Flights to Seoul

$328 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 10/23. 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

Turkish Airlines Logo
6:45 pm - 6:20 pmLAX-ICN
30h 35m1 stop
Turkish Airlines Logo
12:10 am - 11:10 amICN-LAX
28h 00m1 stop
$399Turkish Airlines
Find Deal
Thu, Dec 18 - Thu, Jan 8
AIR PREMIA Logo
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 12:00 pmICN-SFO
10h 05mnonstop
$615AIR PREMIA
Find Deal
Sun, Aug 31 - Sun, Nov 2
United Airlines Logo
11:45 pm - 4:20 amSFO-ICN
12h 35mnonstop
United Airlines Logo
4:50 pm - 11:35 amICN-SFO
10h 45mnonstop
$659United Airlines
Find Deal
Fri, Sep 5 - Fri, Sep 26
United Airlines Logo
11:45 pm - 4:40 amSFO-ICN
12h 55mnonstop
United Airlines Logo
12:45 pm - 6:30 amICN-SFO
10h 45mnonstop
$661United Airlines
Find Deal
Sun, Oct 26 - Tue, Nov 11
Air Canada Logo
6:00 am - 4:05 pmLAX-ICN
18h 05m1 stop
Air Canada Logo
5:45 pm - 9:28 pmICN-LAX
19h 43m1 stop
$688Air Canada
Find Deal
Thu, Sep 25 - Tue, Oct 14
Air Canada Logo
7:05 pm - 4:15 pmLGA-ICN
32h 10m1 stop
Air Canada Logo
6:00 pm - 8:02 amICN-LGA
27h 02m1 stop
$742Air Canada
Find Deal
Mon, Sep 22 - Wed, Oct 8
Asiana Airlines Logo
2:15 pm - 5:55 pmSEA-ICN
11h 40mnonstop
Asiana Airlines Logo
9:00 pm - 1:55 pmICN-SEA
9h 55mnonstop
$802Asiana Airlines
Find Deal
Sat, Sep 6 - Sat, Nov 22
Korean Air Logo
12:35 pm - 4:30 pmSEA-ICN
11h 55mnonstop
Korean Air Logo
4:40 pm - 10:40 amICN-SEA
10h 00mnonstop
$805Korean Air
Find Deal
Sat, Sep 13 - Sun, Sep 28
Korean Air Logo
12:35 pm - 4:30 pmSEA-ICN
11h 55mnonstop
Korean Air Logo
4:40 pm - 10:40 amICN-SEA
10h 00mnonstop
$815Korean Air
Find Deal
Sat, Sep 13 - Sun, Sep 28
Asiana Airlines Logo
2:15 pm - 5:55 pmSEA-ICN
11h 40mnonstop
Asiana Airlines Logo
9:00 pm - 2:55 pmICN-SEA
9h 55mnonstop
$822Asiana Airlines
Find Deal
Sun, Sep 21 - Sat, Nov 1

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 14, 2025.
Use the filters below to find and compare flights to Seoul that are best for you.

Fly from

Route

Depart

Return

Price

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Thu 12/18

6:45 pm-6:20 pm

1 stop30h 35m

Incheon Intl

Thu 1/8

12:10 am-11:10 am

1 stop28h 00m

$399

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 8/31

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Sun 11/2

6:55 pm-12:00 pm

Nonstop10h 05m

$615

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 9/5

11:45 pm-4:20 am

Nonstop12h 35m

Incheon Intl

Fri 9/26

4:50 pm-11:35 am

Nonstop10h 45m

$659

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 10/26

11:45 pm-4:40 am

Nonstop12h 55m

Incheon Intl

Tue 11/11

12:45 pm-6:30 am

Nonstop10h 45m

$661

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Thu 9/25

6:00 am-4:05 pm

1 stop18h 05m

Incheon Intl

Tue 10/14

5:45 pm-9:28 pm

1 stop19h 43m

$688

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Mon 9/22

7:05 pm-4:15 pm

1 stop32h 10m

Incheon Intl

Wed 10/8

6:00 pm-8:02 am

1 stop27h 02m

$742

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 9/6

2:15 pm-5:55 pm

Nonstop11h 40m

Incheon Intl

Sat 11/22

9:00 pm-1:55 pm

Nonstop9h 55m

$802

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 9/13

12:35 pm-4:30 pm

Nonstop11h 55m

Incheon Intl

Sun 9/28

4:40 pm-10:40 am

Nonstop10h 00m

$805

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 9/13

12:35 pm-4:30 pm

Nonstop11h 55m

Incheon Intl

Sun 9/28

4:40 pm-10:40 am

Nonstop10h 00m

$815

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sun 9/21

2:15 pm-5:55 pm

Nonstop11h 40m

Incheon Intl

Sat 11/1

9:00 pm-2:55 pm

Nonstop9h 55m

$822

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 $1,102.

What is the absolute cheapest flight to Seoul?

In the past two weeks, users have booked deals to Seoul for $39/person, which is 82% 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 $1,172. 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 $1,336.

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 $1,154 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 $1,283 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 $1,533 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 $1,348 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 ANGELESNovember16% cheaperFlying from Los Angeles to Seoul costs on average just $844 in November
MOST EXPENSIVE MONTH TO FLY TO SEOUL FROM LOS ANGELESDecember31% more expensiveIt costs about $1,321 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

$328

Best Round-Trip Price

$399

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 $328 (Seattle/Tacoma Intl to Incheon Intl).
The best round-trip flight price to Seoul from United States in the last 72 hours is $399 (Los Angeles 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 $1,272. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $850.

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 $210 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 Incheon Intl airport which is 33.0 mi away.

What’s the closest airport to Myeongdong Shopping Street?

Incheon Intl in Seoul is the closest airport to Myeongdong Shopping Street (distance: 30.4 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
Tue 8/19
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