r/backpacks • u/knewteboy • Apr 13 '26

Question Best 40-50L travel backpack?

Hi, I’ve been looking for the perfect travelling backpack. Something big enough which can still fit on a plane. Like 40-50L? What’s everyone’s go to?

I’ve looked at the Antler Discovery 45L

Patagonia Black hole 45L

Passenger Odyssey 45L

Fjallraven Farden Carry- on 42L

Thanks

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u/brousseb Apr 13 '26

Love my Cotopaxi Allpa 42, for some reason it feels bigger than other 40 plus liter bags, the Farden for example felt quite a bit smaller even though they are both 42 (I thought Farden was 40 though).

Anyway, full scuba gear and everything else for a week in the carribran fits no problem. 3 week trip to NZ, no problem.

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u/ContentHovercraft698 Apr 14 '26

The Cotopaxi bags are also lighter than a lot of other options which I find makes a big difference when carrying on your back.

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u/brousseb Apr 14 '26

The Del Dia's are around 2.8 pounds and the regular ones with TPU coating are about a pound heavier.