What is the cheapest month to fly to Dulles Intl?

At the present moment the cheapest month to fly to Dulles Intl is currently February ; with December being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

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 $149, while return flights cost around $107.

How much is a return flight to Dulles Intl?

A return flight to Dulles Intl will typically cost around $85, however they can be found for as little as $70.

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 43 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).

$992+ Flights to Dulles Intl

Flights to Dulles Intl in 2025

Return from	$1,448
One-way from	$992
Popular in	December
Cheapest in	February
Average price	$2,174

27/8-3/9
4 total stops
71h 39m total
Sydney to Washington, D.C.

Search Deals

Etihad Airways
9/10
1 total stop
33h 40m total
Sydney to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($377 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($90 potential savings vs. average return price).

Search Deals

Average for return flights in July 2025

Search Deals

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 15 July 2025.

Mon 11/811:50SYD - IAD

2 stops34h 15mAir New Zealand

Sat 23/808:50IAD - SYD

2 stops33h 55mAir New Zealand

Deal found 14/7$1,710

Tue 16/920:55SYD - IAD

1 stop27h 10mANA

Fri 26/912:15IAD - SYD

1 stop41h 00mANA

Deal found 13/7$2,026

Sun 31/809:10SYD - IAD

2 stops39h 51mAmerican Airlines

Wed 3/906:25IAD - SYD

1 stop34h 30mAmerican Airlines

Deal found 14/7$2,073

Sun 10/809:20SYD - IAD

2 stops38h 17mAir Canada

Sun 17/809:35IAD - SYD

2 stops31h 45mAir Canada

Deal found 13/7$2,117

Fri 1/817:45SYD - IAD

1 stop36h 40mMultiple Airlines

Wed 13/820:19IAD - SYD

2 stops52h 21mMultiple Airlines

Deal found 14/7$2,149

Mon 6/1010:30SYD - IAD

2 stops23h 22mUnited Airlines

Mon 13/1015:00IAD - SYD

1 stop25h 55mUnited Airlines

Deal found 13/7$2,249

Thu 28/821:40SYD - IAD

2 stops40h 40mAlaska Airlines

Thu 4/918:09IAD - SYD

2 stops35h 36mAlaska Airlines

Deal found 14/7$2,380

Best flights to Dulles Intl Airport
Discover carefully curated flight deals to Dulles Intl Airport that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 July 2025.

Mon 11/811:50SYD - IAD

2 stops34h 15mAir New Zealand

Sat 23/808:50IAD - SYD

2 stops33h 55mAir New Zealand

Deal found 14/7$1,710

Tue 16/920:55SYD - IAD

1 stop27h 10mANA

Fri 26/912:15IAD - SYD

1 stop41h 00mANA

Deal found 13/7$2,026

Sun 31/809:10SYD - IAD

2 stops39h 51mAmerican Airlines

Wed 3/917:40IAD - SYD

1 stop23h 15mAmerican Airlines

Deal found 12/7$2,079

Sun 10/809:20SYD - IAD

2 stops38h 17mAir Canada

Sun 17/809:35IAD - SYD

2 stops31h 45mAir Canada

Deal found 13/7$2,117

Fri 1/817:45SYD - IAD

1 stop36h 40mMultiple Airlines

Wed 13/820:19IAD - SYD

2 stops52h 21mMultiple Airlines

Deal found 14/7$2,149

Mon 6/1010:30SYD - IAD

2 stops23h 22mUnited Airlines

Mon 13/1015:00IAD - SYD

1 stop25h 55mUnited Airlines

Deal found 13/7$2,249

Thu 28/821:40SYD - IAD

2 stops40h 40mAlaska Airlines

Thu 4/918:09IAD - SYD

2 stops35h 36mAlaska Airlines

Deal found 14/7$2,380

Last-minute flights to Dulles Intl Airport
Discover last-minute flight deals to Dulles Intl Airport. Data last updated 15 July 2025 and is based on user searches.

Tue 5/809:55SYD - IAD

2 stops29h 04mAir New Zealand

Fri 15/817:55IAD - SYD

2 stops26h 40mAir New Zealand

Deal found 15/7$1,710

Tue 5/817:45SYD - IAD

1 stop36h 40mMultiple Airlines

Fri 15/820:19IAD - SYD

2 stops52h 21mMultiple Airlines

Deal found 15/7$2,029

Sun 10/809:20SYD - IAD

2 stops38h 17mAir Canada

Sun 17/809:35IAD - SYD

2 stops31h 45mAir Canada

Deal found 13/7$2,117

Sat 16/810:20SYD - IAD

1 stop20h 03mUnited Airlines

Sun 24/813:15IAD - SYD

2 stops27h 40mUnited Airlines

Deal found 14/7$2,624

Thu 28/811:50SYD - IAD

1 stop36h 15mANA

Thu 4/912:15IAD - SYD

1 stop31h 10mANA

Deal found 14/7$2,090

Thu 28/821:40SYD - IAD

2 stops40h 40mAlaska Airlines

Thu 4/918:09IAD - SYD

2 stops35h 36mAlaska Airlines

Deal found 14/7$2,380

Sun 31/809:10SYD - IAD

2 stops39h 51mAmerican Airlines

Wed 3/906:25IAD - SYD

1 stop34h 30mAmerican Airlines

Deal found 14/7$2,073

Sun 31/809:25SYD - IAD

2 stops23h 24mDelta

Wed 3/907:22IAD - SYD

2 stops33h 13mDelta

Deal found 13/7$2,774

One-way flights to Dulles Intl Airport
Search for one-way flight options to Dulles Intl Airport. Find affordable one-way fares based on user searches. Data last updated 15 July 2025.

