Travelling from Washington DC to Ko Samui International Airport (USM): What you need to know
Koh Samui is 12 hours ahead of Washington DC. Ko Samui International Airport is located in Koh Samui, which follows the UTC+7 timezone.
Arrive at the airport on time so you don't miss your flight from Washington DC to USM. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.
Going away during a peak month like July? High seasons (like Thanksgiving, Christmas and New Year) can easily add another hour at security. Be extra cautious and arrive up to four hours before international flights and two hours before domestic departures.
Airports in Washington DC
Ronald Reagan Washington National Airport (DCA)
Travelling from central Washington DC to DCA takes about 25 minutes by public transport. If you ride-share, drive or get a taxi, you'll cover the 6 kilometres in 10 minutes or so, depending on traffic conditions.
Catching an early flight from Washington DC to Ko Samui International Airport? Avoid the stress of rushing to the terminal (and sneak in some bonus sleep) by choosing one of these hotels close to Ronald Reagan Washington National Airport:
71% of flights leaving from Ronald Reagan Washington National Airport touch down at their destination on time.
You'll find DCA at 1 Aviation Circle.
Washington Dulles International Airport (IAD)
IAD is around 40 kilometres from central Washington DC. It takes 45 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 1 hour 10 minutes.
Want to treat yourself to an extra night away before catching your Washington DC to USM flight? Kick back in a hotel near Washington Dulles International Airport before your adventure officially begins. These stays are expecting you:
77% of flights leaving Washington Dulles International Airport stick to their scheduled arrival time.
You'll find IAD at 1 Saarinen Circle.
Baltimore Washington International Airport (BWI)
From central Washington DC, BWI is around 48 kilometres away. It takes roughly 40 minutes to reach the airport by car and 50 minutes or so if you're on public transport.
Set yourself up for a smooth departure — stay close to Baltimore Washington International Airport and know you'll be at the terminal with time to spare. Check in to one of these hotels the day before if you've booked an early Washington DC to Ko Samui International Airport flight:
Flights that leave from BWI touch down at their destination on schedule 77% of the time.
About Ko Samui International Airport (USM)
Have a late flight from Washington DC to Ko Samui International Airport? Don't let it leave you bleary-eyed. Check in to one of these hotels near USM and give yourself a well-earned lights-out:
To get the best deal, reserve your vehicle around four weeks in advance of your Washington DC to Ko Samui International Airport flight.
Getting from Ko Samui International Airport (USM) to central Koh Samui
Ko Samui International Airport is around 11 kilometres from the centre of Koh Samui. It takes around 20 minutes or so to get to the city by car.
If you're using public transport, expect a journey of about 30 minutes.
How to find the cheapest flights from Washington DC to Ko Samui International Airport (USM)
Currently, RM3,028 is the lowest price we've found for a one-way ticket from Washington DC to Ko Samui International Airport. The cheapest price for a return flight is RM4,567. Remember fares can change due to availability at the time of booking.
Don't wait until the last minute. You're more likely to find cheap flights from Washington DC to USM if you book in advance. Airlines often offer some great early bird deals.
The 'Whole month' search tool shows you the cheapest Washington DC to Ko Samui International Airport tickets across each month. It's a great way to snap up a bargain if your dates aren't set in stone.
You don't need to check every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as a better deal comes up on plane tickets from Washington DC to USM.
Tailor your trip using filters. Select your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Washington DC to Ko Samui International Airport.
The best time to fly from Washington DC to Ko Samui International Airport (USM)
March is the quietest month for flights from Washington DC to Ko Samui International Airport (USM), while November is the busiest. Work out the ideal time to go to Koh Samui based on whether you want a lively atmosphere or a more laid-back vibe.
Lock in a Washington DC to USM plane ticket departing in May if you want to experience the city during its warmest month. Expect temperatures in Koh Samui to range from 25ºC (77ºF) to 30ºC (86ºF).
Look for cheap tickets from Washington DC to Ko Samui International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 23ºC (73ºF) and 28ºC (82ºF).
Explore more of Thailand
Nakhon Si Thammarat is just one of the many places in Thailand waiting to be explored after you've seen Koh Samui. Around 129 kilometres away to the south, well-known attractions include Wat Phra Phrom, Wat Pho Sadet and Wat Yai Chai Mongkol.
Phuket is another sought-after destination in Thailand and is around 257 kilometres southwest of Koh Samui. No trip is complete without experiencing V.MarineTour- Phi Phi Islands Day Trip - Private Boat Charters, Sunrise Beach and Paradise Beach.
