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Cheap flights from Washington, D.C. Dulles Intl Airport to Cairns from $709

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Cairns departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:53 pm - 12:55 pm
IAD
-
CNS
32h 02m
2 stops
Multiple Airlines Logo
7:10 pm - 8:24 pm
CNS
-
IAD
39h 14m
2 stops
$1,491Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
Qatar Airways Logo
9:00 pm - 11:20 pm
IAD
-
CNS
36h 20m
2 stops
Qatar Airways Logo
9:00 pm - 3:40 pm
CNS
-
IAD
56h 40m
2 stops
$1,514Qatar Airways
Mon, Sep 7 - Mon, Sep 14
Multiple Airlines Logo
8:29 am - 3:00 pm
IAD
-
CNS
40h 31m
2 stops
Multiple Airlines Logo
7:10 pm - 8:25 pm
CNS
-
IAD
39h 15m
3 stops
$1,574Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
Multiple Airlines Logo
8:29 am - 11:10 am
IAD
-
CNS
36h 41m
2 stops
Multiple Airlines Logo
7:10 pm - 8:25 pm
CNS
-
IAD
39h 15m
3 stops
$2,172Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
Emirates Logo
10:55 am - 7:30 pm
IAD
-
CNS
42h 35m
2 stops
Emirates Logo
1:55 pm - 8:40 am
CNS
-
IAD
56h 45m
2 stops
$2,207Emirates
Sat, Sep 5 - Sat, Sep 12
Air New Zealand Logo
5:48 pm - 4:55 pm
IAD
-
CNS
33h 07m
3 stops
Air New Zealand Logo
5:40 pm - 5:55 am
CNS
-
IAD
50h 15m
3 stops
$2,233Air New Zealand
Mon, Sep 7 - Mon, Sep 14
Air Canada Logo
4:20 pm - 11:10 am
IAD
-
CNS
28h 50m
3 stops
Air Canada Logo
6:00 am - 8:25 pm
CNS
-
IAD
28h 25m
3 stops
$2,278Air Canada
Mon, Sep 7 - Mon, Sep 14
Multiple Airlines Logo
9:45 am - 4:30 am
IAD
-
CNS
28h 45m
2 stops
Multiple Airlines Logo
4:35 pm - 3:25 pm
CNS
-
IAD
60h 50m
3 stops
$2,520Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
Air Canada Logo
10:19 pm - 3:55 pm
IAD
-
CNS
51h 36m
3 stops
Air Canada Logo
4:35 pm - 8:25 pm
CNS
-
IAD
41h 50m
3 stops
$2,864Air Canada
Sat, Sep 5 - Sat, Sep 12
Multiple Airlines Logo
8:10 pm - 4:35 am
IAD
-
CNS
41h 25m
2 stops
Multiple Airlines Logo
3:45 pm - 3:55 pm
CNS
-
IAD
39h 10m
2 stops
$11,907Multiple Airlines
Thu, Dec 17 - Sun, Jan 3

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Air Canada flights from Washington, D.C. Dulles Intl Airport to Cairns

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Cairns flight tickets
Air Canada
Sep 7
IAD4:20 pmWashington, D.C. Dulles Intl
28h 50m
3 stops
CNS11:10 amCairns
Sep 14
CNS6:00 amCairns
28h 25m
3 stops
IAD8:25 pmWashington, D.C. Dulles Intl
$2,278
Air Canada
Sep 5
IAD10:19 pmWashington, D.C. Dulles Intl
51h 36m
3 stops
CNS3:55 pmCairns
Sep 12
CNS4:35 pmCairns
41h 50m
3 stops
IAD8:25 pmWashington, D.C. Dulles Intl
$2,864

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated July 27, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Mon 9/7

2:53 pm-12:55 pm

2 stops32h 02m

Cairns

Mon 9/14

7:10 pm-8:24 pm

2 stops39h 14m

$1,491

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Mon 9/7

9:00 pm-11:20 pm

2 stops36h 20m

Cairns

Mon 9/14

9:00 pm-3:40 pm

2 stops56h 40m

$1,514

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Mon 9/7

8:29 am-3:00 pm

2 stops40h 31m

Cairns

Mon 9/14

7:10 pm-8:25 pm

3 stops39h 15m

$1,574

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Mon 9/7

8:29 am-11:10 am

2 stops36h 41m

Cairns

Mon 9/14

7:10 pm-8:25 pm

3 stops39h 15m

$2,172

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Sat 9/5

10:55 am-7:30 pm

2 stops42h 35m

Cairns

Sat 9/12

1:55 pm-8:40 am

2 stops56h 45m

$2,207

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Mon 9/7

5:48 pm-4:55 pm

3 stops33h 07m

Cairns

Mon 9/14

5:40 pm-5:55 am

3 stops50h 15m

$2,233
Quickest round-trip

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Mon 9/7

4:20 pm-11:10 am

3 stops28h 50m

Cairns

Mon 9/14

6:00 am-8:25 pm

3 stops28h 25m

$2,278

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Sat 9/5

9:45 am-4:30 am

2 stops28h 45m

Cairns

Sat 9/12

4:35 pm-3:25 pm

3 stops60h 50m

$2,520

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Sat 9/5

10:19 pm-3:55 pm

3 stops51h 36m

Cairns

Sat 9/12

4:35 pm-8:25 pm

3 stops41h 50m

$2,864

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Thu 12/17

8:10 pm-4:35 am

2 stops41h 25m

Cairns

Sun 1/3

3:45 pm-3:55 pm

2 stops39h 10m

$11,907

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Washington, D.C. Dulles Intl Airport to Cairns

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Cairns according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Cairns (IAD to CNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Cairns

Fastest flight time

36h 20m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Cairns takes 36h 20m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Cairns. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Cairns.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Cairns

  • How far is Washington, D.C. Dulles Intl to Cairns by plane?

    The distance between Washington, D.C. Dulles Intl and Cairns is about 9423.5 mi. Typically, this will take 36h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Cairns Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Cairns Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Cairns Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Cairns Airport.

  • What documentation or ID do you need to fly to Cairns Airport?

    The necessary travel and health documents for your Cairns Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Cairns

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Cairns?

    Confirm your travel details to search for the latest offers for flights from Washington, D.C. Dulles Intl Airport to Cairns. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Cairns with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Port Douglas
Mission Beach
Palm Cove
Trinity Beach

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Cairns?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Cairns for you.

Can I find flights from Washington, D.C. to Cairns with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cairns from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Cairns?

momondo provides multiple filters to help you find the best flight to Cairns from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Cairns right now. Can momondo alert me if prices change?

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