$99+ 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 7/11. 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 Nov — 12 Nov1
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 6 October 2026. In the last 7 days, Cheapflights users made a total of 7,457,451 searches
Fly to
Route
Depart
Return
Cheapest return flight
Washington, D.C.Orlando
IAD Washington, D.C. Dulles Intl - MCO Orlando
IADMCO
Washington, D.C. Dulles Intl
Fri 23/10
18:36-22:34
1 stop3h 58m
Orlando
Wed 31/12
00:00-00:00
Nonstop0h 00m
$121
Washington, D.C.Orlando
IAD Washington, D.C. Dulles Intl - MCO Orlando
IADMCO
Washington, D.C. Dulles Intl
Tue 10/11
08:05-14:40
1 stop6h 35m
Orlando
Wed 31/12
00:00-00:00
Nonstop0h 00m
$128
Fastest return journey
Washington, D.C.Orlando
IAD Washington, D.C. Dulles Intl - MCO Orlando
IADMCO
Washington, D.C. Dulles Intl
Thu 10/12
22:30-00:58
Nonstop2h 28m
Orlando
Wed 31/12
00:00-00:00
Nonstop0h 00m
$142
Washington, D.C.Orlando
IAD Washington, D.C. Dulles Intl - MCO Orlando
IADMCO
Washington, D.C. Dulles Intl
Wed 28/10
12:27-16:32
1 stop4h 05m
Orlando
Wed 31/12
00:00-00:00
Nonstop0h 00m
$157
Washington, D.C.Orlando
IAD Washington, D.C. Dulles Intl - MCO Orlando
IADMCO
Washington, D.C. Dulles Intl
Wed 9/12
22:30-00:58
Nonstop2h 28m
Orlando
Wed 31/12
00:00-00:00
Nonstop0h 00m
$171
Washington, D.C.Orlando
IAD Washington, D.C. Dulles Intl - MCO Orlando
IADMCO
Washington, D.C. Dulles Intl
Thu 26/11
12:45-15:16
Nonstop2h 31m
Orlando
Wed 31/12
00:00-00:00
Nonstop0h 00m
$217
Washington, D.C.Los Angeles
IAD Washington, D.C. Dulles Intl - LAX Los Angeles
IADLAX
Washington, D.C. Dulles Intl
Sat 21/11
20:01-22:50
Nonstop5h 49m
Los Angeles
Wed 31/12
00:00-03:00
Nonstop0h 00m
$243
Washington, D.C.Orlando
IAD Washington, D.C. Dulles Intl - MCO Orlando
IADMCO
Washington, D.C. Dulles Intl
Tue 3/11
12:37-23:39
2 stops11h 02m
Orlando
Wed 31/12
00:00-00:00
Nonstop0h 00m
$243
Washington, D.C.Orlando
IAD Washington, D.C. Dulles Intl - MCO Orlando
IADMCO
Washington, D.C. Dulles Intl
Wed 10/2
22:29-00:59
Nonstop2h 30m
Orlando
Wed 31/12
00:00-00:00
Nonstop0h 00m
$244
Washington, D.C.Orlando
IAD Washington, D.C. Dulles Intl - MCO Orlando
IADMCO
Washington, D.C. Dulles Intl
Fri 29/1
06:00-12:01
1 stop6h 01m
Orlando
Wed 31/12
00:00-00:00
Nonstop0h 00m
$249
Showing 1-10 of 60 resultsSorted by cheapest first
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.
IAD-SYD
IAD-MCO
IAD-LAX
IAD-SAL
IAD-HNL
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.
IAD-SYD
IAD-MCO
IAD-LAX
IAD-SAL
IAD-HNL
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 $1,719). Flying from Washington, D.C. Dulles Intl Airport in December will prove the most costly (average of $2,953). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
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 (422 flights per day), London (420 flights per day) and Orlando (320 flights per day).
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 Orlando, with prices starting at $185. Explore other affordable destinations below.
When is the best time to book a flight from Washington, D.C. Dulles Intl Airport?
The best time to book flights from Washington, D.C. Dulles Intl Airport is 4 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.
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Other United States origins
Popular flights
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 6 October 2026.
Fly from other United States cities
Consider departing from one of these cities also located in United States. Flight origins are based on user searches made on Cheapflights and were last updated on 6 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
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 6 October 2026.
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Can Cheapflights find flights from Dulles Intl with no change fees?
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Can Cheapflights notify me if prices for flights from Dulles Intl become cheaper?
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