How to Find Cheap International Flights from the UK in 2025”
Want to see the world without blowing your budget? You’re not alone. In 2025, cheap international flights from the UK are more accessible than ever if you know where to look and how to book. Whether you’re planning a quick European getaway or a long-haul trip to Asia or America, this guide will help you fly smarter.
Why Flights Are Cheaper Than You Think
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Airlines are constantly adjusting fares based on demand, season, and even the day of the week. You can take advantage of this if you’re flexible and plan ahead. Booking early, flying mid-week, and using price alerts can save you hundreds.
Best Sites to Find Cheap Flights
Skyscanner: Great for comparing prices across airlines. Use the “Everywhere” feature to find the cheapest destinations.
Expedia UK: Perfect for flight + hotel bundles. Keep an eye out for package deals that save you even more.
Insider Booking Tips
Book 1-3 months ahead for short-haul flights
Book 3-6 months ahead for long-haul trips
Avoid Friday & Sunday flights
Use incognito mode when searching to avoid price hikes
Popular Budget-Friendly Destinations
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Barcelona, Spain – Warm weather, cheap flights, and delicious tapas
Kraków, Poland – History, nightlife, and affordable hotels
Marrakech, Morocco – Exotic markets, great weather, and often under £150 return
Bangkok, Thailand – Great long-haul value from London if booked early
Check out available tours in Europe via Viator to get inspired.
Airport Hacks for UK Travellers
Fly from regional airports like Manchester, Birmingham, or Bristol to score better deals than Heathrow
Use hand luggage only if possible to avoid extra fees
Download the airline app for gate alerts and boarding passes
Travel Insurance & Safety
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Always get travel insurance before heading abroad. Lost luggage, delays, or sudden cancellations can ruin your trip (and your budget). Check our travel insurance tips here.
EasyJet & TUI: Budget-Friendly Flights and Package Holidays
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If you’re looking to stretch your dollars even further, EasyJet and TUI offer fantastic deals from the UK to worldwide destinations including Europe.
✈️ EasyJet is a go-to low-cost airline for hopping between major European cities. Once you land in Europe, you can use EasyJet to explore destinations like Barcelona, Nice, or Lisbon on a budget. Their dynamic pricing and frequent seat sales make them ideal for flexible travelers.
🌴 TUI is perfect if you want a package holiday. They bundle flights + hotel stays, often including extras like airport transfers. While they’re based in the UK, Americans flying into Europe can still take advantage of TUI’s regional deals to Greece, Turkey, Canary Islands, and more
💡 Pro Tip: TUI often offers discounts for booking early or last-minute — so it’s worth comparing them with Expedia and Skyscanner.
Final Tips for 2025
Sign up for airline newsletters
Use flight tracking tools
Try flexible dates and nearby airports
use price comparison sites alwaystravel.org
Affiliate Disclaimer: Some of the links in this post may be affiliate links. That means we may earn a commission if you make a booking through them, at no extra cost to you. We only recommend tools and sites we trust.
Written by Alex X., founder of AlwaysTravel.org — a curated travel deal site trusted by globetrotters across the UK, USA, and South Africa. With 20+ years of lived travel experience and industry insight, Alex shares expert tips for smarter, stress-free adventures.
