/410:20SYD - IAD
1 stop23h 10mVirgin Australia
Tue 22/412:40IAD - SYD
1 stop28h 20mVirgin Australia
Deal found 19/2$2,276
Thu 17/409:30SYD - IAD
1 stop21h 52mMultiple Airlines
Tue 22/406:42IAD - SYD
2 stops34h 18mMultiple Airlines
Deal found 19/2$2,853
Mon 7/411:50SYD - IAD
1 stop36h 15mANA
Sun 4/512:15IAD - SYD
1 stop41h 00mANA
Deal found 20/2$3,029
Tue 1/408:55SYD - IAD
2 stops47h 27mAir Tahiti Nui
Tue 15/407:31IAD - SYD
3 stops41h 34mAir Tahiti Nui
Deal found 20/2$3,385
Sat 24/510:10SYD - IAD
2 stops33h 45mCathay Pacific
Thu 29/507:15IAD - SYD
2 stops46h 55mCathay Pacific
Deal found 19/2$8,374
Sat 24/507:55SYD - IAD
1 stop41h 20mKorean Air
Thu 29/513:15IAD - SYD
1 stop27h 05mKorean Air
Deal found 19/2$10,634
Fri 7/320:30SYD - IAD
1 stop50h 20mAir India
Fri 14/311:00IAD - SYD
1 stop41h 00mAir India
Deal found 20/2$16,228

Find flights to Dulles Intl within your budget

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 21 February 2025.

Fly from

Sydney

Route

Depart

Return

Price

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 8/3

11:15-22:20

2 stops27h 05m

Washington, D.C. Dulles Intl

Fri 4/4

14:12-08:05

2 stops26h 53m

$1,217

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 11/3

13:00-22:14

2 stops24h 14m

Washington, D.C. Dulles Intl

Wed 2/4

07:31-08:05

1 stop33h 34m

$1,759

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 11/3

10:30-15:58

3 stops44h 28m

Washington, D.C. Dulles Intl

Wed 2/4

14:40-08:20

2 stops26h 40m

$1,764

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 11/3

12:10-21:04

1 stop23h 54m

Washington, D.C. Dulles Intl

Tue 1/4

18:05-07:55

1 stop22h 50m

$1,819

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 9/3

21:00-20:30

2 stops38h 30m

Washington, D.C. Dulles Intl

Sun 30/3

21:40-20:00

2 stops31h 20m

$2,012

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 17/4

10:20-19:30

1 stop23h 10m

Washington, D.C. Dulles Intl

Tue 22/4

12:40-07:00

1 stop28h 20m

$2,276

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 17/4

09:30-17:22

1 stop21h 52m

Washington, D.C. Dulles Intl

Tue 22/4

06:42-07:00

2 stops34h 18m

$2,853

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 7/4

11:50-10:05

1 stop36h 15m

Washington, D.C. Dulles Intl

Sun 4/5

12:15-19:15

1 stop41h 00m

$3,029

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 1/4

08:55-17:22

2 stops47h 27m

Washington, D.C. Dulles Intl

Tue 15/4

07:31-15:05

3 stops41h 34m

$3,385

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 24/5

10:10-05:55

2 stops33h 45m

Washington, D.C. Dulles Intl

Thu 29/5

07:15-20:10

2 stops46h 55m

$8,374

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 26 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.

Travel insights for flights to Dulles Intl

Get recent, data-driven insights about flights to Dulles Intl including ideal travel times, pricing trends, and more.

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 14 February 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 20 hours 20 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 Air Canada, United Airlines and Virgin Australia.

Air Canada

Air Canada

From $850

United Airlines

United Airlines

From $1,063

Virgin Australia

Virgin Australia

From $1,235

ANA

ANA

From $1,230

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 21 February 2025.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Overall

8.7

Crew

9.1

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

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
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Overall

8.7

Crew

9.1

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

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
8.4
Very Good
836 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Overall

8.7

Crew

9.1

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

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
1,037 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Overall

8.7

Crew

9.1

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

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
8.1
Very Good
3,276 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Overall

8.7

Crew

9.1

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

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.

Delta
8.0
Very Good
8,217 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Overall

8.7

Crew

9.1

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

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.

  • 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 $176, while return flights cost around $653.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $417, however they can be found for as little as $417.

  • 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 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).

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