Flights to South Korea

$704 Cheap flights to South Korea

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to South Korea departing on 9/6. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Recent flights found to popular cities in South Korea

Find flights to these popular cities in South Korea from your nearest airport.
AIR PREMIA
Sep 6
SFO
12h 40m
ICN
Sep 27
ICN
11h 00m
SFO
$704
AIR PREMIA
Aug 16
SFO
12h 40m
ICN
Aug 23
ICN
11h 00m
SFO
$714
AIR PREMIA
Aug 9
SFO
12h 40m
ICN
Aug 23
ICN
11h 00m
SFO
$724
AIR PREMIA
Sep 4
SFO
12h 40m
ICN
Sep 9
ICN
11h 00m
SFO
$725
AIR PREMIA
Sep 5
SFO
12h 40m
ICN
Sep 13
ICN
11h 00m
SFO
$726
AIR PREMIA
Aug 3
SFO
12h 40m
ICN
Aug 26
ICN
11h 00m
SFO
$727
AIR PREMIA
Aug 8
SFO
12h 40m
ICN
Aug 22
ICN
11h 00m
SFO
$729
AIR PREMIA
Sep 4
SFO
12h 40m
ICN
Sep 12
ICN
11h 00m
SFO
$740
AIR PREMIA
Oct 4
SFO
12h 40m
ICN
Oct 10
ICN
11h 00m
SFO
$741
AIR PREMIA
Oct 18
SFO
12h 40m
ICN
Nov 22
ICN
10h 35m
SFO
$745
AIR PREMIA
Aug 29
SFO
12h 40m
ICN
Sep 4
ICN
11h 00m
SFO
$747
AIR PREMIA
Oct 5
SFO
12h 40m
ICN
Oct 19
ICN
11h 00m
SFO
$751
Cathay Pacific
Sep 1
SEA
26h 05m
1 stop
CJU
Sep 15
CJU
18h 50m
1 stop
SEA
$870
Cathay Pacific
Sep 4
SFO
37h 10m
1 stop
CJU
Sep 10
CJU
19h 55m
1 stop
SFO
$938
Multiple Airlines
Aug 9
SFO
35h 55m
1 stop
CJU
Aug 15
CJU
19h 40m
1 stop
SFO
$983
Cathay Pacific
Oct 27
SFO
38h 45m
1 stop
CJU
Nov 3
CJU
30h 20m
1 stop
SFO
$1,015
Korean Air
Aug 5
SFO
26h 40m
1 stop
CJU
Aug 16
CJU
35h 25m
1 stop
SFO
$1,087
Korean Air
Aug 5
SFO
32h 00m
2 stops
CJU
Aug 16
CJU
31h 25m
1 stop
SFO
$1,092
Korean Air
Aug 5
SFO
28h 25m
1 stop
CJU
Aug 14
CJU
39h 21m
2 stops
SFO
$1,103
Korean Air
Aug 5
SFO
25h 20m
2 stops
CJU
Aug 14
CJU
39h 21m
2 stops
SFO
$1,109
Multiple Airlines
Sep 1
SEA
26h 05m
1 stop
CJU
Sep 15
CJU
23h 45m
2 stops
SEA
$1,129
Korean Air
Sep 5
SFO
31h 20m
2 stops
CJU
Sep 10
CJU
29h 35m
2 stops
SFO
$1,133
Cathay Pacific
Sep 4
ORD
24h 30m
1 stop
CJU
Sep 13
CJU
20h 50m
1 stop
ORD
$1,143
Multiple Airlines
Aug 9
SFO
23h 45m
1 stop
CJU
Aug 17
CJU
29h 40m
2 stops
SFO
$1,154
Cathay Pacific
Aug 12
LAX
38h 35m
1 stop
PUS
Aug 28
PUS
19h 30m
1 stop
LAX
$1,011
Cathay Pacific
Aug 13
LAX
25h 40m
1 stop
PUS
Aug 28
PUS
19h 30m
1 stop
LAX
$1,016
Multiple Airlines
Aug 14
LAX
29h 35m
1 stop
PUS
Aug 28
PUS
26h 10m
1 stop
LAX
$1,022
Cathay Pacific
Sep 11
JFK
40h 05m
1 stop
PUS
Sep 22
PUS
35h 15m
1 stop
JFK
$1,043
Multiple Airlines
Jul 20
SFO
18h 10m
1 stop
PUS
Jul 23
PUS
21h 20m
1 stop
SFO
$1,110
China Airlines
Aug 9
ONT
16h 45m
1 stop
PUS
Aug 31
PUS
24h 10m
1 stop
ONT
$1,128
Delta
Jun 16
SFO
33h 50m
2 stops
PUS
Jun 23
PUS
18h 40m
1 stop
SFO
$1,151
Philippine Airlines
Aug 14
LAX
28h 05m
1 stop
PUS
Aug 28
PUS
28h 30m
1 stop
LAX
$1,167
China Airlines
Aug 31
ONT
18h 30m
1 stop
PUS
Oct 1
PUS
21h 45m
1 stop
ONT
$1,167
China Airlines
Aug 25
ONT
16h 45m
1 stop
PUS
Sep 16
PUS
21h 45m
1 stop
ONT
$1,170
China Airlines
Nov 9
ONT
27h 00m
1 stop
PUS
Nov 12
PUS
22h 00m
1 stop
ONT
$1,181
Multiple Airlines
Aug 13
LAX
33h 05m
1 stop
PUS
Aug 28
PUS
28h 55m
2 stops
LAX
$1,204
Korean Air
Aug 17
SFO
14h 45m
1 stop
TAE
Sep 4
TAE
18h 45m
1 stop
SFO
$939
Korean Air
Aug 18
SFO
37h 15m
2 stops
TAE
Sep 4
TAE
18h 45m
1 stop
SFO
$940
Korean Air
Aug 18
SFO
37h 15m
2 stops
TAE
Sep 4
TAE
41h 42m
2 stops
SFO
$946
China Eastern
Sep 6
SFO
39h 15m
2 stops
TAE
Sep 9
TAE
37h 05m
1 stop
SFO
$1,019
China Eastern
Aug 30
SFO
38h 40m
2 stops
TAE
Sep 3
TAE
38h 01m
2 stops
SFO
$1,059
China Eastern
Aug 30
SFO
33h 30m
2 stops
TAE
Sep 3
TAE
55h 16m
2 stops
SFO
$1,066
Korean Air
Aug 18
SFO
14h 45m
1 stop
TAE
Aug 30
TAE
19h 05m
1 stop
SFO
$1,067
Korean Air
Aug 18
SFO
34h 50m
2 stops
TAE
Aug 30
TAE
19h 05m
1 stop
SFO
$1,073
Delta
Jul 28
SFO
14h 45m
1 stop
TAE
Aug 17
TAE
31h 49m
2 stops
SFO
$1,074
Delta
Jul 28
SFO
20h 55m
2 stops
TAE
Aug 17
TAE
31h 49m
2 stops
SFO
$1,078
Korean Air
Aug 17
SFO
14h 45m
1 stop
TAE
Sep 4
TAE
40h 31m
2 stops
SFO
$1,084
Korean Air
Aug 18
SFO
37h 15m
2 stops
TAE
Aug 30
TAE
42h 06m
2 stops
SFO
$1,089

