Flights to Seoul

$351 Cheap flights to Seoul

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Seoul departing on 6/8. 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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Find the cheapest flights from the United States to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:15 pm - 4:25 pm
SFO
-
ICN
26h 10m
1 stop
United Airlines Logo
6:30 pm - 11:51 pm
ICN
-
SFO
22h 21m
1 stop
$769United Airlines
Mon, Nov 16 - Thu, Dec 10
China Eastern Logo
12:00 pm - 11:55 am
SFO
-
ICN
31h 55m
1 stop
China Eastern Logo
2:30 pm - 10:00 am
ICN
-
SFO
35h 30m
1 stop
$770China Eastern
Thu, Oct 22 - Sun, Nov 1
Asiana Airlines Logo
11:55 pm - 4:20 am
SFO
-
ICN
12h 25mnonstop
Asiana Airlines Logo
11:30 am - 6:30 am
ICN
-
SFO
11h 00mnonstop
$771Asiana Airlines
Thu, Aug 27 - Sat, Sep 5
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
Asiana Airlines Logo
11:55 pm - 4:20 am
SFO
-
ICN
12h 25mnonstop
Asiana Airlines Logo
4:50 pm - 12:00 pm
ICN
-
SFO
11h 10mnonstop
$774Asiana Airlines
Thu, Aug 6 - Thu, Aug 27
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
Mon, Oct 12 - Mon, Oct 19
AIR PREMIA Logo
10:50 am - 3:50 pm
LAX
-
ICN
13h 00mnonstop
AIR PREMIA Logo
1:00 pm - 8:20 am
ICN
-
LAX
11h 20mnonstop
$812AIR PREMIA
Mon, Aug 3 - Thu, Sep 3
American Airlines Logo
6:30 am - 3:45 pm
JFK
-
ICN
20h 15m
1 stop
American Airlines Logo
5:50 pm - 2:33 pm
ICN
-
JFK
33h 43m
1 stop
$1,198American Airlines
Sun, Jul 26 - Tue, Aug 25
Alaska Airlines Logo
8:29 pm - 5:35 pm
JFK
-
ICN
31h 06m
2 stops
Alaska Airlines Logo
8:00 pm - 7:32 pm
ICN
-
JFK
37h 32m
1 stop
$1,200Alaska Airlines
Sat, Nov 7 - Sat, Nov 21
American Airlines Logo
6:30 am - 3:45 pm
JFK
-
ICN
20h 15m
1 stop
American Airlines Logo
5:50 pm - 7:26 am
ICN
-
JFK
26h 36m
2 stops
$1,202American Airlines
Sat, Aug 1 - Mon, Aug 31

momondo Fare Finder

 
Locate flights to Seoul 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 4, 2026.
Use the filters below to find and compare flights to Seoul that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 11/16

9:15 pm-4:25 pm

1 stop26h 10m

Incheon Intl

Thu 12/10

6:30 pm-11:51 pm

1 stop22h 21m

$769

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 10/22

12:00 pm-11:55 am

1 stop31h 55m

Incheon Intl

Sun 11/1

2:30 pm-10:00 am

1 stop35h 30m

$770
Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 8/27

11:55 pm-4:20 am

Nonstop12h 25m

Incheon Intl

Sat 9/5

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

Thu 8/6

11:55 pm-4:20 am

Nonstop12h 25m

Incheon Intl

Thu 8/27

4:50 pm-12:00 pm

Nonstop11h 10m

$774

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 10/12

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Mon 10/19

7:15 pm-2:15 pm

Nonstop11h 00m

$775

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Mon 8/3

10:50 am-3:50 pm

Nonstop13h 00m

Incheon Intl

Thu 9/3

1:00 pm-8:20 am

Nonstop11h 20m

$812

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Sun 7/26

6:30 am-3:45 pm

1 stop20h 15m

Incheon Intl

Tue 8/25

5:50 pm-2:33 pm

1 stop33h 43m

$1,198

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Sat 11/7

8:29 pm-5:35 pm

2 stops31h 06m

Incheon Intl

Sat 11/21

8:00 pm-7:32 pm

1 stop37h 32m

$1,200

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Sat 8/1

6:30 am-3:45 pm

1 stop20h 15m

Incheon Intl

Mon 8/31

5:50 pm-7:26 am

2 stops26h 36m

$1,202

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

Seoul flights insights and trends

Explore insights for your Seoul flight to craft the best travel plan

What is the cheapest month to fly to Seoul?

