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Look for other cheap flights to Washington, D.C. Dulles Intl

$885 Cheap flights to Washington, D.C. Dulles Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Washington, D.C. Dulles Intl Airport departing on 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Australia to Washington, D.C. Dulles Intl Airport

Cheap return flights

Air New Zealand Logo
11:50 - 05:38SYD-IAD
32h 48m2 stops
Air New Zealand Logo
16:10 - 08:45IAD-SYD
25h 35m2 stops
$1,659Air New Zealand
Find Deal
Tue, 14 Oct - Wed, 29 Oct
Alaska Airlines Logo
21:40 - 06:23SYD-IAD
24h 43m2 stops
Alaska Airlines Logo
18:13 - 19:45IAD-SYD
33h 32m2 stops
$1,661Alaska Airlines
Find Deal
Tue, 4 Nov - Tue, 18 Nov
United Airlines Logo
10:30 - 05:38MEL-IAD
34h 08m1 stop
United Airlines Logo
08:50 - 09:15IAD-MEL
33h 25m2 stops
$1,897United Airlines
Find Deal
Wed, 8 Oct - Wed, 15 Oct
United Airlines Logo
10:30 - 05:38MEL-IAD
34h 08m1 stop
United Airlines Logo
07:00 - 08:30IAD-MEL
34h 30m1 stop
$1,906United Airlines
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Air Canada Logo
11:20 - 20:59SYD-IAD
25h 39m2 stops
Air Canada Logo
09:45 - 09:35IAD-SYD
31h 50m3 stops
$1,940Air Canada
Find Deal
Mon, 3 Nov - Tue, 18 Nov
Air Canada Logo
10:20 - 11:23SYD-IAD
40h 03m2 stops
Air Canada Logo
09:45 - 09:35IAD-SYD
31h 50m3 stops
$1,983Air Canada
Find Deal
Wed, 29 Oct - Tue, 4 Nov
Virgin Australia Logo
21:00 - 16:26MEL-IAD
35h 26m2 stops
Virgin Australia Logo
16:10 - 10:35IAD-MEL
26h 25m2 stops
$2,577Virgin Australia
Find Deal
Sun, 23 Nov - Tue, 20 Jan
Qantas Airways Logo
09:40 - 22:41BNE-IAD
28h 01m1 stop
Qantas Airways Logo
16:58 - 06:30IAD-BNE
22h 32m1 stop
$2,885Qantas Airways
Find Deal
Mon, 1 Dec - Thu, 4 Dec
Virgin Australia Logo
23:45 - 21:10PER-IAD
33h 25m2 stops
Virgin Australia Logo
16:10 - 14:45IAD-PER
33h 35m2 stops
$2,926Virgin Australia
Find Deal
Mon, 13 Oct - Mon, 5 Jan
Qantas Airways Logo
09:40 - 22:32BNE-IAD
27h 52m1 stop
Qantas Airways Logo
17:22 - 06:30IAD-BNE
22h 08m1 stop
$3,097Qantas Airways
Find Deal
Mon, 1 Dec - Thu, 4 Dec

momondo Fare Finder

 
Locate flights to Washington, D.C. Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 25 August 2025.
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

Tue 14/10

11:50-05:38

2 stops32h 48m

Washington, D.C. Dulles Intl

Wed 29/10

16:10-08:45

2 stops25h 35m

$1,659

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 4/11

21:40-06:23

2 stops24h 43m

Washington, D.C. Dulles Intl

Tue 18/11

18:13-19:45

2 stops33h 32m

$1,661

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Wed 8/10

10:30-05:38

1 stop34h 08m

Washington, D.C. Dulles Intl

Wed 15/10

08:50-09:15

2 stops33h 25m

$1,896

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Wed 8/10

10:30-05:38

1 stop34h 08m

Washington, D.C. Dulles Intl

Wed 15/10

07:00-08:30

1 stop34h 30m

$1,906

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 3/11

11:20-20:59

2 stops25h 39m

Washington, D.C. Dulles Intl

Tue 18/11

09:45-09:35

3 stops31h 50m

$1,940

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 29/10

10:20-11:23

2 stops40h 03m

Washington, D.C. Dulles Intl

Tue 4/11

09:45-09:35

3 stops31h 50m

$1,983

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Sun 23/11

21:00-16:26

2 stops35h 26m

Washington, D.C. Dulles Intl

Tue 20/1

16:10-10:35

2 stops26h 25m

$2,577

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Mon 1/12

09:40-22:41

1 stop28h 01m

Washington, D.C. Dulles Intl

Thu 4/12

16:58-06:30

1 stop22h 32m

$2,885

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 13/10

23:45-21:10

2 stops33h 25m

Washington, D.C. Dulles Intl

Mon 5/1

16:10-14:45

2 stops33h 35m

$2,926

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Mon 1/12

09:40-22:32

1 stop27h 52m

Washington, D.C. Dulles Intl

Thu 4/12

17:22-06:30

1 stop22h 08m

$3,097

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Washington, D.C. Dulles Intl Airport from

Flights to Washington, D.C. Dulles Intl Airport – Travel Insights & Trends

Get data-powered insights and trends for flights to Washington, D.C. Dulles Intl Airport to help you craft the best travel plan.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Friday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Australia. The lowest ticket price found for a Friday departure recently was $2,044. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Saturday is $2,249.

