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Cheap Flights from Sydney to Vientiane

Hi, I've summed up all the key info for Sydney to Vientiane flights

Cheapest one-way

S$ 280
AirAsia X Sun, Nov 1

63% below next 30d avg. (S$ 761)

Cheapest return

S$ 653
VietJet Air Fri, Nov 6

Best time to book

October Cheapest month
January Peak month

Recommended airlines

With a lowest one-way fare of S$ 280 , travelers can expect an average price of S$ 761 for upcoming trips, while round-trip tickets start at S$ 653 . Flights to Vientiane can arrive at: Wattay International Airport (VTE) . The most common route connects Kingsford Smith Airport and Wattay International Airport (SYD–VTE). To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 5d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Sydney to Vientiane over the next 90 days, with one-way fares from S$ 280 and round-trip from S$ 653. Based on Trip.com's latest 7-day flight data.

      • SYD 12:05
        33h 40m
        1 stop
        VTE 17:45
        Sydney - Vientiane | Fri, Nov 6 | VietJet Air
        VTE 12:35
        26h 15m
        1 stop
        SYD 18:50
        Vientiane - Sydney | Sun, Nov 8 | Scoot
        S$ 653 S$ 1,008
        35% off
        35% off
        S$ 1,008 S$ 653
      • SYD 12:05
        33h 55m
        1 stop
        VTE 18:00
        Sydney - Vientiane | Wed, Nov 4 | VietJet Air
        VTE 12:35
        26h 15m
        1 stop
        SYD 18:50
        Vientiane - Sydney | Sun, Nov 8 | Scoot
        S$ 686 S$ 1,008
        32% off
        32% off
        S$ 1,008 S$ 686
      • SYD 12:00
        16h 5m
        1 stop
        VTE 00:05
        Sydney - Vientiane | Fri, Oct 16 | China Eastern Airlines
        VTE 19:10
        33h 10m
        1 stop
        SYD 08:20
        Vientiane - Sydney | Mon, Oct 19 | VietJet Air
        S$ 739 S$ 1,008
        27% off
        27% off
        S$ 1,008 S$ 739
      • SYD 13:25
        32h 40m
        1 stop
        VTE 18:05
        Sydney - Vientiane | Fri, Nov 6 | Scoot
        VTE 12:35
        26h 15m
        1 stop
        SYD 18:50
        Vientiane - Sydney | Sun, Nov 8 | Scoot
        S$ 742
        26% off
        S$ 1,008 S$ 742
      • SYD 21:50
        15h
        1 stop
        VTE 08:50
        Sydney - Vientiane | Mon, Oct 26 | AirAsia X
        VTE 12:35
        19h 35m
        1 stop
        SYD 12:10
        Vientiane - Sydney | Fri, Oct 30 | Scoot
        S$ 743
        26% off
        S$ 1,008 S$ 743
      • SYD 12:05
        33h 40m
        1 stop
        VTE 17:45
        Sydney - Vientiane | Thu, Nov 5 | VietJet Air
        VTE 09:20
        17h 50m
        1 stop
        SYD 07:10
        Vientiane - Sydney | Thu, Nov 12 | AirAsia
        S$ 744
        26% off
        S$ 1,008 S$ 744
      • SYD 11:50
        35h 5m
        1 stop
        VTE 18:55
        Sydney - Vientiane | Fri, Nov 6 | Vietnam Airlines
        VTE 11:35
        18h 15m
        1 stop
        SYD 09:50
        Vientiane - Sydney | Thu, Nov 12 | Vietnam Airlines
        S$ 752
        25% off
        S$ 1,008 S$ 752
      • SYD 10:45
        26h 5m
        1 stop
        VTE 08:50
        Sydney - Vientiane | Fri, Oct 16 | AirAsia X
        VTE 19:10
        33h 10m
        1 stop
        SYD 08:20
        Vientiane - Sydney | Mon, Oct 19 | VietJet Air
        S$ 760
        25% off
        S$ 1,008 S$ 760
      • SYD 21:30
        30h 35m
        1 stop
        VTE 00:05
        Sydney - Vientiane | Fri, Nov 6 | China Eastern Airlines
        VTE 12:35
        26h 15m
        1 stop
        SYD 18:50
        Vientiane - Sydney | Sun, Nov 8 | Scoot
        S$ 761
        25% off
        S$ 1,008 S$ 761
      • SYD 14:00
        26h
        1 stop
        VTE 12:00
        Sydney - Vientiane | Thu, Oct 8 | Scoot
        VTE 19:10
        33h 10m
        1 stop
        SYD 08:20
        Vientiane - Sydney | Wed, Oct 14 | VietJet Air
        S$ 766
        24% off
        S$ 1,008 S$ 766
      • SYD 13:00
        17h 25m
        1 stop
        VTE 14:00
        Sydney - Vientiane | Wed, Sep 16 | Normal Airline
        VTE 15:00
        6h
        Direct
        SYD 16:00
        Vientiane - Sydney | Fri, Sep 18 | Normal Airline
        Find more flights
        Find more flights
      • SYD 10:45
        26h 5m
        1 stop
        VTE 08:50
        Sydney - Vientiane | Sun, Nov 1 | AirAsia X
        S$ 280 S$ 439
        36% off
        36% off
        S$ 439 S$ 280
      • SYD 21:50
        15h
        1 stop
        VTE 08:50
        Sydney - Vientiane | Fri, Nov 6 | AirAsia X
        S$ 304 S$ 439
        31% off
        31% off
        S$ 439 S$ 304
      • SYD 21:50
        15h
        1 stop
        VTE 08:50
        Sydney - Vientiane | Fri, Oct 23 | AirAsia X
        S$ 304 S$ 439
        31% off
        31% off
        S$ 439 S$ 304
      • SYD 11:15
        34h 45m
        1 stop
        VTE 18:00
        Sydney - Vientiane | Tue, Nov 3 | VietJet Air
        S$ 309
        30% off
        S$ 439 S$ 309
      • SYD 21:50
        15h
        1 stop
        VTE 08:50
        Sydney - Vientiane | Fri, Oct 16 | AirAsia X
        S$ 315
        28% off
        S$ 439 S$ 315
      • SYD 12:05
        33h 40m
        1 stop
        VTE 17:45
        Sydney - Vientiane | Fri, Nov 6 | VietJet Air
        S$ 331
        25% off
        S$ 439 S$ 331
      • SYD 12:05
        33h 40m
        1 stop
        VTE 17:45
        Sydney - Vientiane | Sat, Nov 7 | VietJet Air
        S$ 331
        25% off
        S$ 439 S$ 331
      • SYD 12:05
        33h 55m
        1 stop
        VTE 18:00
        Sydney - Vientiane | Wed, Nov 4 | VietJet Air
        S$ 332
        24% off
        S$ 439 S$ 332
      • SYD 12:05
        33h 40m
        1 stop
        VTE 17:45
        Sydney - Vientiane | Wed, Nov 11 | VietJet Air
        S$ 332
        24% off
        S$ 439 S$ 332
      • SYD 12:05
        33h 55m
        1 stop
        VTE 18:00
        Sydney - Vientiane | Sun, Nov 8 | VietJet Air
        S$ 333
        24% off
        S$ 439 S$ 333
      • SYD 13:00
        17h 25m
        1 stop
        VTE 14:00
        Sydney - Vientiane | Wed, Sep 16 | Normal Airline
        Find more flights
        Find more flights

