How do I get Price Alerts for flights from Boston to Cairns?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Boston from Cairns . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Boston to Cairns with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on 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 show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.

$1,877 Cheap Flights from Boston to Cairns in 2025/26

1 adult

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Find the cheapest flights from Boston to Cairns

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One-way

Last minute

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17:20 - 15:10

BOS

CNS

30h 50m2 stops

19:30 - 18:47

CNS

BOS

38h 17m2 stops

$1,877Multiple Airlines

Thu, 5 Feb - Mon, 16 Feb

20:40 - 08:30

BOS

CNS

44h 50m3 stops

15:45 - 14:20

CNS

BOS

61h 35m2 stops

$2,354Multiple Airlines

Thu, 5 Feb - Mon, 16 Feb

08:00 - 11:50

BOS

CNS

36h 50m2 stops

06:00 - 06:25

CNS

BOS

39h 25m2 stops

$2,376Qantas Airways

Sun, 1 Feb - Wed, 4 Feb

13:00 - 17:30

BOS

CNS

37h 30m3 stops

18:05 - 22:37

CNS

BOS

43h 32m3 stops

$2,420Multiple Airlines

Thu, 5 Feb - Mon, 16 Feb

16:19 - 21:00

BOS

CNS

37h 41m2 stops

09:20 - 06:25

CNS

BOS

36h 05m2 stops

$2,520Qantas Airways

Sun, 1 Feb - Wed, 4 Feb

05:45 - 14:55

BOS

CNS

42h 10m3 stops

06:00 - 19:51

CNS

BOS

28h 51m2 stops

$2,977United Airlines

Sun, 1 Feb - Wed, 4 Feb

22:10 - 23:05

BOS

CNS

57h 55m2 stops

11:45 - 13:55

CNS

BOS

65h 10m2 stops

$3,029Emirates

Thu, 5 Feb - Mon, 16 Feb

17:57 - 10:15

BOS

CNS

49h 18m2 stops

06:00 - 23:57

CNS

BOS

32h 57m3 stops

$3,052United Airlines

Thu, 5 Feb - Mon, 16 Feb

12:16 - 11:50

BOS

CNS

32h 34m3 stops

09:20 - 06:25

CNS

BOS

36h 05m2 stops

$3,364Qantas Airways

Sun, 1 Feb - Wed, 4 Feb

00:30 - 09:55

BOS

CNS

42h 25m1 stop

17:35 - 22:00

CNS

BOS

43h 25m2 stops

$3,375Multiple Airlines

Wed, 4 Feb - Mon, 16 Feb

Qantas Airways flights from Boston to Cairns

Our best Qantas Airways deals on Boston to Cairns flight tickets

Qantas Airways

1 Feb

BOS08:00Boston Logan Intl

36h 50m

2 stops

CNS11:50Cairns

4 Feb

CNS06:00Cairns

39h 25m

2 stops

BOS06:25Boston Logan Intl

$2,376

Find similar

Qantas Airways

1 Feb

BOS16:19Boston Logan Intl

37h 41m

2 stops

CNS21:00Cairns

4 Feb

CNS09:20Cairns

36h 05m

2 stops

BOS06:25Boston Logan Intl

$2,520

Find similar

Qantas Airways

1 Feb

BOS12:16Boston Logan Intl

32h 34m

3 stops

CNS11:50Cairns

4 Feb

CNS09:20Cairns

36h 05m

2 stops

BOS06:25Boston Logan Intl

$3,364

Find similar

United Airlines flights from Boston to Cairns

Our best United Airlines deals on Boston to Cairns flight tickets

United Airlines

1 Feb

BOS05:45Boston Logan Intl

42h 10m

3 stops

CNS14:55Cairns

4 Feb

CNS06:00Cairns

28h 51m

2 stops

BOS19:51Boston Logan Intl

$2,977

Find similar

United Airlines

5 Feb

BOS05:45Boston Logan Intl

61h 30m

3 stops

CNS10:15Cairns

16 Feb

CNS06:00Cairns

32h 57m

3 stops

BOS23:57Boston Logan Intl

$3,052

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 5/2

17:20-15:10

2 stops30h 50m

Cairns

Mon 16/2

19:30-18:47

2 stops38h 17m

$1,877

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 5/2

20:40-08:30

3 stops44h 50m

Cairns

Mon 16/2

15:45-14:20

2 stops61h 35m

$2,354

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 1/2

08:00-11:50

2 stops36h 50m

Cairns

Wed 4/2

06:00-06:25

2 stops39h 25m

$2,376

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 5/2

13:00-17:30

3 stops37h 30m

Cairns

Mon 16/2

18:05-22:37

3 stops43h 32m

$2,420

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 1/2

16:19-21:00

2 stops37h 41m

Cairns

Wed 4/2

09:20-06:25

2 stops36h 05m

$2,520

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 1/2

05:45-14:55

3 stops42h 10m

Cairns

Wed 4/2

06:00-19:51

2 stops28h 51m

$2,977

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 5/2

22:10-23:05

2 stops57h 55m

Cairns

Mon 16/2

11:45-13:55

2 stops65h 10m

$3,029

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 5/2

17:57-10:15

2 stops49h 18m

Cairns

Mon 16/2

06:00-23:57

3 stops32h 57m

$3,052

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 1/2

12:16-11:50

3 stops32h 34m

Cairns

Wed 4/2

09:20-06:25

2 stops36h 05m

$3,364

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 4/2

00:30-09:55

1 stop42h 25m

Cairns

Mon 16/2

17:35-22:00

2 stops43h 25m

$3,375

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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	30h 37m
Direct flights	None

The fastest flight from Boston to Cairns takes 30h 37m

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 30h 37m, 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.

How do I get Price Alerts for flights from Boston to Cairns?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Boston from Cairns. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Boston to Cairns with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on 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 show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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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.