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$240+ Cheap flights from Washington, D.C. Dulles Intl Airport

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 11/9. 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
5 May — 12 May1
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 30 April 2025.

Cheapest airline

LATAM Airlines

Good round-trip deal

$680 or less

Good one-way deal

$144 or less
On average, LATAM Airlines currently has the cheapest one-way flight from Washington, D.C. Dulles Intl (avg. price of $595).
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl.
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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 30 April 2025.

Sun 8/607:40IAD - LAS
Nonstop5h 00mMultiple Airlines
Wed 11/611:26LAS - IAD
1 stop9h 33mMultiple Airlines
Deal found 29/4$312
Thu 15/507:31IAD - LAS
Nonstop5h 15mFrontier
Sat 17/523:00LAS - IAD
Nonstop4h 31mFrontier
Deal found 29/4$339
Tue 3/606:30IAD - LAS
1 stop9h 27mAlaska Airlines
Wed 4/611:26LAS - IAD
1 stop9h 33mAlaska Airlines
Deal found 29/4$344
Tue 1/717:55IAD - LAS
Nonstop5h 04mUnited Airlines
Tue 8/723:59LAS - IAD
Nonstop4h 35mUnited Airlines
Deal found 29/4$353
Sun 8/606:30IAD - LAS
1 stop9h 27mHawaiian Airlines
Wed 11/611:26LAS - IAD
1 stop9h 33mHawaiian Airlines
Deal found 29/4$379
Sun 15/607:45IAD - LAS
1 stop28h 35mSun Country Air
Thu 19/618:30LAS - IAD
1 stop13h 49mSun Country Air
Deal found 29/4$398
Wed 2/706:00IAD - LAS
1 stop7h 17mDelta
Wed 2/715:35LAS - IAD
1 stop11h 24mDelta
Deal found 29/4$401
Thu 3/705:00IAD - LAS
2 stops9h 40mSouthwest
Thu 10/707:00LAS - IAD
1 stop9h 05mSouthwest
Deal found 29/4$423
Sun 28/922:05IAD - ISB
1 stop35h 20mEtihad Airways
Sat 18/1004:20ISB - IAD
1 stop20h 50mEtihad Airways
Deal found 29/4$1,221
Wed 1/1021:00IAD - ISB
1 stop25h 40mQatar Airways
Tue 21/1003:30ISB - IAD
1 stop21h 40mQatar Airways
Deal found 29/4$1,385
Sun 28/910:55IAD - ISB
1 stop35h 35mEmirates
Wed 15/1003:05ISB - IAD
1 stop38h 35mEmirates
Deal found 29/4$1,547
Wed 2/713:30IAD - ISB
1 stop29h 25mTurkish Airlines
Tue 9/905:25ISB - IAD
1 stop23h 20mTurkish Airlines
Deal found 29/4$1,753

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 30 April 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.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 11/5

13:20-07:33

1 stop21h 13m

Las Vegas Harry Reid Intl

Wed 21/5

18:43-11:47

1 stop14h 04m

$429

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 5/8

17:25-09:37

1 stop19h 12m

Las Vegas Harry Reid Intl

Mon 11/8

19:29-18:59

1 stop20h 30m

$431

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 26/5

07:30-11:59

1 stop7h 29m

Las Vegas Harry Reid Intl

Fri 30/5

07:05-18:47

1 stop8h 42m

$432

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 6/9

12:35-14:35

Nonstop5h 00m

Las Vegas Harry Reid Intl

Sat 6/9

22:45-06:20

Nonstop4h 35m

$451

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 18/5

17:14-22:30

1 stop8h 16m

Las Vegas Harry Reid Intl

Wed 21/5

17:51-07:36

1 stop10h 45m

$475

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Thu 3/7

05:00-12:45

2 stops10h 45m

Las Vegas Harry Reid Intl

Thu 10/7

11:05-23:30

2 stops9h 25m

$509

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Sun 28/9

22:05-18:25

1 stop35h 20m

Islamabad Intl

Mon 20/10

04:20-16:10

1 stop20h 50m

$1,221

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Wed 1/10

21:00-07:40

1 stop25h 40m

Islamabad Intl

Tue 21/10

03:30-16:10

1 stop21h 40m

$1,385

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Sun 28/9

10:55-07:30

1 stop35h 35m

Islamabad Intl

Wed 15/10

03:05-08:40

1 stop38h 35m

$1,547

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Wed 2/7

13:30-03:55

1 stop29h 25m

Islamabad Intl

Tue 9/9

05:25-19:45

1 stop23h 20m

$1,753

Flights are sorted by cheapest return flights first.

Deals found on 30/4

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 25 April 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 $1,241). Flying from Washington, D.C. Dulles Intl Airport in September will prove the most costly (average of $1,424). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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

When flying from Washington, D.C. Dulles Intl Airport check dates and pricing for the following: Air Canada, United Airlines. As they depart for the following popular destinations: Sydney.

United Airlines

United Airlines

From $592

Emirates

Emirates

From $1,352

Delta

Delta

From $330

Air Canada

Air Canada

From $1,198

What are popular destinations to fly to from Washington, D.C. Dulles Intl Airport?

Washington, D.C. Dulles Intl Airport offers frequent flights to London (388 flights per day), Detroit (334 flights per day) and Atlanta (277 flights per day).

Dallas/Fort Worth

Dallas/Fort Worth

From $883

Brussels Bruxelles-National

Brussels Bruxelles-National

From $773

Istanbul

Istanbul

From $588

Phoenix Sky Harbor Intl

Phoenix Sky Harbor Intl

From $386

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

The cheapest city to fly to from Washington, D.C. Dulles Intl Airport is San Salvador El Salvador Intl, with prices starting at $141. Explore other affordable destinations below.

San Salvador El Salvador Intl

San Salvador El Salvador Intl

From $90

New York

New York

From $103

San Francisco

San Francisco

From $198

Houston Hobby

Houston Hobby

From $328

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.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

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.
Air Tahiti Nui
8.8
Very Good
62 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

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.
Korean Air
8.4
Very Good
1,066 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

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.
ANA
8.3
Very Good
852 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

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.
Fiji Airways
8.1
Very Good
190 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

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.
Delta
8.0
Very Good
7,936 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Boarding

8.7

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

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 30 April 2025.
Flights from Reagan-National

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 30 April 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 Cairo, Paris Charles de Gaulle Airport, Amsterdam. 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 $1,439 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, United Airlines, and Icelandair 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 ($515). United Airlines flights from Washington, D.C. Dulles Intl Airport to Melbourne ($924). Icelandair flights from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl ($1,384).

  • 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 $1,616
    Fly from Washington, D.C. Dulles Intl to Frankfurt am Main Airport starting at $2,541
    Fly from Washington, D.C. Dulles Intl to London Heathrow Airport starting at $2,605
    Fly from Washington, D.C. Dulles Intl to Brussels Bruxelles-National Airport starting at $3,023

  • 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 $1,708 round trip
    Fly from Washington, D.C. to Melbourne from $1,769 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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