Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Boston to Cairns from $1,190

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.
Qatar Airways Logo
22:00 - 11:25
BOS
-
CNS
47h 25m
2 stops
Qatar Airways Logo
19:15 - 15:15
CNS
-
BOS
58h 00m
2 stops
$2,158Qatar Airways
Mon, 7 Sep - Thu, 17 Sep
Multiple Airlines Logo
14:00 - 16:40
BOS
-
CNS
36h 40m
2 stops
Multiple Airlines Logo
06:00 - 17:07
CNS
-
BOS
25h 07m
2 stops
$2,239Multiple Airlines
Sat, 29 Aug - Tue, 8 Sep
Qatar Airways Logo
22:00 - 09:50
BOS
-
CNS
45h 50m
2 stops
Qatar Airways Logo
19:15 - 15:15
CNS
-
BOS
58h 00m
2 stops
$2,255Qatar Airways
Mon, 7 Sep - Thu, 17 Sep
American Airlines Logo
17:00 - 12:55
BOS
-
CNS
29h 55m
2 stops
American Airlines Logo
13:55 - 08:13
CNS
-
BOS
32h 18m
2 stops
$2,284American Airlines
Mon, 7 Sep - Thu, 17 Sep
Multiple Airlines Logo
22:00 - 09:50
BOS
-
CNS
45h 50m
2 stops
Multiple Airlines Logo
19:15 - 15:15
CNS
-
BOS
58h 00m
2 stops
$2,286Multiple Airlines
Mon, 7 Sep - Thu, 17 Sep
Multiple Airlines Logo
22:00 - 09:50
BOS
-
CNS
45h 50m
2 stops
Multiple Airlines Logo
19:15 - 15:15
CNS
-
BOS
58h 00m
2 stops
$2,331Multiple Airlines
Mon, 7 Sep - Thu, 17 Sep
Multiple Airlines Logo
18:50 - 04:30
BOS
-
CNS
43h 40m
2 stops
Multiple Airlines Logo
19:10 - 22:40
CNS
-
BOS
41h 30m
3 stops
$2,517Multiple Airlines
Mon, 7 Sep - Thu, 17 Sep
Qantas Airways Logo
07:00 - 16:15
BOS
-
CNS
43h 15m
2 stops
Qantas Airways Logo
18:20 - 20:50
CNS
-
BOS
40h 30m
2 stops
$2,621Qantas Airways
Sat, 4 Jul - Fri, 10 Jul
Multiple Airlines Logo
07:28 - 15:55
BOS
-
CNS
42h 27m
2 stops
Multiple Airlines Logo
16:55 - 17:04
CNS
-
BOS
38h 09m
2 stops
$2,635Multiple Airlines
Sat, 18 Jul - Thu, 30 Jul
Qantas Airways Logo
11:53 - 13:40
BOS
-
CNS
35h 47m
3 stops
Qantas Airways Logo
12:35 - 23:28
CNS
-
BOS
48h 53m
2 stops
$2,662Qantas Airways
Mon, 7 Sep - Thu, 17 Sep

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

Qantas Airways flights from Boston to Cairns

Our best Qantas Airways deals on Boston to Cairns flight tickets
Qantas Airways
4 July
BOS07:00Boston Logan Intl
43h 15m
2 stops
CNS16:15Cairns
10 July
CNS18:20Cairns
40h 30m
2 stops
BOS20:50Boston Logan Intl
$2,621
Qantas Airways
7 Sept
BOS11:53Boston Logan Intl
35h 47m
3 stops
CNS13:40Cairns
17 Sept
CNS12:35Cairns
48h 53m
2 stops
BOS23:28Boston Logan Intl
$2,662
Qantas Airways
7 Sept
BOS11:53Boston Logan Intl
35h 47m
3 stops
CNS13:40Cairns
17 Sept
CNS12:35Cairns
48h 53m
2 stops
BOS23:28Boston Logan Intl
$2,664

Japan Airlines flights from Boston to Cairns

Our best Japan Airlines deals on Boston to Cairns flight tickets
Japan Airlines
7 Sept
BOS13:00Boston Logan Intl
25h 30m
1 stop
CNS04:30Cairns
17 Sept
CNS11:40Cairns
40h 28m
2 stops
BOS14:08Boston Logan Intl
$15,017
Japan Airlines
7 Sept
BOS13:00Boston Logan Intl
25h 30m
1 stop
CNS04:30Cairns
17 Sept
CNS11:40Cairns
40h 28m
2 stops
BOS14:08Boston Logan Intl
$15,019
Japan Airlines
7 Sept
BOS13:00Boston Logan Intl
25h 30m
1 stop
CNS04:30Cairns
17 Sept
CNS11:40Cairns
40h 28m
2 stops
BOS14:08Boston Logan Intl
$15,020

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 10 June 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

22:00-11:25

2 stops47h 25m

Cairns

Thu 17/9

19:15-15:15

2 stops58h 00m

$2,158
Fastest return journey

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 29/8

14:00-16:40

2 stops36h 40m

Cairns

Tue 8/9

06:00-17:07

2 stops25h 07m

$2,239

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

22:00-09:50

2 stops45h 50m

Cairns

Thu 17/9

19:15-15:15

2 stops58h 00m

$2,255

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

17:00-12:55

2 stops29h 55m

Cairns

Thu 17/9

13:55-08:13

2 stops32h 18m

$2,284

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

22:00-09:50

2 stops45h 50m

Cairns

Thu 17/9

19:15-15:15

2 stops58h 00m

$2,286

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

22:00-09:50

2 stops45h 50m

Cairns

Thu 17/9

19:15-15:15

2 stops58h 00m

$2,331

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

18:50-04:30

2 stops43h 40m

Cairns

Thu 17/9

19:10-22:40

3 stops41h 30m

$2,517

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 4/7

07:00-16:15

2 stops43h 15m

Cairns

Fri 10/7

18:20-20:50

2 stops40h 30m

$2,621

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 18/7

07:28-15:55

2 stops42h 27m

Cairns

Thu 30/7

16:55-17:04

2 stops38h 09m

$2,635

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 7/9

11:53-13:40

3 stops35h 47m

Cairns

Thu 17/9

12:35-23:28

2 stops48h 53m

$2,662

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?

United Airlines and Japan Airlines 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

28h 09m

Direct flights

None
The fastest flight from Boston to Cairns takes 28h 09m
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 28h 09m, 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
Fri 10/7
Fri 17/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia