Is United Airlines the cheapest airline to fly with from Sydney to Washington, D.C. Dulles Intl Airport?

With an average price of $1,439 return, United Airlines is not the cheapest airline to fly from Sydney to Washington, D.C. Dulles Intl Airport with. Instead, for the lowest price, our data suggests flying with American Airlines, where a return flight costs $1,054 on average.

Does United Airlines fly direct to Washington, D.C. Dulles Intl Airport from Sydney?

No, United Airlines does not fly the route directly.

What’s the cheapest day of the week to fly from Sydney to Washington, D.C. Dulles Intl Airport with United Airlines?

On average, the cheapest day of the week to fly from Sydney to Washington, D.C. Dulles Intl Airport with United Airlines is Sunday, when prices are around $657. The most expensive day is generally Saturday, when the average price is around $974.

What’s the cheapest month to fly from Sydney to Washington, D.C. Dulles Intl Airport with United Airlines?

The cheapest month for United Airlines flights to Washington, D.C. Dulles Intl Airport from Sydney is generally September, where plane tickets cost $657 on average. If possible, try to avoid the most expensive months of November and January, when tickets cost $1,133 and $1,391 respectively.

$1,424 Cheap United Airlines Flights from Sydney to Washington, D.C. Dulles Intl Airport

SYD - IAD

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Flight Deals

Cheap United Airlines Flight Deals from Sydney to Washington, D.C. Dulles Intl Airport

Here are some of the best deals found on KAYAK recently from United Airlines for return flights from Sydney to Washington, D.C. Dulles Intl Airport that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent return United Airlines flight deals from Sydney to Washington, D.C. Dulles Intl Airport

Wed, 24 Dec - Sat, 10 Jan

14:00 - 19:18SYD-IAD

21h 18m1 stop

22:05 - 09:05IAD-SYD

43h 00m1 stop

$2,232United Airlines

Find Deal

Sun, 11 Jan - Mon, 19 Jan

11:20 - 05:24SYD-IAD

34h 04m1 stop

16:10 - 06:20IAD-SYD

22h 10m1 stop

$2,306United Airlines

Find Deal

Tue, 24 Feb - Fri, 15 May

12:10 - 21:04SYD-IAD

24h 54m1 stop

12:40 - 06:55IAD-SYD

28h 15m1 stop

$2,318United Airlines

Find Deal

Wed, 15 Oct - Thu, 23 Oct

11:20 - 18:52SYD-IAD

22h 32m1 stop

16:00 - 07:55IAD-SYD

24h 55m1 stop

$2,606United Airlines

Find Deal

Tue, 30 Sep - Tue, 7 Oct

09:30 - 21:01SYD-IAD

25h 31m1 stop

08:50 - 08:00IAD-SYD

32h 10m1 stop

$2,608United Airlines

Find Deal

Tue, 30 Sep - Tue, 7 Oct

09:30 - 19:23SYD-IAD

23h 53m2 stops

08:50 - 08:00IAD-SYD

32h 10m1 stop

$2,615United Airlines

Find Deal

Tue, 30 Sep - Tue, 7 Oct

09:30 - 16:24SYD-IAD

20h 54m1 stop

18:30 - 08:00IAD-SYD

22h 30m1 stop

$2,626United Airlines

Find Deal

Tue, 30 Sep - Tue, 7 Oct

10:20 - 19:23SYD-IAD

23h 03m2 stops

18:30 - 08:00IAD-SYD

22h 30m1 stop

$2,634United Airlines

Find Deal

Fri, 17 Oct - Fri, 24 Oct

11:20 - 16:25SYD-IAD

20h 05m1 stop

18:58 - 07:55IAD-SYD

21h 57m1 stop

$2,684United Airlines

Find Deal

Tue, 16 Dec - Tue, 6 Jan

11:50 - 16:18SYD-IAD

20h 28m1 stop

16:10 - 06:20IAD-SYD

22h 10m1 stop

$2,871United Airlines

Find Deal

Useful Info

Low season	January
High season	December
Cheapest flight	$1,424
Average price round-trip	$1,815

Best time to beat the crowds but there is an average 10% increase in price.

Most popular time to fly (23% more expensive on average)

Flight from Sydney to Washington Dulles Airport

(price for this month)

When to Book Flights with United Airlines from Sydney to Washington, D.C. Dulles Intl Airport

Average price per month

Flight prices as travel date approaches

Is United Airlines the cheapest airline to fly with from Sydney to Washington, D.C. Dulles Intl Airport?
With an average price of $1,439 return, United Airlines is not the cheapest airline to fly from Sydney to Washington, D.C. Dulles Intl Airport with. Instead, for the lowest price, our data suggests flying with American Airlines, where a return flight costs $1,054 on average.
Does United Airlines fly direct to Washington, D.C. Dulles Intl Airport from Sydney?
No, United Airlines does not fly the route directly.
What’s the cheapest day of the week to fly from Sydney to Washington, D.C. Dulles Intl Airport with United Airlines?
On average, the cheapest day of the week to fly from Sydney to Washington, D.C. Dulles Intl Airport with United Airlines is Sunday, when prices are around $657. The most expensive day is generally Saturday, when the average price is around $974.
What’s the cheapest month to fly from Sydney to Washington, D.C. Dulles Intl Airport with United Airlines?
The cheapest month for United Airlines flights to Washington, D.C. Dulles Intl Airport from Sydney is generally September, where plane tickets cost $657 on average. If possible, try to avoid the most expensive months of November and January, when tickets cost $1,133 and $1,391 respectively.

7.4

Good8,937 verified ratings

7.3Comfort

8.1Crew

7.1Entertainment

7.7Boarding

6.6Food

Pros +

Cons -

Customer service was very poor. (in 236 reviews)

Show reviews that mention

10.0 Wonderful

Thomas, Aug 2025

CMH-IAD

IAD with the archaic people movers is just a place to be avoided.

6.0 Okay

CLEVELAND, Aug 2025

IAH-LFT

Tight

8.0 Very Good

CLEVELAND, Aug 2025

TPA-IAH

Professional and courteous in all aspects.

8.0 Very Good

Verified traveller, Aug 2025

BKK-NRT

Overall is good, food okay!

8.0 Very Good

Tim, Aug 2025

IAD-MUC

Great service on board. Boarding a bit slow due to process. Food was pretty average.

8.0 Very Good

Tim, Aug 2025

GSP-IAD

It was barebones, but it was expected.

6.0 Okay

Milos, Aug 2025

BOS-VIE

Tastless food and too obvious lack of enthusiasm for service in the economy vesus business class

10.0 Wonderful

Paulos, Aug 2025

YUL-IAD

Overall, it was good. I was seating next to a wonderful lady and did not notice how time flew. Thanks

10.0 Wonderful

Mark, Aug 2025

EWR-GSO

Everything was perfect. Flight attendant was so nice.

2.0 Poor

Verified traveller, Aug 2025

EWR-MCO

8 hour delay. Not happy

Everything you need to know for your flight from Sydney to Washington, D.C. Dulles Intl Airport

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$1,424 Find Cheap United Airlines Flights from Sydney to Washington, D.C. Dulles Intl Airport

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Cheap United Airlines Flight Deals from Sydney to Washington, D.C. Dulles Intl Airport

Recent return United Airlines flight deals from Sydney to Washington, D.C. Dulles Intl Airport

Recent one-way United Airlines flight deals from Sydney to Washington, D.C. Dulles Intl Airport

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When to Book Flights with United Airlines from Sydney to Washington, D.C. Dulles Intl Airport

FAQs for flying to Washington, D.C. Dulles Intl Airport with United Airlines

Is United Airlines the cheapest airline to fly with from Sydney to Washington, D.C. Dulles Intl Airport?

Does United Airlines fly direct to Washington, D.C. Dulles Intl Airport from Sydney?

What’s the cheapest day of the week to fly from Sydney to Washington, D.C. Dulles Intl Airport with United Airlines?

What’s the cheapest month to fly from Sydney to Washington, D.C. Dulles Intl Airport with United Airlines?

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Everything you need to know for your flight from Sydney to Washington, D.C. Dulles Intl Airport

Cabin class types available on flights to Washington, D.C. Dulles Intl Airport

Cabin classes available on flights to Sydney. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

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