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

The cheapest month to fly to Washington, D.C. Dulles Intl Airport from Australia is in March. Flight prices, which tend to average around $1,615, are often lower during this time because this is during the off-season. If you’re not able to fly to Washington, D.C. Dulles Intl Airport in March, then August is your next best option. Flight prices from Australia to Washington, D.C. Dulles Intl Airport during August average around $1,749.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the morning when flights can be purchased for as low as $2,113. Flights to Washington, D.C. Dulles Intl Airport are more costly at midday, with an average ticket price of $2,332. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $2,002 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Australia for as low as $1,767 on momondo.

Cheapest flights to Washington, D.C. Dulles Intl

Find the cheapest flights to Washington, D.C. Dulles Intl from your nearest city or airport
Find flights from Sydney to Washington, D.C. Dulles Intl Airport
CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM SYDNEYMarch20% cheaperFlying from Sydney to Washington, D.C. Dulles Intl Airport costs on average just $1,615 in March
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM SYDNEYDecember23% more expensiveIt costs about $2,475 for flights to Washington, D.C. Dulles Intl Airport from Sydney in December
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM SYDNEYDecember237% more users visitedMore momondo users searched in flights to Washington, D.C. Dulles Intl Airport from Sydney in December than any other month

Cheap Washington, D.C. Dulles Intl Airport flight deals and tips

Summary info about Washington, D.C. Dulles Intl Airport flight prices, duration and airlines

Best One-Way Price

$885

Best Round-Trip Price

$1,659

Fastest flight time

25h 45m

Popular in

December
The best one-way flight price to Washington, D.C. from Australia in the last 72 hours is $885 (Sydney Kingsford Smith to Washington, D.C. Dulles Intl).
Search Deals
The best round-trip flight price to Washington, D.C. from Australia in the last 72 hours is $1,659 (Sydney Kingsford Smith to Washington, D.C. Dulles Intl).
Search Deals
The fastest flight to Washington, D.C. from Australia takes 25h 45m (Sydney Kingsford Smith to Washington, D.C. Dulles Intl).
Search Deals
December has the highest demand for flights to Washington, D.C., with a 5% price increase on average.
Search Deals

Frequently asked questions about flying to Washington, D.C. Dulles Intl Airport

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

Most travellers find the cheapest return flights to Washington, D.C. Dulles Intl Airport when choosing a flight departing in March.

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

Most flyers found that booking flight tickets 27 days in advance of their planned departure date is, on average, the best time to get cheap flights to Washington, D.C. Dulles Intl Airport.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

In general, booking your departure to Washington, D.C. Dulles Intl Airport for a Friday represents the best deal on airfare. Try to avoid a Saturday departure to stay away from the highest prices.

What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?

On average you can find the best deals on plane tickets to Washington, D.C. Dulles Intl Airport when looking for flights with Morning departure times.

Is there an alternative airport near Washington, D.C. Dulles Intl Airport?

Those flying to Washington, D.C. Dulles Intl Airport could potentially find better pricing at Washington, D.C. Reagan-National Airport (6 km from Washington, D.C. city centre) or Baltimore/Washington Airport (44 km from Washington, D.C. city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Washington, D.C.?

With an average price of $332 per person, Baltimore/Washington Airport is the cheapest airport to fly into when planning your trip to Washington, D.C.. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

What is the absolute cheapest flight to Washington, D.C.?

The best price found on momondo to Washington, D.C. was $74/pp from Boston, which is 84% cheaper than the average flight price to Washington, D.C.. To find the cheapest price to Washington, D.C. from your area, use momondo’s Airport-to-Airport Pricing Tool.

Which airlines fly to Washington, D.C. Dulles Intl Airport?

You can find flights to Washington, D.C. Dulles Intl Airport from 10 airlines. If you’re unsure which to fly with, consider booking your flight with United Airlines, Air Canada or Virgin Australia as these are the most popular among our users. United Airlines is the most favoured with 43% of momondo travellers booking flights with this airline.

When did momondo last update prices for flights to Washington, D.C. Dulles Intl Airport?

Prices for flights to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Washington, D.C. Dulles Intl Airport?

The number of operators available for flights to Washington, D.C. Dulles Intl Airport is 11 as of August 2025.

How old do you have to be to fly to Washington, D.C. Dulles Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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
McLean
Linthicum Heights
Winchester
Arlington

Why use momondo?

Why should I use momondo to find a flight deal to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights to Washington, D.C. with flexible booking policies on momondo?

All flight searches to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Washington, D.C..

I’m not ready to book a flight to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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