Skip to flight searchSkip to main content
Southwest Airlines logo inside white rounded rectangle

Southwest Airlines Tickets — Fly Now Pay Later

Lufthansa aircraft

Book Southwest Airlines Tickets and Fly Now, Pay Later

Looking to split the total cost of your Southwest Airlines flight? You've come to the right place for that! At Alternative Airlines, we offer over 600 airlines including Southwest Airlines and offer you over 40 payment methods across 160+ currencies. You can use buy now pay later/financing options to make your Southwest flight more affordable.

What else? You even have the choice to add Cancellation Protection and Lost Baggage Protection to your booking for added insurance!

Buy Now Pay Later payment methods

Can I pay for Southwest Airlines flights in instalments?

Of course! We have over 40 payment methods across 160+ currencies on our site composed of buy now pay later/financing options. You can make the flight cost more affordable using these flexible options.

You can choose fromKlarnaPayPal CreditAffirmAfterpayZip and many more! Discover all our finance options to find the perfect one for you.

Please note that the availability of the payment methods depends on your country of residency.

Available Buy Now Pay Later Options with Southwest Airlines


Can I use Afterpay for Southwest Airlines flights?

Certainly! You can take advantage of Afterpay flights and conveniently spread the cost of your flights into four equal payments with no interest or hidden fees. As a US customer, you can book any Southwest Airlines flight through our website. When you're ready to make your booking, just select 'Afterpay' at checkout to enjoy the flexibility of paying in instalments.


Do you accept Zip on Southwest Airlines flights?

We accept Zip in the US, Mexico, Australia and New Zealand. You can buy flights using Zip and pay your flights back in easy, manageable instalments over time, giving you the flexibility to fly now and pay the full cost at a later date.


Can I pay for Southwest Airlines flights using Klarna?

Of course! You can buy Southwest Airlines flights at Alternative Airlines using Klarna. Klarna offers customers the option of either Pay Now, Pay Later or Pay in 3/4, this would depend on the location you reside but it's available in 14 different countries. Available in the United States, United Kingdom, Sweden, Spain, Norway, Netherlands, Italy, Germany, Finland, Denmark, Belgium and Austria. Read our blog about why you should buy flights using Klarna.

PayPal Credit

Can I pay with PayPal Credit on Southwest Airlines?

Yes! We offer PayPal Credit to our customers so you can spread the cost of your flight into 12 monthly payments. It's an easy and secure way of paying for your flights too. Simply select 'PayPal Credit' at checkout to spread the cost of your flight! Available in the United States and the United Kingdom.


Can I use Affirm for Southwest Airlines flights?

Affirm is available at Alternative Airlines for your Southwest Airlines flight. You can spread the cost of your ticket into 3, 6, 9, 12, 18 monthly instalments or into 4 instalments. Available in the United States and Canada.

Southwest Airlines wing

Can I get a loan for Southwest Airlines flights?

Looking for a loan or flexible payment options when booking flights? Alternative Airlines can help. We've partnered with many of the leading payment plan providers, including Afterpay, Klarna and Affirm. These payment plans work like a traditional loan, by helping you spread the cost over time. In many instances, they our loan options are also interest-free. How does it work? When you make a booking, our payment partners pay us the full cost of your flight tickets. You'll then pay back the cost directly to the payment provider over a set number of instalments. We offer a mix of short-term and longer-term payment plan options.

Trusted globally

Rated Excellent on Trustpilot

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

'Buy Now, Pay Later' Southwest Airlines Flights FAQs

Can I pay for Southwest Airlines flights in instalments?

Of course! Southwest Airlines flights can be paid back in instalments if you select AffirmAfterpayKlarnaPayPal CreditZip as a payment method at checkout. Please note that the availability of these payment methods depends on the country you reside.


Why should I book my Southwest Airlines tickets through Alternative Airlines?

At Alternative Airlines, we offer over 600 airlines, 40+ payment methods across 160+ currencies and a fast, easy and convenient flight booking experience. You can easily find your Southwest Airlines or any alternative flights in seconds.

You can even pre-select your seat, add Cancellation Protection and Lost Baggage insurance to your booking too.