Travel Websites to Book Cheap Flights

To book cheap flights, use a combination of metasearch engines like Google Flights, Skyscanner, and Kayak to compare prices across airlines, then book directly with the airline or through an Online Travel Agency (OTA) that offers the best price and terms. No single website always has the lowest fare; the key is to compare multiple sources and be flexible with dates and airports.

Formula

The calculator above works out your average flight speed: Average speed (km/h) = Distance (km) ÷ Time (h). It also gives the inverse, time per kilometre in minutes, which is more common for running but shown here for completeness. Variables: t = total flight time in hours, d = distance in kilometres. For miles and minutes, convert: 1 mile = 1.60934 km, 1 hour = 60 minutes.

Worked Example

Using the defaults: a 2‑hour flight covering 1500 km. Speed = 1500 ÷ 2 = 750 km/h. Time per km = (2 × 60) ÷ 1500 = 120 ÷ 1500 = 0.08 min/km (about 4.8 seconds per km). This matches the calculator output.

How Flight Booking Sites Work

Flight search engines fall into two main categories. Metasearch sites (Google Flights, Skyscanner, Kayak, Momondo) scan hundreds of airlines and online travel agencies (OTAs) in real time, showing you a list of prices without charging you a fee. They make money through referral commissions when you click through to book. Online Travel Agencies (Expedia, Priceline, Booking.com) are actual sellers – they buy tickets from airlines and resell them, often bundling hotels, cars, or insurance. Airlines also sell directly on their own websites, and sometimes offer exclusive deals or better customer service.

How to Choose the Right Website

Your choice depends on what you value most:

• Price comparison: Use Google Flights or Skyscanner for broad coverage. They include budget airlines that may not appear on other sites.
• Flexibility: Skyscanner’s “everywhereâ€� search and Google Flights’ calendar view show the cheapest destinations and dates.
• Booking simplicity: If you want one itinerary with multiple airlines (e.g., outbound on one, return on another), OTAs like Expedia or Kiwi.com can combine them, but beware of self‑transfer risks.
• Loyalty points: If you have frequent‑flyer miles, booking directly with the airline is usually the only way to earn or redeem them.

Common Problems and How to Avoid Them

The biggest pitfalls are hidden fees, poor customer service, and “bait‑and‑switch� pricing. Budget airlines often charge extra for baggage, seat selection, and even check‑in at the airport – the final price can be 30% higher than advertised. OTAs may show a low base fare but add service fees at checkout. Also, if you book through a third party and need to change or cancel, the airline may refuse to help you directly, forcing you to deal with the OTA. To avoid these issues:

• Always compare the total price including baggage and fees.
• Read the fare rules before paying – they state change/cancellation fees.
• If a price seems too good to be true, check the airline’s own site – it might be a mistake fare that will be cancelled.
• For international flights, consider booking directly with the airline if the price difference is small.

Costs and Fees: What to Watch For

Base fares are only part of the cost. Taxes and airport fees are added by the government and are usually non‑negotiable. Baggage fees, seat selection, priority boarding, and in‑flight meals are airline‑specific. When comparing, look at the “total price� not the base fare. Also, some OTAs add a booking fee (e.g., $10–$30) that metasearch sites don’t. Credit card foreign transaction fees can add 1–3% if you book in a foreign currency – use a no‑foreign‑transaction‑fee card. Finally, be aware of currency conversion: if you book on a foreign site, you may be charged in the local currency, and the exchange rate may not be in your favour.

Safety and Security: Booking with Confidence

Only use reputable, well‑known websites. Look for “https� in the URL and a padlock icon. Avoid sites that ask for payment via wire transfer or cryptocurrency. Check the company’s contact information and physical address – if it’s missing, that’s a red flag. For OTAs, read recent reviews on Trustpilot or similar platforms, but take extreme ratings with a grain of salt. When paying, use a credit card – it offers chargeback protection if the booking fails. Also, be wary of “fare lock� or “hold� options that charge a fee – they may not be worth it.

Alternatives to Traditional Booking Sites

Beyond the big names, consider these strategies:

• Airline websites directly: Sometimes they offer exclusive sales or lower fares than OTAs, and you get direct customer service.
• Error fare websites: Sites like Secret Flying or Scott’s Cheap Flights (now Going) alert you to mistake fares – but you must book quickly and be flexible.
• Budget airline aggregators: For European low‑cost carriers, use a dedicated search like Kiwi.com that includes them.
• Hidden city ticketing: Booking a flight with a layover in your destination and skipping the last leg – risky, as airlines may cancel your return or ban you. Not recommended.
• VPN and incognito mode: Some claim prices vary by location or browsing history, but evidence is mixed. It doesn’t hurt to try, but don’t expect big savings.

Frequently Asked Questions

Is it cheaper to book directly with the airline? Often yes, because you avoid OTA fees and get better customer service, but not always. Budget airlines sometimes sell only on their own site. Always compare – the difference can be $50 or more on international flights.

What is the best day to book flights? Studies have shown that Tuesday and Wednesday are often cheaper, but this is not a rule. The real factor is demand – booking 6–8 weeks in advance for domestic and 2–3 months for international is a good rule of thumb. Use price alerts to track trends.

Do prices go up if I search multiple times? Some travellers report seeing higher prices after repeated searches due to cookies. While airlines deny this, using incognito mode or clearing cookies is a harmless precaution. However, prices genuinely fluctuate due to demand, so a change is not proof of tracking.

Are budget airlines safe? Yes, they must meet the same safety regulations as full‑service airlines. The lower price comes from charging for extras, not from cutting safety. However, they often have stricter baggage rules and less flexible change policies.

Can I book a flight with a stopover as a cheap way to visit two cities? Yes, many airlines offer free or low‑cost stopovers (e.g., Icelandair in Reykjavik, Turkish Airlines in Istanbul). Search for “stopover� on the airline’s site – it can be cheaper than two separate tickets.

What is the best time to book for holiday travel? For Christmas or spring break, book as early as possible – 3–6 months out. Prices only go up as seats fill. For last‑minute deals, you might find bargains 1–2 weeks before, but you risk sold‑out flights.

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in t | Flight time | h | 2 | 0
in d | Distance | km | 1500 | 0
out speed | Average speed | km/h | d / t | 0
out pace | Time per km | min/km | t * 60 / d | 2