Flights to South Korea

$698 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 8/17. 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
Aug 17
SFO
12h 40m
ICN
Aug 31
ICN
11h 00m
SFO
$698
AIR PREMIA
Aug 28
SFO
12h 40m
ICN
Sep 6
ICN
11h 00m
SFO
$699
AIR PREMIA
Aug 26
SFO
12h 40m
ICN
Sep 5
ICN
11h 00m
SFO
$702
AIR PREMIA
Aug 29
SFO
12h 40m
ICN
Sep 9
ICN
11h 00m
SFO
$703
AIR PREMIA
Oct 24
SFO
12h 40m
ICN
Nov 9
ICN
10h 35m
SFO
$705
AIR PREMIA
Aug 21
SFO
12h 40m
ICN
Aug 26
ICN
11h 00m
SFO
$707
AIR PREMIA
Aug 26
SFO
12h 40m
ICN
Sep 2
ICN
11h 00m
SFO
$709
AIR PREMIA
Oct 18
SFO
12h 40m
ICN
Nov 9
ICN
10h 35m
SFO
$711
AIR PREMIA
Aug 26
SFO
12h 40m
ICN
Sep 9
ICN
11h 00m
SFO
$717
AIR PREMIA
Aug 28
SFO
12h 40m
ICN
Sep 4
ICN
11h 00m
SFO
$724
AIR PREMIA
Sep 5
SFO
12h 40m
ICN
Sep 12
ICN
11h 00m
SFO
$726
AIR PREMIA
Aug 29
SFO
12h 40m
ICN
Sep 7
ICN
11h 00m
SFO
$727
Cathay Pacific
Sep 7
SFO
37h 10m
1 stop
CJU
Sep 15
CJU
19h 55m
1 stop
SFO
$941
Cathay Pacific
Aug 31
LAX
37h 05m
1 stop
CJU
Sep 20
CJU
30h 30m
1 stop
LAX
$964
Cathay Pacific
Aug 5
LAX
38h 05m
1 stop
CJU
Aug 29
CJU
31h 05m
1 stop
LAX
$1,014
Cathay Pacific
Aug 7
JFK
26h 35m
1 stop
CJU
Dec 20
CJU
42h 05m
1 stop
JFK
$1,089
Cathay Pacific
Sep 7
SEA
26h 05m
1 stop
CJU
Sep 16
CJU
18h 35m
1 stop
SEA
$1,113
Cathay Pacific
Oct 23
JFK
31h 40m
1 stop
CJU
Oct 30
CJU
42h 05m
1 stop
JFK
$1,127
Multiple Airlines
Sep 1
SFO
24h 30m
1 stop
CJU
Sep 3
CJU
22h 30m
2 stops
SFO
$1,137
Multiple Airlines
Sep 5
SEA
35h 25m
1 stop
CJU
Sep 17
CJU
23h 45m
2 stops
SEA
$1,172
Multiple Airlines
Sep 5
SEA
35h 25m
1 stop
CJU
Sep 15
CJU
23h 45m
2 stops
SEA
$1,182
Multiple Airlines
Sep 15
SFO
24h 30m
1 stop
CJU
Sep 22
CJU
35h 15m
2 stops
SFO
$1,202
Multiple Airlines
Aug 31
SFO
25h 00m
2 stops
CJU
Sep 3
CJU
34h 20m
2 stops
SFO
$1,216
Multiple Airlines
Sep 5
SEA
35h 25m
1 stop
CJU
Sep 16
CJU
22h 15m
2 stops
SEA
$1,229
China Eastern
Sep 18
LAX
31h 05m
1 stop
PUS
Oct 13
PUS
32h 15m
1 stop
LAX
$835
Multiple Airlines
Sep 18
LAX
31h 05m
1 stop
PUS
Oct 8
PUS
32h 15m
1 stop
LAX
$868
China Eastern
Sep 13
LAX
31h 05m
1 stop
PUS
Sep 15
PUS
32h 15m
1 stop
LAX
$932
Cathay Pacific
Aug 25
SFO
31h 35m
1 stop
PUS
Sep 1
PUS
19h 40m
1 stop
SFO
$941
Multiple Airlines
Oct 23
LAX
36h 20m
1 stop
PUS
Nov 6
PUS
37h 30m
1 stop
LAX
$949
Cathay Pacific
Oct 21
SFO
26h 00m
1 stop
PUS
Nov 9
PUS
36h 40m
1 stop
SFO
$949
Cathay Pacific
Aug 16
LAX
21h 10m
1 stop
PUS
Aug 26
PUS
30h 50m
1 stop
LAX
$964
Multiple Airlines
Aug 21
LAX
31h 05m
1 stop
PUS
Aug 29
PUS
32h 15m
1 stop
LAX
$977
China Eastern
Sep 12
SFO
31h 35m
1 stop
PUS
Sep 22
PUS
54h 36m
2 stops
SFO
$979
China Eastern
Sep 13
LAX
31h 05m
1 stop
PUS
Sep 15
PUS
32h 15m
1 stop
LAX
$997
Multiple Airlines
Oct 18
LAX
31h 05m
1 stop
PUS
Oct 28
PUS
32h 15m
1 stop
LAX
$1,015
Cathay Pacific
Aug 16
LAX
37h 35m
1 stop
PUS
Aug 28
PUS
30h 50m
1 stop
LAX
$1,017
China Eastern
Aug 19
LAX
30h 30m
1 stop
TAE
Sep 3
TAE
32h 55m
1 stop
LAX
$913
China Eastern
Aug 19
LAX
35h 40m
1 stop
TAE
Sep 2
TAE
32h 55m
1 stop
LAX
$978
China Eastern
Aug 16
LAX
35h 40m
1 stop
TAE
Aug 29
TAE
32h 55m
1 stop
LAX
$1,083
Multiple Airlines
Aug 19
LAX
60h 00m
2 stops
TAE
Sep 2
TAE
32h 55m
1 stop
LAX
$1,108
China Eastern
Sep 30
BOS
44h 40m
2 stops
TAE
Oct 4
TAE
46h 11m
2 stops
BOS
$1,234
Korean Air
Aug 19
LAX
20h 55m
2 stops
TAE
Sep 3
TAE
22h 55m
1 stop
LAX
$1,250
China Eastern
Oct 20
LAX
30h 30m
1 stop
TAE
Oct 22
TAE
32h 55m
1 stop
LAX
$1,252
Multiple Airlines
Aug 19
LAX
60h 00m
2 stops
TAE
Sep 4
TAE
32h 55m
1 stop
LAX
$1,255
Korean Air
Aug 19
LAX
20h 20m
2 stops
TAE
Sep 2
TAE
29h 15m
2 stops
LAX
$1,256
Multiple Airlines
Aug 19
LAX
60h 00m
2 stops
TAE
Sep 4
TAE
32h 55m
1 stop
LAX
$1,261
Korean Air
Aug 19
LAX
14h 55m
1 stop
TAE
Sep 4
TAE
22h 55m
1 stop
LAX
$1,299
Korean Air
Aug 19
LAX
20h 20m
2 stops
TAE
Sep 4
TAE
29h 15m
2 stops
LAX
$1,306

