Which airports can I use when flying from Baltimore to Ko Samui?

Flights from Baltimore to Ko Samui usually depart from Baltimore/Washington (BWI) and arrive at Ko Samui (USM).

Can I save money by using flexible dates for flights from Baltimore to Ko Samui?

On the Baltimore to Ko Samui route, being flexible with your departure day can save you up to 32%. Sunday is the cheapest day at $1,661 round-trip on average, while Monday is the most expensive at $2,431: a $770 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Ko Samui?

Some of the most popular sights in Ko Samui are Lamai Beach, Chaweng Beach and Fishermans Village. These are among the most viewed places in Ko Samui on KAYAK.

Do I need a passport to fly from Baltimore to Ko Samui?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Baltimore to Ko Samui changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,213 to $4,851. That means the highest observed fare was about 4x higher than the lowest one.

What is the time difference between Baltimore and Ko Samui?

Ko Samui is 11 hours ahead of Baltimore (Indochina Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Ko Samui Airport (USM)?

Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include: · Drive Car Rental · Alamo · Sixt · Enterprise Rent-A-Car · Hertz

Cheap Flights from Baltimore to Ko Samui | KAYAK

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Cheapest round-trip

$1,213

Typical prices: $1,661-$2,431

Multiple Airlines

Thu 10/18Wed 10/24

BWI - USM • 2 stops

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Flight Deals

Cheap Flights from Baltimore to Ko Samui (BWI-USM)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Baltimore to Ko Samui

Sun, Oct 18 - Sat, Oct 24

7:14 pm - 7:40 pmBWI Baltimore/Washington-USM Ko Samui

37h 26m2 stops Dallas/Fort Worth Hong Kong Intl

11:55 am - 12:16 amUSM Ko Samui-BWI Baltimore/Washington

47h 21m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,213Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

7:17 am - 8:35 amBWI Baltimore/Washington-USM Ko Samui

38h 18m3 stops Chicago O'Hare Intl Tokyo Narita Bangkok Suvarnabhumi

6:25 pm - 7:26 pmUSM Ko Samui-BWI Baltimore/Washington

36h 01m3 stops Bangkok Suvarnabhumi Tokyo Haneda Dallas/Fort Worth

$1,320Multiple Airlines

Thu, Oct 8 - Sun, Oct 18

11:40 am - 7:40 pmBWI Baltimore/Washington-USM Ko Samui

45h 00m2 stops Chicago O'Hare Intl Hong Kong Intl

11:55 am - 12:24 amUSM Ko Samui-BWI Baltimore/Washington

47h 29m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,322Cathay Pacific

Mon, Oct 12 - Mon, Oct 19

4:04 pm - 7:40 pmBWI Baltimore/Washington-USM Ko Samui

40h 36m2 stops Dallas/Fort Worth Hong Kong Intl

7:50 am - 3:06 pmUSM Ko Samui-BWI Baltimore/Washington

42h 16m3 stops Bangkok Suvarnabhumi Hong Kong Intl Dallas/Fort Worth

$1,468Multiple Airlines

Thu, Oct 15 - Mon, Nov 23

7:02 am - 1:10 pmBWI Baltimore/Washington-USM Ko Samui

43h 08m3 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

2:05 pm - 5:40 amUSM Ko Samui-BWI Baltimore/Washington

27h 35m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,488Multiple Airlines

Thu, Sep 17 - Sun, Sep 27

7:31 pm - 7:40 pmBWI Baltimore/Washington-USM Ko Samui

37h 09m2 stops Dallas/Fort Worth Hong Kong Intl

11:55 am - 9:56 pmUSM Ko Samui-BWI Baltimore/Washington

45h 01m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,499Multiple Airlines

Thu, Sep 17 - Sun, Sep 27

7:31 pm - 7:40 pmBWI Baltimore/Washington-USM Ko Samui

37h 09m2 stops Dallas/Fort Worth Hong Kong Intl

11:55 am - 9:56 pmUSM Ko Samui-BWI Baltimore/Washington

45h 01m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,594Cathay Pacific

Mon, Oct 12 - Mon, Oct 19

7:14 pm - 7:40 pmBWI Baltimore/Washington-USM Ko Samui

37h 26m2 stops Dallas/Fort Worth Hong Kong Intl

11:55 am - 12:24 amUSM Ko Samui-BWI Baltimore/Washington

47h 29m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,647Cathay Pacific

Thu, Oct 1 - Thu, Oct 8

6:50 pm - 6:15 pmBWI Baltimore/Washington-USM Ko Samui

36h 25m2 stops San Francisco Singapore Changi

1:30 pm - 7:20 amUSM Ko Samui-BWI Baltimore/Washington

28h 50m2 stops Singapore Changi San Francisco

$2,223Multiple Airlines

Mon, Nov 9 - Tue, Nov 17

6:55 pm - 9:05 pmBWI Baltimore/Washington-USM Ko Samui

38h 10m2 stops London Heathrow Singapore Changi

4:25 pm - 5:05 pmUSM Ko Samui-BWI Baltimore/Washington

36h 40m2 stops Singapore Changi London Heathrow

$2,299British Airways

Booking Insights

Price, demand and travel trends for Baltimore to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Baltimore to Ko Samui with more confidence.

What is the cheapest airline to fly from Baltimore to Ko Samui?

Cathay Pacific ($1,322) and British Airways ($2,299) are the cheapest airlines to fly round-trip from Baltimore to Ko Samui according to KAYAK data over the last 5 days.

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Expert advice

Our travel experts

Daniel Scheffler

Expert on Sun Country Air

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Stefanie Waldek

Expert on Delta and WestJet

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Cheapest flight	$1,213

Flight from Baltimore to Ko Samui

When to book flights from Baltimore to Ko Samui

Are your dates flexible? Find out the best times to travel from Baltimore to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Baltimore to Ko Samui?
Flights from Baltimore to Ko Samui usually depart from Baltimore/Washington (BWI) and arrive at Ko Samui (USM).
Can I save money by using flexible dates for flights from Baltimore to Ko Samui?
On the Baltimore to Ko Samui route, being flexible with your departure day can save you up to 32%. Sunday is the cheapest day at $1,661 round-trip on average, while Monday is the most expensive at $2,431: a $770 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What popular places can I visit in Ko Samui?
Some of the most popular sights in Ko Samui are Lamai Beach, Chaweng Beach and Fishermans Village. These are among the most viewed places in Ko Samui on KAYAK.
Do I need a passport to fly from Baltimore to Ko Samui?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Baltimore to Ko Samui changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,213 to $4,851. That means the highest observed fare was about 4x higher than the lowest one.
What is the time difference between Baltimore and Ko Samui?
Ko Samui is 11 hours ahead of Baltimore (Indochina Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Ko Samui Airport (USM)?
Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
· Drive Car Rental
· Alamo
· Sixt
· Enterprise Rent-A-Car
· Hertz

If your dates can be flexible, aim for a Sunday departure instead of Monday. On this route, Sunday flights average $1,661 - about $770 less than Monday (32% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.
- Ozo Chaweng Samui - Sha Extra Plus
- Amari Koh Samui
- Lub d Koh Samui Chaweng Beach - Beachfront & Vibrant Social Vibe

Everything you need to know for your flight from Baltimore to Ko Samui

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Ko Samui (USM)

BWI - USM

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