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Cheap flights from San Francisco to Koh Samui from $598

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Koh Samui departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco to Koh Samui

Cheap round-trip flights

These are some of the best round-trip flight deals from San Francisco to Koh Samui that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Francisco to Koh Samui.

Cheap last minute flights

Planning a quick getaway from San Francisco to Koh Samui? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Koh Samui, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Francisco to Koh Samui

Find recent round-trip train or bus tickets from San Francisco to Koh Samui.

All round-trip flight deals to Koh Samui

The cheapest plane tickets to Koh Samui found on KAYAK recently.
9:40 am - 8:00 amSFO-USM
31h 20m1 stop
8:55 am - 6:35 pmUSM-SFO
24h 40m1 stop
$881Singapore Airlines
Find Deal
Tue, Jan 21 - Mon, Jan 27
9:40 am - 8:00 amSFO-USM
31h 20m1 stop
8:55 am - 6:35 pmUSM-SFO
24h 40m1 stop
$927Singapore Airlines
Find Deal
Tue, Jan 21 - Mon, Jan 27
9:40 am - 8:00 amSFO-USM
31h 20m1 stop
8:55 am - 7:50 amUSM-SFO
37h 55m1 stop
$1,033Singapore Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 19
12:00 pm - 7:45 amSFO-USM
28h 45m2 stops
9:05 pm - 6:40 amUSM-SFO
24h 35m2 stops
$1,034EVA Air
Find Deal
Wed, Feb 5 - Wed, Feb 19
12:00 pm - 7:30 amSFO-USM
28h 30m2 stops
8:20 am - 6:30 pmUSM-SFO
25h 10m2 stops
$1,053EVA Air
Find Deal
Tue, Jan 21 - Mon, Jan 27
11:40 pm - 3:40 pmSFO-USM
25h 00m2 stops
12:15 pm - 6:50 pmUSM-SFO
21h 35m2 stops
$1,154
Find Deal
Thu, Feb 6 - Thu, Feb 20
11:40 pm - 3:40 pmSFO-USM
25h 00m2 stops
8:30 am - 6:50 pmUSM-SFO
25h 20m2 stops
$1,159
Find Deal
Thu, Feb 6 - Fri, Feb 21
10:55 pm - 7:35 pmSFO-USM
29h 40m1 stop
11:40 am - 9:15 pmUSM-SFO
24h 35m1 stop
$1,566Cathay Pacific
Find Deal
Wed, Feb 5 - Wed, Feb 19
10:55 pm - 7:35 pmSFO-USM
29h 40m1 stop
11:40 am - 9:15 pmUSM-SFO
24h 35m1 stop
$1,588Cathay Pacific
Find Deal
Mon, Feb 3 - Sun, Feb 23
9:10 pm - 2:55 pmSFO-USM
26h 45m2 stops
9:25 pm - 5:00 pmUSM-SFO
34h 35m2 stops
$2,482Vietnam Airlines
Find Deal
Thu, Feb 6 - Fri, Feb 21
3:40 pm - 8:00 amSFO-USM
49h 20m2 stops
Mon, Jan 13
1:05 am - 8:15 amSFO-USM
41h 10m2 stops
Thu, Apr 10
11:30 pm - 8:15 amSFO-USM
42h 45m2 stops
Fri, Apr 11
9:40 am - 10:50 amSFO-USM
34h 10m1 stop
$752Singapore Airlines
Find Deal
Mon, Jan 13
12:50 am - 9:20 amSFO-USM
42h 30m2 stops
$982EVA Air
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Sun, Jun 1
12:50 am - 9:35 pmSFO-USM
30h 45m2 stops
$1,020EVA Air
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Sat, May 31
11:30 am - 8:05 amSFO-USM
30h 35m1 stop
$1,286Singapore Airlines
Find Deal
Mon, Jun 2
11:30 am - 8:05 amSFO-USM
30h 35m1 stop
$1,336Singapore Airlines
Find Deal
Sun, Jun 1
11:30 pm - 3:40 pmSFO-USM
25h 10m2 stops
$3,844EVA Air
Find Deal
Thu, Jan 16
11:30 pm - 3:40 pmSFO-USM
25h 10m2 stops
$3,850EVA Air
Find Deal
Thu, Jan 16
12:00 pm - 7:20 amSFO-USM
28h 20m2 stops
11:40 am - 6:30 pmUSM-SFO
21h 50m2 stops
$3,319
Find Deal
Tue, Dec 24 - Wed, Jan 1
9:40 am - 8:00 amSFO-USM
31h 20m1 stop
8:40 am - 6:50 pmUSM-SFO
25h 10m2 stops
$3,333
Find Deal
Tue, Dec 24 - Wed, Jan 1
9:40 am - 8:00 amSFO-USM
31h 20m1 stop
11:40 am - 9:00 pmUSM-SFO
24h 20m1 stop
$3,530
Find Deal
Tue, Dec 24 - Wed, Jan 1
9:15 am - 8:00 amSFO-USM
31h 45m3 stops
8:40 am - 6:50 pmUSM-SFO
25h 10m2 stops
$3,759
Find Deal
Tue, Dec 24 - Wed, Jan 1
9:15 am - 8:00 amSFO-USM
31h 45m3 stops
8:55 am - 6:50 pmUSM-SFO
24h 55m3 stops
$3,963
Find Deal
Tue, Dec 24 - Wed, Jan 1

