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 $2,126 return on average, while Saturday is the most expensive at $3,594, a difference of $1,468. 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 Esplanade Lagoon, Cairns Convention Centre, and Cairns Regional Gallery. 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 $2,038 to $10,374. That means the highest observed fare was about 5x 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 $1,091, which is 25% 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 $2,160 to $3,594, with an average of $2,980 over the past 12 months. Anything below $2,160 counts as a good deal.

$1,045 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

$2,038

Typical prices: $2,160-$3,594

Multiple Airlines

Sat 8/12Sat 15/12

BOS - CNS • 3 stops

Cheapest one-way flight

$1,045

Typical prices: $1,175-$1,575

American Airlines

Sat 10/11

BOS - CNS • 2 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, 8 Dec - Tue, 15 Dec

14:36 - 14:00BOS Boston Logan Intl-CNS Cairns

32h 24m3 stops Washington, D.C. Dulles Intl San Francisco Brisbane

06:00 - 16:55CNS Cairns-BOS Boston Logan Intl

25h 55m2 stops Brisbane San Francisco

$2,038Multiple Airlines

Sat, 7 Nov - Sat, 14 Nov

18:45 - 11:50BOS Boston Logan Intl-CNS Cairns

50h 05m2 stops Los Angeles Sydney Kingsford Smith

12:35 - 16:29CNS Cairns-BOS Boston Logan Intl

42h 54m2 stops Sydney Kingsford Smith Los Angeles

$2,368Qantas Airways

Sat, 7 Nov - Sat, 14 Nov

13:32 - 14:00BOS Boston Logan Intl-CNS Cairns

33h 28m3 stops Houston George Bush Intcntl San Francisco Brisbane

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

32h 59m3 stops Brisbane San Francisco Washington, D.C. Dulles Intl

$2,441United Airlines

Sun, 8 Nov - Wed, 11 Nov

05:30 - 14:55BOS Boston Logan Intl-CNS Cairns

42h 25m3 stops Washington, D.C. Dulles Intl Los Angeles Sydney Kingsford Smith

06:00 - 19:19CNS Cairns-BOS Boston Logan Intl

28h 19m2 stops Brisbane San Francisco

$2,843United 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

$3,000Emirates

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

$3,002Emirates

Sun, 8 Nov - Wed, 11 Nov

13:32 - 14:55BOS Boston Logan Intl-CNS Cairns

34h 23m3 stops Houston George Bush Intcntl San Francisco Sydney Kingsford Smith

06:00 - 16:49CNS Cairns-BOS Boston Logan Intl

25h 49m2 stops Brisbane San Francisco

$3,055United Airlines

Sun, 8 Nov - Wed, 11 Nov

08:25 - 14:55BOS Boston Logan Intl-CNS Cairns

39h 30m2 stops Los Angeles Sydney Kingsford Smith

06:00 - 16:49CNS Cairns-BOS Boston Logan Intl

25h 49m2 stops Brisbane San Francisco

$3,112United Airlines

Tue, 8 Dec - Tue, 15 Dec

12:00 - 04:35BOS Boston Logan Intl-CNS Cairns

25h 35m1 stop Tokyo Narita

18:05 - 22:00CNS Cairns-BOS Boston Logan Intl

42h 55m2 stops Sydney Kingsford Smith Hong Kong Intl

$8,156Multiple Airlines

Sat, 7 Nov - Sat, 14 Nov

12:00 - 04:35BOS Boston Logan Intl-CNS Cairns

25h 35m1 stop Tokyo Narita

11:40 - 17:25CNS Cairns-BOS Boston Logan Intl

44h 45m2 stops Melbourne Tokyo Narita

$10,374Multiple 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.

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

Qantas Airways ($2,368) and United Airlines ($2,441) 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	$1,045

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.

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.
How much should I expect to pay for a Boston to Cairns flight?
Return flights from Boston to Cairns range from $2,160 to $3,594, with an average of $2,980 over the past 12 months. Anything below $2,160 counts as a good deal.
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 $2,038 to $10,374. That means the highest observed fare was about 5x 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 $1,091, which is 25% below the typical average for this route.
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
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 $2,126 return on average, while Saturday is the most expensive at $3,594, a difference of $1,468. 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 Esplanade Lagoon, Cairns Convention Centre, and Cairns Regional Gallery. These are among the most viewed places in Cairns on KAYAK.

If your dates are flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $2,126 – about $1,468 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 $2,108 return in that month – typically $1,487 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

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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

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