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$307+ Cheap flights from the United States to South Korea

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ICN
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheap flight deals from USA to South Korea

Keep the following information in mind while searching for USA to South Korea flight deals. Data was last updated November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$563
(oojo)

One-way from

$307
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,091

Good round-trip deal

$661 or less

Good one-way deal

$358 or less
Provider with most accurate pricing for New York (NYC)-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Seoul (SEL) flights.
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From USA to South Korea
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One-way flight from USA to South Korea
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Highest demand for flights based on searches. 2% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from USA to South Korea.
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Price to beat on a one-way flight from USA to South Korea.
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Find flight deals from USA to South Korea

Cheapest flights from USA to South Korea
Explore the most affordable flight options available from USA to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This oojo deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Thu 12/41:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/4$563
This Mytrip deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Tue 12/231:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/3$566
This Mytrip deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Tue 11/181:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/3$568
This Mytrip deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Thu 12/111:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/3$570
This oojo deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Tue 11/251:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/5$574
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Thu 11/271:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/3$580
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Tue 12/91:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/3$585
This FlightHub deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Thu 12/41:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/4$586
This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Sun 11/231:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/4$593
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Thu 11/271:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/5$595
This CheapOair deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Tue 12/91:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/5$597
This Priceline deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:45 pmLAX - ICN
1 stop20h 35mXiamenAir
Sun 12/71:20 pmICN - LAX
1 stop22h 40mXiamenAir
Deal found 11/3$598

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA to South Korea that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from the United States to South Korea that are best for you.

Fly from

USA

Fly to

South Korea

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 12/7

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Wed 12/17

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 11/18

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

Mon 12/22

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 11/19

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Thu 11/27

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 2/8

7:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Thu 2/19

8:35 pm-8:18 pm

1 stop16h 43m

$676

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 4/15

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Wed 4/22

8:35 pm-10:10 pm

1 stop17h 35m

$676

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 2/28

6:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Sat 3/14

8:35 pm-8:18 pm

1 stop15h 43m

$676

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 1/11

6:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Sun 1/25

8:35 pm-5:59 pm

1 stop14h 24m

$676

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 2/28

6:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Fri 3/6

8:35 pm-8:18 pm

1 stop16h 43m

$676

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 1/15

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

Mon 1/19

12:45 pm-6:30 am

Nonstop10h 45m

$726

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 11/15

6:00 am-4:20 pm

1 stop17h 20m

Incheon Intl

Tue 11/25

8:05 pm-10:25 pm

1 stop19h 20m

$862

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 60 results
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Best time to book a flight from USA to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from USA with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United States to South Korea

What is the cheapest month to book a flight from USA to South Korea?

Currently, February is the cheapest month in which you can book a flight from USA to South Korea (average of $103). Flying from USA to South Korea in June is currently the most expensive (average of $534). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from US to KR?

Find hourly flight availability from USA to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 5, 2025.

It’s typically best to fly out from USA to South Korea in the afternoon. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from USA to South Korea?

Use this chart to determine the cheapest time to fly round-trip from USA to South Korea. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their USA to South Korea flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from USA to South Korea

Explore weekly flight availability from USA to South Korea. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 5, 2025.

The most flights from US0 to KR0 are scheduled on a Monday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Korea. Reviews last updated November 5, 2025.
See what other customers who have flown with Korean Air, AIR PREMIA, and Delta from the United States to South Korea have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,160 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
AIR PREMIA
8.3
Very good
66 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
7.9
Good
8,004 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
9,003 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,410 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from USA to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this USA to South Korea flight route?

    Flights from United States to South Korea have been viewed 1,017 times in the past calendar month.

  • How long is the flight from USA to South Korea?

    Airlines like United Airlines, Alaska Airlines, and Delta fly from USA to South Korea in about 11h 55m. The time it takes to get you to your destination can typically vary by up to 6h 40m. Airlines will cover a distance of 5200 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from USA to South Korea one-way?

    One-way options have recently been found by users for as low as $363 on AIR PREMIA. Other airlines that offer cheap prices include ZIPAIR from $367 and Philippine Airlines from $368 one-way.

  • Can I find deals for flights from USA to South Korea that include hotel bookings?

    Yes. In addition to deals on USA to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to South Korea.

  • Can I find deals for business class flights from USA to South Korea?

    Yes. Cheapflights offers flight deals from USA to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from USA to South Korea?

    Currently, February is the cheapest month in which you can book a flight from USA to South Korea (average of $103). Flying from USA to South Korea in June is currently the most expensive (average of $534). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for USA to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from USA to South Korea

Discover the top 10 airlines that operate flights from USA to South Korea. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$129FlexibilityNo cancel feeOn-time62%
XiamenAirCheapest$353Average$638FlexibilityNo cancel feeOn-time49%
Hawaiian AirlinesCheapest$478Average$833FlexibilityNo cancel feeOn-time85%
China AirlinesCheapest$540Average$1,258FlexibilityNo cancel feeOn-time70%
WestJetCheapest$549Average$1,205FlexibilityNo cancel feeOn-time60%
Air ChinaCheapest$592Average$721FlexibilityNo cancel feeOn-time67%
China EasternCheapest$622Average$734FlexibilityNo cancel feeOn-time62%
Singapore AirlinesCheapest$651Average$848FlexibilityNo cancel feeOn-time81%
Alaska AirlinesCheapest$672Average$1,074FlexibilityNo cancel feeOn-time75%
Cathay PacificCheapest$677Average$962FlexibilityNo cancel feeOn-time72%

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