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Koh Samui

$606+ Cheap flights from Maryland to Koh 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — USM
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Maryland to Koh Samui

Keep the following information in mind while searching for Maryland to Koh Samui flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,307
(SmartFares)

One-way from

$606
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Ko Samui flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Ko Samui flights.
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From Maryland to Ko Samui
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One-way flight from Maryland to Ko Samui
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Find flight deals from Maryland to Koh Samui

Cheapest flights from Maryland to Koh Samui
Explore the most affordable flight options available from Maryland to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/19. 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.
Mon 9/19:40 pmIAD - USM
2 stops25h 30mTurkish Airlines
Sat 9/66:55 pmUSM - IAD
2 stops26h 50mTurkish Airlines
Deal found 2/19$1,289
This SmartFares deal was found by Cheapflights users on 2/19. 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.
Wed 3/129:05 pmIAD - USM
2 stops34h 10mMultiple Airlines
Tue 3/1811:40 amUSM - IAD
2 stops32h 40mMultiple Airlines
Deal found 2/19$1,307
This KAYAK deal was found by Cheapflights users on 2/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/219:05 pmIAD - USM
2 stops33h 25mQatar Airways
Fri 4/255:55 pmUSM - IAD
2 stops32h 45mQatar Airways
Deal found 2/20$1,540
This Gotogate deal was found by Cheapflights users on 2/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/511:40 amDCA - USM
2 stops43h 55mCathay Pacific
Sat 4/1210:55 amUSM - DCA
2 stops33h 34mCathay Pacific
Deal found 2/19$1,856
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:55 pmBWI - USM
2 stops39h 15mMultiple Airlines
Sat 9/61:30 pmUSM - BWI
2 stops38h 17mMultiple Airlines
Deal found 2/19$1,869
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:50 pmBWI - USM
3 stops61h 25mSingapore Airlines
Sat 9/61:30 pmUSM - BWI
2 stops38h 17mSingapore Airlines
Deal found 2/19$2,112
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/312:29 pmDCA - USM
2 stops43h 06mMultiple Airlines
Thu 7/1710:55 amUSM - DCA
2 stops45h 00mMultiple Airlines
Deal found 2/19$2,131
This KAYAK deal was found by Cheapflights users on 2/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1810:59 amBWI - USM
2 stops44h 36mCathay Pacific
Sat 4/2610:55 amUSM - BWI
2 stops45h 54mCathay Pacific
Deal found 2/19$2,176
This Gurufare deal was found by Cheapflights users on 2/19. 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.
Mon 9/17:55 pmIAD - USM
2 stops59h 20mSingapore Airlines
Sat 9/64:25 pmUSM - IAD
3 stops59h 25mSingapore Airlines
Deal found 2/19$2,199
This Jetabroad deal was found by Cheapflights users on 2/19. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/129:30 pmBWI - USM
2 stops33h 45mBritish Airways
Tue 3/181:25 pmUSM - BWI
2 stops41h 20mBritish Airways
Deal found 2/19$2,464
This KAYAK deal was found by Cheapflights users on 2/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/79:05 amDCA - USM
3 stops46h 10mSingapore Airlines
Thu 6/191:30 pmUSM - DCA
2 stops42h 25mSingapore Airlines
Deal found 2/20$3,110
This business-class.com deal was found by Cheapflights users on 2/19. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:35 pmIAD - USM
3 stops39h 10mLufthansa
Sat 3/291:25 pmUSM - IAD
2 stops37h 25mLufthansa
Deal found 2/19$9,029

Find flights from Maryland to Koh Samui within your budget

Customize your flight search to find flights from Maryland 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Maryland

