Cheap flights from Dulles Intl (IAD) to Koh Samui (USM) from $1,365
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/23. 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.
Cheap flight deals from Dulles Intl to Koh Samui
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Koh Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 8, 2024.
Round-trip from | $1,045 |
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What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Koh Samui?
Flights from Washington, D.C. Dulles Intl Airport to Koh Samui are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Koh Samui.
When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Koh Samui (IAD - USM)?
It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Koh Samui at noon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.
Cheap Turkish Airlines flights from Dulles Intl to Koh Samui
Explore cheap flight options specifically provided by Turkish Airlines for the route between Dulles Intl and Koh Samui. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Peruse some of the lowest-priced Turkish Airlines flights we've found from Washington, D.C. to Koh Samui. Come back soon if you're not finding the exact deal you're looking for.
Cheap Singapore Airlines flights from Dulles Intl to Koh Samui
Explore cheap flight options specifically provided by Singapore Airlines for the route between Dulles Intl and Koh Samui. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Some of the best deals we've found on Singapore Airlines flights traveling from Washington, D.C. to Koh Samui. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Cheap Dulles Intl to Koh Samui flights in May & June 2024
Find cheap flight options from Dulles Intl to Koh Samui specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.
Scroll through some of the best deals on flights from Washington, D.C. to Koh Samui in 2024. Check back regularly for other flight deals.
Dulles Intl to Koh Samui 2024 flight deals
Discover exclusive flight deals for travel between Dulles Intl and Koh Samui in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Scroll through some of the best deals on flights from Washington, D.C. to Koh Samui in 2024. Check back regularly for other flight deals.
Find flights from Dulles Intl to Koh Samui within your budget
Customize your flight search to find flights from Dulles Intl to Koh 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, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Fly from
Fly to
Budget
$1,365 - $2,534
Route
Depart
Return
Price
Washington, D.C. Dulles IntlKo Samui
IAD - USM
IADUSM
Washington, D.C. Dulles Intl
Thu 5/23
2 stops41h 35m
Ko Samui
Mon 6/10
2 stops30h 50m
Washington, D.C. Dulles IntlKo Samui
IAD - USM
IADUSM
Washington, D.C. Dulles Intl
Sat 5/25
2 stops38h 20m
Ko Samui
Mon 6/10
2 stops31h 20m
Washington, D.C. Dulles IntlKo Samui
IAD - USM
IADUSM
Washington, D.C. Dulles Intl
Thu 5/23
2 stops33h 30m
Ko Samui
Mon 6/10
2 stops33h 45m
Washington, D.C. Dulles IntlKo Samui
IAD - USM
IADUSM
Washington, D.C. Dulles Intl
Thu 8/22
2 stops25h 20m
Ko Samui
Thu 8/29
2 stops60h 15m
Washington, D.C. Dulles IntlKo Samui
IAD - USM
IADUSM
Washington, D.C. Dulles Intl
Fri 7/19
2 stops29h 40m
Ko Samui
Sat 7/27
2 stops41h 25m
Washington, D.C. Dulles IntlKo Samui
IAD - USM
IADUSM
Washington, D.C. Dulles Intl
Fri 5/24
2 stops26h 40m
Ko Samui
Mon 6/10
2 stops32h 30m
Washington, D.C. Dulles IntlKo Samui
IAD - USM
IADUSM
Washington, D.C. Dulles Intl
Thu 5/23
2 stops26h 40m
Ko Samui
Mon 6/10
3 stops29h 35m
Washington, D.C. Dulles IntlKo Samui
IAD - USM
IADUSM
Washington, D.C. Dulles Intl
Thu 8/22
3 stops64h 37m
Ko Samui
Thu 8/29
2 stops38h 03m
Washington, D.C. Dulles IntlKo Samui
IAD - USM
IADUSM
Washington, D.C. Dulles Intl
Tue 7/30
2 stops32h 35m
Ko Samui
Tue 8/20
2 stops39h 05m
When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Koh Samui?
Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Koh Samui. Price data was last updated on May 5, 2024.
Average price of flights to Koh Samui by month
Plan your trip from Dulles Intl to Koh Samui by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Koh Samui is currently $0 while a round-trip flight costs $1,731. Price data was last updated on May 5, 2024.
Temperature and rainfall in Koh Samui by month
Plan your trip to Koh Samui by taking into account the average temperature and rainfall totals by month.
USM Temperature | 80.6 - 84.2 °F |
|---|
Reviews of airlines servicing Koh Samui
Get insights into the airlines that provide service to Koh Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Koh Samui. Reviews last updated May 8, 2024.
Peruse reviews from past customers who have flown with Turkish Airlines, Singapore Airlines and British Airways from Washington, D.C. to Koh Samui to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.
Related info for your journey
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Alternative routes for Dulles Intl to Koh SamuiSee prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Dulles Intl to Koh Samui
Discover the top airline that operate flights from Dulles Intl to Koh Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Search flights from Dulles Intl to Koh Samui by cabin class
Find flights from Dulles Intl to Koh Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from Dulles Intl to Koh Samui?
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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Koh Samui from Dulles Intl.
Can Cheapflights find flights from Dulles Intl to Koh Samui with no change fees?
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Yes! Start tracking prices for Dulles Intl to Koh Samui flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.