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 $2,091 return on average, while Saturday is the most expensive at $3,535, a difference of $1,444. 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 Railway Station, and Cairns Central Shopping Centre. These are among the most viewed places in Cairns on KAYAK.

How long is a flight from Boston to Cairns?

A direct flight from Boston to Cairns takes 0h 00m, covering 24,973 km.

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, return flight prices on this route showed a wide range, from about $2,358 to $22,385. That means the highest observed fare was about 9x 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 $1,117, which is 22% 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.

Which car hire options are available at Cairns Airport (CNS)?

Cairns Airport (CNS) hosts 5 major car hire companies, with daily rates starting from around $18 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?

Return flights from Boston to Cairns range from $2,125 to $3,535, with an average of $2,931 over the past 12 months. Anything below $2,125 counts as a good deal.

$1,085 CHEAP FLIGHTS from Boston to Cairns (BOS - CNS)

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Never overpay with our price tracking tools.

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Cheapest return flight

$2,358

Typical prices: $2,125-$3,535

United Airlines

Sat 6/10Sat 13/10

BOS - CNS • 2 stops

Cheapest one-way flight

$1,085

Typical prices: $1,155-$1,549

Multiple Airlines

Sun 28/1

BOS - CNS • 3 stops

Direct 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 enjoy 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.

Return

One-way

Recent return flight deals from Boston to Cairns

Tue, 6 Oct - Tue, 13 Oct

07:45 - 14:55BOS Boston Logan Intl-CNS Cairns

41h 10m2 stops San Francisco Sydney Kingsford Smith

06:00 - 23:59CNS Cairns-BOS Boston Logan Intl

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

$2,358Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

05:45 - 14:55BOS Boston Logan Intl-CNS Cairns

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

06:00 - 23:59CNS Cairns-BOS Boston Logan Intl

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

$2,742Multiple Airlines

Sat, 3 Oct - Mon, 12 Oct

14:45 - 21:30BOS Boston Logan Intl-CNS Cairns

40h 45m2 stops Los Angeles Sydney Kingsford Smith

17:25 - 23:39CNS Cairns-BOS Boston Logan Intl

44h 14m3 stops Melbourne Auckland Intl Houston George Bush Intcntl

$2,854Air New Zealand

Sun, 8 Nov - Wed, 11 Nov

22:10 - 09:35BOS Boston Logan Intl-CNS Cairns

44h 25m2 stops Dubai Intl Adelaide

15:40 - 13:55CNS Cairns-BOS Boston Logan Intl

61h 15m2 stops Brisbane Dubai Intl

$2,953Emirates

Sat, 3 Oct - Mon, 12 Oct

16:35 - 11:55BOS Boston Logan Intl-CNS Cairns

29h 20m2 stops Los Angeles Sydney Kingsford Smith

15:45 - 08:17CNS Cairns-BOS Boston Logan Intl

30h 32m2 stops Brisbane Los Angeles

$2,963American Airlines

Sun, 8 Nov - Wed, 11 Nov

09:00 - 11:50BOS Boston Logan Intl-CNS Cairns

35h 50m2 stops Los Angeles Sydney Kingsford Smith

11:40 - 07:47CNS Cairns-BOS Boston Logan Intl

35h 07m2 stops Melbourne Los Angeles

$2,970Qantas Airways

Sat, 3 Oct - Sun, 11 Oct

16:35 - 11:55BOS Boston Logan Intl-CNS Cairns

29h 20m2 stops Los Angeles Sydney Kingsford Smith

15:45 - 08:17CNS Cairns-BOS Boston Logan Intl

30h 32m2 stops Brisbane Los Angeles

$3,032American Airlines

Sun, 8 Nov - Wed, 11 Nov

22:10 - 09:35BOS Boston Logan Intl-CNS Cairns

44h 25m2 stops Dubai Intl Adelaide

15:40 - 13:55CNS Cairns-BOS Boston Logan Intl

61h 15m2 stops Brisbane Dubai Intl

$3,067Emirates

Sun, 4 Oct - Mon, 12 Oct

13:55 - 14:05BOS Boston Logan Intl-CNS Cairns

34h 10m2 stops San Francisco Brisbane

17:25 - 19:44CNS Cairns-BOS Boston Logan Intl

40h 19m2 stops Brisbane San Francisco

$3,101Multiple Airlines

Sat, 24 Oct - Sat, 31 Oct

23:05 - 11:50BOS Boston Logan Intl-CNS Cairns

46h 45m2 stops Dubai Intl Sydney Kingsford Smith

06:00 - 14:55CNS Cairns-BOS Boston Logan Intl

70h 55m2 stops Brisbane Dubai Intl

$3,117Emirates

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?

Air New Zealand ($2,854) and Emirates ($2,953) are the cheapest airlines to fly return from Boston to Cairns according to KAYAK data over the last 5 days.

Find deals

Low season	January
High season	September
Cheapest flight	$1,085

Flights 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 return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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).
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 $2,091 return on average, while Saturday is the most expensive at $3,535, a difference of $1,444. 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 Railway Station, and Cairns Central Shopping Centre. These are among the most viewed places in Cairns on KAYAK.
How long is a flight from Boston to Cairns?
A direct flight from Boston to Cairns takes 0h 00m, covering 24,973 km.
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, return flight prices on this route showed a wide range, from about $2,358 to $22,385. That means the highest observed fare was about 9x 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 $1,117, which is 22% 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.
Which car hire options are available at Cairns Airport (CNS)?
Cairns Airport (CNS) hosts 5 major car hire companies, with daily rates starting from around $18 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?
Return flights from Boston to Cairns range from $2,125 to $3,535, with an average of $2,931 over the past 12 months. Anything below $2,125 counts as a good deal.

If your dates are flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $2,091 – about $1,444 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 $2,073 return in that month – typically $1,462 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 Harbourside Hotel
- Cairns Sheridan Hotel

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BOS - CNS

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Everything you should know

Cheap Flights from Boston to Cairns (BOS-CNS)

Recent return 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 hire

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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