Which airlines are the most popular for Sydney to Vientiane flights?

You can choose from 1 airlines that fly from Sydney to Vientiane, including Vietnam Airlines, AirAsia X offers the lowest prices on this route.
Vietnam Airlines logo Vietnam Airlines
Airlines are determined based on actual purchased flight tickets from Sydney to Vientiane according to previous 12 months data from Trip.com.

Flying from Sydney to Vientiane

The distance between Sydney and Vientiane is approximately 7,733.31km. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight price S$ 280
Cheapest return ticket price S$ 653
Off-season for travel October
Peak season for travel January
Flight distance 7,733.31km
Popular airline Vietnam Airlines
Flight statistics for the Sydney–Vientiane route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Sydney to Vientiane.

What is the cheapest month for one-way flights from Sydney to Vientiane?

The average price of one-way flights from Sydney to Vientiane purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Sydney to Vientiane is November, with an average price of S$ 558, and the most expensive month is December, with an average price of up to S$ 1,058.

S$ 1,058
S$ 808
S$ 558
S$ 308
    Cheapest
  • S$ 863
    Sep
  • S$ 630
    Oct
  • S$ 558
    Nov
  • S$ 1,058
    Dec
  • S$ 743
    Jan
  • S$ 616
    Feb
  • S$ 600
    Mar
  • S$ 799
    Apr
  • S$ 562
    May
  • S$ 848
    Jun
  • S$ 612
    Jul
  • S$ 755
    Aug

What is the cheapest month for round-trip flights from Sydney to Vientiane?

The average price of round-trip flights from Sydney to Vientiane purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for round-trip flights from Sydney to Vientiane is October, with an average price of S$ 1,112, and the most expensive month is December, with an average price of up to S$ 1,812.

S$ 1,812
S$ 1,462
S$ 1,112
S$ 762
    Cheapest
  • S$ 1,178
    Sep
  • S$ 1,112
    Oct
  • S$ 1,348
    Nov
  • S$ 1,812
    Dec
  • S$ 1,476
    Jan
  • S$ 1,112
    Feb
  • S$ 1,185
    Mar
  • S$ 1,426
    Apr
  • S$ 1,467
    May
  • S$ 1,498
    Jun
  • S$ 1,576
    Jul
  • S$ 1,281
    Aug

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Sydney to Vientiane?

    Based on Trip.com data, AirAsia X offers Cheapest nonstop one-way flights from S$ 280 (for example, SYD–VTE on Sun, Nov 1). For a Cheapest nonstop return flight, VietJet Air offers fares from S$ 653, departing on Fri, Nov 6 and returning on Sun, Nov 8.
  • At the moment, several airlines serve connecting flights from Sydney to Vientiane, including: Vietnam Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sydney to Vientiane 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.
  • Here are some tips for finding the best flight deals from Sydney to Vientiane on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Sun, Nov 1, with one-way fares from just S$ 280.
    · Compare airlines. AirAsia X currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. January is generally the busiest month for travel to Vientiane.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from Sydney to Vientiane is usually October, when demand is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Sydney to Vientiane on September 30, 2026 with AirAsia X Berhad (Malaysia), with prices starting at S$ 318.
  • Flights to Vientiane can arrive at: Wattay International Airport (VTE). The most common route connects Kingsford Smith Airport and Wattay International Airport (SYD–VTE).
  • The time difference between Vientiane and Sydney is 3h.
  • Tickets can only be changed or cancelled 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Sydney to Vientiane is S$ 761. Fares vary by travel date, airline and availability.
  • Enter Sydney and Vientiane, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.
  • Scoot and AirAsia X Berhad (Malaysia)are the most popular budget airlines flying from Sydney to Vientiane. Check baggage, seat and payment fees before comparing the final price.

Find Cheap Flights & Deals on Trip.com

Note: Prices shown on this page are the lowest estimated 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 shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate 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.