Thu 9/1021:30SYD - IAD

1 stop33h 40mEtihad Airways

Deal found 13/7$992

Fri 25/716:20SYD - IAD

2 stops29h 07mMultiple Airlines

Deal found 12/7$1,003

Thu 24/719:40SYD - IAD

1 stop37h 50mAir China

Deal found 12/7$1,026

Mon 6/1011:20SYD - IAD

3 stops35h 12mUnited Airlines

Deal found 13/7$1,441

Thu 24/721:40SYD - IAD

2 stops23h 47mAlaska Airlines

Deal found 12/7$1,555

Thu 24/709:20SYD - IAD

1 stop35h 01mAir Canada

Deal found 12/7$1,613

Tue 22/714:50SYD - IAD

1 stop31h 50mQatar Airways

Deal found 12/7$1,838

Wed 23/720:55SYD - IAD

2 stops36h 50mTurkish Airlines

Deal found 12/7$1,893

Sat 26/709:55SYD - IAD

2 stops34h 58mAir New Zealand

Deal found 12/7$2,151

Sun 27/711:50SYD - IAD

3 stops40h 52mLATAM Airlines

Deal found 12/7$2,181

Wed 23/718:05SYD - IAD

3 stops60h 20mSingapore Airlines

Deal found 12/7$3,337

Fri 26/919:30SYD - IAD

1 stop50h 10mAir India

Deal found 14/7$5,300

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

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 11/8

11:50-08:05

2 stops34h 15m

Washington, D.C. Dulles Intl

Sat 23/8

08:50-08:45

2 stops33h 55m

$1,710

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 16/9

20:55-10:05

1 stop27h 10m

Washington, D.C. Dulles Intl

Fri 26/9

12:15-19:15

1 stop41h 00m

$2,026

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 31/8

09:10-11:01

2 stops39h 51m

Washington, D.C. Dulles Intl

Wed 3/9

06:25-06:55

1 stop34h 30m

$2,073

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 10/8

09:20-09:37

2 stops38h 17m

Washington, D.C. Dulles Intl

Sun 17/8

09:35-07:20

2 stops31h 45m

$2,117

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 1/8

17:45-16:25

1 stop36h 40m

Washington, D.C. Dulles Intl

Wed 13/8

20:19-14:40

2 stops52h 21m

$2,149

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 6/10

10:30-18:52

2 stops23h 22m

Washington, D.C. Dulles Intl

Mon 13/10

15:00-07:55

1 stop25h 55m

$2,249

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 28/8

21:40-00:20

2 stops40h 40m

Washington, D.C. Dulles Intl

Thu 4/9

18:09-19:45

2 stops35h 36m

$2,380

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 9/10

21:30-16:10

1 stop33h 40m

$992

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 25/7

16:20-07:27

2 stops29h 07m

$1,003

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 24/7

19:40-19:30

1 stop37h 50m

$1,026

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 20 results

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?

To ensure you get the cheapest price possible for a flight to Dulles Intl, you should look to book at least 27 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 23 hours 0 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?

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.

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

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

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

See what other customers who have flown with ANA, Korean Air, andSingapore 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.

ANA

8.4

Very Good

902 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

ANA

8.4

Very Good

902 reviews

ANA

8.4

Very Good

902 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Korean Air

8.4

Very Good

1,109 reviews

ANA

8.4

Very Good

902 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Singapore Airlines

8.1

Very Good

1,326 reviews

ANA

8.4

Very Good

902 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Air New Zealand

8.0

Very Good

494 reviews

ANA

8.4

Very Good

902 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Alaska Airlines

8.0

Very Good

10,000 reviews

ANA

8.4

Very Good

902 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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 $149, while return flights cost around $107.
How much is a return flight to Dulles Intl?
A return flight to Dulles Intl will typically cost around $85, however they can be found for as little as $70.
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 43 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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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.

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$992+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 15 July 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to Dulles Intl Airport

Cheapest flights to Dulles Intl AirportExplore 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 15 July 2025.

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 15 July 2025.

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 15 July 2025.

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

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.

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 11 July 2025.

How long is the flight to Dulles Intl?

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.

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

What are the cheapest airlines that fly to Dulles Intl?

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with ANA, Korean Air, andSingapore 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.

FAQs about flying to Dulles Intl

Can I find cheaper flights to Dulles Intl if I am willing to have stopovers?

What is the best airline to fly to Dulles Intl?

What is the cheapest airport to fly to in Dulles Intl?

How much is a return flight to Dulles Intl?

Where does the fastest flight to Dulles Intl depart from?

Does Washington, D.C. Dulles Intl have car hire?

Are there hotels close to Washington, D.C. Dulles Intl?

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Dulles Intl by cabin class

Find flights to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Dulles Intl?

Why should you use Cheapflights to find cheap flight tickets to Dulles Intl?

Can Cheapflights find flights to Dulles Intl with no change fees?

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

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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 15 July 2025.