Fly to

Koh Samui

Route

Depart

Return

Price

Washington, D.C.Koh Samui

IAD - USM

IADUSM

Washington, D.C. Dulles Intl

Wed 3/12

9:05 pm-6:15 pm

2 stops34h 10m

Ko Samui

Tue 3/18

11:40 am-9:20 am

2 stops32h 40m

$1,307

Washington, D.C.Koh Samui

IAD - USM

IADUSM

Washington, D.C. Dulles Intl

Tue 6/17

12:30 pm-6:15 pm

2 stops42h 45m

Ko Samui

Fri 7/4

1:30 pm-10:45 am

2 stops32h 15m

$1,726

Washington, D.C.Koh Samui

DCA - USM

DCAUSM

Washington, D.C. Reagan-National

Sat 4/5

11:40 am-6:35 pm

2 stops43h 55m

Ko Samui

Sat 4/12

10:55 am-9:29 am

2 stops33h 34m

$1,856

Washington, D.C.Koh Samui

DCA - USM

DCAUSM

Washington, D.C. Reagan-National

Thu 7/3

12:29 pm-6:35 pm

2 stops43h 06m

Ko Samui

Thu 7/17

10:55 am-8:55 pm

2 stops45h 00m

$2,131

BaltimoreKoh Samui

BWI - USM

BWIUSM

Baltimore/Washington

Fri 4/18

10:59 am-6:35 pm

2 stops44h 36m

Ko Samui

Sat 4/26

10:55 am-9:49 pm

2 stops45h 54m

$2,176

BaltimoreKoh Samui

BWI - USM

BWIUSM

Baltimore/Washington

Thu 3/20

9:30 pm-6:15 pm

2 stops33h 45m

Ko Samui

Wed 3/26

1:25 pm-7:45 pm

2 stops41h 20m

$2,500

Washington, D.C.Koh Samui

IAD - USM

IADUSM

Washington, D.C. Dulles Intl

Sun 6/8

7:25 pm-9:10 pm

3 stops62h 45m

Ko Samui

Thu 6/19

1:30 pm-4:50 pm

2 stops38h 20m

$3,069

Washington, D.C.Koh Samui

DCA - USM

DCAUSM

Washington, D.C. Reagan-National

Sat 6/7

9:05 am-6:15 pm

3 stops46h 10m

Ko Samui

Thu 6/19

1:30 pm-8:55 pm

2 stops42h 25m

$3,110

BaltimoreKoh Samui

BWI - USM

BWIUSM

Baltimore/Washington

Fri 3/7

5:20 pm-6:15 pm

2 stops36h 55m

Ko Samui

Wed 3/19

1:25 pm-5:29 am

3 stops51h 04m

$3,241

Washington, D.C.Koh Samui

IAD - USM

IADUSM

Washington, D.C. Dulles Intl

Fri 5/23

11:00 am-7:20 am

2 stops33h 20m

Ko Samui

Sat 5/31

9:30 pm-3:40 pm

2 stops29h 10m

$5,833

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 20 results
1
2

Best time to book a flight from Maryland to Koh Samui

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

Travel insights for flights from Maryland to Koh Samui

Get recent, data-driven insights about flights from Maryland to Koh Samui including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from MD to USM?

Find hourly flight availability from Maryland to Koh Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maryland to Koh Samui as you normally would.

Rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Koh 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 Koh Samui when rainfall is around 2.3 in.

Temperature in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Koh 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 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 February 20, 2025.
See what other customers who have flown with Singapore Airlines, Cathay Pacific and Qatar Airways from Maryland to Koh Samui have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,299 reviews

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Singapore Airlines
8.1
Very good
1,299 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Cathay Pacific
7.5
Good
821 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Qatar Airways
7.4
Good
3,609 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Turkish Airlines
7.3
Good
3,832 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Lufthansa
6.7
Okay
6,984 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Related info for your journey

Find useful and relevant information for your journey from Maryland 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 Maryland?

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

  • What are the cheapest airlines to fly from Maryland to Koh Samui one-way?

    The cheapest airline one-way is Qatar Airways, with whom users have recently found tickets for as low as $640. However, be on the lookout for offers from Cathay Pacific and Singapore Airlines, as they are both options that can get you from Maryland to Koh Samui for a low price.

  • What are the most popular routes from Maryland to Koh Samui?

    Most travelers choose Washington, D.C. Dulles Intl - Ko Samui, Baltimore/Washington - Ko Samui or Washington, D.C. Reagan-National - Ko Samui when deciding on the best route from Maryland to Koh Samui.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland 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.

See more FAQs

Traveling to a place near Maryland?

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

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Alternative routes for Maryland to Koh Samui

See prices for flight routes from nearby airports that may be better suited for you.
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