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Find cheap Delta flights to Seoul

CMH — SEL
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find Delta flight deals to Seoul

Cheapest Delta flights from USA to Seoul
Explore the most affordable Delta flight options available from USA to Seoul. Find the lowest fares with prices last updated on July 27, 2026.

This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:10 pm
SFO
-
ICN
Nonstop12h 10m
Delta
Thu 9/34:00 pm
ICN
-
SFO
Nonstop10h 40m
Delta
Deal found 7/26$922
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:13 am
SFO
-
ICN
1 stop18h 37m
Delta
Thu 9/34:00 pm
ICN
-
SFO
Nonstop10h 40m
Delta
Deal found 7/27$926
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:50 am
SFO
-
ICN
1 stop17h 30m
Delta
Fri 8/287:00 pm
ICN
-
SFO
2 stops18h 19m
Delta
Deal found 7/23$927

Flights to Seoul with Delta at a glance

Find detailed information about Delta flights from USA to Seoul. Explore the options provided by Delta to plan your journey from USA to Seoul. Data last updated July 27, 2026.

Popular in

December

Cheapest in

January

Average price

$1,316

Round-trip from

$922

One-way from

$473

Good round-trip deal

$985 or less

Good one-way deal

$838 or less
Highest demand for flights to Seoul with Delta; 4% potential price increase.
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Best time to find cheap flights to Seoul with Delta; 3% potential price drop.
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Average price for flights to Seoul with Delta (round-trip).
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Delta
  • Delta
  • 9/4-9/13
  • Nonstop
  • 23h 10m total
  • USA to Seoul
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Delta
  • Delta
  • 8/14
  • 2 total stops
  • 17h 37m total
  • USA to Seoul
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Price to beat on a round-trip flight from the United States to Seoul with Delta.
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Price to beat on a one-way flight from the United States to Seoul with Delta.
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Cheapflights Insights

Find cheap Delta flights to Seoul

How long is the flight to Seoul with Delta?

On average, Delta flights from the United States to Seoul take 13 hours 31 minutes. Flights to Seoul from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

Delta weekly flight availability to Seoul

The most flights to Seoul operated by Delta are scheduled on a Friday (26 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (24 on average).

When is the best time to book a flight to Seoul with Delta?

The best time to book a flight to Seoul with Delta is 75 days before departure. On average, fares are higher if you book 15 days before departure.

FAQs about flights to Seoul with Delta

  • Which airport do Delta flights arrive at when travelling to Seoul?

    Delta flights on this route tend to land at Incheon Intl Airport.

  • Is Delta the cheapest airline for a flight to Seoul?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Seoul tends to be with Frontier.

  • Are there alternative airlines other than Delta that fly to Seoul?

    AIR PREMIA, Asiana Airlines and Korean Air all fly to Seoul and offer an alternative to Delta.

  • How much is a flight to Seoul with Delta?

    The average price for a return flight with Delta is $1,489; with a one-way flight around $903.

See more FAQs

Reviews of Delta

See what Cheapflights users have to say about their Delta experience.
Delta
7.8
Good
8,485 reviews
Overview

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Popular Delta flights

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Airports serving Seoul

Book a flight to or from one of these Seoul airports.
Flights to Gimpo Intl
Flights to Incheon Intl
Flights from Gimpo Intl
Flights from Incheon Intl