Based on our record, Skiplagged seems to be a lot more popular than CheapOair. While we know about 62 links to Skiplagged, we've tracked only 1 mention of 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
Skiplagged.com check here, this website compares prices offered by different websites and shows you the cheapest flights available. Source: 10 months ago
Http://skiplagged.com is great if you're traveling without checked luggage. Source: 11 months ago
You’re thinking of https://skiplagged.com/. Source: 11 months ago
OP, also check out https://skiplagged.com which is designed to help you find flights with fare classes that are friendlier to what you’re trying. As others have stated, airlines are cracking dow if you do it repeatedly so use sparingly when the price difference is significant. Source: 12 months ago
Skiplagged.com is worth a look. You can select your departure airport and US as your destination,. Source: 12 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.
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
Expedia - Save up to 60% with Expedia Mobile Exclusive hotel deals!
Momondo - Find cheap flights with Momondo.
Google Flights - Find cheap flights in seconds, explore destinations on a map, and sign up for fare alerts on Google Flights.
FlightHub - Cheap Flights, Airline tickets and Hotels. FlightHub offers amazing deals to flights all around the world.