AYChecked 26 Oct 2026 against finnair.com
Finnair cabin bag size 2026
On Finnair’s cheapest fare (Economy Superlight) you can bring one free under-seat bag up to 40 × 30 × 15 cm and 8 kg. A cabin bag up to 55 × 40 × 23 cm and 8 kg isn’t included on Economy Superlight. It comes with Economy Classic and Flex, Economy Light, Premium Economy Light, Classic and Flex and Business Light, Classic and Flex.
Check my bag against Finnair- Free under-seat bag
- 40 × 30 × 15 cmup to 8 kgOn Economy Superlight
- Overhead cabin bag
- 55 × 40 × 23 cmup to 8 kgNot on the cheapest fare
Check your bag against Finnair’s limits
Finnair hand luggage and cabin bags by fare
What each ticket type includes, as published by Finnair.
| Fare | Under-seat bag | Cabin bag |
|---|---|---|
Economy Superlight
| Included 40 × 30 × 15 cm · 8 kg Your only bag on this fare: a small handbag, laptop bag or backpack that fits under the seat in front of you. Max 8 kg. | Paid add-on 55 × 40 × 23 cm · 8 kg Buy a carry-on bag when you book or later in Manage booking, up to 30 minutes before departure €16–30 one way online on flights within the rest of Europe; €40 at the airport Not included. With a paid carry-on bag, 8 kg is the total for both bags. Within Finland and Northern Europe it costs €12–25 online or €35 at the airport. |
Economy Classic and Flex
| Included 40 × 30 × 15 cm A small handbag, laptop bag or backpack that fits under the seat in front of you. No separate weight limit: it counts towards the 8 kg total with your cabin bag. | Included 55 × 40 × 23 cm · 8 kg One cabin bag, such as a trolley bag, in the overhead locker. 8 kg is the total for your cabin bag and small bag together. |
Economy Light
| Included 40 × 30 × 15 cm A small handbag, laptop bag or backpack that fits under the seat in front of you. No separate weight limit: it counts towards the 8 kg total with your cabin bag. | Included 55 × 40 × 23 cm · 8 kg One cabin bag, such as a trolley bag, in the overhead locker. 8 kg is the total for your cabin bag and small bag together. |
Premium Economy Light, Classic and Flex
| Included 40 × 30 × 15 cm A small handbag, laptop bag or backpack that fits under the seat in front of you. No separate weight limit: it counts towards the 8 kg total with your cabin bag. | Included 55 × 40 × 23 cm · 8 kg One cabin bag, such as a trolley bag, in the overhead locker. 8 kg is the total for your cabin bag and small bag together. |
Business Light, Classic and Flex
| Included 40 × 30 × 15 cm A small handbag, laptop bag or backpack that fits under the seat in front of you. No separate weight limit: it counts towards the 12 kg total with your cabin bag. | Included 55 × 40 × 23 cm · 12 kg One cabin bag in the overhead locker. 12 kg is the total for your cabin bag and small bag together. |
If your bag is too big at the gate
Bring a cabin bag to the gate that you haven't bought or that isn't included in your booking, or one over the size or weight limit, and it goes in the hold for a fee. On full flights this is very common, so check extra bags in at the airport instead.
€60
It’s almost always cheaper to add the right bag when you book or online before you fly.
Other Finnair cabin rules worth knowing
- Finnair Plus Silver, Gold, Platinum and Platinum Lumo members can take one free cabin bag on Economy Superlight on flights within Europe.
- Duty-free counts towards your cabin allowance and must stay sealed in its airport security bag with the receipt.
- Children get the same allowance as adults on the same ticket type. Babies without their own seat get no cabin baggage allowance.
- Overhead lockers above the emergency exit rows are kept for the passengers sitting there.
- Musical instruments can go in the cabin if length + width + height is no more than 125 cm and they fit your weight limit.
- You can bring enough baby milk and baby food for the whole journey.
Also check before you fly Finnair
Power banks on Finnair
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 airportFinnair cabin bag questions
What size is Finnair’s free under-seat bag (personal item)?
40 × 30 × 15 cm, up to 8 kg on the Economy Superlight fare. It must fit under the seat in front of you.
What size cabin bag can I take on Finnair?
Up to 55 × 40 × 23 cm and 8 kg. It’s included with Economy Classic and Flex, Economy Light, Premium Economy Light, Classic and Flex and Business Light, Classic and Flex.
What is the Finnair hand luggage weight limit?
The cabin bag can weigh up to 8 kg. The free under-seat bag can weigh up to 8 kg.
How much does a Finnair cabin bag cost?
The 55x40x23 cm cabin bag isn’t free on the cheapest fare. Buy a carry-on bag when you book or later in Manage booking, up to 30 minutes before departure. Adding it costs €16–30 one way online on flights within the rest of Europe; €40 at the airport.
What happens if my bag is too big for Finnair?
Bring a cabin bag to the gate that you haven't bought or that isn't included in your booking, or one over the size or weight limit, and it goes in the hold for a fee. On full flights this is very common, so check extra bags in at the airport instead. €60
What are the Finnair cabin bag dimensions in inches?
Free under-seat bag (40x30x15 cm): 15.7 × 11.8 × 5.9 in. Cabin bag (55x40x23 cm): 21.7 × 15.7 × 9.1 in.
How many litres is the Finnair cabin bag allowance?
At most 18 litres for the free under-seat bag (40x30x15 cm) and at most 50.6 litres for the cabin bag (55x40x23 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 Finnair?
Usually yes. The limit is on size, not on the type of bag, so a backpack that measures 40 × 30 × 15 cm or less when packed fits the free allowance. Straps and pockets count towards the size.
What are the liquids rules for Finnair hand luggage?
Finnair 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 Finnair compares
Free allowances on the cheapest fare of similar airlines.
| Airline · cheapest fare | Free under-seat bag | Overhead cabin bag | Details |
|---|---|---|---|
| FinnairEconomy Superlight | Under-seat40 × 30 × 15 cm · 8 kg | Cabin bagPaid add-on · 55 × 40 × 23 cm · 8 kg | |
| 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 |