Which airlines allow a 43 × 33 × 15 cm under-seat bag?

43 × 33 × 15 cm (16.9 × 13 × 5.9 in) is the under-seat bag limit on Flair. It fits the under-seat limit on 13 of the 30 airlines that publish one, but not on the other 17. It fits every carry-on limit too.

Checked against the airlines’ websites on

Will your bag fit under the seat?

Measure it standing up, wheels and handles included.

Fits the under-seat limit on 13 of the 30 airlines that publish one, and every carry-on limit.

  • 48 × 34 × 23 cmQantasFits
  • 17 × 13 × 9 inSun Country and AveloFits
  • 45 × 36 × 20 cmeasyJetFits
  • 18 × 14 × 8 inAmerican, Frontier and AllegiantFits
  • 45 × 33 × 20 cmVirgin AustraliaFits
  • 17 × 13 × 8 inJetBlue and BreezeFits
  • 40 × 30 × 20 cmRyanair, Wizz Air, Jet2, Vueling and Aer LingusToo big: 3 cm too tall
  • 17 × 10 × 9 inUnitedToo big: 7.6 cm too wide
  • 43 × 33 × 16 cmAir Canada and PorterFits
  • 36 × 25 × 25 cmMalaysia AirlinesToo big: 8 cm too wide
  • 43 × 33 × 15 cmFlairFits
  • 41 × 33 × 15 cmWestJetToo big: 2 cm too tall
  • 40 × 30 × 15 cmBritish Airways, Lufthansa, KLM, Air France, Iberia and Virgin AtlanticToo big: 2.5 cm too wide
  • 40 × 30 × 10 cmAirAsia, Singapore Airlines and ScootToo big: 5 cm too deep
Every published personal item limit, drawn to the same scale: height up, width across. Depth is in the label.

United States

Canada

UK and Europe

  • RyanairPaid cabin bag: FitsFree under-seat bag: 3 cm too tall
  • easyJetPaid cabin bag: FitsFree under-seat bag: Fits
  • British AirwaysCarry-on: FitsFree under-seat bag: 2.5 cm too wide
  • Wizz AirPaid cabin bag: FitsFree under-seat bag: 3 cm too tall
  • Jet2Carry-on: FitsFree under-seat bag: 3 cm too tall
  • LufthansaCarry-on: FitsFree under-seat bag: 3 cm too tall
  • KLM Royal Dutch AirlinesCarry-on: FitsFree under-seat bag: 3 cm too tall
  • Air FranceCarry-on: FitsFree under-seat bag: 2.5 cm too wide
  • VuelingPaid cabin bag: FitsFree under-seat bag: 3 cm too tall
  • Aer LingusCarry-on: FitsFree under-seat bag: 3 cm too tall
  • IberiaCarry-on: FitsFree under-seat bag: 3 cm too tall
  • Virgin AtlanticCarry-on: FitsFree under-seat bag: 3 cm too tall

Asia

Australia

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

Airlines whose limit is 43 × 33 × 15 cm

  • Flair Airlines: Personal item: included in every fare, up to 7 kg (15.5 lb).

Questions

Can a 43 × 33 × 15 cm bag go under the seat?

It fits the under-seat limit on 13 of the 30 airlines that publish one: American, JetBlue, Frontier, Allegiant, Sun Country, Breeze, Avelo, easyJet, Air Canada, Porter, Flair, Qantas and Virgin Australia. It’s too big for United (7.6 cm too wide), Ryanair (3 cm too tall), British Airways (2.5 cm too wide), Wizz Air (3 cm too tall), Jet2 (3 cm too tall), Lufthansa (3 cm too tall), KLM (3 cm too tall), Air France (2.5 cm too wide), Vueling (3 cm too tall), Aer Lingus (3 cm too tall), Iberia (3 cm too tall), Virgin Atlantic (3 cm too tall), AirAsia (5 cm too deep), Malaysia Airlines (8 cm too wide), Singapore Airlines (11 cm over the total), Scoot (5 cm too deep) and WestJet (2 cm too tall). Delta, Southwest, Alaska, Hawaiian, Batik Air, Cathay Pacific, Jetstar and Rex give no size: it just has to fit under the seat in front of you.

Can a 43 × 33 × 15 cm bag go in the overhead bin?

It fits the carry-on limit on every airline here: American, Delta, United, Southwest, JetBlue, Alaska, Frontier, Allegiant, Hawaiian, Sun Country, Breeze, Avelo, Ryanair, easyJet, British Airways, Wizz Air, Jet2, Lufthansa, KLM, Air France, Vueling, Aer Lingus, Iberia, Virgin Atlantic, AirAsia, Malaysia Airlines, Batik Air, Singapore Airlines, Scoot, Cathay Pacific, Air Canada, WestJet, Porter, Flair, Jetstar, Qantas, Virgin Australia and Rex.

Is a 43 × 33 × 15 cm bag free to take on board?

Free in every fare on American, Delta, Southwest, JetBlue, Alaska, Frontier, Allegiant, Hawaiian, Sun Country, Breeze, Avelo, easyJet, British Airways, Jet2, Iberia, Virgin Atlantic, AirAsia, Malaysia Airlines, Batik Air, Singapore Airlines, Scoot, Cathay Pacific, Air Canada, Porter, Flair, Jetstar, Qantas, Virgin Australia and Rex. Free except in the cheapest fare on United (Basic Economy), Lufthansa (Economy Basic), KLM (Basic), Air France (Economy Basic), Aer Lingus (Saver) and WestJet (UltraBasic). On Ryanair, Wizz Air and Vueling it’s a paid cabin bag: only a smaller under-seat bag is free.

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.