Is Checked baggage free on international flights?

Related questions

1. How far is Prague Airport from City?
2. How many hours should I arrive before a flight?
3. Is Czech Airlines part of Star Alliance?
4. Can I use euros in Prague?
5. Does Prague airport accept mobile boarding passes?
6. Can you drink the tap water in Prague?
7. Does Czech airlines include baggage?
8. How early can I show up for a flight?
9. How much weight you can take in plane?
10. What not to put in checked baggage?

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