Booking flights on FlightScanner and Skyscanner is the fastest way to find the cheapest ticket — the two best flight search engines, used together, find a cheaper fare more often than either alone.Both are flight search engines, not sellers: they compare fares from hundreds of airlines and online travel agencies (OTAs) and send you to the airline or the OTA to book the ticket. Skyscanner has the strongest whole-month and whole-year view, with a colour-coded calendar that highlights the cheapest day to fly, and the 'Everywhere' destination search that shows the cheapest place to fly on your dates. FlightScanner has a fast side-by-side comparison and the ±3 days flexible dates view that often reveals a cheaper day one or two days out. This guide walks through how to use both engines end to end — the search, the flexible dates, the price alerts, the re-check on the airline site — and then covers everything else you need to book the rest of your Sydney trip: flights, hotels, car rentals, eSIMs, bikes and Sydney GetYourGuide tours.
The short version: use Skyscanner to find the cheapest day and the cheapest destination, use FlightScanner to confirm the fare ±3 days either side, set a price alert, then re-check the fare on the airline website before you book through an OTA. Book 6 to 8 weeks ahead for a domestic flight and 8 to 12 weeks ahead for an international flight, in the window where the cheapest fare buckets are usually still open. For Sydney, the cheapest domestic fares are usually Tuesday and Wednesday departures, and the cheapest international fares are usually February and March. Use the search above to see the live fares into Sydney on your dates.
FlightScanner vs Skyscanner at a Glance
No single search engine has every fare, which is why the best approach is to use both Skyscanner and FlightScanner for every search. Skyscanner is the stronger tool for finding the cheapest day and the cheapest destination, while FlightScanner is the stronger tool for confirming the fare either side of your chosen date. Together, the two engines catch a cheaper fare more often than either alone, and the re-check on the airline site is the final step that avoids the OTA booking fees.
Key Facts About FlightScanner and Skyscanner
What is Skyscanner?
A flight, hotel and car search engine (metasearch)
What is FlightScanner?
A flight aggregator that compares fares side-by-side
Do they sell tickets?
No — they send you to the airline or OTA to book
Cheapest day search
Skyscanner whole-month view + FlightScanner ±3 days
Price alerts
Skyscanner emails you when a watched fare drops
Best for Sydney
Both — Sydney is a high-frequency hub, so fares vary a lot
Hidden OTA fees
Always re-check on the airline site before booking
Best time to book
6–8 weeks ahead for domestic, 8–12 for international
Incognito mode
Not needed — fare cookies are a myth, use a fresh search
How to Search on Skyscanner
To search on Skyscanner, you enter your origin, your destination and your travel dates on the Skyscanner website or app, and Skyscanner searches hundreds of airlines and online travel agencies and shows the fares side by side. The standout feature is the whole-month view: instead of a single date, click the 'whole month' button and Skyscanner shows a colour-coded calendar with the fare for every day of the month, with the cheapest days in green. You can also expand to the whole-year view to see the cheapest month in the next twelve. Type 'Everywhere' as the destination and Skyscanner shows the cheapest place to fly on your dates, a great way to find a spontaneous trip.
Set a price alert on your route and Skyscanner emails you when the fare drops, so you can book the moment the price hits your target. When you click a fare, Skyscanner sends you to the airline or the OTA to book the ticket — it does not sell you the ticket itself. Always re-check the fare on the airline website before you book through an OTA, because some OTAs add booking fees or have stricter change and refund rules. The Skyscanner app is the easiest way to search on the go and to keep an eye on your price alerts.
Whole month
Cheapest day view
Everywhere
Cheapest destination
Price alerts
Email on a drop
How to Search on FlightScanner
To search on FlightScanner, you enter your origin, your destination and your travel dates on the FlightScanner website, and it aggregates fares from airlines and online travel agencies into a fast side-by-side comparison. The strength of FlightScanner is the ±3 days flexible dates view, which shows the fares for three days either side of your chosen date and often reveals a cheaper day one or two days out. Like Skyscanner, FlightScanner is a search engine, not a seller, so it sends you to the airline or the OTA to book — it does not sell you the ticket.
