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Cheap flights from Boston to Cairns from $1,060

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 22/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
16:29 - 15:00
BOS
-
CNS
32h 31m
2 stops
American Airlines Logo
15:45 - 06:35
CNS
-
BOS
28h 50m
2 stops
$1,735American Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
18:27 - 13:00
BOS
-
CNS
28h 33m
2 stops
Multiple Airlines Logo
19:10 - 17:21
CNS
-
BOS
36h 11m
2 stops
$1,856Multiple Airlines
Mon, 20 Jul - Sun, 2 Aug
Multiple Airlines Logo
16:29 - 11:15
BOS
-
CNS
28h 46m
2 stops
Multiple Airlines Logo
11:20 - 15:39
CNS
-
BOS
42h 19m
3 stops
$2,169Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
15:00 - 15:00
BOS
-
CNS
34h 00m
2 stops
Multiple Airlines Logo
12:00 - 20:38
CNS
-
BOS
46h 38m
3 stops
$2,181Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
Air Canada Logo
18:55 - 15:55
BOS
-
CNS
55h 00m
3 stops
Air Canada Logo
06:00 - 22:39
CNS
-
BOS
30h 39m
3 stops
$2,226Air Canada
Wed, 10 Jun - Wed, 17 Jun
Qatar Airways Logo
22:00 - 09:50
BOS
-
CNS
45h 50m
2 stops
Qatar Airways Logo
19:15 - 15:15
CNS
-
BOS
58h 00m
2 stops
$2,304Qatar Airways
Mon, 7 Sep - Thu, 17 Sep
American Airlines Logo
15:00 - 12:55
BOS
-
CNS
31h 55m
2 stops
American Airlines Logo
15:45 - 08:35
CNS
-
BOS
30h 50m
2 stops
$2,470American Airlines
Wed, 1 Jul - Sat, 11 Jul
Multiple Airlines Logo
15:00 - 22:25
BOS
-
CNS
41h 25m
2 stops
Multiple Airlines Logo
06:50 - 19:42
CNS
-
BOS
26h 52m
2 stops
$2,750Multiple Airlines
Tue, 1 Sep - Sun, 6 Sep
United Airlines Logo
11:35 - 20:20
BOS
-
CNS
42h 45m
2 stops
United Airlines Logo
06:00 - 17:05
CNS
-
BOS
25h 05m
2 stops
$2,775United Airlines
Sat, 19 Sep - Wed, 23 Sep
American Airlines Logo
15:00 - 12:55
BOS
-
CNS
31h 55m
2 stops
American Airlines Logo
15:45 - 08:35
CNS
-
BOS
30h 50m
2 stops
$2,782American Airlines
Fri, 26 Jun - Fri, 3 Jul

American Airlines flights from Boston to Cairns

Our best American Airlines deals on Boston to Cairns flight tickets
American Airlines
8 June
BOS16:29Boston Logan Intl
32h 31m
2 stops
CNS15:00Cairns
15 June
CNS15:45Cairns
28h 50m
2 stops
BOS06:35Boston Logan Intl
$1,735
American Airlines
1 July
BOS15:00Boston Logan Intl
31h 55m
2 stops
CNS12:55Cairns
11 July
CNS15:45Cairns
30h 50m
2 stops
BOS08:35Boston Logan Intl
$2,470
American Airlines
26 June
BOS15:00Boston Logan Intl
31h 55m
2 stops
CNS12:55Cairns
3 July
CNS15:45Cairns
30h 50m
2 stops
BOS08:35Boston Logan Intl
$2,782

Qantas Airways flights from Boston to Cairns

Our best Qantas Airways deals on Boston to Cairns flight tickets
Qantas Airways
1 July
BOS15:00Boston Logan Intl
36h 35m
2 stops
CNS17:35Cairns
11 July
CNS18:20Cairns
40h 31m
2 stops
BOS20:51Boston Logan Intl
$2,848
Qantas Airways
7 Sept
BOS11:53Boston Logan Intl
35h 47m
3 stops
CNS13:40Cairns
17 Sept
CNS06:50Cairns
51h 41m
2 stops
BOS20:31Boston Logan Intl
$2,883
Qantas Airways
7 Sept
BOS11:53Boston Logan Intl
35h 47m
3 stops
CNS13:40Cairns
17 Sept
CNS15:35Cairns
45h 15m
3 stops
BOS22:50Boston Logan Intl
$3,177

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 13 May 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 8/6

16:29-15:00

2 stops32h 31m

Cairns

Mon 15/6

15:45-06:35

2 stops28h 50m

$1,735

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 20/7

18:27-13:00

2 stops28h 33m

Cairns

Sun 2/8

19:10-17:21

2 stops36h 11m

$1,856

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 8/6

16:29-11:15

2 stops28h 46m

Cairns

Mon 15/6

11:20-15:39

3 stops42h 19m

$2,169

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 10/6

15:00-15:00

2 stops34h 00m

Cairns

Wed 17/6

12:00-20:38

3 stops46h 38m

$2,181

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 10/6

18:55-15:55

3 stops55h 00m

Cairns

Wed 17/6

06:00-22:39

3 stops30h 39m

$2,226

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

22:00-09:50

2 stops45h 50m

Cairns

Thu 17/9

19:15-15:15

2 stops58h 00m

$2,304

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 1/7

15:00-12:55

2 stops31h 55m

Cairns

Sat 11/7

15:45-08:35

2 stops30h 50m

$2,470

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Tue 1/9

15:00-22:25

2 stops41h 25m

Cairns

Sun 6/9

06:50-19:42

2 stops26h 52m

$2,750

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 19/9

11:35-20:20

2 stops42h 45m

Cairns

Wed 23/9

06:00-17:05

2 stops25h 05m

$2,775

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 26/6

15:00-12:55

2 stops31h 55m

Cairns

Fri 3/7

15:45-08:35

2 stops30h 50m

$2,782

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 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 and American Airlines are the most popular carriers 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

36h 35m

Direct flights

None
The fastest flight from Boston to Cairns takes 36h 35m
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 36h 35m, 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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