Iceland Air Carry on options

Instead of buying another I would try to carry the bag you already have on. it looks pretty small.
Checkin online get a boarding pass and go to the gate instead of going to the checkin counter.

Those dimensions/weight limitations may seem strict, but other airlines are even more restrictive.

I'm OK with paying to check a bag on many flights. Just part of the way things are now.

Thank you. It seems Iceland air adjust those numbers just enough to make it difficult to bring a carry on. JMO.

It's a little on the pricey side, but this Eagle Creek bag fits the dimensions. I own a lot of Eagle Creek stuff and can vouch for the quality....

https://www.ebags.com/product/eagle-creek/gear-warrior-awd-international-carry-on/323349?productid=10471679#productFeatures

Pricey, but at least I can use it. Thank you

As for positive reviews, not from me. If you need food for your flight, don’t buy on the plane, as the quality is low and prices high.

I didn’t notice anyone checking carryon size when I flew last month.

i’m certain at least 1/3 of the bags were oversize.

Here's one data point. We flew Iceland Air last summer. Flying out of Dulles, the agent dropped our carry-ons into the dreaded metal box. We use the RS Rolling Carry-On advertised as 20" x 13 ½" x 9" (without the Zip-Out Expandability feature). They fit into the box OK and we had no issues. The bag dimensions were not checked at Keflavik either direction or in Oslo on the way home. The RS bags go on sale sometimes.

So you are worried about 0.2 inches in depth?

No, that wasn't a major concern, but I rather ask from people who know from experience of this particular airline.
I read enough negative outcomes from comments on videos and articles to know that if some CSR is having a bad day, theoretically they can refuse it. I like to play things safe if I can.

I read enough negative outcomes from comments on videos and articles
to know that if some CSR is having a bad day, theoretically they can
refuse it. I like to play things safe if I can.

Indeed. We made the mistake of getting to the airport early (like they advise you to) to check in to our Iceland Air flight this past March. With nobody behind us waiting to check in, the CSR (who was training a new employee) decided to go all "chapter and verse" on my wife and I regarding our carry-ons, just to show the trainee who was in charge. He literally made us take about 2 lbs out of one bag and put it in the other, then told me that my "personal item" was too big, so we had to check one of our rolling carry-on bags (it was free to check, but that just meant waiting/hoping that it showed up at our final destination... it did).

A few hours later as we were boarding, imagine my surprise seeing the person in front of me schlepping both a typical rolling carry-on PLUS a full-sized guitar case! To add insult to injury, that same CSR was standing at the gate. I smiled and looked right at him, then glanced at the sherpa in front of me, then back to him with a questioning look. It went right over his head.

I flew Icelandair and my bag was about an inch thick. I checked in at a kiosk. No one batted an eye on either of my two flights.

I try to talk to as few people as possible. I either check in online or at a kiosk. Then I don't sit right near the gate agent so the first time they see me is when I am boarding. In the past month I have flown on three airlines with a 20 cm limit. My bag is 23 cm. No gate agent took a second look. They just wanted to get the passengers on board.

We just flew Iceland Air from Portland to London, then back from Glasgow. Of course, all flights go through KEF.

At no point on any of these flights did we see anyone checking the sizes of the carryons. We had very little contact with anyone at any of the airports, especially at the Iceland Air gates. The people at the ticket counters were so busy checking people in that carryons were never even discussed. We saw people carrying on all sizes of bags, just like with any domestic airline.