Cheap flights from Denver to Seoul
The cheapest round trip from Denver to Seoul that travelers found recently is $1,381 with a carry-on: a $1,381 fare on Southwest, which usually includes a carry-on. It leaves Wed, Apr 28 and comes back Sun, May 9.
Live prices for Wed, Apr 28 to Sun, May 9
Cheapest trips travelers found recently
| Leave | Return | Airline | Airports | Stops | Fare | Carry-on (est.) | Total | Live prices |
|---|---|---|---|---|---|---|---|---|
| Wed, Apr 28 | Sun, May 9 | Southwest | DEN → ICN | 1 stop | $1,381 | Included | $1,381 | Live price |
| Thu, Dec 24 | Sun, Jan 3 | Frontier | DEN → ICN | 2 stops | $1,808 | +$110 | $1,918 | Live price |
Round-trip prices per person, from real fares travelers found in the last few days. Carry-on fees are our estimate for each airline, both ways. Prices change fast: check the live price before you book.
Cheapest month to fly
| Month | Cheapest trip | From | Live prices |
|---|---|---|---|
| December 2026 | Thu, Dec 24 to Sun, Jan 3, 10 nights | $1,918 | Live price |
| April 2027 | Wed, Apr 28 to Sun, May 9, 11 nights | $1,381 | Live price |
Bag fees on this route
What the airlines flying Denver to Seoul usually charge for one bag each way. Budget airlines often sell the cheapest fares and charge the most for bags, so compare the total, not the fare.
| Airline | Carry-on, each way | Checked bag, each way |
|---|---|---|
| Frontier | $55 | $50 |
| Southwest | Included | $35 |
Our estimates: fees depend on the fare type and when you pay. Check the airline's own price when you book.
How these prices work
These are real round-trip fares that travelers found on Aviasales recently, not a live search, so they can change or sell out. Dipt adds an estimate of each airline's carry-on fee, so a cheap fare with expensive bags doesn't look cheaper than it is. "Live price" opens Dipt's live flight search for those dates, where you book with the airline or travel site you pick. Dipt may earn a commission when you book, at no extra cost to you (how Dipt makes money).
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