Find the cheapest flights from the United States to South Korea

Recent round-trip flight deals from the United States to South Korea

Enter your travel dates to find the best prices.
AIR PREMIA Logo
3:30 pm - 8:10 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
6:00 pm - 1:00 pm
ICN
-
SFO
11h 00mnonstop
$704AIR PREMIA
Sun, Sep 6 - Sun, Sep 27
AIR PREMIA Logo
3:30 pm - 8:10 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
6:00 pm - 1:00 pm
ICN
-
SFO
11h 00mnonstop
$714AIR PREMIA
Sun, Aug 16 - Sun, Aug 23
Cathay Pacific Logo
12:25 pm - 12:40 pm
SEA
-
ICN
32h 15m
1 stop
Cathay Pacific Logo
6:40 am - 10:05 am
ICN
-
SEA
19h 25m
1 stop
$877Cathay Pacific
Tue, Sep 8 - Wed, Sep 16
Cathay Pacific Logo
12:25 pm - 12:25 am
SEA
-
ICN
20h 00m
1 stop
Cathay Pacific Logo
1:55 am - 10:05 am
ICN
-
SEA
24h 10m
1 stop
$879Cathay Pacific
Tue, Sep 1 - Tue, Sep 29
Asiana Airlines Logo
12:10 am - 4:00 am
SEA
-
ICN
11h 50mnonstop
Asiana Airlines Logo
9:20 pm - 3:45 pm
ICN
-
SEA
10h 25mnonstop
$880Asiana Airlines
Thu, Jul 16 - Sun, Aug 2
Asiana Airlines Logo
12:10 am - 4:00 am
SEA
-
ICN
11h 50mnonstop
Asiana Airlines Logo
9:00 pm - 1:55 pm
ICN
-
SEA
9h 55mnonstop
$882Asiana Airlines
Sun, Jul 12 - Mon, Nov 16
United Airlines Logo
6:00 am - 4:15 pm
EWR
-
ICN
20h 15m
1 stop
United Airlines Logo
6:30 pm - 6:10 pm
ICN
-
EWR
13h 40mnonstop
$1,062United Airlines
Mon, Nov 16 - Sun, Nov 22
American Airlines Logo
5:00 am - 4:25 pm
EWR
-
ICN
22h 25m
2 stops
American Airlines Logo
6:35 pm - 11:54 pm
ICN
-
EWR
19h 19m
1 stop
$1,071American Airlines
Sun, Oct 25 - Mon, Nov 2
United Airlines Logo
4:10 pm - 4:20 am
LGA
-
ICN
23h 10m
2 stops
United Airlines Logo
4:50 pm - 9:12 am
ICN
-
LGA
29h 22m
2 stops
$1,161United Airlines
Sat, Sep 5 - Tue, Sep 29
American Airlines Logo
7:00 pm - 4:25 pm
LGA
-
ICN
31h 25m
1 stop
American Airlines Logo
6:35 pm - 11:29 am
ICN
-
LGA
30h 54m
1 stop
$1,195American Airlines
Mon, Nov 2 - Sun, Nov 15

momondo Fare Finder

 
Locate flights to South Korea that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on May 22, 2026.
Use the filters below to find and compare flights to South Korea that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 9/6

