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Cheap flights from San Francisco to Seoul from $804

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Seoul departing on 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Cathay Pacific Logo
11:55 pm - 6:45 amSFO-CJJ
38h 50m1 stop
Cathay Pacific Logo
7:35 am - 4:20 pmCJJ-SFO
25h 45m1 stop
$1,057Cathay Pacific
Find Deal
Mon, Oct 27 - Thu, Nov 13
Cathay Pacific Logo
10:55 pm - 6:45 amSFO-CJJ
38h 50m1 stop
Cathay Pacific Logo
7:35 am - 9:45 amCJJ-SFO
19h 10m1 stop
$1,182Cathay Pacific
Find Deal
Mon, Feb 16 - Thu, Mar 5
Cathay Pacific Logo
11:35 pm - 6:45 amSFO-CJJ
38h 10m1 stop
Cathay Pacific Logo
7:35 am - 9:15 pmCJJ-SFO
30h 40m1 stop
$1,232Cathay Pacific
Find Deal
Sat, Feb 14 - Tue, Mar 3
Cathay Pacific Logo
10:55 pm - 6:45 amSFO-CJJ
38h 50m1 stop
Cathay Pacific Logo
7:35 am - 9:45 amCJJ-SFO
19h 10m1 stop
$1,325Cathay Pacific
Find Deal
Wed, Nov 19 - Thu, Nov 27
Cathay Pacific Logo
11:35 pm - 6:45 amSFO-CJJ
38h 10m1 stop
Cathay Pacific Logo
7:35 am - 4:20 pmCJJ-SFO
25h 45m1 stop
$1,437Cathay Pacific
Find Deal
Mon, Feb 16 - Sat, Feb 28
Cathay Pacific Logo
11:35 pm - 6:45 amSFO-CJJ
38h 10m1 stop
Cathay Pacific Logo
7:35 am - 4:20 pmCJJ-SFO
25h 45m1 stop
$1,487Cathay Pacific
Find Deal
Sat, Feb 14 - Sat, Feb 28
Cathay Pacific Logo
12:55 pm - 6:45 amSFO-CJJ
25h 50m1 stop
Cathay Pacific Logo
7:30 am - 5:30 pmCJJ-SFO
26h 00m1 stop
$1,568Cathay Pacific
Find Deal
Thu, Sep 25 - Thu, Oct 2
Cathay Pacific Logo
10:55 pm - 6:45 amSFO-CJJ
38h 50m1 stop
Cathay Pacific Logo
7:35 am - 9:15 pmCJJ-SFO
30h 40m1 stop
$1,677Cathay Pacific
Find Deal
Mon, Nov 17 - Sat, Nov 29
Cathay Pacific Logo
10:55 pm - 6:45 amSFO-CJJ
38h 50m1 stop
Cathay Pacific Logo
7:35 am - 9:15 pmCJJ-SFO
30h 40m1 stop
$1,820Cathay Pacific
Find Deal
Wed, Nov 19 - Sat, Nov 29
Cathay Pacific Logo
12:20 am - 6:45 amSFO-CJJ
38h 25m1 stop
Cathay Pacific Logo
7:30 am - 11:15 amCJJ-SFO
19h 45m1 stop
$1,839Cathay Pacific
Find Deal
Thu, Oct 9 - Thu, Oct 16

Cathay Pacific flights from San Francisco to Cheongju

Our best Cathay Pacific deals on San Francisco to Cheongju flight tickets
Cathay Pacific
Sep 18
SFO12:55 pmSan Francisco
25h 50m
1 stop
CJJ6:45 amCheongju
Sep 25
CJJ7:30 amCheongju
19h 45m
1 stop
SFO11:15 amSan Francisco
$998
Find similar
Cathay Pacific
Oct 27
SFO11:55 pmSan Francisco
38h 50m
1 stop
CJJ6:45 amCheongju
Nov 13
CJJ7:35 amCheongju
25h 45m
1 stop
SFO4:20 pmSan Francisco
$1,057
Find similar
Cathay Pacific
Sep 23
SFO12:55 pmSan Francisco
25h 50m
1 stop
CJJ6:45 amCheongju
Sep 30
CJJ7:30 amCheongju
19h 45m
1 stop
SFO11:15 amSan Francisco
$1,063
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Cheongju that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from San Francisco to Cheongju that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Mon 10/27

11:55 pm-6:45 am

1 stop38h 50m

Cheongju

Thu 11/13

7:35 am-4:20 pm

1 stop25h 45m

$1,057

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Mon 2/16

10:55 pm-6:45 am

1 stop38h 50m

Cheongju

Thu 3/5

7:35 am-9:45 am

1 stop19h 10m

$1,182

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Sat 2/14

11:35 pm-6:45 am

1 stop38h 10m

Cheongju

Tue 3/3

7:35 am-9:15 pm

1 stop30h 40m

$1,232

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Wed 11/19

10:55 pm-6:45 am

1 stop38h 50m

Cheongju

Thu 11/27

7:35 am-9:45 am

1 stop19h 10m

$1,325

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Mon 2/16

11:35 pm-6:45 am

1 stop38h 10m

Cheongju

Sat 2/28

7:35 am-4:20 pm

1 stop25h 45m

$1,437

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Sat 2/14

11:35 pm-6:45 am

1 stop38h 10m

Cheongju

Sat 2/28

7:35 am-4:20 pm

1 stop25h 45m

$1,487

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Thu 9/25

12:55 pm-6:45 am

1 stop25h 50m

Cheongju

Thu 10/2

7:30 am-5:30 pm

1 stop26h 00m

$1,568

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Mon 11/17

10:55 pm-6:45 am

1 stop38h 50m

Cheongju

Sat 11/29

7:35 am-9:15 pm

1 stop30h 40m

$1,677

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Wed 11/19

10:55 pm-6:45 am

1 stop38h 50m

Cheongju

Sat 11/29

7:35 am-9:15 pm

1 stop30h 40m

$1,820

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Thu 10/9

12:20 am-6:45 am

1 stop38h 25m

Cheongju

Thu 10/16

7:30 am-11:15 am

1 stop19h 45m

$1,839

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from San Francisco to Cheongju

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from San Francisco to Cheongju?

Cathay Pacific is the most popular carrier operating from San Francisco to Cheongju

What airlines fly to Cheongju?

United Airlines, AIR PREMIA and Asiana Airlines are the top three most popular airlines that fly to Cheongju from San Francisco according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Cheongju. Keep in mind that there are 14 different airlines that fly to Cheongju on a routine basis, so you have a few additional options to choose from.

When to book flights from San Francisco to Cheongju

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Cheongju according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Cheongju (SFO to CJJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Cheongju

Direct flights

None
There are no direct flights from San Francisco to Cheongju. There are no popular flight routes from San Francisco to Cheongju.
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  • How far is San Francisco to Cheongju by plane?

    San Francisco and Cheongju are 5627.4 mi apart from one another. A reasonable flight in good conditions will take 25h 50m.

  • When did momondo last update prices for flights from San Francisco Airport to Cheongju Airport?

    Prices for flights from San Francisco Airport to Cheongju Airport are updated daily.

  • How old do you have to be to fly from San Francisco Airport to Cheongju Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Cheongju Airport.

  • What documentation or ID do you need to fly to Cheongju Airport?

    The travel and health documents required for your trip to Cheongju Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cheongju Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Cheongju?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Cheongju. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Francisco to Cheongju with flexible booking policies on momondo?

Yes. All flights to Cheongju from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco to Cheongju?

Once you have performed a search for San Francisco to Cheongju flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Francisco to Cheongju right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to Cheongju flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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