There is no shortage of travel search engines for booking airfares. The list of links we provide is by no means comprehensive – they represent a few of the “bigger” and better travel websites. We have also included websites that offer unique features that might be helpful in your airfare research. The following sites are listed in alphabetical order.
Adioso.com: Research airfares including budget airlines (like JetBlue, Easyjet, and Virgin America) with a more intuitive search tool -- similar to Google.
Airfarewatchdog.com: Search the cheapest airfares and schedule alerts for travel routes, including “Anywhere That’s Cheap” from nearby airports.
Airgorilla.com: Search for low fares from “continuously updated” databases from this flight “consolidator.” They will also refund you the difference of your booked airline ticket if the price goes down within 30 days (terms and restrictions apply).
Allinclusiveoutlet.com: Research all-inclusive vacations with this online, high-discount travel agency that specializes in exceptional all-inclusive resorts in the Caribbean, Mexico, Costa Rica and Panama.
Bingtravel.com: Search for the cheapest airfares worldwide and be told whether to wait or buy your ticket now. BingTravel.com uses a patented travel platform technology to predict airfare prices with over 70% accuracy.
Bookit.com: Book vacation packages, airfare, hotels and car rentals. Also discover destination information based on top travel destinations.
CheapAir.com: Buy your plane tickets on this site and if the price goes down they will pay you back the difference in a travel voucher up to $100/ticket.
Cheaptickets.com: Browse various travel services focusing on the leisure travelmarket: airline tickets, hotels, vacation rentals, rental cars, customized vacation packages and cruises. This company is a subsidiary of Orbitz Worldwide, Inc.
Dealbase.com: Compare airfares provided by other search engines and airlines.
Expedia.com: Search for airfare with “the world’s largest full service online travel agency, with localized sites in 31 countries.”
Farecompare.com: Set airfare alerts and search flights based on price comparisons with other search engines.
Fly.com: Compare available online airfares and discounted travel deals with this search engine owned by Travelzoo.com.
Google Flights: An airfare search tool that is as big and reliable as Google.
Hipmunk.com: Find cheap flights with little effort.
Hotwire.com: Find discounted airfare and travel bundles. This is owned by Expedia, Inc.
Kayak.com: Utilize this robust travel metasite engine to compare airline, hotel, car rental, cruise and other vacation packages from other travel sites. It is now owned by Priceline.com.
Lowfares.com: Compare airfare booking sites to find the cheapest flights, hotels or car rentals. Check out their "Featured Offers" and "Destination of the Week" for travel ideas.
Matrix.itasoftware.com: Research flexible fares on a calendar showing price options and book a round-trip ticket that arrives/departs from two different cities. You can even change your "sales city” to research cheaper fares (the greatest travel hack ever invented).
Momondo.com: Search from low-cost carriers, travel websites and large global airlines, including direct or indirect flights to multiple destinations.
OneTravel.com: Search for low airfares on the Internet with deals from over 450 airlines.
Orbitz.com: Search for cheap Internet airfares or bundles.
Priceline.com: Obtain competitive airfare through “negotiations” facilitated by Priceline.com. Or check out the “Name Your Own Price” option and “bid” for a ticket (this option has limitations on flexibility).
Smartertravel.com: Read and learn about travel news and the best travel deals worldwide to find the right vacation at the right price.
Smartfares.com: Search cheap flights and airline tickets for both domestic and international destinations. A toll free number is available to book the lowest unpublished airfares.
Travelocity.com: Find cheap flights and last-minute deals on the Internet.
Tripadvisor.com: Search for low airfares on the Internet and read travel reviews.
Vayama.com: Discover how two one-way tickets on two different airlines can be cheaper than a round-trip ticket on a single airline. Vayama specializes in international airfares.
Yapta.com: Search for cheap airfare and track fare changes after your ticket has been purchased -- You might be eligible to receive a refund.
If you are able to provide proof that you are a student, there are a few great websites that search for actual “student” airfares. The below websites utilize a search engine specifically for discounted student airline tickets.
STAtravel.com: Search discounts with global airlines for students exclusive travel deals available to students under 26. Dates also tend to be more flexible after a ticket is purchased.
StudentUniverse.com: Save on the average of $100/ticket if you are a verified college student or faculty member.
RTW (Round the World) Tickets
Airtreks.com: Create cusotmized and affordable itineraries with an unlimited number of international destinations -- and receive price estimates.
Oneworld.com: Plan and book your RTW ticket with member alliance airlines that operate 10,000 daily flights to nearly 900 global destinations.
SkyTeam.com: Travel the world to over 1,000 destinations with 19 member airlines in the SkyTeam network.
StarAlliance.com: Search and book RTW tickets with the world's first and largest global airline alliance providing 21,000 daily departures to more than 150 countries and 1,329 airports worldwide.