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Cheap flights from Baltimore to Ko Samui from $1,494

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 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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.
Multiple Airlines Logo
6:05 am - 9:10 pm
BWI
-
USM
28h 05m
2 stops
Multiple Airlines Logo
1:30 pm - 7:20 am
USM
-
BWI
28h 50m
2 stops
$1,494Multiple Airlines
Wed, May 6 - Thu, May 14
Multiple Airlines Logo
6:05 am - 9:10 pm
BWI
-
USM
28h 05m
2 stops
Multiple Airlines Logo
1:30 pm - 11:37 am
USM
-
BWI
33h 07m
2 stops
$1,496Multiple Airlines
Thu, Apr 9 - Tue, Apr 21
Multiple Airlines Logo
6:05 am - 9:10 pm
BWI
-
USM
28h 05m
2 stops
Multiple Airlines Logo
1:30 pm - 11:37 am
USM
-
BWI
33h 07m
2 stops
$1,675Multiple Airlines
Fri, Apr 10 - Wed, Apr 22
Multiple Airlines Logo
7:16 pm - 9:10 pm
BWI
-
USM
38h 54m
2 stops
Multiple Airlines Logo
1:30 pm - 5:08 pm
USM
-
BWI
38h 38m
2 stops
$2,043Multiple Airlines
Fri, Apr 24 - Mon, May 4
Multiple Airlines Logo
6:30 am - 9:10 pm
BWI
-
USM
27h 40m
2 stops
Multiple Airlines Logo
11:55 am - 7:10 am
USM
-
BWI
30h 15m
2 stops
$2,230Multiple Airlines
Tue, Jun 2 - Wed, Jul 29
British Airways Logo
9:35 pm - 6:15 pm
BWI
-
USM
33h 40m
2 stops
British Airways Logo
1:30 pm - 7:40 pm
USM
-
BWI
41h 10m
2 stops
$2,552British Airways
Sun, Apr 12 - Sun, Apr 19
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
$2,647British Airways
Wed, Apr 15 - Wed, Apr 22
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
$2,757British Airways
Wed, Jun 17 - Thu, Aug 20
British Airways Logo
9:35 pm - 6:15 pm
BWI
-
USM
57h 40m
2 stops
British Airways Logo
7:10 pm - 7:40 pm
USM
-
BWI
35h 30m
2 stops
$3,019British Airways
Sun, Jun 7 - Fri, Jun 26
British Airways Logo
9:30 pm - 6:15 pm
BWI
-
USM
57h 45m
2 stops
British Airways Logo
4:25 pm - 7:40 pm
USM
-
BWI
38h 15m
2 stops
$3,148British Airways
Tue, Apr 7 - Tue, Apr 21

British Airways flights from Baltimore to Ko Samui

Our best British Airways deals on Baltimore to Ko Samui flight tickets
British Airways
Apr 12
BWI9:35 pmBaltimore/Washington
33h 40m
2 stops
USM6:15 pmKo Samui
Apr 19
USM1:30 pmKo Samui
41h 10m
2 stops
BWI7:40 pmBaltimore/Washington
$2,552
British Airways
Apr 15
BWI9:30 pmBaltimore/Washington
33h 45m
2 stops
USM6:15 pmKo Samui
Apr 22
USM4:25 pmKo Samui
38h 15m
2 stops
BWI7:40 pmBaltimore/Washington
$2,647
British Airways
Jun 17
BWI9:30 pmBaltimore/Washington
33h 45m
2 stops
USM6:15 pmKo Samui
Aug 20
USM4:25 pmKo Samui
38h 15m
2 stops
BWI7:40 pmBaltimore/Washington
$2,757

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 March 2, 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

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Wed 5/6

6:05 am-9:10 pm

2 stops28h 05m

Ko Samui

Thu 5/14

1:30 pm-7:20 am

2 stops28h 50m

$1,494

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Thu 4/9

6:05 am-9:10 pm

2 stops28h 05m

Ko Samui

Tue 4/21

1:30 pm-11:37 am

2 stops33h 07m

$1,496

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Fri 4/10

6:05 am-9:10 pm

2 stops28h 05m

Ko Samui

Wed 4/22

1:30 pm-11:37 am

2 stops33h 07m

$1,675

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Fri 4/24

7:16 pm-9:10 pm

2 stops38h 54m

Ko Samui

Mon 5/4

1:30 pm-5:08 pm

2 stops38h 38m

$2,043

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Tue 6/2

6:30 am-9:10 pm

2 stops27h 40m

Ko Samui

Wed 7/29

11:55 am-7:10 am

2 stops30h 15m

$2,230

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Sun 4/12

9:35 pm-6:15 pm

2 stops33h 40m

Ko Samui

Sun 4/19

1:30 pm-7:40 pm

2 stops41h 10m

$2,552

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Wed 4/15

9:30 pm-6:15 pm

2 stops33h 45m

Ko Samui

Wed 4/22

4:25 pm-7:40 pm

2 stops38h 15m

$2,647

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Wed 6/17

9:30 pm-6:15 pm

2 stops33h 45m

Ko Samui

Thu 8/20

4:25 pm-7:40 pm

2 stops38h 15m

$2,757

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Sun 6/7

9:35 pm-6:15 pm

2 stops57h 40m

Ko Samui

Fri 6/26

7:10 pm-7:40 pm

2 stops35h 30m

$3,019

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Tue 4/7

9:30 pm-6:15 pm

2 stops57h 45m

Ko Samui

Tue 4/21

4:25 pm-7:40 pm

2 stops38h 15m

$3,148

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

What is the cheapest day to depart on your flight to Ko Samui?

Our data shows that Wednesday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $325. Flights from Baltimore to Ko Samui on a Sunday will generally be more expensive and average around $714. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Baltimore to Ko Samui flights are usually those with departure times in the evening. Our users have found flights to Ko Samui in the evening for as low as $286. At noon is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $399 per ticket.

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

27h 40m

Direct flights

None
The fastest flight from Baltimore to Ko Samui takes 27h 40m
There are no direct flights from Baltimore to Ko Samui. There are no popular flight routes from Baltimore to Ko Samui.
Search flight deals

  • 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 27h 40m, 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 Tao
Ko Pha Ngan
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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