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$356+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ICN
Jun 10 — Jun 171
Tue 6/10
Tue 6/17
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 June 5, 2025.

Round-trip from

$615
(FlightHub)

One-way from

$356
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,635

Good round-trip deal

$444 or less

Good one-way deal

$420 or less
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. 14% potential increase in price ($230 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 5, 2025.

This FlightHub deal was found by Cheapflights users on 6/4. 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.
Thu 9/46:00 amLAX - ICN
1 stop18h 05mAir Canada
Tue 9/165:45 pmICN - LAX
1 stop16h 13mAir Canada
Deal found 6/4$615
This United Airlines deal was found by Cheapflights users on 6/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:40 amSFO - ICN
Nonstop12h 20mUnited Airlines
Mon 9/84:50 pmICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 6/4$661
This Air Canada deal was found by Cheapflights users on 6/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/231:05 pmSFO - ICN
2 stops35h 00mMultiple Airlines
Wed 10/159:45 amICN - SFO
2 stops27h 58mMultiple Airlines
Deal found 6/4$669
This FlightHub deal was found by Cheapflights users on 6/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:00 pmSFO - ICN
2 stops33h 15mChina Eastern
Wed 12/34:40 pmICN - SFO
2 stops33h 20mChina Eastern
Deal found 6/3$678
This Ovago deal was found by Cheapflights users on 6/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/143:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Sun 10/196:20 pmICN - SFO
Nonstop10h 40mAIR PREMIA
Deal found 6/5$690
This Trip.com deal was found by Cheapflights users on 6/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:20 pmSFO - ICN
1 stop26h 05mZIPAIR
Sat 9/2012:55 pmICN - SFO
1 stop18h 25mZIPAIR
Deal found 6/4$732
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 6/1512:30 amEWR - ICN
1 stop28h 10mMultiple Airlines
Wed 6/1812:45 pmICN - EWR
1 stop23h 10mMultiple Airlines
Deal found 6/3$734
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 8/2011:30 amLAX - ICN
2 stops39h 15mMultiple Airlines
Wed 8/2712:55 pmICN - LAX
1 stop35h 55mMultiple Airlines
Deal found 6/3$751
This CrystalTravel deal was found by Cheapflights users on 6/2. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:30 pmLAX - ICN
2 stops30h 30mChina Eastern
Wed 10/158:15 pmICN - LAX
2 stops29h 50mChina Eastern
Deal found 6/2$761
This CrystalTravel deal was found by Cheapflights users on 6/4. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/261:20 pmLAX - ICN
1 stop16h 25mAir China
Fri 11/75:50 pmICN - LAX
1 stop18h 10mAir China
Deal found 6/4$764
This Gotogate deal was found by Cheapflights users on 6/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/310:15 pmLAX - ICN
1 stop30h 00mCathay Pacific
Tue 12/210:05 amICN - LAX
1 stop20h 15mCathay Pacific
Deal found 6/3$765
This FlightHub deal was found by Cheapflights users on 6/4. 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.
Mon 9/112:30 pmLAX - GMP
1 stop39h 20mChina Eastern
Tue 9/98:50 pmGMP - LAX
1 stop29h 15mChina Eastern
Deal found 6/4$766

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 June 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

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Thu 9/4

6:00 am-4:05 pm

1 stop18h 05m

Incheon Intl

Tue 9/16

5:45 pm-5:58 pm

1 stop16h 13m

$615

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 8/28

10:40 am-3:00 pm

Nonstop12h 20m

Incheon Intl

Mon 9/8

4:50 pm-11:35 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 9/23

1:05 pm-4:05 pm

2 stops35h 00m

Incheon Intl

Wed 10/15

9:45 am-9:43 pm

2 stops27h 58m

$669

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 9/8

12:00 pm-1:15 pm

2 stops33h 15m

Incheon Intl

Wed 12/3

4:40 pm-9:00 am

2 stops33h 20m

$678

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 9/14

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Sun 10/19

6:20 pm-1:00 pm

Nonstop10h 40m

$690

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 9/6

5:20 pm-11:25 am

1 stop26h 05m

Incheon Intl

Sat 9/20

12:55 pm-3:20 pm

1 stop18h 25m

$732

NewarkIncheon

EWR - ICN

EWRICN

Newark

Sun 6/15

12:30 am-5:40 pm

1 stop28h 10m

Incheon Intl

Wed 6/18

12:45 pm-10:55 pm

1 stop23h 10m

$734

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Wed 9/17

12:30 pm-11:00 am

2 stops30h 30m

Incheon Intl

Wed 10/15

8:15 pm-10:05 am

2 stops29h 50m

$761

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Sun 10/26

1:20 pm-9:45 pm

1 stop16h 25m

Incheon Intl

Fri 11/7

5:50 pm-7:00 pm

1 stop18h 10m

$764

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Mon 11/3

10:15 pm-9:15 pm

1 stop30h 00m

Incheon Intl

Tue 12/2

10:05 am-1:20 pm

1 stop20h 15m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

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 $1,000). Flying from USA to South Korea in December is currently the most expensive (average of $1,635). 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 June 5, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to South Korea as you normally would.

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 June 5, 2025.

The most flights from US0 to KR0 are scheduled on a Wednesday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 June 5, 2025.
To help decide which airline to fly from USA to South Korea, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,200 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,200 reviews
EVA Air
8.4
Very good
1,200 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,085 reviews
EVA Air
8.4
Very good
1,200 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,486 reviews
EVA Air
8.4
Very good
1,200 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
735 reviews
EVA Air
8.4
Very good
1,200 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
875 reviews
EVA Air
8.4
Very good
1,200 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • 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 $361 on AIR PREMIA. Other airlines that offer cheap prices include WestJet from $380 and ZIPAIR from $400 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 $1,000). Flying from USA to South Korea in December is currently the most expensive (average of $1,635). 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$129FlexibilityNo cancel feeOn-time62%
DeltaCheapest$318Average$1,665FlexibilityNo cancel feeOn-timeN/A
XiamenAirCheapest$362Average$662FlexibilityNo cancel feeOn-time49%
Hawaiian AirlinesCheapest$403Average$1,041FlexibilityNo cancel feeOn-time85%
Turkish AirlinesCheapest$439Average$1,043FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$470Average$1,269FlexibilityNo cancel feeOn-time71%
WestJetCheapest$549Average$1,222FlexibilityNo cancel feeOn-time60%
China AirlinesCheapest$579Average$1,244FlexibilityNo cancel feeOn-time70%
Air ChinaCheapest$633Average$749FlexibilityNo cancel feeOn-time67%
China EasternCheapest$640Average$760FlexibilityNo cancel feeOn-time62%

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