This is a long overdue Korea post that I've been wanting to do. I went in March 2015 for around 2 weeks. Long story short, let's go into the details.
We took Scoot airlines for around S$550, worst money I've paid ever. I lost my luggage when I came back to Singapore and they never found it back. The customer service was slow, and I did not get a reply for the longest time ever. They kept pushing the blame to Singapore Changi Airport and its luggage handling department. Moral of the story is to fly with only full-fledged airlines next time.
We stayed a combination of different Airbnbs in Seoul and Jeju, some were great, some were mediocre, and some were horrible. I'll explain why in the subsequent posts but a tip for booking accommodation on Airbnb is to book one with many good reviews, and make sure to take the time to read all of them to have an expectation of what you are going to stay in.
The actual trip: