What is the cheapest airline that flies from Baltimore/Washington to Ko Samui?

Cathay Pacific and Singapore Airlines are the most popular carriers operating from Baltimore/Washington to Ko Samui

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.

$47 Cheap Flights from Baltimore to Ko Samui in 2025

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Baltimore to Ko Samui

Round-trip

One-way

Cheap round-trip flights

5:45 am - 7:35 amBWI-USM

38h 50m3 stops

7:00 am - 7:01 amUSM-BWI

35h 01m3 stops

$1,484

Find Deal

Sun, Sep 7 - Tue, Sep 23

11:23 am - 6:35 pmBWI-USM

44h 12m2 stops

10:55 am - 10:42 pmUSM-BWI

46h 47m2 stops

$1,867Cathay Pacific

Find Deal

Wed, Sep 17 - Tue, Sep 30

7:28 pm - 6:15 pmBWI-USM

35h 47m2 stops

4:25 pm - 6:57 pmUSM-BWI

61h 32m3 stops

$2,024Singapore Airlines

Find Deal

Wed, Oct 1 - Fri, Oct 31

6:55 pm - 6:15 pmBWI-USM

60h 20m2 stops

1:30 pm - 5:07 pmUSM-BWI

38h 37m2 stops

$2,099Singapore Airlines

Find Deal

Thu, Sep 18 - Mon, Sep 22

7:28 pm - 6:15 pmBWI-USM

35h 47m2 stops

4:25 pm - 5:57 pmUSM-BWI

60h 32m2 stops

$2,143Singapore Airlines

Find Deal

Sat, Oct 4 - Sat, Oct 25

6:55 pm - 9:10 pmBWI-USM

63h 15m2 stops

1:30 pm - 5:07 pmUSM-BWI

62h 37m3 stops

$2,213Singapore Airlines

Find Deal

Thu, Sep 18 - Mon, Sep 22

6:55 pm - 9:10 pmBWI-USM

39h 15m2 stops

1:30 pm - 5:07 pmUSM-BWI

38h 37m2 stops

$2,310Singapore Airlines

Find Deal

Thu, Sep 18 - Mon, Sep 22

6:55 pm - 6:15 pmBWI-USM

60h 20m2 stops

4:25 pm - 5:07 pmUSM-BWI

59h 42m3 stops

$2,556Singapore Airlines

Find Deal

Thu, Sep 18 - Mon, Sep 22

9:35 pm - 9:10 pmBWI-USM

36h 35m2 stops

4:25 pm - 7:45 pmUSM-BWI

38h 20m2 stops

$2,651British Airways

Find Deal

Sun, Sep 7 - Tue, Sep 23

9:35 pm - 9:10 pmBWI-USM

36h 35m2 stops

1:30 pm - 7:45 pmUSM-BWI

41h 15m2 stops

$6,151British Airways

Find Deal

Wed, Oct 22 - Sat, Oct 25

Singapore Airlines flights from Baltimore to Ko Samui

Our best Singapore Airlines deals on Baltimore to Ko Samui flight tickets

Singapore Airlines

Oct 1

BWI7:28 pmBaltimore/Washington

35h 47m

2 stops

USM6:15 pmKo Samui

Oct 31

USM4:25 pmKo Samui

61h 32m

3 stops

BWI6:57 pmBaltimore/Washington

$2,024

Find similar

Singapore Airlines

Sep 18

BWI6:55 pmBaltimore/Washington

60h 20m

2 stops

USM6:15 pmKo Samui

Sep 22

USM1:30 pmKo Samui

38h 37m

2 stops

BWI5:07 pmBaltimore/Washington

$2,099

Find similar

Singapore Airlines

Oct 4

BWI7:28 pmBaltimore/Washington

35h 47m

2 stops

USM6:15 pmKo Samui

Oct 25

USM4:25 pmKo Samui

60h 32m

2 stops

BWI5:57 pmBaltimore/Washington

$2,143

Find similar

British Airways flights from Baltimore to Ko Samui

Our best British Airways deals on Baltimore to Ko Samui flight tickets

British Airways

Sep 7

BWI9:35 pmBaltimore/Washington

36h 35m

2 stops

USM9:10 pmKo Samui

Sep 23

USM4:25 pmKo Samui

38h 20m

2 stops

BWI7:45 pmBaltimore/Washington

$2,651

Find similar

British Airways

Oct 22

BWI9:35 pmBaltimore/Washington

36h 35m

2 stops

USM9:10 pmKo Samui

Oct 25

USM1:30 pmKo Samui

41h 15m

2 stops

BWI7:45 pmBaltimore/Washington

$6,151

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Sun 9/7

5:45 am-7:35 am

3 stops38h 50m

Ko Samui

Tue 9/23

7:00 am-7:01 am

3 stops35h 01m

$1,484

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Wed 9/17

11:23 am-6:35 pm

2 stops44h 12m

Ko Samui

Tue 9/30

10:55 am-10:42 pm

2 stops46h 47m

$1,867

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Wed 10/1

7:28 pm-6:15 pm

2 stops35h 47m

Ko Samui

Fri 10/31

4:25 pm-6:57 pm

3 stops61h 32m

$2,024

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Thu 9/18

6:55 pm-6:15 pm

2 stops60h 20m

Ko Samui

Mon 9/22

1:30 pm-5:07 pm

2 stops38h 37m

$2,099

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Sat 10/4

7:28 pm-6:15 pm

2 stops35h 47m

Ko Samui

Sat 10/25

4:25 pm-5:57 pm

2 stops60h 32m

$2,143

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Thu 9/18

6:55 pm-9:10 pm

2 stops63h 15m

Ko Samui

Mon 9/22

1:30 pm-5:07 pm

3 stops62h 37m

$2,213

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Thu 9/18

6:55 pm-9:10 pm

2 stops39h 15m

Ko Samui

Mon 9/22

1:30 pm-5:07 pm

2 stops38h 37m

$2,310

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Thu 9/18

6:55 pm-6:15 pm

2 stops60h 20m

Ko Samui

Mon 9/22

4:25 pm-5:07 pm

3 stops59h 42m

$2,556

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Sun 9/7

9:35 pm-9:10 pm

2 stops36h 35m

Ko Samui

Tue 9/23

4:25 pm-7:45 pm

2 stops38h 20m

$2,651

BaltimoreKo Samui

BWI - USM

BWIUSM

Baltimore/Washington

Wed 10/22

9:35 pm-9:10 pm

2 stops36h 35m

Ko Samui

Sat 10/25

1:30 pm-7:45 pm

2 stops41h 15m

$6,151

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

Best Price Found	$598
Fastest flight time	33h 55m
Direct flights	None
Airports in Ko Samui	1 airport

The best one-way flight to Ko Samui from Baltimore in the past 72 hours is $598. The best round-trip flight deal from Baltimore to Ko Samui found on momondo in the last 72 hours is $1,484.

The fastest flight from Baltimore to Ko Samui takes 33h 55m

There are no direct flights from Baltimore to Ko Samui. Popular non-direct route for this connection is Baltimore/Washington Airport - Ko Samui Airport.

There is 1 airport near Ko Samui: Ko Samui (USM)

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 35h 47m, 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.

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.