$577+ Cheap flights from the United States to Ko Samui (USM)
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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — USM
may. 5 — may. 121
1 adult, Economy
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Find cheap flights from USA to Ko Samui 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
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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 Ko Samui
Keep the following information in mind while searching for USA to Ko Samui flight deals. Data was last updated abril 30, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $743 (Gurufare) |
One-way from | $577 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Find flight deals from USA to Ko Samui
Cheapest flights from USA to Ko SamuiExplore the most affordable flight options available from USA to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.
Explore the most affordable flight options available from USA to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/1511:40 pmLAX - USM
1 stop27h 15mSingapore Airlines
mié. 10/88:45 amUSM - LAX
1 stop24h 20mSingapore Airlines
Deal found 4/29![Singapore Airlines logo]()
$743
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/143:00 pmLAX - USM
2 stops29h 10mJapan Airlines
lun. 10/67:00 amUSM - LAX
2 stops20h 50mJapan Airlines
Deal found 4/29![Japan Airlines logo]()
$869
This FlightHub deal was found by Cheapflights users on 4/29. 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.
lun. 9/111:30 amSFO - USM
1 stop30h 20mSingapore Airlines
vie. 9/125:50 pmUSM - SFO
1 stop29h 50mSingapore Airlines
Deal found 4/29![Singapore Airlines logo]()
$878
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/811:00 pmLAX - USM
2 stops28h 45mMultiple Airlines
lun. 9/158:00 amUSM - LAX
2 stops22h 00mMultiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$904
This Singapore Airlines deal was found by Cheapflights users on 4/29. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/309:45 amSEA - USM
1 stop32h 15mMultiple Airlines
dom. 11/309:25 pmUSM - SEA
2 stops48h 45mMultiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$975
This FlightHub deal was found by Cheapflights users on 4/29. 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.
mié. 10/291:10 amSEA - USM
2 stops23h 45mEVA Air
dom. 11/308:30 pmUSM - SEA
2 stops36h 40mEVA Air
Deal found 4/29![EVA Air logo]()
$1,019
This FlightHub deal was found by Cheapflights users on 4/29. 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.
dom. 8/311:00 amSFO - USM
2 stops22h 45mEVA Air
vie. 9/1211:45 amUSM - SFO
2 stops22h 15mEVA Air
Deal found 4/29![EVA Air logo]()
$1,045
This FlightHub deal was found by Cheapflights users on 4/29. 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.
mié. 8/2712:55 pmJFK - USM
2 stops32h 20mMultiple Airlines
mié. 9/179:00 pmUSM - JFK
2 stops24h 55mMultiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,050
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/311:25 amLAX - USM
2 stops22h 20mEVA Air
dom. 9/77:15 pmUSM - LAX
2 stops26h 05mEVA Air
Deal found 4/28![EVA Air logo]()
$1,064
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.
dom. 11/211:00 amBOS - USM
2 stops32h 10mMultiple Airlines
dom. 11/97:00 amUSM - BOS
2 stops37h 40mMultiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,114
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.
jue. 11/1311:30 pmORD - USM
2 stops26h 25mEVA Air
jue. 11/277:00 amUSM - ORD
2 stops25h 35mEVA Air
Deal found 4/27![EVA Air logo]()
$1,130
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/147:50 pmORD - USM
2 stops26h 55mTurkish Airlines
dom. 9/287:30 pmUSM - ORD
2 stops26h 10mTurkish Airlines
Deal found 4/28![Turkish Airlines logo]()
$1,137
Cheapflights Fare Finder
Customize your flight search to find flights from USA to Ko Samui 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 abril 30, 2025.
Use the filters below to find and compare flights from the United States to Ko Samui that are best for you.
