BOS - CNS

$668 Find Cheap Flights from Boston to Cairns

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Cairns departing on 11/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Cairns

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Cairns, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Cairns, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Cairns (BOS-CNS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Cairns that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Cairns

Sat, Feb 7 - Thu, Feb 12
Cathay Pacific Logo
12:30 am - 10:30 amBOS-CNS
43h 00m1 stop
Cathay Pacific Logo
12:00 pm - 10:00 pmCNS-BOS
25h 00m1 stop
$1,635Cathay Pacific
Find Deal
Wed, Sep 17 - Wed, Sep 24
United Airlines Logo
6:18 pm - 7:45 pmBOS-CNS
35h 27m2 stops
United Airlines Logo
6:00 am - 8:08 pmCNS-BOS
28h 08m2 stops
$1,728United Airlines
Find Deal
Sun, Feb 8 - Thu, Feb 12
United Airlines Logo
5:59 pm - 2:00 pmBOS-CNS
29h 01m2 stops
United Airlines Logo
6:00 am - 9:40 pmCNS-BOS
30h 40m2 stops
$1,753United Airlines
Find Deal
Sun, Feb 8 - Thu, Feb 12
Qatar Airways Logo
9:05 pm - 11:05 pmBOS-CNS
35h 00m2 stops
Qatar Airways Logo
5:20 pm - 2:20 pmCNS-BOS
36h 00m2 stops
$1,755Qatar Airways
Find Deal
Sun, Feb 8 - Thu, Feb 12
Qatar Airways Logo
9:05 pm - 11:05 pmBOS-CNS
35h 00m2 stops
Qatar Airways Logo
5:20 pm - 2:20 pmCNS-BOS
60h 00m2 stops
$1,756Qatar Airways
Find Deal
Sun, Feb 8 - Thu, Feb 12
Cathay Pacific Logo
9:45 am - 10:30 amBOS-CNS
33h 45m2 stops
Cathay Pacific Logo
12:00 pm - 10:00 pmCNS-BOS
25h 00m1 stop
$2,134Cathay Pacific
Find Deal
Sun, Feb 8 - Thu, Feb 12
Qantas Airways Logo
1:06 pm - 5:30 pmBOS-CNS
37h 24m3 stops
Qantas Airways Logo
5:35 pm - 2:41 pmCNS-BOS
36h 06m2 stops
$2,531Qantas Airways
Find Deal
Tue, Dec 23 - Sun, Jan 4
Qantas Airways Logo
10:27 am - 11:00 amBOS-CNS
33h 33m2 stops
Qantas Airways Logo
5:00 pm - 6:54 pmCNS-BOS
40h 54m2 stops
$2,787Qantas Airways
Find Deal
Mon, Dec 22 - Sun, Jan 4
Logo
12:30 am - 10:30 amBOS-CNS
43h 00m1 stop
Logo
7:50 pm - 2:20 pmCNS-BOS
57h 30m2 stops
$3,512
Find Deal
Mon, Dec 22 - Sun, Jan 4
Logo
12:30 am - 10:45 amBOS-CNS
43h 15m2 stops
Logo
11:55 pm - 2:20 pmCNS-BOS
53h 25m2 stops
$3,562
Find Deal
Booking Insights

KAYAK's insights & trends for Boston to Cairns flights

Get data-powered insights and trends into flights from Boston to Cairns to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Boston to Cairns?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Boston to Cairns were found on Cathay Pacific ($1,635) and United Airlines ($1,728).

Find deals

Good to know

Cheapest flight$668
Flight from Boston to Cairns

When to book flights from Boston to Cairns

Are your dates flexible? Find out the best times to travel from Boston to Cairns based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Cairns

  • What is the cheapest flight from Boston to Cairns?

    In the last 3 days, the lowest price for a flight from Boston to Cairns was $668 for a one-way ticket and $1,635 for a round-trip.

  • Do I need a passport to fly between Boston and Cairns?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Boston and on arrival in Cairns.

  • Which airports will I be using when flying from Boston to Cairns?

    Boston airport is called Boston Logan Intl and the only airport in Cairns is Cairns.

  • Which aircraft models fly most regularly from Boston to Cairns?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boston to Cairns?

    oneworld, and Star Alliance are the airline alliances operating flights between Boston and Cairns, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Boston to Cairns?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Cairns.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Cairns?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cairns from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Cairns?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Cairns with an airline and back to Boston with another airline. Booking your flights between Boston and CNS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Cairns?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Cairns from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Boston to Cairns

Information on your arrival and departure airports

Boston (BOS)
Cairns (CNS)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.