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$209+ 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 11/9. 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
19 Aug — 26 Aug1
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 14 August 2025.

Good round-trip deal

$356 or less

Good one-way deal

$141 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

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 14 August 2025.

Wed 10/1219:32IAD - LAS
Nonstop5h 20mUnited Airlines
Sat 13/1223:53LAS - IAD
Nonstop4h 19mUnited Airlines
Deal found 12/8$309
Wed 3/919:59IAD - LAS
Nonstop4h 59mUnited Airlines
Wed 10/908:30LAS - IAD
Nonstop4h 39mUnited Airlines
Deal found 13/8$316
Sat 6/1208:21IAD - LAS
Nonstop5h 13mUnited Airlines
Wed 10/1210:47LAS - IAD
1 stop7h 35mUnited Airlines
Deal found 13/8$324
Sun 28/919:59IAD - LAS
Nonstop5h 00mUnited Airlines
Wed 1/1019:05LAS - IAD
1 stop8h 34mUnited Airlines
Deal found 12/8$326
Sat 6/1217:51IAD - LAS
1 stop8h 28mAlaska Airlines
Wed 10/1215:00LAS - IAD
1 stop23h 25mAlaska Airlines
Deal found 13/8$338
Thu 4/914:39IAD - LAS
1 stop8h 58mUnited Airlines
Sun 7/918:28LAS - IAD
1 stop10h 40mUnited Airlines
Deal found 13/8$339
Tue 28/1017:40IAD - LAS
1 stop7h 46mAlaska Airlines
Tue 4/1107:25LAS - IAD
1 stop6h 48mAlaska Airlines
Deal found 14/8$345
Wed 3/910:25IAD - LAS
1 stop7h 13mUnited Airlines
Sat 6/911:20LAS - IAD
1 stop6h 47mUnited Airlines
Deal found 12/8$347
Sat 27/913:02IAD - LAS
1 stop8h 27mFrontier
Fri 3/1000:55LAS - IAD
1 stop8h 07mFrontier
Deal found 13/8$352
Fri 31/1005:40IAD - LAS
2 stops9h 05mSouthwest
Tue 4/1107:35LAS - IAD
1 stop6h 30mSouthwest
Deal found 14/8$355
Sun 7/1217:51IAD - LAS
1 stop8h 28mAlaska Airlines
Fri 12/1206:00LAS - IAD
1 stop8h 25mAlaska Airlines
Deal found 12/8$361
Sat 13/922:05IAD - ISB
1 stop35h 20mEtihad Airways
Wed 8/1019:35ISB - IAD
1 stop29h 35mEtihad Airways
Deal found 13/8$1,258

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 14 August 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

Sat 6/12

08:21-10:34

Nonstop5h 13m

Las Vegas Harry Reid Intl

Wed 10/12

10:47-21:22

1 stop7h 35m

$324

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Mon 25/8

22:05-03:15

1 stop20h 10m

Islamabad Intl

Wed 19/11

19:25-16:05

1 stop30h 40m

$1,258

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Sun 24/8

22:05-03:15

1 stop20h 10m

Islamabad Intl

Tue 18/11

04:30-16:05

1 stop21h 35m

$1,258

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Thu 28/8

22:05-03:15

1 stop20h 10m

Islamabad Intl

Tue 18/11

19:25-16:05

1 stop30h 40m

$1,258

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Sat 13/9

22:05-03:15

1 stop20h 10m

Islamabad Intl

Sat 11/10

19:35-16:10

1 stop29h 35m

$1,258

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Fri 19/9

22:05-03:15

1 stop20h 10m

Islamabad Intl

Sat 11/10

04:20-16:10

1 stop20h 50m

$1,258

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Wed 17/9

22:05-03:15

1 stop20h 10m

Islamabad Intl

Sat 4/10

04:20-16:10

1 stop20h 50m

$1,258

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Mon 15/9

22:05-18:25

1 stop35h 20m

Islamabad Intl

Sat 4/10

04:20-16:10

1 stop20h 50m

$1,258

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Sun 14/9

22:05-03:15

1 stop20h 10m

Islamabad Intl

Wed 8/10

19:35-16:10

1 stop29h 35m

$1,258

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Wed 27/8

22:05-03:15

1 stop20h 10m

Islamabad Intl

Wed 19/11

19:25-16:05

1 stop30h 40m

$1,258

Flights are sorted by cheapest return flights first.

Deals found on 12/8

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 8 August 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport is 65 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, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of $1,232). Flying from Washington, D.C. Dulles Intl Airport in January will prove the most costly (average of $1,317). 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 $191
Icelandair
Icelandair
From $886

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

Washington, D.C. Dulles Intl Airport offers frequent flights to Chicago (384 flights per day), London (362 flights per day) and San Francisco (291 flights per day).

New Delhi Indira Gandhi Intl
New Delhi Indira Gandhi Intl
From $435
Zurich
Zurich
From $693
Albany Intl
Albany Intl
From $344
Los Angeles
Los Angeles
From $317

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 $138. Explore other affordable destinations below.

San Salvador El Salvador Intl
San Salvador El Salvador Intl
From $90
Minneapolis St Paul
Minneapolis St Paul
From $198
Dallas/Fort Worth
Dallas/Fort Worth
From $205
Los Angeles
Los Angeles
From $317

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
8,916 reviews
Check prices

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews
Check prices

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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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 14 August 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 14 August 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, Athens, 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 $138 to San Salvador (prices may vary depending on the airline and departure time). On average, users have booked flights for $1,858 to fly from Washington, D.C. Dulles Intl Airport.

  • 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 Frankfurt am Main Airport starting at $2,487
    Fly from Washington, D.C. Dulles Intl to London Heathrow Airport starting at $2,549

  • 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 June. 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 $1,299 round trip
    Fly from Washington, D.C. to Melbourne from $1,505 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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