Find flights
When to book
Airlines

Cheap flights to Dulles Intl from $905

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 30/5. 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.
BOS — IAD
20 May — 27 May1
1 adult
Mon 20/5
Mon 27/5

Flights to Dulles Intl in 2024

Find the latest flights to Dulles Intl in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 533,989 searches and data was last updated on 15 May 2024.

Popular in

December

Cheapest in

February

Average price

$2,124

Return from

$1,636

One-way from

$905
High demand for flights, 12% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for return flights in May 2024
Search Deals
From Sydney Kingsford Smith to Washington, D.C.
Search Deals
One-way flight from Sydney Kingsford Smith (SYD) to Washington, D.C. Dulles Intl (IAD)
Search Deals

Cheap flights to Dulles Intl Airport in May & June 2024

Discover affordable flights and deals to Dulles Intl Airport in May and June 2024. In the last 7 days, Cheapflights users made a total of 533,989 searches and data was last updated on 15 May 2024.
The deals listed below are some of the cheapest flights available to Washington, D.C. in May and June 2024. Prices refresh often so be sure to come back soon for more deals.
Thu 23/509:20SYD - IAD
2 stops25h 09mAir Canada
Tue 4/609:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 13/5$1,599
Thu 23/509:20SYD - IAD
1 stop21h 25mAir Canada
Tue 28/509:55IAD - SYD
3 stops31h 25mAir Canada
Deal found 13/5$1,608
Thu 23/509:20SYD - IAD
2 stops25h 56mAir Canada
Tue 4/609:55IAD - SYD
3 stops31h 25mAir Canada
Deal found 13/5$1,615
Thu 23/509:20SYD - IAD
1 stop21h 25mAir Canada
Tue 28/509:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 13/5$1,630
Wed 22/509:20SYD - IAD
2 stops36h 28mAir Canada
Tue 28/509:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 13/5$1,639
Tue 4/609:20SYD - IAD
2 stops25h 09mAir Canada
Sun 9/609:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 14/5$1,673
Mon 3/609:20SYD - IAD
1 stop21h 25mAir Canada
Sun 9/609:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 14/5$1,704
Thu 23/509:20SYD - IAD
1 stop21h 25mAir Canada
Thu 30/522:15IAD - SYD
3 stops43h 05mAir Canada
Deal found 13/5$1,713
Wed 22/509:30SYD - IAD
2 stops25h 32mUnited Airlines
Tue 4/622:10IAD - SYD
3 stops42h 50mUnited Airlines
Deal found 13/5$1,736

Dulles Intl Airport 2024 flight deals

Explore flight deals for Dulles Intl Airport in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 533,989 searches and data were last updated on 15 May 2024.
The lowest fares on flights travelling to Washington, D.C. in May and June 2024. Check back regularly for other flight deals.
Thu 23/509:20SYD - IAD
2 stops25h 09mAir Canada
Tue 4/609:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 13/5$1,599
Thu 23/509:20SYD - IAD
1 stop21h 25mAir Canada
Tue 28/509:55IAD - SYD
3 stops31h 25mAir Canada
Deal found 13/5$1,608
Thu 23/509:20SYD - IAD
2 stops25h 56mAir Canada
Tue 4/609:55IAD - SYD
3 stops31h 25mAir Canada
Deal found 13/5$1,615
Thu 23/509:20SYD - IAD
1 stop21h 25mAir Canada
Tue 28/509:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 13/5$1,630
Wed 22/509:20SYD - IAD
2 stops36h 28mAir Canada
Tue 28/509:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 13/5$1,639
Tue 4/609:20SYD - IAD
2 stops25h 09mAir Canada
Sun 9/609:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 14/5$1,673
Mon 3/609:20SYD - IAD
1 stop21h 25mAir Canada
Sun 9/609:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 14/5$1,704
Thu 23/509:20SYD - IAD
1 stop21h 25mAir Canada
Thu 30/522:15IAD - SYD
3 stops43h 05mAir Canada
Deal found 13/5$1,713
Thu 8/809:55SYD - IAD
2 stops26h 50mAir New Zealand
Thu 29/814:35IAD - SYD
2 stops28h 10mAir New Zealand
Deal found 14/5$1,733

