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Cheap flights from Washington, D.C. Reagan-National Airport to Cairns from $1,995

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Cairns departing on 6/30. 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
0 bags

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:59 pm - 8:20 pm
DCA
-
CNS
36h 21m
2 stops
United Airlines Logo
6:00 am - 4:47 pm
CNS
-
DCA
24h 47m
2 stops
$1,995United Airlines
Tue, Jun 30 - Wed, Jul 15
United Airlines Logo
7:55 am - 11:10 am
DCA
-
CNS
37h 15m
2 stops
United Airlines Logo
6:00 am - 10:30 pm
CNS
-
DCA
30h 30m
2 stops
$2,014United Airlines
Sun, Jun 28 - Wed, Jul 15
United Airlines Logo
7:55 am - 11:10 am
DCA
-
CNS
37h 15m
2 stops
United Airlines Logo
6:00 am - 4:47 pm
CNS
-
DCA
24h 47m
2 stops
$2,015United Airlines
Sun, Jun 28 - Wed, Jul 15
Qantas Airways Logo
5:16 pm - 12:55 pm
DCA
-
CNS
29h 39m
2 stops
Qantas Airways Logo
6:50 am - 10:59 pm
CNS
-
DCA
30h 09m
2 stops
$2,028Qantas Airways
Mon, Jun 29 - Mon, Jul 20
United Airlines Logo
1:00 pm - 11:10 am
DCA
-
CNS
32h 10m
3 stops
United Airlines Logo
6:00 am - 10:30 pm
CNS
-
DCA
30h 30m
2 stops
$2,072United Airlines
Sun, Jun 28 - Wed, Jul 15
United Airlines Logo
1:00 pm - 11:10 am
DCA
-
CNS
32h 10m
3 stops
United Airlines Logo
6:00 am - 10:30 pm
CNS
-
DCA
30h 30m
2 stops
$2,073United Airlines
Sun, Jun 28 - Wed, Jul 15
Air New Zealand Logo
6:00 am - 10:45 am
DCA
-
CNS
38h 45m
2 stops
Air New Zealand Logo
2:40 pm - 10:30 pm
CNS
-
DCA
45h 50m
2 stops
$2,143Air New Zealand
Sat, Jun 27 - Thu, Jul 23
Qantas Airways Logo
5:16 pm - 5:35 pm
DCA
-
CNS
34h 19m
2 stops
Qantas Airways Logo
1:40 pm - 10:59 pm
CNS
-
DCA
47h 19m
2 stops
$2,178Qantas Airways
Mon, Jun 29 - Tue, Jul 21
Multiple Airlines Logo
5:49 pm - 6:25 pm
DCA
-
CNS
34h 36m
2 stops
Multiple Airlines Logo
7:10 pm - 4:47 pm
CNS
-
DCA
35h 37m
2 stops
$2,200Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
4:59 pm - 3:55 pm
DCA
-
CNS
32h 56m
3 stops
Multiple Airlines Logo
7:10 pm - 4:47 pm
CNS
-
DCA
35h 37m
2 stops
$2,205Multiple Airlines
Mon, Jun 15 - Mon, Jun 22

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United Airlines flights from Washington, D.C. Reagan-National Airport to Cairns

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Cairns flight tickets
United Airlines
Jun 30
DCA5:59 pmWashington, D.C. Reagan-National
36h 21m
2 stops
CNS8:20 pmCairns
Jul 15
CNS6:00 amCairns
24h 47m
2 stops
DCA4:47 pmWashington, D.C. Reagan-National
$1,995
United Airlines
Jun 28
DCA7:55 amWashington, D.C. Reagan-National
37h 15m
2 stops
CNS11:10 amCairns
Jul 15
CNS6:00 amCairns
30h 30m
2 stops
DCA10:30 pmWashington, D.C. Reagan-National
$2,014
United Airlines
Jun 28
DCA7:55 amWashington, D.C. Reagan-National
37h 15m
2 stops
CNS11:10 amCairns
Jul 15
CNS6:00 amCairns
24h 47m
2 stops
DCA4:47 pmWashington, D.C. Reagan-National
$2,015

