Cheap flights from San Francisco to Seoul from $1,947

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Seoul departing on 6/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from San Francisco to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 pm - 6:05 am
SFO
-
CJJ
25h 35m
1 stop
Multiple Airlines Logo
5:05 pm - 2:45 pm
CJJ
-
SFO
37h 40m
2 stops
$1,947Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
6:30 am - 9:55 pm
SFO
-
CJJ
23h 25m
2 stops
Multiple Airlines Logo
7:20 am - 6:00 pm
CJJ
-
SFO
26h 40m
2 stops
$1,959Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
12:30 pm - 6:05 am
SFO
-
CJJ
25h 35m
1 stop
Multiple Airlines Logo
11:40 pm - 6:45 am
CJJ
-
SFO
23h 05m
1 stop
$2,037Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
6:30 am - 9:55 pm
SFO
-
CJJ
23h 25m
2 stops
Multiple Airlines Logo
9:10 pm - 2:45 pm
CJJ
-
SFO
33h 35m
3 stops
$2,060Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
12:30 pm - 1:25 pm
SFO
-
CJJ
32h 55m
3 stops
Multiple Airlines Logo
9:10 pm - 2:45 pm
CJJ
-
SFO
33h 35m
3 stops
$2,225Multiple Airlines
Mon, Jun 15 - Mon, Jun 22

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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 May 5, 2026.
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

Cheapest round-trip

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Mon 6/15

12:30 pm-6:05 am

1 stop25h 35m

Cheongju

Mon 6/22

5:05 pm-2:45 pm

2 stops37h 40m

$1,947

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Mon 6/15

6:30 am-9:55 pm

2 stops23h 25m

Cheongju

Mon 6/22

7:20 am-6:00 pm

2 stops26h 40m

$1,959
Quickest round-trip

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Mon 6/15

12:30 pm-6:05 am

1 stop25h 35m

Cheongju

Mon 6/22

11:40 pm-6:45 am

1 stop23h 05m

$2,037

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Mon 6/15

6:30 am-9:55 pm

2 stops23h 25m

Cheongju

Mon 6/22

9:10 pm-2:45 pm

3 stops33h 35m

$2,060

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Mon 6/15

12:30 pm-1:25 pm

3 stops32h 55m

Cheongju

Mon 6/22

9:10 pm-2:45 pm

3 stops33h 35m

$2,225

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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 32% of people opting to fly with this airline when traveling to Cheongju. Keep in mind that there are 13 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

Fastest flight time

25h 35m

Direct flights

None
The fastest flight from San Francisco to Cheongju takes 25h 35m
There are no direct flights from San Francisco to Cheongju. There are no popular flight routes from San Francisco to Cheongju.

Frequently asked questions about flying from San Francisco to Cheongju

  • How far is San Francisco to Cheongju by plane?

    San Francisco and Cheongju are 5628.3 mi apart from one another. A reasonable flight in good conditions will take 25h 35m.

  • 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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1 adult
Thu 6/4
Thu 6/11

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