BOS - CNS

$1,973 Find Cheap Flights from Boston to Cairns

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Cairns departing on 4/12. 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
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Flights 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 return 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 return flight deals from Boston to Cairns

Thu, 4 Dec - Mon, 15 Dec
 Logo
16:28 - 14:00BOS-CNS
30h 32m2 stops
 Logo
09:15 - 17:00CNS-BOS
46h 45m2 stops
$1,973
Find Deal
Sat, 16 Aug - Sat, 23 Aug
Fiji Airways Logo
16:35 - 11:40BOS-CNS
29h 05m2 stops
Fiji Airways Logo
12:40 - 23:16CNS-BOS
24h 36m2 stops
$2,241Fiji Airways
Find Deal
Tue, 29 Jul - Mon, 11 Aug
Qantas Airways Logo
18:13 - 16:30BOS-CNS
32h 17m2 stops
Qantas Airways Logo
17:35 - 22:34CNS-BOS
42h 59m2 stops
$2,815Qantas Airways
Find Deal
Thu, 4 Dec - Mon, 15 Dec
United Airlines Logo
16:45 - 14:55BOS-CNS
55h 10m3 stops
United Airlines Logo
06:00 - 17:06CNS-BOS
26h 06m2 stops
$2,895United Airlines
Find Deal
Fri, 15 Aug - Fri, 22 Aug
United Airlines Logo
18:25 - 15:55BOS-CNS
31h 30m2 stops
United Airlines Logo
06:00 - 23:56CNS-BOS
31h 56m2 stops
$3,040United Airlines
Find Deal
Tue, 29 Jul - Sat, 9 Aug
Qantas Airways Logo
18:13 - 12:55BOS-CNS
28h 42m2 stops
Qantas Airways Logo
18:40 - 06:52CNS-BOS
50h 12m2 stops
$3,315Qantas Airways
Find Deal
Tue, 29 Jul - Wed, 6 Aug
Qatar Airways Logo
22:00 - 23:35BOS-CNS
35h 35m2 stops
Qatar Airways Logo
16:55 - 15:05CNS-BOS
60h 10m2 stops
$3,331Qatar Airways
Find Deal
Sat, 16 Aug - Sat, 23 Aug
Air Canada Logo
06:00 - 15:55BOS-CNS
43h 55m3 stops
Air Canada Logo
16:35 - 11:28CNS-BOS
56h 53m3 stops
$3,407Air Canada
Find Deal
Mon, 28 Jul - Wed, 6 Aug
Qatar Airways Logo
22:00 - 23:35BOS-CNS
35h 35m2 stops
Qatar Airways Logo
09:20 - 15:05CNS-BOS
43h 45m2 stops
$3,442Qatar Airways
Find Deal
Thu, 4 Dec - Mon, 15 Dec
Air Canada Logo
06:15 - 14:55BOS-CNS
41h 40m3 stops
Air Canada Logo
17:35 - 22:37CNS-BOS
44h 02m3 stops
$3,537Air Canada
Find Deal
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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 return tickets from Boston to Cairns were found on Fiji Airways ($2,241) and Qantas Airways ($2,815).


Good to know

Low seasonJune
High seasonNovember
Cheapest flight$1,973
Best time to beat the crowds (19% less expensive on average)
Most popular time to fly and prices are also 9% lower on average.
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 return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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 $1,297 for a return ticket.

  • 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 return ticket. You could then fly to Cairns with an airline and back to Boston with another airline.

  • 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

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