BOS - CNS

$1,010 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
$1,550
Typical prices: $1,527-$2,541
United Airlines
Sun 1/21Mon 2/5
BOS - CNS • 2 stops
Cheapest one-way
$756
Typical prices: $831-$1,113
Multiple Airlines
Fri 1/26
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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We hope you love your trip to Cairns!
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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

Thu, Jan 21 - Fri, Feb 5
United Airlines Logo
7:30 am - 2:55 pmBOS  Boston Logan Intl-CNS Cairns
40h 25m2 stops San Francisco Sydney Kingsford Smith
United Airlines Logo
6:00 am - 9:28 pmCNS  Cairns-BOS Boston Logan Intl
30h 28m2 stops Brisbane San Francisco
$1,550United Airlines
Fri, Oct 2 - Tue, Oct 20
American Airlines Logo
4:35 pm - 11:55 amBOS  Boston Logan Intl-CNS Cairns
29h 20m2 stops Los Angeles Sydney Kingsford Smith
American Airlines Logo
1:55 pm - 8:17 amCNS  Cairns-BOS Boston Logan Intl
32h 22m2 stops Brisbane Los Angeles
$1,558American Airlines
Thu, Jan 21 - 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 - 9:40 pmCNS  Cairns-BOS Boston Logan Intl
27h 25m2 stops Brisbane Los Angeles
$1,608American Airlines
Fri, Oct 2 - Tue, Oct 20
United Airlines Logo
6:40 pm - 7:10 pmBOS  Boston Logan Intl-CNS Cairns
34h 30m2 stops Los Angeles Melbourne
United Airlines Logo
6:00 am - 11:59 pmCNS  Cairns-BOS Boston Logan Intl
31h 59m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl
$1,679United Airlines
Thu, Jan 21 - Fri, Feb 5
United Airlines Logo
5:45 am - 2:55 pmBOS  Boston Logan Intl-CNS Cairns
42h 10m3 stops Washington, D.C. Dulles Intl Los Angeles Sydney Kingsford Smith
United Airlines Logo
6:00 am - 11:49 pmCNS  Cairns-BOS Boston Logan Intl
32h 49m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl
$1,730United Airlines
Fri, Oct 2 - Tue, Oct 20
United Airlines Logo
5:45 am - 7:10 pmBOS  Boston Logan Intl-CNS Cairns
47h 25m3 stops Washington, D.C. Dulles Intl Los Angeles Melbourne
United Airlines Logo
6:00 am - 11:59 pmCNS  Cairns-BOS Boston Logan Intl
31h 59m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl
$1,824United Airlines
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
$2,010United Airlines
Sun, Nov 8 - Wed, Nov 11
Emirates Logo
10:10 pm - 9:35 amBOS  Boston Logan Intl-CNS Cairns
44h 25m2 stops Dubai Intl Adelaide
Emirates Logo
3:40 pm - 1:55 pmCNS  Cairns-BOS Boston Logan Intl
37h 15m2 stops Brisbane Dubai Intl
$2,121Emirates
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 - 4:49 pmCNS  Cairns-BOS Boston Logan Intl
25h 49m2 stops Brisbane San Francisco
$2,160United Airlines
Thu, Jan 21 - Fri, Feb 5
Multiple Airlines Logo
11:30 am - 5:15 pmBOS  Boston Logan Intl-CNS Cairns
38h 45m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi
Multiple Airlines Logo
6:20 pm - 5:04 pmCNS  Cairns-BOS Boston Logan Intl
37h 44m3 stops Singapore Changi Frankfurt am Main New York John F Kennedy Intl
$2,796Multiple 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 $1,550. Prices are typical 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 $1,550 on United Airlines.

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Key details for Boston to Cairns flights

Low season

January

Cheapest flight

$756
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).

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

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

  • 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 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.

  • 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 $858, which is 17% 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

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