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.

$2,352 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

Enter your travel dates to find the best prices.

16:04 - 23:05

BOS

CNS

40h 01m

2 stops

11:45 - 17:14

CNS

BOS

44h 29m

2 stops

$2,352Qantas Airways

Sat, 28 Feb - Wed, 4 Mar

11:45 - 16:15

BOS

CNS

37h 30m

3 stops

15:35 - 15:13

CNS

BOS

38h 38m

2 stops

$3,809Qantas Airways

Sat, 28 Feb - Wed, 4 Mar

11:45 - 11:50

BOS

CNS

33h 05m

3 stops

15:35 - 15:13

CNS

BOS

38h 38m

2 stops

$3,810Qantas Airways

Sat, 28 Feb - Wed, 4 Mar

00:30 - 16:50

BOS

CNS

49h 20m

2 stops

11:25 - 22:00

CNS

BOS

25h 35m

1 stop

$15,833Cathay Pacific

Thu, 12 Feb - Sat, 21 Feb

19:30 - 18:45

BOS

CNS

56h 15m

2 stops

15:35 - 15:13

CNS

BOS

38h 38m

2 stops

$16,174Qantas Airways

Fri, 13 Feb - Sat, 21 Feb

19:30 - 22:05

BOS

CNS

59h 35m

2 stops

11:45 - 15:13

CNS

BOS

42h 28m

2 stops

$16,175Qantas Airways

Fri, 13 Feb - Sat, 21 Feb

19:30 - 16:15

BOS

CNS

53h 45m

2 stops

06:00 - 23:59

CNS

BOS

32h 59m

3 stops

$17,397Qantas Airways

Fri, 13 Feb - Sat, 21 Feb

19:30 - 11:50

BOS

CNS

49h 20m

2 stops

06:00 - 23:59

CNS

BOS

32h 59m

3 stops

$18,854Qantas Airways

Fri, 13 Feb - Sat, 21 Feb

11:55 - 17:30

BOS

CNS

38h 35m

3 stops

17:00 - 21:48

CNS

BOS

43h 48m

3 stops

$32,552Qantas Airways

Fri, 13 Feb - Sat, 21 Feb

06:15 - 17:30

BOS

CNS

44h 15m

3 stops

18:05 - 10:02

CNS

BOS

54h 57m

3 stops

$33,727Multiple Airlines

Fri, 13 Feb - Sat, 21 Feb

Qantas Airways flights from Boston to Cairns

Our best Qantas Airways deals on Boston to Cairns flight tickets

Qantas Airways

28 Feb

BOS16:04Boston Logan Intl

40h 01m

2 stops

CNS23:05Cairns

4 Mar

CNS11:45Cairns

44h 29m

2 stops

BOS17:14Boston Logan Intl

$2,352

Qantas Airways

28 Feb

BOS11:45Boston Logan Intl

37h 30m

3 stops

CNS16:15Cairns

4 Mar

CNS15:35Cairns

38h 38m

2 stops

BOS15:13Boston Logan Intl

$3,809

Qantas Airways

28 Feb

BOS11:45Boston Logan Intl

33h 05m

3 stops

CNS11:50Cairns

4 Mar

CNS15:35Cairns

38h 38m

2 stops

BOS15:13Boston Logan Intl

$3,810

Fly from

Fly to

Route

Depart

Return

Price

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 28/2

16:04-23:05

2 stops40h 01m

Cairns

Wed 4/3

11:45-17:14

2 stops44h 29m

$2,352

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 28/2

11:45-16:15

3 stops37h 30m

Cairns

Wed 4/3

15:35-15:13

2 stops38h 38m

$3,809

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 28/2

11:45-11:50

3 stops33h 05m

Cairns

Wed 4/3

15:35-15:13

2 stops38h 38m

$3,810

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 12/2

00:30-16:50

2 stops49h 20m

Cairns

Sat 21/2

11:25-22:00

1 stop25h 35m

$15,833

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 13/2

19:30-18:45

2 stops56h 15m

Cairns

Sat 21/2

15:35-15:13

2 stops38h 38m

$16,174

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 13/2

19:30-22:05

2 stops59h 35m

Cairns

Sat 21/2

11:45-15:13

2 stops42h 28m

$16,175

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 13/2

19:30-16:15

2 stops53h 45m

Cairns

Sat 21/2

06:00-23:59

3 stops32h 59m

$17,397

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 13/2

19:30-11:50

2 stops49h 20m

Cairns

Sat 21/2

06:00-23:59

3 stops32h 59m

$18,854

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 13/2

11:55-17:30

3 stops38h 35m

Cairns

Sat 21/2

17:00-21:48

3 stops43h 48m

$32,552

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 13/2

06:15-17:30

3 stops44h 15m

Cairns

Sat 21/2

18:05-10:02

3 stops54h 57m

$33,727

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	40h 01m
Direct flights	None

The fastest flight from Boston to Cairns takes 40h 01m

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 40h 01m, 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.