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Cheap flights from Washington to Koh Samui (USM) from $1,428

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — USM
may. 27 — jun. 31
From?
To?
lun. 5/27
lun. 6/3
1 adult, Economy
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When is the cheapest time to fly from State of Washington to Koh Samui (WA - USM)?

When flying from State of Washington to Koh Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Singapore Airlines flights from Washington to Koh Samui

Explore cheap flight options specifically provided by Singapore Airlines for the route between Washington and Koh Samui. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated mayo 22, 2024.
Consider these cheap Singapore Airlines flights we've found departing from Washington to Koh Samui. Be sure to come back soon if the deals available don't appeal to you at this time.
jue. 5/3010:15 amSEA - USM
1 stop35h 00mSingapore Airlines
sáb. 6/812:10 pmUSM - SEA
1 stop34h 35mSingapore Airlines
Deal found 5/21$3,449
lun. 6/37:00 amSEA - USM
2 stops45h 20mSingapore Airlines
lun. 6/1012:10 pmUSM - SEA
1 stop34h 35mSingapore Airlines
Deal found 5/21$3,514
jue. 5/3010:15 amSEA - USM
1 stop35h 00mSingapore Airlines
dom. 6/91:30 pmUSM - SEA
1 stop57h 15mSingapore Airlines
Deal found 5/21$4,022
vie. 5/3110:44 pmSEA - USM
2 stops32h 31mSingapore Airlines
lun. 6/104:25 pmUSM - SEA
1 stop30h 20mSingapore Airlines
Deal found 5/21$15,829

Cheap Qatar Airways flights from Washington to Koh Samui

Explore cheap flight options specifically provided by Qatar Airways for the route between Washington and Koh Samui. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated mayo 22, 2024.
Some of the lowest-priced Qatar Airways flights we've found at this time heading from Washington to Koh Samui. Deals are refreshing constantly so come back soon for more options.
jue. 5/304:30 pmSEA - USM
2 stops27h 40mQatar Airways
lun. 6/109:30 pmUSM - SEA
2 stops29h 00mQatar Airways
Deal found 5/21$1,924
vie. 5/314:30 pmSEA - USM
2 stops27h 40mQatar Airways
lun. 6/109:30 pmUSM - SEA
2 stops29h 00mQatar Airways
Deal found 5/21$2,002
jue. 5/304:30 pmSEA - USM
2 stops27h 40mQatar Airways
sáb. 6/89:15 pmUSM - SEA
2 stops29h 15mQatar Airways
Deal found 5/21$2,038
vie. 5/314:30 pmSEA - USM
2 stops27h 40mQatar Airways
sáb. 6/89:10 pmUSM - SEA
2 stops29h 20mQatar Airways
Deal found 5/21$2,148

Cheap Washington to Koh Samui flights in May & June 2024

Find cheap flight options from Washington to Koh Samui specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Prices were last updated on mayo 22, 2024.
Listed are some of the best fares we've found on flights departing from Washington to Koh Samui in 2024. More deals are always being added, so be sure to check back regularly.
lun. 6/36:40 pmSEA - USM
2 stops33h 20mMultiple Airlines
lun. 6/101:30 pmUSM - SEA
2 stops41h 15mMultiple Airlines
Deal found 5/21$1,428
jue. 5/306:40 pmSEA - USM
2 stops29h 05mMultiple Airlines
dom. 6/91:30 pmUSM - SEA
2 stops41h 15mMultiple Airlines
Deal found 5/21$1,488
mié. 5/226:40 pmSEA - USM
2 stops33h 20mTurkish Airlines
mié. 6/196:25 pmUSM - SEA
2 stops36h 20mTurkish Airlines
Deal found 5/21$1,560
lun. 6/37:40 amSEA - USM
3 stops34h 55mMultiple Airlines
lun. 6/109:15 pmUSM - SEA
2 stops27h 20mMultiple Airlines
Deal found 5/21$1,882
mié. 5/2211:25 amSEA - USM
2 stops41h 10mMultiple Airlines
mié. 6/198:00 amUSM - SEA
3 stops23h 52mMultiple Airlines
Deal found 5/21$1,890
jue. 5/304:30 pmSEA - USM
2 stops27h 40mQatar Airways
lun. 6/109:30 pmUSM - SEA
2 stops29h 00mQatar Airways
Deal found 5/21$1,924
lun. 6/37:40 amSEA - USM
3 stops34h 55mMultiple Airlines
lun. 6/103:25 pmUSM - SEA
3 stops33h 10mMultiple Airlines
Deal found 5/21$1,928
mié. 5/228:50 amSEA - USM
3 stops46h 05mMultiple Airlines
mié. 6/198:00 amUSM - SEA
3 stops23h 52mMultiple Airlines
Deal found 5/21$1,972
vie. 5/314:30 pmSEA - USM
2 stops27h 40mQatar Airways
lun. 6/109:30 pmUSM - SEA
2 stops29h 00mQatar Airways
Deal found 5/21$2,002

