Are you looking to buy airline tickets three months, six months or even one year in advance? Find out when airline tickets go on sale for over 600 different airlines and buy your flight tickets in advance with Alternative Airlines!
If you're looking to buy your flight tickets several months before your date of travel, but can't find any available flights for that date, use our search form at the top of the page to search for flights from over 600 airlines and discover which airlines offer flights for your chosen route the furthest in advance.
Find out how many days, weeks or months in advance you can buy flights for each airline and information on when each airline releases its schedule.
How early you can book plane tickets will depend on each airline's policy. Have a look at how many days in advance you can book flights on these airlines:
Please note: This only shows how early you can book a flight for some of our most popular airlines. Alternative Airlines offer flights from over 600 airlines altogether. If you don't see the airline you're looking for from the list above, use the search bar at the top of the page to search for all available airlines flying your chosen route on the date you want to fly on.
See all available airlines with Alternative Airlines
Planning your trip early is one of the best ways to secure the right dates, routes and prices - especially when you’re booking for multiple people. But paying for everything upfront, months before departure, can be a stretch. Slice Pay helps ease that pressure.
With Slice Pay, you can secure your advance booking with a small deposit and spread the rest of the cost with weekly or fortnightly payments. It’s a true lay-by payment plan (not a credit product), which means you can embark on your trip with no interest, no debt, and no stress.
Slice Pay is perfect for group trips or expensive long-haul trips booked well in advance (we all know that's how you get the best flight deals).
It’s a stress-free way to take advantage of early deals, secure your seats, and make travel more accessible.
You’ll see if Slice Pay is available in your region at checkout when booking with Alternative Airlines.
Start by heading to the top of the page. Fill in the search form with your destinations, dates and the number of people travelling - click the 'Search flights' button and select the flights that are most suitable for you.
At checkout, select Slice Pay as your payment method to secure your booking with a small deposit and pay the rest over time. This will only be available to you if you are a resident of the US, Australia, or New Zealand. UK and Canada coming soon.
Pay from a 5% deposit to lock in your flight today and choose a weekly or fortnightly instalment plan for the remaining balance. You'll then have to follow instructions, put in a few details and a soft credit check will be performed - all done in a matter of seconds!
Once your application has been accepted, your flight booking will be confirmed and you'll receive your e-ticket from Alternative Airlines in your e-mail inbox.
Search flights in advance with over 600 airlines and 40+ ways to pay.
We’re super proud of our Trustpilot rating, but don’t just take it from us. See why millions of others love booking their flights through Alternative Airlines
Alaska Airlines allows bookings from up to 330 days out, which is the equivalent to just under 11 months or 47 weeks.
Delta Air Lines allow you to book your airline tickets 330 days or 47 weeks in advance. This is the same as 10/11 months.
How far in advance that you can book Frontier flights differs from season to season. On average, you can expect to be able to make Frontier Airlines flight reservation 258 days in advance. Frontier Airlines usually extend its schedule every two months.
With its latest schedule release, Southwest allowed passengers to book flights 254 day in advance, which is equal to 36 weeks or just over eight months. Check the furthest away date that Southwest is currently taking bookings for and when its next schedule is released.
Spirit Airlines flights are released 330 days in advance. This is equal to 47 weeks or 10/11 months.
Yes, with Alternative Airlines, you can book flights for the end of the year, whether it's a year in advance, a month or even a week!
Yes, some airlines have already released their flight schedule for the early stages of next year and are available to book as of now. As time goes on, more airlines will begin to release their flights for 2025. If you want to fly sooner, most airlines have already released their flights for the end of the year too. Flights are usually available to book 11 months in advance although this may vary depending on the airline. You can find out more by visiting our guide on buying flights for next year.
Yes! In fact, Slice Pay is ideal for advance bookings. It’s designed for people who plan early - like families, groups, or anyone booking 3–12 months ahead - and want time to budget for the full cost of the trip.
You can secure your booking with as little as 5% upfront in Australia and New Zealand, or 10% upfront in the US. The rest is paid in instalments over time, with everything paid off before your departure.
Yes! Slice Pay is designed for early planners. Whether you’re booking a holiday in six months or a family reunion next year, you can reserve your flights today and pay over time without dipping into savings or taking on debt.
You’ll see Slice Pay at checkout if it’s available in your region and for your flight. Just select it as your payment method and follow the steps to confirm your deposit and payment plan. For more information, visit our page on paying for your flights with deposits.
