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Ko Samui

$1,051+ Cheap flights from Maryland 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — USM
abr. 27 — may. 41
dom. 4/27
dom. 5/4
1 adult, Economy
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Cheap flight deals from Maryland to Ko Samui

Keep the following information in mind while searching for Maryland to Ko Samui flight deals. Data was last updated abril 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,252
(FlightHub)

One-way from

$1,051
(FlightHub)
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 Ko Samui

Cheapest flights from Maryland to Ko Samui
Explore the most affordable flight options available from Maryland to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 22, 2025.

This FlightHub deal was found by Cheapflights users on 4/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/19:40 pmIAD - USM
2 stops23h 35mTurkish Airlines
dom. 9/79:00 pmUSM - IAD
2 stops33h 45mTurkish Airlines
Deal found 4/20$1,253
This Mytrip deal was found by Cheapflights users on 4/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/136:26 amBWI - USM
3 stops38h 24mMultiple Airlines
mar. 9/236:25 pmUSM - BWI
3 stops37h 37mMultiple Airlines
Deal found 4/21$1,467
This Mytrip deal was found by Cheapflights users on 4/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1311:00 amIAD - USM
3 stops33h 50mMultiple Airlines
mar. 9/239:00 pmUSM - IAD
3 stops35h 05mMultiple Airlines
Deal found 4/21$1,504
This KAYAK deal was found by Cheapflights users on 4/21. 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.
sáb. 11/298:05 pmIAD - USM
2 stops31h 30mQatar Airways
vie. 1/306:15 pmUSM - IAD
2 stops50h 05mQatar Airways
Deal found 4/21$1,567
This Travelocity deal was found by Cheapflights users on 4/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/246:59 pmDCA - USM
2 stops60h 16mMultiple Airlines
dom. 8/311:30 pmUSM - DCA
2 stops63h 29mMultiple Airlines
Deal found 4/21$1,695
This Gurufare deal was found by Cheapflights users on 4/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/16:59 amDCA - USM
2 stops24h 36mCathay Pacific
dom. 9/710:55 amUSM - DCA
2 stops40h 24mCathay Pacific
Deal found 4/20$1,697
This Singapore Airlines deal was found by Cheapflights users on 4/21. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/67:28 pmBWI - USM
2 stops35h 47mSingapore Airlines
vie. 10/101:30 pmUSM - BWI
2 stops29h 36mSingapore Airlines
Deal found 4/21$1,792
This Gurufare deal was found by Cheapflights users on 4/21. 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.
lun. 10/612:58 pmBWI - USM
3 stops31h 22mCathay Pacific
vie. 10/1010:55 amUSM - BWI
2 stops46h 22mCathay Pacific
Deal found 4/21$1,986
This Gurufare deal was found by Cheapflights users on 4/21. 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.
mié. 10/19:00 amDCA - USM
2 stops46h 15mSingapore Airlines
vie. 10/311:25 pmUSM - DCA
2 stops42h 30mSingapore Airlines
Deal found 4/21$2,032
This British Airways deal was found by Cheapflights users on 4/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/298:30 pmBWI - USM
2 stops33h 45mBritish Airways
mar. 2/104:25 pmUSM - BWI
2 stops38h 20mBritish Airways
Deal found 4/22$2,358

Cheapflights Fare Finder

Customize your flight search to find flights from Maryland 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 abril 22, 2025.
Use the filters below to find and compare flights from Maryland to Ko Samui that are best for you.

Fly from

Maryland

Fly to

Ko Samui

Route

Depart

Return

Price

Washington, D.C.Ko Samui

IAD - USM

IADUSM

Washington, D.C. Dulles Intl

mar. 5/20

9:40 pm-10:45 am

2 stops26h 05m

Ko Samui

mar. 5/27

6:55 pm-11:45 am

2 stops27h 50m

$1,442

Washington, D.C.Ko Samui

IAD - USM

IADUSM

Washington, D.C. Dulles Intl

jue. 6/5

1:30 pm-9:35 pm

2 stops45h 05m

Ko Samui

jue. 6/12

7:00 am-11:45 am

2 stops39h 45m

$1,529

Washington, D.C.Ko Samui

DCA - USM

DCAUSM

Washington, D.C. Reagan-National

dom. 8/24

6:59 pm-6:15 pm

2 stops60h 16m

Ko Samui

dom. 8/31

1:30 pm-5:59 pm

2 stops63h 29m

$1,695

Washington, D.C.Ko Samui

DCA - USM

DCAUSM

Washington, D.C. Reagan-National

lun. 9/1

6:59 am-6:35 pm

2 stops24h 36m

Ko Samui

dom. 9/7

10:55 am-4:19 pm

2 stops40h 24m

$1,697

Washington, D.C.Ko Samui

DCA - USM

DCAUSM

Washington, D.C. Reagan-National

mié. 10/1

9:00 am-6:15 pm

2 stops46h 15m

Ko Samui

vie. 10/31

1:25 pm-8:55 pm

2 stops42h 30m

$2,032

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

jue. 6/5

8:30 pm-6:30 pm

3 stops35h 00m

Ko Samui

jue. 6/12

7:30 pm-7:28 pm

3 stops34h 58m

$2,153

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

mar. 7/1

9:20 pm-9:10 pm

2 stops36h 50m

Ko Samui

mar. 7/8

4:25 pm-7:35 pm

2 stops38h 10m

$2,704

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

mar. 7/1

6:02 pm-6:15 pm

3 stops61h 13m

Ko Samui

mar. 7/8

1:30 pm-4:55 pm

2 stops38h 25m

$3,296

Washington, D.C.Ko Samui

DCA - USM

DCAUSM

Washington, D.C. Reagan-National

jue. 8/14

9:59 am-9:15 pm

2 stops48h 16m

$1,051

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Best time to book a flight from Maryland to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko 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.

Cheapflights Insights

Everything you need to know about your flight from Maryland to Ko Samui

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

Find hourly flight availability from Maryland 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 abril 22, 2025.

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

Rainfall in Ko Samui by month

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

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

Temperature in Ko Samui by month

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

If weather is an important factor for your trip to Ko 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 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 abril 22, 2025.
Singapore Airlines
8.1
Very good
1,290 reviews

Entertainment

8.0

Crew

8.6

Food

7.7

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,290 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Entertainment

8.0

Crew

8.6

Food

7.7

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Cathay Pacific
7.5
Good
850 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Entertainment

8.0

Crew

8.6

Food

7.7

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Turkish Airlines
7.3
Good
3,773 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Entertainment

8.0

Crew

8.6

Food

7.7

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
British Airways
6.6
Okay
6,793 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Entertainment

8.0

Crew

8.6

Food

7.7

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

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

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

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland 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.

See more FAQs

Traveling to a place near Maryland?

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

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