Hi everyone!
Thanks for your advices on the plane ticket. We ended up applying for the US visa, which was surprisingly very simple and quick (and 160 US$ if you ask). Within a week, they had taken his fingerprints, interviewed him, put the visa in his passport (B1, so valid for 10 years) and sent back the passport!! The fact that he had COPR most probably helped.
Even with the extra fee for the visa, it was around 700$ cheaper to buy a one-way ticket through the States than anything else (we tried roundtrip fares too). So he'll be here in a week! We're moving in a new place 2 days after his arrival and I'm starting a new job the following week, it's going to be some intense days!
The only details worrying us now are
1) he's bringing 6 instruments with him (he's a luthier). So let's hope the extra bagage fees won't be too high.
2) the flight does Bogota-Medellin Medellin-Miami Miami-Montreal, with only 2h30 in Miami... Anyone with experience of transiting in this airport? It's with American Airlines, so staying in the same terminal at the very least.
Here in Montreal, it's snowing today... My dad is joking that Pedro (my husband) is just waiting for winter to end before finally arriving, but I'm secretly hoping he can see some snow before spring finally settles
Hope everything is going for the best for all of you.