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.

$1,424 Cheap Flights from Boston to Cairns in 2026

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Find the cheapest flights from Boston to Cairns

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10:48 am - 10:45 am

BOS

CNS

32h 57m

2 stops

2:50 pm - 11:59 pm

CNS

BOS

48h 09m

2 stops

$1,467Qantas Airways

Wed, Feb 18 - Fri, Feb 27

10:48 am - 10:45 am

BOS

CNS

32h 57m

2 stops

6:00 am - 10:12 pm

CNS

BOS

31h 12m

3 stops

$1,598Qantas Airways

Wed, Feb 18 - Fri, Feb 27

8:23 am - 10:45 am

BOS

CNS

35h 22m

2 stops

11:45 am - 6:14 am

CNS

BOS

33h 29m

2 stops

$1,649Qantas Airways

Sat, Feb 28 - Wed, Mar 4

9:00 am - 8:20 pm

BOS

CNS

45h 20m

2 stops

6:00 am - 11:54 pm

CNS

BOS

31h 54m

3 stops

$1,762United Airlines

Tue, Jul 7 - Tue, Jul 21

8:00 am - 2:00 pm

BOS

CNS

39h 00m

2 stops

6:00 am - 7:56 pm

CNS

BOS

28h 56m

2 stops

$1,764United Airlines

Sat, Feb 28 - Wed, Mar 4

5:35 am - 2:55 pm

BOS

CNS

42h 20m

3 stops

6:00 am - 11:57 pm

CNS

BOS

32h 57m

3 stops

$1,767United Airlines

Wed, Feb 18 - Fri, Feb 27

10:40 am - 11:10 am

BOS

CNS

34h 30m

3 stops

6:00 am - 9:27 pm

CNS

BOS

29h 27m

3 stops

$2,264Multiple Airlines

Tue, Jul 7 - Tue, Jul 21

1:35 pm - 4:30 am

BOS

CNS

24h 55m

1 stop

5:40 pm - 11:00 pm

CNS

BOS

43h 20m

2 stops

$2,416Multiple Airlines

Tue, Jul 7 - Tue, Jul 21

11:45 am - 4:15 pm

BOS

CNS

37h 30m

3 stops

11:45 am - 6:14 am

CNS

BOS

33h 29m

2 stops

$2,654Qantas Airways

Sat, Feb 28 - Wed, Mar 4

11:45 am - 11:50 am

BOS

CNS

33h 05m

3 stops

5:35 pm - 5:14 pm

CNS

BOS

38h 39m

2 stops

$2,680Qantas Airways

Sat, Feb 28 - Wed, Mar 4

United Airlines flights from Boston to Cairns

Our best United Airlines deals on Boston to Cairns flight tickets

United Airlines

Jul 7

BOS9:00 amBoston Logan Intl

45h 20m

2 stops

CNS8:20 pmCairns

Jul 21

CNS6:00 amCairns

31h 54m

3 stops

BOS11:54 pmBoston Logan Intl

$1,762

United Airlines

Feb 28

BOS8:00 amBoston Logan Intl

39h 00m

2 stops

CNS2:00 pmCairns

Mar 4

CNS6:00 amCairns

28h 56m

2 stops

BOS7:56 pmBoston Logan Intl

$1,764

United Airlines

Feb 18

BOS5:35 amBoston Logan Intl

42h 20m

3 stops

CNS2:55 pmCairns

Feb 27

CNS6:00 amCairns

32h 57m

3 stops

BOS11:57 pmBoston Logan Intl

$1,767

Qantas Airways flights from Boston to Cairns

Our best Qantas Airways deals on Boston to Cairns flight tickets

Qantas Airways

Feb 18

BOS10:48 amBoston Logan Intl

32h 57m

2 stops

CNS10:45 amCairns

Feb 27

CNS2:50 pmCairns

48h 09m

2 stops

BOS11:59 pmBoston Logan Intl

$1,467

Qantas Airways

Feb 18

BOS10:48 amBoston Logan Intl

32h 57m

2 stops

CNS10:45 amCairns

Feb 27

CNS6:00 amCairns

31h 12m

3 stops

BOS10:12 pmBoston Logan Intl

$1,598

Qantas Airways

Feb 28

BOS10:10 amBoston Logan Intl

33h 35m

2 stops

CNS10:45 amCairns

Mar 4

CNS6:00 amCairns

39h 14m

2 stops

BOS6:14 amBoston Logan Intl

$1,649

Fly from

Fly to

Route

Depart

Return

Price

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 2/18

10:48 am-10:45 am

2 stops32h 57m

Cairns

Fri 2/27

2:50 pm-11:59 pm

2 stops48h 09m

$1,467

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 2/18

10:48 am-10:45 am

2 stops32h 57m

Cairns

Fri 2/27

6:00 am-10:12 pm

3 stops31h 12m

$1,598

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 2/28

8:23 am-10:45 am

2 stops35h 22m

Cairns

Wed 3/4

11:45 am-6:14 am

2 stops33h 29m

$1,649

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Tue 7/7

9:00 am-8:20 pm

2 stops45h 20m

Cairns

Tue 7/21

6:00 am-11:54 pm

3 stops31h 54m

$1,762

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 2/28

8:00 am-2:00 pm

2 stops39h 00m

Cairns

Wed 3/4

6:00 am-7:56 pm

2 stops28h 56m

$1,764

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 2/18

5:35 am-2:55 pm

3 stops42h 20m

Cairns

Fri 2/27

6:00 am-11:57 pm

3 stops32h 57m

$1,767

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Tue 7/7

10:40 am-11:10 am

3 stops34h 30m

Cairns

Tue 7/21

6:00 am-9:27 pm

3 stops29h 27m

$2,264

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Tue 7/7

1:35 pm-4:30 am

1 stop24h 55m

Cairns

Tue 7/21

5:40 pm-11:00 pm

2 stops43h 20m

$2,416

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 2/28

11:45 am-4:15 pm

3 stops37h 30m

Cairns

Wed 3/4

11:45 am-6:14 am

2 stops33h 29m

$2,654

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 2/28

11:45 am-11:50 am

3 stops33h 05m

Cairns

Wed 3/4

5:35 pm-5:14 pm

2 stops38h 39m

$2,680

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

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

Qantas Airways is the most popular carrier operating from Boston Logan Intl to Cairns

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

Fastest flight time	31h 48m
Direct flights	None

The fastest flight from Boston to Cairns takes 31h 48m

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?
There are 9641.2 mi between Boston Logan Intl and Cairns. 31h 48m 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.

Port Douglas

Mission Beach

Palm Cove

Trinity Beach

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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.

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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.