Cheap Frontier Airlines (F9) Flight Reservations & Booking Flights

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Top Flight Deals

Prices were available within the past 7 days and start at for one-way flights and SAR381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tuesday, 25 August, 2026 - Friday, 28 August, 2026
LAX
Los Angeles
LAS
Las Vegas
SAR381 Roundtrip, found 2 days ago
SAR381
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tuesday, 25 August, 2026 from Los Angeles to Las Vegas, returning Friday, 28 August, 2026, priced at SAR381 found 2 days ago
Frontier Airlines
Tuesday, 25 August, 2026 - Sunday, 30 August, 2026
LAX
Los Angeles
LAS
Las Vegas
SAR527 Roundtrip, found 2 days ago
SAR527
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tuesday, 25 August, 2026 from Los Angeles to Las Vegas, returning Sunday, 30 August, 2026, priced at SAR527 found 2 days ago
Frontier Airlines
Saturday, 22 August, 2026 - Tuesday, 25 August, 2026
LAX
Los Angeles
LAS
Las Vegas
SAR602 Roundtrip, found 2 days ago
SAR602
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Saturday, 22 August, 2026 from Los Angeles to Las Vegas, returning Tuesday, 25 August, 2026, priced at SAR602 found 2 days ago
Frontier Airlines
Friday, 28 August, 2026 - Sunday, 30 August, 2026
LAX
Los Angeles
LAS
Las Vegas
SAR643 Roundtrip, found 2 days ago
SAR643
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Friday, 28 August, 2026 from Los Angeles to Las Vegas, returning Sunday, 30 August, 2026, priced at SAR643 found 2 days ago
Frontier Airlines
Saturday, 22 August, 2026 - Friday, 28 August, 2026
LAX
Los Angeles
LAS
Las Vegas
SAR718 Roundtrip, found 2 days ago
SAR718
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Saturday, 22 August, 2026 from Los Angeles to Las Vegas, returning Friday, 28 August, 2026, priced at SAR718 found 2 days ago
Frontier Airlines
Sunday, 23 August, 2026 - Sunday, 30 August, 2026
LAX
Los Angeles
LAS
Las Vegas
SAR865 Roundtrip, found 2 days ago
SAR865
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sunday, 23 August, 2026 from Los Angeles to Las Vegas, returning Sunday, 30 August, 2026, priced at SAR865 found 2 days ago

Trending Frontier Airlines Flights

Prices were available within the past 7 days and start at for one-way flights and SAR381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Monday, 24 August, 2026 - Saturday, 29 August, 2026
LAX
Los Angeles
MEX
Mexico City
SAR1,602 Roundtrip, found 1 day ago
SAR1,602
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Monday, 24 August, 2026 from Los Angeles to Mexico City, returning Saturday, 29 August, 2026, priced at SAR1,602 found 1 day ago
Frontier Airlines
Wednesday, 19 August, 2026 - Saturday, 29 August, 2026
LAX
Los Angeles
MEX
Mexico City
SAR1,640 Roundtrip, found 1 day ago
SAR1,640
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wednesday, 19 August, 2026 from Los Angeles to Mexico City, returning Saturday, 29 August, 2026, priced at SAR1,640 found 1 day ago
Frontier Airlines
Monday, 24 August, 2026 - Monday, 31 August, 2026
LAX
Los Angeles
MEX
Mexico City
SAR1,685 Roundtrip, found 1 day ago
SAR1,685
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Monday, 24 August, 2026 from Los Angeles to Mexico City, returning Monday, 31 August, 2026, priced at SAR1,685 found 1 day ago
Frontier Airlines
Monday, 24 August, 2026 - Friday, 28 August, 2026
LAX
Los Angeles
MEX
Mexico City
SAR1,799 Roundtrip, found 1 day ago
SAR1,799
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Monday, 24 August, 2026 from Los Angeles to Mexico City, returning Friday, 28 August, 2026, priced at SAR1,799 found 1 day ago

Frequently asked questions

How do I find cheap Frontier Airlines flights that have flexible change policies?
To snap up bargain Frontier Airlines flights with flexible change policies, select the No change fee filter when your search results appear. There's no penalty to change your flight if something unexpected happens. You'll only have to pay the fare difference, if the new flight costs more.
Which destinations does Frontier Airlines fly to?
Frontier Airlines makes it easy to experience different parts of the world by serving around 86 destinations in Caribbean, North America and Mexico and Central America. You can book a flight to top cities like Colorado Springs and Albuquerque. Find incredible Frontier Airlines flight deals on Expedia and spend your extra dough on sightseeing activities.
Why fly with Frontier Airlines?
A rewarding loyalty program is just one of the reasons passengers love to fly with Frontier Airlines, which is based out of Denver Intl. Airport (DEN). This well-known carrier operates a fleet of around 112 aircraft that can take you to some of the most interesting destinations around. Find an impressive Frontier Airlines flight deal with Expedia and start planning your next vacation.
How can I get a cheap last-minute Frontier Airlines flight on Expedia?
It's time to be impulsive and take off on a spur-of-the-moment travel adventure. You can snap up fantastic deals on last-minute Frontier Airlines flights if you're flexible with your dates. Browse our great last minute flights deals for some travel inspiration or enter your preferred trip dates and compare the deals on Frontier Airlines flights.
How can Expedia help with my Frontier Airlines booking?
We're here for you every step of the way, from helping you hunt for epic deals to helping you locate the right baggage carousel. Lock in your cheap Frontier Airlines flights with Expedia via our free app. Check in, review your flight status and manage your booking easily with this handy pocket-sized travel companion. The Expedia App also gives you real-time alerts about any gate changes and flight delays, and even which carousel to collect your bags from.
Can I earn and redeem miles with my Frontier Airlines flight?
Frontier Miles is Frontier Airlines's rewards program, where you can accumulate points through credit card purchases, renting a car, booking hotels, and purchasing flights. If you're a member of Frontier Miles, you may be able to earn points when reserving your airline tickets through Expedia. Scroll to your loyalty program when you reach the checkout page and enter your membership number Members of One Key™, our free travel rewards program, to find out if you're eligible. On top of their airline miles, also earn OneKeyCash™* which can be used on future travel. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Does Frontier Airlines fly internationally?
Operating across Mexico, Puerto Rico, Dominican Republic and Sint Maarten, Frontier Airlines makes it a breeze to explore the world. That's just a taste of the destinations you can go with this carrier, which is headquartered in Denver. Expedia will help you track down fantastic Frontier Airlines flight deals — and add a few more stamps to your passport.
How can I check in for Frontier Airlines flights?
The simplest way to check in for your next flight is through the Frontier Airlines website or Frontier Airlines app. You can also choose your seat and manage your reservation by using these platforms. For most domestic fares, online check in is open from 1 day until 45 minutes prior to departure. For overseas flights, this time frame is normally between 1 day and 1 hour. Check in for your flight in advance and skip any long queues at the airport!