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
$698AIR PREMIA
Mon, Aug 17 - Mon, Aug 31
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
$699AIR PREMIA
Fri, Aug 28 - Sun, Sep 6
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
$702AIR PREMIA
Wed, Aug 26 - Sat, Sep 5
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
$819Asiana Airlines
Tue, Jul 28 - Fri, Aug 28
Asiana Airlines Logo
12:10 am - 4:30 am
SEA
-
ICN
12h 20mnonstop
Asiana Airlines Logo
9:20 pm - 3:15 pm
ICN
-
SEA
9h 55mnonstop
$821Asiana Airlines
Tue, May 5 - Thu, May 7
Delta Logo
1:00 pm - 4:50 pm
SEA
-
ICN
11h 50mnonstop
Delta Logo
7:00 pm - 1:11 pm
ICN
-
SEA
10h 11mnonstop
$824Delta
Wed, May 6 - Thu, May 14
Delta Logo
7:00 am - 5:20 pm
SEA
-
ICN
18h 20m
1 stop
Delta Logo
4:40 pm - 10:40 am
ICN
-
SEA
10h 00mnonstop
$828Delta
Wed, May 6 - Thu, May 14
Korean Air Logo
7:20 am - 5:20 pm
SEA
-
ICN
18h 00m
1 stop
Korean Air Logo
7:00 pm - 1:37 pm
ICN
-
SEA
10h 37mnonstop
$833Korean Air
Wed, Jul 29 - Thu, Sep 3
United Airlines Logo
6:15 pm - 3:00 pm
LGA
-
ICN
31h 45m
2 stops
United Airlines Logo
11:30 am - 9:39 pm
ICN
-
LGA
47h 09m
3 stops
$1,050United Airlines
Mon, Sep 21 - Mon, Sep 28
United Airlines Logo
7:48 pm - 3:00 pm
LGA
-
ICN
30h 12m
2 stops
United Airlines Logo
4:50 pm - 10:08 am
ICN
-
LGA
30h 18m
2 stops
$1,061United Airlines
Fri, Sep 4 - Wed, Oct 21

