What are the best cheap flight search engines to find affordable airfare?

Skiplagged, a lesser-known flight search engine, exploits a ticketing loophole called "hidden city" ticketing, which can save users up to 80% on airfare by booking a flight with a layover at the desired destination instead of the final destination.

Skyscanner's flight search algorithm factors in airport taxes, fees, and surcharges, providing users with the true total cost of a flight, rather than just the base fare.

Google Flights utilizes advanced machine learning techniques to predict future flight prices, allowing users to determine the optimal time to book their tickets for the best deals.

Momondo's unique search algorithm scans over 900 travel sites, including airlines, online travel agencies, and metasearch engines, to uncover the most competitive fares that may not be readily available on other platforms.

Kayak's "Hacker Fares" feature combines one-way flights from different airlines to create a roundtrip itinerary that can be significantly cheaper than a traditional roundtrip booking.

Hopper's price prediction technology uses historical data and machine learning to forecast when flight prices will drop, helping users decide the best time to book their tickets.

CheapOair's "Fare Tracker" tool monitors flight prices and sends users alerts when prices drop, enabling them to snag deals before they disappear.

Skiplagged's "hidden city" ticketing strategy exploits the fact that airlines often charge more for a direct flight than for a connecting flight with the desired destination as a layover.

Skyscanner's "Everywhere" search function allows users to explore the cheapest destinations from their departure airport, inspiring spontaneous and budget-friendly travel plans.

Google Flights' "Explore" feature uses machine learning to recommend destinations and dates based on a user's travel preferences and budget, making it easier to find the best deals.

Momondo's "Price Forecast" tool analyzes historical data to predict whether flight prices are likely to increase or decrease in the coming days, helping users time their bookings accordingly.

Kayak's "Flexible Dates" option enables users to compare prices across multiple departure and return dates, allowing them to find the cheapest combination for their travel plans.

Hopper's mobile app uses push notifications to alert users when flight prices drop, giving them the opportunity to book before prices rise again.

CheapOair's "Price Drop Payback" program refunds the difference if the price of a booked flight decreases after the initial purchase, helping users save even more.

Skiplagged's "Throwaway Ticketing" technique involves booking a flight with a layover at the desired destination and not taking the final leg of the journey, potentially leading to significant savings.

Skyscanner's "Multi-City" search feature allows users to plan complex itineraries with multiple stops, often uncovering more affordable options than traditional roundtrip bookings.

Google Flights' "Explore Destinations" map visualizes flight prices to different locations, making it easier for users to identify the most budget-friendly options for their travel plans.

Momondo's "Incognito Mode" search function can sometimes uncover lower prices by hiding a user's browsing history and location from airlines and online travel agencies.

Kayak's "Hacker Fares" strategy of combining one-way flights from different airlines can be especially beneficial for travelers with flexible schedules and open-jaw itineraries.

Hopper's "Secret Fares" feature negotiates exclusive discounts with airlines and online travel agencies, providing users access to deals not available on other platforms.

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