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$678+ Cheap flights from Dulles Intl (IAD) to Cairns (CNS)

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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CNS
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,178
(oojo)

One-way from

$678
(United Airlines)
Provider with most accurate pricing for Washington, D.C. (WAS)-Cairns flight deals.
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From Washington, D.C. Dulles Intl to Cairns
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One-way flight from Washington, D.C. Dulles Intl to Cairns
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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 October 23, 2025.

This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:30 amIAD - CNS
2 stops39h 25mUnited Airlines
Wed 12/106:00 amCNS - IAD
2 stops29h 55mUnited Airlines
Deal found 10/22$1,279
This Gurufare deal was found by Cheapflights users on 10/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:05 pmIAD - CNS
2 stops42h 40mMultiple Airlines
Wed 12/109:45 amCNS - IAD
3 stops45h 10mMultiple Airlines
Deal found 10/21$1,883
This Orbitz deal was found by Cheapflights users on 10/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:40 amIAD - CNS
3 stops54h 50mMultiple Airlines
Mon 11/107:15 pmCNS - IAD
2 stops52h 05mMultiple Airlines
Deal found 10/21$2,054
This oojo deal was found by Cheapflights users on 10/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:08 pmIAD - CNS
2 stops29h 57mQantas Airways
Sat 12/137:30 pmCNS - IAD
2 stops42h 13mQantas Airways
Deal found 10/22$2,382
This Jetabroad deal was found by Cheapflights users on 10/22. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:05 pmIAD - CNS
3 stops45h 25mMultiple Airlines
Sat 12/132:40 pmCNS - IAD
2 stops40h 15mMultiple Airlines
Deal found 10/22$2,595

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 October 23, 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

Sat 2/28

5:15 pm-11:00 am

2 stops26h 45m

Cairns

Fri 3/20

2:50 pm-4:09 pm

2 stops39h 19m

$1,178

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Sat 2/28

12:35 pm-2:00 pm

2 stops34h 25m

Cairns

Wed 3/4

6:00 am-8:48 pm

2 stops29h 48m

$1,279

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Mon 12/1

8:30 am-2:55 pm

2 stops39h 25m

Cairns

Wed 12/10

6:00 am-12:56 am

2 stops33h 56m

$1,279

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Mon 12/1

8:05 pm-8:30 am

3 stops45h 25m

Cairns

Wed 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

Sat 2/28

12:35 pm-2:05 pm

3 stops34h 30m

Cairns

Fri 3/20

2:50 pm-12:25 am

3 stops47h 35m

$2,047

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Sat 2/28

8:05 pm-5:45 am

2 stops42h 40m

Cairns

Fri 3/20

9:45 am-4:55 pm

3 stops45h 10m

$2,051

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Sat 2/28

10:30 am-11:05 pm

2 stops45h 35m

Cairns

Wed 3/4

11:50 am-8:10 am

2 stops59h 20m

$2,053

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Fri 3/20

12:40 pm-11:55 pm

2 stops45h 15m

$678

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Sat 3/21

4:10 pm-11:00 am

2 stops28h 50m

$682

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Fri 3/20

2:30 pm-2:55 pm

3 stops58h 25m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 11 results
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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 $1,178, Qantas Airways can have you in Cairns from Washington, D.C. Dulles Intl Airport in 26h 45m. The distance between Washington, D.C. Dulles Intl Airport and Cairns is about 9423 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

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