A Westjet aircraft taxis at Vancouver International Airport in Canada
EasyJet is the world's best budget airline according to new rankings from AirlineRatings.com
Jetstar Airways is an Australian low-cost airline. Here, one of its Airbus A330-200s moves down the runway at Sydney Airport
Frontier Airlines is an American ultra low-cost carrier. Its headquarters are in Colorado
JetBlue, a low-cost US carrier, ranks fourth in the 2021 list
Ryanair was ranked among the world's top 10 best budget airlines for 2021
Scoot is a Singaporean low-cost carrier and a subsidiary of Singapore Airlines. Here, one of Scoot's Boeing 787 Dreamliners can be seen at Singapore's Changi Airport
Southwest Airlines has its headquarters in Texas. Here, several of its Boeing 737 Max 8 aircraft are shown parked at Victorville Airport in California
Volaris is a budget-friendly Mexican airline, and the second largest in the country after Aeromexico
VietJet, a low-cost airline from Vietnam, made the cut in the world's top 10 low-cost airline rankings
A Westjet aircraft taxis at Vancouver International Airport in Canada
EasyJet is the world's best budget airline according to new rankings from AirlineRatings.com
Jetstar Airways is an Australian low-cost airline. Here, one of its Airbus A330-200s moves down the runway at Sydney Airport
Frontier Airlines is an American ultra low-cost carrier. Its headquarters are in Colorado
JetBlue, a low-cost US carrier, ranks fourth in the 2021 list
Ryanair was ranked among the world's top 10 best budget airlines for 2021
Scoot is a Singaporean low-cost carrier and a subsidiary of Singapore Airlines. Here, one of Scoot's Boeing 787 Dreamliners can be seen at Singapore's Changi Airport
Southwest Airlines has its headquarters in Texas. Here, several of its Boeing 737 Max 8 aircraft are shown parked at Victorville Airport in California
Volaris is a budget-friendly Mexican airline, and the second largest in the country after Aeromexico
VietJet, a low-cost airline from Vietnam, made the cut in the world's top 10 low-cost airline rankings
A Westjet aircraft taxis at Vancouver International Airport in Canada
