Traveling by air has become more accessible than ever, thanks to low-cost carriers that offer budget-friendly options without compromising on quality and convenience. Whether you’re planning a domestic getaway or an international adventure, these budget airlines make it easier for travelers to fly without breaking the bank. Here’s a roundup of the top 10 best low-cost and cheap airlines in 2025 that offer affordable fares while maintaining a great travel experience.
1. Southwest Airlines
Best For: Domestic Travel in the U.S.
Southwest Airlines is one of the most popular low-cost airlines in the United States, known for its affordable fares, free checked bags, and no change fees. Southwest offers a wide range of domestic routes, with great service and frequent flight options. The airline’s simple pricing structure, friendly staff, and generous baggage policy make it an excellent choice for budget-conscious travelers.
Key Features:
- Two free checked bags per passenger
- No change or cancellation fees
- Generous rewards program
- Comfortable seating and great customer service
2. Ryanair
Best For: Budget European Travel
Ryanair is Europe’s largest low-cost carrier, offering flights to over 30 countries. Known for its ultra-budget fares, Ryanair frequently runs promotions with prices as low as €5, making it an excellent option for travelers looking to explore Europe without spending much. However, Ryanair’s low prices come with strict policies on baggage and seat selection, so it’s essential to check the fine print.
Key Features:
- Extremely low fares on European routes
- Frequent promotions and sales
- Extensive network across Europe
- Extra charges for baggage and seat selection
3. EasyJet
Best For: Low-Cost European and International Flights
EasyJet is another major European budget airline, offering affordable flights to hundreds of destinations across Europe and beyond. Known for its reliable service, easy-to-navigate website, and extensive network, EasyJet is ideal for travelers seeking affordable tickets to major European cities. The airline also offers a great rewards program and a mobile app for easy booking and check-in.
Key Features:
- Affordable international and European routes
- Easy-to-use website and mobile app
- Flexibility for changing flights
- Frequent flyer rewards program
4. Spirit Airlines
Best For: Ultra-Low-Cost Domestic and International Flights in the U.S.
Spirit Airlines is famous for offering some of the lowest fares in the U.S. and to international destinations. While the airline charges for additional services like checked bags and seat selection, the base fare is often lower than most competitors. Spirit’s “Bare Fare” allows travelers to pay only for the flight, making it ideal for those willing to forgo extra perks.
Key Features:
- Ultra-low base fares
- Additional fees for baggage, seats, and food
- Frequent promotions and sales
- Option for “bundle” pricing for added services
5. JetBlue Airways
Best For: Budget-Friendly Flights with Extra Comfort
JetBlue is one of the most popular low-cost carriers in the U.S., known for offering great value for money. While it’s slightly more expensive than some other budget airlines, it makes up for it with added amenities like free Wi-Fi, extra legroom, and complimentary snacks. JetBlue operates on both domestic and international routes, making it an excellent choice for a comfortable yet affordable flight.
Key Features:
- Free in-flight Wi-Fi and snacks
- Spacious legroom and comfortable seating
- Great customer service and rewards program
- Affordable international and domestic flights
6. Wizz Air
Best For: Budget Travel in Central and Eastern Europe
Wizz Air is a Hungarian low-cost airline that has expanded rapidly in recent years, serving over 150 destinations across Europe, the Middle East, and North Africa. Wizz Air’s fares are often lower than many traditional European carriers, but like Ryanair, the airline charges for extras like baggage and seat selection. It’s an excellent option for those traveling within Eastern Europe or to popular tourist destinations.
Key Features:
- Ultra-low fares for European and international flights
- Extensive network within Central and Eastern Europe
- Additional charges for baggage and seat selection
- Great for travelers seeking budget travel to popular destinations
7. AirAsia
Best For: Affordable Flights Across Asia and Australia
AirAsia is one of Asia’s leading low-cost carriers, offering an extensive network across Southeast Asia, Australia, and even to the Middle East. With its affordable fares and great service, AirAsia has become a top choice for travelers looking for cheap flights across the region. The airline also offers a variety of extras like meals, baggage, and seat selection at an additional cost.
Key Features:
- Low-cost flights within Asia and Australia
- Easy-to-navigate booking system
- Extra charges for baggage, meals, and seat selection
- Affordable long-haul flights
8. Allegiant Air
Best For: Domestic U.S. Travel and Vacation Packages
Allegiant Air offers low-cost flights to popular vacation destinations in the U.S., including cities in Florida, Nevada, and California. Allegiant is known for providing budget-friendly options to travelers heading to vacation hotspots. The airline also offers vacation packages, making it easier for travelers to book their entire trip at a discount.
Key Features:
- Affordable flights to vacation destinations
- Vacation package deals
- Additional fees for services like baggage and seat selection
- Frequent flights to popular tourist spots
9. Volaris
Best For: Budget Flights in Mexico and Central America
Volaris is one of Mexico’s top low-cost carriers, offering affordable flights within Mexico and to various destinations in the U.S. and Central America. Known for its budget-friendly pricing, Volaris allows passengers to customize their experience with add-ons such as baggage and seat selection. It’s a fantastic option for travelers looking to explore Latin America at an affordable price.
Key Features:
- Low-cost flights within Mexico and to nearby destinations
- Customizable add-ons for a personalized experience
- Affordable domestic and international flights
- Focus on Central American routes
10. Frontier Airlines
Best For: Budget Domestic Flights in the U.S.
Frontier Airlines offers ultra-low-cost domestic flights across the U.S. The airline’s “Basic Fare” lets passengers pay for just the flight, with add-ons like baggage, seat selection, and food available for an additional fee. Although Frontier’s service is no-frills, it is an excellent option for travelers looking for affordable flights on short domestic routes.
Key Features:
- Extremely low base fares
- Additional charges for extras like baggage and seating
- Routes to major U.S. cities and vacation destinations
- Great for short domestic flights
Conclusion
Low-cost airlines are a great way to save money on your next flight without sacrificing convenience. Whether you’re traveling within the U.S., across Europe, or throughout Asia, these budget-friendly carriers offer a wide range of options to suit your needs. From ultra-low-cost carriers like Spirit and Ryanair to more comfortable choices like JetBlue and AirAsia, these airlines provide affordable flights while keeping quality service at the forefront. By comparing prices and carefully selecting the right airline for your destination, you can fly affordably and still enjoy a comfortable and enjoyable journey.