$355+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ICN
May 4 — May 111
1 adult, Economy
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Find cheap flights from USA to South Korea with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 April 29, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $661 (United Airlines) |
One-way from | $355 (FlightHub) |
Popular in | June |
Cheapest in | January |
Average price | $1,206 |
Good round-trip deal | $722 or less |
Good one-way deal | $379 or less |
Find flight deals from USA to South Korea
Cheapest flights from USA to South KoreaExplore 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 April 29, 2025.
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 April 29, 2025.
This eDestinos deal was found by Cheapflights users on 4/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:25 amLAX - ICN
1 stop20h 15mCathay Pacific
Mon 11/171:50 pmICN - LAX
1 stop24h 05mCathay Pacific
Deal found 4/28![Cathay Pacific logo]()
$658
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 9/1211:45 pmSFO - ICN
Nonstop12h 35mUnited Airlines
Wed 11/1212:45 pmICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 4/28![United Airlines logo]()
$661
This SmartFares deal was found by Cheapflights users on 4/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:00 amSFO - ICN
1 stop18h 35mHawaiian Airlines
Thu 10/238:35 pmICN - SFO
1 stop14h 43mHawaiian Airlines
Deal found 4/27![Hawaiian Airlines logo]()
$664
This Trip.com deal was found by Cheapflights users on 4/27. 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.
Mon 5/2612:00 pmSFO - ICN
1 stop37h 25mChina Eastern
Fri 5/306:25 pmICN - SFO
1 stop30h 40mChina Eastern
Deal found 4/27![China Eastern logo]()
$669
This Priceline deal was found by Cheapflights users on 4/28. 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.
Wed 9/33:30 pmSFO - ICN
Nonstop13h 00mMultiple Airlines
Wed 9/105:45 pmICN - SFO
2 stops34h 38mMultiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$680
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:40 pmSFO - ICN
1 stop28h 55mAlaska Airlines
Mon 11/38:35 pmICN - SFO
1 stop20h 08mAlaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$681
This Jetabroad deal was found by Cheapflights users on 4/28. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:45 pmSFO - ICN
Nonstop12h 35mAsiana Airlines
Thu 10/164:50 pmICN - SFO
Nonstop10h 45mAsiana Airlines
Deal found 4/28![Asiana Airlines logo]()
$686
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/18:45 pmLAX - ICN
1 stop27h 20mAir Canada
Tue 9/95:45 pmICN - LAX
1 stop19h 43mAir Canada
Deal found 4/28![Air Canada logo]()
$693
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Fri 7/43:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Mon 8/256:20 pmICN - SFO
Nonstop10h 40mAIR PREMIA
Deal found 4/27![AIR PREMIA logo]()
$700
This Gotogate deal was found by Cheapflights users on 4/28. 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.
Wed 4/3012:30 amLAX - ICN
1 stop28h 40mMultiple Airlines
Thu 6/51:30 pmICN - LAX
1 stop22h 30mMultiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$735
This Gotogate deal was found by Cheapflights users on 4/27. 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.
Thu 8/281:40 pmSFO - ICN
1 stop31h 00mCathay Pacific
Thu 9/1110:10 amICN - SFO
1 stop23h 40mCathay Pacific
Deal found 4/27![Cathay Pacific logo]()
$739
This CrystalTravel deal was found by Cheapflights users on 4/28. 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 5/410:50 amLAX - ICN
Nonstop12h 55mAIR PREMIA
Sat 5/1012:45 pmICN - LAX
Nonstop11h 35mAIR PREMIA
Deal found 4/28![AIR PREMIA logo]()
$776
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 April 29, 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
Tue 8/19
12:25 am-12:40 pm
1 stop20h 15m
Incheon Intl
Thu 8/28
10:10 am-5:05 pm
1 stop22h 55m
$658
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Thu 10/16
11:45 pm-4:20 am
Nonstop12h 35m
Incheon Intl
Fri 11/21
6:00 pm-11:35 am
Nonstop10h 35m
$661
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Wed 10/1
8:00 am-6:35 pm
1 stop18h 35m
Incheon Intl
Thu 10/23
8:35 pm-7:18 pm
1 stop14h 43m
$664
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Mon 5/26
12:00 pm-5:25 pm
1 stop37h 25m
Incheon Intl
Fri 5/30
6:25 pm-9:05 am
1 stop30h 40m
$669
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Wed 9/3
3:30 pm-8:30 pm
Nonstop13h 00m
Incheon Intl
Wed 9/10
5:45 pm-12:23 pm
2 stops34h 38m
$680
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Tue 10/14
9:40 pm-6:35 pm
1 stop28h 55m
Incheon Intl
Mon 11/3
8:35 pm-11:43 pm
1 stop20h 08m
$681
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Thu 10/2
11:45 pm-4:20 am
Nonstop12h 35m
Incheon Intl
Thu 10/16
4:50 pm-11:35 am
Nonstop10h 45m
$686
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Sun 7/6
3:30 pm-8:30 pm
Nonstop13h 00m
Incheon Intl
Fri 8/29
6:20 pm-1:00 pm
Nonstop10h 40m
$689
Los AngelesIncheon
LAX - ICN
LAXICN
Los Angeles
Mon 9/1
8:45 pm-4:05 pm
1 stop27h 20m
Incheon Intl
Tue 9/9
5:45 pm-9:28 pm
1 stop19h 43m
$693
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Sun 8/17
12:05 am-7:05 pm
1 stop27h 00m
Incheon Intl
Mon 9/1
10:10 am-10:55 pm
1 stop28h 45m
$724
Showing 1-10 of 60 results
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 $1,001). 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 April 29, 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 April 29, 2025.
The most flights from US0 to KR0 are scheduled on a Monday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (19 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 April 29, 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.
Boarding
8.4
Comfort
8.3
Crew
8.6
Entertainment
8.0
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentDale,Apr 2025
SFO - TPE
Boarding
8.4
Comfort
8.3
Crew
8.6
Entertainment
8.0
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentDale,Apr 2025
SFO - TPE
Boarding
8.4
Comfort
8.3
Crew
8.6
Entertainment
8.0
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentDale,Apr 2025
SFO - TPE
Boarding
8.4
Comfort
8.3
Crew
8.6
Entertainment
8.0
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentDale,Apr 2025
SFO - TPE
Boarding
8.4
Comfort
8.3
Crew
8.6
Entertainment
8.0
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentDale,Apr 2025
SFO - TPE
Boarding
8.4
Comfort
8.3
Crew
8.6
Entertainment
8.0
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentDale,Apr 2025
SFO - TPE
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.
Browse thousands of different options on Cheapflights for your next trip
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.
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 April 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$142 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$363 | Average$665 | FlexibilityNo cancel fee | On-time49% | |
| Cheapest$403 | Average$1,102 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$439 | Average$1,119 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$549 | Average$1,213 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$550 | Average$1,302 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$633 | Average$749 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$640 | Average$761 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$658 | Average$761 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$675 | Average$1,075 | FlexibilityNo cancel fee | On-time75% |