Flights to South Korea

$525 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 12/27. 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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Recent flights found to popular cities in South Korea

Find flights to these popular cities in South Korea from your nearest airport.
Alaska Airlines
Dec 27
SEA
11h 55m
ICN
Jan 25
ICN
10h 10m
SEA
Alaska Airlines
Apr 23
SEA
11h 55m
ICN
Apr 30
ICN
9h 55m
SEA
Multiple Airlines
Apr 27
SEA
11h 55m
ICN
Apr 30
ICN
32h 59m
2 stops
SEA
Alaska Airlines
Apr 27
SEA
11h 55m
ICN
Apr 30
ICN
9h 55m
SEA
China Southern
Mar 18
LAX
22h 50m
1 stop
ICN
Mar 29
ICN
18h 55m
1 stop
LAX
Multiple Airlines
Apr 22
SEA
11h 55m
ICN
May 3
ICN
32h 59m
2 stops
SEA
Multiple Airlines
Apr 22
SEA
11h 55m
ICN
May 9
ICN
32h 59m
2 stops
SEA
Multiple Airlines
Apr 22
SEA
11h 55m
ICN
Apr 25
ICN
32h 59m
2 stops
SEA
China Southern
Mar 18
LAX
22h 50m
1 stop
ICN
Mar 28
ICN
20h 40m
1 stop
LAX
Multiple Airlines
May 9
SEA
11h 55m
ICN
May 23
ICN
25h 46m
1 stop
SEA
China Southern
Apr 15
LAX
23h 35m
1 stop
ICN
Apr 27
ICN
20h 25m
1 stop
LAX
China Southern
Mar 22
LAX
22h 50m
1 stop
ICN
Apr 5
ICN
18h 55m
1 stop
LAX
China Eastern
Jan 17
LAX
32h 20m
1 stop
CJU
Jan 24
CJU
36h 15m
1 stop
LAX
Cathay Pacific
Mar 10
SFO
38h 45m
1 stop
CJU
Mar 14
CJU
25h 25m
1 stop
SFO
Multiple Airlines
Jan 17
SEA
29h 10m
2 stops
CJU
Jan 25
CJU
23h 25m
2 stops
SEA
China Eastern
Jan 25
SFO
40h 30m
2 stops
CJU
Jan 28
CJU
36h 10m
1 stop
SFO
Cathay Pacific
Jan 24
ORD
25h 05m
1 stop
CJU
Jan 28
CJU
20h 00m
1 stop
ORD
Cathay Pacific
May 11
SEA
26h 30m
1 stop
CJU
May 20
CJU
18h 15m
1 stop
SEA
Cathay Pacific
May 11
SEA
26h 30m
1 stop
CJU
May 19
CJU
18h 15m
1 stop
SEA
Multiple Airlines
Jan 17
SEA
17h 40m
1 stop
CJU
Jan 25
CJU
23h 05m
1 stop
SEA
Cathay Pacific
Jan 22
LAX
28h 55m
1 stop
CJU
Jan 26
CJU
17h 55m
1 stop
LAX
Cathay Pacific
May 11
SEA
26h 30m
1 stop
CJU
May 18
CJU
18h 15m
1 stop
SEA
Multiple Airlines
Jan 19
LAX
32h 20m
1 stop
CJU
Feb 2
CJU
28h 30m
2 stops
LAX
Multiple Airlines
Jan 17
LAX
19h 10m
1 stop
CJU
Jan 24
CJU
37h 45m
2 stops
LAX
China Eastern
Mar 19
LAX
31h 05m
1 stop
PUS
Apr 6
PUS
37h 30m
1 stop
LAX
China Eastern
Jan 11
LAX
31h 05m
1 stop
PUS
Jan 26
PUS
37h 30m
1 stop
LAX
China Eastern
Mar 21
LAX
31h 05m
1 stop
PUS
Apr 6
PUS
37h 30m
1 stop
LAX
China Eastern
Mar 21
LAX
31h 05m
1 stop
PUS
Apr 6
PUS
32h 15m
1 stop
LAX
China Eastern
Jan 7
LAX
31h 05m
1 stop
PUS
Jan 28
PUS
37h 30m
1 stop
LAX
Philippine Airlines
Apr 6
LAX
39h 25m
1 stop
PUS
May 17
PUS
39h 40m
1 stop
LAX
Multiple Airlines
Jan 11
LAX
34h 25m
1 stop
PUS
Jan 26
PUS
55h 30m
2 stops
LAX
China Eastern
Jan 11
LAX
31h 05m
1 stop
PUS
Jan 26
PUS
37h 30m
1 stop
LAX
China Eastern
Jan 7
LAX
31h 05m
1 stop
PUS
Jan 28
PUS
32h 15m
1 stop
LAX
China Eastern
Feb 15
LAX
36h 20m
1 stop
PUS
Mar 31
PUS
32h 15m
1 stop
LAX
China Eastern
Mar 21
LAX
31h 05m
1 stop
PUS
Apr 7
PUS
37h 30m
1 stop
LAX
China Eastern
Jan 16
LAX
31h 05m
1 stop
PUS
Jan 23
PUS
32h 15m
1 stop
LAX
Delta
Jan 17
SEA
15h 20m
1 stop
TAE
Jan 21
TAE
22h 40m
1 stop
SEA
Korean Air
Jan 17
SEA
15h 20m
1 stop
TAE
Jan 21
TAE
22h 40m
1 stop
SEA
Korean Air
Jan 17
SEA
37h 15m
2 stops
TAE
Jan 21
TAE
18h 20m
1 stop
SEA
Korean Air
Jan 17
SEA
37h 15m
2 stops
TAE
Jan 21
TAE
29h 56m
2 stops
SEA
Multiple Airlines
Jan 22
LAX
37h 20m
1 stop
TAE
Feb 5
TAE
22h 55m
2 stops
LAX
Delta
Dec 27
SEA
15h 15m
1 stop
TAE
Jan 15
TAE
22h 40m
1 stop
SEA
Delta
Dec 26
SEA
28h 30m
2 stops
TAE
Jan 17
TAE
22h 40m
1 stop
SEA
Korean Air
Dec 27
SEA
30h 55m
2 stops
TAE
Jan 17
TAE
22h 40m
1 stop
SEA
Korean Air
Jan 17
DFW
17h 20m
1 stop
TAE
Jan 21
TAE
15h 20m
1 stop
DFW
Delta
Jan 18
DFW
34h 28m
2 stops
TAE
Feb 28
TAE
31h 05m
2 stops
DFW
Delta
Jan 18
DFW
36h 20m
2 stops
TAE
Feb 28
TAE
15h 20m
1 stop
DFW
Korean Air
Dec 27
SEA
30h 55m
2 stops
TAE
Jan 16
TAE
18h 30m
2 stops
SEA