Use FlightScanner alongside the Skyscanner whole-month view to confirm the cheapest day, then set a Skyscanner price alert on that day and book when the fare hits your target. Booking 6 to 8 weeks ahead for a domestic flight and 8 to 12 weeks ahead for an international flight is the window where the cheapest fare buckets are usually still open. The FlightScanner comparison is fast and the layout is clean, which makes it easy to scan a long list of fares and spot the outlier — the cheap fare that the other engines missed.
The Booking Step: Airline or OTA?
Book on the airline site
Booking on the airline site is usually the safest option — the fare is often the same or only a few dollars more than the OTA fare, and the change and refund rules are the airline's own (usually more flexible). The baggage allowance is the standard airline allowance, and if something goes wrong you deal with the airline directly.
Book on an OTA
An online travel agency (OTA) fare is sometimes a few dollars cheaper than the airline fare, but it can come with booking fees, a carry-on-only baggage allowance, and stricter change and refund rules. If something goes wrong, you deal with the OTA, not the airline, which can be slower. Always compare the total cost on both.
The best approach is to use Skyscanner and FlightScanner to find the cheapest fare, then re-check the fare on the airline website before you book through an OTA, and compare the total cost (fare plus bags plus any fees) on both. For a simple one-way domestic flight, the OTA fare is usually the cheapest; for anything with a bag or a possible change, the airline site is usually the better deal. Your ticket, your confirmation and your payment all come from the airline or the OTA, not from Skyscanner or FlightScanner.
When to Book Flights to Sydney
6–8 wks
Ahead for domestic
Feb & Mar
Cheapest months
Tue & Wed
Cheapest days
The cheapest time to book flights to Sydney is 6 to 8 weeks ahead for a domestic flight and 8 to 12 weeks ahead for an international flight, in the window where the cheapest fare buckets are usually still open. The cheapest months to fly into Sydney are February and March, after the summer school holidays and before the Easter break, and the cheapest days to fly domestically are usually Tuesday and Wednesday. Use the Skyscanner whole-month view to see the cheapest day in your month, and the FlightScanner ±3 days view to see the fares either side of your chosen date. Set a Skyscanner price alert on your Sydney route and book the moment the fare hits your target. Avoid the NSW school holidays, the Christmas and New Year peak, and the Easter break, when fares climb sharply. Sydney is a high-frequency hub, so the fares vary a lot day to day, which makes the flexible-date tools especially useful.
Tips for Booking Flights on FlightScanner and Skyscanner
- Skyscanner and FlightScanner are flight search engines, not sellers — they compare fares and send you to the airline or an online travel agency to book the ticket
- Use the Skyscanner whole-month view to see the cheapest day to fly across a whole month or even a whole year, with a colour-coded calendar that highlights the lowest fares
- Use the FlightScanner ±3 days flexible dates view to see the fares for three days either side of your chosen date, which often reveals a cheaper day one or two days out
- Type "Everywhere" as the destination on Skyscanner to see the cheapest place to fly on your dates — a great way to find a spontaneous trip
- Set a Skyscanner price alert on your route and get an email when the fare drops, so you can book the moment the price hits your target
- Always re-check the fare on the airline website before you book through an online travel agency (OTA), because some OTAs add booking fees or have stricter change and refund rules
- Book 6 to 8 weeks ahead for a domestic flight and 8 to 12 weeks ahead for an international flight — this is the window where the cheapest fare buckets are usually still open
- Clear your search and start a fresh one if you have searched a route many times — the "fares go up if you search" cookie myth is mostly false, but a fresh search picks up the latest fare
- Search one-way first, then search return — sometimes two one-way tickets on different airlines are cheaper than a single return ticket
- Check the baggage allowance before you book — a cheap OTA fare sometimes has a carry-on-only allowance, and adding a bag at the airline site is cheaper than at the OTA checkout
- For Sydney, the cheapest domestic fares are usually Tuesday and Wednesday departures, and the cheapest international fares are usually February and March
- Use both Skyscanner and FlightScanner for every search — no single search engine has every fare, and the two together find the cheapest ticket more often than either alone
Sydney in Pictures
A preview of where your cheap flight lands — an airliner taking off from Sydney at sunrise, the Opera House at sunset, the Harbour Bridge with ferries, Bondi Beach, Darling Harbour at dusk, and a flight search results page on a laptop.
