10 Best Websites for Planning a Trip (Cheap Flights & Hotels)

Planning a trip is exciting… until you open 20 tabs trying to compare flights, hotels, transport, and activities all at once.

If you get excited about travelling but feel overwhelmed once the actual planning starts, you’re definitely not alone.

After years of travelling and planning trips myself, I’ve found a handful of travel planning websites that I keep coming back to over and over again because they genuinely make the process easier.

From finding cheap flights to booking accommodation and figuring out transport between destinations, these are the best websites for planning a trip that I personally use all the time.

Some are perfect for scoring flight deals, others are great for researching destinations, and a few have saved me hours of stress while planning trips.

So if you’re looking for the best travel booking sites and travel planning websites to help organise your next adventure, these are the ones that are actually worth it.

👉 And if you want apps you can actually use while travelling too, check out my post on the best travel apps

The Best Travel Planning Websites I Use for Every Trip

Here are my go-to best travel websites that make trip planning so much easier:

1. Skyscanner – Best Website for Finding Cheap Flights

Skyscanner is usually the first place I go when I’m planning a trip, especially if I’m flexible on dates or destinations.

I love the “Everywhere” feature because it shows the cheapest places you can fly to from your departure airport, which is perfect when you’re chasing a bargain or just looking for ideas for your next trip.

2. Google Flights – Best Travel Website for Flight Price Tracking

Google Flights is one of my favourite tools for comparing flight options quickly and tracking fares before booking.

I usually use it once I’ve narrowed down a route, but I want to wait and see if prices drop. I use it often when I’m planning my flights back home to the UK.

The calendar view makes it really easy to spot the cheapest days to fly, and you can set price alerts for specific dates or flexible date ranges.

I also like how easy it is to filter by airline, flight duration, baggage rules, and layovers, especially when planning trips many months in advance.

✅ Best tip: If Google shows “prices are high for these dates,” try switching your departure or return by one or two days to see big savings.

3. Booking.com – Best Website for Booking Hotels & Accommodation

When it comes to hotels, hostels, or apartments, Booking.com is my go-to. I love the free cancellation policy (on some properties), which has saved me more than once when my plans have changed at the last minute.

Booking.com is the easiest way to compare prices across hotels, apartments, and even hostels in one place. The reviews feel more legit than on some other platforms because they come only from verified stays.

I also filter by “free cancellation” when plans feel unstable — it gives you way more flexibility.

✅ Top tip: Create a free account to unlock “Genius” discounts, which can save you a nice chunk of cash.

4. Hostelworld – Best Booking Website for Budget & Backpacker Accommodation

When I was backpacking, travelling solo or just wanted a social place to meet other travellers, I checked Hostelworld. The reviews are detailed, and it’s perfect for finding affordable stays in most destinations.

The site is packed with ratings on atmosphere, cleanliness, location, etc., so you know exactly what you’re getting into before you book, important when hostels can vary wildly. Many listings also show what events they host, which makes it easy to meet other travellers.

Read reviews carefully to get the vibe — some are social party hubs, others are quiet and chill. And try to book private rooms if you want the savings without sharing a dorm room with five other people!

✅ Top tip: Sort by location first; you don’t want to spend your savings on long Uber rides.

5. Airbnb – Best Travel Website for Unique Stays

Sometimes I want something more than a hotel room, and that’s when Airbnb comes in. I’ve stayed in cozy apartments, funky lofts, and even treehouses thanks to this site.

It’s excellent for digital nomads or longer trips where a hotel just won’t cut it.

Airbnb is my pick when I want to feel more like a local or stay somewhere a bit unique — like treehouses in Bali or tiny homes in New Zealand.

It’s also great for longer stays because you can have a workspace, cook meals, do laundry, and generally spread out a bit more.

✅ Top tip: Always check the total price with fees before booking — sometimes a hotel might actually be cheaper.

6. Rome2Rio – Best Website for Planning Transport Between Cities

Rome2Rio is a lifesaver when planning transport between towns, islands, or even countries.

Just type in any two destinations in the world, and Rome2Rio shows you all the ways to get there—flights, buses, ferries, trains, or rideshares.

Plus, it’ll also give you rough costs and estimated timings to help you plan efficiently.

✅ Best tip: Use this site for ideas, then book directly through the transport provider for the best prices.

7. TripAdvisor – Best Travel Website for Reviews & Trip Research

I don’t use TripAdvisor to plan entire trips, but it’s one of my go-to websites for quickly checking reviews on restaurants, tours, and attractions.

It’s especially useful for looking at ratings and real traveller photos before booking anything, which helps you avoid any surprises. The “Things to Do” section is also great when you’ve just arrived somewhere and need quick inspiration on what to see or do first.

I also like browsing the forums when I want honest, real-time advice from other travellers — it’s surprisingly helpful for finding trustworthy tour operators or getting local tips.

✅ Best tip: Read the most recent reviews — businesses can change ownership or quality quickly.

8. Secret Flying – Best Website for Cheap Flight Deals, Error Fares & Flash Sales

Secret Flying is where you’ll catch those insane “this must be a typo” deals. They publish error fares, flash sales, and short-lived bargains around the world.

The key is to move fast — deals often disappear within hours.

Set notifications and check often if you want to be the friend who got a $300 Europe ticket while everyone else paid $1,200.

This is my favourite site for browsing flight deals and error fares. Even if I’m not ready to book, it’s fun to see where I could go for cheap.

If you’ve got flexible dates and destinations, Secret Flying can save you so much money. They find crazy-cheap flights and sometimes “error fares” — accidental price glitches that airlines occasionally honour (and when they do… yay!).

✅ Best tip: Deals disappear fast — if you see one you love, book first and think later (as long as cancellation is possible).

9. Going (formerly Scott’s Cheap Flights) — Best Website for Flight Deal Alerts

Going is perfect for travellers who want unbelievable flight deals without spending hours searching. They monitor prices constantly and send alerts when airlines drop fares or release mistake prices.

Another solid option for deal alerts. I like signing up for the free version to get notified of crazy-low fares that pop up from my home airport.

The free version gets you solid deals, but the paid tiers unlock the really wild savings, like international flights for half the usual cost.

✅ Best tip: Set alerts from your home airport. The free tiers are solid, but the paid versions unlock more deals and better routing options.

10. GetYourGuide – Best Website for Booking Tours & Activities

When I’m planning activities for a trip, GetYourGuide is one of the first websites I check. It’s great for booking everything from walking tours and food experiences to skip-the-line tickets and day trips.

I especially like using it when I’m travelling somewhere busy because you can organise activities in advance instead of wasting time figuring everything out once you arrive. The reviews are helpful, the app is easy to use, and many tours come with free cancellation, which gives you a bit more flexibility if plans change.

It’s also useful for finding unique local experiences that you might not come across otherwise — especially in bigger cities where there are hundreds of tour options to sort through.

✅ Best tip: Always check whether attraction tickets include “skip-the-line” access — it can save you hours in super touristy destinations.

11. Lonely Planet – Best Travel Website for Destination Guides & Inspiration

When I need some wanderlust fuel, Lonely Planet is where I go. Lonely Planet is amazing when you’re still in the early planning stages.

Lonely Planet has been around forever for a reason. Their destination guides are packed with genuinely useful info — local neighbourhood breakdowns, safety tips, must-see spots, and even suggested itineraries. When I want to get a feel for a place before I go, this is where I start.

The site also shares practical travel advice, great for first-timers heading somewhere completely new.

✅ Best tip: Use their guides for inspiration, then combine with other apps & Rome2Rio for detailed planning.

FAQ: Frequently Asked Questions About Travel Planning Websites

Your travel planning FAQs answered.

What are the best websites for planning a trip on a budget?

Skyscanner, Google Flights, Going, and Secret Flying are great for finding cheap flights and travel deals. For accommodation, Booking.com and Hostelworld are excellent for comparing budget-friendly stays. Using flexible dates and price alerts can help you save even more money.

What is the best website for finding cheap flights?

Skyscanner and Google Flights are two of the best websites for finding cheap flights because they let you compare airlines, track prices, and search flexible dates easily. If you want mistake fares and flash sales, Secret Flying and Going are also worth checking regularly.

What is the best website for planning a trip internationally?

For international travel planning, I usually start with Skyscanner or Google Flights to compare routes and prices. Then I use Booking.com or Airbnb for accommodation and Rome2Rio to figure out transport between destinations. Using a combination of travel planning websites gives you the best results.

Which website helps plan transport between cities?

Rome2Rio is one of the best websites for planning transport between cities or countries. It compares flights, trains, buses, ferries, and rideshares in one place, making it much easier to build a travel itinerary.

What is the best website for booking tours and activities?

GetYourGuide and Viator are both great for booking tours, day trips, attraction tickets, and local experiences. I like using them to compare reviews, prices, and cancellation policies before booking activities.

Do I need more than one website when planning a trip?

Yes — I almost always use multiple travel planning websites when organising a trip. One site might be best for cheap flights, while another is better for accommodation, tours, or transport. Combining a few different tools usually saves the most money and gives you more flexibility.

Are travel planning websites reliable?

Most major travel planning websites are reliable, especially well-known platforms like Booking.com, Google Flights, and Airbnb. I still recommend reading recent reviews carefully and checking cancellation policies before booking anything.

Final Thoughts — Start Planning Your Trips Smarter

The right travel planning websites can save you so much time, money, and stress before your trip even begins.

Whether you’re trying to find cheap flights, compare accommodation, organise transport, or discover fun things to do, these are the travel websites I personally keep coming back to whenever I plan a trip.

You definitely don’t need to use all of them at once, but having a few solid tools in your travel-planning toolkit makes the whole process feel way less overwhelming.

And that’s a wrap on this post of the best websites for planning a trip.

These are the best travel websites I come back to again and again. They help me plan smarter, save money, and make my trips less stressful.

What about you? Do you have a favourite travel planning website that you always use? Let me know in the comments.

Happy Travel Planning! ✈️🌍

Alial 🙂

10 Best Websites for Planning a Trip (Flights, Stays & Activities)