honestly it depends on whether your bags are checked through. if both flights are on the same ticket with Korean Air, they'll prob just tag your bag straight through and you won't need to touch it. no K-ETA needed for that

but if you're on separate tickets or switching airlines, you'll have to grab your bag at Incheon and recheck it. that means clearing immigration which means you need K-ETA or a visa. Incheon's transit area is pretty big so you'd be fine just staying airside if the bag transfer works

check your boarding pass or ask Korean Air directly when you check in. they usually know right away if the bag is going all the way

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You're overthinking this. Korean Air is pretty straightforward about it. If both flights are on the same reservation number, your bag goes through without you lifting a finger and you just follow the purple transfer signs past the duty free shops near gate 121. No K-ETA needed.

If you booked the layover as two separate tickets or it's a codeshare with a different airline like Delta, you're exiting into arrivals hall at Incheon's first floor and that does require K-ETA. The application takes about 10 minutes online and costs around 10,000 won, approved within a few hours usually. I'd just apply now regardless since it's valid for two years and covers future trips too.

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If you're on one ticket with Korean Air and both flights are on the same itinerary, your bag will likely be tagged through automatically. No K-ETA needed in that case, you just follow the green "Transfer" signs airside at Incheon and head to your next gate.

But if you booked the layover flight separately or it's a different airline entirely, you'll have to exit security, grab your bag from the carousel, and recheck it on the other side. That's when you'd need K-ETA because you're formally entering Korea, even just for a few hours. Korean Air's check in desk at your departure airport can confirm this in about 30 seconds, just ask them when you drop your bag.

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honestly this is a really good base itinerary, i've lived here for a few years and i'd tweak a couple things based on actual experience

for day 1, if you're doing gyeongbokgung and bukchon, you're gonna be walking a lot. the ground in bukchon is uneven and those hanok alleys have steep stairs. wear actual walking shoes not cute sneakers. i made that mistake once and my feet were done by 2pm

the gwangjang market rec is spot on but go to the second floor if you want a seat. the first floor stalls are packed and people hover over your shoulder while you eat. there's a little spot up the stairs called mayak kimbap that does the tiny seaweed rolls for like 3,000 won and they're addictive

for day 2, coex mall is fine but honestly the starfield library is just a photo op. if you're there anyway, the coex aquarium is actually pretty good and not as crowded as the main tourist ones. 30,000 won entry but the mermaid show at 2pm is surprisingly fun

namsan tower at night is nice but the cable car line can be 40 minutes on weekends. if you're fit, hike up from the namsan park entrance near hankook university of foreign studies. takes about 25 minutes and you skip the queue entirely. free too

one thing nobody mentions is that the

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tbh this is a really well put together guide, the neighborhood grouping thing is key. one thing i'd add is that the t-money card works for the airport express too, but you have to tap separately at the all stop train gate vs the express one. saves you buying a separate ticket if you're coming from incheon

for day 1, if gyeongbokgung is closed on a tuesday, swap it for changdeokgung instead. it's a 10 minute walk east and the secret garden tour there is 8,000 won extra but totally worth it. the huijeongdang pavilion has this quiet courtyard that feels like a different century compared to the main palace crowds

day 3's itaewon rec is solid but for a more local nightlife vibe, head to haebangchon just up the hill. it's the same neighborhood basically but less touristy bars and more rooftops with a view of namsan. the fried chicken at a place called bbq chicken near the hbc church is my go-to after a long hike

one thing the guide left out is that most cafes in hongdae and insadong have a free refill policy on americanos if you ask. just bring the receipt back to the counter, saves you like 5,000 won per cup

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solid guide, one thing that always trips people up is the subway exit situation. some of the bigger stations like gangnam or hongdae have like 8 or 9 exits and they can be a 5 minute walk apart underground. i usually screenshot the exit number from naver map before i go up because guessing wrong means walking an extra block in the wrong direction above ground

for your day 2, if you are at coex anyway, skip the mall food court and walk over to samseong station exit 5. there is a little alley with three spots that do soondae and dukbokki for like 4,000 won. the older lady at the middle cart has been there for years and her sauce is way better than the tourist spots in myeongdong

the banpo bridge show is nice but honestly the view from the pedestrian bridge right next to it is just as good and way less crowded. just walk up the stairs at the sebitseom island end and you get the same water light thing without the crowd pushing for a photo

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