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Koh Samui

$681+ Cheap flights from Baltimore (BWI) 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 2/26. 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 Baltimore to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Koh Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,176
(KAYAK)

One-way from

$681
(Kiwi.com)
Provider with most accurate pricing for Baltimore/Washington-Ko Samui flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Ko Samui flights.
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From Baltimore/Washington to Ko Samui
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One-way flight from Baltimore/Washington to Ko Samui
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Find flight deals from Baltimore to Koh Samui

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

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 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 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

Find flights from Baltimore to Koh Samui within your budget

Customize your flight search to find flights from Baltimore 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

Baltimore

Fly to

Koh Samui

Route

Depart

Return

Price

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

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

BaltimoreKoh Samui

BWI - USM

BWIUSM

Baltimore/Washington

Wed 2/26

7:00 am-8:20 am

3 stops37h 20m

$681

BaltimoreKoh Samui

BWI - USM

BWIUSM

Baltimore/Washington

Tue 2/25

8:30 am-6:15 pm

2 stops45h 45m

$1,285

BaltimoreKoh Samui

BWI - USM

BWIUSM

Baltimore/Washington

Thu 2/27

8:30 pm-8:45 pm

2 stops36h 15m

$6,097

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Compare providers for flights from Baltimore to Koh Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Koh Samui in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Koh Samui flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Koh Samui flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Koh Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Koh Samui flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Koh Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Koh Samui

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

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

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

Find hourly flight availability from Baltimore 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.

It’s typically best to fly out from Baltimore to Koh Samui in the evening. Doing so could potentially save you 65% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Baltimore to Koh Samui?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Koh Samui. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their Baltimore to Koh Samui flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.
Singapore Airlines
8.1
Very good
1,301 reviews

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.7

Comfort

8.0

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
1,301 reviews
Singapore Airlines
8.1
Very good
1,301 reviews

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.7

Comfort

8.0

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
820 reviews
Singapore Airlines
8.1
Very good
1,301 reviews

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.7

Comfort

8.0

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.

British Airways
6.6
Okay
6,762 reviews
Singapore Airlines
8.1
Very good
1,301 reviews

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.7

Comfort

8.0

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 Baltimore to Koh Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baltimore 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.

Traveling to a place near Baltimore?

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

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