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Sun 9/27

6:00 pm-1:00 pm

Nonstop11h 00m

$704

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 8/16

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Sun 8/23

6:00 pm-1:00 pm

Nonstop11h 00m

$714

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 9/8

12:25 pm-12:40 pm

1 stop32h 15m

Incheon Intl

Wed 9/16

6:40 am-10:05 am

1 stop19h 25m

$877

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 9/1

12:25 pm-12:25 am

1 stop20h 00m

Incheon Intl

Tue 9/29

1:55 am-10:05 am

1 stop24h 10m

$879

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 7/16

12:10 am-4:00 am

Nonstop11h 50m

Incheon Intl

Sun 8/2

9:20 pm-3:45 pm

Nonstop10h 25m

$880
Quickest round-trip

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sun 7/12

12:10 am-4:00 am

Nonstop11h 50m

Incheon Intl

Mon 11/16

9:00 pm-1:55 pm

Nonstop9h 55m

$882

NewarkIncheon

EWR - ICN

EWRICN

Newark

Mon 11/16

6:00 am-4:15 pm

1 stop20h 15m

Incheon Intl

Sun 11/22

6:30 pm-6:10 pm

Nonstop13h 40m

$1,062

NewarkIncheon

EWR - ICN

EWRICN

Newark

Sun 10/25

5:00 am-4:25 pm

2 stops22h 25m

Incheon Intl

Mon 11/2

6:35 pm-11:54 pm

1 stop19h 19m

$1,071

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Sat 9/5

4:10 pm-4:20 am

2 stops23h 10m

Incheon Intl

Tue 9/29

4:50 pm-9:12 am

2 stops29h 22m

$1,161

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Mon 11/2

7:00 pm-4:25 pm

1 stop31h 25m

Incheon Intl

Sun 11/15

6:35 pm-11:29 am

1 stop30h 54m

$1,195

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to South Korea from

South Korea flights insights and trends

Explore insights for your South Korea flight to craft the best travel plan

What is the cheapest flight to South Korea?

The best prices found on momondo for flights to South Korea are:
$7 per person with Jeju Air
$11 per person with T'way Air
$18 per person with Asiana Airlines

See prices from:

Cheapest flights to cities in South Korea

Click on the cities below to find out when it's cheapest to fly to South Korea from United States
Seoul
Seoul

Cheap South Korea flight deals and tips

Summary info about South Korea flight prices, duration and airlines

Best One-Way Price

$429

Best Round-Trip Price

$704

Fastest flight time

12h 20m
The best one-way flight price to South Korea from United States in the last 5 days is $429 (San Francisco to Incheon Intl).
The best round-trip flight price to South Korea from United States in the last 5 days is $704 (San Francisco to Incheon Intl).
The fastest flight to South Korea from United States takes 12h 20m (San Francisco to Incheon Intl).

Frequently asked questions about flying to South Korea

What popular landmarks are in South Korea?

What is the best airport to land at to visit Haeundae Beach?

When visiting Haeundae Beach in Busan, the closest airport is Busan Airport.

What airlines fly to South Korea?

What is the most popular airport in South Korea to fly to?

How much are flights to South Korea?

The cost to fly to South Korea varies based on a variety of factors, but you can expect to find prices as low as $358 or as high as $27,584. Based on recent airfare data, we’ve found that a ticket to South Korea for $2,199 or less is a good deal, whereas $2,478 is the average cost.

What is the best day of the week to fly to South Korea?

Sunday is the best day of the week to fly to South Korea based on flight prices. Tuesday is another affordable option. If you are looking to save money on flights to South Korea, then try to avoid flying out on a Friday since this is when prices are at their highest.

When did momondo last update prices for flights to South Korea?

Prices for flights to South Korea refresh daily.

How many operators does momondo search for flights to South Korea?

How old do you have to be to fly to South Korea?

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 to South Korea.

What documentation or ID do you need to fly to South Korea?

The required travel and health documents for your South Korea trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at South Korea. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to South Korea?

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

Can I find flights to South Korea with flexible booking policies on momondo?

Yes. All flights to South Korea on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to South Korea?

momondo provides multiple filters to help you find the best flight to South Korea. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight to South Korea right now. Can momondo alert me if prices change?

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

An easier way to manage your South Korea trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 6/21
Sun 6/28

Find better results for your trip to South Korea