Are Incheon to San Francisco flights cheap right now?

As of Oct 25, 16:00, no departure day is 20% or more below average. The lowest fare of each day and the average are collected again every day.

What is the average fare from Incheon to San Francisco, round trip, 7 nights?

The average fare from Incheon to San Francisco, round trip, 7 nights, is ₩1,250,240 (as of Oct 25, 16:00): the mean of the lowest fare on 178 departure days.

What is the cheapest date from Incheon to San Francisco, round trip, 7 nights?

The cheapest departure in the next 60 days is Nov 8 (Sun) - Nov 15 (Sun) at ₩1,064,848, below the ₩1,250,240 average (checked Oct 25, 11:12).

Every flight from Incheon

Incheon to San Francisco flights: average fare and cheapest dates

United States · ICN↔SFO. The lowest fare of each departure day, collected daily and set against the average for each trip length. A day at least 20% below average is a drop.

Averages as of Oct 25, 16:00

Average fare

The mean of the lowest fare collected for each departure day, per trip length.

Trip	Average	Lowest ahead	Departure days	Computed
round trip, 7 nights	₩1,250,240	₩1,064,848	178 days	Oct 25, 16:00

Cheapest departure days

The 5 cheapest days departing in the next 60 days.

round trip, 7 nights

Nov 8 (Sun) - Nov 15 (Sun)₩1,064,848Below averageChecked Oct 25, 11:12
Nov 9 (Mon) - Nov 16 (Mon)₩1,064,848Below averageChecked Oct 25, 11:12
Nov 7 (Sat) - Nov 14 (Sat)₩1,070,804Below averageChecked Oct 25, 11:12
Nov 10 (Tue) - Nov 17 (Tue)₩1,070,804Below averageChecked Oct 25, 11:12
Nov 2 (Mon) - Nov 9 (Mon)₩1,090,400Below averageChecked Oct 25, 11:12

Lowest fare by month

The cheapest collected departure day of each month.

Month	round trip, 7 nights
Oct 2026	₩1,136,100Oct 30 (Fri) - Nov 6 (Fri)
Nov 2026	₩1,064,848Nov 8 (Sun) - Nov 15 (Sun)
Dec 2026	₩1,090,400Dec 24 (Thu) - Dec 31 (Thu)
Jan 2027	₩1,064,848Jan 18 (Mon) - Jan 25 (Mon)
Feb 2027	₩1,064,848Feb 2 (Tue) - Feb 9 (Tue)
Mar 2027	₩1,069,048Mar 1 (Mon) - Mar 8 (Mon)
Apr 2027	₩1,095,000Apr 21 (Wed) - Apr 28 (Wed)

Checked Oct 25, 11:12 to Oct 25, 11:12

round trip, 7 nights, by date

Low: ₩1,064,848
Average: ₩1,250,240
High: ₩2,537,100

Drops on this route

No day is far below average right now.

Questions

Are Incheon to San Francisco flights cheap right now?: As of Oct 25, 16:00, no departure day is 20% or more below average. The lowest fare of each day and the average are collected again every day.
What is the average fare from Incheon to San Francisco, round trip, 7 nights?: The average fare from Incheon to San Francisco, round trip, 7 nights, is ₩1,250,240 (as of Oct 25, 16:00): the mean of the lowest fare on 178 departure days.
What is the cheapest date from Incheon to San Francisco, round trip, 7 nights?: The cheapest departure in the next 60 days is Nov 8 (Sun) - Nov 15 (Sun) at ₩1,064,848, below the ₩1,250,240 average (checked Oct 25, 11:12).