Flights to South Korea

$770 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 10/22. 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
1 adult, Economy, 0 bags

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Recent flights found to popular cities in South Korea

Find flights to these popular cities in South Korea from your nearest airport.
China Eastern
Oct 22
SFO
37h 25m
1 stop
ICN
Nov 2
ICN
17h 05m
1 stop
SFO
$770
Asiana Airlines
Oct 3
SFO
12h 35m
ICN
Oct 10
ICN
10h 50m
SFO
$771
AIR PREMIA
Aug 17
SFO
12h 40m
ICN
Aug 31
ICN
11h 00m
SFO
$774
AIR PREMIA
Aug 21
SFO
12h 40m
ICN
Sep 7
ICN
11h 00m
SFO
$775
China Eastern
Nov 5
SFO
30h 55m
1 stop
ICN
Nov 20
ICN
33h 40m
1 stop
SFO
$776
China Eastern
Oct 22
SFO
35h 10m
1 stop
ICN
Oct 31
ICN
57h 20m
2 stops
SFO
$778
Asiana Airlines
Nov 4
SFO
12h 55m
ICN
Nov 13
ICN
22h 21m
1 stop
SFO
$781
AIR PREMIA
Nov 2
SFO
13h 00m
ICN
Nov 11
ICN
10h 35m
SFO
$782
United Airlines
Nov 9
SFO
33h 25m
1 stop
ICN
Nov 17
ICN
32h 49m
1 stop
SFO
$783
China Eastern
Oct 26
SFO
30h 00m
2 stops
ICN
Nov 11
ICN
41h 30m
2 stops
SFO
$785
AIR PREMIA
Jul 31
SFO
12h 40m
ICN
Aug 17
ICN
11h 00m
SFO
$791
AIR PREMIA
Jul 29
SFO
12h 40m
ICN
Aug 19
ICN
11h 00m
SFO
$793
Cathay Pacific
Sep 8
SFO
24h 30m
1 stop
CJU
Sep 22
CJU
31h 10m
1 stop
SFO
$887
Cathay Pacific
Sep 6
SFO
37h 10m
1 stop
CJU
Sep 22
CJU
19h 25m
1 stop
SFO
$928
Multiple Airlines
Nov 9
SFO
35h 05m
1 stop
CJU
Nov 20
CJU
22h 20m
1 stop
SFO
$956
Cathay Pacific
Sep 8
LAX
25h 10m
1 stop
CJU
Sep 22
CJU
25h 00m
1 stop
LAX
$968
Cathay Pacific
Sep 6
SFO
24h 30m
1 stop
CJU
Sep 22
CJU
19h 25m
1 stop
SFO
$978
Cathay Pacific
Sep 8
SEA
26h 05m
1 stop
CJU
Sep 22
CJU
18h 35m
1 stop
SEA
$984
Multiple Airlines
Sep 9
LAX
19h 35m
1 stop
CJU
Sep 23
CJU
26h 15m
1 stop
LAX
$998
Cathay Pacific
Sep 6
LAX
38h 05m
1 stop
CJU
Sep 22
CJU
19h 15m
1 stop
LAX
$1,001
Multiple Airlines
Aug 3
LAX
29h 25m
1 stop
CJU
Aug 12
CJU
21h 30m
1 stop
LAX
$1,020
Cathay Pacific
Nov 30
LAX
40h 25m
1 stop
CJU
Dec 7
CJU
30h 00m
1 stop
LAX
$1,024
Cathay Pacific
Nov 8
SFO
38h 45m
1 stop
CJU
Nov 18
CJU
30h 20m
1 stop
SFO
$1,030
Cathay Pacific
Nov 8
SFO
38h 45m
1 stop
CJU
Nov 19
CJU
30h 20m
1 stop
SFO
$1,039
Multiple Airlines
Sep 6
SFO
36h 05m
1 stop
PUS
Sep 30
PUS
23h 05m
1 stop
SFO
$848
Multiple Airlines
Sep 5
SFO
37h 35m
1 stop
PUS
Sep 12
PUS
21h 50m
1 stop
SFO
$866
China Eastern
Sep 6
LAX
36h 20m
1 stop
PUS
Sep 12
PUS
37h 30m
1 stop
LAX
$883
Cathay Pacific
Aug 26
SFO
37h 40m
1 stop
PUS
Aug 31
PUS
31h 30m
1 stop
SFO
$883
Cathay Pacific
Aug 18
SFO
37h 40m
1 stop
PUS
Aug 26
PUS
31h 30m
1 stop
SFO
$887
China Eastern
Sep 15
LAX
36h 20m
1 stop
PUS
Oct 11
PUS
32h 15m
1 stop
LAX
$932
China Eastern
Sep 17
LAX
36h 20m
1 stop
PUS
Oct 9
PUS
37h 30m
1 stop
LAX
$945
Multiple Airlines
Sep 6
LAX
31h 05m
1 stop
PUS
Sep 12
PUS
37h 30m
1 stop
LAX
$949
Multiple Airlines
Nov 9
SFO
30h 35m
1 stop
PUS
Nov 20
PUS
32h 10m
1 stop
SFO
$949
Cathay Pacific
Sep 17
JFK
32h 00m
1 stop
PUS
Sep 21
PUS
43h 15m
1 stop
JFK
$953
Cathay Pacific
Sep 1
LAX
20h 10m
1 stop
PUS
Sep 16
PUS
23h 40m
1 stop
LAX
$953
Multiple Airlines
Nov 28
LAX
36h 20m
1 stop
PUS
Dec 14
PUS
32h 15m
1 stop
LAX
$954
China Eastern
Aug 24
LAX
30h 30m
1 stop
TAE
Sep 5
TAE
32h 55m
1 stop
LAX
$873
China Eastern
Sep 12
SFO
31h 00m
1 stop
TAE
Sep 20
TAE
31h 55m
1 stop
SFO
$932
China Eastern
Sep 9
LAX
35h 40m
1 stop
TAE
Sep 23
TAE
32h 55m
1 stop
LAX
$968
China Eastern
Sep 7
SFO
31h 00m
1 stop
TAE
Sep 20
TAE
31h 55m
1 stop
SFO
$997
Korean Air
Oct 29
SFO
15h 05m
1 stop
TAE
Nov 2
TAE
18h 50m
1 stop
SFO
$1,067
Korean Air
Aug 18
SFO
14h 45m
1 stop
TAE
Aug 30
TAE
19h 05m
1 stop
SFO
$1,069
Korean Air
Sep 6
SFO
35h 00m
2 stops
TAE
Sep 26
TAE
18h 45m
1 stop
SFO
$1,074
Delta
Sep 6
SFO
21h 55m
2 stops
TAE
Sep 22
TAE
32h 04m
2 stops
SFO
$1,080
Korean Air
Oct 29
SFO
38h 40m
2 stops
TAE
Nov 2
TAE
18h 50m
1 stop
SFO
$1,084
Korean Air
Aug 18
SFO
35h 00m
2 stops
TAE
Aug 30
TAE
19h 05m
1 stop
SFO
$1,085
Korean Air
Aug 18
SFO
14h 45m
1 stop
TAE
Aug 30
TAE
41h 41m
2 stops
SFO
$1,086
Korean Air
Sep 14
SFO
34h 56m
2 stops
TAE
Sep 17
TAE
41h 41m
2 stops
SFO
$1,091

