Frontier Airlines

4.5
131K 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
Aug 19, 2025

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

4.5
129K reviews
Mikaela Burton
June 20, 2025
When adding checked baggage to my departure flight, the app asked if I wanted to add the same to my return flight. I said yes, and it reflected on my booking details. I confirmed this several times because I didn't want to be charged a higher fee at the airport. I got to the airport and suddenly it's not in my booking and the desk agent didn't see it either. And I had to go online, not the app, to re-add the bag. Useless and frustrating, just like Customer Service.
62 people found this review helpful
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Vlad Abashyn
July 1, 2025
Missed my flight because the app failed to issue a boarding pass and there was almost no help. I reinstalled and restarted the app - still nothing. A rep blamed me for being late, claiming I didn't hit the check-in button in time, even though I did. After rebooking (Frontier even tried to make me pay the fare difference), I still couldn’t get the boarding QR for the next flight more than 12 hrs prior - thankfully it finally worked on an iPad. Just terrible!
35 people found this review helpful
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Morgan Mumaw
July 20, 2025
I like frontier as I cam fly cheaper, but this app is unusable 90% of the time! I've tried updating it, using the website and I'm always struggling to get everything to load or stay loaded. it's so buggy and I can never stay logged into my account. it would be great if the bugs could be worked out. it's so laggy and when I had a 4 hour layover, the gate kept changing but the app wouldn't update me on the changes. I have no issue with the airline but this app is terrible.
22 people found this review helpful
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What’s new

We’ve resolved several issues to ensure smoother performance and a more reliable experience.
As always, we’re continuously working behind the scenes to enhance your experience.