HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cairns

$1,634+ Cheap flights from Dulles Intl (IAD) to Cairns (CNS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CNS
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Cairns with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Cairns

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Cairns (CNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$1,494
(KAYAK)
Provider with most accurate pricing for Washington, D.C. (WAS)-Cairns flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Cairns flights.
Search Deals
From Washington, D.C. Dulles Intl to Cairns
Search Deals

Find flight deals from Dulles Intl to Cairns

Cheapest flights from Dulles Intl to Cairns
Explore the most affordable flight options available from Dulles Intl to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2025.

This Ovago deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/18:05 pmIAD - CNS
3 stops45h 25mMultiple Airlines
mié. 12/109:45 amCNS - IAD
3 stops45h 10mMultiple Airlines
Deal found 11/6$1,883
This FlightHub deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/18:05 pmIAD - CNS
2 stops36h 00mQatar Airways
mié. 12/103:45 pmCNS - IAD
2 stops39h 10mQatar Airways
Deal found 11/6$2,249

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Cairns that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 6, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cairns that are best for you.

Fly from

Dulles Intl

Fly to

Cairns

Route

Depart

Return

Price

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

sáb. 2/7

5:26 pm-11:05 pm

2 stops38h 39m

Cairns

mié. 2/11

3:35 pm-10:51 pm

2 stops46h 16m

$1,634

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

lun. 12/1

8:05 pm-8:30 am

3 stops45h 25m

Cairns

mié. 12/10

9:45 am-3:55 pm

3 stops45h 10m

$1,883

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

sáb. 2/7

10:30 am-11:05 pm

2 stops45h 35m

Cairns

mié. 2/11

11:50 am-8:10 am

2 stops59h 20m

$2,054

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

lun. 12/1

8:05 pm-11:05 pm

2 stops36h 00m

Cairns

mié. 12/10

3:45 pm-3:55 pm

2 stops39h 10m

$2,249

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Best time to book a flight from Dulles Intl to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns from Dulles Intl with our price prediction graph.
Estimated round-trip 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.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Cairns. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cairns from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Cairns, you will be flying into Cairns. Cairns (CNS) is just 2.8 mi from the center of the city. Cairns is the only Cairns airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Cairns from Washington, D.C. Dulles Intl on a regular basis.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Cairns?

    For as low as $1,634, Qantas Airways can have you in Cairns from Washington, D.C. Dulles Intl Airport in 38h 39m. The distance between Washington, D.C. Dulles Intl Airport and Cairns is about 9423 mi.

  • Can I find deals for flights from Dulles Intl to Cairns that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Cairns flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Cairns?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Cairns.

  • Can I find deals for business class flights from Dulles Intl to Cairns?

    Yes. Cheapflights offers flight deals from Dulles Intl to Cairns by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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.

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.