cm / kg in / lbs
Hamilton One Prime: Airline Compatibility
7.3 kg
57 x 48 x 26 cm
Mid-size
The Hamilton One Prime features a unique auto-fold mechanism that collapses with a single push. At 7.3 kg, it is not the lightest, and the fold is mid-size. The auto-fold is genuinely useful when you have your hands full, which is basically always when traveling with kids.
How It Ranks
See full rankings →#26
Overall
of 48 strollers
#15
Lightest
of 48 strollers
#27
Smallest fold
of 48 strollers
2%
Carry-on rate
1 of 48 airlines
Traveling with the Hamilton One Prime
At the airport
The Hamilton One Prime weighs just 7.3 kg and folds to a remarkably compact 57x48x26 cm, making it one of the smallest and lightest folds in this entire group. Its standout feature is the gravity-assisted auto fold: release a button and the stroller folds itself. Parents find this genuinely useful when holding a child at the security line. The compact fold and light weight make airport navigation feel effortless.
On the plane
At 20cm folded depth and just 48x38cm in the other dimensions, the Hamilton One Prime is a strong overhead bin candidate. Parents report consistent success fitting it in bins on both narrow-body and wide-body aircraft. It is one of the few strollers where overhead bin storage is a realistic default rather than a hopeful exception. When bins are full, gate checking the 5.6kg frame is painless.
Good to know
The Hamilton One Prime is a favorite among frequent-flying families in Asia and is gaining recognition globally. The auto-fold mechanism is genuinely impressive and not just a gimmick. The trade-offs are a smaller canopy and less seat padding compared to heavier competitors. The ride quality is adequate for smooth surfaces but the small wheels struggle on cobblestones. Compared to the Cybex Libelle, the Hamilton offers a more compact fold and lighter weight but with a less refined overall feel. Excellent for overhead-bin-priority travelers.
Airline Compatibility
1 carry-on 47 gate check
cm / kg in / lbs Tap an airline to see details
Carry-on (1) 1
- Status
- Carry-on
- Carry-on limit
- Not specified
- Why you can carry on
- All folded dimensions fit within this airline's carry-on size limits
- Notes
- Strollers within 115 cm linear dimensions allowed. Free under 9 kg, fee for 9-23 kg.
Gate Check (47) 47
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Checked in with baggage. Fully collapsible pushchair free for infant/child booking, plus one of: car seat, booster, or travel cot.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Not carried in cabin. Small collapsible/umbrella strollers (max 25.5cm diameter, 92cm length) at gate. 1 stroller per child free. Returned at aircraft door.
- Status
- Gate check
- Carry-on limit
- 100L x 30W x 15H cm
- Why you need to gate check
- Folded size is 18cm too wide and 11cm too tall for this airline's limits
- Notes
- Compact foldable strollers within cabin baggage dimensions. Small cabin strollers max 15x30x100 cm. Standard strollers can also replace the hand baggage allowance at max 55x35x25 cm. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 55L x 40W x 23H cm
- Why you need to gate check
- Folded size is 2cm too long and 8cm too wide and 3cm too tall and 0.3kg too heavy for this airline's limits
- Notes
- Allowed on international and domestic jet services. Turboprop flights (NZ5000-NZ5999) require check-in. If flight is full, staff may ask you to gate-check.
- Status
- Gate check
- Carry-on limit
- 56L x 36W x 23H cm
- Why you need to gate check
- Folded size is 1cm too long and 12cm too wide and 3cm too tall and 0.3kg too heavy for this airline's limits
- Notes
- Foldable strollers (e.g. Pockit-style) allowed within cabin baggage allowance. One stroller/pram per infant or child checked free as additional checked baggage.
- Status
- Gate check
- Carry-on limit
- 56L x 36W x 23H cm
- Why you need to gate check
- Folded size is 1cm too long and 12cm too wide and 3cm too tall for this airline's limits
- Notes
- Must fit standard carry-on dimensions and fit in the overhead bin. One stroller per child gate-checked free. Returned at aircraft door.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Not allowed in cabin. One stroller per child gate-checked free. Does not count as checked baggage.
- Status
- Gate check
- Carry-on limit
- 56L x 36W x 23H cm
- Why you need to gate check
- Folded size is 1cm too long and 12cm too wide and 3cm too tall for this airline's limits
- Notes
- Any fully collapsible stroller fitting overhead bin. Does NOT count toward carry-on allowance. 1 stroller per ticketed child free. If carrying both stroller and car seat, only one can be gate-checked.
- Status
- Gate check
- Carry-on limit
- 55L x 40W x 25H cm
- Why you need to gate check
- Folded size is 2cm too long and 8cm too wide and 1cm too tall for this airline's limits
- Notes
- Compact strollers allowed in cabin on domestic flights only. Must fit carry-on size limits when folded. Counts as carry-on item. One stroller per child gate-checked free. ANA lends strollers at the airport for use until the boarding gate.
