Automatic check-in for Aerolineas Sosa

Automated online check-in with 1Checkin for Aerolineas Sosa or any other airline! Just forward your booking confirmation to p4@1check.in, information will be extracted automatically, and your upcoming check-in scheduled.
Your boarding passes will be available in the app or via email.

Forward your Aerolineas Sosa booking and we do your online and web check-in the moment it opens — best seat, boarding pass in the app.

How it works

  1. Forward your Aerolineas Sosa booking to p4@1check.in
  2. We do your web check-in the moment it opens
  3. Get your boarding pass — seat secured
Apple App Store Google Playmarket

Useful information about Aerolineas Sosa online check-in.


Never get stuck in the middle seat

1Checkin means pre-trip peace of mind. You’ll get checked-in automatically as soon as online check-in opens, regardless where you are in the world, even if you are offline. Manage and track all your flights, and access your boarding passes in one place.

Automated check-in Manage upcoming flights Works offline Set your seat preferences Track your flights

Automated check-in

Works for all airlines *

Get checked-in before anybody else, and increase your chances of snapping your favorite seat(s)! *Learn more

Manage upcoming flights

All flight information stored in one place

View all your upcoming flights and get all boarding passes within one app.

Works offline

Perfect for when you’re abroad

Weak or no connection while travelling? 1Checkin checks you in regardless, and you can get your boarding pass at the next wifi hotspot.

Set your seat preferences

Always fly in comfort

Get your preferred seat, or get seated together with friends, colleagues, or family!

Track your flights

Complete flight overview in one tap

1Checkin flight stats give you an overview of all your past flights and distances covered!

Sign up!

Aerolineas Sosa check-in — questions answered

How do I do Aerolineas Sosa web check-in?
Forward your booking to p4@1check.in and 1Checkin does your Aerolineas Sosa online and web check-in automatically when it opens, then emails your boarding pass.

When does Aerolineas Sosa check-in open and close?
See the check-in window above — we check you in the moment Aerolineas Sosa check-in opens.

Can I choose my seat on Aerolineas Sosa?
Set your seat preferences and we'll secure your preferred seat whenever free seat selection is available on Aerolineas Sosa.

How do I get my Aerolineas Sosa boarding pass?
We email it and store it in the app — available offline too.

Send your Aerolineas Sosa booking to p4@1check.in and get checked in automatically.

Sign up!

Check it out!

Download our app today and let 1Checkin manage your next flight’s check-in

Apple App Store Google Playmarket
We use cookies to continuously improve your experience on our website. By using default settings during your visit, you are approving the use of cookies. More information.

Sign up

This email is already registered. Please sign in to continue
Please try again

Confirm email

We have sent you an email with a confirmation link. Please check your inbox and confirm your email address to complete your purchase



PCI DSS Comodo
certified and secured transactions



We have sent you an email with a confirmation link. Please check your inbox and confirm your email address to complete your sign-up.

1
enter email
 2
confirm email
 3
pay
 3
add payment details
3
you're all set

Set up reminder

We will send you a reminder 48h prior to your flight!

This email is already registered. Please sign in to continue
Please try again

Confirm email



We have sent you an email with a confirmation link. Please check your inbox and confirm your email address to complete your sign-up.

1
enter email
 2
confirm email
3
be notified