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$137+ 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 6/4. 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
22 Mar — 29 Mar1
1 adult
1 adult, Economy, 0 bags

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 20 February 2026.

Good round-trip deal

$487 or less

Good one-way deal

$617 or less
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

Enter your travel dates to find the best prices.

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 20 February 2026.

Wed 4/314:35
IAD
-
ISB
1 stop26h 35m
Etihad Airways
Sun 8/319:25
ISB
-
IAD
1 stop23h 40m
Etihad Airways
Deal found 18/2$1,095
Sun 26/409:19
IAD
-
ISB
2 stops24h 06m
Multiple Airlines
Sun 24/519:45
ISB
-
IAD
1 stop23h 00m
Multiple Airlines
Deal found 19/2$1,101
Mon 6/415:10
IAD
-
ISB
1 stop18h 15m
Etihad Airways
Thu 16/404:50
ISB
-
IAD
1 stop37h 55m
Etihad Airways
Deal found 19/2$1,145
Sun 5/409:19
IAD
-
ISB
2 stops24h 06m
Multiple Airlines
Wed 20/519:45
ISB
-
IAD
1 stop23h 00m
Multiple Airlines
Deal found 18/2$1,151
Mon 20/420:20
IAD
-
ISB
1 stop26h 20m
Qatar Airways
Tue 12/503:35
ISB
-
IAD
1 stop21h 30m
Qatar Airways
Deal found 16/2$1,166
Wed 4/321:15
IAD
-
ISB
1 stop21h 30m
Turkish Airlines
Sun 8/306:15
ISB
-
IAD
1 stop23h 05m
Turkish Airlines
Deal found 19/2$1,186
Wed 25/315:35
IAD
-
ISB
1 stop17h 35m
Etihad Airways
Sat 27/604:50
ISB
-
IAD
1 stop37h 55m
Etihad Airways
Deal found 19/2$1,202
Mon 6/409:19
IAD
-
ISB
2 stops24h 06m
Multiple Airlines
Sat 9/519:45
ISB
-
IAD
1 stop23h 00m
Multiple Airlines
Deal found 17/2$1,207
Wed 15/406:25
IAD
-
ISB
2 stops27h 00m
Multiple Airlines
Wed 29/419:45
ISB
-
IAD
1 stop23h 00m
Multiple Airlines
Deal found 16/2$1,216
Fri 3/415:10
IAD
-
ISB
1 stop18h 15m
Etihad Airways
Fri 17/404:50
ISB
-
IAD
1 stop37h 55m
Etihad Airways
Deal found 16/2$1,267
Mon 23/315:35
IAD
-
ISB
1 stop26h 35m
Etihad Airways
Thu 2/704:50
ISB
-
IAD
1 stop37h 55m
Etihad Airways
Deal found 19/2$1,271
Tue 21/409:55
IAD
-
BNE
2 stops31h 10m
Air Canada
Tue 12/510:00
BNE
-
IAD
2 stops24h 29m
Air Canada
Deal found 19/2$1,332

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 20 February 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Wed 4/3

14:35-18:10

1 stop17h 35m

Islamabad Intl

Sat 7/3

04:30-09:05

1 stop38h 35m

$1,095

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Thu 16/4

15:10-18:25

1 stop18h 15m

Islamabad Intl

Thu 30/4

04:50-09:45

1 stop37h 55m

$1,145

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Sun 22/3

15:35-03:10

1 stop26h 35m

Islamabad Intl

Thu 16/4

04:50-09:45

1 stop37h 55m

$1,145

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Thu 9/4

15:10-03:25

1 stop27h 15m

Islamabad Intl

Thu 30/4

04:50-09:45

1 stop37h 55m

$1,145

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Mon 6/4

15:10-18:25

1 stop18h 15m

Islamabad Intl

Thu 16/4

04:50-09:45

1 stop37h 55m

$1,145

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Sun 5/4

09:19-18:25

2 stops24h 06m

Islamabad Intl

Wed 20/5

19:45-09:45

1 stop23h 00m

$1,151

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Mon 6/4

09:19-03:25

2 stops33h 06m

Islamabad Intl

Sat 9/5

19:45-09:45

1 stop23h 00m

$1,207

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Fri 3/4

09:19-03:25

2 stops33h 06m

Islamabad Intl

Mon 18/5

19:45-09:45

1 stop23h 00m

$1,207

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Thu 26/3

15:35-03:10

1 stop26h 35m

Islamabad Intl

Tue 5/5

04:50-09:45

1 stop37h 55m

$1,207

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Wed 15/4

06:25-18:25

2 stops27h 00m

Islamabad Intl

Wed 29/4

19:45-09:45

1 stop23h 00m

$1,216

Flights are sorted by cheapest return flights first.

Deals found on 19/2

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 18 February 2026.

The best time to book flights from Washington, D.C. Dulles Intl Airport is 10 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of $502). Flying from Washington, D.C. Dulles Intl Airport in January will prove the most costly (average of $1,539). 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: United Airlines. As it departs for the following popular destinations: Sydney.

United Airlines
United Airlines
From $271

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 (286 flights per day), Detroit (244 flights per day) and Atlanta (236 flights per day).

New Delhi Indira Gandhi Intl
New Delhi Indira Gandhi Intl
From $617
Albany Intl
Albany Intl
From $487
Abu Dhabi Zayed Intl
Abu Dhabi Zayed Intl
From $959
Salt Lake City
Salt Lake City
From $495

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 Albany Intl, with prices starting at $487. Explore other affordable destinations below.

Albany Intl
Albany Intl
From $487
Salt Lake City
Salt Lake City
From $495
New Delhi Indira Gandhi Intl
New Delhi Indira Gandhi Intl
From $617
Dallas/Fort Worth
Dallas/Fort Worth
From $874

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.
Read reviews from past customers who have flown United Airlines from Washington, D.C. Dulles Intl Airport. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,325 reviews
Check prices

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,325 reviews
United Airlines
7.4
Good
9,325 reviews
Check prices

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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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 20 February 2026.
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 20 February 2026.

  • 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, Atlanta. 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 $487 to Albany, New York (prices may vary depending on the airline and departure time). On average, users have booked flights for $1,757 to fly from Washington, D.C. Dulles Intl Airport.

  • 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 August. The most expensive month for flights is January. 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 $1,309 round trip
    Fly from Washington, D.C. to Melbourne from $1,443 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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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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