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.

$2,515 Cheap Flights from Boston to Cairns (BOS-CNS) in 2025

1 adult

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Find the cheapest flights from Boston to Cairns (BOS-CNS)

Round-trip

One-way

Cheap return flights

00:30 - 10:30BOS-CNS

43h 00m1 stop

12:00 - 22:00CNS-BOS

25h 00m1 stop

$2,515Cathay Pacific

Find Deal

Sat, 7 Feb - Thu, 12 Feb

00:30 - 10:30BOS-CNS

43h 00m1 stop

12:00 - 22:00CNS-BOS

25h 00m1 stop

$2,517Cathay Pacific

Find Deal

Sat, 7 Feb - Thu, 12 Feb

21:05 - 23:05BOS-CNS

35h 00m2 stops

17:20 - 14:20CNS-BOS

60h 00m2 stops

$2,700Qatar Airways

Find Deal

Sun, 8 Feb - Thu, 12 Feb

21:05 - 23:05BOS-CNS

35h 00m2 stops

17:20 - 14:20CNS-BOS

36h 00m2 stops

$2,701Qatar Airways

Find Deal

Sun, 8 Feb - Thu, 12 Feb

09:45 - 10:30BOS-CNS

33h 45m2 stops

12:00 - 22:00CNS-BOS

25h 00m1 stop

$3,283Cathay Pacific

Find Deal

Sun, 8 Feb - Thu, 12 Feb

10:56 - 14:00BOS-CNS

36h 04m2 stops

06:00 - 23:54CNS-BOS

32h 54m3 stops

$3,288United Airlines

Find Deal

Sun, 8 Feb - Thu, 12 Feb

10:56 - 14:00BOS-CNS

36h 04m2 stops

06:00 - 23:54CNS-BOS

32h 54m3 stops

$3,289United Airlines

Find Deal

Sun, 8 Feb - Thu, 12 Feb

13:06 - 17:30BOS-CNS

37h 24m3 stops

17:35 - 14:41CNS-BOS

36h 06m2 stops

$4,561Qantas Airways

Find Deal

Sun, 8 Feb - Thu, 12 Feb

Cathay Pacific flights from Boston to Cairns

Our best Cathay Pacific deals on Boston to Cairns flight tickets

Cathay Pacific

7 Feb

BOS00:30Boston Logan Intl

43h 00m

1 stop

CNS10:30Cairns

12 Feb

CNS12:00Cairns

25h 00m

1 stop

BOS22:00Boston Logan Intl

$2,515

Find similar

Cathay Pacific

7 Feb

BOS00:30Boston Logan Intl

43h 00m

1 stop

CNS10:30Cairns

12 Feb

CNS12:00Cairns

25h 00m

1 stop

BOS22:00Boston Logan Intl

$2,517

Find similar

Cathay Pacific

8 Feb

BOS09:45Boston Logan Intl

33h 45m

2 stops

CNS10:30Cairns

12 Feb

CNS12:00Cairns

25h 00m

1 stop

BOS22:00Boston Logan Intl

$3,283

Find similar

Qatar Airways flights from Boston to Cairns

Our best Qatar Airways deals on Boston to Cairns flight tickets

Qatar Airways

8 Feb

BOS21:05Boston Logan Intl

35h 00m

2 stops

CNS23:05Cairns

12 Feb

CNS17:20Cairns

60h 00m

2 stops

BOS14:20Boston Logan Intl

$2,700

Find similar

Qatar Airways

8 Feb

BOS21:05Boston Logan Intl

35h 00m

2 stops

CNS23:05Cairns

12 Feb

CNS17:20Cairns

36h 00m

2 stops

BOS14:20Boston Logan Intl

$2,701

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 7/2

00:30-10:30

1 stop43h 00m

Cairns

Thu 12/2

12:00-22:00

1 stop25h 00m

$2,515

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 7/2

00:30-10:30

1 stop43h 00m

Cairns

Thu 12/2

12:00-22:00

1 stop25h 00m

$2,517

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 8/2

21:05-23:05

2 stops35h 00m

Cairns

Thu 12/2

17:20-14:20

2 stops60h 00m

$2,700

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 8/2

21:05-23:05

2 stops35h 00m

Cairns

Thu 12/2

17:20-14:20

2 stops36h 00m

$2,701

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 8/2

09:45-10:30

2 stops33h 45m

Cairns

Thu 12/2

12:00-22:00

1 stop25h 00m

$3,283

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 8/2

10:56-14:00

2 stops36h 04m

Cairns

Thu 12/2

06:00-23:54

3 stops32h 54m

$3,288

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 8/2

10:56-14:00

2 stops36h 04m

Cairns

Thu 12/2

06:00-23:54

3 stops32h 54m

$3,289

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 8/2

13:06-17:30

3 stops37h 24m

Cairns

Thu 12/2

17:35-14:41

2 stops36h 06m

$4,561

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

Direct flights	None

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 33h 45m, 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.

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.