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.
Alaska Airlines Logo
1:40 pm - 6:35 pm
SEA
-
ICN
11h 55mnonstop
Alaska Airlines Logo
8:35 pm - 1:45 pm
ICN
-
SEA
10h 10mnonstop
$525Alaska Airlines
Sat, Dec 27 - Sun, Jan 25
Alaska Airlines Logo
2:40 pm - 6:35 pm
SEA
-
ICN
11h 55mnonstop
Alaska Airlines Logo
8:35 pm - 2:30 pm
ICN
-
SEA
9h 55mnonstop
$545Alaska Airlines
Thu, Apr 23 - Thu, Apr 30
AIR PREMIA Logo
2:30 pm - 8:30 pm
SFO
-
ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 12:30 pm
ICN
-
SFO
10h 35mnonstop
$646AIR PREMIA
Mon, Feb 16 - Mon, Mar 2
AIR PREMIA Logo
2:30 pm - 8:30 pm
SFO
-
ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 12:30 pm
ICN
-
SFO
10h 35mnonstop
$651AIR PREMIA
Sat, Jan 17 - Sat, Jan 24
American Airlines Logo
7:59 pm - 4:45 pm
LGA
-
ICN
30h 46m1 stop
American Airlines Logo
7:15 pm - 11:43 pm
ICN
-
LGA
18h 28m1 stop
$916American Airlines
Tue, Feb 3 - Tue, Mar 3
American Airlines Logo
7:59 pm - 4:45 pm
LGA
-
ICN
30h 46m1 stop
American Airlines Logo
7:15 pm - 7:53 am
ICN
-
LGA
26h 38m2 stops
$920American Airlines
Wed, Jan 7 - Thu, Jan 22
Air Canada Logo
7:50 pm - 5:10 pm
LGA
-
ICN
31h 20m2 stops
Air Canada Logo
6:55 pm - 11:58 am
ICN
-
LGA
31h 03m2 stops
$956Air Canada
Sat, Jan 10 - Mon, Jan 26
Air Canada Logo
10:10 am - 6:25 pm
LGA
-
ICN
18h 15m1 stop
Air Canada Logo
8:10 pm - 10:33 pm
ICN
-
LGA
16h 23m1 stop
$959Air Canada
Sun, Jan 18 - Sun, Jan 25
Turkish Airlines Logo
1:20 pm - 5:40 pm
IAD
-
ICN
39h 20m1 stop
Turkish Airlines Logo
11:20 pm - 11:35 am
ICN
-
IAD
25h 15m1 stop
$1,052Turkish Airlines
Tue, Mar 31 - Tue, Apr 28
Turkish Airlines Logo
1:20 pm - 5:40 pm
IAD
-
ICN
39h 20m1 stop
Turkish Airlines Logo
11:20 pm - 11:35 am
ICN
-
IAD
25h 15m1 stop
$1,059Turkish Airlines
Fri, Apr 24 - Sun, May 10

