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Buy Flights with Four

Four is currently unavailable

We don't currently offer Four as a payment option when booking flights. But don't worry, if you're looking to book today and pay later, we do offer lots of alternative options, including Afterpay, Klarna, Zip, Afterpay, Paypal Credit, Affirm and more.

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Buy Flights with Four

Established in 2018, Four is the ‘Buy Now, Pay Later’ payment provider in the US. Four offers an all-in-one experience, enabling customers to split the cost of their online purchases and then easily manage their payments. Especially tailored to the US market, Four understands its customer’s requirements.


Pay in 25% upfront and the rest in 3 installments over 2 months. What's great is that Four is completely interest-free and has no hidden fees.


It's easy, all you need to do is search for flights using the Alternative Airlines search bar at the top of the page, select the right flight for you, then choose Four at checkout.

How to Buy Flights With Four

Follow these steps below to book flights and pay over time Four:

  1. Use our search form to search and select your preferred flights. Choose from 600+ global airlines! Then select 'Four' as your payment method at checkout.
  2. If you already have an account with Four, simply login to your account. If you don't, it's quick and easy to create an account with Four first to get approved.
  3. Once you're approved by Four, you can complete your booking.
  4. How simple is that? We'll send you your e-ticket as soon as your booking is confirmed. All you then have to do is meet your payment terms with Four.
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Four & Flights

With Alternative Airlines you can search for flights from 600+ global airlines then pay the way that you want. We offer 40+ payment methods, including Buy Now, Pay Later.

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Rated Excellent on Trustpilot

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Four and Flights FAQs

How can I use Four to pay for flights?

It's quick, easy, and simple to pay for your flights using Four when you book through Alternative Airlines. Alternative Airlines is a global flight search and booking website, which lets you compare flights on over 600 global airlines. All you need to do is search, book your flights, then select Four at checkout. Four will ask a few questions, then an instant decision will be made, and your flights will be confirmed straight away.


You can log into your Four account online or via their app to manage your payments.

How is the cost of my flights split?

The costs of your flights are split into 4 equal payments, which will be paid over 2 months. The first of your 4 payments will be equal to one-fourth of the total purchase price and will be taken upfront. The remaining 3 payments are taken each week after your initial upfront payment.

Will interest be charged on my Four payments?

No, Four does not charge interest or has hidden fees. However, payments must be paid on time are there is a charge if this hasn't been met.

Is there a chance I won't be approved?

Yes, it is possible that you will not be eligible, if Four can't verify your details or if you're not eligible to use Four due to your credit file. In this case, your flight payment will not be approved.

Does Four perform a Credit Check?

There are no credit checks for all new users, Four performs a soft credit check to obtain a credit score upon registration. It doesn't take long to be confirmed and to have your account verified.

Where is Four available?

Four is available for residents of the US, who are at least 18 years old.

Can I use Four to pay for domestic flights within the US?

Yes, if you're a US resident looking to book flights within the US, it is now more affordable than ever thanks to Four. Whether you're flying for business, or to visit family, Alternative Airlines lets you book flights on a wide range of airlines that fly domestically within the US. Popular airlines include Southwest AirlinesJetBlueDeltaAllegiant Air and more.

Can Four be used for international flights?

Yes! If you are a resident of the US and over the age of 18, you can search and book flights on over 600 global airlines and pay using Four, whether that is a domestic flight or an international one!

Will my payments be automatic?

Your payments will be automatic. You can always check your scheduled payment dates by logging in to your Four account.

When will I need to make my first payment?

You will need to pay the first instalment of at the time you book your flights. The following 3 payments will be take on the same day over the 2 months.