What is the cheapest airline that flies from Boston Logan Intl to Cairns?

Fiji Airways and Japan Airlines are the most popular carriers operating from Boston Logan Intl to Cairns

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 refreshed on a daily basis.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Cairns Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$662 Cheap Flights from Boston to Cairns in 2025/26

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Find the cheapest flights from Boston to Cairns

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Cheap round-trip flights

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4:19 pm - 4:50 pmBOS-CNS

33h 31m2 stops

5:35 pm - 3:07 pmCNS-BOS

36h 32m2 stops

$1,584Qantas Airways

Find Deal

Sun, Feb 8 - Thu, Feb 12

1:50 pm - 2:00 pmBOS-CNS

33h 10m2 stops

6:00 am - 11:57 pmCNS-BOS

32h 57m3 stops

$1,739United Airlines

Find Deal

Sun, Feb 8 - Thu, Feb 12

8:40 pm - 11:05 pmBOS-CNS

35h 25m2 stops

3:45 pm - 2:20 pmCNS-BOS

61h 35m2 stops

$1,953Qatar Airways

Find Deal

Sun, Feb 8 - Thu, Feb 12

12:30 am - 9:55 amBOS-CNS

42h 25m1 stop

11:25 am - 10:00 pmCNS-BOS

25h 35m1 stop

$2,152Cathay Pacific

Find Deal

Sat, Feb 7 - Thu, Feb 12

12:30 am - 9:55 amBOS-CNS

42h 25m1 stop

11:25 am - 10:00 pmCNS-BOS

25h 35m1 stop

$2,153Cathay Pacific

Find Deal

Sat, Feb 7 - Thu, Feb 12

9:51 am - 9:55 amBOS-CNS

33h 04m2 stops

11:25 am - 10:00 pmCNS-BOS

25h 35m1 stop

$2,176Cathay Pacific

Find Deal

Sun, Feb 8 - Thu, Feb 12

5:57 pm - 2:00 pmBOS-CNS

29h 03m2 stops

6:00 am - 11:57 pmCNS-BOS

32h 57m3 stops

$2,688United Airlines

Find Deal

Sun, Feb 8 - Thu, Feb 12

12:16 pm - 11:50 amBOS-CNS

32h 34m3 stops

3:35 pm - 6:07 amCNS-BOS

29h 32m2 stops

$3,262American Airlines

Find Deal

Sun, Feb 8 - Thu, Feb 12

United Airlines flights from Boston to Cairns

Our best United Airlines deals on Boston to Cairns flight tickets

United Airlines

Feb 8

BOS1:50 pmBoston Logan Intl

33h 10m

2 stops

CNS2:00 pmCairns

Feb 12

CNS6:00 amCairns

32h 57m

3 stops

BOS11:57 pmBoston Logan Intl

$1,739

Find similar

United Airlines

Feb 8

BOS5:57 pmBoston Logan Intl

29h 03m

2 stops

CNS2:00 pmCairns

Feb 12

CNS6:00 amCairns

32h 57m

3 stops

BOS11:57 pmBoston Logan Intl

$2,688

Find similar

Cathay Pacific flights from Boston to Cairns

Our best Cathay Pacific deals on Boston to Cairns flight tickets

Cathay Pacific

Feb 7

BOS12:30 amBoston Logan Intl

42h 25m

1 stop

CNS9:55 amCairns

Feb 12

CNS11:25 amCairns

25h 35m

1 stop

BOS10:00 pmBoston Logan Intl

$2,152

Find similar

Cathay Pacific

Feb 7

BOS12:30 amBoston Logan Intl

42h 25m

1 stop

CNS9:55 amCairns

Feb 12

CNS11:25 amCairns

25h 35m

1 stop

BOS10:00 pmBoston Logan Intl

$2,153

Find similar

Cathay Pacific

Feb 8

BOS9:51 amBoston Logan Intl

33h 04m

2 stops

CNS9:55 amCairns

Feb 12

CNS11:25 amCairns

25h 35m

1 stop

BOS10:00 pmBoston Logan Intl

$2,176

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 2/8

4:19 pm-4:50 pm

2 stops33h 31m

Cairns

Thu 2/12

5:35 pm-3:07 pm

2 stops36h 32m

$1,584

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 2/8

1:50 pm-2:00 pm

2 stops33h 10m

Cairns

Thu 2/12

6:00 am-11:57 pm

3 stops32h 57m

$1,739

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 2/8

8:40 pm-11:05 pm

2 stops35h 25m

Cairns

Thu 2/12

3:45 pm-2:20 pm

2 stops61h 35m

$1,953

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 2/7

12:30 am-9:55 am

1 stop42h 25m

Cairns

Thu 2/12

11:25 am-10:00 pm

1 stop25h 35m

$2,152

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 2/7

12:30 am-9:55 am

1 stop42h 25m

Cairns

Thu 2/12

11:25 am-10:00 pm

1 stop25h 35m

$2,153

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 2/8

9:51 am-9:55 am

2 stops33h 04m

Cairns

Thu 2/12

11:25 am-10:00 pm

1 stop25h 35m

$2,176

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 2/8

5:57 pm-2:00 pm

2 stops29h 03m

Cairns

Thu 2/12

6:00 am-11:57 pm

3 stops32h 57m

$2,688

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 2/8

12:16 pm-11:50 am

3 stops32h 34m

Cairns

Thu 2/12

3:35 pm-6:07 am

2 stops29h 32m

$3,262

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 1/24

1:48 pm-11:35 am

2 stops30h 47m

$662

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 1/24

3:40 pm-5:45 am

3 stops47h 05m

$864

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Cairns?

Our data shows that Wednesday is the least expensive day to fly to Cairns. Tickets to fly out on this day can be as low as $1,714. The most expensive day to fly to Cairns is Tuesday, with ticket prices averaging around $1,843.

What is the cheapest time of day to depart on your flight to Cairns?

Our data shows that the cheapest Boston to Cairns flights are usually those with departure times in the afternoon. Our users have found flights to Cairns in the afternoon for as low as $1,822. At noon is when there is more demand to fly to Cairns, so prices are often more expensive at around $2,361 per ticket.

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 round-trip 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.

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How far is Boston Logan Intl to Cairns by plane?
There are 9641.2 mi between Boston Logan Intl and Cairns. 29h 03m is a normal flight duration for this route.
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 refreshed on a daily basis.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Cairns Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Trinity Beach

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Cairns?

It is quick and easy to find Boston to Cairns flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cairns that suits you.

Can I find flights from Boston to Cairns with flexible booking policies on momondo?

momondo does allow users to show only those flights to Cairns from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Cairns?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Cairns.

I’m not ready to book a flight from Boston to Cairns right now. Can momondo alert me if prices change?

Price alerts on flights to Cairns from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.