If you buy one thing at a Korean convenience store before you fly home, buy a bag of 어포튀김 (eopo-twigim) — fried fish crisps. A 40g bag of the Jinro version at GS25 was ₩4,900 when I bought it in June 2026, and the front of the bag prints the one number that decides whether it is any good: the fish content, as a percentage. Everything else on this page is a distant second, and one of them I would leave on the shelf.
What should I buy at a Korean convenience store?
This is the short list, in the order I would put them in the basket. Prices are what I paid on Yeongjong between June and August 2026.
| What | Chain | Size | Price seen | Verdict |
|---|---|---|---|---|
| 진로 어포튀김 오리지널 — Jinro fish crisps, original | GS25 | 40g | ₩4,900 | Buy this one |
| 한입만 어포튀각 — Hanipman fish crisps | CU | 50g | 1+1 when I bought it, July 2026 | The backup when Jinro isn’t on promotion |
| 포카칩 스윗치즈맛 — Pocachip Sweet Cheese | Convenience stores | — | — | Worth a bag if you like sweet-and-salty |
| 아임비타 비타민 젤리 — I’m Vita vitamin jelly | Convenience stores | 50g pouch | — | The one that isn’t junk food |
| 초코송이 파르페 — Choco Songi parfait | GS25 | Ice cream cup | Low ₩2,000s | Eat it there. It will not survive the flight |
| 예감 초코범벅 — Yegam Choco Beombeok | GS25 | 55g | — | Skip |
What is eopo-twigim, and why is it the one to buy?
어포튀김 is thin sheets of pressed fish, fried until they puff and shatter. It is sold in the beer-snack aisle, not the crisp aisle, and it is the thing Koreans reach for with a cold can rather than a bag of chips. Nothing on a Western snack shelf is quite like it — the closest reference point is a prawn cracker, except it actually tastes of fish, in a savoury, dried-seafood way rather than a fishy one.
The reason I put it at the top of the list for someone flying out is that it travels well. It is dry, sealed, and flat enough to slide down the side of a suitcase. It is also the snack a Korean would actually hand you with a beer, which a box of duty-free chocolate is not.
One warning: it is salty. Two bags in an evening and you will be reaching for water. The bag also tells you to reseal it and refrigerate it once opened, which is worth doing if you get it home and want it to stay crisp.
How do I tell a good fish crisp from a bad one?
Look for 어육 함량 — fish content — on the front of the bag, printed as a percentage inside a small seal. You do not need to read Korean to use this. Find the circle with a number and a % sign in it. In my experience anything above 90% is hard to get wrong, and the difference between a 94% bag and a cheaper one is immediately obvious in the first mouthful: the high-content bags taste of fish, the low ones taste of frying oil.
The Jinro bags print 94%. The CU alternative prints 90.5%. That single number is the whole buying decision, and it is the piece of information nobody tells you.
Which Jinro flavour should I get?
There are three, the bags are colour-coded by the blue toad mascot on the front, and I bought all three at once in August 2026 to line them up. The fish content is identical across the range, so this is purely about the seasoning.
| Flavour | Bag colour | Per bag | Sodium | My verdict |
|---|---|---|---|---|
| 오리지널 — Original | Blue-grey | 190 kcal | 330 mg | First place. Salty, clean, the fish comes through |
| 허니버터 — Honey butter | Yellow | 198 kcal | 400 mg | Second. 3% honey butter seasoning, and it is not subtle |
| 불닭로제 — Buldak rosé | Pink | 197 kcal | 370 mg | Third. I left this one unfinished |
The buldak rosé is the one I would actively steer you away from. The spicy seasoning is only 1.5%, so it is neither properly hot nor properly mild, and it buries the fish flavour you paid 94% for. If you want the spicy-Korean-snack experience, buy something that commits to it. Honey butter is a real choice rather than a compromise — it is sweet-and-salty, and if that is your thing you may prefer it to the original. Just know it is much sweeter than the name suggests.
What if the GS25 bags aren’t on promotion?
₩4,900 for 40g is a lot for a snack, and I only stock up when there is a promotion. GS25 ran 1+1 on the original in June 2026 — two bags for ₩4,900, so ₩2,450 each — and 2+1 across the three flavours in August 2026. Promotions rotate, so do not plan around a specific one; look at the shelf tag when you are standing there.
When Jinro is at full price, the CU alternative is 바다원 한입만 어포튀각 — 50g, 240 kcal, 90.5% fish. It was 1+1 at CU in July 2026. The pieces are darker in colour and the seasoning leans sweeter, and honestly the Jinro tastes better. But it is a bigger bag for less money and it clears the 90% bar, so as a substitute it does the job.
Bigger bags exist — Costco sells a 400g 갓튀김어포 and E-Mart Traders sells its own 400g version at ₩12,980, or ₩10,980 with a Shinsegae points discount. The two taste close enough that I would just buy whichever store is nearer. Both are warehouse stores rather than convenience stores, though, so they are not somewhere you drop into on the way to a flight, and a 400g bag goes soft if you cannot finish it quickly.
Is Pocachip Sweet Cheese worth a bag?
