Booking flights can be overwhelming, with hundreds of websites promising the best deals. In 2025, the best way to save money on air travel is to use flight comparison sites and booking platforms that let you compare prices across multiple airlines in seconds.
Whether you’re looking for a weekend getaway, a long-haul adventure, or a last-minute bargain, these are the best flight booking websites in 2025 to help you fly for less.
1. Skyscanner
Why We Like It: Skyscanner is one of the most trusted flight comparison sites, showing results from both major airlines and budget carriers.
Key Feature: The “Everywhere” search is perfect for finding the cheapest destinations from your airport.
✅ Compare Flights on Skyscanner
2. Google Flights
Why We Like It: Google Flights is incredibly fast and has powerful filters to find the cheapest dates and airports.
Key Feature: Price tracking alerts that notify you when fares drop.
✅ Search Flights on Google Flights
3. Kayak
Why We Like It: A reliable comparison tool with extra features like fare predictions and package deals.
Key Feature: “Hacker Fares” that combine two one-way tickets to save money.
4. Momondo
Why We Like It: Known for finding ultra-cheap flights on smaller booking sites and showing visual price trends.
Key Feature: Color-coded price calendar to instantly spot the cheapest days to fly.
5. Expedia
Why We Like It: A one-stop shop for flights, hotels, and car hire with regular package discounts.
Key Feature: Earn Expedia Rewards points to save on future bookings.
Tips for Finding the Cheapest Flights
Be flexible with dates: Flying midweek or early morning is often cheaper.
Set price alerts: Let the website track price drops for your route.
Compare multiple sites: Prices can vary by £20–£50 for the same flight.
Book early for peak seasons: Last-minute flights are rarely cheaper for popular destinations.
Final Thoughts
If you want the fastest and easiest experience, start with Google Flights for inspiration and alerts.
If you’re hunting for the absolute lowest price, Skyscanner or Momondo often uncover hidden bargains.
Combining these tools ensures you’ll never overpay for flights in 2025 — and pairing them with package deals on Expedia or Kayak can unlock even more savings.
This post contains affiliate links. If you book a flight through these links, we may earn a small commission at no extra cost to you.
Broke But Built 
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