When it comes to booking flights, finding the cheapest airfare is a priority for many travelers. Here’s a breakdown of some of the best flight booking sites known for offering cheap airfares, each with its own unique features and benefits.

Using these sites can help you compare a wide range of options and secure the best deals available for your travel needs. Whether you're planning well in advance or looking for a last-minute ticket, these platforms offer tools and insights to help you make informed decisions and save money on your air travel.

Top 10 Best Sites for Booking Flights at the Cheapest Prices
Top 10 Best Sites for Booking Flights at the Cheapest Prices

What are OTAs?

OTAs, or Online Travel Agencies, are websites or apps that allow users to book travel-related services such as flights, hotels, car rentals, and vacation packages. These platforms serve as a one-stop shop for travelers looking to plan and purchase various components of their trips.

Key Features of OTAs:

Comprehensive Services: OTAs provide a broad array of booking options. Users can book flights, accommodations, and other travel services all from one platform.

Comparison Tools: They offer tools to compare prices, amenities, and other factors across a wide range of providers. This helps travelers find the best deals according to their preferences and budgets.

Convenience: OTAs simplify the travel booking process by bringing multiple services together in one place. This can include bundling flight and hotel bookings for better rates.

Customer Reviews: Many OTAs feature customer reviews and ratings for hotels, resorts, and packages, allowing new customers to make informed decisions based on the experiences of others.

Deals and Discounts: They often negotiate special rates with airlines and hotels, which may provide cheaper options than booking directly through providers. Additionally, they frequently offer promotions and last-minute deals.

Examples of Popular OTAs:





OTAs are particularly popular among budget-conscious travelers and those seeking convenience in planning complex itineraries involving multiple destinations and services. They leverage their relationships with service providers to secure often exclusive deals, making them a potent resource for saving on travel.

How to Book Flights at the Cheapest Prices

1. Timing is Everything

One of the key strategies is to book at the right time. Typically, booking a flight two to three months in advance for international travel and one to two months in advance for domestic travel can yield the best deals. Avoid booking last minute unless you’re looking for potential last-minute price drops, which are risky but sometimes rewarding.

2. Use Incognito Mode

Prices can increase based on the cookies in your browser. Using incognito mode when booking flights can sometimes lead to cheaper prices as it prevents airlines from tracking your browsing history and raising prices on the routes you are interested in.

3. Be Flexible with Your Dates

Flexibility can lead to significant savings. Flying mid-week, early in the morning, or late at night can often be cheaper than flying on weekends or during peak hours. Also, consider being flexible with your dates; sometimes shifting your travel dates by a day or two can save you a lot.

4. Choose Your Airports Wisely

Flying out of alternative airports, especially in big cities with multiple options, can often be cheaper. For example, flying out of Gatwick instead of Heathrow in London might save money.

5. Set Price Alerts

Using tools that track flight prices can help you book when prices drop. Websites like Google Flights or Skyscanner allow you to set alerts for specific routes and notify you when prices fall.

Top 10 Best Sites for Booking Flights at the Cheapest Prices


1. Google Flights

This tool is extremely fast and has an intuitive interface that includes flexible date options and price graphs. Google Flights is particularly good at suggesting cheaper travel dates and alternative airports.


Speed and Simplicity: Google Flights is known for its fast search engine and clean, user-friendly interface. It quickly compares flight prices across various airlines.

Flexible Date Search: The calendar view shows the best prices for your chosen travel dates and suggests cheaper travel options.

Price Graphs and Alerts: It provides price trends and notifications when prices for a specific route drop or are about to increase.

Explore Option: This feature allows you to view prices to different destinations from any departure city, which is great for flexible travelers looking to find the cheapest destination.


Integrates seamlessly with other Google services.

Offers comprehensive filters to narrow down search results based on your preferences like luggage needs, flight duration, and more.


2. Skyscanner

Skyscanner is renowned for its ability to scour hundreds of websites to find the lowest prices available. It also offers an "Everywhere" search feature, which allows you to see the cheapest destinations from your chosen airport. This site is known for its broad search capabilities, covering many small carriers and offering options for flexible travel.


Global Reach: Searches a vast array of airlines and travel sites, providing extensive options for both domestic and international flights.

Flexible Searches: Includes tools like "Cheapest Month" and "Everywhere" search for travelers with flexible schedules or destinations.

Price Alerts: You can set up alerts to monitor the prices of specific flights and receive notifications about price changes.


Known for finding some of the lowest fares.

Offers additional travel booking services, such as hotels and car rentals.


3. Kayak

Kayak offers comprehensive searches across multiple websites and has a feature to predict whether prices will rise or fall.


Comprehensive Search: Compares prices across hundreds of other travel sites.

Price Forecast Tool: Uses historical data to predict whether flight prices will increase or decrease in the next seven days.

Trip Hacks: Provides tips on how to save money on your specific route or trip.

Price Alerts: Sends alerts when there is a price drop or rise in your tracked flights.


Offers a detailed breakdown of the flight's amenities and services.

