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Cheap flights from Washington, D.C. to Cairns from $787

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 5/8. 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

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

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:24 - 12:55
IAD
-
CNS
27h 31m
2 stops
Multiple Airlines Logo
15:45 - 05:13
CNS
-
IAD
27h 28m
2 stops
$2,365Multiple Airlines
Sun, 28 Jun - Fri, 10 Jul
Qantas Airways Logo
19:10 - 11:50
BWI
-
CNS
50h 40m
2 stops
Qantas Airways Logo
18:20 - 19:19
CNS
-
BWI
38h 59m
2 stops
$2,393Qantas Airways
Sun, 28 Jun - Fri, 10 Jul
Multiple Airlines Logo
17:16 - 10:35
DCA
-
CNS
27h 19m
2 stops
Multiple Airlines Logo
06:45 - 21:30
CNS
-
DCA
28h 45m
2 stops
$2,418Multiple Airlines
Sun, 31 May - Sun, 7 Jun
Qantas Airways Logo
15:25 - 11:50
DCA
-
CNS
30h 25m
2 stops
Qantas Airways Logo
06:45 - 21:30
CNS
-
DCA
28h 45m
2 stops
$2,449Qantas Airways
Sat, 30 May - Sat, 6 Jun
Air New Zealand Logo
18:35 - 13:40
IAD
-
CNS
29h 05m
2 stops
Air New Zealand Logo
10:55 - 01:17
CNS
-
IAD
28h 22m
2 stops
$2,667Air New Zealand
Tue, 22 Sep - Sun, 4 Oct
Air New Zealand Logo
17:35 - 13:40
IAD
-
CNS
30h 05m
2 stops
Air New Zealand Logo
18:55 - 21:12
CNS
-
IAD
40h 17m
3 stops
$2,720Air New Zealand
Tue, 22 Sep - Sun, 4 Oct
Air Canada Logo
22:14 - 15:55
IAD
-
CNS
51h 41m
3 stops
Air Canada Logo
06:00 - 06:22
CNS
-
IAD
38h 22m
2 stops
$2,838Air Canada
Tue, 26 May - Tue, 2 Jun
Air Canada Logo
22:14 - 15:55
IAD
-
CNS
51h 41m
3 stops
Air Canada Logo
06:00 - 06:22
CNS
-
IAD
38h 22m
2 stops
$2,845Air Canada
Tue, 26 May - Tue, 2 Jun
United Airlines Logo
15:03 - 15:55
BWI
-
CNS
34h 52m
3 stops
United Airlines Logo
06:00 - 17:57
CNS
-
BWI
25h 57m
2 stops
$2,929United Airlines
Tue, 26 May - Tue, 2 Jun
United Airlines Logo
15:03 - 15:55
BWI
-
CNS
34h 52m
3 stops
United Airlines Logo
06:00 - 11:47
CNS
-
BWI
43h 47m
3 stops
$2,959United Airlines
Tue, 26 May - Tue, 2 Jun

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Qantas Airways flights from Washington, D.C. to Cairns

Our best Qantas Airways deals on Washington, D.C. to Cairns flight tickets
Qantas Airways
21 Apr
IAD17:59Washington, D.C. Dulles Intl
51h 51m
2 stops
CNS11:50Cairns
28 Apr
CNS20:10Cairns
41h 16m
2 stops
IAD23:26Washington, D.C. Dulles Intl
$2,323
Qantas Airways
28 June
BWI19:10Baltimore/Washington
50h 40m
2 stops
CNS11:50Cairns
10 July
CNS18:20Cairns
38h 59m
2 stops
BWI19:19Baltimore/Washington
$2,393
Qantas Airways
1 Aug
DCA13:47Washington, D.C. Reagan-National
32h 03m
2 stops
CNS11:50Cairns
8 Aug
CNS06:50Cairns
28h 37m
2 stops
DCA21:27Washington, D.C. Reagan-National
$2,396

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

Our best United Airlines deals on Washington, D.C. to Cairns flight tickets
United Airlines
21 Apr
BWI06:05Baltimore/Washington
43h 50m
2 stops
CNS15:55Cairns
28 Apr
CNS06:00Cairns
43h 37m
3 stops
BWI11:37Baltimore/Washington
$2,771
United Airlines
30 Aug
BWI18:59Baltimore/Washington
26h 11m
2 stops
CNS11:10Cairns
2 Sept
CNS06:00Cairns
25h 50m
2 stops
BWI17:50Baltimore/Washington
$3,559
United Airlines
30 Aug
BWI18:59Baltimore/Washington
26h 11m
2 stops
CNS11:10Cairns
2 Sept
CNS06:00Cairns
25h 50m
2 stops
BWI17:50Baltimore/Washington
$3,561

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 16 April 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
Fastest return journey

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Sun 28/6

19:24-12:55

2 stops27h 31m

Cairns

Fri 10/7

15:45-05:13

2 stops27h 28m

$2,365

BaltimoreCairns

BWI - CNS

BWICNS

Baltimore/Washington

Sun 28/6

19:10-11:50

2 stops50h 40m

Cairns

Fri 10/7

18:20-19:19

2 stops38h 59m

$2,393

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Sun 31/5

17:16-10:35

2 stops27h 19m

Cairns

Sun 7/6

06:45-21:30

2 stops28h 45m

$2,418

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Sat 30/5

15:25-11:50

2 stops30h 25m

Cairns

Sat 6/6

06:45-21:30

2 stops28h 45m

$2,449

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Tue 22/9

18:35-13:40

2 stops29h 05m

Cairns

Sun 4/10

10:55-01:17

2 stops28h 22m

$2,667

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Tue 22/9

17:35-13:40

2 stops30h 05m

Cairns

Sun 4/10

18:55-21:12

3 stops40h 17m

$2,720

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Tue 26/5

22:14-15:55

3 stops51h 41m

Cairns

Tue 2/6

06:00-06:22

2 stops38h 22m

$2,838

Washington, D.C.Cairns

IAD - CNS

IADCNS

Washington, D.C. Dulles Intl

Tue 26/5

22:14-15:55

3 stops51h 41m

Cairns

Tue 2/6

06:00-06:22

2 stops38h 22m

$2,845

BaltimoreCairns

BWI - CNS

BWICNS

Baltimore/Washington

Tue 26/5

15:03-15:55

3 stops34h 52m

Cairns

Tue 2/6

06:00-17:57

2 stops25h 57m

$2,929

BaltimoreCairns

BWI - CNS

BWICNS

Baltimore/Washington

Tue 26/5

15:03-15:55

3 stops34h 52m

Cairns

Tue 2/6

06:00-11:47

3 stops43h 47m

$2,959

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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?

Air New Zealand and United Airlines are the most popular carriers 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

26h 11m

Direct flights

None
The fastest flight from Washington, D.C. to Cairns takes 26h 11m
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 26h 11m.

  • 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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