Cheap airline tickets can be a great way to save money on your next trip. There are a number of different airlines that offer low-cost flights, both domestically and internationally. However, it's important to do your research before you book, as some airlines may have hidden fees or restrictions.

Here are a few tips for finding cheap airline tickets:

• Be flexible with your travel dates and times. If you can fly during the off-season or on less popular days of the week, you're more likely to find cheaper fares.
• Book your tickets in advance. The earlier you book, the more likely you are to get a good deal.
• Sign up for email alerts from airlines and travel websites. This way, you'll be notified when there are sales or special offers on flights.
• Consider flying into a smaller airport. Smaller airports often have lower landing fees, which can translate into lower fares for passengers.
• Use Openmind.Travel flight search engine to compare prices from different OTAs and airlines.

Once you've found a few cheap airline tickets, be sure to read the fine print carefully before you book. Make sure you understand the airline's baggage policy, cancellation policy, and any other fees that may apply.

Here are a few of the cheapest airlines in the world, according to Cheapflights.com:

• AirAsia
• Scoot
• IndiGo
• Flynas
• Volotea
• Transavia France
• Sun Country Airlines
• Southwest Airlines

With a little planning, you can easily find cheap airline tickets to your next destination.

Here is a list of some popular OTAs for flight booking, in no particular order:

• Booking.com
• Expedia
• eSky
• Agoda
• Priceline
• HRS
• Orbitz
• Laterooms
• Tripadvisor
• Trip.com
• Travelocity
• Google Flights
• Momondo
• Skyscanner
• Kayak
• Kiwi.com
• CheapTickets
• Hotwire
• Lastminute.com
• Gotogate
• Tripsta
• Mytrip
• Wego
• Despegar
• MakeMyTrip
• Cleartrip
• Yatra
• eDreams ODIGEO

Some of these OTAs are more focused on certain regions than others. For example, Booking.com and Expedia are very popular worldwide, while Agoda and MakeMyTrip are more popular in Asia.

When choosing an OTA to book your flight, it is important to compare prices and read reviews from other travelers. It is also important to make sure that the OTA is reputable and offers good customer service.