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Cheap flights from San Francisco to Ko Samui from $499

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 Ko Samui departing on 8/23. 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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0 bags

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Find the cheapest flights from San Francisco to Ko Samui

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Francisco to Ko Samui.
Singapore Airlines Logo
11:30 am - 7:50 amSFO-USM
30h 20m1 stop
Singapore Airlines Logo
5:50 pm - 9:40 amUSM-SFO
29h 50m1 stop
$880Singapore Airlines
Find Deal
Mon, Sep 1 - Fri, Sep 12
Singapore Airlines Logo
11:30 am - 7:50 amSFO-USM
30h 20m1 stop
Singapore Airlines Logo
5:50 pm - 9:40 amUSM-SFO
29h 50m1 stop
$881Singapore Airlines
Find Deal
Mon, Sep 1 - Fri, Sep 12
EVA Air Logo
1:15 am - 1:45 pmSFO-USM
22h 30m2 stops
EVA Air Logo
7:30 pm - 6:45 amUSM-SFO
25h 15m2 stops
$1,033EVA Air
Find Deal
Tue, May 13 - Tue, May 20
China Airlines Logo
1:05 am - 1:45 pmSFO-USM
22h 40m2 stops
China Airlines Logo
11:45 am - 8:30 pmUSM-SFO
22h 45m2 stops
$1,034China Airlines
Find Deal
Sun, Aug 31 - Fri, Sep 12
EVA Air Logo
1:00 pm - 7:20 amSFO-USM
28h 20m2 stops
EVA Air Logo
9:00 pm - 6:50 amUSM-SFO
23h 50m2 stops
$1,057EVA Air
Find Deal
Fri, Aug 29 - Sun, Sep 7
China Airlines Logo
1:05 am - 1:45 pmSFO-USM
22h 40m2 stops
China Airlines Logo
2:35 pm - 7:55 pmUSM-SFO
19h 20m2 stops
$1,138China Airlines
Find Deal
Wed, May 14 - Wed, May 21
Cathay Pacific Logo
12:20 am - 6:35 pmSFO-USM
28h 15m1 stop
Cathay Pacific Logo
10:55 am - 5:30 pmUSM-SFO
20h 35m1 stop
$1,177Cathay Pacific
Find Deal
Thu, May 15 - Tue, May 20
Cathay Pacific Logo
12:55 pm - 6:35 pmSFO-USM
39h 40m1 stop
Cathay Pacific Logo
10:55 am - 5:30 pmUSM-SFO
20h 35m1 stop
$1,190Cathay Pacific
Find Deal
Fri, May 16 - Tue, May 20
 Logo
12:55 pm - 6:35 pmSFO-USM
39h 40m1 stop
 Logo
7:30 pm - 1:00 pmUSM-SFO
31h 30m2 stops
$1,217
Find Deal
Fri, May 16 - Tue, May 20
 Logo
6:45 pm - 6:15 pmSFO-USM
57h 30m2 stops
 Logo
7:30 pm - 10:35 amUSM-SFO
29h 05m2 stops
$1,311
Find Deal
Fri, May 16 - Tue, May 20

EVA Air flights from San Francisco to Ko Samui

Our best EVA Air deals on San Francisco to Ko Samui flight tickets
EVA Air
May 13
SFO1:15 amSan Francisco
22h 30m
2 stops
USM1:45 pmKo Samui
May 20
USM7:30 pmKo Samui
25h 15m
2 stops
SFO6:45 amSan Francisco
EVA Air
Aug 29
SFO1:00 pmSan Francisco
28h 20m
2 stops
USM7:20 amKo Samui
Sep 7
USM9:00 pmKo Samui
23h 50m
2 stops
SFO6:50 amSan Francisco
EVA Air
May 13
SFO1:15 amSan Francisco
22h 30m
2 stops
USM1:45 pmKo Samui
May 22
USM2:00 pmKo Samui
20h 10m
2 stops
SFO8:10 pmSan Francisco

Singapore Airlines flights from San Francisco to Ko Samui

Our best Singapore Airlines deals on San Francisco to Ko Samui flight tickets
Singapore Airlines
Sep 1
SFO11:30 amSan Francisco
30h 20m
1 stop
USM7:50 amKo Samui
Sep 12
USM5:50 pmKo Samui
29h 50m
1 stop
SFO9:40 amSan Francisco
Singapore Airlines
Sep 1
SFO11:30 amSan Francisco
30h 20m
1 stop
USM7:50 amKo Samui
Sep 12
USM5:50 pmKo Samui
29h 50m
1 stop
SFO9:40 amSan Francisco
Singapore Airlines
Aug 29
SFO11:30 amSan Francisco
30h 20m
1 stop
USM7:50 amKo Samui
Sep 7
USM5:50 pmKo Samui
29h 50m
1 stop
SFO9:40 amSan Francisco

See travel insights to Ko Samui from

How to get the cheapest flight ticket from San Francisco to Ko 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 cheapest month to fly to Ko Samui?

In general, October is the cheapest month to fly from San Francisco to Ko Samui. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,057. If you don’t want to visit Ko Samui in October, then you should wait until January to fly from San Francisco, when ticket prices are also cheap, with an average price of $1,084.

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

Our data shows that Monday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $382. Flights from San Francisco to Ko Samui on a Friday will generally be more expensive and average around $515. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest San Francisco to Ko Samui flights are usually those with departure times at noon. Our users have found flights to Ko Samui at noon for as low as $310. In the morning is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $433 per ticket.

When to book flights from San Francisco to Ko Samui

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

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

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

Best Price Found

$499

Fastest flight time

19h 45m

Direct flights

None

Airports in Ko Samui

1 airport
The best one-way flight to Ko Samui from San Francisco in the past 72 hours is $499. The best round-trip flight deal from San Francisco to Ko Samui found on momondo in the last 72 hours is $880.
The fastest flight from San Francisco to Ko Samui takes 19h 45m
There are no direct flights from San Francisco to Ko Samui. Popular non-direct route for this connection is San Francisco Airport - Ko Samui Airport.
There is 1 airport near Ko 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 19h 45m.

  • 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 Ko Samui?


Best airlines flying from San Francisco to Ko Samui

Compare and see reviews for airlines that fly from San Francisco to Ko Samui with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $873Free CancellationRating
8.1
1,290 reviews
Search Singapore Airlines flights
EVA AirPriceFrom $1,041Free CancellationRating
8.4
1,180 reviews
Search EVA Air flights

Traveling to a place near Ko Samui?

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

Why use momondo?

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

It is quick and easy to find San Francisco to Ko 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 Ko Samui that suits you.

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

Flights from San Francisco to Ko 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 Ko Samui?

momondo provides multiple filters to help you find the best flight to Ko 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 Ko Samui right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco to Ko 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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