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$154+ Cheap flights from Washington, D.C. Dulles Intl Airport

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — SYD
26 Feb — 5 Mar1
1 adult

What to know about flights from Dulles Intl

Discover essential information about flights departing from Dulles Intl, including flight schedules, destinations, airlines operating at the Dulles Intl airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 21 February 2025.

Cheapest airline

LATAM Airlines

Good round-trip deal

$683 or less

Good one-way deal

$145 or less
On average, LATAM Airlines currently has the cheapest one-way flight from Washington, D.C. Dulles Intl (avg. price of $597).
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl.

Find flights from Dulles Intl

Cheapest flights from Dulles Intl
Explore the most affordable flight options available from Dulles Intl. Find the lowest fares based on data from user searches, with prices last updated on 21 February 2025.

Wed 7/513:59IAD - BNE
2 stops25h 01mAmerican Airlines
Tue 13/522:00BNE - IAD
2 stops24h 51mAmerican Airlines
Deal found 21/2$1,295
Wed 13/813:56IAD - SYD
2 stops26h 59mAmerican Airlines
Wed 20/812:10SYD - IAD
1 stop24h 31mAmerican Airlines
Deal found 20/2$1,312
Thu 1/517:13IAD - MEL
2 stops26h 52mAmerican Airlines
Sat 10/509:40MEL - IAD
2 stops23h 56mAmerican Airlines
Deal found 21/2$1,351
Mon 3/318:10IAD - ISB
1 stop28h 00mSAUDIA
Sun 27/410:50ISB - IAD
2 stops37h 55mSAUDIA
Deal found 20/2$1,361
Sun 9/317:20IAD - SYD
1 stop22h 15mQantas Airways
Fri 21/311:50SYD - IAD
1 stop25h 24mQantas Airways
Deal found 20/2$1,420
Mon 3/320:05IAD - ISB
1 stop19h 35mQatar Airways
Fri 9/503:30ISB - IAD
1 stop21h 10mQatar Airways
Deal found 20/2$1,449
Sun 13/415:05IAD - SYD
2 stops25h 30mDelta
Tue 22/409:25SYD - IAD
2 stops28h 01mDelta
Deal found 21/2$1,452
Fri 7/310:35IAD - ISB
1 stop29h 05mMultiple Airlines
Sat 15/303:10ISB - IAD
1 stop22h 45mMultiple Airlines
Deal found 20/2$1,544
Sun 16/317:20IAD - ADL
2 stops28h 25mQantas Airways
Sun 23/307:55ADL - IAD
2 stops28h 49mQantas Airways
Deal found 20/2$1,635
Sun 1/611:47IAD - DRW
2 stops35h 18mAmerican Airlines
Fri 31/1000:30DRW - IAD
2 stops35h 22mAmerican Airlines
Deal found 19/2$1,668
Sun 6/417:13IAD - CBR
2 stops26h 57mQantas Airways
Sun 13/409:55CBR - IAD
2 stops26h 47mQantas Airways
Deal found 20/2$1,693
Fri 4/422:05IAD - ISB
1 stop20h 10mEtihad Airways
Tue 15/419:35ISB - IAD
1 stop30h 00mEtihad Airways
Deal found 20/2$1,717

Find flights from Dulles Intl within your budget

Find flights departing from Dulles Intl that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 21 February 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Wed 7/5

