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How to book cheap flights on is the best way to search, find and book cheap flights. We make discounts, flight deals, and low-cost airfares easy to find.

To find cheap flights online, is the best and easiest way to get discounts on one-way, return, international, and multi-city routes. This guide explains how works, and how we can help you search and book the cheapest flights available.

Eight tips for booking cheap flights on

The best time and day to book flights

It’s easy to find the best time and day to fly using’s flexible search engine. You can enter the exact dates you’d like to travel, or you can choose a range of dates to find the cheapest option.

When you search, you will see the lowest price available on each date, so you can select the one that’s right for you, or filter to find the fastest or best options. You can also filter flights by maximum price, or choose a range of prices.

Find cheap flights without a destination

If you want to find the cheapest flights to anywhere, you can do that on as well. If you don’t have a particular destination, simply choose your departure location and select ‘Anywhere’ as your destination. This will show you the cheapest routes from your location.

You can also use our map search to find a cheap destination: zoom in or move the map, and destinations and prices will appear. You can see the best deals highlighted in green, so you’ll know you’re getting a great price.

Find cheap international flights

San Juan, United States
Seattle, United States
Houston, United States
Los Angeles, United States
Cancún, Mexico
Tampa, United States

Search for flexible deals on international flights using Multi-city. You can choose multiple cities to visit, select the dates or date range you’d like to travel, and our Kiwi-Code will find you an itinerary. You can then filter by cheapest, fastest or best, and buy the whole itinerary for one price, in one click.

NOMAD is a feature of that helps you find the cheapest Multi-city price if you want to visit a number of cities, but you’re flexible about which order to see them. It’s a travel hack that exists only to find you the cheapest price. Select NOMAD from the drop-down search menu, enter your origin city and the destinations you’d like to visit. Choose a time period to stay in each city. Select an end city (or return to your origin city), and click Search journeys. NOMAD then calculates every possible route combination and finds you the cheapest. Like Multi-city, you can book your whole itinerary for one price, in one click. It’s an amazing tool, and one that’s exclusive to

Using’s Kiwi-Code, even if the airlines on your itinerary don’t usually have a partnership to work together, we can combine routes and deals that don’t normally exist to give you the cheapest price available for your entire trip.

Flying on a budget

If you always want to see the cheapest deals, has a number of ways to help. If you subscribe to, we will send alerts and offers directly to you so you’ll never miss a low price again.

When you search, you can also set up a Price Alert: this means that searches low prices for you! Choose the route you’re interested in, and on the results screen you will see a ‘Create price alert’ button. Click this and choose a price range. When the price of your route changes by this amount, we will email you to tell you. You can then book at this cheaper price.

Sometimes, routes open and close depending on the season, the popularity of the route, or other unforeseen conditions. If you search for a route and there are no results, Availability Alerts can help. Click ‘Notify me’, and when this route opens, we will message you.

When you search for a route that combines both short- and long-haul flights, you can work within your budget by combining different cabin classes: economy, premium economy, business class or first class. For example, if you want to fly from New York to Paris in business class, but don’t want to pay for the same on the Paris to Berlin part of your itinerary, you can choose not to. This allows you to have better prices: mixed cabin classes are more affordable than booking only business or first class trips, and it also gives you more route options.

Another way to save even more money is with our flexible Fare Types. When you book with, we offer three different Fare Types, so you can choose the best combination of price and flexibility. The Saver ticket is the option to choose if you don’t plan to cancel or change your trip, and gives you the absolute lowest price available. The Standard ticket gives you the option to rebook at a later date, and the Flexi ticket means you have the security to be able to not only rebook, you can also cancel your trip entirely.

Why book with

Save money on travel Guarantee
Choose flexible fare types
24/7 customer support

With over 480 carriers and more than 50 million daily searches, is fast becoming an essential tool for people who want to save money on travel.

As well as finding the cheapest prices, has a number of ways to make sure you get to your destination smoothly.

When you book with, you can add the Guarantee to your journey. This means that if there is a problem with your trip — a canceled flight, a missed connection, a carrier change — contact us, and will find a new flight, offer you a refund, or find alternative transport to your destination. In the meantime, we may also provide a contribution to refreshments or accommodation, so you can relax while we do the work. The Guarantee is valid across all modes of transport on, so whether it’s plane, train or bus, you’ll know you’re covered.

The Guarantee is especially recommended for itineraries that include multiple carriers: if there’s a problem, we’ll contact them for you and make alternative arrangements. Our 24/7 customer support is available across 14 languages, so there will always be someone there to help.

Budget airlines

You can book cheap flights with budget airlines from around the world on


North America

South America

  • Gol Transportes Aéreos
  • Azul
  • Sky Airline
  • Flybondi
  • Star Peru
  • Voepass
  • Boliviana de Aviación



Cheapest way to fly

To save even more money and have more flexible travel options, gives you the choice to arrive and depart from different airports.

