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Cheap flights from Boston to Cairns from $667

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:30 am - 2:55 pmBOS  Boston Logan Intl-CNS Cairns
42h 25m3 stops Washington, D.C. Dulles Intl Los Angeles Sydney Kingsford Smith
United Airlines Logo
6:00 am - 11:59 pmCNS  Cairns-BOS Boston Logan Intl
32h 59m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl
$2,010United Airlines
Sun, Nov 8 - Wed, Nov 11
United Airlines Logo
5:30 am - 2:55 pmBOS  Boston Logan Intl-CNS Cairns
42h 25m3 stops Washington, D.C. Dulles Intl Los Angeles Sydney Kingsford Smith
United Airlines Logo
6:00 am - 7:19 pmCNS  Cairns-BOS Boston Logan Intl
28h 19m2 stops Brisbane San Francisco
$2,011United Airlines
Sun, Nov 8 - Wed, Nov 11
United Airlines Logo
8:25 am - 2:55 pmBOS  Boston Logan Intl-CNS Cairns
39h 30m2 stops Los Angeles Sydney Kingsford Smith
United Airlines Logo
6:00 am - 4:49 pmCNS  Cairns-BOS Boston Logan Intl
25h 49m2 stops Brisbane San Francisco
$2,012United Airlines
Sun, Nov 8 - Wed, Nov 11
Qatar Airways Logo
10:00 pm - 11:20 pmBOS  Boston Logan Intl-CNS Cairns
35h 20m2 stops Doha Hamad Intl Brisbane
Qatar Airways Logo
6:15 pm - 3:15 pmCNS  Cairns-BOS Boston Logan Intl
59h 00m2 stops Sydney Kingsford Smith Doha Hamad Intl
$2,040Qatar Airways
Fri, Oct 9 - Fri, Oct 16
Multiple Airlines Logo
12:30 pm - 1:40 pmBOS  Boston Logan Intl-CNS Cairns
35h 10m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
7:10 pm - 9:55 amCNS  Cairns-BOS Boston Logan Intl
52h 45m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$2,246Multiple Airlines
Thu, Sep 24 - Wed, Sep 30
Multiple Airlines Logo
1:55 pm - 8:20 pmBOS  Boston Logan Intl-CNS Cairns
40h 25m2 stops San Francisco Melbourne
Multiple Airlines Logo
6:00 am - 11:59 pmCNS  Cairns-BOS Boston Logan Intl
31h 59m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl
$2,334Multiple Airlines
Thu, Sep 24 - Wed, Sep 30
Multiple Airlines Logo
12:29 pm - 5:25 pmBOS  Boston Logan Intl-CNS Cairns
38h 56m3 stops New York John F Kennedy Intl Auckland Intl Sydney Kingsford Smith
Multiple Airlines Logo
6:15 pm - 4:39 pmCNS  Cairns-BOS Boston Logan Intl
36h 24m2 stops Sydney Kingsford Smith Los Angeles
$2,456Multiple Airlines
Fri, Oct 9 - Fri, Oct 16
Multiple Airlines Logo
12:29 pm - 5:25 pmBOS  Boston Logan Intl-CNS Cairns
38h 56m3 stops New York John F Kennedy Intl Auckland Intl Sydney Kingsford Smith
Multiple Airlines Logo
11:50 am - 4:39 pmCNS  Cairns-BOS Boston Logan Intl
42h 49m3 stops Brisbane Sydney Kingsford Smith Los Angeles
$2,477Multiple Airlines
Fri, Oct 9 - Fri, Oct 16
Qantas Airways Logo
2:19 pm - 10:30 amBOS  Boston Logan Intl-CNS Cairns
29h 11m2 stops Dallas/Fort Worth Brisbane
Qantas Airways Logo
5:40 pm - 9:15 pmCNS  Cairns-BOS Boston Logan Intl
42h 35m2 stops Brisbane Dallas/Fort Worth
$3,613Qantas Airways
Thu, Dec 17 - Tue, Jan 5
Singapore Airlines Logo
11:30 am - 5:15 pmBOS  Boston Logan Intl-CNS Cairns
38h 45m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi
Singapore Airlines Logo
6:20 pm - 5:00 amCNS  Cairns-BOS Boston Logan Intl
49h 40m2 stops Singapore Changi Los Angeles
$3,954Singapore Airlines
Thu, Dec 17 - Tue, Jan 5

