Which airlines allow a 56 × 40 × 25 cm cabin bag?

56 × 40 × 25 cm (22 × 15.7 × 9.8 in) is the cabin bag limit on Iberia. It fits the carry-on limit on 8 of 38 airlines here (right at the limit on Allegiant), but not on the other 30. It’s too big for every under-seat limit.

Checked against the airlines’ websites on

Will your bag fit?

Measure it standing up, wheels and handles included.

Fits the carry-on limit on 8 of 38 airlines.

  • 24 × 16 × 11 inSun CountryFits
  • 56 × 45 × 25 cmeasyJet, British Airways and Jet2Fits
  • 24 × 16 × 10 inSouthwest and FrontierFits
  • 56 × 40 × 25 cmIberiaFits
  • 22 × 16 × 10 inAllegiantRight at the limit
  • 55 × 40 × 24 cmAer LingusToo big: 1 cm too tall
  • 55 × 40 × 23 cmWizz Air, Lufthansa, Air Canada, Porter and FlairToo big: 2 cm too deep
  • 55 × 35 × 25 cmKLM and Air FranceToo big: 6 cm over the total
  • 54 × 38 × 23 cmScootToo big: 6 cm over the total
  • 22 × 14 × 9 inAmerican, Delta, United, JetBlue, Alaska, Hawaiian, Breeze and AveloToo big: 4 cm too wide
  • 56 × 36 × 23 cmVirgin Atlantic, AirAsia, Malaysia Airlines, Batik Air, Cathay Pacific, WestJet, Jetstar, Qantas and Virgin AustraliaToo big: 4 cm too wide
  • 55 × 40 × 20 cmRyanair and VuelingToo big: 5 cm too deep
  • 48 × 34 × 23 cmRexToo big: 16 cm over the total
Every carry-on limit here, drawn to the same scale: height up, width across. Depth is in the label.

United States

  • American AirlinesCarry-on: 4 cm too wideFree under-seat bag: 10.3 cm too tall
  • Delta Air LinesCarry-on: 6.7 cm over the totalFree under-seat bag: No size published
  • United AirlinesCarry-on: 4.4 cm too wideFree under-seat bag: 14.6 cm too wide
  • Southwest AirlinesCarry-on: FitsFree under-seat bag: No size published
  • JetBlueCarry-on: 4.4 cm too wideFree under-seat bag: 12.8 cm too tall
  • Alaska AirlinesCarry-on: 6.7 cm over the totalFree under-seat bag: No size published
  • Frontier AirlinesPaid cabin bag: FitsFree under-seat bag: 10.3 cm too tall
  • Allegiant AirPaid cabin bag: Right at the limitFree under-seat bag: 10.3 cm too tall
  • Hawaiian AirlinesCarry-on: 6.7 cm over the totalFree under-seat bag: No size published
  • Sun Country AirlinesPaid cabin bag: FitsFree under-seat bag: 12.8 cm too tall
  • Breeze AirwaysPaid cabin bag: 4.4 cm too wideFree under-seat bag: 12.8 cm too tall
  • Avelo AirlinesPaid cabin bag: 4.4 cm too wideFree under-seat bag: 12.8 cm too tall

Canada

  • Air CanadaCarry-on: 2 cm too deepFree under-seat bag: 12.8 cm too tall
  • WestJetCarry-on: 4 cm too wideFree under-seat bag: 15 cm too tall
  • Porter AirlinesCarry-on: 2 cm too deepFree under-seat bag: 12.8 cm too tall
  • Flair AirlinesPaid cabin bag: 2 cm too deepFree under-seat bag: 13 cm too tall

UK and Europe

  • RyanairPaid cabin bag: 5 cm too deepFree under-seat bag: 16 cm too tall
  • easyJetPaid cabin bag: FitsFree under-seat bag: 11 cm too tall
  • British AirwaysCarry-on: FitsFree under-seat bag: 15.4 cm too tall
  • Wizz AirPaid cabin bag: 2 cm too deepFree under-seat bag: 16 cm too tall
  • Jet2Carry-on: FitsFree under-seat bag: 16 cm too tall
  • LufthansaCarry-on: 2 cm too deepFree under-seat bag: 16 cm too tall
  • KLM Royal Dutch AirlinesCarry-on: 6 cm over the totalFree under-seat bag: 16 cm too tall
  • Air FranceCarry-on: 4.9 cm too wideFree under-seat bag: 15.4 cm too tall
  • VuelingPaid cabin bag: 5 cm too deepFree under-seat bag: 16 cm too tall
  • Aer LingusCarry-on: 1 cm too tallFree under-seat bag: 16 cm too tall
  • IberiaCarry-on: FitsFree under-seat bag: 16 cm too tall
  • Virgin AtlanticCarry-on: 4 cm too wideFree under-seat bag: 16 cm too tall

Asia

  • AirAsiaCarry-on: 4 cm too wideFree under-seat bag: 16 cm too tall
  • Malaysia AirlinesCarry-on: 6 cm over the totalFree under-seat bag: 35 cm over the total
  • Batik Air MalaysiaCarry-on: 6 cm over the totalFree under-seat bag: No size published
  • Singapore AirlinesCarry-on: 6 cm over the totalFree under-seat bag: 41 cm over the total
  • ScootCarry-on: 6 cm over the totalFree under-seat bag: 16 cm too tall
  • Cathay PacificCarry-on: 4 cm too wideFree under-seat bag: No size published

Australia

  • Jetstar AirwaysCarry-on: 4 cm too wideFree under-seat bag: No size published
  • QantasCarry-on: 4 cm too wideFree under-seat bag: 8 cm too tall
  • Virgin AustraliaCarry-on: 4 cm too wideFree under-seat bag: 11 cm too tall
  • Rex (Regional Express)Carry-on: 16 cm over the totalFree under-seat bag: No size published

Almost every airline counts wheels and handles: measure your bag the way the sizer does.

Airlines whose limit is 56 × 40 × 25 cm

  • Iberia: Baggage up to 10 kg: included in every fare, up to 10 kg (22 lb).

Questions

Is 56x40x25 cm a cabin bag size?

It fits the carry-on limit on 8 of 38 airlines: Southwest, Frontier, Allegiant (right at the limit), Sun Country, easyJet, British Airways, Jet2 and Iberia. It’s too big for American (4 cm too wide), Delta (6.7 cm over the total), United (4.4 cm too wide), JetBlue (4.4 cm too wide), Alaska (6.7 cm over the total), Hawaiian (6.7 cm over the total), Breeze (4.4 cm too wide), Avelo (4.4 cm too wide), Ryanair (5 cm too deep), Wizz Air (2 cm too deep), Lufthansa (2 cm too deep), KLM (6 cm over the total), Air France (4.9 cm too wide), Vueling (5 cm too deep), Aer Lingus (1 cm too tall), Virgin Atlantic (4 cm too wide), AirAsia (4 cm too wide), Malaysia Airlines (6 cm over the total), Batik Air (6 cm over the total), Singapore Airlines (6 cm over the total), Scoot (6 cm over the total), Cathay Pacific (4 cm too wide), Air Canada (2 cm too deep), WestJet (4 cm too wide), Porter (2 cm too deep), Flair (2 cm too deep), Jetstar (4 cm too wide), Qantas (4 cm too wide), Virgin Australia (4 cm too wide) and Rex (16 cm over the total).

Can a 56 × 40 × 25 cm bag go under the seat?

No: it’s bigger than every published under-seat limit, the largest being 48 × 34 × 23 cm on Qantas. It has to go in the overhead bin.

Is a 56 × 40 × 25 cm bag free to take on board?

Free in every fare on Southwest, British Airways, Jet2 and Iberia. On Frontier, Allegiant, Sun Country and easyJet it’s a paid cabin bag: only a smaller under-seat bag is free. On Delta, Alaska, Hawaiian, Batik Air, Cathay Pacific, Jetstar and Rex it’s over the carry-on limit and no under-seat size is published, so it’s free only if it fits under the seat in front of you. On American, United, JetBlue, Breeze, Avelo, Ryanair, Wizz Air, Lufthansa, KLM, Air France, Vueling, Aer Lingus, Virgin Atlantic, AirAsia, Malaysia Airlines, Singapore Airlines, Scoot, Air Canada, WestJet, Porter, Flair, Qantas and Virgin Australia it’s too big for the cabin and would have to be checked.

Other bag sizes

Every carry-on and under-seat size

Sources

  1. American Airlines: Carry-on bags and size limits (checked 30 October 2026)
  2. Delta Air Lines: Carry-On Baggage (checked 30 October 2026)
  3. United Airlines: Carry-on bags (checked 30 October 2026)
  4. Southwest Airlines: Carryon and Personal Item Policy (checked 30 October 2026)
  5. JetBlue: Carry-On Bags (checked 30 October 2026)
  6. Alaska Airlines: Carry-on luggage size limit (checked 30 October 2026)
  7. Frontier Airlines: Bag size limits (checked 30 October 2026)
  8. Allegiant Air: Carry-On and Checked Baggage Policy, Size & Fees (checked 30 October 2026)
  9. Hawaiian Airlines: Carry-on luggage size limit (checked 30 October 2026)
  10. Sun Country Airlines: Bags and optional services (checked 30 October 2026)
  11. Breeze Airways: Bag allowance and dimensions (checked 30 October 2026)
  12. Avelo Airlines: Carry-on bags (checked 30 October 2026)
  13. Ryanair: General Terms and Conditions of Carriage, Article 8: Baggage (checked 30 October 2026)
  14. easyJet: Cabin bags (checked 30 October 2026)
  15. British Airways: Baggage essentials (checked 30 October 2026)
  16. Wizz Air: Cabin baggage (checked 30 October 2026)
  17. Jet2: Baggage (checked 30 October 2026)
  18. Lufthansa: Carry-on baggage rules at Lufthansa (checked 2 November 2026)
  19. KLM: Cabin baggage allowance (checked 2 November 2026)
  20. Air France: Authorized baggage: weight, size, and baggage allowance (checked 2 November 2026)
  21. Vueling: Hand luggage (checked 2 November 2026)
  22. Aer Lingus: Carry-on Baggage (checked 2 November 2026)
  23. Iberia: Hand luggage (checked 2 November 2026)
  24. Virgin Atlantic: What is my hand baggage allowance? (checked 2 November 2026)
  25. AirAsia: Baggage (checked 30 October 2026)
  26. Malaysia Airlines: Cabin baggage (checked 30 October 2026)
  27. Batik Air Malaysia: Baggage allowance (checked 30 October 2026)
  28. Singapore Airlines: Cabin baggage (checked 30 October 2026)
  29. Scoot: Baggage allowance, policy and rules (checked 30 October 2026)
  30. Cathay Pacific: Fare classes (checked 30 October 2026)
  31. Air Canada: Carry-on baggage (checked 30 October 2026)
  32. WestJet: Carry-on baggage (checked 30 October 2026)
  33. Porter Airlines: Carry-on baggage (checked 2 November 2026)
  34. Flair Airlines: Baggage info (checked 2 November 2026)
  35. Jetstar: Carry-on baggage (checked 30 October 2026)
  36. Qantas: Carry-on baggage allowances (checked 30 October 2026)
  37. Virgin Australia: Carry-on baggage (checked 30 October 2026)
  38. Rex: Baggage (checked 2 November 2026)

Airline rules change. Spotted a figure that no longer matches the airline’s website? Tell us; corrections are logged on the sources page.