Flying with Allegiant Air soon? Avoid airport waits and enjoy a smooth start to your trip with Allegiant’s Web Check-In. Whether you're departing for a family vacation or a quick weekend getaway, checking in online lets you confirm your booking, pick a seat, and get your boarding pass right from your phone or computer.
In this guide, you’ll learn how Allegiant Air's online check-in works, when to use it, what baggage policies apply, and answers to some of the most commonly asked questions.
What is Allegiant Air Web Check-In?
Allegiant Air Web Check-In is a simple and fast way to check in online before your flight departs. Available from 24 hours up to 45 minutes before departure, Allegiant’s online check-in service saves time by letting you handle boarding essentials without waiting in line at the airport.
What you can do during web check-in:
- View or change your seat assignment
- Purchase bag options (carry-ons or checked)
- Check travel documents and trip status
- Print or download your boarding pass
- Save time with contactless check-in
You can choose to check in online via Allegiant's website or the Allegiant mobile app.
Allegiant Online Check-In Timings
To check in smoothly, it's helpful to follow the timeline below:
| Flight Type | Web Check-In Opens | Web Check-In Closes |
|---|---|---|
| All Domestic Flights | 24 hours before departure | 45 minutes before departure |
Allegiant Air recommends you arrive at the airport at least 2 hours before departure to allow enough time for baggage checks and security screening. Boarding gates close 15 minutes prior to departure.
How to Check In Online with Allegiant Air
It takes just a few minutes to check in online. Follow these step-by-step instructions:
- Visit the official site: https://www.allegiantair.com
- Click “Manage Travel” and then choose “Check In”
- Enter your confirmation number and last name to retrieve your reservation
- Review and modify your seat selection or baggage (if needed)
- Confirm your check-in and download or email your boarding pass
You can also install the Allegiant mobile app to perform all these steps from your smartphone.
Allegiant Web Check-In Feature Table
| Feature | Web Check-In Availability |
|---|---|
| Seat Selection (Buy or change) | Yes |
| Add Checked or Carry-On Baggage | Yes |
| Boarding Pass (Download/Print) | Yes |
| Mobile Boarding Pass | Yes (with Allegiant app) |
| Infant Check-In | No – must check in at airport |
| Check-In with Special Services | No – must visit ticket counter |
Allegiant Air Baggage Policy
Low base fares mean baggage is not included in Allegiant's standard ticket. Passengers are encouraged to customize their travel options, and more affordable prices for baggage are typically available during booking or check-in online.
Personal Item – Included
- One personal item included in every fare (e.g., purse, laptop bag)
- Must fit under the seat in front of you
- Max dimensions: 7 x 15 x 16 inches
Carry-On Bag – Paid
- One carry-on allowed if purchased in advance
- Max dimensions: 9 x 14 x 22 inches
- Must fit in the overhead bin
Pricing varies by route and when you purchase. To save, add your carry-on during booking or online check-in.
Checked Baggage
| Baggage Option | Cost Range (Approximate) |
|---|---|
| During Booking | $20–$35 per bag |
| During Check-In | $45–$50 per bag |
| At Airport Counter | $70+ per bag |
| Overweight Fees | Starts at $50 per bag |
| Oversized Fee | $75+ based on dimensions |
Standard baggage weight limit is 40 lbs. Bags over the limit incur overweight charges.
Pro Tip: The earlier you add baggage, the more you save.
Allegiant Air Check-In: Frequently Asked Questions (FAQs)
A. Allegiant's web check-in opens 24 hours before scheduled departure and closes 45 minutes prior to takeoff.
A. Once you've checked in online, you can download and print your boarding pass or save a mobile version using the Allegiant app.
A. Yes, passengers can use the Allegiant mobile app for contactless check-in and to receive their mobile boarding pass.
A. Yes, you can view and select available seats during the check-in process. There may be additional fees depending on the seat type.
A. You can still check in at the Allegiant ticket counter at the airport, though fees may apply if you need agent assistance for boarding pass printing.
A. Yes, you can purchase both carry-on and checked baggage during the online check-in process at lower rates than at the airport.
A. Printing a boarding pass with a customer service agent at the airport may carry a fee. Use the self-serve kiosk or digital check-in to avoid this.
A. Web check-in is not available for infants, passengers with pets, or those requiring special services. These travelers must check in at the airport.
A. No. If you do not select a seat, one will be randomly assigned at no additional cost. However, you cannot choose your location or sit with your travel companions.
A. Even with online check-in, passengers must comply with baggage drop-off deadlines and boarding times. Late arrival may result in denial of boarding.
Why Use Allegiant Web Check-In?
Allegiant Air Web Check-In saves time and helps you avoid unnecessary fees. Here’s why checking in online is a smart move:
- Access your boarding pass early
- Avoid long lines at the airport
- Lock in better prices for baggage and upgrades
- Choose your preferred seat (optional)
- Enjoy a fast, easy, and contact-free process
Start Allegiant Check-In Now
Begin your online check-in here:
https://www.allegiantair.com/manage-travel