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.
China Eastern Logo
12:00 pm - 5:25 pm
SFO
-
ICN
37h 25m
1 stop
China Eastern Logo
8:55 am - 9:00 am
ICN
-
SFO
17h 05m
1 stop
$770China Eastern
Thu, Oct 22 - Mon, Nov 2
Asiana Airlines Logo
10:40 am - 3:00 pm
SFO
-
ICN
12h 20mnonstop
Asiana Airlines Logo
11:30 am - 6:30 am
ICN
-
SFO
11h 00mnonstop
$771Asiana Airlines
Thu, Aug 27 - Sun, Sep 6
United Airlines Logo
10:25 am - 3:00 pm
SFO
-
ICN
12h 35mnonstop
United Airlines Logo
6:30 pm - 9:30 am
ICN
-
SFO
32h 00m
1 stop
$772United Airlines
Sun, Oct 18 - Sat, Nov 7
AIR PREMIA Logo
5:00 pm - 9:40 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
7:15 pm - 2:15 pm
ICN
-
SFO
11h 00mnonstop
$774AIR PREMIA
Mon, Aug 17 - Mon, Aug 31
AIR PREMIA Logo
5:00 pm - 9:40 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
7:15 pm - 2:15 pm
ICN
-
SFO
11h 00mnonstop
$775AIR PREMIA
Fri, Aug 21 - Mon, Sep 7
United Airlines Logo
9:15 pm - 4:25 pm
SFO
-
ICN
27h 10m
1 stop
United Airlines Logo
6:30 pm - 11:51 pm
ICN
-
SFO
22h 21m
1 stop
$776United Airlines
Sat, Oct 31 - Sat, Nov 14
Cathay Pacific Logo
12:25 pm - 10:25 pm
SEA
-
ICN
18h 00m
1 stop
Cathay Pacific Logo
3:10 pm - 10:05 am
ICN
-
SEA
34h 55m
1 stop
$894Cathay Pacific
Wed, Aug 12 - Fri, Oct 23
Cathay Pacific Logo
12:25 pm - 10:25 pm
SEA
-
ICN
18h 00m
1 stop
Cathay Pacific Logo
8:05 pm - 10:05 am
ICN
-
SEA
30h 00m
1 stop
$898Cathay Pacific
Sat, Aug 22 - Tue, Sep 15
EVA Air Logo
1:50 am - 11:00 am
IAD
-
ICN
20h 10m
1 stop
EVA Air Logo
7:45 pm - 10:00 pm
ICN
-
IAD
39h 15m
1 stop
$1,244EVA Air
Mon, Aug 31 - Sun, Sep 6
EVA Air Logo
1:50 am - 6:45 pm
IAD
-
ICN
27h 55m
1 stop
EVA Air Logo
7:45 pm - 10:00 pm
ICN
-
IAD
39h 15m
1 stop
$1,249EVA Air
Mon, Jul 20 - Thu, Oct 1

