Question : Should you take that vacation to Seoul in the next 30 days?
Answer : Since low prices are preferred, look at Feb 27th. As of Feb 20th, it's showing the cheapest ticket sales at $901. That is 68% below the average price for this route, so you can spend that extra money on an adventure rather than the flight.
Question : Is the price you found a good deal?
Answer : Ranging anywhere from $901 to $4,459, prices for PVD to ICN do fluctuate much more than most routes from the United States. However, the sooner you book, the better price you tend to get.
Question : What is the cheapest round-trip ticket you can get to Seoul?
Answer : Delta Air Lines is your best bet for finding that coveted low fare. They're offering fares as low as $901, while prices for other flights are as high as $4,459.
Question : How long do most people visit Seoul?
Answer : Of course you're not most people, but if you were, you'd stay roughly 10 days.
Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : In March, the cheapest day to fly is Friday. Flexibility is paramount when booking travel plans in order to keep travel costs down.