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 2, 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

Mon 8/17

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Mon 8/31

6:00 pm-1:00 pm

Nonstop11h 00m

$698

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 8/28

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Sun 9/6

6:00 pm-1:00 pm

Nonstop11h 00m

$699

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 8/26

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Sat 9/5

6:00 pm-1:00 pm

Nonstop11h 00m

$702

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 7/28

12:10 am-4:00 am

Nonstop11h 50m

Incheon Intl

Fri 8/28

9:20 pm-3:45 pm

Nonstop10h 25m

$819

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 5/5

12:10 am-4:30 am

Nonstop12h 20m

Incheon Intl

Thu 5/7

9:20 pm-3:15 pm

Nonstop9h 55m

$821
Quickest round-trip

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 5/6

1:00 pm-4:50 pm

Nonstop11h 50m

Incheon Intl

Thu 5/14

7:00 pm-1:11 pm

Nonstop10h 11m

$824

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 5/6

7:00 am-5:20 pm

1 stop18h 20m

Incheon Intl

Thu 5/14

4:40 pm-10:40 am

Nonstop10h 00m

$828

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 7/29

7:20 am-5:20 pm

1 stop18h 00m

Incheon Intl

Thu 9/3

7:00 pm-1:37 pm

Nonstop10h 37m

$833

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Mon 9/21

6:15 pm-3:00 pm

2 stops31h 45m

Incheon Intl

Mon 9/28

11:30 am-9:39 pm

3 stops47h 09m

$1,050

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Fri 9/4

7:48 pm-3:00 pm

2 stops30h 12m

Incheon Intl

Wed 10/21

4:50 pm-10:08 am

2 stops30h 18m

$1,061

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
$12 per person with Air Seoul
$16 per person with Jeju Air

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

$383

Best Round-Trip Price

$698

Fastest flight time

11h 25m
The best one-way flight price to South Korea from United States in the last 72 hours is $383 (San Francisco to Incheon Intl).
The best round-trip flight price to South Korea from United States in the last 72 hours is $698 (San Francisco to Incheon Intl).
The fastest flight to South Korea from United States takes 11h 25m (Seattle/Tacoma 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 $358 or as high as $27,584. Based on recent airfare data, we’ve found that a ticket to South Korea for $2,148 or less is a good deal, whereas $2,428 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
Mon 6/1
Mon 6/8

Find better results for your trip to South Korea