Tipping for excursion guides

[donutday]

There is a guideline for standard tips for onboard personnel, but how do I know what is expected for excursion guides? We will be doing flightseeing in Alaska. These are very expensive excursions, so a standard tip of 20% (as I would give in a restaurant) seems a bit high to me, but I assume the pilots expect (and deserve) some gratuity. I don't want to stiff the pilots/guides but don't want to overtip either, as our budget is already stretched just to do these. Advice, please!

 

[Mrs Green]

I am curious about this too.

 

[DISNEY FANTASY]

Private Guides, personal service IE your family and say pilots etc then up to 10% of cost.

DCL tours with other cruisers $5 pp unless you get a very personal service and $ 1/2 for a driver.

We did six private tours in Alaska including flights on planes and helicopters and coach yours the tips ranged from $20 to $50 and maybe for the family $$100.