Pocachip is Orion’s fresh-potato chip, made from Korean potatoes rather than reconstituted flakes, and the bag claims it was the best-selling fresh-potato chip at GS25 and 7-Eleven every year from 2018 to 2024. The Sweet Cheese version adds a honey-and-cheese seasoning to the usual salt.
The order it hits in is salt first, then the sweetness underneath — which is the right way round, and it stops it becoming cloying. Per 30g there is 150mg of sodium and 11g of fat, and despite how sweet it tastes there is under 1g of sugar, because the sweetness comes from the seasoning and an aspartame sweetener rather than sugar. It contains wheat, milk and soy, which matters if you are buying for someone else. If you came for the plain salted Pocachip, this is not it and you may be annoyed; if sweet-and-salty is a flavour you actively seek out, it is a good bag.
What should I skip?
예감 초코범벅 감자칩 — chocolate-coated potato chips, sold at GS25 in a 55g bar. I bought two because the packaging made me think of the Japanese chocolate-covered potato chips people bring back from Hokkaido. I put it down after one bite.
The bag says roughly 57% chocolate, but the ingredient list is built on hardened palm kernel oil rather than cocoa butter, and you can feel the difference: instead of melting, the coating slides around the chip. It also softens from the warmth of your hand, so in summer it wants to come straight out of a fridge. The numbers are steep for what you get — 307 kcal in 55g, with 16g of saturated fat, over half a day’s reference intake, and 17g of sugar. That is a chocolate bar wearing a crisp costume, and not a good chocolate bar.
What should I eat there rather than pack?
초코송이 is a Korean childhood snack — little biscuit sticks with a chocolate cap, shaped like mushrooms. Someone turned it into an ice cream parfait, and the freezer cabinet at GS25 had one, so I bought it. The cup was in the low ₩2,000s and the biscuit box next to it was a little over ₩1,000, which comes to just under ₩4,000 for both.
Buy both, and this is the whole trick: the mushrooms frozen inside the cup have lost their snap — the biscuit has gone slightly damp and the chocolate has set hard and cold. Tip a handful from the box on top instead and you get the contrast the thing was supposed to have, cold cream against a biscuit that still cracks. The ice cream itself is properly chocolatey and soft enough to spoon straight from the freezer. Take one of the little pink spoons from the counter on your way out.
Obviously none of this goes in a suitcase. It is on this list because it is the thing to buy when you have twenty minutes and nowhere to be, not the thing to buy on the way to a gate.
Is there anything here that isn’t junk food?
아임비타 비타민 젤리 — I’m Vita vitamin jelly — is a 50g resealable pouch of soft peach-and-apple gummies, 165 kcal, sold in convenience stores. Per pouch it carries 200mg of vitamin C, 300µg of biotin, and vitamin B1, B2, B6 and pantothenic acid at around 100% of the daily reference value each. It does not taste medicinal, which is the entire reason I finish them and not the vitamins in a bottle.
The pouch is the useful part for travel: it zips shut, so a half-eaten bag does not turn into a sticky mess in hand luggage, and it fits in a jacket pocket.
Where do I buy these before my flight?
At a GS25 or a CU, and the two are not interchangeable — the Jinro fish crisps are a GS25 line and the Hanipman is a CU line, so if you want a specific bag you need a specific chain. Both are everywhere in Korea, including the Yeongjong neighbourhoods around the airport, so the practical answer is to buy them while you are out in a neighbourhood, before you head back.
If you are coming out of the airport on a layover anyway, the trip costs you nothing extra. Work out first whether you have the hours for it — the honest time math on leaving Incheon Airport during a layover is the place to start, and if you are somewhere around the seven-hour mark, what actually fits into a 7-hour layover lays out the timings. The nearest neighbourhood to the terminals is Unseo, two stops away, where I usually go for a Korean soup restaurant two stops from Terminal 1.
Two practical notes for a layover run. If you are dragging a suitcase, leave it behind first — what Incheon Airport luggage storage costs and which type you need covers the options. And check which terminal you fly out of before you plan your return, because Terminal 1 and Terminal 2 change what a layover looks like.
Frequently asked questions
What is the one Korean convenience store snack to buy?
진로 어포튀김 오리지널 — Jinro fried fish crisps, original flavour, from GS25. It was ₩4,900 for a 40g bag in June 2026, it is dry and sealed so it packs flat, and the fish content on the front tells you it is the good version.
How do I read a Korean snack bag if I don’t read Korean?
For fish crisps specifically, find the small circular seal on the front with a percentage in it. That is 어육 함량, the fish content, and above 90% is reliably good. The Jinro bags say 94%.
Do I need cash at a Korean convenience store?
No. Cards work, and for amounts this small nobody blinks. You do not need to find an ATM before you go.
Are GS25 and CU the same?
They are competing chains, and they carry different exclusive lines. The Jinro fish crisps in this article are GS25; the Hanipman fish crisps are CU. Promotions are chain-specific too, so a 1+1 at one is no help at the other.
What does 1+1 mean on the shelf tag?
Buy one, get one free — you take two bags off the shelf and pay for one. 2+1 means take three and pay for two. The promotions change month to month, so check the shelf tag when you are standing there rather than planning around what was running last time.
Prices and promotions in this article are what I saw on Yeongjong between June and August 2026.