Does the Peak Design Travel Backpack 45L fit as a carry-on?
By its listed size it fits 9 of 38 airlines that publish a carry-on limit and is too big for 29.
Size and specs
| Listed size | 22 × 13 × 9.5 in (56 × 33 × 24 cm) |
|---|---|
| Expanded | 22 × 13 × 11.4 in (56 × 33 × 29 cm) |
| Volume | 35 L |
| Empty weight | 4.5 lb (2.0 kg) |
| Laptop sleeve | up to 16 in |
| Wheels | none |
| List price | $299.95 (seen 2026-10-19) |
Against the usual US limit
Dashed and yellow: American Airlines' carry-on limit, 22 × 14 × 9 in. Coloured: this bag's listed size.
Every airline
| Airline | carry-on limit | This bag |
|---|---|---|
| United States | ||
| Alaska Airlines | 22 × 14 × 9 in (56 × 36 × 23 cm) | Too big 0.5 in over, too deep |
| Allegiant Air | 10 × 16 × 22 in (25 × 41 × 56 cm) | Fits right at the limit |
| American Airlines | 22 × 14 × 9 in (56 × 36 × 23 cm) | Too big 0.5 in over, too deep |
| Avelo Airlines | 22 × 14 × 9 in (56 × 36 × 23 cm) | Too big 0.5 in over, too deep |
| Breeze Airways | 22 × 14 × 9 in (56 × 36 × 23 cm) | Too big 0.5 in over, too deep |
| Delta Air Lines | 22 × 14 × 9 in (56 × 36 × 23 cm) | Too big 0.5 in over, too deep |
| Frontier Airlines | 24 × 16 × 10 in (61 × 41 × 25 cm) | Fits 0.5 in to spare |
| Hawaiian Airlines | 22 × 14 × 9 in (56 × 36 × 23 cm) | Too big 0.5 in over, too deep |
| JetBlue | 22 × 14 × 9 in (56 × 36 × 23 cm) | Too big 0.5 in over, too deep |
| Southwest Airlines | 24 × 16 × 10 in (61 × 41 × 25 cm) | Fits 0.5 in to spare |
| Sun Country Airlines | 24 × 16 × 11 in (61 × 41 × 28 cm) | Fits 1.5 in to spare |
| United Airlines | 9 × 14 × 22 in (23 × 36 × 56 cm) | Too big 0.5 in over, too deep |
| Canada & Mexico | ||
| Aeromexico | 55 × 40 × 25 cm (21.7 × 15.7 × 9.8 in) | Too big 0.3 in over, too tall |
| Air Canada | 9 × 15.5 × 21.5 in (23 × 39 × 55 cm) | Too big 0.5 in over, too tall |
| Porter Airlines | 21.5 × 15.5 × 9 in (55 × 39 × 23 cm) | Too big 0.5 in over, too tall |
| Viva Aerobus | 22 × 16 × 10 in (56 × 41 × 25 cm) | Fits right at the limit |
| Volaris | 55 × 40 × 25 cm (21.7 × 15.7 × 9.8 in) | Too big 0.3 in over, too tall |
| WestJet | 22 × 14 × 9 in (56 × 36 × 23 cm) | Too big 0.5 in over, too deep |
| Latin America | ||
| Avianca | 55 × 35 × 25 cm (21.7 × 13.8 × 9.8 in) | Too big 0.3 in over, too tall |
| Copa Airlines | 56 × 36 × 26 cm (22 × 14.2 × 10.2 in) | Fits right at the limit |
| LATAM Airlines | 55 × 35 × 25 cm (21.7 × 13.8 × 9.8 in) | Too big 0.3 in over, too tall |
| Europe | ||
| Aer Lingus | 55 × 40 × 24 cm (21.7 × 15.7 × 9.4 in) | Too big 0.3 in over, too tall |
| Air France | 55 × 35 × 25 cm (21.7 × 13.8 × 9.8 in) | Too big 0.3 in over, too tall |
| British Airways | 56 × 45 × 25 cm (22 × 17.7 × 9.8 in) | Fits right at the limit |
| easyJet | 56 × 45 × 25 cm (22 × 17.7 × 9.8 in) | Fits right at the limit |
| Iberia | 56 × 40 × 25 cm (22 × 15.7 × 9.8 in) | Fits right at the limit |
| Icelandair | 55 × 40 × 20 cm (21.7 × 15.7 × 7.9 in) | Too big 1.6 in over, too deep |
| KLM | 55 × 35 × 25 cm (21.7 × 13.8 × 9.8 in) | Too big 0.3 in over, too tall |
| Lufthansa | 55 × 40 × 23 cm (21.7 × 15.7 × 9.1 in) | Too big 0.4 in over, too deep |
| Ryanair | 55 × 40 × 20 cm (21.7 × 15.7 × 7.9 in) | Too big 1.6 in over, too deep |
| Turkish Airlines | 23 × 40 × 55 cm (9.1 × 15.7 × 21.7 in) | Too big 0.4 in over, too deep |
| Virgin Atlantic | 23 × 36 × 56 cm (9.1 × 14.2 × 22 in) | Too big 0.4 in over, too deep |
| Vueling | 55 × 40 × 20 cm (21.7 × 15.7 × 7.9 in) | Too big 1.6 in over, too deep |
| Wizz Air | 55 × 40 × 23 cm (21.7 × 15.7 × 9.1 in) | Too big 0.4 in over, too deep |
| Middle East & Asia-Pacific | ||
| Emirates | 55 × 38 × 22 cm (21.7 × 15 × 8.7 in) | Too big 0.8 in over, too deep |
| Japan Airlines | 55 × 40 × 25 cm (21.7 × 15.7 × 9.8 in) | Too big 0.3 in over, too tall |
| Qantas | 56 × 36 × 23 cm (22 × 14.2 × 9.1 in) | Too big 0.4 in over, too deep |
| Qatar Airways | 50 × 37 × 25 cm (19.7 × 14.6 × 9.8 in) | Too big 2.3 in over, too tall |
"Borderline" means over by no more than the rounding in published sizes (0.5 cm, about 0.2 in). It may pass at the gate, but we don't promise it.
Where these numbers come from
- peakdesign.combrand page
- amazon.comretailer listing
Notes from our data check
Backpack, so no wheels. The source does not say whether straps or grab handles are inside the stated size. "External Dimensions: Standard: 56cm x 33cm x 24cm (22" x 13" x 9.5") / Compressed: same (compression only at the top) / Expanded: 56cm x 33cm x 29cm (22" x 13" x 11")". Capacity: standard (max carry-on) 35 L, compressed 30 L, expanded 45 L (volumeL = standard). 2.05 kg (4.5 lb). Laptop sleeve fits up to 16". Price $299.95 for the 45L variants in the page data. 56 cm height is over 55 cm and 9.5 in depth is over 9 in, even in standard mode. Amazon shows the same specs, $299.95.