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Flights from Cairns to Buka

Search cheap flights from Cairns to Buka in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$389, and round-trip tickets start at US$916.

      • CNS 07:00
        4h 40m
        1 stop
        BUA 12:40
        Cairns - Buka | Wed, May 27 | Air Niugini
        BUA 13:10
        6h 20m
        1 stop
        CNS 18:30
        Buka - Cairns | Sat, May 30 | Air Niugini
        US$916 US$1,104
        17% off
        17% off
        US$1,104 US$916
      • CNS 13:00
        17h 25m
        1 stop
        BUA 14:00
        Cairns - Buka | Fri, May 15 | Normal Airline
        BUA 15:00
        6h
        Nonstop
        CNS 16:00
        Buka - Cairns | Sun, May 17 | Normal Airline
        Find more flights
        Find more flights
      • CNS 12:00
        23h 40m
        1 stop
        BUA 12:40
        Cairns - Buka | Mon, May 18 | Air Niugini
        US$389 US$469
        17% off
        17% off
        US$469 US$389
      • CNS 13:00
        17h 25m
        1 stop
        BUA 14:00
        Cairns - Buka | Fri, May 15 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Cairns to Buka are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Cairns to Buka (CNS-BUA)?

    Based on Trip.com data, Air Niugini offers one-way fares as low as US$389 on Cheapest nonstop routes (e.g. CNS to BUA on Mon, May 18), while Air Niugini offers Cheapest nonstop round-trips from US$916 departing on Wed, May 27 and returning on Sat, May 30.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cairns to Buka is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Cairns to Buka, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, May 18, with one-way flights priced at just US$389.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Niugini.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Buka travel is around November.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Cairns to Buka is January, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Cairns to Buka on May 25, 2026 with Air Niugini, with prices starting at US$691.
  • The time difference between Buka and Cairns is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.