You might be thinking: “Why should I use in3 to book my next flight?” This blog breaks down all the key benefits to make your booking process as simple and straightforward as possible. As we know, flight prices can be an expensive purchase and booking a trip can take up a lot of time planning and choosing the right flights, dates and times. That's where in3 comes in as it may be an answer to solving these problems. in3 are a flexible Buy Now, Pay Later payment option, available at checkout on Alternative Airlines website.
in3 is a Dutch Buy Now, Pay Later lender, with a 4.8-star rating on Trustpilot. It allows you to split total purchase costs into 3 equal, interest-free instalments over a period of 60 days.
Why pay 100% of your flight cost upfront when you don't have to? With in3, your total purchase is split into three equal payments. Spreading out your payments gives you immediate room to breathe in your monthly budget.
Unlike traditional credit cards that hit you with high interest rates, in3 charges 0% interest. What you see at checkout is exactly what you pay. As long as your instalments are paid on time, there are zero hidden fees or surprise extra charges attached to your ticket.
Applying for traditional loans or credit lines can involve lengthy paperwork and potentially lower your credit score. In contrast, in3 performs a quick, automated eligibility check at checkout that won't negatively impact your credit score. It is fast, hassle-free, and simple.
Flight prices fluctuate constantly, and waiting for your next payday to book often means paying a much higher fare. With in3, you can secure cheap tickets the moment you spot a great deal. Pay just the first instalment today and rest easy knowing your price is locked in.
When booking your flights with Alternative Airlines you can use the Best Fare Finder tool. Which is designed to help you save, especially if your travel dates are flexible.
Nobody wants the stress of having lots of tabs open just to buy a plane ticket. Booking with in3 on Alternative Airlines takes just a few clicks:
You aren't restricted to just one airline when using in3. Through Alternative Airlines, in3 can be used to book flights on over 600 airlines worldwide!
These airlines include KLM, Transavia, Lufthansa, British Airways, EasyJet, and Delta. Wherever you want to fly, Alternative Airlines has you covered.
Did a weekend getaway opportunity pop up out of nowhere? Need to travel unexpectedly for an emergency or event?
in3 lets you say "yes" to spontaneous trips without having to wait months to save up the full ticket price upfront. Now you can start booking last minute flights knowing you have the flexibility.
Want to include extras such as flight add-ons like extra checked bags, choose a seat with extra legroom, or include Pre-Travel Protection?
Adding travel extras usually inflates your immediate total. Because in3 splits your overall checkout total into 3 instalments, adding those nice-to-have travel upgrades becomes far more manageable.
There is no guesswork involved. Right at checkout, in3 shows you your exact payment schedule, including the exact dates your second and third instalments are due. You will also receive helpful, automatic reminders before each payment date so you never miss a deadline.
Security is must when spending online. Especially a big purchase such as flights. in3 is a trusted, widely recognised payment provider built with advanced encryption to ensure your personal financial data is always protected. You can complete your purchase with total peace of mind.
Flying shouldn’t mean straining your budget. With in3 on Alternative Airlines, you can lock in cheap flight fares today, spread the cost over 60 days, and enjoy 0% interest with zero hidden fees.
Head over to Alternative Airlines, search for your dream destination, and choose in3 at checkout to pay the smart way!
To keep up to date on all of the latest news, follow us on social media!
Last updated:
Is it time to book your next holiday? Start your search today at Alternative Airlines. Wondering which airline to pick? Read our comparison guide below breaking down our two favourite airlines; Riyadh Air & Saudia
The UK regulated Buy Now Pay Later on July 15th 2026. Our survey of 1,000+ travellers reveals what the regulation means for those using flexible payment methods.