Travel Smart Without Overspending

Flying from Cary, North Carolina doesn’t have to drain your wallet. With Raleigh-Durham International Airport (RDU) just a short drive away, you can tap into an expanding network of low-cost carriers that connect you to vacation hot spots, business hubs, and hidden gems across the United States. Carriers like Spirit, Frontier, Breeze Airways, Allegiant, and Avelo have changed the way locals think about air travel—offering base fares so low they can compete with a tank of gas. But the real savings come when you understand how these airlines operate, what extras you can skip, and when to book.

This guide breaks down the budget airline landscape at RDU, helping you find the most affordable flights, avoid surprise fees, and stretch every dollar. You’ll learn about each airline’s personality, route strengths, hidden costs, and proven strategies to land the cheapest tickets. Whether you’re planning a weekend in Orlando, a quick business trip to Atlanta, or a low-cost escape to a new city, you’ll find actionable tips to make it happen without breaking the bank.

Raleigh-Durham International Airport: The Affordable Gateway

RDU sits roughly 10 miles northeast of downtown Cary, making it the natural launchpad for budget-minded travelers. The airport has two terminals (Terminal 1 and Terminal 2) served by a mix of legacy and low-cost carriers, with a growing emphasis on affordable air service. Parking options range from economy lots to daily garages, and several off-site parking services offer even cheaper rates with shuttle drop-offs—a worthwhile strategy if you’re leaving your car behind.

Inside the terminals, you’ll find enough amenities to grab a quick meal or a coffee before your flight, but the real value is in the flight selection. RDU’s management has actively courted budget airlines, resulting in a steady rise in nonstop routes to leisure destinations. The airport’s official website posts route maps and breaking service announcements, which can give you an early heads-up on new nonstop options. Checking there before you start searching on third-party sites can save you time.

The Core Budget Carriers at RDU

Frontier Airlines

Frontier Airlines operates with a straightforward ultra-low-cost model: the base fare gets you a seat and a personal item that fits under the seat. Everything else—from a carry-on bag to advance seat selection—incurs a fee. For Cary travelers who can pack light and don’t mind a middle seat, Frontier often delivers the lowest sticker price on routes to Florida, the Southwest, and the West Coast.

From RDU, Frontier flies nonstop to cities like Denver, Las Vegas, Miami, Orlando, Philadelphia, and Tampa. Seasonal routes pop up frequently, especially to warm-weather spots. The key to maximizing Frontier is joining their Discount Den program—a paid annual membership that unlocks exclusive low fares and access for kids to fly free on select flights. If you fly even twice a year with a family, the math can work out strongly in your favor.

Watch for their “All You Can Fly” pass promotions, which sometimes offer unlimited flights for a set period; however, those deals usually require extreme flexibility and advance booking. The airline’s aircraft are among the youngest in the industry, with the Airbus A320neo family helping keep fuel costs down and reliability up. Still, changes to your itinerary or adding a carry-on at the airport can double the cost, so always buy add-ons during the initial booking on Frontier’s website.

Spirit Airlines

Spirit Airlines pioneered the “bare fare” model that many travelers love to hate. The base price includes only a personal item; even a standard carry-on suitcase costs extra. Spirit’s seats are slim, and legroom is tight, but if you can travel with just a backpack and pre-purchase your extras online, the total price often undercuts competitors by a wide margin.

From RDU, Spirit offers nonstop service to a solid list of East Coast and Caribbean-adjacent destinations, including Fort Lauderdale, Miami, Orlando, Tampa, and seasonal flights to Cancún. You can also connect through Spirit hubs like Fort Lauderdale to reach Latin America and the Caribbean. To get the best deals, avoid purchasing anything at the airport—online prices for bags and seat assignments are significantly lower. Spirit also runs a “Big Front Seat” option, essentially a domestic first-class-size seat at a fraction of legacy airline prices, which is a smart trick for taller passengers.

Joining the Free Spirit loyalty program isn’t costly and can lead to points redemptions with very low cash co-pays. Spirit’s on-time performance has improved markedly in recent years, though irregular operations can still cause delays, so building in a buffer on either end of your trip is wise. For real-time fare drops, monitor Spirit’s website and sign up for their deal emails.

Allegiant Air

Allegiant Air takes a different approach: it focuses almost exclusively on leisure routes, often operating only a few days per week to each destination. From RDU, Allegiant flies nonstop to a small but appealing set of vacation spots such as Punta Gorda/Fort Myers, Orlando Sanford, and St. Pete-Clearwater in Florida. They occasionally add seasonal service to places like Nashville or New Orleans.