Flights to Dulles Intl Airport departing soon

Discover available last-minute flight options to Dulles Intl Airport, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 533,989 searches and data was last updated on 15 May 2024.
Browse some of the best deals on flights leaving last minute to Washington, D.C.. Make sure the flight you book matches the day, time, and destination you're looking for.
Thu 23/509:20SYD - IAD
2 stops25h 09mAir Canada
Tue 4/609:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 13/5$1,599
Thu 23/509:20SYD - IAD
1 stop21h 25mAir Canada
Tue 28/509:55IAD - SYD
3 stops31h 25mAir Canada
Deal found 13/5$1,608
Thu 23/509:20SYD - IAD
2 stops25h 56mAir Canada
Tue 4/609:55IAD - SYD
3 stops31h 25mAir Canada
Deal found 13/5$1,615
Thu 23/509:20SYD - IAD
1 stop21h 25mAir Canada
Tue 28/509:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 13/5$1,630
Wed 22/509:20SYD - IAD
2 stops36h 28mAir Canada
Tue 28/509:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 13/5$1,639
Thu 23/509:20SYD - IAD
1 stop21h 25mAir Canada
Thu 30/522:15IAD - SYD
3 stops43h 05mAir Canada
Deal found 13/5$1,713
Wed 22/509:30SYD - IAD
2 stops25h 32mUnited Airlines
Tue 4/622:10IAD - SYD
3 stops42h 50mUnited Airlines
Deal found 13/5$1,736
Thu 23/509:20SYD - IAD
1 stop35h 21mAir Canada
Tue 28/517:40IAD - SYD
1 stop23h 40mAir Canada
Deal found 13/5$1,796
Wed 22/509:30SYD - IAD
1 stop20h 44mUnited Airlines
Tue 28/513:05IAD - SYD
1 stop27h 50mUnited Airlines
Deal found 13/5$1,802

One-way flights to Dulles Intl Airport

Explore one-way flight options to Dulles Intl Airport for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 533,989 searches and data was last updated on 15 May 2024.
Consider booking one of these one-way flights heading to Washington, D.C.. Users can also find round-trip Washington, D.C. flights by using the search form above.
Thu 30/516:20SYD - IAD
2 stops38h 45mMultiple Airlines
Deal found 14/5$905
Thu 30/516:20SYD - IAD
3 stops38h 45mMultiple Airlines
Deal found 14/5$1,004
Tue 18/613:15SYD - IAD
3 stops35h 11mMultiple Airlines
Deal found 14/5$1,084
Mon 27/509:45SYD - IAD
3 stops44h 00mMultiple Airlines
Deal found 14/5$1,116
Mon 27/514:40SYD - IAD
2 stops39h 05mMultiple Airlines
Deal found 14/5$1,146
Thu 31/1020:40SYD - IAD
2 stops58h 21mAir China
Deal found 15/5$1,272
Thu 31/1021:45SYD - IAD
1 stop34h 10mQatar Airways
Deal found 15/5$1,387
Wed 21/808:15SYD - IAD
2 stops29h 07mMultiple Airlines
Deal found 15/5$1,429
Wed 31/709:15SYD - IAD
2 stops28h 46mAmerican Airlines
Deal found 14/5$1,453

Find flights to Dulles Intl within your budget

Locate flights to Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 533,989 searches and data was last updated on 15 May 2024.

Fly from

Any airport

Budget

$1,673 - $3,093

Route

Depart

Return

Price

Sydney Kingsford SmithWashington, D.C. Dulles Intl

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 4/6

2 stops25h 09m

Washington, D.C. Dulles Intl

Sun 9/6

2 stops31h 25m

$1,673

Sydney Kingsford SmithWashington, D.C. Dulles Intl

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 8/8

2 stops26h 50m

Washington, D.C. Dulles Intl

Thu 29/8

2 stops28h 10m

$1,733

Sydney Kingsford SmithWashington, D.C. Dulles Intl

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 4/6

1 stop22h 37m

Washington, D.C. Dulles Intl

Sun 9/6

1 stop23h 05m

$1,802

Sydney Kingsford SmithWashington, D.C. Dulles Intl

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 3/6

1 stop26h 05m

Washington, D.C. Dulles Intl

Sun 9/6

1 stop24h 05m

$1,803

Sydney Kingsford SmithWashington, D.C. Dulles Intl

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 4/6

1 stop22h 10m

Washington, D.C. Dulles Intl

Sun 9/6

1 stop34h 15m

$1,817

Sydney Kingsford SmithWashington, D.C. Dulles Intl

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 16/9

2 stops33h 39m

Washington, D.C. Dulles Intl

Sat 19/10

1 stop41h 00m

$2,007

Sydney Kingsford SmithWashington, D.C. Dulles Intl

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 3/9

2 stops45h 18m

Washington, D.C. Dulles Intl

Thu 12/9

2 stops45h 58m

$2,010

Sydney Kingsford SmithWashington, D.C. Dulles Intl

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 26/8

3 stops29h 08m

Washington, D.C. Dulles Intl

Tue 17/9

2 stops23h 36m

$2,284

Sydney Kingsford SmithWashington, D.C. Dulles Intl

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 21/6

2 stops57h 22m

Washington, D.C. Dulles Intl

Sat 13/7

2 stops36h 27m

$3,093

Flights are sorted by cheapest first

Deals found on 14/5

Average price of flights to Dulles Intl Airport by month

Plan your trip to Dulles Intl by taking into account the cheapest months to travel. The average price of a one-way flight to Dulles Intl is currently $1,200 while a return flight costs $2,024. Price data was last updated on 12 May 2024.

