Which airlines allow a 45 × 33 × 20 cm under-seat bag?
45 × 33 × 20 cm (17.7 × 13 × 7.9 in) is the under-seat bag limit on Virgin Australia. It fits the under-seat limit on 6 of the 21 airlines that publish one, but not on the other 15. It fits every carry-on limit too.
Checked against the airlines’ websites on
- 24 × 16 × 11 inSun CountryFits
- 56 × 45 × 25 cmeasyJet, British Airways and Jet2Fits
- 24 × 16 × 10 inSouthwest and FrontierFits
- 22 × 16 × 10 inAllegiantFits
- 55 × 40 × 23 cmWizz Air and Air CanadaFits
- 54 × 38 × 23 cmScootFits
- 22 × 14 × 9 inAmerican, Delta, United, JetBlue, Alaska, Hawaiian, Breeze and AveloFits
- 56 × 36 × 23 cmAirAsia, Malaysia Airlines, Batik Air, Cathay Pacific, WestJet, Jetstar, Qantas and Virgin AustraliaFits
- 55 × 40 × 20 cmRyanairFits
United States
- American AirlinesCarry-on: FitsFree under-seat bag: Fits
- Delta Air LinesCarry-on: FitsFree under-seat bag: No size published
- United AirlinesCarry-on: FitsFree under-seat bag: 7.6 cm too wide
- Southwest AirlinesCarry-on: FitsFree under-seat bag: No size published
- JetBlueCarry-on: FitsFree under-seat bag: 1.8 cm too tall
- Alaska AirlinesCarry-on: FitsFree under-seat bag: No size published
- Frontier AirlinesPaid cabin bag: FitsFree under-seat bag: Fits
- Allegiant AirPaid cabin bag: FitsFree under-seat bag: Fits
- Hawaiian AirlinesCarry-on: FitsFree under-seat bag: No size published
- Sun Country AirlinesPaid cabin bag: FitsFree under-seat bag: 1.8 cm too tall
- Breeze AirwaysPaid cabin bag: FitsFree under-seat bag: 1.8 cm too tall
- Avelo AirlinesPaid cabin bag: FitsFree under-seat bag: 1.8 cm too tall
Canada
- Air CanadaCarry-on: FitsFree under-seat bag: 4 cm too deep
- WestJetCarry-on: FitsFree under-seat bag: 4.8 cm too deep
UK and Europe
- RyanairPaid cabin bag: FitsFree under-seat bag: 5 cm too tall
- easyJetPaid cabin bag: FitsFree under-seat bag: Fits
- British AirwaysCarry-on: FitsFree under-seat bag: 4.8 cm too deep
- Wizz AirPaid cabin bag: FitsFree under-seat bag: 5 cm too tall
- Jet2Carry-on: FitsFree under-seat bag: 5 cm too tall
Asia
- AirAsiaCarry-on: FitsFree under-seat bag: 10 cm too deep
- Malaysia AirlinesCarry-on: FitsFree under-seat bag: 12 cm over the total
- Batik Air MalaysiaCarry-on: FitsFree under-seat bag: No size published
- Singapore AirlinesCarry-on: FitsFree under-seat bag: 18 cm over the total
- ScootCarry-on: FitsFree under-seat bag: 10 cm too deep
- Cathay PacificCarry-on: FitsFree under-seat bag: No size published
Australia
- Jetstar AirwaysCarry-on: FitsFree under-seat bag: No size published
- QantasCarry-on: FitsFree under-seat bag: Fits
- Virgin AustraliaCarry-on: FitsFree under-seat bag: Fits
Almost every airline counts wheels and handles: measure your bag the way the sizer does.
Airlines whose limit is 45 × 33 × 20 cm
- Virgin Australia: Personal item: included in every fare, up to 8 kg (18 lb).
Questions
Can a 45 × 33 × 20 cm bag go under the seat?
It fits the under-seat limit on 6 of the 21 airlines that publish one: American, Frontier, Allegiant, easyJet, Qantas and Virgin Australia. It’s too big for United (7.6 cm too wide), JetBlue (1.8 cm too tall), Sun Country (1.8 cm too tall), Breeze (1.8 cm too tall), Avelo (1.8 cm too tall), Ryanair (5 cm too tall), British Airways (4.8 cm too deep), Wizz Air (5 cm too tall), Jet2 (5 cm too tall), AirAsia (10 cm too deep), Malaysia Airlines (12 cm over the total), Singapore Airlines (18 cm over the total), Scoot (10 cm too deep), Air Canada (4 cm too deep) and WestJet (4.8 cm too deep). Delta, Southwest, Alaska, Hawaiian, Batik Air, Cathay Pacific and Jetstar give no size: it just has to fit under the seat in front of you.
