Can I make a one-way reservation for another airline when I come on a trip abroad?

overseas-trip travel one-way airline reservation

Or is it only possible to return?

I haven't heard that you also reserved a flight

1430 2017-09-26 Lady

A. 1

Of course, you can do it one way

Lady 7 years ago 0

A. 2

Possible

Lady 7 years ago 0

A. 3

It's possible, but I'm not sure if there's any benefit if I make a reservation in advance
Round trip is much cheaper
There are even cases where it's cheaper than one way

Gentleman 7 years ago 0

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