Budget airlines operate on a low-cost model, offering lower base fares while charging for additional services like seat selection, checked baggage, and in-flight refreshments. This approach is popular in Europe, but American travelers often find themselves surprised by the added costs, as the US lacks the extensive, interconnected budget airline networks found in Europe. However, with the right planning and flexibility, these airlines can offer tremendous value, making city hopping for events like the World Cup in 2026 an affordable reality.
Top Budget Airlines in the US
Spirit Airlines
Spirit Airlines is one of the largest and most recognized budget carriers in the United States, known for its ultra-low fares and extensive domestic network. Despite its reputation for minimal services, Spirit has built a loyal customer base. It offers a straightforward pricing model, where everything beyond the seat and a personal item comes at an extra cost. This includes carry-on bags, seat selection, and even water on board. However, travelers who understand and plan for these fees often find the savings worthwhile. Spirit’s planes feature high-density seating, but the newer Airbus A320neo fleet offers a surprisingly modern and efficient flying experience.
Pros:
- Extremely low base fares
- Large route network, including many secondary airports
- Consistently new aircraft fleet
Cons:
- Extensive add-on fees
- Limited legroom and comfort
- Often criticized for customer service

Frontier Airlines
Frontier Airlines, based in Denver, Colorado, shares many similarities with Spirit but markets itself with a slightly more customer-friendly approach. Its signature “Kids Fly Free” program (with the purchase of a Discount Den membership) makes it a popular choice for families. Like Spirit, it relies heavily on ancillary fees, but its branding around wildlife-themed tail art and eco-friendly practices set it apart. However, travelers should be prepared for a no-frills experience, as Frontier also charges for nearly every extra, including seat selection and in-flight snacks.
Pros:
- Low base fares
- Family-friendly programs
- Frequent deals and flash sales
Cons:
- Basic onboard experience
- High fees for extras
- Mixed customer reviews for reliability

Southwest Airlines
Southwest is often considered a standout among budget airlines due to its customer-friendly policies, including two free checked bags, free in-flight refreshments, and no change fees. Unlike its competitors, Southwest operates on a point-to-point network rather than the traditional hub-and-spoke model, which can reduce travel times and missed connections. Its open seating policy, where passengers board in groups and choose their seats upon entering the plane, is unique but can be polarizing for some travelers.
Pros:
- Two free checked bags
- Flexible ticket change policies
- Strong customer service reputation
Cons:
- No assigned seating
- Fares can be higher without early booking
- Limited international routes

JetBlue Airways
Often straddling the line between budget and full-service, JetBlue stands out for its premium amenities, including free Wi-Fi, spacious seating, and complimentary snacks. It offers a more upscale experience compared to traditional low-cost carriers, making it a favorite among frequent flyers. JetBlue’s Mint class, available on select transcontinental routes, rivals the business class of full-service airlines. However, its fares can be higher than other budget options, especially without promotional sales.
Pros:
- High customer satisfaction
- Free Wi-Fi and in-flight entertainment
- More legroom than typical budget carriers
Cons:
- Higher base fares
- Limited route network compared to major carriers

Factors to Consider When Choosing a Budget Airline
When selecting a budget airline, travelers should weigh factors beyond just the ticket price. Consider the following:
- Hidden Fees: Understand the full cost of your trip, including baggage and seat selection fees.
- Route Network: Check if the airline serves your preferred destinations.
- On-Time Performance: Budget carriers can be more susceptible to delays.
- Customer Service: Read recent reviews to gauge passenger satisfaction.
- Flexibility: Consider cancellation policies, especially if your travel plans might change.
Conclusion
Choosing the right budget airline can significantly impact your travel experience, balancing cost savings with comfort and reliability. While Spirit and Frontier dominate the ultra-low-cost market, Southwest and JetBlue offer more comprehensive services without the extreme budget trade-offs. Ultimately, the best choice depends on your priorities, from the lowest possible fare to a more comfortable and flexible flying experience.
For those planning trips around major events like the 2026 World Cup, early booking, understanding each airline’s pricing model, and considering secondary airports can lead to significant savings and smoother journeys.









