BOS - CNS

$1,495 Find Cheap Flights from Boston to Cairns

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Cairns departing on 2/18. 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, 0 bags

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
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Everything you should know

Cheapest round-trip
$1,495
Qantas Airways
Wed 2/18Fri 2/27
BOS - CNS • 2 stops
Cheapest one-way
Multiple Airlines
Mon 2/2
BOS - CNS • multi-stop
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We hope you love your trip to Cairns!
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

Wed, Feb 18 - Fri, Feb 27
Qantas Airways Logo
10:48 am - 10:45 am
BOS
-
CNS
32h 57m
2 stops
Qantas Airways Logo
2:50 pm - 11:59 pm
CNS
-
BOS
48h 09m
2 stops
$1,495Qantas Airways
Sat, Feb 28 - Wed, Mar 4
Qantas Airways Logo
4:04 pm - 11:05 pm
BOS
-
CNS
40h 01m
2 stops
Qantas Airways Logo
3:35 pm - 10:12 pm
CNS
-
BOS
45h 37m
2 stops
$1,660Qantas Airways
Sat, Feb 28 - Wed, Mar 4
Qantas Airways Logo
10:10 am - 11:05 pm
BOS
-
CNS
45h 55m
2 stops
Qantas Airways Logo
5:35 pm - 3:13 pm
CNS
-
BOS
36h 38m
2 stops
$1,661Qantas Airways
Sat, Feb 28 - Wed, Mar 4
Qantas Airways Logo
4:04 pm - 11:00 am
BOS
-
CNS
27h 56m
2 stops
Qantas Airways Logo
5:35 pm - 5:14 pm
CNS
-
BOS
38h 39m
2 stops
$1,663Qantas Airways
Wed, Feb 18 - Fri, Feb 27
United Airlines Logo
8:00 am - 2:00 pm
BOS
-
CNS
39h 00m
2 stops
United Airlines Logo
6:00 am - 11:57 pm
CNS
-
BOS
32h 57m
3 stops
$1,823United Airlines
Sat, Feb 28 - Wed, Mar 4
Qantas Airways Logo
11:45 am - 11:50 am
BOS
-
CNS
33h 05m
3 stops
Qantas Airways Logo
3:35 pm - 3:13 pm
CNS
-
BOS
38h 38m
2 stops
$2,764Qantas Airways
Wed, Feb 18 - Fri, Feb 27
Multiple Airlines Logo
10:45 am - 5:30 pm
BOS
-
CNS
39h 45m
3 stops
Multiple Airlines Logo
6:05 pm - 12:12 pm
CNS
-
BOS
57h 07m
3 stops
$2,963Multiple Airlines
Sat, Feb 28 - Wed, Mar 4
Singapore Airlines Logo
2:16 pm - 5:20 pm
BOS
-
CNS
36h 04m
3 stops
Singapore Airlines Logo
6:35 pm - 11:58 pm
CNS
-
BOS
44h 23m
2 stops
$3,030Singapore Airlines
Fri, Feb 13 - Sat, Feb 21
Multiple Airlines Logo
7:30 pm - 11:50 am
BOS
-
CNS
49h 20m
2 stops
Multiple Airlines Logo
6:40 am - 6:14 am
CNS
-
BOS
38h 34m
2 stops
$8,232Multiple Airlines
Fri, Feb 13 - Sat, Feb 21
Multiple Airlines Logo
9:33 pm - 5:30 pm
BOS
-
CNS
52h 57m
2 stops
Multiple Airlines Logo
6:40 am - 6:14 am
CNS
-
BOS
38h 34m
2 stops
$8,448Multiple Airlines
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 Qantas Airways ($1,495) and United Airlines ($1,823).

Find deals

Good to know

Cheapest flight$1,495
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 $1,495 for a round-trip ticket.

  • 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.

  • 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)