App in the Air might be a bit more popular than CheapOair. We know about 1 link to it since March 2021 and only 1 link to CheapOair. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The difference is in the airline itself - you booked with KLM you said, through cheapoair.com - did you go to the KLM website and see what that same ticket would cost? The United flight on 'cheapoair' or whatever is going to be comparable to what it is on the website (within a few bucks as someone else stated). Source: about 2 years ago
Not self-hosted, but I use App in the Air on my phone. Source: 10 months ago
KAYAK - KAYAK is a travel search engine that searches hundreds of other travel sites at once. Our helpful tools & features find you the information you need to make the right decisions on flights, hotels, rental cars and vacation packages.
JetRadar - Compare flights from hundreds of airlines & travel agencies
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
TripIt - TripIt is a travel app that creates a master itinerary to organize all of your plans for your vacation or work trip in one spot.
Expedia - Save up to 60% with Expedia Mobile Exclusive hotel deals!
Plip Trip Planner - Imagine having all of your travel arrangements organized in one, easy to read itinerary.