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$388+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ICN
Jun 7 — Jun 141
Sun 6/7
Sun 6/14
1 adult, Economy
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Cheap 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 May 8, 2026.

This CrystalTravel deal was found by Cheapflights users on 5/4. 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.
Mon 7/273:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Wed 8/266:00 pm
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 5/4$699
This CrystalTravel deal was found by Cheapflights users on 5/4. 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.
Sat 10/33:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Wed 10/76:00 pm
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 5/4$702
This CrystalTravel deal was found by Cheapflights users on 5/6. 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.
Sat 9/53:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Sun 9/136:00 pm
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 5/6$703
This WhyPayMore deal was found by Cheapflights users on 5/8. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Sun 9/276:00 pm
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 5/8$709
This Super.com deal was found by Cheapflights users on 5/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Sat 9/56:00 pm
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 5/5$724
This Super.com deal was found by Cheapflights users on 5/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Mon 10/196:00 pm
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 5/5$726
This Super.com deal was found by Cheapflights users on 5/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/23:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Fri 8/216:00 pm
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 5/7$727
This Super.com deal was found by Cheapflights users on 5/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Fri 5/156:00 pm
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 5/6$728
This FlightHub deal was found by Cheapflights users on 5/6. 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 10/1912:00 pm
SFO
-
ICN
1 stop31h 55m
China Eastern
Thu 10/298:55 am
ICN
-
SFO
1 stop17h 05m
China Eastern
Deal found 5/6$729
This FlightHub deal was found by Cheapflights users on 5/4. 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.
Fri 9/1812:30 pm
LAX
-
ICN
1 stop36h 55m
China Eastern
Sun 10/182:30 pm
ICN
-
LAX
1 stop35h 35m
China Eastern
Deal found 5/4$776
This FlightHub deal was found by Cheapflights users on 5/7. 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.
Wed 9/1612:30 pm
LAX
-
ICN
1 stop31h 25m
China Eastern
Sun 10/182:30 pm
ICN
-
LAX
1 stop35h 35m
China Eastern
Deal found 5/7$777
This FlightHub deal was found by Cheapflights users on 5/6. 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 8/3012:30 pm
LAX
-
ICN
2 stops30h 45m
China Eastern
Sun 9/133:55 pm
ICN
-
LAX
2 stops34h 10m
China Eastern
Deal found 5/6$780

Find 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 May 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$699
(CrystalTravel)

One-way from

$424
(KAYAK)

Popular in

December

Cheapest in

February

Average price

$1,349

Good round-trip deal

$781 or less

Good one-way deal

$419 or less
Provider with most accurate pricing for New York (NYC)-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Seoul (SEL) flights.
Search Deals
From USA to South Korea
Search Deals
One-way flight from USA to South Korea
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from USA to South Korea.
Search Deals
Price to beat on a one-way flight from USA to South Korea.
Search Deals

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 May 8, 2026.
Use the filters below to find and compare flights from the United States to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 11/1

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 11/9

6:55 pm-12:30 pm

Nonstop10h 35m

$762

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 11/2

11:55 pm-4:25 pm

1 stop23h 30m

Incheon Intl

Wed 11/18

6:00 pm-11:40 am

Nonstop10h 40m

$766

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 9/6

10:40 am-3:00 pm

Nonstop12h 20m

Incheon Intl

Wed 9/16

5:15 pm-9:14 am

1 stop31h 59m

$772

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 10/20

10:25 am-3:00 pm

Nonstop12h 35m

Incheon Intl

Tue 10/27

5:30 pm-11:51 pm

1 stop22h 21m

$772

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 10/18

11:55 pm-3:20 pm

1 stop23h 25m

Incheon Intl

Sat 11/7

6:30 pm-9:30 am

1 stop32h 00m

$777

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 11/3

9:15 pm-4:25 pm

1 stop26h 10m

Incheon Intl

Wed 11/11

6:30 pm-11:51 pm

1 stop22h 21m

$777
Quickest round-trip

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 7/30

2:05 pm-5:30 pm

Nonstop11h 25m

Incheon Intl

Thu 10/15

7:35 pm-1:40 pm

Nonstop10h 05m

$892

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 7/27

2:05 pm-5:30 pm

Nonstop11h 25m

Incheon Intl

Thu 10/15

7:35 pm-1:40 pm

Nonstop10h 05m

$892

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 7/28

7:20 am-5:20 pm

1 stop18h 00m

Incheon Intl

Wed 8/5

7:00 pm-1:37 pm

Nonstop10h 37m

$1,039

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Fri 7/31

1:05 pm-4:50 pm

Nonstop11h 45m

Incheon Intl

Fri 8/21

9:00 pm-9:59 pm

1 stop16h 59m

$1,042

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from USA to South Korea?

Booking 57 days in advance of your planned departure date is, on average, the best time to get cheap flights from USA to South Korea. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $939). Flying from USA to South Korea in December is currently the most expensive (average of $1,464). 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 May 8, 2026.

It’s typically best to fly out from USA to South Korea in the afternoon. Doing so could potentially save you 55% on the flight price compared to flying at noon, 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 May 2, 2026.

Travelers seeking maximum savings on their USA to South Korea flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday mornings 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 May 8, 2026.

The most flights from US0 to KR0 are scheduled on a Wednesday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).

How often are flights from the United States to South Korea delayed?

About 23% of weekly flights between United States and South Korea have experienced delays in the past year, with the average delay time being 173 minutes.

What is the most punctual flight time for the United States to South Korea flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United States to South Korea flights?

Over the last year, AIR PREMIA have had the lowest number of delays on this route, with just 13% of flights being delayed.

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 May 8, 2026.
See what other customers who have flown with Korean Air,AIR PREMIA, andAsiana Airlines 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
1,217 reviews

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
1,217 reviews
Korean Air
8.4
Very good
1,217 reviews

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
8.1
Very good
90 reviews
Korean Air
8.4
Very good
1,217 reviews

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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.
Asiana Airlines
8.1
Very good
530 reviews
Korean Air
8.4
Very good
1,217 reviews

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
8,456 reviews
Korean Air
8.4
Very good
1,217 reviews

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
9,694 reviews
Korean Air
8.4
Very good
1,217 reviews

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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 long is the flight from USA to South Korea?

    Airlines like AIR PREMIA, Alaska Airlines, and Korean Air fly from USA to South Korea in about 11h 25m. The time it takes to get you to your destination can typically vary by up to 6h 35m. 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 $55 on Philippine Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from $151 and Alaska Airlines from $168 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 $939). Flying from USA to South Korea in December is currently the most expensive (average of $1,464). 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 May 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$144Average$612FlexibilityNo cancel feeOn-time60%
WestJetCheapest$152Average$1,069FlexibilityNo cancel feeOn-time60%
DeltaCheapest$276Average$1,633FlexibilityNo cancel feeOn-timeN/A
XiamenAirCheapest$346Average$697FlexibilityNo cancel feeOn-time49%
Air CanadaCheapest$365Average$1,108FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$449Average$1,062FlexibilityNo cancel feeOn-time77%
China SouthernCheapest$578Average$622FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$592Average$686FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$630Average$1,175FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$640Average$887FlexibilityNo cancel feeOn-time72%

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