Does the Aer Travel Pack 3 fit Lufthansa's carry-on bag limit?

Yes. The Aer Travel Pack 3 is within the Lufthansa carry-on bag limit of 55 × 40 × 23 cm (≈ 21.7 × 15.7 × 9.1 in) on every side: height +0.5 cm, width +7.0 cm, depth +0.1 cm.

Lufthansa limit 55 × 40 × 23 cm (≈ 21.7 × 15.7 × 9.1 in) · Lufthansa baggage page, checked 2026-10-26Aer Travel Pack 3 21.5 × 13 × 9 in (54.5 × 33 × 21.5 cm) · maker’s page

Aer Travel Pack 3 in the Lufthansa sizer

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FRONTSIDE40 cm wide23 cm deep55 cm tall
Lufthansa carry-on bag limitAer Travel Pack 3, as listedDrawn to scale
FRONTSIDE30 cm wide15 cm deep40 cm tall
Lufthansa · Personal item

Aer Travel Pack 3

Too bigNo. The Aer Travel Pack 3 is larger than the Lufthansa personal item limit of 40 × 30 × 15 cm (≈ 15.7 × 11.8 × 5.9 in) in height and width and depth: height −14.5 cm, width −3.0 cm, depth −7.9 cm.
LimitBagRoomHeight, cm4054.5−14.5 cmWidth, cm3033−3.0 cmDepth, cm1522.9−7.9 cmWeight, kgnone1.87—

Other bags for Lufthansa

BagVerdict
Osprey Farpoint 40Fits
Osprey Fairview 40Fits
Tortuga Pro Backpack 40LFits
Nomatic Travel Pack 20LFits
CABINZERO Classic 44LFits

Travel Pack 3 on other airlines

AirlineVerdict
DeltaFits
UnitedFits
AmericanFits
SouthwestFits
JetBlueFits
SpiritFits
FrontierFits
AllegiantFits
All 18 airlines for the Travel Pack 3

Questions

Is the Aer Travel Pack 3 allowed as Lufthansa carry-on bag?

Yes. The Aer Travel Pack 3 is within the Lufthansa carry-on bag limit of 55 × 40 × 23 cm (≈ 21.7 × 15.7 × 9.1 in) on every side: height +0.5 cm, width +7.0 cm, depth +0.1 cm.

Is the Aer Travel Pack 3 allowed as Lufthansa personal item?

No. The Aer Travel Pack 3 is larger than the Lufthansa personal item limit of 40 × 30 × 15 cm (≈ 15.7 × 11.8 × 5.9 in) in height and width and depth: height −14.5 cm, width −3.0 cm, depth −7.9 cm.

How much can I pack in the Aer Travel Pack 3 on Lufthansa?

Lufthansa allows 8 kg for the carry-on bag. The pack weighs 4.12 lb empty, which leaves about 6.1 kg for your things.