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 December 4, 2025.
Use the filters below to find and compare flights to South Korea that are best for you.

Fly from

Route

Depart

Return

Price

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 12/27

1:40 pm-6:35 pm

Nonstop11h 55m

Incheon Intl

Sun 1/25

8:35 pm-1:45 pm

Nonstop10h 10m

$525

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 4/23

2:40 pm-6:35 pm

Nonstop11h 55m

Incheon Intl

Thu 4/30

8:35 pm-2:30 pm

Nonstop9h 55m

$545

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 2/16

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 3/2

6:55 pm-12:30 pm

Nonstop10h 35m

$646

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 1/17

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Sat 1/24

6:55 pm-12:30 pm

Nonstop10h 35m

$651

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Tue 2/3

7:59 pm-4:45 pm

1 stop30h 46m

Incheon Intl

Tue 3/3

7:15 pm-11:43 pm

1 stop18h 28m

$916

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Wed 1/7

7:59 pm-4:45 pm

1 stop30h 46m

Incheon Intl

Thu 1/22

7:15 pm-7:53 am

2 stops26h 38m

$920

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Sat 1/10

7:50 pm-5:10 pm

2 stops31h 20m

Incheon Intl

Mon 1/26

6:55 pm-11:58 am

2 stops31h 03m

$956

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Sun 1/18

10:10 am-6:25 pm

1 stop18h 15m

Incheon Intl

Sun 1/25

8:10 pm-10:33 pm

1 stop16h 23m

$959

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 3/31

1:20 pm-5:40 pm

1 stop39h 20m

Incheon Intl

Tue 4/28

11:20 pm-11:35 am

1 stop25h 15m

$1,052

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 4/24

1:20 pm-5:40 pm

1 stop39h 20m

Incheon Intl

Sun 5/10

11:20 pm-11:35 am

1 stop25h 15m

$1,059

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
$18 per person with Air Busan
$19 per person with Jin 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
Cheapest flights according to searches in the past 7 days on momondo.
Seoul

Cheap South Korea flight deals and tips

Summary info about South Korea flight prices, duration and airlines

Best One-Way Price

$189

Best Round-Trip Price

$525

Fastest flight time

11h 55m

Popular in

August
The best one-way flight price to South Korea from United States in the last 72 hours is $189 (Seattle/Tacoma Intl to Incheon Intl).
The best round-trip flight price to South Korea from United States in the last 72 hours is $525 (Seattle/Tacoma Intl to Incheon Intl).
The fastest flight to South Korea from United States takes 11h 55m (Seattle/Tacoma Intl to Incheon Intl).
August has the highest demand for flights to South Korea, with a 10% price increase on average.

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 $277 or as high as $27,584. Based on recent airfare data, we’ve found that a ticket to South Korea for $2,151 or less is a good deal, whereas $2,383 is the average cost.

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

Monday is the best day of the week to fly to South Korea based on flight prices. Sunday 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
Sat 1/3
Sat 1/10

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