Samsonite Spinner Underseater with USB Port on TAP Air Portugal
Bag 16.5×13.8×9" vs sizer 21.6×15.7×7.9"
Fits, if packed soft.
🎒 Backpacker's tip: The Samsonite Spinner Underseater with USB Port is soft-shell, so its depth runs ~1.5" over TAP Air Portugal's limit — but it squeezes into the metal sizer fine as long as you don't over-stuff the front pockets.
The verdict, explained
At 16.5x13.8x9", the Samsonite Spinner Underseater with USB Port is over TAP Air Portugal's 21.6x15.7x7.9" limit by 1.1" on its shortest side, but it is a soft-sided bag. Cinch the compression straps and avoid overstuffing the outer pockets and it will squeeze into the metal sizer; pack it bulging, though, and a gate agent may flag it. On TAP Air Portugal: Discount fare excludes the cabin trolley. It is too large for TAP Air Portugal's under-seat personal-item space, so it has to go overhead or be checked.
| Axis | Bag | Sizer | Margin |
|---|---|---|---|
| Length | 16.5" | 21.6" | +5.1" |
| Width | 13.8" | 15.7" | +1.9" |
| Height | 9" | 7.9" | -1.1" |
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Frequently asked
Does the Samsonite Spinner Underseater with USB Port fit TAP Air Portugal's carry-on size limit?
Just about. The Samsonite Spinner Underseater with USB Port is slightly over TAP Air Portugal's 21.6x15.7x7.9" limit, but as a soft-sided bag it compresses into the sizer when packed sensibly.
What is TAP Air Portugal's carry-on size limit?
TAP Air Portugal allows carry-on bags up to 21.6x15.7x7.9" (length x width x height), including wheels and handles. Discount fare excludes the cabin trolley.
Can the Samsonite Spinner Underseater with USB Port be a personal item on TAP Air Portugal?
No. At 16.5x13.8x9" it is too big for TAP Air Portugal's under-seat personal-item space (15.7x11.8x5.9"); it travels as a carry-on instead.
Bags that clear TAP Air Portugal's sizer
Alternatives that fit the 21.6×15.7×7.9" limit outright.
The Samsonite Spinner Underseater with USB Port on other airlines
Same bag, different sizers — check before a connecting or return flight.
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