- Status
- Gate check
- Carry-on limit
- 56L x 45W x 25H cm
- Why you need to gate check
- Folded size is 1cm too long and 3cm too wide and 1cm too tall for this airline's limits
- Notes
- Must fold into carry bag and fit cabin bag dims. Replaces larger cabin bag. E.g. Babyzen Yoyo. All pushchairs taken to gate. Slimline singles within 117x38x38cm get aircraft door return (orange tag). Larger/double collected at carousel.
- Status
- Gate check
- Carry-on limit
- 56L x 36W x 23H cm
- Why you need to gate check
- Folded size is 1cm too long and 12cm too wide and 3cm too tall and 0.3kg too heavy for this airline's limits
- Notes
- Umbrella-type collapsible strollers if cabin stowage available. Collapsible strollers can be gate-checked. Stroller and car seat checked free for infants.
- Status
- Gate check
- Carry-on limit
- 55L x 40W x 25H cm
- Why you need to gate check
- Folded size is 2cm too long and 8cm too wide and 1cm too tall for this airline's limits
- Notes
- Compact foldable strollers allowed if cabin space available. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 56L x 36W x 23H cm
- Why you need to gate check
- Folded size is 1cm too long and 12cm too wide and 3cm too tall for this airline's limits
- Notes
- Small collapsible strollers fitting carry-on dimensions. Checked free at curbside, counter, or gate. Not counted as standard baggage.
- Status
- Gate check
- Carry-on limit
- 56L x 45W x 25H cm
- Why you need to gate check
- Folded size is 1cm too long and 3cm too wide and 1cm too tall for this airline's limits
- Notes
- Allowed in cabin only if folded and within 56x45x25cm (including handles/wheels) AND purchased as a large cabin bag. Most strollers do not fit. Gate-check is the standard approach. Collected at gate before boarding and placed in hold. Up to 2 items per child free.
- Status
- Gate check
- Carry-on limit
- 55L x 38W x 22H cm
- Why you need to gate check
- Folded size is 2cm too long and 10cm too wide and 4cm too tall for this airline's limits
- Notes
- One fully collapsible stroller if cabin space available and no car seat also being brought onboard. One stroller OR car seat OR carry-cot free for infants under 2. NOT returned at aircraft door. For children 2+ counts toward checked allowance.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- Folded size is 0.3kg too heavy for this airline's limits
- Notes
- If meets cabin baggage limits (L+W+H max 115cm, 7kg). Collected at gate before boarding. One pushchair, carry-cot, or car seat free in addition to child baggage allowance.
- Status
- Gate check
- Carry-on limit
- 56L x 36W x 23H cm
- Why you need to gate check
- Folded size is 1cm too long and 12cm too wide and 3cm too tall and 0.3kg too heavy for this airline's limits
- Notes
- Compact foldable strollers allowed if cabin space available. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 56L x 45W x 25H cm
- Why you need to gate check
- Folded size is 1cm too long and 3cm too wide and 1cm too tall for this airline's limits
- Notes
- Compact foldable strollers allowed if cabin space available. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 61L x 41W x 25H cm
- Why you need to gate check
- Folded size is 7cm too wide and 1cm too tall for this airline's limits
- Notes
- Compact collapsible strollers that fit overhead bin dimensions (carry-on size: 24x16x10 in). One stroller per child gate-checked free. Returned at destination.
- Status
- Gate check
- Carry-on limit
- 56L x 36W x 23H cm
- Why you need to gate check
- Folded size is 1cm too long and 12cm too wide and 3cm too tall for this airline's limits
- Notes
- Must fit standard carry-on dimensions. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 56L x 45W x 25H cm
- Why you need to gate check
- Folded size is 1cm too long and 3cm too wide and 1cm too tall for this airline's limits
- Notes
- Compact foldable strollers allowed if cabin space available. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Not allowed in cabin. Gate-checked strollers returned at baggage claim, not at the gate.
- Status
- Gate check
- Carry-on limit
- 55L x 40W x 25H cm
- Why you need to gate check
- Folded size is 2cm too long and 8cm too wide and 1cm too tall for this airline's limits
- Notes
- Compact foldable strollers allowed if within cabin baggage dimensions. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Not as cabin item. Courtesy gate-check at jetbridge. 1 stroller per lap infant free. Does not count toward checked bag allowance.
- Status
- Gate check
- Carry-on limit
- 56L x 36W x 23H cm
- Why you need to gate check
- Folded size is 1cm too long and 12cm too wide and 3cm too tall and 0.3kg too heavy for this airline's limits
- Notes
- Allowed if fits standard carry-on dimensions. Prams, strollers, portable cots, highchairs, and car seats all carried free as checked baggage with no oversized fee.