Fly from
USA
Fly to
Ko Samui
Route
Depart
Return
Price
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
lun. 9/15
11:40 pm-4:55 pm
1 stop27h 15m
Ko Samui
mié. 10/8
8:45 am-7:05 pm
1 stop24h 20m
$743
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
dom. 9/14
3:00 pm-10:10 am
2 stops29h 10m
Ko Samui
lun. 10/6
7:00 am-1:50 pm
2 stops20h 50m
$869
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
lun. 9/8
11:00 pm-5:45 pm
2 stops28h 45m
Ko Samui
lun. 9/15
8:00 am-4:00 pm
2 stops22h 00m
$904
New YorkKo Samui
JFK - USM
JFKUSM
New York John F Kennedy Intl
mié. 8/27
12:55 pm-8:15 am
2 stops32h 20m
Ko Samui
mié. 9/17
9:00 pm-10:55 am
2 stops24h 55m
$1,050
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
dom. 8/31
1:25 am-1:45 pm
2 stops22h 20m
Ko Samui
dom. 9/7
7:15 pm-7:20 am
2 stops26h 05m
$1,064
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
dom. 9/14
4:55 pm-7:20 am
2 stops24h 25m
Ko Samui
mar. 10/7
8:00 am-8:45 pm
2 stops26h 45m
$1,157
SeattleKo Samui
SEA - USM
SEAUSM
Seattle/Tacoma Intl
mar. 6/3
10:15 am-7:50 am
1 stop31h 35m
Ko Samui
jue. 6/12
7:25 pm-8:45 am
1 stop27h 20m
$1,219
New YorkKo Samui
JFK - USM
JFKUSM
New York John F Kennedy Intl
lun. 9/1
3:45 pm-8:15 am
2 stops29h 30m
Ko Samui
sáb. 9/13
7:10 pm-9:00 am
2 stops48h 50m
$1,230
New YorkKo Samui
JFK - USM
JFKUSM
New York John F Kennedy Intl
mié. 8/27
8:55 pm-4:55 pm
2 stops33h 00m
Ko Samui
mié. 9/17
7:25 pm-6:50 pm
1 stop34h 25m
$1,291
SeattleKo Samui
SEA - USM
SEAUSM
Seattle/Tacoma Intl
mié. 5/28
7:10 pm-6:15 pm
2 stops57h 05m
Ko Samui
mié. 6/4
7:30 pm-5:15 pm
2 stops35h 45m
$1,296
Showing 1-10 of 60 results
Best time to book a flight from USA to Ko Samui
Have a flexible travel schedule? Discover the best time to fly to Ko Samui 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 Ko Samui
What is the cheapest time of day to fly from US to USM?
Find hourly flight availability from USA to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 30, 2025.
When flying from USA to Ko Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Ko Samui by month
Plan your trip to Ko Samui by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ko Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Ko Samui when rainfall is around 2.3 in.
Temperature in Ko Samui by month
Plan your trip to Ko Samui by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).
Reviews of airlines servicing Ko Samui
Get insights into the airlines that provide service to Ko Samui. 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 Ko Samui. Reviews last updated abril 30, 2025.
Get a feel of what it's like to fly with EVA Air, Japan Airlines and China Airlines from USA to Ko Samui by reading reviews from past customers. 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.
Entertainment
8.0
Boarding
8.4
Overall
8.4
Crew
8.6
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDale,Apr 2025
SFO - TPE
Entertainment
8.0
Boarding
8.4
Overall
8.4
Crew
8.6
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDale,Apr 2025
SFO - TPE
Entertainment
8.0
Boarding
8.4
Overall
8.4
Crew
8.6
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDale,Apr 2025
SFO - TPE
Entertainment
8.0
Boarding
8.4
Overall
8.4
Crew
8.6
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDale,Apr 2025
SFO - TPE
Entertainment
8.0
Boarding
8.4
Overall
8.4
Crew
8.6
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDale,Apr 2025
SFO - TPE
Entertainment
8.0
Boarding
8.4
Overall
8.4
Crew
8.6
Food
8.1
Comfort
8.3
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 Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near the United States?
Book flights to the United States if you plan to visit one of these locationsKo Tao
Ko Pha Ngan
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Alternative routes for USA to Ko Samui
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from USA to Ko Samui
Discover the top 3 airlines that operate flights from USA to Ko Samui. 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 abril 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$873 | Average$1,273 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,041 | Average$1,231 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,426 | Average$1,908 | FlexibilityNo cancel fee | On-time68% |