Sydney Flights
Search live fares into and out of Sydney, with real-time availability on every domestic and international departure. Compare the direct flights with the one-stop routings and find the cheapest day to fly.
Sydney Hotels
Book a hotel in the Sydney CBD, Circular Quay, Darling Harbour or Bondi Beach — from the Park Hyatt to budget hostels, with the best locations for the Opera House, the Harbour Bridge and the beaches.
Book Sydney HotelsSydney Car Rentals
Book a car in Sydney — the easiest way to explore the Blue Mountains, the Hunter Valley and the South Coast, with pick-up at Sydney Airport or in the CBD. Note that Australia drives on the left.
Australia eSIM
Install an Australia eSIM before you fly so you have data, maps and messaging the moment you land at Sydney — no airport SIM queue and no roaming charges on the way to the city. Coverage is excellent on 4G and 5G networks across NSW.
Get an Australia eSIMRent a Bike in Sydney
See Sydney the local way — ride the Sydney Harbour Bridge cycleway, the Bondi to Bronte coastal ride, or the Centennial Park loop. Pack a helmet (mandatory in Australia), sunscreen and a water bottle, and book a bike online ahead of time.
Rent a Bike in SydneySydney Tours & Experiences
Once you land at Sydney, the city opens up like a postcard. Climb the Sydney Harbour Bridge, walk the Opera House forecourt, take the ferry to Manly, surf Bondi, eat fish and chips at Darling Harbour, take a day trip to the Blue Mountains, the Hunter Valley wineries or the Jenolan Caves, and walk the Bondi to Coogee coastal trail. Browse and book top-rated Sydney experiences below, all with free cancellation.
Frequently Asked Questions
How do I book flights on Skyscanner?
To book flights on Skyscanner, you start by entering your origin, your destination and your travel dates on the Skyscanner website or app. Skyscanner is a flight search engine, not a seller, so it does not sell you the ticket — it searches hundreds of airlines and online travel agencies (OTAs), shows you the fares side by side, and when you click a fare it sends you to the airline or the OTA to book the ticket directly. Before you click, use the whole-month view to see the cheapest day to fly across a whole month or even a whole year, with a colour-coded calendar that highlights the lowest fares. Set a price alert on your route and Skyscanner emails you when the fare drops. Always re-check the fare on the airline website before you book through an OTA, because some OTAs add booking fees or have stricter change and refund rules. The booking itself happens on the airline or OTA site, so your ticket and your confirmation come from them, not from Skyscanner.
How do I book flights on FlightScanner?
To book flights on FlightScanner, you enter your origin, your destination and your travel dates on the FlightScanner website, and it aggregates fares from airlines and online travel agencies into a fast side-by-side comparison. Like Skyscanner, FlightScanner is a search engine, not a seller, so it does not sell you the ticket — it sends you to the airline or the OTA to book. The strength of FlightScanner is the ±3 days flexible dates view, which shows the fares for three days either side of your chosen date and often reveals a cheaper day one or two days out. Use it alongside the Skyscanner whole-month view to find the cheapest day to fly, then re-check the fare on the airline website before you book through an OTA. Booking 6 to 8 weeks ahead for a domestic flight and 8 to 12 weeks ahead for an international flight is the window where the cheapest fare buckets are usually still open.
Is Skyscanner or FlightScanner better for cheap flights?
Both Skyscanner and FlightScanner are good for cheap flights, and the best approach is to use both for every search, because no single search engine has every fare. Skyscanner has the strongest whole-month and whole-year view, with a colour-coded calendar that highlights the cheapest day to fly, and the 'Everywhere' destination search that shows the cheapest place to fly on your dates. FlightScanner has a fast side-by-side comparison and the ±3 days flexible dates view that often reveals a cheaper day one or two days out. Together, the two engines find the cheapest ticket more often than either alone. The key is to use the flexible-date tools on both to find the cheapest day, set a Skyscanner price alert on your route, and then re-check the fare on the airline website before you book through an OTA.