The airline bundles vacation packages—flights plus hotels or car rentals—that can be cheaper than booking components separately. If you’re visiting family or taking a short beach getaway, Allegiant’s pricing can be extremely attractive. However, their schedule is thin; a canceled flight might leave you waiting days for the next one, so this carrier works best for flexible travelers or those with travel insurance.

Allegiant charges for carry-ons, checked bags, and even for printing a boarding pass at the airport. Online check-in and pre-purchasing bags are essential to keep costs down. The airline flies older aircraft, but maintenance and safety records remain strong. For the latest route announcements, check Allegiant’s site directly.

Breeze Airways

Breeze Airways is a relatively new player that specifically targets underserved city pairs with nonstop flights and no change or cancellation fees on many fare types. From RDU, Breeze has quickly built a network of nonstop routes to cities like Charleston, Hartford, New Orleans, Pittsburgh, Providence, and Tampa. The airline uses a mix of Embraer regional jets and Airbus A220 aircraft, with the A220 offering a genuinely comfortable cabin experience with wider seats and large windows.

Breeze’s fare structure has three tiers: “Nice,” “Nicer,” and “Nicest,” with the Nicest option including checked bags and extra legroom—still at a modest price. Even the base Nice fare includes a personal item and allows you to purchase a carry-on or checked bag at reasonable rates. Because Breeze avoids major hubs, you can often fly directly between smaller cities without a connection, saving hours of travel time.

Flexibility is a hallmark; you can cancel or change a flight up to 15 minutes before departure and receive reusable BreezePoints instead of losing value. This makes Breeze a forgiving option for Cary travelers whose plans might shift. Keep an eye on their website for route expansion announcements, as new destinations from RDU appear regularly.

Avelo Airlines

Avelo is the smallest of the budget carriers serving RDU but worth mentioning for its ultra-low introductory fares and focus on convenience. Currently, Avelo offers flights from RDU to a handful of East Coast destinations like New Haven (Connecticut) and Orlando, with the promise of more routes as they grow. The airline operates Boeing 737 aircraft with standard economy seating; there are no first-class cabins or elaborate entertainment, but the low prices and friendly customer service stand out.

Avelo’s fee structure is straightforward: bags and seat selection cost extra, and fee levels depend on whether you pay at booking or later. Joining their Avelo Adventure Club has occasionally granted exclusive deals. Because Avelo is still expanding, route maps change frequently, so sign up for their newsletter if you want to catch introductory $19 fares before they sell out.

Comparing Airfares: Finding the Real Bottom Line

Sticker prices can be deceptive when you fly budget airlines. A $29 one-way fare can become $89 once you add a carry-on bag and choose a seat. To compare fairly, always build your trip on a booking site like KAYAK or Google Flights, but then finalize your purchase directly on the airline’s site to avoid third-party booking fees. For the most apples-to-apples view, add any necessary extras—like one carry-on and a checked bag—before comparing the final total against a standard airline like Southwest, which includes two free checked bags.

Often, the ultra-low-cost carriers win for travelers flying solo with only a personal item. For families checking luggage, Southwest might become more competitive, especially when factoring in its no-change-fee policy. Mixing and matching airlines for outbound and return legs on a round trip can sometimes unlock savings, but be aware that booking two one-ways on budget carriers might expose you to separate change/cancel penalties if plans shift.

Hidden Costs and How to Dodge Them

Budget airlines profit heavily from ancillary fees. Knowing the big ones can save you from a price shock at the airport.

  • Carry-on bags: Frontier, Spirit, and Allegiant all charge for full-size carry-ons. One exception: Breeze and Avelo typically allow a personal item free but charge for overhead bin bags. A well-packed 18x14x8-inch personal item (backpack or duffel) can often eliminate this fee entirely.
  • Seat selection: If you don’t mind a middle seat, skip seat selection and let the system assign one for free at check-in. Families should weigh whether paying to sit together is worth the cost.
  • Printed boarding passes: Allegiant charges if you print at the airport. Mobile boarding passes are always free—download yours before you arrive.
  • Overweight luggage: Weight limits can be lower on budget carriers, sometimes 40 pounds instead of 50. Check the airline’s policy and weigh your bag before you leave home.
  • Payment processing fees: Some carriers charge a fee for paying by credit card online, though this is becoming rarer. Debit cards or pre-paid options can occasionally sidestep this.

When to Book and Travel for the Lowest Prices

From Cary, the cheapest months to fly are typically late January through early March and late August through early October, when school is in session and demand drops. Midweek departures—especially Tuesday and Wednesday—almost always yield lower fares than Friday or Sunday. Flights at inconvenient times, like early morning or late night, are also discounted more heavily.

