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$813+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
22 Jan — 29 Jan1
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 17 January 2025.

Return from

$1,349

One-way from

$813

Popular in

December

Cheapest in

February

Average price

$2,312
Qantas Airways
  • Qantas Airways
  • 6/2-27/2
  • 3 total stops
  • 45h 54m total
  • Sydney to Washington, D.C.
5/3
  • 5/3
  • 3 total stops
  • 47h 03m total
  • Sydney to Washington, D.C.
High demand for flights, 10% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for return flights in January 2025

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 17 January 2025.

Thu 6/207:30SYD - IAD
2 stops24h 44mQantas Airways
Thu 13/217:13IAD - SYD
2 stops25h 37mQantas Airways
Deal found 16/1$1,535
Tue 27/513:15SYD - IAD
2 stops31h 05mMultiple Airlines
Tue 17/617:00IAD - SYD
2 stops28h 45mMultiple Airlines
Deal found 16/1$1,921
Tue 22/419:40SYD - IAD
2 stops47h 35mAir China
Sat 3/518:00IAD - SYD
2 stops54h 50mAir China
Deal found 15/1$1,923
Fri 18/409:20SYD - IAD
2 stops50h 01mAir Canada
Thu 8/517:30IAD - SYD
1 stop23h 50mAir Canada
Deal found 15/1$1,955
Fri 25/409:55SYD - IAD
2 stops26h 24mAir New Zealand
Fri 9/517:37IAD - SYD
2 stops26h 58mAir New Zealand
Deal found 15/1$2,005
Tue 22/409:25SYD - IAD
2 stops24h 19mDelta
Tue 29/407:35IAD - SYD
2 stops33h 00mDelta
Deal found 15/1$2,060
Thu 6/211:20SYD - IAD
2 stops23h 23mUnited Airlines
Thu 27/217:45IAD - SYD
1 stop23h 20mUnited Airlines
Deal found 15/1$2,073
Thu 15/520:55SYD - IAD
1 stop27h 40mANA
Wed 16/712:15IAD - SYD
1 stop31h 10mANA
Deal found 16/1$2,124
Mon 3/321:40SYD - IAD
1 stop50h 40mQatar Airways
Mon 10/321:05IAD - SYD
1 stop30h 45mQatar Airways
Deal found 16/1$2,303
Thu 15/507:55SYD - IAD
1 stop41h 20mKorean Air
Wed 16/713:40IAD - SYD
1 stop26h 40mKorean Air
Deal found 16/1$2,523
Mon 21/410:20SYD - IAD
1 stop24h 54mVirgin Australia
Wed 30/416:00IAD - SYD
1 stop25h 00mVirgin Australia
Deal found 15/1$2,527
Sun 29/620:20SYD - IAD
1 stop48h 55mAir India
Sun 27/711:15IAD - SYD
1 stop41h 35mAir India
Deal found 15/1$2,802

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 17 January 2025.

Fly from

Any airport

Route

Depart

Return

Price

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 6/2

07:30-16:14

2 stops24h 44m

Washington, D.C. Dulles Intl

Thu 13/2

17:13-10:50

2 stops25h 37m

$1,535

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 27/5

13:15-06:20

2 stops31h 05m

Washington, D.C. Dulles Intl

Tue 17/6

17:00-11:45

2 stops28h 45m

$1,921

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 22/4

19:40-05:15

2 stops47h 35m

Washington, D.C. Dulles Intl

Sat 3/5

18:00-14:50

2 stops54h 50m

$1,923

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 18/4

09:20-21:21

2 stops50h 01m

Washington, D.C. Dulles Intl

Thu 8/5

17:30-07:20

1 stop23h 50m

$1,955

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 25/4

11:50-22:19

2 stops24h 29m

Washington, D.C. Dulles Intl

Sat 3/5

17:37-08:45

2 stops25h 08m

$2,005

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 22/4

09:25-19:44

2 stops24h 19m

Washington, D.C. Dulles Intl

Tue 29/4

07:35-06:35

2 stops33h 00m

$2,060

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 6/2

12:10-16:28

1 stop20h 18m

Washington, D.C. Dulles Intl

Thu 27/2

16:15-09:15

1 stop25h 00m

$2,073

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 15/5

20:55-10:35

1 stop27h 40m

Washington, D.C. Dulles Intl

Wed 16/7

12:15-09:25

1 stop31h 10m

$2,124

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 3/3

21:40-08:20

1 stop50h 40m

Washington, D.C. Dulles Intl

Mon 10/3

21:05-18:50

1 stop30h 45m

$2,303

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 15/5

07:55-11:15

1 stop41h 20m

Washington, D.C. Dulles Intl

Wed 16/7

13:40-06:20

1 stop26h 40m

$2,523

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 29 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 10 January 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 22 hours 32 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 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 17 January 2025.
Read reviews from past customers who have flown United Airlines and Qantas Airways to Washington, D.C.. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.8
Very Good
62 reviews

Entertainment

7.3

Overall

8.8

Crew

9.1

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2

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.

8.8
Very Good
62 reviews
8.8
Very Good
62 reviews

Entertainment

7.3

Overall

8.8

Crew

9.1

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2

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.

8.5
Very Good
1,034 reviews
8.8
Very Good
62 reviews

Entertainment

7.3

Overall

8.8

Crew

9.1

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2

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.

8.4
Very Good
847 reviews
8.8
Very Good
62 reviews

Entertainment

7.3

Overall

8.8

Crew

9.1

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2

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.

8.3
Very Good
466 reviews
8.8
Very Good
62 reviews

Entertainment

7.3

Overall

8.8

Crew

9.1

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2

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.

8.1
Very Good
3,351 reviews
8.8
Very Good
62 reviews

Entertainment

7.3

Overall

8.8

Crew

9.1

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2

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 $283, while return flights cost around $259.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $446, however they can be found for as little as $161.

  • 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 (21 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).

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