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Qantas Airways flights from Boston to Cairns

Our best Qantas Airways deals on Boston to Cairns flight tickets
Qantas Airways
Dec 17
BOS2:19 pmBoston Logan Intl
29h 11m
2 stops
CNS10:30 amCairns
Jan 5
CNS5:40 pmCairns
42h 35m
2 stops
BOS9:15 pmBoston Logan Intl
$3,613
Qantas Airways
Sep 24
BOS4:35 pmBoston Logan Intl
30h 20m
2 stops
CNS12:55 pmCairns
Sep 30
CNS3:45 pmCairns
37h 51m
2 stops
BOS3:36 pmBoston Logan Intl
$12,462

United Airlines flights from Boston to Cairns

Our best United Airlines deals on Boston to Cairns flight tickets
United Airlines
Nov 8
BOS5:30 amBoston Logan Intl
42h 25m
3 stops
CNS2:55 pmCairns
Nov 11
CNS6:00 amCairns
32h 59m
3 stops
BOS11:59 pmBoston Logan Intl
$2,010
United Airlines
Nov 8
BOS8:25 amBoston Logan Intl
39h 30m
2 stops
CNS2:55 pmCairns
Nov 11
CNS6:00 amCairns
25h 49m
2 stops
BOS4:49 pmBoston Logan Intl
$2,011
United Airlines
Nov 8
BOS8:25 amBoston Logan Intl
39h 30m
2 stops
CNS2:55 pmCairns
Nov 11
CNS6:00 amCairns
25h 49m
2 stops
BOS4:49 pmBoston Logan Intl
$2,012

momondo Fare Finder

 
Use the filters below to find and compare flights from Boston to Cairns that are best for you.

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Cheapest round-trip

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Sun 11/8

5:30 am-2:55 pm

3 stops42h 25m

Cairns

Wed 11/11

6:00 am-11:59 pm

3 stops32h 59m

$2,010

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Sun 11/8

5:30 am-2:55 pm

3 stops42h 25m

Cairns

Wed 11/11

6:00 am-7:19 pm

2 stops28h 19m

$2,011
Quickest round-trip

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Sun 11/8

8:25 am-2:55 pm

2 stops39h 30m

Cairns

Wed 11/11

6:00 am-4:49 pm

2 stops25h 49m

$2,012

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Fri 10/9

10:00 pm-11:20 pm

2 stops35h 20m

Cairns

Fri 10/16

6:15 pm-3:15 pm

2 stops59h 00m

$2,040

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Thu 9/24

12:30 pm-1:40 pm

3 stops35h 10m

Cairns

Wed 9/30

7:10 pm-9:55 am

3 stops52h 45m

$2,246

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Thu 9/24

1:55 pm-8:20 pm

2 stops40h 25m

Cairns

Wed 9/30

6:00 am-11:59 pm

3 stops31h 59m

$2,334

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Fri 10/9

12:29 pm-5:25 pm

3 stops38h 56m

Cairns

Fri 10/16

6:15 pm-4:39 pm

2 stops36h 24m

$2,456

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Fri 10/9

12:29 pm-5:25 pm

3 stops38h 56m

Cairns

Fri 10/16

11:50 am-4:39 pm

3 stops42h 49m

$2,477

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Thu 12/17

2:19 pm-10:30 am

2 stops29h 11m

Cairns

Tue 1/5

5:40 pm-9:15 pm

2 stops42h 35m

$3,613

BostonCairns

BOS Boston Logan Intl - CNS Cairns

BOSCNS

Boston Logan Intl

Thu 12/17

11:30 am-5:15 pm

3 stops38h 45m

Cairns

Tue 1/5

6:20 pm-5:00 am

2 stops49h 40m

$3,954

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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

Best Price Found

$667

Fastest flight time

27h 50m

Direct flights

None
The best one-way flight to Cairns from Boston in the past 72 hours is $667. The best round-trip flight deal from Boston to Cairns found on momondo in the last 72 hours is $2,010.
The fastest flight from Boston to Cairns takes 27h 50m
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?

    There are 9641.2 mi between Boston Logan Intl and Cairns. 27h 50m 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.

Traveling to a place near Cairns?

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

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