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Cheap flights from Boston to Cairns from $1,168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Cairns departing on 16/7. 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

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Find the cheapest flights from Boston to Cairns

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:45 - 12:55
BOS
-
CNS
36h 10m
3 stops
Multiple Airlines Logo
19:10 - 22:39
CNS
-
BOS
41h 29m
3 stops
$2,221Multiple Airlines
Do, 28 Mai - Do, 4 Jun
Multiple Airlines Logo
06:00 - 15:55
BOS
-
CNS
43h 55m
3 stops
Multiple Airlines Logo
19:10 - 22:40
CNS
-
BOS
41h 30m
3 stops
$2,334Multiple Airlines
Mo, 7 Sep - Do, 17 Sep
Multiple Airlines Logo
06:00 - 15:55
BOS
-
CNS
43h 55m
3 stops
Multiple Airlines Logo
19:10 - 09:55
CNS
-
BOS
52h 45m
3 stops
$2,338Multiple Airlines
Mo, 7 Sep - Do, 17 Sep
Qatar Airways Logo
22:00 - 11:25
BOS
-
CNS
47h 25m
2 stops
Qatar Airways Logo
12:10 - 15:15
CNS
-
BOS
41h 05m
2 stops
$2,451Qatar Airways
Mo, 7 Sep - Do, 17 Sep
Multiple Airlines Logo
08:15 - 10:35
BOS
-
CNS
36h 20m
2 stops
Multiple Airlines Logo
19:10 - 20:54
CNS
-
BOS
39h 44m
2 stops
$2,485Multiple Airlines
Do, 28 Mai - Do, 4 Jun
Multiple Airlines Logo
06:00 - 15:55
BOS
-
CNS
43h 55m
3 stops
Multiple Airlines Logo
19:10 - 22:40
CNS
-
BOS
41h 30m
3 stops
$2,529Multiple Airlines
Mo, 7 Sep - Do, 17 Sep
American Airlines Logo
18:00 - 12:55
BOS
-
CNS
28h 55m
2 stops
American Airlines Logo
15:45 - 07:05
CNS
-
BOS
29h 20m
2 stops
$2,559American Airlines
Di, 26 Mai - Di, 2 Jun
Multiple Airlines Logo
12:30 - 13:40
BOS
-
CNS
35h 10m
3 stops
Multiple Airlines Logo
16:35 - 22:39
CNS
-
BOS
44h 04m
3 stops
$2,566Multiple Airlines
Di, 26 Mai - Di, 2 Jun
Multiple Airlines Logo
18:00 - 12:55
BOS
-
CNS
28h 55m
2 stops
Multiple Airlines Logo
06:45 - 19:20
CNS
-
BOS
26h 35m
2 stops
$2,568Multiple Airlines
Di, 26 Mai - Di, 2 Jun
Air Canada Logo
18:55 - 15:55
BOS
-
CNS
55h 00m
3 stops
Air Canada Logo
16:35 - 11:46
CNS
-
BOS
57h 11m
3 stops
$2,587Air Canada
Di, 26 Mai - Di, 2 Jun

Qantas Airways flights from Boston to Cairns

Our best Qantas Airways deals on Boston to Cairns flight tickets
Qantas Airways
10 July
BOS20:35Boston Logan Intl
53h 40m
2 stops
CNS16:15Cairns
26 July
CNS11:20Cairns
35h 11m
2 stops
BOS08:31Boston Logan Intl
$2,627
Qantas Airways
10 July
BOS17:40Boston Logan Intl
33h 55m
2 stops
CNS17:35Cairns
26 July
CNS11:20Cairns
35h 11m
2 stops
BOS08:31Boston Logan Intl
$2,670
Qantas Airways
10 July
BOS20:35Boston Logan Intl
55h 00m
2 stops
CNS17:35Cairns
26 July
CNS06:00Cairns
40h 31m
2 stops
BOS08:31Boston Logan Intl
$2,698

Japan Airlines flights from Boston to Cairns

Our best Japan Airlines deals on Boston to Cairns flight tickets
Japan Airlines
7 Sept
BOS13:00Boston Logan Intl
25h 30m
1 stop
CNS04:30Cairns
17 Sept
CNS11:40Cairns
41h 24m
2 stops
BOS15:04Boston Logan Intl
$14,972
Japan Airlines
7 Sept
BOS13:00Boston Logan Intl
25h 30m
1 stop
CNS04:30Cairns
17 Sept
CNS11:40Cairns
41h 24m
2 stops
BOS15:04Boston Logan Intl
$14,973

momondo Fare Finder

 
Customise your flight search to find flights from Boston 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 14 April 2026.
Use the filters below to find and compare flights from Boston to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Do 28/5

10:45-12:55

3 stops36h 10m

Cairns

Do 4/6

19:10-22:39

3 stops41h 29m

$2,221

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mo 7/9

06:00-15:55

3 stops43h 55m

Cairns

Do 17/9

19:10-22:40

3 stops41h 30m

$2,334

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mo 7/9

06:00-15:55

3 stops43h 55m

Cairns

Do 17/9

19:10-09:55

3 stops52h 45m

$2,338

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mo 7/9

22:00-11:25

2 stops47h 25m

Cairns

Do 17/9

12:10-15:15

2 stops41h 05m

$2,451

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Do 28/5

08:15-10:35

2 stops36h 20m

Cairns

Do 4/6

19:10-20:54

2 stops39h 44m

$2,485

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mo 7/9

06:00-15:55

3 stops43h 55m

Cairns

Do 17/9

19:10-22:40

3 stops41h 30m

$2,529

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Di 26/5

18:00-12:55

2 stops28h 55m

Cairns

Di 2/6

15:45-07:05

2 stops29h 20m

$2,559

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Di 26/5

12:30-13:40

3 stops35h 10m

Cairns

Di 2/6

16:35-22:39

3 stops44h 04m

$2,566
Fastest return journey

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Di 26/5

18:00-12:55

2 stops28h 55m

Cairns

Di 2/6

06:45-19:20

2 stops26h 35m

$2,568

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Di 26/5

18:55-15:55

3 stops55h 00m

Cairns

Di 2/6

16:35-11:46

3 stops57h 11m

$2,587

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Cairns from

How to get the cheapest flight ticket from Boston 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 Boston Logan Intl to Cairns?

United Airlines is the most popular carrier operating from Boston Logan Intl to Cairns

When to book flights from Boston to Cairns

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

Cheap Boston to Cairns (BOS to CNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Cairns

Fastest flight time

33h 55m

Direct flights

None
The fastest flight from Boston to Cairns takes 33h 55m
There are no direct flights from Boston to Cairns. There are no popular flight routes from Boston to Cairns.
Search flight deals

Frequently asked questions about flying from Boston to Cairns

  • How far is Boston Logan Intl to Cairns by plane?

    Boston Logan Intl and Cairns are 15516.0 km apart from one another. Flights usually cover this in 33h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Cairns Airport?

    Prices for flights from Boston Logan Intl Airport to Cairns Airport are updated daily.

  • How old do you have to be to fly from Boston Logan Intl 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl 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 licence 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.

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 Boston to Cairns?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Cairns . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Cairns with flexible booking policies on momondo?

All flight searches from Boston to Cairns on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Cairns?

momondo helps you find the best flight between Boston and Cairns by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Boston to Cairns flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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