The month of January is another great option to travel to Seoul, with average flight prices from United States averaging around $978.

What is the absolute cheapest flight to Seoul?

In the past two weeks, users have booked deals to Seoul for $35/person, which is 84% cheaper than the average flight to Seoul. To find the cheapest price to Seoul from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

What is the cheapest day to depart on your flight to Seoul?

According to our data, Sunday is the cheapest day to fly to Seoul from United States. The lowest ticket price found for a Sunday departure recently was $1,028. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,183.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from United States in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,044 when looking at flights departing in the morning. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,102 per ticket.

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,530 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from United States for as low as $1,340 on momondo.

Cheapest flights to Seoul

Find the cheapest flights to Seoul from your nearest city or airport
CHEAPEST MONTH TO FLY TO SEOUL FROM LOS ANGELESSeptember11% cheaperFlying from Los Angeles to Seoul costs on average just $900 in September
MOST EXPENSIVE MONTH TO FLY TO SEOUL FROM LOS ANGELESDecember27% more expensiveIt costs about $1,284 for flights to Seoul from Los Angeles in December
MOST POPULAR MONTH TO FLY TO SEOUL FROM LOS ANGELESJune440% more users visitedMore momondo users searched in flights to Seoul from Los Angeles in June than any other month

Cheap Seoul flight deals and tips

Summary info about Seoul flight prices, duration and airlines

Best One-Way Price

$351

Best Round-Trip Price

$769

Fastest flight time

11h 50m

Popular in

December
The best one-way flight price to Seoul from United States in the last 5 days is $351 (Seattle/Tacoma Intl to Incheon Intl).
The best round-trip flight price to Seoul from United States in the last 5 days is $769 (San Francisco to Incheon Intl).
The fastest flight to Seoul from United States takes 11h 50m (Seattle/Tacoma Intl to Incheon Intl).
December has the highest demand for flights to Seoul, with a 0% price increase on average.

Frequently asked questions about flying to Seoul

What is there to do in Seoul when it’s raining?

If you are planning a flight to Seoul and are looking to avoid the rain, you should avoid traveling during the months of May, June, and July. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Seoul, there are still things to do and ways to enjoy your trip. Sogang University Museum is a great museum to visit near Seoul and is especially great when the weather outside is less than desirable. For those looking to get out of the rain and do a little shopping, check out Myeongdong Shopping Street.

How far in advance should I book a flight to Seoul?

Most flyers found that booking tickets 19 days in advance of their planned departure date is the best time to get cheap flights to Seoul. During this timeframe, flight prices are around $1,222. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $508.

Is there an alternative airport near Seoul?

Seoul Gimpo Intl Airport can be an alternative airport used for travel to Seoul.

Is there a cheaper alternative to flying into Seoul?

Seoul Gimpo Intl Airport has an average price of $213 per person and is typically the cheapest airport to fly into when visiting Seoul. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

Are there flights to Myeong-dong?

Yes, flights to Myeong-dong are served by Seoul’s Incheon Intl airport which is 30.3 mi away.

What’s the closest airport to Hongdae Area?

Incheon Intl in Seoul is the closest airport to Hongdae Area (distance: 27.0 mi).

When did momondo last update prices for flights to Seoul?

Prices for flights to Seoul refresh daily.

How many operators does momondo search for flights to Seoul?

How old do you have to be to fly to Seoul?

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 Seoul.

What documentation or ID do you need to fly to Seoul?

The necessary travel and health documents for your Seoul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Seoul?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

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

Yes. momondo allows you to filter the results for flights to Seoul to just show those with flexible booking policies.

How can momondo help me find flights to Seoul?

Once you have performed a search for flights to Seoul, momondo helps you find the right flight 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 to Seoul right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul and alert you when they change.

An easier way to manage your Seoul trip

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1 adult
Sat 7/4
Sat 7/11

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