13:59-05:00

2 stops25h 01m

Brisbane

Tue 13/5

22:00-08:51

2 stops24h 51m

$1,295

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 13/8

13:56-06:55

2 stops26h 59m

Sydney Kingsford Smith

Wed 20/8

12:10-22:41

1 stop24h 31m

$1,312

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Thu 1/5

17:13-10:05

2 stops26h 52m

Melbourne

Sat 10/5

09:40-19:36

2 stops23h 56m

$1,351

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Mon 3/3

18:10-08:10

1 stop28h 00m

Islamabad Intl

Sun 27/4

10:50-15:45

2 stops37h 55m

$1,361

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 9/3

17:20-06:35

1 stop22h 15m

Sydney Kingsford Smith

Fri 21/3

11:50-22:14

1 stop25h 24m

$1,420

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Mon 3/3

20:05-01:40

1 stop19h 35m

Islamabad Intl

Fri 9/5

03:30-15:40

1 stop21h 10m

$1,449

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 13/4

15:05-06:35

2 stops25h 30m

Sydney Kingsford Smith

Tue 22/4

09:25-23:26

2 stops28h 01m

$1,452

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Fri 7/3

10:35-01:40

1 stop29h 05m

Islamabad Intl

Sat 15/3

03:10-16:55

1 stop22h 45m

$1,544

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 16/3

17:20-12:15

2 stops28h 25m

Adelaide

Sun 23/3

07:55-22:14

2 stops28h 49m

$1,635

Washington, D.C.Darwin

IAD - DRW

IADDRW

Washington, D.C. Dulles Intl

Sun 1/6

11:47-12:35

2 stops35h 18m

Darwin

Fri 3/10

01:35-22:30

2 stops34h 25m

$1,668

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 60 results
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Best time to book a flight from Dulles Intl

Have a flexible travel schedule? Discover the best time to fly from 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 from Dulles Intl

Get recent, data-driven insights about flights from Dulles Intl including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Dulles Intl to Sydney. Price data was last updated on 14 February 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport?

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of $1,246). Flying from Washington, D.C. Dulles Intl Airport in September will prove the most costly (average of $1,466). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Dulles Intl

Get insights into the airlines that provide service from 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 airline for your flight from Dulles Intl. In the last 7 days, Cheapflights users made a total of 647,157 searches.

Crew

9.1

Comfort

8.0

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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.

Crew

9.1

Comfort

8.0

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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

Crew

9.1

Comfort

8.0

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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.

Crew

9.1

Comfort

8.0

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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.

8.0
Very Good

Crew

9.1

Comfort

8.0

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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.

Crew

9.1

Comfort

8.0

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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.

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Alternate flight departure points to Dulles Intl

Consider leaving from one of these other departure points that are located a short distance from Dulles Intl. Flight origins were last updated on 21 February 2025.

Related info for your journey

Access useful and relevant information related to your journey from Dulles Intl. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 21 February 2025.
  • What are the most popular destinations to fly to from Washington, D.C. Dulles Intl Airport?

    For the current month, the most popular flights from Washington, D.C. Dulles Intl Airport are Mumbai, Ahmedabad, Cairo. Mumbai, Cairo, Ahmedabad are the most popular locations from Washington, D.C. Dulles Intl Airport year round.

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to anywhere?

    Users have flown out of Washington, D.C. Dulles Intl Airport for as low as $141 to San Salvador (prices may vary depending on the airline and departure time). On average, users have booked flights for $984 to fly from Washington, D.C. Dulles Intl Airport.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to anywhere?

    According to our data, users have found Delta, Icelandair, and Air Canada to have the cheapest round-trip prices from Washington, D.C. Dulles Intl Airport. Some of the destinations and prices are as follows: Delta flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl ($517). Icelandair flights from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl ($1,390). Air Canada flights from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith ($1,878).

  • What is the cheapest premium economy flight from Washington, D.C. Dulles Intl Airport?

    Options for some of the cheapest premium economy flights from Washington, D.C. Dulles Intl Airport we have found on Cheapflights are as follows:
    Fly from Washington, D.C. Dulles Intl to Toronto Pearson Intl Airport starting at $1,623
    Fly from Washington, D.C. Dulles Intl to Frankfurt am Main Airport starting at $2,551
    Fly from Washington, D.C. Dulles Intl to London Heathrow Airport starting at $2,615
    Fly from Washington, D.C. Dulles Intl to Brussels Bruxelles-National Airport starting at $3,035

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

    Currently, the cheapest month for flights from Washington, D.C. Dulles Intl Airport is July. The most expensive month for flights is September. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Washington, D.C. Dulles Intl Airport?

    View the cheapest flight destinations from Washington, D.C. Dulles Intl Airport:
    Fly from Washington, D.C. to Sydney from $1,353 round trip
    Fly from Washington, D.C. to Melbourne from $1,635 round trip

  • How does Cheapflights help users find flights from Dulles Intl?

    Cheapflights helps you search for flights from Dulles Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dulles Intl for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Dulles Intl with no change fees?

    Need flexible booking options for your flight from Dulles Intl ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Dulles Intl today and book when you’re ready!

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How does Cheapflights help users find flights from Dulles Intl?

Cheapflights helps you search for flights from Dulles Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dulles Intl for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight from Dulles Intl ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Dulles Intl today and book when you’re ready!

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