EVA Air flights from San Francisco to Koh Samui

Our best EVA Air deals on San Francisco to Koh Samui flight tickets
EVA Air
Feb 5
SFO12:00 pmSan Francisco
28h 45m
2 stops
USM7:45 amKo Samui
Feb 19
USM9:05 pmKo Samui
24h 35m
2 stops
SFO6:40 amSan Francisco
EVA Air
Jan 21
SFO12:00 pmSan Francisco
28h 30m
2 stops
USM7:30 amKo Samui
Jan 27
USM8:20 amKo Samui
25h 10m
2 stops
SFO6:30 pmSan Francisco
EVA Air
Jan 21
SFO12:00 pmSan Francisco
28h 30m
2 stops
USM7:30 amKo Samui
Jan 27
USM8:30 amKo Samui
21h 20m
2 stops
SFO2:50 pmSan Francisco

Singapore Airlines flights from San Francisco to Koh Samui

Our best Singapore Airlines deals on San Francisco to Koh Samui flight tickets
Singapore Airlines
Jan 21
SFO9:40 amSan Francisco
31h 20m
1 stop
USM8:00 amKo Samui
Jan 27
USM8:55 amKo Samui
24h 40m
1 stop
SFO6:35 pmSan Francisco
Singapore Airlines
Jan 21
SFO9:40 amSan Francisco
31h 20m
1 stop
USM8:00 amKo Samui
Jan 27
USM8:55 amKo Samui
24h 40m
1 stop
SFO6:35 pmSan Francisco
Singapore Airlines
Feb 5
SFO9:40 amSan Francisco
31h 20m
1 stop
USM8:00 amKo Samui
Feb 19
USM8:55 amKo Samui
37h 55m
1 stop
SFO7:50 amSan Francisco

See travel insights to Koh Samui from

How to get the cheapest flight ticket from San Francisco to Koh Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Francisco and Koh Samui?

What is the cheapest month to fly to Koh Samui?

If you are unable to visit Koh Samui during the month of October, then departing from San Francisco during the month September is also very affordable. Most momondo users find prices during this month for around $1,076.

What is the cheapest day to depart on your flight to Koh Samui?

According to our data, Wednesday is the cheapest day to fly to Koh Samui from San Francisco. The lowest ticket price found for a Wednesday departure recently was $1,167. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Friday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,736.

What is the cheapest time of day to depart on your flight to Koh Samui?

According to our data, the cheapest time of day to fly to Koh Samui is at noon. momondo users have found flights departing from San Francisco to Koh Samui at noon for as low as $1,070. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $1,296. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on San Francisco to Koh Samui flights?

You could potentially save up to 14% on your flight if you consider stops on a San Francisco to Koh Samui flight.

When to book flights from San Francisco to Koh Samui

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Koh Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Koh Samui (SFO to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Koh Samui

Best Price Found

$598

Fastest flight time

21h 00m

Direct flights

None

Airports in Koh Samui

1 airport
The best one-way flight to Koh Samui from San Francisco in the past 72 hours is $598. The best round-trip flight deal from San Francisco to Koh Samui found on momondo in the last 72 hours is $881.
The fastest flight from San Francisco to Koh Samui takes 21h 00m
There are no direct flights from San Francisco to Koh Samui. Popular non-direct route for this connection is San Francisco Airport - Ko Samui Airport.
There is 1 airport near Koh Samui: Ko Samui (USM)

  • How far is San Francisco to Ko Samui by plane?

    San Francisco and Ko Samui are 8165.8 mi apart from one another. In terms of flight time, this usually takes a little over 21h 00m.

  • When did momondo last update prices for flights from San Francisco Airport to Ko Samui Airport?

    Prices for flights from San Francisco Airport to Ko Samui Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Francisco Airport to Ko Samui Airport?

  • How old do you have to be to fly from San Francisco Airport to Ko Samui Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from San Francisco to Koh Samui?


Best airlines flying from San Francisco to Koh Samui

Compare and see reviews for airlines that fly from San Francisco to Koh Samui with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $1,026Free CancellationRating
8.1
1,330 reviews
Search Singapore Airlines flights
EVA AirPriceFrom $1,052Free CancellationRating
8.4
1,263 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Koh Samui?

It is quick and easy to find San Francisco to Koh Samui flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Koh Samui that suits you.

Can I find flights from San Francisco to Koh Samui with flexible booking policies on momondo?

Flights from San Francisco to Koh Samui with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Francisco to Koh Samui?

momondo provides multiple filters to help you find the best flight to Koh Samui from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Francisco to Koh Samui right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco to Koh Samui flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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