Currently, February is the cheapest month in which you can book a flight to Dulles Intl (average of $1,020). Flying to Dulles Intl in December will prove the most costly (average of $1,615). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

January

$1,790

February

$1,531

March

$1,594

April

$1,827

May

$2,220

June

$2,201

July

$2,323

August

$2,326

September

$2,384

October

$1,857

November

$1,953

December

$2,425

Temperature and rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

2 - 27 °C

If weather is an important factor for your trip to Dulles Intl, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

When is the best time to book a flight to Dulles Intl?

Use this chart to determine the optimal time to book a return flight to Dulles Intl. Price data was last updated on 10 May 2024.
To ensure you get the cheapest price possible for a flight to Dulles Intl, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly to Dulles Intl?

Use this chart to determine the cheapest time to fly return to Dulles Intl. Price data was last updated on 12 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to Dulles Intl should consider flying on Wednesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Thursday afternoons, when prices are usually at their highest.
Search Deals

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to 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 an airline for your flight to Dulles Intl. Reviews last updated 15 May 2024.
Read reviews from past customers who have flown Air Canada, Air New Zealand and Korean Air to Washington, D.C.. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Entertainment

7.4

Boarding

8.5

Food

7.9

Crew

8.9

Overall

8.7

Comfort

8.1

Reviews

1 / 2

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
8.7
Very Good
76 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Entertainment

7.4

Boarding

8.5

Food

7.9

Crew

8.9

Overall

8.7

Comfort

8.1

Reviews

1 / 2

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
8.5
Very Good
920 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Entertainment

7.4

Boarding

8.5

Food

7.9

Crew

8.9

Overall

8.7

Comfort

8.1

Reviews

1 / 2

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.

Asiana Airlines
8.4
Very Good
581 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Entertainment

7.4

Boarding

8.5

Food

7.9

Crew

8.9

Overall

8.7

Comfort

8.1

Reviews

1 / 2

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 New Zealand
8.3
Very Good
627 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Entertainment

7.4

Boarding

8.5

Food

7.9

Crew

8.9

Overall

8.7

Comfort

8.1

Reviews

1 / 2

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.

Singapore Airlines
8.3
Very Good
1,448 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Entertainment

7.4

Boarding

8.5

Food

7.9

Crew

8.9

Overall

8.7

Comfort

8.1

Reviews

1 / 2

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.

  • Can I find cheaper flights to Dulles Intl if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Dulles Intl?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Dulles Intl.

  • What is the cheapest airport to fly to in Dulles Intl?

    Washington, D.C. Dulles Intl Airport is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl Airport typically cost $249, while return flights cost around $459.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around $377, however they can be found for as little as $305.

  • Where does the fastest flight to Dulles Intl depart from?

    For those looking to save time traveling to Dulles Intl, Brisbane offers the quickest one-way flight (21 hours 40 minutes).

  • Does Washington, D.C. Dulles Intl Airport have car hire?

    Yes. Those touching down at Washington, D.C. Dulles Intl Airport can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Washington, D.C. Dulles Intl Airport?

    Yes. Washington, D.C. Dulles Intl Airport has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl Airport (0.0 km away from Washington, D.C. Dulles Intl Airport).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly your favourite airline to Dulles Intl
Fly your favorite airline to Dulles Intl. Flight routes are based on user searches made on Cheapflights and were last updated on 15 May 2024.

Air Canada flights from Sydney to Dulles Intl
United Airlines flights from Sydney to Dulles Intl
ANA flights from Sydney to Dulles Intl
Flights to Belgrade
Flights to Bangkok
Flights to Sri Lanka
Flights to England
Flights to Wagga Wagga
Flights to Lisbon
Flights to Rome
Flights to Hannover
Flights to Ahmedabad
Flights to Cagliari
Flights to Israel
Flights to Houston George Bush Intcntl Airport

Search flights to Dulles Intl by cabin class

Find flights to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Khon Kaen
Flights to Charleville
Flights to Dalaman
Flights to Zakynthos Dionsios Salomos
Flights to Dakar Blaise Diagne
Flights to Olbia Costa Smeralda
Flights to Kinshasa N'djili
Flights to Freetown Lungi Intl
Flights to Roxas City
Flights to Bandar Lampung Radin Inten II
Flights to Gaborone Sir Seretse Khama
Flights to San Jose
Flights to Kona Intl
Flights to Nürnberg
Flights to Syracuse Hancock Intl
Flights to Kamloops
Flights to Poznan Lawica
Flights to Milas–Bodrum
Flights to Lilongwe Intl
Flights to Nantes Atlantique
Flights to Bergamo Orio Al Serio
Flights to Kayseri
Flights to Kos
Flights to Lhasa
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines