Flights to Seoul

$338 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 11/30. 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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Find the cheapest flights from the United States to Seoul

Cheap round-trip flights

AIR PREMIA Logo
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
$605AIR PREMIA
Find Deal
fr., aug. 22 - ma., sep. 15
AIR PREMIA Logo
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
$615AIR PREMIA
Find Deal
ma., aug. 25 - fr., aug. 29
United Airlines Logo
11:45 pm - 4:40 amSFO-ICN
12h 55mnonstop
United Airlines Logo
11:45 am - 6:30 amICN-SFO
10h 45mnonstop
$659United Airlines
Find Deal
lø., okt. 25 - lø., nov. 1
United Airlines Logo
11:55 pm - 4:20 amSFO-ICN
12h 25mnonstop
United Airlines Logo
4:50 pm - 11:35 amICN-SFO
10h 45mnonstop
$665United Airlines
Find Deal
lø., aug. 23 - fr., okt. 10
Air Canada Logo
9:00 am - 4:15 pmJFK-ICN
18h 15m1 stop
Air Canada Logo
6:00 pm - 9:45 pmICN-JFK
16h 45m1 stop
$753Air Canada
Find Deal
ti., sep. 2 - fr., sep. 12
Air Canada Logo
7:05 am - 4:15 pmLGA-ICN
20h 10m1 stop
Air Canada Logo
6:00 pm - 9:30 pmICN-LGA
16h 30m1 stop
$753Air Canada
Find Deal
ti., sep. 2 - fr., okt. 10
Korean Air Logo
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
Korean Air Logo
8:05 pm - 1:20 pmICN-SEA
10h 15mnonstop
$803Korean Air
Find Deal
ma., nov. 10 - sø., nov. 16
Korean Air Logo
12:35 pm - 4:30 pmSEA-ICN
11h 55mnonstop
Korean Air Logo
4:40 pm - 10:40 amICN-SEA
10h 00mnonstop
$804Korean Air
Find Deal
lø., sep. 13 - sø., sep. 28
Asiana Airlines Logo
2:15 pm - 5:55 pmSEA-ICN
11h 40mnonstop
Asiana Airlines Logo
9:00 pm - 1:55 pmICN-SEA
9h 55mnonstop
$812Asiana Airlines
Find Deal
lø., okt. 25 - sø., nov. 16
Asiana Airlines Logo
2:15 pm - 5:55 pmSEA-ICN
11h 40mnonstop
Asiana Airlines Logo
6:20 pm - 12:30 pmICN-SEA
10h 10mnonstop
$819Asiana Airlines
Find Deal
lø., okt. 4 - lø., okt. 11

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 august 5, 2025.
Use the filters below to find and compare flights to Seoul that are best for you.

Fly from

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

fr. 8/22

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

ma. 9/15

6:20 pm-1:00 pm

Nonstop10h 40m

$605

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

ma. 8/25

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

fr. 8/29

6:20 pm-1:00 pm

Nonstop10h 40m

$615

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lø. 10/25

11:45 pm-4:40 am

Nonstop12h 55m

Incheon Intl

lø. 11/1

11:45 am-6:30 am

Nonstop10h 45m

$659

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lø. 8/23

11:55 pm-4:20 am

Nonstop12h 25m

Incheon Intl

fr. 10/10

4:50 pm-11:35 am

Nonstop10h 45m

$665

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

ti. 9/2

9:00 am-4:15 pm

1 stop18h 15m

Incheon Intl

fr. 9/12

6:00 pm-9:45 pm

1 stop16h 45m

$753

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

ti. 9/2

7:05 am-4:15 pm

1 stop20h 10m

Incheon Intl

fr. 10/10

6:00 pm-9:30 pm

1 stop16h 30m

$753

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

ma. 11/10

11:00 am-3:55 pm

Nonstop11h 55m

Incheon Intl

sø. 11/16

8:05 pm-1:20 pm

Nonstop10h 15m

$803

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

lø. 9/13

12:35 pm-4:30 pm

Nonstop11h 55m

Incheon Intl

sø. 9/28

4:40 pm-10:40 am

Nonstop10h 00m

$804

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

lø. 10/25

2:15 pm-5:55 pm

Nonstop11h 40m

Incheon Intl

sø. 11/16

9:00 pm-1:55 pm

Nonstop9h 55m

$812

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

lø. 10/4

2:15 pm-5:55 pm

Nonstop11h 40m

Incheon Intl

lø. 10/11

6:20 pm-12:30 pm

Nonstop10h 10m

$819

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 $1,104.

What is the absolute cheapest flight to Seoul?

In the past two weeks, users have booked deals to Seoul for $40/person, which is 79% 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, Wednesday is the cheapest day to fly to Seoul from United States. The lowest ticket price found for a Wednesday departure recently was $1,174. 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 Saturday, with ticket prices averaging around $1,335.

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 $1,159 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 $1,288 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 $1,525 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 $1,342 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 ANGELESFebruary16% cheaperFlying from Los Angeles to Seoul costs on average just $857 in February
MOST EXPENSIVE MONTH TO FLY TO SEOUL FROM LOS ANGELESDecember31% more expensiveIt costs about $1,339 for flights to Seoul from Los Angeles in December
MOST POPULAR MONTH TO FLY TO SEOUL FROM LOS ANGELESJune271% 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

$338

Best Round-Trip Price

$605

Fastest flight time

13h 00m

Popular in

June
The best one-way flight price to Seoul from United States in the last 72 hours is $338 (San Francisco to Incheon Intl).
The best round-trip flight price to Seoul from United States in the last 72 hours is $605 (San Francisco to Incheon Intl).
The fastest flight to Seoul from United States takes 13h 00m (San Francisco to Incheon Intl).
June has the highest demand for flights to Seoul, with a 8% 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. Korea House 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 81 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 $1,281. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $874.

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 $190 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 Gangnam-gu?

Yes, flights to Gangnam-gu are served by Seoul’s Seoul Gimpo Intl airport which is 14.2 mi away.

What’s the closest airport to Myeongdong Shopping Street?

Seoul Gimpo Intl in Seoul is the closest airport to Myeongdong Shopping Street (distance: 10.1 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.


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1 adult
sø. 8/10
sø. 8/17

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