Expedia is one of the largest and best-known online travel agencies. If you?ve recently purchased flights from Expedia, or are planning to do so, you may be wondering if you?re allowed to make itinerary changes, and if so, what it will cost. Rest assured, we?ve got you covered: this brief guide explains Expedia?s flight change policies, fees, and how to quickly make the itinerary changes online. It also explains what to do when the airline or Expedia changes your flight. Do you need to cancel Expedia flights or use an Expedia flight credit? If you have questions about Expedia flight cancellation policies and fees, you can find the answers here. We?ve also got information on how use a flight credit from Expedia.