Don't forget Frontier is a budget airline. There are charges for all the little things, such as picking your seat. The cost to reserve a standard seat ranges from $6 to $15 in each direction. Though, there are often a handful of seats without a reservation fee. If you're flying cheap, you can skip that process and just get assigned a seat at the airport.
The airline also charges $35 for a piece of checked luggage or a full-size carry-on if you purchase online in advance of your flight. The fee for baggage goes up if you purchase the day of your flight.
But even with all these fees, there are still cheap flights to be had. In the above example, with a full-size carry-on or one piece of checked luggage in both directions, the total is just $124.62. If you're a flexible traveler willing to travel light, you're likely to find a good deal.
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