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 June 6, 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

Thu 10/22

12:00 pm-5:25 pm

1 stop37h 25m

Incheon Intl

Mon 11/2

8:55 am-9:00 am

1 stop17h 05m

$770
Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 8/27

10:40 am-3:00 pm

Nonstop12h 20m

Incheon Intl

Sun 9/6

11:30 am-6:30 am

Nonstop11h 00m

$771

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 10/18

10:25 am-3:00 pm

Nonstop12h 35m

Incheon Intl

Sat 11/7

6:30 pm-9:30 am

1 stop32h 00m

$772

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 8/17

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Mon 8/31

7:15 pm-2:15 pm

Nonstop11h 00m

$774

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 8/21

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Mon 9/7

7:15 pm-2:15 pm

Nonstop11h 00m

$775

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 10/31

9:15 pm-4:25 pm

1 stop27h 10m

Incheon Intl

Sat 11/14

6:30 pm-11:51 pm

1 stop22h 21m

$776

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 8/12

12:25 pm-10:25 pm

1 stop18h 00m

Incheon Intl

Fri 10/23

3:10 pm-10:05 am

1 stop34h 55m

$894

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 8/22

12:25 pm-10:25 pm

1 stop18h 00m

Incheon Intl

Tue 9/15

8:05 pm-10:05 am

1 stop30h 00m

$898

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 8/31

1:50 am-11:00 am

1 stop20h 10m

Incheon Intl

Sun 9/6

7:45 pm-10:00 pm

1 stop39h 15m

$1,244

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 7/20

1:50 am-6:45 pm

1 stop27h 55m

Incheon Intl

Thu 10/1

7:45 pm-10:00 pm

1 stop39h 15m

$1,249

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:
$11 per person with T'way Air
$16 per person with Jeju 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

$362

Best Round-Trip Price

$770

Fastest flight time

15h 35m
The best one-way flight price to South Korea from United States in the last 5 days is $362 (Seattle/Tacoma Intl to Incheon Intl).
The best round-trip flight price to South Korea from United States in the last 5 days is $770 (San Francisco to Incheon Intl).
The fastest flight to South Korea from United States takes 15h 35m (Washington, D.C. Dulles Intl 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 $367 or as high as $27,584. Based on recent airfare data, we’ve found that a ticket to South Korea for $2,177 or less is a good deal, whereas $2,477 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

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1 adult
Mon 7/6
Mon 7/13

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