Washington to Koh Samui 2024 flight deals

Discover exclusive flight deals for travel between Washington and Koh Samui in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated mayo 22, 2024.
Listed are some of the best fares we've found on flights departing from Washington to Koh Samui in 2024. More deals are always being added, so be sure to check back regularly.
lun. 6/36:40 pmSEA - USM
2 stops33h 20mMultiple Airlines
lun. 6/101:30 pmUSM - SEA
2 stops41h 15mMultiple Airlines
Deal found 5/21$1,428
jue. 5/306:40 pmSEA - USM
2 stops29h 05mMultiple Airlines
dom. 6/91:30 pmUSM - SEA
2 stops41h 15mMultiple Airlines
Deal found 5/21$1,488
mié. 5/226:40 pmSEA - USM
2 stops33h 20mTurkish Airlines
mié. 6/196:25 pmUSM - SEA
2 stops36h 20mTurkish Airlines
Deal found 5/21$1,560
lun. 6/37:40 amSEA - USM
3 stops34h 55mMultiple Airlines
lun. 6/109:15 pmUSM - SEA
2 stops27h 20mMultiple Airlines
Deal found 5/21$1,882
mié. 5/2211:25 amSEA - USM
2 stops41h 10mMultiple Airlines
mié. 6/198:00 amUSM - SEA
3 stops23h 52mMultiple Airlines
Deal found 5/21$1,890
jue. 5/304:30 pmSEA - USM
2 stops27h 40mQatar Airways
lun. 6/109:30 pmUSM - SEA
2 stops29h 00mQatar Airways
Deal found 5/21$1,924
lun. 6/37:40 amSEA - USM
3 stops34h 55mMultiple Airlines
lun. 6/103:25 pmUSM - SEA
3 stops33h 10mMultiple Airlines
Deal found 5/21$1,928
mié. 5/228:50 amSEA - USM
3 stops46h 05mMultiple Airlines
mié. 6/198:00 amUSM - SEA
3 stops23h 52mMultiple Airlines
Deal found 5/21$1,972
vie. 5/314:30 pmSEA - USM
2 stops27h 40mQatar Airways
lun. 6/109:30 pmUSM - SEA
2 stops29h 00mQatar Airways
Deal found 5/21$2,002

Washington to Koh Samui flights leaving soon

Find last-minute flight options from Washington to Koh Samui for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated mayo 22, 2024.
Users seeking a last-minute flight from Washington to Koh Samui should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
lun. 6/36:40 pmSEA - USM
2 stops33h 20mMultiple Airlines
lun. 6/101:30 pmUSM - SEA
2 stops41h 15mMultiple Airlines
Deal found 5/21$1,428
jue. 5/306:40 pmSEA - USM
2 stops29h 05mMultiple Airlines
dom. 6/91:30 pmUSM - SEA
2 stops41h 15mMultiple Airlines
Deal found 5/21$1,488
lun. 6/37:40 amSEA - USM
3 stops34h 55mMultiple Airlines
lun. 6/109:15 pmUSM - SEA
2 stops27h 20mMultiple Airlines
Deal found 5/21$1,882
jue. 5/304:30 pmSEA - USM
2 stops27h 40mQatar Airways
lun. 6/109:30 pmUSM - SEA
2 stops29h 00mQatar Airways
Deal found 5/21$1,924
lun. 6/37:40 amSEA - USM
3 stops34h 55mMultiple Airlines
lun. 6/103:25 pmUSM - SEA
3 stops33h 10mMultiple Airlines
Deal found 5/21$1,928
vie. 5/314:30 pmSEA - USM
2 stops27h 40mQatar Airways
lun. 6/109:30 pmUSM - SEA
2 stops29h 00mQatar Airways
Deal found 5/21$2,002
jue. 5/304:30 pmSEA - USM
2 stops27h 40mQatar Airways
sáb. 6/89:15 pmUSM - SEA
2 stops29h 15mQatar Airways
Deal found 5/21$2,038
vie. 5/314:30 pmSEA - USM
2 stops27h 40mQatar Airways
sáb. 6/89:10 pmUSM - SEA
2 stops29h 20mQatar Airways
Deal found 5/21$2,148
mié. 5/291:50 amSEA - USM
2 stops28h 40mEVA Air
dom. 6/98:45 amUSM - SEA
2 stops24h 45mEVA Air
Deal found 5/21$2,566

One-way flights to Koh Samui from Washington

Search for one-way flight options from Washington to Koh Samui. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated mayo 22, 2024.
Users traveling one-way from Washington to Koh Samui can select one of these great deals. Users in need of a round-trip flight from Washington to Koh Samui instead should update the search form at the top of page.
lun. 10/710:15 amPDX - USM
3 stops33h 55mJapan Airlines
Deal found 5/22$2,867
lun. 10/76:36 amPDX - USM
3 stops37h 34mJapan Airlines
Deal found 5/21$2,976
mié. 10/93:00 pmPDX - USM
3 stops37h 30mMultiple Airlines
Deal found 5/22$3,115
lun. 10/78:30 pmPDX - USM
2 stops32h 05mCathay Pacific
Deal found 5/21$3,885
lun. 10/76:55 pmPDX - USM
2 stops33h 40mMultiple Airlines
Deal found 5/22$4,258

