Frontier Airlines

4.7
162K reviews
5M+
Downloads
Content rating
Everyone
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About this app

Book flights & check-in with the Frontier app to save time and money!

Travel is easier than ever before with the Frontier Airlines mobile app:

• Book your next trip, search flights, and explore our route map and destinations.
• View and manage upcoming trips.
• Upgrade your seat to UpFront Plus, Premium, or Preferred, or select a standard seat.
• Add a carry-on bag, checked bag, bundle, priority boarding, or other options.
• Check flight status, including departure time, arrival time, and gate information.
• Save time at the airport with fast checked bag drop or by going straight to the gate without checked bags.
• Join Frontier Miles to earn travel miles and elite status points.
• Use your Frontier Miles to book award travel.
• Join Discount Den and get our lowest fares and exclusive savings and offers, including Kids Fly Free (restrictions apply).
Updated on
Jan 19, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Financial info, and App activity
This app may collect these data types
Location, Personal info and 4 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.8
160K reviews
Jeff
January 27, 2026
Frontier sold me a ticket but would not allow me to check-in on my computer. They want to force me to create an App on my phone or pay them money at the ticketing counter at the airport to check-in. This airline is pathetic. They charge extra fees for every little thing. "No change fees" --- only "pay more to change", but that isn't a change fee... "yes, you purchased a ticket; did you also want a seat on the plane? Oh! that's another charge."
13 people found this review helpful
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Dave
January 12, 2026
Update 01/12/25 Still sucks. They still can't figure out how to turn off mandatory check-in for international travel. still says not complete so you end up wasting time to figure why check in wasn't complete. turns out you don't need to for international travel. so hopefully this helps someone else out. never fly them again. I'll pay the extra, that really isn't that extra when u add the hassle.
25 people found this review helpful
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Carla Rodriguez
January 30, 2026
this is the worst travel app ever, it keeps timing out I have to log back in frequently, it keeps telling me to manage my flight to add upgrades after I have checked in, it kicked me out and I had to change my password standing at security, getting to my boarding pass is a headache, I tried to add my trip in the app up until sitting in the plane and it told me I am not booked on the flight WHILE SITTING ON THE PLANE this airline and this app is the toilet of air travel. Never again.
5 people found this review helpful
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What’s new

* We've added Disruption Assistance, a new optional protection you can purchase for more flexibility during unexpected disruptions.
* This release also includes a few improvements to keep the app running smoothly and reliably.