Set up price alerts on Google Flights for the routes you care about. When you see a price drop, book directly; budget airline fares rarely hold for long. For Frontier and Spirit, the lowest prices often appear about 4–8 weeks before departure, but during sales, booking 2–3 months ahead can lock in rock-bottom rates. Breeze and Avelo frequently offer promotional codes for new routes, so following them on social media can uncover flash sales.

One insider tactic: after booking a cheap flight, keep checking the price. If it drops significantly, some airlines (especially Breeze) let you cancel and rebook for a credit. Others might offer a price match in the form of a voucher. While budget carriers rarely refund the difference in cash, a credit can cover a future trip.

Top Destinations You Can Reach Affordably

Budget airlines from RDU open doors to a wide geographic spread. Here are a few standout routes where you can find frequent deals:

  • Florida getaways: Orlando, Tampa, Miami, Fort Lauderdale, and Punta Gorda are served by practically every low-cost carrier. Whether you’re headed to Disney, the beaches, or a cruise port, competition keeps prices low.
  • Northeast connections: Breeze flies to Hartford and Providence; Avelo connects to New Haven. These are great for visiting family or exploring New England without the high fares of legacy carriers.
  • Southern charm: Nonstop hops to Charleston, Nashville, and New Orleans let you enjoy a long weekend of music and food without a long drive.
  • Mountain and desert escapes: Frontier’s Denver and Las Vegas routes open up the West. Connecting through Denver can also get you to smaller ski towns inexpensively.
  • Caribbean and international: Spirit offers seasonal Cancún flights; Breeze has experimented with international too. While not yet extensive, low-cost international options are expected to grow from RDU.

Loyalty Programs Worth Joining

If you fly more than once a year, signing up for each airline’s free loyalty program can yield benefits like faster boarding, occasional fee waivers, and the ability to earn points toward free flights. Spirit’s Free Spirit program, Frontier’s FRONTIER Miles, and Breeze’s BreezePoints all let you accumulate value with every dollar spent. Even Allegiant’s myAllegiant system tracks your trips and occasionally tosses out a discount.

For real savings, consider a co-branded credit card only if you fly that airline frequently enough to offset the annual fee. For most Cary leisure travelers, sticking with a flexible cash-back card and using it to pay for flights is simpler and avoids tying you to a single carrier’s limited schedule.

Packing Strategies for Budget Travelers

Mastering the personal-item-only strategy can save you $30–$60 per flight. Most budget airlines define a personal item as something like a backpack, purse, or laptop bag that fits under the seat. With compression packing cubes and a minimalist wardrobe, a weeklong trip is achievable in a 30-liter bag. Choose soft-sided luggage that can squeeze into sizers; an overstuffed rigid backpack can fail the test.

If you must bring more, compare the cost of a carry-on against checking a bag—sometimes a checked bag is cheaper than a carry-on on Spirit and Frontier. Also, wear your bulkiest shoes and jacket on the plane. Investing in a portable luggage scale (under $15) prevents overweight bag fees that can outweigh the cheap fare savings.

Combining Budget Airlines with Ground Transportation

RDU offers a cell phone lot and ride-share pickup zones, but parking can eat into your savings if you’re gone for more than a few days. Off-site parking lots with shuttle service, like Fast Park & Relax, often run $5–$7 per day with coupons, significantly less than on-airport economy lots. Alternatively, using a GoTriangle bus or a one-way rental car can drop you off at the terminal for minimal cost.

At your destination, budget airlines sometimes land at secondary airports farther from downtown (e.g., Orlando Sanford instead of Orlando International). Make sure you factor in the cost and time of ground transportation to your final stop. A cheaper flight that requires a $60 Uber might erase the fare advantage.

What to Expect Onboard and During Disruptions

Seats on ultra-low-cost carriers are narrower and have less pitch than those on legacy airlines. Bring your own entertainment, snacks, and a refillable water bottle (empty through security, fill at the gate). Onboard purchases are pricey, so eating beforehand or carrying a sandwich is wise. Most budget airlines now have Wi-Fi available for a fee, but streaming quality varies.

When weather or mechanical issues cause cancellations, budget carriers have fewer alliance partners and less ability to rebook you on another airline. They will typically rebook you on their next available flight, which could be days later. Travel insurance with trip interruption coverage is a smart investment for critical trips; some credit cards include this benefit if you use them to purchase the ticket.

Despite the extra legwork, Cary residents who take the time to learn the ins and outs of budget airlines can enjoy reliable, dirt-cheap flights that make weekend getaways and cross-country hops accessible on any budget. The key is treating the low fare as a starting point and building only the extras you truly need around it.