SQChecked 21 Oct 2026 against singaporeair.com
Singapore Airlines cabin bag size 2026
On Singapore Airlines’ cheapest fare (Economy Lite) you can bring one free under-seat bag up to 40 × 30 × 10 cm. A cabin bag up to 7 kg (the airline publishes no size) is included too.
Check my bag against Singapore Airlines- Free under-seat bag
- 40 × 30 × 10 cmOn Economy Lite
- Overhead cabin bag
- Included, size not publishedup to 7 kgIncluded on Economy Lite
Check your bag against Singapore Airlines’ limits
Singapore Airlines hand luggage and cabin bags by fare
What each ticket type includes, as published by Singapore Airlines.
| Fare | Under-seat bag | Cabin bag |
|---|---|---|
Economy Lite
| Included 40 × 30 × 10 cm One extra item on top of your cabin bag, such as a handbag, camera bag, document bag or laptop bag, up to 40 × 30 × 10 cm. Over 80 cm in total, it counts as your cabin bag. | Included Size not published · 7 kg One cabin bag, up to 7 kg. Length + width + height must not exceed 115 cm (45 in). No separate length, width and height limit is published. It must also stow in the overhead locker or under the seat in front. |
Economy Value, Standard and Flexi
| Included 40 × 30 × 10 cm One extra item on top of your cabin bag, such as a handbag, camera bag, document bag or laptop bag, up to 40 × 30 × 10 cm. Over 80 cm in total, it counts as your cabin bag. | Included Size not published · 7 kg One cabin bag, up to 7 kg. Length + width + height must not exceed 115 cm (45 in). No separate length, width and height limit is published. It must also stow in the overhead locker or under the seat in front. |
Premium Economy
| Included 40 × 30 × 10 cm One extra item on top of your cabin bag, such as a handbag, camera bag, document bag or laptop bag, up to 40 × 30 × 10 cm. Over 80 cm in total, it counts as your cabin bag. | Included Size not published · 7 kg One cabin bag, up to 7 kg. Length + width + height must not exceed 115 cm (45 in). |
Business, First Class and Suites
| Included 40 × 30 × 10 cm One extra item on top of your cabin bag, such as a handbag, camera bag, document bag or laptop bag, up to 40 × 30 × 10 cm. Over 80 cm in total, it counts as your cabin bag. | Included Size not published · 7 kg Two cabin bags, each up to 7 kg. Length + width + height of each bag must not exceed 115 cm (45 in). |
If your bag is too big at the gate
Singapore Airlines checks cabin bags at check-in and again before boarding. A bag over the limit must be checked in at check-in, or is collected before boarding and stored in the hold. Excess baggage charges may be added if your checked weight or pieces then go over your free allowance.
It’s almost always cheaper to add the right bag when you book or online before you fly.
Other Singapore Airlines cabin rules worth knowing
- Flying from Heathrow or Manchester, Economy gets one cabin bag and one personal item. Business and First get two cabin bags and one personal item.
- From Heathrow, a laptop in a thin satchel or slim briefcase is a personal item. A laptop in a larger computer bag or bulky briefcase counts as a cabin bag.
- Infant amenities and food for use on board can be your extra item, up to 6 kg in total.
- Power banks must travel in your cabin bag, not the hold. Keep them in the seat pocket or under the seat, not in the overhead locker. You cannot use or charge them on board.
- Smart bags can go in the cabin only if the removable battery is 160 Wh or less and the bag is within the 7 kg limit.
- Singapore Airlines decides at its sole discretion whether a bag can travel in the cabin or must be checked in.
Also check before you fly Singapore Airlines
Power banks on Singapore Airlines
Spare batteries and power banks must go in your hand luggage, never in the hold.
Power-bank rules and Wh calculatorLiquids depend on the airport
The airline doesn’t set the liquids limit. The departure airport’s security does. Some now allow up to 2 litres.
Liquids rules by airportSingapore Airlines cabin bag questions
What size is Singapore Airlines’ free under-seat bag (personal item)?
40 × 30 × 10 cm on the Economy Lite fare. It must fit under the seat in front of you.
What happens if my bag is too big for Singapore Airlines?
Singapore Airlines checks cabin bags at check-in and again before boarding. A bag over the limit must be checked in at check-in, or is collected before boarding and stored in the hold. Excess baggage charges may be added if your checked weight or pieces then go over your free allowance.
What are the Singapore Airlines cabin bag dimensions in inches?
Free under-seat bag (40x30x10 cm): 15.7 × 11.8 × 3.9 in.
How many litres is the Singapore Airlines cabin bag allowance?
At most 12 litres for the free under-seat bag (40x30x10 cm). That is the volume of a square-cornered box with exactly those measurements. A real bag has rounded corners, so check the size on the label as well as the litres.
Can I use a backpack as my free under-seat bag on Singapore Airlines?
Usually yes. The limit is on size, not on the type of bag, so a backpack that measures 40 × 30 × 10 cm or less when packed fits the free allowance. Straps and pockets count towards the size.
What are the liquids rules for Singapore Airlines hand luggage?
Singapore Airlines doesn’t set the liquids limit. The airport you fly from does: some airports still enforce 100 ml, while others now allow containers up to 2 litres. Check your departure airport on our liquids rules page.
Shopping for a bag? See cabin bag size in litres to turn centimetres into litres.
How Singapore Airlines compares
Free allowances on the cheapest fare of similar airlines.
| Airline · cheapest fare | Free under-seat bag | Overhead cabin bag | Details |
|---|---|---|---|
| Singapore AirlinesEconomy Lite | Under-seat40 × 30 × 10 cm | Cabin bagIncluded · size not published | |
| Air FranceBasic | Under-seat40 × 30 × 15 cm | Cabin bagPaid add-on · 55 × 35 × 25 cm · 12 kg | |
| American AirlinesBasic Economy | Under-seat45 × 35 × 20 cm | Cabin bag56 × 36 × 23 cm | |
| British AirwaysEconomy (no checked bag) | Under-seat40 × 30 × 15 cm | Cabin bag56 × 45 × 25 cm | |
| Delta Air LinesDelta Main Basic (Basic Economy) | Under-seatIncluded · size not published | Cabin bag56 × 35 × 23 cm |