BOS - CNS

$1,302 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 2/23. 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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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$1,302
Multiple Airlines
Mon 2/23Mon 3/2
BOS - CNS • 2 stops
Cheapest one-way
Multiple Airlines
Sat 1/10
BOS - CNS • multi-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
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

Mon, Feb 23 - Mon, Mar 2
Multiple Airlines Logo
4:50 pm - 10:05 pm
BOS
-
CNS
38h 15m2 stops
Multiple Airlines Logo
7:30 pm - 6:40 pm
CNS
-
BOS
38h 10m2 stops
$1,302Multiple Airlines
Mon, Feb 23 - Mon, Mar 2
Multiple Airlines Logo
8:40 pm - 8:30 am
BOS
-
CNS
68h 50m3 stops
Multiple Airlines Logo
11:40 am - 1:55 pm
CNS
-
BOS
41h 15m2 stops
$1,558Multiple Airlines
Mon, Feb 23 - Mon, Mar 2
Qantas Airways Logo
7:15 am - 2:05 pm
BOS
-
CNS
39h 50m2 stops
Qantas Airways Logo
2:50 pm - 10:11 pm
CNS
-
BOS
46h 21m3 stops
$1,586Qantas Airways
Mon, Feb 23 - Mon, Mar 2
Multiple Airlines Logo
6:15 am - 5:30 pm
BOS
-
CNS
44h 15m3 stops
Multiple Airlines Logo
6:05 pm - 12:12 pm
CNS
-
BOS
57h 07m3 stops
$1,632Multiple Airlines
Mon, Feb 23 - Mon, Mar 2
United Airlines Logo
5:50 pm - 2:00 pm
BOS
-
CNS
29h 10m2 stops
United Airlines Logo
6:00 am - 12:49 am
CNS
-
BOS
33h 49m2 stops
$1,640United Airlines
Mon, Feb 23 - Mon, Mar 2
United Airlines Logo
5:35 am - 2:55 pm
BOS
-
CNS
42h 20m3 stops
United Airlines Logo
6:00 am - 11:57 pm
CNS
-
BOS
32h 57m3 stops
$1,643United Airlines
Sat, Feb 28 - Wed, Mar 4
Qantas Airways Logo
8:23 am - 10:45 am
BOS
-
CNS
35h 22m2 stops
Qantas Airways Logo
3:35 pm - 6:14 am
CNS
-
BOS
29h 39m2 stops
$1,649Qantas Airways
Mon, Feb 23 - Mon, Mar 2
Air Canada Logo
10:15 am - 2:00 pm
BOS
-
CNS
36h 45m3 stops
Air Canada Logo
6:00 am - 9:27 pm
CNS
-
BOS
30h 27m3 stops
$1,740Air Canada
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
5:35 am - 2:55 pm
BOS
-
CNS
42h 20m3 stops
United Airlines Logo
6:00 am - 7:56 pm
CNS
-
BOS
28h 56m2 stops
$1,768United Airlines
Mon, Feb 23 - Mon, Mar 2
Emirates Logo
10:10 pm - 8:35 am
BOS
-
CNS
43h 25m2 stops
Emirates Logo
11:45 am - 1:55 pm
CNS
-
BOS
65h 10m2 stops
$1,980Emirates
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 ($1,586) and United Airlines ($1,640).

Find deals

Good to know

Cheapest flight$1,302
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 $1,302 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)