When you search for a flight to or from a city, if that city has more than one airport, finds the cheapest route, even if the airport you arrive at is different from the airport you depart from.

You can choose to remove this feature when you search, but to search and book the best low-cost route, this finds the cheapest way to fly.

Trending countries

Book cheap flights to the most popular countries in the world

Frequently asked questions

When is the best time to buy plane tickets?

If you subscribe to, you can set up a Price Alert. We will then inform you when the price of your chosen route changes, so you can get the best deal.

What are the best tips for booking cheap flights?

It’s best to be flexible when you book flights. Use’s Search filters to change the time of the flight, fly into or out of different airports, or look for the green Travel Hack star for special discounts.

How do I get the best airfare prices?

Airlines will often run special promotions or flash sales.’s Kiwi-Code checks over two billion prices every single day, so if you subscribe to, we will message you with offers and deals when they happen.

How can I save on airline tickets? finds the cheapest prices by creating routes that wouldn’t normally exist. We connect airlines that wouldn’t usually work together, giving you prices that the airlines don’t want you to see.

How can I save money when I fly often?

If you have a route that you book often, can send you reminders about discounts or offers on that route.

Is booking a multi-city flight cheaper?

Booking a multi-city flight on can save you money, as we combine carriers that don’t normally cooperate to get you the cheapest price. Our NOMAD feature makes multi-city routes even cheaper.

How do I book a flight with different arrival and departure cities?

When you search on, you can choose different arrival and departure cities, or even choose to fly into or out of specific airports.

How do I book multiple flights on one ticket?

Build your itinerary by searching with, and you can buy all your flights on one ticket for one single price.

What is the cheapest month to fly to Europe?

When you search on, you can search by date range. As you search, the calendar will show you prices of flights on individual days.

Alternatively, select a range of months, create a Price Alert, and we will find the cheapest date in the cheapest month to fly.

What is the cheapest way to get a last-minute flight?

The cheapest way to get a last-minute flight is flexibility. Try searching from your home city to Anywhere, and will show you the cheapest available flights.

Are flights usually cheaper last-minute?

Not always. The best time to buy a flight can vary, so the best thing to do is download the app and create a Price Alert on your chosen route. This way, you’ll know when the price of your route changes, and can buy it at a low price.

Do layovers make flights cheaper?

Sometimes airlines sell flights with layovers cheaper than direct flights. You can take advantage of this fact with’s Hidden Cities travel hack. See above for more information.

Which airlines offer extended layovers?

Airlines may offer layovers in some cities, often their hub. However, with, you can create a layover yourself using our Multi-city search. Search via the city you’d like to spend your layover in, and we’ll find you the cheapest flights into and out of there. You get more options because it’s not the airline’s choice — it’s yours!

Are layovers cheaper than direct flights?

Flights with layovers can be cheaper, especially if you’re traveling with only cabin baggage.’s Hidden Cities travel hack searches routes that will take you to your destination as part of a longer itinerary. Look for the green Travel Hack star when you search.

Why is it cheaper to fly with a layover?

Many airlines know that direct flights are more popular, and so will charge more on those popular routes. On, you can see prices the airlines don’t want you to see, because we can offer you flights that only include one leg of a trip. See the sections on Hidden Cities and Throwaway Ticketing above for more information.

What is the trick to getting cheap airline tickets?

It’s not a trick: search and book with! Use our incredible Search technology — powered by our revolutionary Kiwi-Code — to find prices and routes that would otherwise be hidden. Download the app to get alerts and deals sent directly to you.

What days are cheaper to book a flight?

Tuesday, Wednesday and Saturday are often cheap days to fly. Search using the calendar on to see flight prices on individual days and pick the one that’s best for you.

Do flight prices go down on Tuesday?

Flight prices may be lower if you fly on a Tuesday.’s pricing calendar shows you the lowest price on each date, so you can choose one day, or a range of dates, and will find the cheapest option.

What is the best day to look for cheap flights?

Searching on Saturday and Sunday sometimes gives lower prices than Thursday and Friday, but takes away the doubt by offering notifications and alerts when prices come into a range that you choose. Subscribe to to receive special deals, offers and alerts.

Do flight prices get cheaper closer to the date?

Flight prices can go up as well as down, so to secure the best deal regardless of the date, when you search on, hit the little bell symbol to set up a Price Alert. Then just sit back and wait for the lower prices to come to you!

How far in advance should I book a flight to get the best deal?

Airlines offer different pricing structures, so to be sure you get the best deal, use’s flexible Search. We search over 480 carriers, so you can choose a range of dates, and we’ll find the best deal from all of those airlines within those dates. That means you can be sure you’re getting the best deal no matter when you book.

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