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.

$2,172 Cheap Flights from Boston to Cairns in 2026

1 adult

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Find the cheapest flights from Boston to Cairns

Round-trip

One-way

Cheap return flights

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10:48 - 10:45

BOS

CNS

32h 57m

2 stops

14:50 - 23:59

CNS

BOS

48h 09m

2 stops

$2,172Qantas Airways

Wed, 18 Feb - Fri, 27 Feb

08:26 - 14:05

BOS

CNS

38h 39m

2 stops

14:50 - 22:12

CNS

BOS

46h 22m

2 stops

$2,260Qantas Airways

Wed, 18 Feb - Fri, 27 Feb

22:00 - 23:20

BOS

CNS

35h 20m

2 stops

09:20 - 15:05

CNS

BOS

43h 45m

2 stops

$2,266Qatar Airways

Sat, 18 Apr - Fri, 24 Apr

10:48 - 10:45

BOS

CNS

32h 57m

2 stops

06:00 - 22:12

CNS

BOS

31h 12m

3 stops

$2,366Qantas Airways

Wed, 18 Feb - Fri, 27 Feb

10:45 - 13:40

BOS

CNS

36h 55m

3 stops

19:15 - 23:00

CNS

BOS

41h 45m

2 stops

$2,421Multiple Airlines

Sat, 18 Apr - Fri, 24 Apr

10:10 - 10:45

BOS

CNS

33h 35m

2 stops

06:00 - 06:14

CNS

BOS

39h 14m

2 stops

$2,442Qantas Airways

Sat, 28 Feb - Wed, 4 Mar

10:48 - 11:00

BOS

CNS

33h 12m

2 stops

06:00 - 22:12

CNS

BOS

31h 12m

3 stops

$2,471Qantas Airways

Wed, 18 Feb - Fri, 27 Feb

09:00 - 20:20

BOS

CNS

45h 20m

2 stops

06:00 - 23:54

CNS

BOS

31h 54m

3 stops

$2,609United Airlines

Tue, 7 Jul - Tue, 21 Jul

08:00 - 14:00

BOS

CNS

39h 00m

2 stops

06:00 - 19:56

CNS

BOS

28h 56m

2 stops

$2,612United Airlines

Sat, 28 Feb - Wed, 4 Mar

05:35 - 14:55

BOS

CNS

42h 20m

3 stops

06:00 - 23:57

CNS

BOS

32h 57m

3 stops

$2,617United Airlines

Wed, 18 Feb - Fri, 27 Feb

Qantas Airways flights from Boston to Cairns

Our best Qantas Airways deals on Boston to Cairns flight tickets

Qantas Airways

18 Feb

BOS10:48Boston Logan Intl

32h 57m

2 stops

CNS10:45Cairns

27 Feb

CNS14:50Cairns

48h 09m

2 stops

BOS23:59Boston Logan Intl

$2,172

Qantas Airways

18 Feb

BOS08:26Boston Logan Intl

38h 39m

2 stops

CNS14:05Cairns

27 Feb

CNS14:50Cairns

46h 22m

2 stops

BOS22:12Boston Logan Intl

$2,260

Qantas Airways

18 Feb

BOS10:48Boston Logan Intl

32h 57m

2 stops

CNS10:45Cairns

27 Feb

CNS06:00Cairns

31h 12m

3 stops

BOS22:12Boston Logan Intl

$2,366

United Airlines flights from Boston to Cairns

Our best United Airlines deals on Boston to Cairns flight tickets

United Airlines

7 July

BOS09:00Boston Logan Intl

45h 20m

2 stops

CNS20:20Cairns

21 July

CNS06:00Cairns

25h 04m

2 stops

BOS17:04Boston Logan Intl

$2,609

United Airlines

28 Feb

BOS08:00Boston Logan Intl

39h 00m

2 stops

CNS14:00Cairns

4 Mar

CNS06:00Cairns

28h 56m

2 stops

BOS19:56Boston Logan Intl

$2,612

United Airlines

18 Feb

BOS05:35Boston Logan Intl

42h 20m

3 stops

CNS14:55Cairns

27 Feb

CNS06:00Cairns

32h 57m

3 stops

BOS23:57Boston Logan Intl

$2,617

Fly from

Fly to

Route

Depart

Return

Price

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 18/2

10:48-10:45

2 stops32h 57m

Cairns

Fri 27/2

14:50-23:59

2 stops48h 09m

$2,172

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 18/2

08:26-14:05

2 stops38h 39m

Cairns

Fri 27/2

14:50-22:12

2 stops46h 22m

$2,260

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 18/4

22:00-23:20

2 stops35h 20m

Cairns

Fri 24/4

09:20-15:05

2 stops43h 45m

$2,266

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 18/2

10:48-10:45

2 stops32h 57m

Cairns

Fri 27/2

06:00-22:12

3 stops31h 12m

$2,366

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 18/4

10:45-13:40

3 stops36h 55m

Cairns

Fri 24/4

19:15-23:00

2 stops41h 45m

$2,421

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 28/2

10:10-10:45

2 stops33h 35m

Cairns

Wed 4/3

06:00-06:14

2 stops39h 14m

$2,442

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 18/2

10:48-11:00

2 stops33h 12m

Cairns

Fri 27/2

06:00-22:12

3 stops31h 12m

$2,471

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Tue 7/7

09:00-20:20

2 stops45h 20m

Cairns

Tue 21/7

06:00-23:54

3 stops31h 54m

$2,609

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 28/2

08:00-14:00

2 stops39h 00m

Cairns

Wed 4/3

06:00-19:56

2 stops28h 56m

$2,612

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 18/2

05:35-14:55

3 stops42h 20m

Cairns

Fri 27/2

06:00-23:57

3 stops32h 57m

$2,617

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	32h 57m
Direct flights	None

The fastest flight from Boston to Cairns takes 32h 57m

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 32h 57m, 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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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.