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Ko Samui

$440+ Cheap flights from Pasadena, CA 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — USM
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Pasadena to Ko Samui

Cheapest flights from Pasadena to Ko Samui
Explore the most affordable flight options available from Pasadena to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This FlightHub deal was found by Cheapflights users on 12/16. 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 12/2510:05 pmLAX - USM
1 stop42h 55mSingapore Airlines
Sat 1/31:25 pmUSM - LAX
1 stop21h 30mSingapore Airlines
Deal found 12/16$2,848
This oojo deal was found by Cheapflights users on 12/16. 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.
Thu 12/2510:50 amLAX - USM
2 stops29h 55mMultiple Airlines
Sat 1/37:15 amUSM - LAX
2 stops39h 40mMultiple Airlines
Deal found 12/16$3,580
This oojo deal was found by Cheapflights users on 12/16. 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.
Thu 12/2510:50 amLAX - USM
2 stops29h 55mMultiple Airlines
Fri 1/27:15 amUSM - LAX
2 stops26h 50mMultiple Airlines
Deal found 12/16$3,626
This Ovago deal was found by Cheapflights users on 12/15. 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.
Thu 12/2510:35 pmLAX - USM
1 stop30h 00mCathay Pacific
Sat 1/311:40 amUSM - LAX
1 stop36h 35mCathay Pacific
Deal found 12/15$6,132

Find flight deals from Pasadena to Ko Samui

Keep the following information in mind while searching for Pasadena to Ko Samui flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$762
(FlightHub)

One-way from

$440
(Orbitz)

Popular in

February

Cheapest in

September

Average price

$1,261
Provider with most accurate pricing for Los Angeles-Ko Samui flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Ko Samui flights.
Search Deals
From Pasadena to Ko Samui
Search Deals
One-way flight from Pasadena to Ko Samui
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pasadena 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 December 18, 2025.
Use the filters below to find and compare flights from Pasadena to Ko Samui that are best for you.

Fly from

Pasadena

Fly to

Ko Samui

Route

Depart

Return

Price

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Sun 5/3

11:40 pm-5:20 pm

1 stop27h 40m

Ko Samui

Thu 5/7

8:45 am-9:50 pm

1 stop27h 05m

$762

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Tue 3/3

10:05 pm-6:50 pm

1 stop29h 45m

Ko Samui

Tue 3/31

8:45 am-9:50 pm

1 stop27h 05m

$813

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Thu 4/16

11:40 pm-6:50 pm

1 stop29h 10m

Ko Samui

Thu 4/30

8:45 am-9:50 pm

1 stop27h 05m

$890

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Thu 4/16

11:40 pm-6:50 pm

1 stop29h 10m

Ko Samui

Sun 4/26

8:45 am-7:05 pm

1 stop24h 20m

$890

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Wed 1/7

1:20 pm-7:35 am

2 stops27h 15m

Ko Samui

Thu 1/29

7:00 pm-7:05 pm

2 stops39h 05m

$947

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Tue 3/3

11:00 pm-3:35 pm

2 stops25h 35m

Ko Samui

Tue 3/31

9:15 am-8:55 pm

2 stops25h 40m

$954

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Wed 4/15

12:30 am-1:45 pm

2 stops23h 15m

Ko Samui

Sun 4/26

7:15 pm-7:10 am

2 stops25h 55m

$955

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Wed 1/7

1:20 pm-7:35 am

2 stops27h 15m

$440

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Wed 2/18

10:55 am-7:10 am

2 stops29h 15m

$485

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Tue 2/17

9:15 pm-6:25 pm

2 stops30h 10m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 15 results
1
2

Best time to book a flight from Pasadena to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Pasadena 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 Pasadena to Ko Samui

What is the cheapest month to book a flight from Pasadena to Ko Samui?

Currently, September is the cheapest month in which you can book a flight from Pasadena to Ko Samui (average of $686). Flying from Pasadena to Ko Samui in February is currently the most expensive (average of $1,256). 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 P4S to USM?

Find hourly flight availability from Pasadena 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 December 18, 2025.

One of the essential ways to save on airfare from Pasadena to Ko Samui is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 44% on airfare.

What is the cheapest day to fly from Pasadena to Ko Samui?

Use this chart to determine the cheapest time to fly round-trip from Pasadena to Ko Samui. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Pasadena to Ko Samui flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.
See what other customers who have flown with EVA Air and Singapore Airlines from Pasadena to Ko Samui have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,295 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,295 reviews
EVA Air
8.5
Very good
1,295 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Singapore Airlines
8.1
Very good
1,413 reviews
EVA Air
8.5
Very good
1,295 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

Related info for your journey

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

  • What airport do you fly into for flights to Ko Samui from Pasadena?

    Ko Samui (USM) is the airport you will fly into if you book a flight from Pasadena to Ko Samui. You should not have trouble finding flights to Ko Samui from Pasadena; the airport handles an average of 0 inbound flights from Pasadena per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Ko Samui airport from Pasadena. It is only a 2.1 mi journey from Ko Samui (USM) to Ko Samui’s city center.

  • How long is the flight from Pasadena to Ko Samui?

    Singapore Airlines can get you from Pasadena to Ko Samui in just under 27h 40m. Your travel time can differ by up to . Pasadena and Ko Samui are separated by a distance of 8508 mi.

  • Can I find deals for flights from Pasadena to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Pasadena to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pasadena to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pasadena to Ko Samui.

  • Can I find deals for business class flights from Pasadena to Ko Samui?

    Yes. Cheapflights offers flight deals from Pasadena to Ko Samui 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 Pasadena to Ko Samui?

    Currently, September is the cheapest month in which you can book a flight from Pasadena to Ko Samui (average of $686). Flying from Pasadena to Ko Samui in February is currently the most expensive (average of $1,256). 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

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pasadena to Ko Samui

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Top 2 airlines flying from Pasadena to Ko Samui

Discover the top 2 airlines that operate flights from Pasadena 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$756Average$1,096FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,062Average$1,235FlexibilityNo cancel feeOn-time74%

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