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Cheap flights from Boston to Cairns from $1,172

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Cairns

Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
09:05 - 22:50BOS  Boston Logan Intl-CNS Cairns
47h 45m2 stops Los Angeles Brisbane
Qantas Airways Logo
09:25 - 22:16CNS  Cairns-BOS Boston Logan Intl
26h 51m2 stops Brisbane Los Angeles
$2,657Qantas Airways
Sun, 9 May - Wed, 12 May
Multiple Airlines Logo
13:50 - 16:40BOS  Boston Logan Intl-CNS Cairns
35h 50m2 stops San Francisco Brisbane
Multiple Airlines Logo
23:55 - 21:29CNS  Cairns-BOS Boston Logan Intl
36h 34m2 stops Melbourne San Francisco
$2,782Multiple Airlines
Thu, 10 Dec - Wed, 23 Dec
Qantas Airways Logo
21:25 - 11:50BOS  Boston Logan Intl-CNS Cairns
48h 25m2 stops Los Angeles Melbourne
Qantas Airways Logo
13:55 - 22:16CNS  Cairns-BOS Boston Logan Intl
46h 21m2 stops Brisbane Los Angeles
$2,836Qantas Airways
Sun, 9 May - Wed, 12 May
Qantas Airways Logo
09:05 - 11:50BOS  Boston Logan Intl-CNS Cairns
36h 45m2 stops Los Angeles Melbourne
Qantas Airways Logo
17:45 - 20:35CNS  Cairns-BOS Boston Logan Intl
40h 50m2 stops Brisbane Los Angeles
$2,837Qantas Airways
Sun, 9 May - Wed, 12 May
United Airlines Logo
13:30 - 11:15BOS  Boston Logan Intl-CNS Cairns
31h 45m3 stops Newark San Francisco Brisbane
United Airlines Logo
06:00 - 21:42CNS  Cairns-BOS Boston Logan Intl
29h 42m2 stops Brisbane San Francisco
$3,047United Airlines
Sun, 9 May - Wed, 12 May
United Airlines Logo
18:00 - 11:15BOS  Boston Logan Intl-CNS Cairns
27h 15m2 stops San Francisco Brisbane
United Airlines Logo
06:00 - 23:54CNS  Cairns-BOS Boston Logan Intl
31h 54m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl
$3,048United Airlines
Sun, 9 May - Wed, 12 May
Multiple Airlines Logo
14:20 - 13:35BOS  Boston Logan Intl-CNS Cairns
32h 15m2 stops Los Angeles Sydney Kingsford Smith
Multiple Airlines Logo
18:05 - 20:07CNS  Cairns-BOS Boston Logan Intl
41h 02m2 stops Sydney Kingsford Smith Dallas/Fort Worth
$3,179Multiple Airlines
Tue, 5 Jan - Tue, 12 Jan
Multiple Airlines Logo
09:15 - 14:55BOS  Boston Logan Intl-CNS Cairns
38h 40m2 stops San Francisco Sydney Kingsford Smith
Multiple Airlines Logo
06:00 - 23:59CNS  Cairns-BOS Boston Logan Intl
32h 59m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl
$3,441Multiple Airlines
Tue, 5 Jan - Tue, 12 Jan
Singapore Airlines Logo
15:55 - 17:05BOS  Boston Logan Intl-CNS Cairns
35h 10m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi
Singapore Airlines Logo
18:00 - 16:54CNS  Cairns-BOS Boston Logan Intl
36h 54m3 stops Singapore Changi Frankfurt am Main New York John F Kennedy Intl
$3,489Singapore Airlines
Sun, 9 May - Wed, 12 May
Air New Zealand Logo
15:13 - 16:50BOS  Boston Logan Intl-CNS Cairns
34h 37m3 stops Houston George Bush Intcntl Auckland Intl Brisbane
Air New Zealand Logo
17:40 - 21:05CNS  Cairns-BOS Boston Logan Intl
42h 25m3 stops Brisbane Auckland Intl Houston George Bush Intcntl
$4,054Air New Zealand
Thu, 10 Dec - Wed, 23 Dec

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Cheapest return flight

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Sun 9/5

09:05-22:50

2 stops47h 45m

Cairns

Wed 12/5

09:25-22:16

2 stops26h 51m

$2,657

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Thu 10/12

13:50-16:40

2 stops35h 50m

Cairns

Wed 23/12

23:55-21:29

2 stops36h 34m

$2,782

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Sun 9/5

21:25-11:50

2 stops48h 25m

Cairns

Wed 12/5

13:55-22:16

2 stops46h 21m

$2,836

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Sun 9/5

09:05-11:50

2 stops36h 45m

Cairns

Wed 12/5

17:45-20:35

2 stops40h 50m

$2,837

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Sun 9/5

13:30-11:15

3 stops31h 45m

Cairns

Wed 12/5

06:00-21:42

2 stops29h 42m

$3,047
Fastest return journey

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Sun 9/5

18:00-11:15

2 stops27h 15m

Cairns

Wed 12/5

06:00-23:54

3 stops31h 54m

$3,048

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Tue 5/1

14:20-13:35

2 stops32h 15m

Cairns

Tue 12/1

18:05-20:07

2 stops41h 02m

$3,179

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Tue 5/1

09:15-14:55

2 stops38h 40m

Cairns

Tue 12/1

06:00-23:59

3 stops32h 59m

$3,441

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Sun 9/5

15:55-17:05

3 stops35h 10m

Cairns

Wed 12/5

18:00-16:54

3 stops36h 54m

$3,489

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Thu 10/12

15:13-16:50

3 stops34h 37m

Cairns

Wed 23/12

17:40-21:05

3 stops42h 25m

$4,054

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

American Airlines and Qantas Airways 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

Best price found

$1,172

Fastest flight time

32h 15m

Direct flights

None
The best one-way flight to Cairns from Boston in the past 72 hours is $1,172. The best return flight deal from Boston to Cairns found on momondo in the last 72 hours is $2,657.
The fastest flight from Boston to Cairns takes 32h 15m
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 32h 15m, 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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