Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Boston to Cairns from $1,072

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Cairns departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Cairns

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
16:59 - 12:55
BOS
-
CNS
29h 56m
2 stops
American Airlines Logo
13:55 - 08:13
CNS
-
BOS
32h 18m
2 stops
$1,993American Airlines
Mon, 7 Sep - Thu, 17 Sep
American Airlines Logo
14:32 - 12:55
BOS
-
CNS
32h 23m
2 stops
American Airlines Logo
13:55 - 08:13
CNS
-
BOS
32h 18m
2 stops
$1,994American Airlines
Mon, 7 Sep - Thu, 17 Sep
American Airlines Logo
16:59 - 12:55
BOS
-
CNS
29h 56m
2 stops
American Airlines Logo
13:55 - 07:36
CNS
-
BOS
31h 41m
2 stops
$2,024American Airlines
Fri, 21 Aug - Fri, 28 Aug
Qantas Airways Logo
14:32 - 13:45
BOS
-
CNS
33h 13m
2 stops
Qantas Airways Logo
06:50 - 22:06
CNS
-
BOS
29h 16m
2 stops
$2,041Qantas Airways
Tue, 11 Aug - Tue, 18 Aug
Qantas Airways Logo
14:32 - 13:45
BOS
-
CNS
33h 13m
2 stops
Qantas Airways Logo
06:50 - 07:36
CNS
-
BOS
38h 46m
2 stops
$2,054Qantas Airways
Tue, 11 Aug - Tue, 18 Aug
Qantas Airways Logo
13:02 - 11:50
BOS
-
CNS
32h 48m
2 stops
Qantas Airways Logo
13:40 - 19:42
CNS
-
BOS
44h 02m
2 stops
$2,143Qantas Airways
Wed, 12 Aug - Sun, 23 Aug
Qantas Airways Logo
14:32 - 12:55
BOS
-
CNS
32h 23m
2 stops
Qantas Airways Logo
06:50 - 21:05
CNS
-
BOS
28h 15m
2 stops
$2,160Qantas Airways
Tue, 11 Aug - Mon, 24 Aug
Qantas Airways Logo
14:32 - 12:55
BOS
-
CNS
32h 23m
2 stops
Qantas Airways Logo
06:50 - 21:05
CNS
-
BOS
28h 15m
2 stops
$2,183Qantas Airways
Wed, 12 Aug - Fri, 21 Aug
Qantas Airways Logo
05:51 - 12:55
BOS
-
CNS
41h 04m
2 stops
Qantas Airways Logo
07:00 - 23:28
CNS
-
BOS
54h 28m
2 stops
$2,193Qantas Airways
Mon, 7 Sep - Thu, 17 Sep
Qantas Airways Logo
15:59 - 12:55
BOS
-
CNS
30h 56m
2 stops
Qantas Airways Logo
06:50 - 19:42
CNS
-
BOS
26h 52m
2 stops
$2,197Qantas Airways
Thu, 13 Aug - Tue, 18 Aug

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Boston to Cairns

Our best American Airlines deals on Boston to Cairns flight tickets
American Airlines
7 Sept
BOS16:59Boston Logan Intl
29h 56m
2 stops
CNS12:55Cairns
17 Sept
CNS13:55Cairns
32h 18m
2 stops
BOS08:13Boston Logan Intl
$1,993
American Airlines
7 Sept
BOS14:32Boston Logan Intl
32h 23m
2 stops
CNS12:55Cairns
17 Sept
CNS13:55Cairns
32h 18m
2 stops
BOS08:13Boston Logan Intl
$1,994
American Airlines
21 Aug
BOS16:59Boston Logan Intl
29h 56m
2 stops
CNS12:55Cairns
28 Aug
CNS13:55Cairns
31h 41m
2 stops
BOS07:36Boston Logan Intl
$2,024

Qantas Airways flights from Boston to Cairns

Our best Qantas Airways deals on Boston to Cairns flight tickets
Qantas Airways
11 Aug
BOS14:32Boston Logan Intl
33h 13m
2 stops
CNS13:45Cairns
18 Aug
CNS06:50Cairns
29h 16m
2 stops
BOS22:06Boston Logan Intl
$2,041
Qantas Airways
11 Aug
BOS14:32Boston Logan Intl
33h 13m
2 stops
CNS13:45Cairns
18 Aug
CNS06:50Cairns
38h 46m
2 stops
BOS07:36Boston Logan Intl
$2,054
Qantas Airways
12 Aug
BOS13:02Boston Logan Intl
32h 48m
2 stops
CNS11:50Cairns
23 Aug
CNS13:40Cairns
44h 02m
2 stops
BOS19:42Boston Logan Intl
$2,143

momondo Fare Finder

 
Customise your flight search to find flights from Boston to Cairns that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 26 July 2026.
Use the filters below to find and compare flights from Boston to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

16:59-12:55

2 stops29h 56m

Cairns

Thu 17/9

13:55-08:13

2 stops32h 18m

$1,993

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

14:32-12:55

2 stops32h 23m

Cairns

Thu 17/9

13:55-08:13

2 stops32h 18m

$1,994

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 21/8

16:59-12:55

2 stops29h 56m

Cairns

Fri 28/8

13:55-07:36

2 stops31h 41m

$2,024

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Tue 11/8

14:32-13:45

2 stops33h 13m

Cairns

Tue 18/8

06:50-22:06

2 stops29h 16m

$2,041

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Tue 11/8

14:32-13:45

2 stops33h 13m

Cairns

Tue 18/8

06:50-07:36

2 stops38h 46m

$2,054

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 12/8

13:02-11:50

2 stops32h 48m

Cairns

Sun 23/8

13:40-19:42

2 stops44h 02m

$2,143

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Tue 11/8

14:32-12:55

2 stops32h 23m

Cairns

Mon 24/8

06:50-21:05

2 stops28h 15m

$2,160

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 12/8

14:32-12:55

2 stops32h 23m

Cairns

Fri 21/8

06:50-21:05

2 stops28h 15m

$2,183

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

05:51-12:55

2 stops41h 04m

Cairns

Thu 17/9

07:00-23:28

2 stops54h 28m

$2,193
Fastest return journey

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 13/8

15:59-12:55

2 stops30h 56m

Cairns

Tue 18/8

06:50-19:42

2 stops26h 52m

$2,197

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Cairns from

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?

American Airlines and Qantas Airways are the most popular carriers 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 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

29h 56m

Direct flights

None
The fastest flight from Boston to Cairns takes 29h 56m
There are no direct flights from Boston to Cairns. There are no popular flight routes from Boston to Cairns.
Search flight deals

Frequently asked questions about flying from Boston to Cairns

  • 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 29h 56m, 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.

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Port Douglas
Palm Cove
Mission Beach
Trinity 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.

An easier way to manage your Cairns trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 25/8
Tue 1/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia