BOS - CNS

$750 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
$1,402
Typical prices: $1,527-$2,541
American Airlines
Sat 9/22Sat 9/29
BOS - CNS • 2 stops
Cheapest one-way
$750
Typical prices: $831-$1,113
American Airlines
Thu 10/25
BOS - CNS • 2 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.
Insights
Insights
When to travel
November
Cheapest • 29% price drop
September
Most popular
Good to know
+1
Good to know
+1
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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

Tue, Sep 22 - Tue, Sep 29
American Airlines Logo
4:35 pm - 3:00 pmBOS  Boston Logan Intl-CNS Cairns
32h 25m2 stops Los Angeles Los Angeles Brisbane
American Airlines Logo
3:45 pm - 8:13 amCNS  Cairns-BOS Boston Logan Intl
30h 28m2 stops Brisbane Los Angeles Los Angeles
$1,402American Airlines
Sun, Nov 8 - Wed, Nov 11
Multiple Airlines Logo
11:10 am - 5:30 pmBOS  Boston Logan Intl-CNS Cairns
39h 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
$1,531Multiple Airlines
Fri, Jan 22 - Fri, Jan 29
Multiple Airlines Logo
1:50 pm - 2:00 pmBOS  Boston Logan Intl-CNS Cairns
33h 10m2 stops San Francisco Brisbane
Multiple Airlines Logo
6:00 am - 1:05 amCNS  Cairns-BOS Boston Logan Intl
34h 05m2 stops Brisbane San Francisco
$1,591Multiple Airlines
Fri, Jan 22 - Fri, Jan 29
Multiple Airlines Logo
6:00 pm - 2:00 pmBOS  Boston Logan Intl-CNS Cairns
29h 00m2 stops San Francisco Brisbane
Multiple Airlines Logo
6:00 am - 11:54 pmCNS  Cairns-BOS Boston Logan Intl
32h 54m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl
$1,591Multiple Airlines
Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
6:50 pm - 4:30 amBOS  Boston Logan Intl-CNS Cairns
43h 40m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita
Multiple Airlines Logo
7:10 pm - 10:40 pmCNS  Cairns-BOS Boston Logan Intl
41h 30m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,593Multiple Airlines
Fri, Jan 22 - Fri, Jan 29
United Airlines Logo
6:00 am - 2:55 pmBOS  Boston Logan Intl-CNS Cairns
41h 55m3 stops Washington, D.C. Dulles Intl Los Angeles Los Angeles Sydney Kingsford Smith
United Airlines Logo
6:00 am - 11:54 pmCNS  Cairns-BOS Boston Logan Intl
32h 54m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl
$1,600United Airlines
Mon, Sep 7 - Thu, Sep 17
Multiple Airlines Logo
10:40 am - 4:30 amBOS  Boston Logan Intl-CNS Cairns
27h 50m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita
Multiple Airlines Logo
7:15 pm - 10:40 pmCNS  Cairns-BOS Boston Logan Intl
41h 25m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,600Multiple Airlines
Sun, Nov 8 - Wed, Nov 11
Qantas Airways Logo
7:00 am - 10:30 amBOS  Boston Logan Intl-CNS Cairns
36h 30m2 stops Los Angeles Los Angeles Brisbane
Qantas Airways Logo
9:15 am - 11:48 pmCNS  Cairns-BOS Boston Logan Intl
29h 33m2 stops Brisbane Los Angeles Los Angeles
$1,612Qantas Airways
Mon, Sep 7 - Thu, Sep 17
Multiple Airlines Logo
10:40 am - 4:30 amBOS  Boston Logan Intl-CNS Cairns
27h 50m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita
Multiple Airlines Logo
7:15 pm - 10:40 pmCNS  Cairns-BOS Boston Logan Intl
41h 25m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,624Multiple Airlines
Mon, Sep 7 - Thu, Sep 17
Multiple Airlines Logo
10:40 am - 4:30 amBOS  Boston Logan Intl-CNS Cairns
27h 50m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita
Multiple Airlines Logo
7:15 pm - 10:40 pmCNS  Cairns-BOS Boston Logan Intl
41h 25m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,625Multiple 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 from Boston to Cairns with more confidence.

How much is a round-trip flight from Boston to Cairns?

Round-trip flights from Boston to Cairns start at $1,402. Prices are below average for this route right now, with typical round-trip fares ranging from $1,527 to $2,541. The lowest price found in the past 5 days was $1,402 on American Airlines.

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Key details for Boston to Cairns flights

Low season

January

Cheapest flight

$750
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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. Being flexible with your travel dates can save you up to 41% on the Boston to Cairns route. Tuesday is the cheapest departure day at $1,503 round-trip on average, while Saturday is the most expensive at $2,541, a difference of $1,038. 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 popular places can I visit in Cairns?

    Some of the most popular sights in Cairns are Cairns Esplanade, Cairns Convention Centre and Reef Hotel Casino. These are among the most viewed places in Cairns on KAYAK.

  • How long is a flight from Boston to Cairns?

    A nonstop flight from Boston to Cairns takes 0h 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 $1,402 to $10,862. That means the highest observed fare was about 8x 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 $902, which is 13% below the typical average for this route.

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

    Cairns Airport (CNS) hosts 5 major car rental companies, with daily rates starting from around $13 for economy cars. Top options include:
    · Bargain Car Rentals
    · East Coast Car Rentals
    · Simba Car Hire
    · Ace Rental Cars
    · Budget

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

    Round-trip flights from Boston to Cairns range from $1,527 to $2,541, with an average of $2,107 over the past 12 months. Anything below $1,527 counts as a good deal.

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 can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $1,503 - about $1,038 less than Saturday (41% 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 $1,490 round-trip in that month - typically $1,051 less than the most expensive month, which is October (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

Everything you need to know for your flight from Boston to Cairns

Information on your arrival and departure airports

Boston (BOS)
Cairns (CNS)