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BOS - CNS

$723 Find Cheap Flights from Boston to Cairns - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$2,010
Typical prices: $1,503-$1,878
Emirates
Thu 11/8Sun 11/11
BOS - CNS • 2 stops
Cheapest one-way
$723
Typical prices: $831-$1,113
Qantas Airways
Fri 1/26
BOS - CNS • 2 stops
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Booking Insights
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

Mon, Oct 26 - Tue, Nov 3
Multiple Airlines Logo
10:45 am - 5:30 pmBOS  Boston Logan Intl-CNS Cairns
40h 45m2 stops Los Angeles Sydney Kingsford Smith
Multiple Airlines Logo
6:00 am - 9:14 pmCNS  Cairns-BOS Boston Logan Intl
30h 14m3 stops Brisbane Sydney Kingsford Smith Dallas/Fort Worth
$1,643Multiple Airlines
Mon, Oct 26 - Tue, Nov 3
Multiple Airlines Logo
2:29 pm - 11:20 amBOS  Boston Logan Intl-CNS Cairns
30h 51m2 stops Dallas/Fort Worth Brisbane
Multiple Airlines Logo
6:40 am - 9:14 pmCNS  Cairns-BOS Boston Logan Intl
29h 34m2 stops Sydney Kingsford Smith Dallas/Fort Worth
$1,807Multiple Airlines
Mon, Oct 26 - Tue, Nov 3
Multiple Airlines Logo
3:10 pm - 5:30 pmBOS  Boston Logan Intl-CNS Cairns
36h 20m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
6:05 pm - 10:37 pmCNS  Cairns-BOS Boston Logan Intl
43h 32m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,849Multiple Airlines
Sun, Nov 8 - Wed, Nov 11
Emirates Logo
10:10 pm - 10:55 amBOS  Boston Logan Intl-CNS Cairns
45h 45m2 stops Dubai Intl Melbourne
Emirates Logo
3:40 pm - 1:55 pmCNS  Cairns-BOS Boston Logan Intl
37h 15m2 stops Brisbane Dubai Intl
$2,010Emirates
Sun, Nov 8 - Wed, Nov 11
Emirates Logo
10:10 pm - 10:55 amBOS  Boston Logan Intl-CNS Cairns
45h 45m2 stops Dubai Intl Melbourne
Emirates Logo
3:40 pm - 1:55 pmCNS  Cairns-BOS Boston Logan Intl
37h 15m2 stops Brisbane Dubai Intl
$2,011Emirates
Mon, Oct 26 - Tue, Nov 3
Qantas Airways Logo
12:29 pm - 11:50 amBOS  Boston Logan Intl-CNS Cairns
33h 21m3 stops New York John F Kennedy Intl Auckland Intl Sydney Kingsford Smith
Qantas Airways Logo
3:40 pm - 11:59 pmCNS  Cairns-BOS Boston Logan Intl
47h 19m2 stops Brisbane Los Angeles
$2,099Qantas Airways
Sun, Nov 8 - Wed, Nov 11
United Airlines Logo
1:32 pm - 2:55 pmBOS  Boston Logan Intl-CNS Cairns
34h 23m3 stops Houston George Bush Intcntl San Francisco Sydney Kingsford Smith
United Airlines Logo
6:00 am - 11:59 pmCNS  Cairns-BOS Boston Logan Intl
32h 59m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl
$2,452United 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 $2,010, on Emirates.

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Key details for Boston to Cairns flights

Cheapest flight

$723
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.

  • 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 $1,643 to $10,861. That means the highest observed fare was about 7x 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 lower than usual. Average one-way flight prices are about $746, which is 28% below 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 Colonial Club Resort
    • Cairns Sheridan Hotel
    • Floriana Boutique Hotel

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