Can a 45 × 33 × 20 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, AirAsia, Malaysia Airlines, Batik Air, Singapore Airlines, Scoot, Cathay Pacific, Air Canada, WestJet, Jetstar, Qantas and Virgin Australia.
Is a 45 × 33 × 20 cm bag free to take on board?
Free in every fare on American, Delta, Southwest, JetBlue, Alaska, Frontier, Allegiant, Hawaiian, easyJet, British Airways, Jet2, AirAsia, Malaysia Airlines, Batik Air, Singapore Airlines, Scoot, Cathay Pacific, Jetstar, Qantas and Virgin Australia. Free except in the cheapest fare on United (Basic Economy), Air Canada (Economy Basic) and WestJet (UltraBasic). On Sun Country, Breeze, Avelo, Ryanair and Wizz Air it’s a paid cabin bag: only a smaller under-seat bag is free.
Other bag sizes
- 18 × 14 × 8 inFits 3 of 21 under-seat limits
- 17 × 13 × 9 inFits 3 of 21 under-seat limits
- 17 × 13 × 8 inFits 10 of 21 under-seat limits
- 17 × 10 × 9 inFits 4 of 21 under-seat limits
- 40 × 30 × 20 cmFits 13 of 21 under-seat limits
- 40 × 30 × 10 cmFits 19 of 21 under-seat limits
- 45 × 36 × 20 cmFits 4 of 21 under-seat limits
- 40 × 30 × 15 cmFits 16 of 21 under-seat limits
- 48 × 34 × 23 cmFits 1 of 21 under-seat limits
- 43 × 33 × 16 cmFits 11 of 21 under-seat limits
- 41 × 33 × 15 cmFits 12 of 21 under-seat limits
- 36 × 25 × 25 cmFits 1 of 21 under-seat limits
Sources
- American Airlines: Carry-on bags and size limits (checked 28 October 2026)
- Delta Air Lines: Carry-On Baggage (checked 28 October 2026)
- United Airlines: Carry-on bags (checked 28 October 2026)
- Southwest Airlines: Carryon and Personal Item Policy (checked 28 October 2026)
- JetBlue: Carry-On Bags (checked 28 October 2026)
- Alaska Airlines: Carry-on luggage size limit (checked 28 October 2026)
- Frontier Airlines: Bag size limits (checked 28 October 2026)
- Allegiant Air: Carry-On and Checked Baggage Policy, Size & Fees (checked 28 October 2026)
- Hawaiian Airlines: Carry-on luggage size limit (checked 28 October 2026)
- Sun Country Airlines: Bags and optional services (checked 28 October 2026)
- Breeze Airways: Bag allowance and dimensions (checked 28 October 2026)
- Avelo Airlines: Carry-on bags (checked 28 October 2026)
- Ryanair: General Terms and Conditions of Carriage, Article 8: Baggage (checked 28 October 2026)
- easyJet: Cabin bags (checked 28 October 2026)
- British Airways: Baggage essentials (checked 28 October 2026)
- Wizz Air: Cabin baggage (checked 28 October 2026)
- Jet2: Baggage (checked 28 October 2026)
- AirAsia: Baggage (checked 28 October 2026)
- Malaysia Airlines: Cabin baggage (checked 28 October 2026)
- Batik Air Malaysia: Baggage allowance (checked 28 October 2026)
- Singapore Airlines: Cabin baggage (checked 28 October 2026)
- Scoot: Baggage allowance, policy and rules (checked 28 October 2026)
- Cathay Pacific: Fare classes (checked 28 October 2026)
- Air Canada: Carry-on baggage (checked 28 October 2026)
- WestJet: Carry-on baggage (checked 28 October 2026)
- Jetstar: Carry-on baggage (checked 28 October 2026)
- Qantas: Carry-on baggage allowances (checked 28 October 2026)
- Virgin Australia: Carry-on baggage (checked 28 October 2026)
Airline rules change. Spotted a figure that no longer matches the airline’s website? Tell us; corrections are logged on the sources page.