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Cheap flights from Washington, D.C. to Cairns from $992

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. to Cairns departing on 4/11. 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. to Cairns

Cheap return flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
21:00 - 23:20
IAD
-
CNS
36h 20m
2 stops
Qatar Airways Logo
21:00 - 15:40
CNS
-
IAD
56h 40m
2 stops
$2,208Qatar Airways
Sat, 12 Sep - Sat, 19 Sep
Air Canada Logo
08:29 - 11:10
IAD
-
CNS
36h 41m
2 stops
Air Canada Logo
16:35 - 20:25
CNS
-
IAD
41h 50m
3 stops
$2,236Air Canada
Sat, 12 Sep - Sat, 19 Sep
United Airlines Logo
17:43 - 20:20
BWI
-
CNS
36h 37m
2 stops
United Airlines Logo
06:00 - 17:34
CNS
-
BWI
25h 34m
2 stops
$2,271United Airlines
Wed, 30 Sep - Fri, 16 Oct
Multiple Airlines Logo
22:20 - 05:35
IAD
-
CNS
65h 15m
2 stops
Multiple Airlines Logo
11:40 - 16:45
CNS
-
IAD
67h 05m
2 stops
$2,326Multiple Airlines
Thu, 27 Aug - Sun, 11 Oct
Qantas Airways Logo
15:55 - 13:40
BWI
-
CNS
31h 45m
2 stops
Qantas Airways Logo
13:40 - 21:29
CNS
-
BWI
45h 49m
2 stops
$2,456Qantas Airways
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
16:00 - 13:40
IAD
-
CNS
31h 40m
3 stops
Multiple Airlines Logo
16:35 - 20:25
CNS
-
IAD
41h 50m
3 stops
$2,527Multiple Airlines
Sat, 12 Sep - Sat, 19 Sep
Qantas Airways Logo
11:59 - 13:40
BWI
-
CNS
35h 41m
2 stops
Qantas Airways Logo
13:40 - 19:26
CNS
-
BWI
43h 46m
2 stops
$2,604Qantas Airways
Sat, 12 Sep - Sat, 19 Sep
Multiple Airlines Logo
22:20 - 05:35
IAD
-
CNS
65h 15m
2 stops
Multiple Airlines Logo
11:40 - 16:45
CNS
-
IAD
67h 05m
2 stops
$2,609Multiple Airlines
Thu, 27 Aug - Mon, 7 Sep
Multiple Airlines Logo
12:15 - 04:30
IAD
-
CNS
26h 15m
1 stop
Multiple Airlines Logo
19:10 - 18:29
CNS
-
IAD
37h 19m
2 stops
$2,793Multiple Airlines
Thu, 27 Aug - Mon, 7 Sep
United Airlines Logo
12:57 - 20:20
DCA
-
CNS
41h 23m
3 stops
United Airlines Logo
06:00 - 16:36
CNS
-
DCA
24h 36m
2 stops
$2,911United Airlines
Wed, 30 Sep - Fri, 16 Oct

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Air New Zealand flights from Washington, D.C. to Cairns

Our best Air New Zealand deals on Washington, D.C. to Cairns flight tickets
Air New Zealand
27 Aug
BWI13:15Baltimore/Washington
31h 30m
2 stops
CNS10:45Cairns
11 Oct
CNS14:40Cairns
39h 57m
2 stops
BWI16:37Baltimore/Washington
$3,089
Air New Zealand
7 Sept
DCA17:45Washington, D.C. Reagan-National
29h 10m
2 stops
CNS12:55Cairns
14 Sept
CNS11:55Cairns
26h 04m
2 stops
DCA23:59Washington, D.C. Reagan-National
$3,167
Air New Zealand
12 Sept
DCA12:57Washington, D.C. Reagan-National
31h 48m
2 stops
CNS10:45Cairns
19 Sept
CNS11:55Cairns
24h 18m
2 stops
DCA22:13Washington, D.C. Reagan-National
$3,224

United Airlines flights from Washington, D.C. to Cairns

Our best United Airlines deals on Washington, D.C. to Cairns flight tickets
United Airlines
30 Sept
BWI17:43Baltimore/Washington
36h 37m
2 stops
CNS20:20Cairns
16 Oct
CNS06:00Cairns
25h 34m
2 stops
BWI17:34Baltimore/Washington
$2,271
United Airlines
27 Aug
BWI17:44Baltimore/Washington
32h 11m
2 stops
CNS15:55Cairns
11 Oct
CNS06:00Cairns
43h 56m
3 stops
BWI11:56Baltimore/Washington
$3,635

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. 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 78,305 searches. Data last updated 1 August 2026.
Use the filters below to find and compare flights from Washington, D.C. to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Sat 12/9

21:00-23:20

2 stops36h 20m

Cairns

Sat 19/9

21:00-15:40

2 stops56h 40m

$2,208

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Sat 12/9

08:29-11:10

2 stops36h 41m

Cairns

Sat 19/9

16:35-20:25

3 stops41h 50m

$2,236
Fastest return journey

BaltimoreCairns

BWI - CNS

BWICNS

Baltimore/Washington

Wed 30/9

17:43-20:20

2 stops36h 37m

Cairns

Fri 16/10

06:00-17:34

2 stops25h 34m

$2,271

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Thu 27/8

22:20-05:35

2 stops65h 15m

Cairns

Sun 11/10

11:40-16:45

2 stops67h 05m

$2,326

BaltimoreCairns

BWI - CNS

BWICNS

Baltimore/Washington

Mon 7/9

15:55-13:40

2 stops31h 45m

Cairns

Mon 14/9

13:40-21:29

2 stops45h 49m

$2,456

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Sat 12/9

16:00-13:40

3 stops31h 40m

Cairns

Sat 19/9

16:35-20:25

3 stops41h 50m

$2,527

BaltimoreCairns

BWI - CNS

BWICNS

Baltimore/Washington

Sat 12/9

11:59-13:40

2 stops35h 41m

Cairns

Sat 19/9

13:40-19:26

2 stops43h 46m

$2,604

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Thu 27/8

22:20-05:35

2 stops65h 15m

Cairns

Mon 7/9

11:40-16:45

2 stops67h 05m

$2,609

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Thu 27/8

12:15-04:30

1 stop26h 15m

Cairns

Mon 7/9

19:10-18:29

2 stops37h 19m

$2,793

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Wed 30/9

12:57-20:20

3 stops41h 23m

Cairns

Fri 16/10

06:00-16:36

2 stops24h 36m

$2,911

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Cairns from

How to get the cheapest flight ticket from Washington, D.C. to Cairns

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. to Cairns?

Qantas Airways is the most popular carrier operating from Washington, D.C. to Cairns

When to book flights from Washington, D.C. to Cairns

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

Cheap Washington, D.C. to Cairns (WAS to CNS) flight deals and tips

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

Fastest flight time

28h 07m

Direct flights

None
The fastest flight from Washington, D.C. to Cairns takes 28h 07m
There are no direct flights from Washington, D.C. to Cairns. There are no popular flight routes from Washington, D.C. to Cairns.
Search flight deals

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

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

    Cairns is 15201.1 km away from Washington, D.C.. In terms of flight time, this usually takes a little over 28h 07m.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. 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 licence 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.

Travelling to a place near Cairns?

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

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Cairns flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cairns that suits you.

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

momondo does allow users to show only those flights to Cairns from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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?

If you are simply researching potential flights to Cairns, momondo offers a useful price alert feature which will track prices for flights to Cairns from Washington, D.C. and alert you when they change.

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