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Cheap flights from Washington Dulles Intl (IAD) to Koh Samui (USM)

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Washington Dulles Intl to Koh Samui 2020 flight deals

Cheap flights to Koh Samui from Washington Dulles Intl found for this year
30 Apr - 9 May
$882pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
1 May - 9 May
$942pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
4 May - 10 May
$984pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
     
3 STOPS
IAD
Washington Dulles Intl

Last minute flights from Washington Dulles Intl to Koh Samui

Late deals on round-trip flights to Koh Samui from Washington Dulles Intl, departing today and this week
19 Feb - 24 Feb
$1181pp
IAD
Washington Dulles Intl
Singapore Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Singapore Airlines
   
2 STOPS
IAD
Washington Dulles Intl
21 Feb - 28 Feb
$1188pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl

Alternative routes for Washington Dulles Intl to Koh Samui

Destination information for Koh Samui

Things to know before you go. Useful info for your trip from Washington Dulles Intl to Koh Samui
Today's exchange rate
$1.00 = ฿31.18
Average temperature for February in Koh Samui
84.2 °F
Avg rainfall for February in Koh Samui
2.0 ″

Airports servicing Washington

Airports servicing Ko Samui

Related info for your journey

Useful info, stats and facts about Washington Dulles Intl to Koh Samui flights.

Flight FAQs

From Washington Dulles Intl to Koh Samui

Does it rain more in Washington Dulles Intl or Koh Samui?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Washington Dulles Intl is roughly similar to Koh Samui. You can assume this to be the case over the next 13 days.

Is Washington Dulles Intl weather warmer or cooler than Koh Samui?

Our data indicates that the weather will be 91 °F on average in the month of May. The temperature in Koh Samui is typically hotter than in Washington Dulles Intl. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.