BOS - CNS

$1,008 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 round-trip
$1,484
Typical prices: $1,503-$1,878
Qatar Airways
Wed 1/31Thu 5/31
BOS - CNS • 2 stops
Cheapest one-way
$1,008
Typical prices: $831-$1,113
Multiple Airlines
Sun 1/7
BOS - CNS • 3 stops
Nonstop flights
Not available
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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Flight Deals

Cheap Flights from Boston to Cairns (BOS-CNS)

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

Recent round-trip flight deals from Boston to Cairns

Sun, Jan 31 - Mon, May 31
Qatar Airways Logo
8:40 pm - 11:05 amBOS  Boston Logan Intl-CNS Cairns
47h 25m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
1:40 pm - 3:15 pmCNS  Cairns-BOS Boston Logan Intl
39h 35m2 stops Melbourne Doha Hamad Intl
$1,484Qatar Airways
Sat, Apr 17 - Sat, Apr 24
Qatar Airways Logo
10:00 pm - 1:00 pmBOS  Boston Logan Intl-CNS Cairns
49h 00m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
10:30 am - 3:15 pmCNS  Cairns-BOS Boston Logan Intl
42h 45m2 stops Melbourne Doha Hamad Intl
$1,545Qatar Airways
Thu, Jan 21 - Sun, Feb 7
American Airlines Logo
3:25 pm - 2:55 pmBOS  Boston Logan Intl-CNS Cairns
32h 30m2 stops Dallas/Fort Worth Brisbane
American Airlines Logo
6:00 am - 9:57 pmCNS  Cairns-BOS Boston Logan Intl
30h 57m2 stops Brisbane Los Angeles
$1,550American Airlines
Sat, Jan 23 - Fri, Feb 5
American Airlines Logo
2:21 pm - 1:35 pmBOS  Boston Logan Intl-CNS Cairns
32h 14m2 stops Los Angeles Sydney Kingsford Smith
American Airlines Logo
9:15 am - 9:57 pmCNS  Cairns-BOS Boston Logan Intl
27h 42m2 stops Brisbane Los Angeles
$1,646American Airlines
Sat, Jan 23 - Thu, Apr 29
Qantas Airways Logo
6:51 pm - 7:15 pmBOS  Boston Logan Intl-CNS Cairns
57h 24m2 stops Los Angeles Brisbane
Qantas Airways Logo
9:25 am - 10:16 pmCNS  Cairns-BOS Boston Logan Intl
26h 51m2 stops Brisbane Los Angeles
$1,663Qantas Airways
Sat, Jan 23 - Fri, Feb 5
Multiple Airlines Logo
1:48 pm - 2:55 pmBOS  Boston Logan Intl-CNS Cairns
34h 07m2 stops San Francisco Sydney Kingsford Smith
Multiple Airlines Logo
6:00 am - 9:53 pmCNS  Cairns-BOS Boston Logan Intl
30h 53m3 stops Brisbane San Francisco Chicago O'Hare Intl
$1,681Multiple Airlines
Thu, Jan 21 - Sun, Feb 7
Multiple Airlines Logo
1:48 pm - 2:55 pmBOS  Boston Logan Intl-CNS Cairns
34h 07m2 stops San Francisco Sydney Kingsford Smith
Multiple Airlines Logo
6:00 am - 9:53 pmCNS  Cairns-BOS Boston Logan Intl
30h 53m3 stops Brisbane San Francisco Chicago O'Hare Intl
$1,686Multiple Airlines
Thu, Jan 21 - Sun, Feb 7
Air Canada Logo
3:30 pm - 2:00 pmBOS  Boston Logan Intl-CNS Cairns
31h 30m3 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl Brisbane
Air Canada Logo
6:00 am - 9:28 pmCNS  Cairns-BOS Boston Logan Intl
30h 28m3 stops Brisbane Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,810Air Canada
Sat, Nov 21 - Thu, Dec 10
Multiple Airlines Logo
1:32 pm - 4:40 pmBOS  Boston Logan Intl-CNS Cairns
36h 08m3 stops Houston George Bush Intcntl San Francisco Brisbane
Multiple Airlines Logo
7:50 pm - 9:24 pmCNS  Cairns-BOS Boston Logan Intl
40h 34m2 stops Melbourne San Francisco
$1,861Multiple Airlines
Sat, Nov 21 - Thu, Dec 10
Multiple Airlines Logo
6:01 pm - 4:40 pmBOS  Boston Logan Intl-CNS Cairns
31h 39m2 stops San Francisco Brisbane
Multiple Airlines Logo
7:50 pm - 9:24 pmCNS  Cairns-BOS Boston Logan Intl
40h 34m2 stops Melbourne San Francisco
$1,861Multiple Airlines
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 round-trip flight from Boston to Cairns?

Round-trip flights from Boston to Cairns typically range from $1,503 to $1,878. The lowest price found in the past 5 days was $1,484, on Qatar Airways.

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Key details for Boston to Cairns flights

Cheapest flight

$1,008
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 round-trip price

Your Boston to Cairns flight questions, answered

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

  • What cabin classes can I book on flights from Boston to Cairns?

    Only Economy Class is available on flights from Boston to Cairns.

  • How long is a flight from Boston to Cairns?

    A nonstop flight from Boston to Cairns takes 00m, covering 9,642 miles.

  • 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.

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

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,484 to $5,593. That means the highest observed fare was about 4x 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 $1,087, which is 5% above the typical average for this route.

  • What car rental options are available at Cairns Airport (CNS)?

    Cairns Airport (CNS) hosts 5 major car rental companies, with daily rates starting from around $12 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 $1,503 round-trip on average, while Friday is the most expensive at $2,107, a difference of $604.

    KAYAK's flexible dates feature shows options up to 3 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 14 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 Cairns Convention Centre and Reef Hotel Casino. 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 $1,503, about $604 less than Friday fares (29% savings) 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 Sheridan Hotel
    • Floriana Boutique Hotel
    • Kookas Bed & Breakfast

More options for your flight from Boston to Cairns

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

Car rentals in Cairns
Hotels in Cairns
Vacations in Cairns