No, pretty much by definition you can't have a single-entry visa that's valid for two transits. And while many/most nationalities would not require a visa for an airside transit at Frankfurt, unfortunately Cuban nationals do.

The correct visa for your situation is thus a multiple-entry visa. If you qualify for a single-entry visa, you'll likely qualify for this too.

It would still much more straightforward to fly Cuba-UK directly and avoid the need for Schengen visa completely, but looks like the last direct flight between the two has just been axed.

No, pretty much by definition you can't have a single-entry visa that's valid for two transits. And while many/most nationalities would not require a visa for an airside transit at Frankfurt, unfortunately Cuban nationals do.

The correct visa for your situation is thus a multiple-entry visa. If you qualify for a single-entry visa, you'll likely qualify for this too.

It would still be much more straightforward to fly Cuba-UK directly and avoid the need for a Schengen visa completely, but looks like the last direct flight between the two has just been axed.

No, pretty much by definition you can't have a single-entry visa that's valid for two transits. And while many/most nationalities would not require a visa for an airside transit at Frankfurt, unfortunately Cuban nationals do.

The correct visa for your situation is thus a multiple-entry visa. If you qualify for a single-entry visa, you'll likely qualify for this too, although it would still be straightforward to fly Cuba-UK directly and avoid the need for Schengen visa completely.

No, pretty much by definition you can't have a single-entry visa that's valid for two transits. And while many/most nationalities would not require a visa for an airside transit at Frankfurt, unfortunately Cuban nationals do.

The correct visa for your situation is thus a multiple-entry visa. If you qualify for a single-entry visa, you'll likely qualify for this too.

It would still much more straightforward to fly Cuba-UK directly and avoid the need for Schengen visa completely, but looks like the last direct flight between the two has just been axed.