Do Skyscanner and FlightScanner sell tickets?
No — neither Skyscanner nor FlightScanner sells tickets. Both are flight search engines (metasearch and aggregator), which means they compare fares from hundreds of airlines and online travel agencies and then send you to the airline or the OTA to book the ticket directly. Your ticket, your confirmation and your payment all come from the airline or the OTA, not from Skyscanner or FlightScanner. This is why it is always worth re-checking the fare on the airline website before you book through an OTA — some OTAs add booking fees, and some have stricter change and refund rules than the airline itself. If something goes wrong with your booking, you contact the airline or the OTA you booked with, not Skyscanner or FlightScanner.
When is the cheapest time to book flights to Sydney?
The cheapest time to book flights to Sydney is 6 to 8 weeks ahead for a domestic flight and 8 to 12 weeks ahead for an international flight, in the window where the cheapest fare buckets are usually still open. The cheapest months to fly into Sydney are February and March, after the summer school holidays and before the Easter break, and the cheapest days to fly domestically are usually Tuesday and Wednesday. Use the Skyscanner whole-month view to see the cheapest day in your month, and the FlightScanner ±3 days view to see the fares either side of your chosen date. Set a Skyscanner price alert on your Sydney route and book the moment the fare hits your target. Avoid the NSW school holidays, the Christmas and New Year peak, and the Easter break, when fares climb sharply.
Are flights cheaper on Skyscanner than on the airline site?
Sometimes — Skyscanner can show a fare that is cheaper than the airline site because it aggregates online travel agency (OTA) fares as well as airline fares, and some OTAs sell tickets at a small discount to the airline fare. But the OTA fare sometimes comes with booking fees, a carry-on-only baggage allowance, or stricter change and refund rules, so the headline price is not always the full cost. The best approach is to use Skyscanner to find the cheapest fare, then re-check the fare on the airline website before you book, and compare the total cost (fare plus bags plus any fees) on both. Often the airline site is the same or only a few dollars more, and the easier change and refund rules are worth the small difference. For a simple one-way domestic flight, the OTA fare is usually the cheapest; for anything with a bag or a possible change, the airline site is usually the better deal.
How do I find the cheapest day to fly with Skyscanner?
To find the cheapest day to fly with Skyscanner, use the whole-month view: enter your origin and destination, and instead of a single date, click the 'whole month' button (or the 'cheapest month' option), and Skyscanner shows a colour-coded calendar with the fare for every day of the month, with the cheapest days highlighted in green. You can also expand to the whole-year view to see the cheapest month in the next twelve. The 'Everywhere' destination search shows the cheapest place to fly on your dates if you are flexible on where to go. Pair the whole-month view with the FlightScanner ±3 days view to confirm the cheapest day, then set a Skyscanner price alert on that day and book when the fare hits your target. The cheapest days to fly are usually Tuesday and Wednesday, and the cheapest months are usually February and March.
Should I use incognito mode to search for flights?
No — the 'fares go up if you search a route many times' cookie myth is mostly false, and incognito mode does not change the fare. Airlines and search engines do not raise the fare based on your search history; the fare is set by the fare bucket and the demand on the flight. What does change the fare is real demand — when seats on a flight sell, the cheaper fare buckets close and the fare rises, which is why booking 6 to 8 weeks ahead for a domestic flight and 8 to 12 weeks ahead for an international flight matters. A fresh search (clearing your cookies or starting a new browser session) is still useful to pick up the latest fare, but it will not unlock a cheaper price. The real savings come from the flexible-date tools, the price alerts and booking in the right window, not from incognito mode.
Book Your Sydney Trip
Booking flights on FlightScanner and Skyscanner is the first step — use the two engines together to find the cheapest day, set a price alert, and re-check the fare on the airline site before you book. Once you know your Sydney dates, the rest is one batch of bookings: the flight into Sydney, a hotel in the CBD or Bondi, a Sydney car rental, an Australia eSIM and any Sydney tours you want to lock in ahead. Start below.