- Status
- Gate check
- Carry-on limit
- 100L x 30W x 15H cm
- Why you need to gate check
- Folded size is 18cm too wide and 11cm too tall for this airline's limits
- Notes
- Compact foldable strollers within cabin baggage dimensions. If space allows on KLM flights, stroller goes in cabin; otherwise gate-checked. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 100L x 20W x 20H cm
- Why you need to gate check
- Folded size is 28cm too wide and 6cm too tall for this airline's limits
- Notes
- Folded stroller allowed in cabin if within dimensions. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 55L x 35W x 25H cm
- Why you need to gate check
- Folded size is 2cm too long and 13cm too wide and 1cm too tall for this airline's limits
- Notes
- Compact foldable strollers allowed if cabin space available. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 55L x 40W x 23H cm
- Why you need to gate check
- Folded size is 2cm too long and 8cm too wide and 3cm too tall for this airline's limits
- Notes
- Compact foldable strollers within cabin baggage dimensions. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 55L x 40W x 23H cm
- Why you need to gate check
- Folded size is 2cm too long and 8cm too wide and 3cm too tall for this airline's limits
- Notes
- If ticket includes overhead cabin bag, can bring approved stroller instead (not both). LowFare ticket holders must check stroller. Some airports require check-in at counter, not gate. One stroller per child gate-checked free. Gate check availability varies by airport.
- Status
- Gate check
- Carry-on limit
- 56L x 36W x 23H cm
- Why you need to gate check
- Folded size is 1cm too long and 12cm too wide and 3cm too tall and 0.3kg too heavy for this airline's limits
- Notes
- Counts against adult carry-on allowance. Not permitted on Dash-8 or E190 aircraft. Free as complimentary infant item. Not available on Dash-8/E190 — must check at counter.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- One stroller, collapsible carry-cot, or pushchair per infant free in addition to infant baggage allowance.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Not allowed in cabin. 2 items of baby equipment free (pushchair, car seat, booster, or travel cot). Must tag at check-in or gate.
- Status
- Gate check
- Carry-on limit
- 55L x 40W x 23H cm
- Why you need to gate check
- Folded size is 2cm too long and 8cm too wide and 3cm too tall for this airline's limits
- Notes
- Umbrella strollers allowed in cabin within 20x20x100 cm. Gate check available but may vary by airport.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- Folded size is 0.3kg too heavy for this airline's limits
- Notes
- If compact and foldable. L+W+H max 115cm. Must remain closed during flight. Counts as cabin baggage. Must be properly packed in a suitable bag prior to boarding. Checked at counter, retrieved at baggage belt. Infants can check stroller and car seat free with baggage allowance.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Strollers should be checked, not carried on. 1 stroller per ticketed child free, in addition to 2 free checked bags. Any type accepted.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Not allowed in cabin. One stroller per child gate-checked free. Does not count toward checked bag allowance.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Not allowed in cabin. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 100L x 30W x 15H cm
- Why you need to gate check
- Folded size is 18cm too wide and 11cm too tall for this airline's limits
- Notes
- Compact foldable strollers within cabin baggage dimensions. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 55L x 40W x 20H cm
- Why you need to gate check
- Folded size is 2cm too long and 8cm too wide and 6cm too tall for this airline's limits
- Notes
- Compact foldable strollers allowed if cabin space available. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 55L x 40W x 23H cm
- Why you need to gate check
- Folded size is 2cm too long and 8cm too wide and 3cm too tall for this airline's limits
- Notes
- Compact foldable strollers within cabin baggage dimensions. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 56L x 35W x 22H cm
- Why you need to gate check
- Folded size is 1cm too long and 13cm too wide and 4cm too tall for this airline's limits
- Notes
- Only compact folding strollers (e.g. Babyzen YOYO). Counts as carry-on item. Over 20 lbs must check at counter. 1 stroller/folding wagon per child free. If carrying both stroller and car seat, only one can be gate-checked. Returned at aircraft door.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Not allowed in cabin. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- 56L x 36W x 23H cm
- Why you need to gate check
- Folded size is 1cm too long and 12cm too wide and 3cm too tall for this airline's limits
- Notes
- Replaces (not supplements) standard carry-on bag. Up to 3 special infant items (incl pram) carried free on domestic and short-haul international.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Not allowed in cabin. One stroller per child gate-checked free.
- Status
- Gate check
- Carry-on limit
- Not specified
- Why you need to gate check
- This airline does not allow any strollers as carry-on
- Notes
- Not allowed in cabin. One stroller per child gate-checked free. Returned at aircraft door.
- Status
- Gate check
- Carry-on limit
- 55L x 40W x 23H cm
- Why you need to gate check
- Folded size is 2cm too long and 8cm too wide and 3cm too tall for this airline's limits
- Notes
- Compact foldable strollers within cabin baggage dimensions. Counts as trolley bag if purchased. Electric/motorized strollers not allowed. One stroller per child gate-checked free. Tagged at check-in desk, baggage drop, or boarding gate.
Product data verified March 2026