Low-cost carriers, also called low-cost or budget airlines, are airlines that offer lower fares—and fewer amenities—than traditional full service airlines.
While a lower price is one difference, it's not the only difference, and low fares alone don't mean an airline is a low-cost carrier. Many of the differences actually relate to how the airline operates.
On low-cost carriers, there is often only one class of service instead of the typical division of economy, premium economy, business, and first class (while some, like Norwegian, offer a premium class in addition to economy). Many budget airlines also only have one type of airplane in their fleet, thereby reducing the training required for the crew, and some fly into secondary airports in busy cities rather than the most popular (and therefore more expensive) airports.
Most low-cost carriers don’t have alliances and they use a point-to-point route network, rather than hubs, which can cause problems if your flight gets canceled. And, some take the “no-frills” idea to an extreme—for example, the seats on Ryanair planes don’t have seat-back pockets, and they don’t recline, both of which save on cleaning and maintenance costs.
While the most obvious difference between low-cost and full-service carriers is the extra fees low-cost airlines charge for things like in-flight beverages, carry-on bags, or pre-flight seat selection—many full-service airlines have responded to the low base fares of budget carriers by offering basic economy. With the introduction of basic economy, these full-service carriers have been able to offer similarly cheap fares that can compete with low-cost carriers (and that come with just as many extra fees). This has made the line between full-service and low-cost carriers much less clear for consumers.
For an even more in-depth look at the differences, plus all the details you need to make an informed decision about what airline ticket to buy, don’t miss our article, “Everything You Need to Know About Flying Budget Airlines.”
There are budget carriers in every country and every region, so this isn’t an exhaustive list. These are some of the biggest and most popular low-cost airlines.
* Note that these are airlines we don’t send deals on at SCF.
In order for an airline to be allowed to fly in the US, it has to abide by the same FAA safety regulations whether it’s a low-cost carrier or a legacy carrier.
If you want to do more research on any particular airline, the AirlineRatings site has detailed safety ratings (along with other information) on every airline.
We’ve got some criteria we apply to every fare we consider sending to our members—and some low-cost carriers routinely fit the bill, while others routinely do not.
Some of our favorite low-cost airlines are Norwegian, Air Canada Rouge, LEVEL Airlines, Southwest, and AirAsia X. Skytrax’s most recent list of the best low-cost airlines lists the top five as AirAsia, easyJet, Norwegian, Southwest Airlines, and AirAsia X. Norwegian, AirAsia X, Jetstar Airways, WestJet, and Eurowings make up their top five best long-haul low-cost airlines.
Each low-cost carrier has a different set of amenities it deems “extra,” for which passengers are charged an additional fee beyond the price of the airline ticket itself. Some common fees are:
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