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Cheap flights from Baltimore to Ko Samui from $2,562

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Ko Samui departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Baltimore to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:30 pm - 9:10 pm
BWI
-
USM
36h 40m
2 stops
British Airways Logo
4:25 pm - 5:15 pm
USM
-
BWI
35h 50m
2 stops
$2,562British Airways
Thu, Sep 10 - Mon, Sep 14
British Airways Logo
9:30 pm - 9:10 pm
BWI
-
USM
36h 40m
2 stops
British Airways Logo
1:30 pm - 5:15 pm
USM
-
BWI
38h 45m
2 stops
$2,563British Airways
Thu, Sep 10 - Mon, Sep 14
British Airways Logo
9:30 pm - 6:15 pm
BWI
-
USM
33h 45m
2 stops
British Airways Logo
4:25 pm - 7:40 pm
USM
-
BWI
38h 15m
2 stops
$2,830British Airways
Mon, May 25 - Mon, Jun 1
British Airways Logo
9:30 pm - 9:10 pm
BWI
-
USM
36h 40m
2 stops
British Airways Logo
4:25 pm - 7:40 pm
USM
-
BWI
38h 15m
2 stops
$2,840British Airways
Mon, May 25 - Mon, Jun 1
Multiple Airlines Logo
9:30 pm - 9:10 pm
BWI
-
USM
36h 40m
2 stops
Multiple Airlines Logo
4:25 pm - 7:40 pm
USM
-
BWI
38h 15m
2 stops
$2,844Multiple Airlines
Wed, May 27 - Wed, Jun 3

British Airways flights from Baltimore to Ko Samui

Our best British Airways deals on Baltimore to Ko Samui flight tickets
British Airways
Sep 10
BWI9:30 pmBaltimore/Washington
36h 40m
2 stops
USM9:10 pmKo Samui
Sep 14
USM4:25 pmKo Samui
35h 50m
2 stops
BWI5:15 pmBaltimore/Washington
$2,562
British Airways
Sep 10
BWI9:30 pmBaltimore/Washington
36h 40m
2 stops
USM9:10 pmKo Samui
Sep 14
USM1:30 pmKo Samui
38h 45m
2 stops
BWI5:15 pmBaltimore/Washington
$2,563
British Airways
May 25
BWI9:30 pmBaltimore/Washington
33h 45m
2 stops
USM6:15 pmKo Samui
Jun 1
USM4:25 pmKo Samui
38h 15m
2 stops
BWI7:40 pmBaltimore/Washington
$2,830

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore 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, momondo users made 832,500 searches. Data last updated April 15, 2026.
Use the filters below to find and compare flights from Baltimore to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Thu 9/10

9:30 pm-9:10 pm

2 stops36h 40m

Ko Samui

Mon 9/14

4:25 pm-5:15 pm

2 stops35h 50m

$2,562

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Thu 9/10

9:30 pm-9:10 pm

2 stops36h 40m

Ko Samui

Mon 9/14

1:30 pm-5:15 pm

2 stops38h 45m

$2,563
Quickest round-trip

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Mon 5/25

9:30 pm-6:15 pm

2 stops33h 45m

Ko Samui

Mon 6/1

4:25 pm-7:40 pm

2 stops38h 15m

$2,830

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Mon 5/25

9:30 pm-9:10 pm

2 stops36h 40m

Ko Samui

Mon 6/1

4:25 pm-7:40 pm

2 stops38h 15m

$2,840

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Wed 5/27

9:30 pm-9:10 pm

2 stops36h 40m

Ko Samui

Wed 6/3

4:25 pm-7:40 pm

2 stops38h 15m

$2,844

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ko Samui from

How to get the cheapest flight ticket from Baltimore to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How often are flights from Baltimore to Ko Samui delayed?

Historically, on average around 19% of flights between Baltimore and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 120 minutes.

What is the most punctual flight time for Baltimore to Ko Samui flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Baltimore to Ko Samui flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

When to book flights from Baltimore to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Ko Samui (BWI to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Ko Samui

Fastest flight time

33h 45m

Direct flights

None
The fastest flight from Baltimore to Ko Samui takes 33h 45m
There are no direct flights from Baltimore to Ko Samui. There are no popular flight routes from Baltimore to Ko Samui.
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Frequently asked questions about flying from Baltimore to Ko Samui

  • How far is Baltimore/Washington to Ko Samui by plane?

    The distance between Baltimore/Washington and Ko Samui is about 9051.1 mi. Flights usually cover this in 33h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Ko Samui Airport?

    Prices for flights from Baltimore/Washington Airport to Ko Samui Airport refresh daily.

  • How old do you have to be to fly from Baltimore/Washington Airport to Ko Samui Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Ko Samui?

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

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Ko Samui?

Finding the right flight to Ko Samui from Baltimore is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ko Samui quick and easy, saving you time and money.

Can I find flights from Baltimore to Ko Samui with flexible booking policies on momondo?

Yes. All flights to Ko Samui from Baltimore on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Baltimore to Ko Samui?

Once you have performed a search for Baltimore to Ko Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Baltimore to Ko Samui right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Baltimore to Ko Samui flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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