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$872+ 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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
20 Jan — 27 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Dulles Intl in 2025

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 21 December 2025.

Thu 25/1212:10SYD - IAD
1 stop33h 12mUnited Airlines
Wed 14/108:20IAD - SYD
2 stops30h 40mUnited Airlines
Deal found 19/12$1,779
Wed 24/1220:40SYD - IAD
2 stops50h 38mAir China
Fri 26/1222:00IAD - SYD
1 stop49h 30mAir China
Deal found 20/12$2,277
Sat 20/1212:10SYD - IAD
1 stop25h 13mUnited Airlines
Thu 15/112:40IAD - SYD
1 stop28h 25mUnited Airlines
Deal found 19/12$2,708
Wed 31/1211:50SYD - IAD
2 stops25h 04mUnited Airlines
Fri 2/118:37IAD - SYD
1 stop22h 38mUnited Airlines
Deal found 20/12$2,745
Wed 24/1212:10SYD - IAD
1 stop20h 20mUnited Airlines
Fri 26/1212:35IAD - SYD
1 stop28h 30mUnited Airlines
Deal found 20/12$2,747
Wed 24/1211:20SYD - IAD
3 stops45h 04mAir Canada
Fri 26/1222:08IAD - SYD
2 stops43h 27mAir Canada
Deal found 20/12$2,942
Wed 31/1211:20SYD - IAD
2 stops40h 27mAir Canada
Fri 2/112:43IAD - SYD
2 stops28h 52mAir Canada
Deal found 20/12$3,420
Thu 25/1206:20SYD - IAD
3 stops30h 39mMultiple Airlines
Wed 14/110:40IAD - SYD
2 stops32h 30mMultiple Airlines
Deal found 19/12$3,796
Sat 20/1216:00SYD - IAD
2 stops35h 35mAir Canada
Thu 15/109:45IAD - SYD
3 stops31h 50mAir Canada
Deal found 19/12$3,804

Find flight deals to Dulles Intl Airport

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 December 2025.

Return from

$1,713

One-way from

$872

Popular in

December

Cheapest in

February

Average price

$2,573
Air New Zealand
  • Air New Zealand
  • 8/5-24/5
  • 4 total stops
  • 71h 27m total
  • Sydney to Washington, D.C.
Search Deals
28/1
  • 28/1
  • 3 total stops
  • 43h 53m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($258 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($63 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals

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 21 December 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

Mon 19/1

14:05-23:12

2 stops25h 07m

Washington, D.C. Dulles Intl

Tue 3/2

13:08-09:00

2 stops27h 52m

$1,764

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 26/1

10:40-18:21

2 stops23h 41m

Washington, D.C. Dulles Intl

Mon 9/2

14:15-08:30

2 stops26h 15m

$1,779

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 19/1

13:55-00:59

2 stops27h 04m

Washington, D.C. Dulles Intl

Mon 26/1

12:35-10:30

2 stops29h 55m

$1,879

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 2/2

11:20-20:29

2 stops25h 09m

Washington, D.C. Dulles Intl

Mon 9/2

09:45-09:35

3 stops31h 50m

$1,896

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 19/1

11:20-20:26

2 stops25h 06m

Washington, D.C. Dulles Intl

Tue 3/2

09:45-09:35

3 stops31h 50m

$2,177

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 10/5

09:30-00:44

1 stop29h 14m

Washington, D.C. Dulles Intl

Sat 23/5

22:05-07:00

1 stop42h 55m

$2,295

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 8/5

09:20-21:05

2 stops25h 45m

Washington, D.C. Dulles Intl

Mon 25/5

22:05-07:20

2 stops43h 15m

$2,296

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 19/1

21:40-17:04

3 stops35h 24m

Washington, D.C. Dulles Intl

Tue 3/2

17:26-19:45

3 stops34h 19m

$2,305

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 9/5

09:20-20:29

2 stops25h 09m

Washington, D.C. Dulles Intl

Mon 25/5

16:10-07:20

2 stops25h 10m

$2,396

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 18/1

21:40-17:04

3 stops35h 24m

Washington, D.C. Dulles Intl

Sun 25/1

18:04-19:45

2 stops33h 41m

$2,419

Flights are sorted by cheapest return flights first.

Deals found on 19/12

Showing 1-10 of 23 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 19 December 2025.

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 21 December 2025.
See what other customers who have flown with Air New Zealand, Virgin Australia, andQantas Airways 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.
Air New Zealand
8.0
Very Good
556 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.5

Food

7.4

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
Air New Zealand
8.0
Very Good
556 reviews
Air New Zealand
8.0
Very Good
556 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.5

Food

7.4

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
Virgin Australia
7.6
Good
428 reviews
Air New Zealand
8.0
Very Good
556 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.5

Food

7.4

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
Qantas Airways
7.5
Good
948 reviews
Air New Zealand
8.0
Very Good
556 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.5

Food

7.4

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
United Airlines
7.4
Good
9,099 reviews
Air New Zealand
8.0
Very Good
556 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.5

Food

7.4

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
Air Canada
7.1
Good
10,549 reviews
Air New Zealand
8.0
Very Good
556 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.5

Food

7.4

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

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 $282, while return flights cost around $1,940.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $1,940, however they can be found for as little as $1,940.

  • 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 24 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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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.

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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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