Book Frontier Airlines flights (F9)

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Top Flight Deals

Prices were available within the past 7 days and start at $20 for one-way flights and $40 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Dec 16 - Thu, Dec 18
LAX
Los Angeles
LAS
Las Vegas
$40 Roundtrip, just found
$40
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Dec 16 from Los Angeles to Las Vegas, returning Thu, Dec 18, priced at $40 just found
Frontier Airlines
Tue, Jan 13 - Wed, Jan 14
LAX
Los Angeles
SFO
San Francisco
$48 Roundtrip, just found
$48
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jan 13 from Los Angeles to San Francisco, returning Wed, Jan 14, priced at $48 just found
Frontier Airlines
Mon, Mar 2 - Tue, Mar 3
LAX
Los Angeles
LAS
Las Vegas
$48 Roundtrip, just found
$48
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Mar 2 from Los Angeles to Las Vegas, returning Tue, Mar 3, priced at $48 just found
Frontier Airlines
Tue, Dec 9 - Sat, Jan 10
LAX
Los Angeles
LAS
Las Vegas
$52 Roundtrip, found 3 days ago
$52
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Dec 9 from Los Angeles to Las Vegas, returning Sat, Jan 10, priced at $52 found 3 days ago
Frontier Airlines
Mon, Feb 16 - Wed, Feb 18
LAX
Los Angeles
LAS
Las Vegas
$53 Roundtrip, just found
$53
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Feb 16 from Los Angeles to Las Vegas, returning Wed, Feb 18, priced at $53 just found

Trending Frontier Airlines Flights

Prices were available within the past 7 days and start at $20 for one-way flights and $40 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Feb 9 - Wed, Feb 11
JFK
New York
SJU
San Juan
$105 Roundtrip, found 2 hours ago
$105
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Feb 9 from New York to San Juan, returning Wed, Feb 11, priced at $105 found 2 hours ago
Frontier Airlines
Sun, Jan 11 - Fri, Jan 16
BOS
Boston
SJU
San Juan
$105 Roundtrip, found 2 hours ago
$105
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Jan 11 from Boston to San Juan, returning Fri, Jan 16, priced at $105 found 2 hours ago

Frontier Airlines Flights on Expedia.com

Search Expedia for the very best selection of Frontier Airlines flights to whatever destination you're headed. Frontier Airlines and Expedia have teamed up to provide you with great discount airfares and flexible departure and arrival times to make your trip a truly comfortable, affordable, and memorable experience. Fly with Frontier Airlines today to see the difference.

Frontier Airlines is a valued partner of Expedia, and we work together to provide you with all the tools you need to book your next Frontier Airlines flight. From last-minute flights to flights planned ahead, Frontier Airlines has a huge inventory of cheap flights to help you save even more. Fly with style and comfort with Frontier Airlines, and rest assured that all your flight needs are taken care of, making your travel experience as good as it can be. All Frontier Airlines flights offer expansive routes to your destination and provide you with flexible departure and arrival times giving you more selection than ever before. And by booking with Expedia, you have access to online tools to help you plan the best trip, from fare alerts, to calendar tools and more; use these to help book the best Frontier Airlines flight you can find. If you need additional assistance, Expedia Customer Service Representatives are available 24 hours a day to help you with any questions when booking your Frontier Airlines flights. Frontier Airlines and Expedia are here to ensure you travel with the confidence that you have the best flight at the very best price.

Airline Information

Airline Name
Frontier Airlines
Airline Code
F9
Roundtrip price
from $40

Frequently asked questions

Can I fly from the US on Frontier Airlines?
Yes. Frontier is a U.S.-based airline with a broad domestic network and international routes. For example, you can book a flight to Mexico, Central America, and the Caribbean.
Where does Frontier Airlines fly to?
Frontier Airlines operates an extensive network of flights across the United States and internationally, offering budget-friendly travel options to a variety of destinations. Search for Frontier Airlines deals to popular locations like:
  • Denver (DEN)
  • Orlando (MCO)
  • Las Vegas (LAS)
  • Atlanta (ATL)
  • Philadelphia (PHL)
  • Dallas/Fort Worth (DFW)
  • Miami (MIA)
  • Chicago Midway (MDW)
  • Phoenix (PHX)
  • Charlotte (CLT)
  • Cancun (CUN)
  • San Juan (SJU)
  • Montego Bay (MBJ)
  • Punta Cana (PUJ)
  • Guatemala City (GUA)
  • San Jose (SJO)
  • Nassau (NAS)
Can I earn Frontier miles with Expedia?
Yes. You can earn Frontier Miles on eligible flights when you enter your frequent flyer number at checkout or check-in. You can also earn OneKeyCash™ on qualifying Frontier Airlines bookings if you're a One Key™ member to save more on your next trip.OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
How much is carry-on for Frontier Airlines?
When you fly Frontier Airlines, the carry-on allowance depends on your fare type:
  • Basic Fares: Carry-on is not included. You must purchase carry-on separately unless booking a bundle or higher fare
Size and weight must comply with cabin limits or it will be gate-checked.
What size carry-on is allowed on Frontier Airlines?
With your Frontier Airlines flight booking, your carry-on items must meet the following size requirements:
  • One carry-on bag that must not exceed 24 x 16 x 10 inches (61 x 41 x 25 cm), including wheels and handles
How much are checked bags on Frontier Airlines?
Checked baggage depends on the type of Frontier Airlines booking you make:
  • Basic Fares: Checked baggage is not included
  • Prices vary based on when and how you purchase (cheapest during booking)
  • Standard checked bag allowance: 50 lbs (23 kg) and 62 inches (157 cm) total dimensions
Overweight and oversized baggage incur additional fees.
Do you have to pay for seat selection on Frontier Airlines?
Seats are assigned for free at check-in with a Frontier Airlines reservation. Alternatively, you can pay to choose your seat in advance. Extra legroom and front-row seats are available for an additional fee and Bundle fares may include seat selection.
How far in advance can you check in with Frontier Airlines?
For your Frontier Airlines flight, online check-in opens 24 hours before departure and closes 60 minutes prior. Airport check-in counters open two to three hours before flight time. Early arrival is essential at busy airports, especially when checking bags.
What kind of airline is Frontier Airlines?
Frontier Airlines is a prominent ultra-low-cost carrier based in the United States, headquartered in Denver, Colorado. It operates a substantial domestic and international network, serving approximately 120 destinations across the U.S., Caribbean, Mexico, and Central America . Unlike regional carriers that operate flights on behalf of major airlines, Frontier Airlines manages its own operations and routes.
Is Frontier Airlines a good airline to fly with?
Many travelers who fly Frontier Airlines appreciate its affordability and extensive domestic network, making it a viable option for budget-conscious travelers seeking to reach destinations across the United States. While the airline's ultra-low-cost model means that amenities such as free refreshments and seat selection are not included, passengers often find that the savings on ticket prices offset these trade-offs.
What type of planes does Frontier Airlines fly?
Frontier Airlines operates a modern fleet of Airbus A320 family aircraft, including the A320, A320neo, and A321 models.
Does Frontier Airlines have First or Business Class?
No. Frontier Airlines tickets are for Economy Class only. However, you can upgrade your experience with The Works or Perks bundles (which include carry-on, checked bag, seat selection, and refundability), stretch seating with extra legroom and priority boarding.
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