Qantas Airways flights from Washington, D.C. Reagan-National Airport to Cairns

Our best Qantas Airways deals on Washington, D.C. Reagan-National Airport to Cairns flight tickets
Qantas Airways
Jun 29
DCA5:16 pmWashington, D.C. Reagan-National
29h 39m
2 stops
CNS12:55 pmCairns
Jul 20
CNS6:50 amCairns
30h 09m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$2,028
Qantas Airways
Jun 29
DCA5:16 pmWashington, D.C. Reagan-National
34h 19m
2 stops
CNS5:35 pmCairns
Jul 21
CNS1:40 pmCairns
47h 19m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$2,178
Qantas Airways
Jun 30
DCA5:16 pmWashington, D.C. Reagan-National
29h 39m
2 stops
CNS12:55 pmCairns
Jul 16
CNS6:50 amCairns
26h 09m
2 stops
DCA6:59 pmWashington, D.C. Reagan-National
$2,228

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National 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 May 6, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Tue 6/30

5:59 pm-8:20 pm

2 stops36h 21m

Cairns

Wed 7/15

6:00 am-4:47 pm

2 stops24h 47m

$1,995

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Sun 6/28

7:55 am-11:10 am

2 stops37h 15m

Cairns

Wed 7/15

6:00 am-10:30 pm

2 stops30h 30m

$2,014

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Sun 6/28

7:55 am-11:10 am

2 stops37h 15m

Cairns

Wed 7/15

6:00 am-4:47 pm

2 stops24h 47m

$2,015
Quickest round-trip

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Mon 6/29

5:16 pm-12:55 pm

2 stops29h 39m

Cairns

Mon 7/20

6:50 am-10:59 pm

2 stops30h 09m

$2,028

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Sun 6/28

1:00 pm-11:10 am

3 stops32h 10m

Cairns

Wed 7/15

6:00 am-10:30 pm

2 stops30h 30m

$2,072

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Sun 6/28

1:00 pm-11:10 am

3 stops32h 10m

Cairns

Wed 7/15

6:00 am-10:30 pm

2 stops30h 30m

$2,073

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Sat 6/27

6:00 am-10:45 am

2 stops38h 45m

Cairns

Thu 7/23

2:40 pm-10:30 pm

2 stops45h 50m

$2,143

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Mon 6/29

5:16 pm-5:35 pm

2 stops34h 19m

Cairns

Tue 7/21

1:40 pm-10:59 pm

2 stops47h 19m

$2,178

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Mon 6/15

5:49 pm-6:25 pm

2 stops34h 36m

Cairns

Mon 6/22

7:10 pm-4:47 pm

2 stops35h 37m

$2,200

Washington, D.C.Cairns

DCA - CNS

DCACNS

Washington, D.C. Reagan-National

Mon 6/15

4:59 pm-3:55 pm

3 stops32h 56m

Cairns

Mon 6/22

7:10 pm-4:47 pm

2 stops35h 37m

$2,205

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Washington, D.C. Reagan-National Airport to Cairns

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National 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. Reagan-National Airport to Cairns (DCA to CNS) flight deals and tips

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

Fastest flight time

37h 15m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Cairns takes 37h 15m
There are no direct flights from Washington, D.C. Reagan-National Airport to Cairns. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Cairns.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Cairns

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

    A flight from Washington, D.C. Reagan-National to Cairns will travel around 9446.6 mi. Flights usually cover this in 37h 15m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Cairns Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Cairns Airport.

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

    The travel and health documents you'll need for your trip to Cairns Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cairns Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Cairns

  • How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to Cairns?

    Search flight deals from Washington, D.C. Reagan-National Airport to Cairns. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Washington, D.C. Reagan-National 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?

Finding the right flight to Cairns from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cairns quick and easy, saving you time and money.

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

Yes. All flights to Cairns from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Cairns.

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

Price alerts on flights to Cairns from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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