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Cheap flights from Boston to Cairns from $1,107

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 19/8. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
14:33 - 11:50
BOS
-
CNS
31h 17m
2 stops
Qantas Airways Logo
06:50 - 21:17
CNS
-
BOS
28h 27m
2 stops
$1,958Qantas Airways
Mon, 7 Sep - Thu, 17 Sep
Multiple Airlines Logo
13:00 - 13:40
BOS
-
CNS
34h 40m
3 stops
Multiple Airlines Logo
19:10 - 11:46
CNS
-
BOS
54h 36m
3 stops
$2,091Multiple Airlines
Fri, 24 Apr - Thu, 7 May
Qatar Airways Logo
22:00 - 23:20
BOS
-
CNS
35h 20m
2 stops
Qatar Airways Logo
09:20 - 15:15
CNS
-
BOS
43h 55m
2 stops
$2,110Qatar Airways
Mon, 7 Sep - Thu, 17 Sep
Qatar Airways Logo
22:00 - 23:20
BOS
-
CNS
35h 20m
2 stops
Qatar Airways Logo
09:20 - 15:15
CNS
-
BOS
43h 55m
2 stops
$2,122Qatar Airways
Mon, 7 Sep - Thu, 17 Sep
Qatar Airways Logo
22:00 - 23:20
BOS
-
CNS
35h 20m
2 stops
Qatar Airways Logo
16:55 - 15:05
CNS
-
BOS
60h 10m
2 stops
$2,165Qatar Airways
Fri, 24 Apr - Thu, 7 May
Qatar Airways Logo
22:00 - 23:20
BOS
-
CNS
35h 20m
2 stops
Qatar Airways Logo
09:20 - 15:05
CNS
-
BOS
43h 45m
2 stops
$2,176Qatar Airways
Fri, 24 Apr - Thu, 7 May
Qatar Airways Logo
22:00 - 09:50
BOS
-
CNS
45h 50m
2 stops
Qatar Airways Logo
10:30 - 15:05
CNS
-
BOS
42h 35m
2 stops
$2,182Qatar Airways
Thu, 23 Apr - Thu, 30 Apr
Multiple Airlines Logo
13:00 - 13:40
BOS
-
CNS
34h 40m
3 stops
Multiple Airlines Logo
19:10 - 22:39
CNS
-
BOS
41h 29m
3 stops
$2,238Multiple Airlines
Fri, 24 Apr - Thu, 7 May
Multiple Airlines Logo
13:00 - 15:55
BOS
-
CNS
36h 55m
3 stops
Multiple Airlines Logo
06:00 - 23:05
CNS
-
BOS
55h 05m
2 stops
$2,342Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr
Qantas Airways Logo
07:42 - 10:35
BOS
-
CNS
36h 53m
2 stops
Qantas Airways Logo
13:40 - 20:56
CNS
-
BOS
45h 16m
2 stops
$2,366Qantas Airways
Wed, 10 Jun - Wed, 24 Jun

Qantas Airways flights from Boston to Cairns

Our best Qantas Airways deals on Boston to Cairns flight tickets
Qantas Airways
7 Sept
BOS14:33Boston Logan Intl
31h 17m
2 stops
CNS11:50Cairns
17 Sept
CNS06:50Cairns
28h 27m
2 stops
BOS21:17Boston Logan Intl
$1,958
Qantas Airways
10 June
BOS07:42Boston Logan Intl
36h 53m
2 stops
CNS10:35Cairns
24 June
CNS13:40Cairns
45h 16m
2 stops
BOS20:56Boston Logan Intl
$2,366
Qantas Airways
10 July
BOS20:35Boston Logan Intl
53h 40m
2 stops
CNS16:15Cairns
26 July
CNS13:55Cairns
40h 47m
2 stops
BOS16:42Boston Logan Intl
$2,492

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
50h 03m
2 stops
BOS23:43Boston Logan Intl
$14,874
Japan Airlines
24 Apr
BOS13:00Boston Logan Intl
25h 30m
1 stop
CNS04:30Cairns
7 May
CNS11:40Cairns
41h 38m
2 stops
BOS15:18Boston Logan Intl
$14,875

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 11 March 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
Fastest return journey

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

14:33-11:50

2 stops31h 17m

Cairns

Thu 17/9

06:50-21:17

2 stops28h 27m

$1,958

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 24/4

13:00-13:40

3 stops34h 40m

Cairns

Thu 7/5

19:10-11:46

3 stops54h 36m

$2,091

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

22:00-23:20

2 stops35h 20m

Cairns

Thu 17/9

09:20-15:15

2 stops43h 55m

$2,110

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

22:00-23:20

2 stops35h 20m

Cairns

Thu 17/9

09:20-15:15

2 stops43h 55m

$2,122

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 24/4

22:00-23:20

2 stops35h 20m

Cairns

Thu 7/5

16:55-15:05

2 stops60h 10m

$2,165

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 24/4

22:00-23:20

2 stops35h 20m

Cairns

Thu 7/5

09:20-15:05

2 stops43h 45m

$2,176

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 23/4

22:00-09:50

2 stops45h 50m

Cairns

Thu 30/4

10:30-15:05

2 stops42h 35m

$2,182

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 24/4

13:00-13:40

3 stops34h 40m

Cairns

Thu 7/5

19:10-22:39

3 stops41h 29m

$2,238

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 23/4

13:00-15:55

3 stops36h 55m

Cairns

Thu 30/4

06:00-23:05

2 stops55h 05m

$2,342

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 10/6

07:42-10:35

2 stops36h 53m

Cairns

Wed 24/6

13:40-20:56

2 stops45h 16m

$2,366

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 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?

Japan 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

35h 20m

Direct flights

None
The fastest flight from Boston to Cairns takes 35h 20m
There are no direct flights from Boston to Cairns. There are no popular flight routes from Boston to Cairns.
Search flight deals

  • 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 35h 20m, 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
Trinity Beach
Mission 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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