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San Francisco – Seoul: cheap flights

Prices on this page were found by travellers in recent searches. Choose your dates to see live prices from airlines and travel agencies.Round trips from San Francisco to Seoul currently start at $620. The cheapest month is December, from $620. Direct flights from $620.

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Round trip from

$620

5 Dec – 13 Dec · Air Premia · direct

found today

Also for this trip: eSIM Transfer

Direct flights from

$620

5 Dec – 13 Dec · Air Premia

The route at a glance

The flight from San Francisco to Seoul covers about 9029 km; the shortest flight takes 12 h 40 min, a typical one 13 h.

81% of the cheapest tickets are direct; United Airlines carries 44% of them.

Most cheap flights leave from San Francisco International Airport (18 km from the centre of San Francisco).

Most land at Incheon International Airport (48 km from the centre of Seoul).

A one-way ticket starts at $258, a round trip at $620.

Cheapest price by month

MonthRound trip from
November 2026$770
December 2026$620
January 2027$691
March 2027$699
April 2027$690
June 2027$1,245

Cheapest day to fly

Looking two months ahead, 4 November is the cheapest date to leave, at $353.

Wednesday is the cheapest day of the week to fly.

Cheapest day to fly
MonTueWedThuFriSatSun
4
$353
5
$530
6
$536
7
$536
8
$536
9
$543
10
$518
11
$518
12
$518
13
$518
14
$518
15
$518
16
$518
1 Dec
$483
2
$426
3
$426
4
$426
5
$369
6
$692
7
$692
8
$692
9
$692
10
$692
11
$692
12
$692
13
$692
14
$692
15
$692
16
$692
17
$692
18
$692
19
$692
20
$1,015
21
$711
22
$711
23
$711
24
$711
25
$711
26
$711
27
$407

Cheaper More expensive

  • $353 — Wednesday, Nov. 4, 2026
  • $369 — Saturday, Dec. 5, 2026
  • $407 — Sunday, Dec. 27, 2026
  • $426 — Wednesday, Dec. 2, 2026
  • $426 — Thursday, Dec. 3, 2026
  • $426 — Friday, Dec. 4, 2026
  • $483 — Tuesday, Dec. 1, 2026
  • $494 — Wednesday, Nov. 18, 2026
  • $518 — Tuesday, Nov. 10, 2026
  • $518 — Wednesday, Nov. 11, 2026
  • $518 — Thursday, Nov. 12, 2026
  • $518 — Friday, Nov. 13, 2026
  • $518 — Saturday, Nov. 14, 2026
  • $518 — Sunday, Nov. 15, 2026
  • $518 — Monday, Nov. 16, 2026
  • $518 — Tuesday, Nov. 17, 2026
  • $530 — Thursday, Nov. 5, 2026
  • $536 — Friday, Nov. 6, 2026
  • $536 — Saturday, Nov. 7, 2026
  • $536 — Sunday, Nov. 8, 2026
  • $543 — Monday, Nov. 9, 2026
  • $605 — Thursday, Nov. 19, 2026
  • $692 — Sunday, Dec. 6, 2026
  • $692 — Monday, Dec. 7, 2026
  • $692 — Tuesday, Dec. 8, 2026
  • $692 — Wednesday, Dec. 9, 2026
  • $692 — Thursday, Dec. 10, 2026
  • $692 — Friday, Dec. 11, 2026
  • $692 — Saturday, Dec. 12, 2026
  • $692 — Sunday, Dec. 13, 2026
  • $692 — Monday, Dec. 14, 2026
  • $692 — Tuesday, Dec. 15, 2026
  • $692 — Wednesday, Dec. 16, 2026
  • $692 — Thursday, Dec. 17, 2026
  • $692 — Friday, Dec. 18, 2026
  • $692 — Saturday, Dec. 19, 2026
  • $711 — Monday, Dec. 21, 2026
  • $711 — Tuesday, Dec. 22, 2026
  • $711 — Wednesday, Dec. 23, 2026
  • $711 — Thursday, Dec. 24, 2026
  • $711 — Friday, Dec. 25, 2026
  • $711 — Saturday, Dec. 26, 2026
  • $717 — Friday, Nov. 20, 2026
  • $1,015 — Sunday, Dec. 20, 2026

Price trend, last 30 days

Prices over the past month ranged from $404 to $699, with $616 the usual level.

Today's price is about average.

  • 5 October — $649
  • 10 October — $659
  • 15 October — $648
  • 20 October — $636
  • 25 October — $699
  • 30 October — $404
  • 4 November — $620

Trip length and timing

Travellers who pay least stay roughly 10 nights — 8 nights on the very cheapest ticket — and book about 48 days before departure.

Airlines on this route

Airports used

Trip essentials

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Questions and answers

What is the cheapest price for flights from San Francisco to Seoul?
The cheapest round-trip ticket found recently costs $620.
Which month is the cheapest to fly from San Francisco to Seoul?
December 2026 is currently the cheapest month, with tickets from $620.
Are there direct flights from San Francisco to Seoul?
Yes. Direct flights were found from $620.
Which airlines fly from San Francisco to Seoul?
Airlines found on this route: American Airlines, Air Canada, Air India, Alaska Airlines, EVA Air, Cathay Pacific, Frontier Airlines, Korean Air, All Nippon Airways, Asiana Airlines, Philippine Airlines, Turkish Airlines.
How far is Seoul from San Francisco?
The distance is about 9029 km. A direct flight takes about 13 h.
How long is the flight from San Francisco to Seoul?
The shortest flight takes 12 h 40 min; most take about 13 h.
Which airports do flights from San Francisco to Seoul use?
Most depart from San Francisco International Airport and arrive at Incheon International Airport.
What is the cheapest day of the week to fly from San Francisco to Seoul?
In the next two months, Wednesday departures are the cheapest; the single cheapest day is 4 November at $353.
Round trip from $620 Check live prices