Help!!!!!

[Gisselle 3]

So i have a question my fiancé has his interview June 24 yay and I was planning to buy his ticket after the interview and one way but my friend that brought her husband from Colombia told me I have to buy a rountrip or I will have to buy one at the airport and he needs it because its a fiancé visa and in case he wants to come back but I had read that one way was ok another question how much we're your medical app so far we are at 240 one more app tomarrow and we are filing Costa Rica

[JimVaPhuong 4,863]

So i have a question my fiancé has his interview June 24 yay and I was planning to buy his ticket after the interview and one way but my friend that brought her husband from Colombia told me I have to buy a rountrip or I will have to buy one at the airport and he needs it because its a fiancé visa and in case he wants to come back but I had read that one way was ok another question how much we're your medical app so far we are at 240 one more app tomarrow and we are filing Costa Rica

The K1 is technically a non-immigrant visa, but it's a special class of non-immigrant visa - it's one of the few non-immigrant visas that specifically allows the alien to have an intent to become an immigrant after arriving in the US. A one way ticket is all that's required.

[Boyprince 2]

the interview fees is $240 and Medical :

X-Ray $20.00 or equivalent in colones
Blood test $11.00 or equivalent in colones
Physical exam $50.00 or equivalent in colones

[Chris921 13]

a one way trip is fine, i got a roundtrip because it worked out cheaper