Includes a mobile app that provides the same functionality as the website.


4. Momondo

Momondo excels at finding the lowest fares, particularly for international flights. It searches a wide range of small and large booking sites and often uncovers deals missed by other search engines.


Extensive Searches: Finds and compares fares from more than a thousand travel sites, including low-cost carriers and travel agencies.

Flight Insights: Offers insights on the cheapest times to fly and best days to buy tickets based on route-specific data.

Price Calendar: Helps you find the lowest fares around your chosen departure date.


Frequently finds the lowest prices, especially for international flights.

Colorful, easy-to-use interface.


5. CheapOair

CheapOair often has exclusive deals and discounts that aren’t available on other sites, making it a great option for budget-conscious travelers.


Deals and Promotions: Regularly offers promo codes and special deals that can lead to significant savings.

Price Alerts: Notifies you about fare changes to your chosen destinations.

Rewards Program: Offers points on every purchase, which can be redeemed for discounts on future bookings.


Specializes in finding low-cost tickets.

Provides 24/7 customer support.


6. Expedia

As one of the largest travel booking sites, Expedia often offers package deals that include hotels and rental cars at reduced prices.


Comprehensive Booking Options: Allows booking of flights, hotels, car rentals, and cruises. Also offers package deals that bundle these services for additional savings.

Rewards Program: Expedia Rewards offers points that can be redeemed for travel. Members get access to exclusive deals and bonus offers.

Mobile App: Provides exclusive deals through its app, along with useful trip updates and alerts.


One of the largest travel agencies online, known for providing a wide range of travel services.

Offers flexible payment options, including the ability to pay later.


7. Orbitz

Orbitz rewards regular users with “Orbucks” that can be redeemed on future bookings, effectively offering discounts on subsequent purchases.


Price Assurance: If another customer books the same flight or vacation package for less, Orbitz offers a refund of the difference.

Orbitz Rewards: Earn 'Orbucks' on bookings which can be redeemed on future travels.

Travel Blog: Provides travel tips and destination guides to help plan your trip.

Strengths:User-friendly interface with efficient booking tools.

  • Frequent deals and promotions that provide good savings, especially on package deals.


8. Priceline

Known for its 'Name Your Own Price' feature, Priceline lets you bid for flights within your budget, potentially snagging below-market prices.


Name Your Own Price: Unique bidding feature where users can propose a price for hotels and car rentals (and previously flights), which providers can then choose to accept.

Express Deals: Offers deep discounts on hotels, flights, and car rentals without revealing specific details until after the purchase.

Priceline VIP: Joining this loyalty program offers deeper discounts and perks such as free breakfasts at hotels.


Known for potentially substantial savings, especially with "Express Deals" and "Name Your Own Price" features.

Provides straightforward, easy-to-navigate booking services.


9. Travelocity

Similar to Expedia and Orbitz, Travelocity offers competitive pricing on flights and additional discounts when booking a 'flight + hotel' package.


Price Match Guarantee: If you find a lower price on another website within 24 hours, Travelocity will refund the difference.

24/7 Customer Service: Offers around-the-clock support to assist with bookings and resolve issues.

Package Deals: Significant discounts are available when booking a flight, hotel, or car rental together.


A reliable source for travel bookings with a comprehensive suite of travel options.

Frequent sales and promotional discounts.


10. Trivago

Trivago, a metasearch website, now lists flights in addition to hotels. Its airfare listings are simple to browse and are priced competitively. Trivago gathers pricing data from hundreds of sources, such as OTAs and airline websites.


Hotel Search Engine: Trivago is primarily focused on hotels and provides a comprehensive search engine for comparing prices from various booking sites.

Price Comparison: Displays options from over a million hotels and hundreds of booking sites to find the best price.

Filter and Sort: Extensive filters and sorting options help users find the ideal hotel based on their criteria.


  • Specializes in hotels, offering a broad comparison of prices and amenities.
  • Offers clear, concise presentations of options, making it easy to choose the best hotel for your needs.



Do travel aggregators and OTAs show every airline?

No. Not every airline permits the listing of their fares on websites owned by third parties. Travel aggregator websites and OTAs, for instance, do not display flights operated by Southwest Airlines. To compare flight prices, you must conduct a direct search for Southwest flights on their website. Furthermore, searches turn up nothing for Allegiant, Air China, China Eastern, or Thai Airways.

Does Kayak function as an OTA?

KYAK isn't an OTA, sorry. It's a travel search engine to find low-cost flights.

Is Expedia a US-based business?

Yes, Expedia Group owns this American travel agency.


Each of these websites offers unique tools and features to help travelers book their flights, providing a range of options and services tailored to various travel needs and preferences. Whether you're looking for the cheapest ticket or the most flexible itinerary, these platforms can provide valuable assistance in planning your air travel.

With a bit of planning and the right tools, booking flights doesn’t have to break the bank. Utilize these tips and websites to ensure you get the best deals possible, leaving you more to spend on enjoying your trip!

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