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$1,351 Find cheap flights from Maryland to Koh Samui

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight to Koh Samui departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 7/10
Wed 7/17

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In the last 7 days travelers have searched 42,898,604 times on KAYAK, and here is why:

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Cheapest flight

$1,351
Flight from Washington Dulles Airport to Koh Samui

FAQs for booking flights from Maryland to Koh Samui

  • How does KAYAK find such low prices on flights from Maryland to Koh Samui?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maryland to Koh Samui.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maryland to Koh Samui?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Koh Samui from Maryland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Maryland to Koh Samui?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Koh Samui with an airline and back to Maryland with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maryland to Koh Samui?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Koh Samui from Maryland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Maryland to Koh Samui?

Find which airlines fly direct from Maryland to Ko Samui, which days they fly and book direct flights.

Nonstop departures

Maryland to Ko Samui

Monday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Tuesday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Wednesday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Thursday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Friday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Saturday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Sunday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

See more direct flights

Nonstop returns

Ko Samui to Maryland

Monday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Tuesday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Wednesday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Thursday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Friday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Saturday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

Sunday

Air Astana, Air France, Austrian Airlines, +26 more

Air Astana, Air France, +27 more

See more direct flights
See more direct flights

Book cheap flights from Maryland to Koh Samui

Recent round-trip flight deals

11/5Tue
2 stops
25h 20mIAD-USM
11/9Sat
2 stops
30h 30mUSM-IAD
$1,351
7/9Tue
2 stopsTurkish Airlines
41h 55mIAD-USM
7/16Tue
2 stopsTurkish Airlines
31h 55mUSM-IAD
$1,690
11/5Tue
3 stops
27h 20mBWI-USM
11/9Sat
3 stops
43h 07mUSM-BWI
$1,706
11/5Tue
3 stops
33h 55mDCA-USM
11/9Sat
3 stops
27h 37mUSM-DCA
$1,857
7/9Tue
3 stops
35h 50mBWI-USM
7/16Tue
3 stops
31h 30mUSM-BWI
$2,009
11/5Tue
3 stops
27h 55mIAD-USM
11/9Sat
2 stops
28h 45mUSM-IAD
$2,085
11/5Tue
3 stops
27h 55mIAD-USM
11/9Sat
2 stops
26h 20mUSM-IAD
$2,108
7/9Tue
3 stopsQatar Airways
29h 40mDCA-USM
7/16Tue
3 stopsQatar Airways
34h 16mUSM-DCA
$2,338
7/9Tue
2 stopsCathay Pacific
43h 04mDCA-USM
7/16Tue
2 stopsCathay Pacific
40h 33mUSM-DCA
$2,565
7/9Tue
3 stopsSingapore Airlines
45h 50mDCA-USM
7/16Tue
2 stopsSingapore Airlines
42h 29mUSM-DCA
$9,514

Search by stops

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One-way flight deals

multi-stopMultiple Airlines
8508 miLAX-USM
multi-stopMultiple Airlines
8941 miJFK-USM

Search by stops

Last minute flights from Maryland to Koh Samui

Last minute flight, train and bus deals

6/12Wed
multi-stopTurkish Airlines
24h 30mIAD-USM
6/18Tue
multi-stopTurkish Airlines
35h 45mUSM-IAD
$1,753
6/11Tue
multi-stop
26h 40mIAD-USM
6/18Tue
multi-stop
25h 55mUSM-IAD
$1,824
6/13Thu
multi-stop
31h 40mIAD-USM
6/15Sat
multi-stop
29h 55mUSM-IAD
$1,852
6/14Fri
multi-stopQatar Airways
25h 15mIAD-USM
6/18Tue
multi-stopQatar Airways
25h 55mUSM-IAD
$1,890
6/13Thu
multi-stopTurkish Airlines
36h 25mIAD-USM
6/17Mon
multi-stopTurkish Airlines
30h 35mUSM-IAD
$1,893
6/13Thu
multi-stopTurkish Airlines
33h 30mIAD-USM
6/19Wed
multi-stopTurkish Airlines
36h 15mUSM-IAD
$1,896
6/11Tue
multi-stopQatar Airways
25h 15mIAD-USM
6/17Mon
multi-stopQatar Airways
25h 55mUSM-IAD
$1,913
6/12Wed
multi-stopBritish Airways
36h 55mBWI-USM
6/17Mon
multi-stopBritish Airways
41h 05mUSM-BWI
$4,236
6/12Wed
multi-stopBritish Airways
36h 55mBWI-USM
6/20Thu
multi-stopBritish Airways
38h 10mUSM-BWI
$4,293
6/12Wed
multi-stopSingapore Airlines
51h 15mIAD-USM
6/18Tue
multi-stopSingapore Airlines
48h 15mUSM-IAD
$4,372

Search by stops

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Flights to Koh Samui

Destination:

Koh Samui (USM)Thailand

Cabin classes:

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