BOS - CNS

$1,166 Find Cheap Flights from Boston to Cairns – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$2,644
Typical prices: $2,190-$2,720
Qantas Airways
Wed 9/5Sat 12/5
BOS - CNS • 2 stops
Cheapest one-way flight
$1,166
Typical prices: $1,282-$1,651
Multiple Airlines
Thu 25/1
BOS - CNS • 2 stops
Direct flights
There are currently no direct flights between Boston and Cairns. You'll need to take a connecting flight to reach the destination.
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When to travel
Cheapest • 7% price drop
Most popular
Good to know
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Flight Deals

Cheap Flights from Boston to Cairns (BOS-CNS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Boston to Cairns

Sun, 9 May - Wed, 12 May
Qantas Airways Logo
09:05 - 22:50BOS  Boston Logan Intl-CNS Cairns
47h 45m2 stops Los Angeles Brisbane
Qantas Airways Logo
09:25 - 22:16CNS  Cairns-BOS Boston Logan Intl
26h 51m2 stops Brisbane Los Angeles
$2,644Qantas Airways
2 days ago
Thu, 10 Dec - Wed, 23 Dec
Multiple Airlines Logo
14:36 - 14:00BOS  Boston Logan Intl-CNS Cairns
32h 24m3 stops Washington, D.C. Dulles Intl San Francisco Brisbane
Multiple Airlines Logo
23:55 - 19:44CNS  Cairns-BOS Boston Logan Intl
34h 49m2 stops Melbourne San Francisco
$2,768Multiple Airlines
3+ days ago
Thu, 7 Jan - Wed, 27 Jan
Qatar Airways Logo
05:58 - 11:05BOS  Boston Logan Intl-CNS Cairns
38h 07m3 stops New York John F Kennedy Intl Doha Hamad Intl Melbourne
Qatar Airways Logo
15:45 - 13:55CNS  Cairns-BOS Boston Logan Intl
61h 10m2 stops Sydney Kingsford Smith Doha Hamad Intl
$2,792Qatar Airways
5 hours ago
Sun, 9 May - Wed, 12 May
Qantas Airways Logo
21:25 - 11:50BOS  Boston Logan Intl-CNS Cairns
48h 25m2 stops Los Angeles Melbourne
Qantas Airways Logo
13:55 - 22:16CNS  Cairns-BOS Boston Logan Intl
46h 21m2 stops Brisbane Los Angeles
$2,822Qantas Airways
3+ days ago
Sun, 9 May - Wed, 12 May
Qantas Airways Logo
09:05 - 11:50BOS  Boston Logan Intl-CNS Cairns
36h 45m2 stops Los Angeles Melbourne
Qantas Airways Logo
17:45 - 20:35CNS  Cairns-BOS Boston Logan Intl
40h 50m2 stops Brisbane Los Angeles
$2,823Qantas Airways
3+ days ago
Thu, 7 Jan - Wed, 27 Jan
Multiple Airlines Logo
05:45 - 19:05BOS  Boston Logan Intl-CNS Cairns
46h 20m3 stops New York John F Kennedy Intl Doha Hamad Intl Melbourne
Multiple Airlines Logo
09:45 - 13:55CNS  Cairns-BOS Boston Logan Intl
67h 10m3 stops Melbourne Denpasar Bali Ngurah Rai Doha Hamad Intl
$2,922Multiple Airlines
5 hours ago
Sun, 9 May - Wed, 12 May
United Airlines Logo
13:30 - 11:15BOS  Boston Logan Intl-CNS Cairns
31h 45m3 stops Newark San Francisco Brisbane
United Airlines Logo
06:00 - 21:42CNS  Cairns-BOS Boston Logan Intl
29h 42m2 stops Brisbane San Francisco
$3,032United Airlines
3+ days ago
Thu, 7 Jan - Wed, 27 Jan
Qantas Airways Logo
14:21 - 13:35BOS  Boston Logan Intl-CNS Cairns
32h 14m2 stops Los Angeles Sydney Kingsford Smith
Qantas Airways Logo
06:40 - 21:56CNS  Cairns-BOS Boston Logan Intl
30h 16m2 stops Sydney Kingsford Smith Dallas/Fort Worth
$3,048Qantas Airways
5 hours ago
Tue, 5 Jan - Tue, 12 Jan
Multiple Airlines Logo
14:20 - 13:35BOS  Boston Logan Intl-CNS Cairns
32h 15m2 stops Los Angeles Sydney Kingsford Smith
Multiple Airlines Logo
18:05 - 20:07CNS  Cairns-BOS Boston Logan Intl
41h 02m2 stops Sydney Kingsford Smith Dallas/Fort Worth
$3,164Multiple Airlines
1 day ago
Tue, 5 Jan - Tue, 12 Jan
Multiple Airlines Logo
09:15 - 14:55BOS  Boston Logan Intl-CNS Cairns
38h 40m2 stops San Francisco Sydney Kingsford Smith
Multiple Airlines Logo
06:00 - 23:59CNS  Cairns-BOS Boston Logan Intl
32h 59m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl
$3,425Multiple Airlines
1 day ago
Booking Insights

Price, demand, and travel trends for Boston to Cairns flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Boston to Cairns?

Return flights from Boston to Cairns typically range from $2,190 to $2,720. The lowest price found in the past 5 days was $2,644 on Qantas Airways.

Key details for Boston to Cairns flights

Cheapest flight

$1,166
The most popular month to fly with an average 6% increase in travellers.
One-way 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

Your Boston to Cairns flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • How long is a flight from Boston to Cairns?

    A direct flight from Boston to Cairns takes 00m, covering 24,973 km.

  • Do I need a passport to fly from Boston to Cairns?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Boston to Cairns flight?

    Return flights from Boston to Cairns range from $2,190 to $2,720, with an average of $2,326 over the past 12 months. Anything below $2,190 counts as a good deal.

  • Have flight prices from Boston to Cairns changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about $2,644 to $6,880. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Boston to Cairns looking right now?

    One-way fares from Boston to Cairns are currently higher than usual. Average one-way flight prices are about $1,804, which is 21% above the typical average for this route.

  • Which car hire options are available at Cairns Airport (CNS)?

    Cairns Airport (CNS) hosts 5 major car hire companies, with daily rates averaging $71 for economy cars. Top options include:

    • Bargain Car Rentals
    • East Coast Car Rentals
    • Simba Car Hire
    • Europcar
    • Ace Rental Cars

  • Which airports can I use when flying from Boston to Cairns?

    Flights from Boston to Cairns usually depart from Boston Logan Intl (BOS) and arrive at Cairns (CNS).

  • Can I save money by using flexible dates for flights from Boston to Cairns?

    Yes. Flexible dates can save you up to 29% on flights from Boston to Cairns. Tuesday is the cheapest departure day at $2,177 return on average, while Friday is the most expensive at $3,052, a difference of $875.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Boston and Cairns?

    Cairns is 15 hours ahead of Boston (Eastern Australia Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Cairns?

    Some of the most popular sights in Cairns are Esplanade Lagoon, Cairns Convention Centre, and Cairns Regional Gallery. These are among the most viewed places in Cairns on KAYAK.

Your guide to booking Boston to Cairns flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average $2,177, about $875 less than Friday fares (29% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Cairns trip for November. Fares historically average $2,158 return in that month – typically $894 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Cairns Airport.

    • Cairns Harbourside Hotel
    • Cairns Sheridan Hotel

More options for your flight from Boston to Cairns

Complete your trip to Cairns with a hotel stay or car hire