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 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 $1,695 to $10,864. That means the highest observed fare was about 6x 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 $817, which is 21% 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.

$780 CHEAP FLIGHTS from Boston to Cairns (BOS - CNS)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$1,695

Typical prices: $1,527-$2,541

United Airlines

Sat 10/6Sat 10/13

BOS - CNS • 2 stops

Cheapest one-way

$780

Typical prices: $831-$1,113

Multiple Airlines

Sun 1/28

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.

Insights

When to travel

November

Cheapest • 29% price drop

September

Most popular

Good to know

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We hope you love your trip to Cairns!

Flight Deals

Cheap Flights from Boston to Cairns (BOS-CNS)

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

Round-trip

One-way

Recent round-trip flight deals from Boston to Cairns

Tue, Oct 6 - Tue, Oct 13

7:45 am - 2:55 pmBOS Boston Logan Intl-CNS Cairns

41h 10m2 stops San Francisco Sydney Kingsford Smith

6:00 am - 10:57 pmCNS Cairns-BOS Boston Logan Intl

30h 57m2 stops Brisbane San Francisco

$1,695United Airlines

Tue, Oct 6 - Tue, Oct 13

7:45 am - 2:55 pmBOS Boston Logan Intl-CNS Cairns

41h 10m2 stops San Francisco Sydney Kingsford Smith

6:00 am - 11:59 pmCNS Cairns-BOS Boston Logan Intl

31h 59m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl

$1,695Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

5:45 am - 2:55 pmBOS Boston Logan Intl-CNS Cairns

43h 10m3 stops Washington, D.C. Dulles Intl Los Angeles Sydney Kingsford Smith

6:00 am - 11:59 pmCNS Cairns-BOS Boston Logan Intl

31h 59m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl

$1,971Multiple Airlines

Sun, Nov 8 - Wed, Nov 11

10:00 am - 10:55 amBOS Boston Logan Intl-CNS Cairns

33h 55m2 stops Dallas/Fort Worth Melbourne

11:40 am - 7:47 amCNS Cairns-BOS Boston Logan Intl

35h 07m2 stops Melbourne Los Angeles

$2,114Qantas Airways

Sun, Nov 8 - Wed, Nov 11

10:10 pm - 9:35 amBOS Boston Logan Intl-CNS Cairns

44h 25m2 stops Dubai Intl Adelaide

3:40 pm - 1:55 pmCNS Cairns-BOS Boston Logan Intl

61h 15m2 stops Brisbane Dubai Intl

$2,122Emirates

Sun, Nov 8 - Wed, Nov 11

10:10 pm - 9:35 amBOS Boston Logan Intl-CNS Cairns

44h 25m2 stops Dubai Intl Adelaide

3:40 pm - 1:55 pmCNS Cairns-BOS Boston Logan Intl

61h 15m2 stops Brisbane Dubai Intl

$2,123Emirates

Sun, Nov 8 - Wed, Nov 11

9:00 am - 11:50 amBOS Boston Logan Intl-CNS Cairns

35h 50m2 stops Los Angeles Sydney Kingsford Smith

11:40 am - 7:47 amCNS Cairns-BOS Boston Logan Intl

35h 07m2 stops Melbourne Los Angeles

$2,135Qantas Airways

Sun, Nov 8 - Wed, Nov 11

11:15 am - 2:55 pmBOS Boston Logan Intl-CNS Cairns

36h 40m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

3:45 pm - 10:37 pmCNS Cairns-BOS Boston Logan Intl

45h 52m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$3,014Air Canada

Sun, Nov 8 - Wed, Nov 11

11:15 am - 2:55 pmBOS Boston Logan Intl-CNS Cairns

36h 40m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

3:45 pm - 10:37 pmCNS Cairns-BOS Boston Logan Intl

45h 52m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$3,015Air Canada

Sun, Nov 8 - Wed, Nov 11

11:15 am - 2:55 pmBOS Boston Logan Intl-CNS Cairns

36h 40m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

3:45 pm - 10:37 pmCNS Cairns-BOS Boston Logan Intl

45h 52m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$3,029Air Canada

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.

What is the cheapest airline to fly from Boston to Cairns?

Qantas Airways ($2,114) and Emirates ($2,122) are the cheapest airlines to fly round-trip from Boston to Cairns according to KAYAK data over the last 5 days.

Find deals

Low season	January
High season	September
Cheapest flight	$780

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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 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 $1,695 to $10,864. That means the highest observed fare was about 6x 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 $817, which is 21% 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.

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

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BOS - CNS

$780 Find Cheap Flights from Boston to Cairns - Compare and Save

Everything you should know

Cheap Flights from Boston to Cairns (BOS-CNS)

Recent round-trip flight deals from Boston to Cairns

Recent one-way flight deals from Boston to Cairns

Price, demand and travel trends for Boston to Cairns flights

What is the cheapest airline to fly from Boston to Cairns?

Key details for Boston to Cairns flights

Low season

High season

Cheapest flight

When to book flights from Boston to Cairns

Your Boston to Cairns flight questions, answered

Your guide to booking Boston to Cairns flights

More options for your flight from Boston to Cairns

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

Information on your arrival and departure airports

Cabin class types available on flights from Boston to Cairns

Find direct flights to and from Boston and Cairns

Flights from domestic origins to Cairns

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