Find flights from Washington to Koh Samui within your budget

Customize your flight search to find flights from Washington to Koh 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 2,730,072 searches. Data last updated mayo 22, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,428 - $4,805

Route

Depart

Return

Price

Seattle/Tacoma IntlKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

lun. 6/3

2 stops33h 20m

Ko Samui

lun. 6/10

2 stops41h 15m

$1,428

Seattle/Tacoma IntlKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

lun. 6/3

3 stops34h 55m

Ko Samui

lun. 6/10

2 stops27h 20m

$1,882

Seattle/Tacoma IntlKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

lun. 6/3

3 stops34h 55m

Ko Samui

lun. 6/10

3 stops33h 10m

$1,928

Seattle/Tacoma IntlKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

dom. 6/2

2 stops26h 30m

Ko Samui

lun. 6/10

2 stops24h 15m

$2,785

Seattle/Tacoma IntlKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

lun. 6/3

2 stops45h 20m

Ko Samui

lun. 6/10

1 stop34h 35m

$3,514

Seattle/Tacoma IntlKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

dom. 6/2

2 stops27h 55m

Ko Samui

lun. 6/10

1 stop34h 35m

$4,805

Flights are sorted by cheapest first

Deals found on 5/21

No data available for this route at this time. Please check back soon.

Best time to book a flight from Washington to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui from Washington 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.

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh 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 Koh Samui. Reviews last updated mayo 22, 2024.
Read reviews from past customers who have flown Singapore Airlines, Qatar Airways and EVA Air from Washington to Koh Samui. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Boarding

8.4

Food

7.8

Comfort

8.2

Crew

8.7

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Japan Airlines
8.3
Very good
1,472 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Boarding

8.4

Food

7.8

Comfort

8.2

Crew

8.7

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Singapore Airlines
8.2
Very good
1,436 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Boarding

8.4

Food

7.8

Comfort

8.2

Crew

8.7

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Cathay Pacific
7.8
Good
1,074 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Boarding

8.4

Food

7.8

Comfort

8.2

Crew

8.7

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Related info for your journey

Find useful and relevant information for your journey from Washington to Koh 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 Koh Samui from Washington?

    Ko Samui (USM) is the airport you will fly into if you book a flight from Washington to Koh Samui. It is only a 2.1 mi journey from Ko Samui (USM) to Koh Samui’s city center.

  • Can I find flights from State of Washington to Koh Samui for under $1,500 on Cheapflights?

    Yes, there are multiple flights from State of Washington to Koh Samui for under $1,500. The cheapest flight booked recently is on Multiple Airlines for just $1,428, but on average you can expect to pay $2,723.

  • Are there last-minute flights available from State of Washington to Koh Samui for under $1,500?

    There are currently 20+ open flights from State of Washington to Koh Samui within the next 7 days for less than $1,500.

  • What does SEA to USM mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Ko Samui Airport flight would often be abbreviated as a SEA to USM flight. Spokane Airport (GEG), Pasco Tri Cities Airport (PSC), Bellingham Airport (BLI), Everett Paine Field Airport (PAE), Seattle Lake Union Spb Airport (LKE) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Washington to Koh Samui that include extra baggage allowance?

    The amount of baggage you can bring on your Washington to Koh Samui flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington to Koh Samui with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington to Koh Samui flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Washington to Koh Samui that include hotel bookings?

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

  • How can I find direct flights from Washington to Koh Samui?

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

  • Can I find deals for business class flights from Washington to Koh Samui?

    Yes. Cheapflights offers flight deals from Washington to Koh 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.

  • Can I find deals for flights from Washington to Koh Samui that allow pets onboard?

    Many airlines flying from Washington to Koh Samui offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington to Koh Samui?

    Yes, you can often find last-minute deals on Washington to Koh Samui flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the State of Washington to Koh Samui flight deals updated?

    The State of Washington to Koh Samui flight deals you see on this page were last updated on 5/21.

See more FAQs

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Top airline flying from Washington to Koh Samui

Discover the top airline that operate flights from Washington to Koh 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 2,730,072 searches. Data last updated mayo 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,269Average$1,401FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
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Search flights from Washington to Koh Samui by cabin class

Find flights from Washington to Koh Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Can Cheapflights find flights from Washington to Koh Samui with no change fees?

Yes! Cheapflights helps users easily find flights from Washington to Koh Samui with no change fees.

Can Cheapflights notify me if prices for flights from Washington to Koh Samui become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Koh Samui from Washington today and book when prices fit your budget.

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