DCA - USM

฿64,808 Find Cheap Flights from Reagan Washington National Airport to Ko Samui

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Reagan-National to Ko Samui departing on 2/6. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Ko Samui

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Ko Samui, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Ko Samui, as well as popular online travel agencies
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Everything you should know

Cheapest return fare
฿64,808
Cathay Pacific
Mon 22/6Mon 29/6
DCA - USM • 2 stops
Cheapest one-way flight
฿59,690
Cathay Pacific
Tue 2/6
DCA - USM • 2 stops
Avoid delays
American Airlines
Most punctual • 77% on-time
Morning flights
Best time • Fewest delays
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Ko Samui!
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Booking Insights
Flight Deals

Cheap Flights from Reagan-National to Ko Samui (DCA-USM)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Reagan-National to Ko Samui that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Reagan-National to Ko Samui

Mon 22 Jun - Mon 29 Jun
Cathay Pacific Logo
11:35 - 19:40
DCA
-
USM
45h 05m
2 stops
Cathay Pacific Logo
11:55 - 17:59
USM
-
DCA
41h 04m
2 stops
฿64,808Cathay Pacific
Sat 27 Jun - Tue 7 Jul
Cathay Pacific Logo
11:35 - 19:40
DCA
-
USM
45h 05m
2 stops
Cathay Pacific Logo
11:55 - 20:59
USM
-
DCA
44h 04m
2 stops
฿67,449Cathay Pacific
Sun 28 Jun - Tue 7 Jul
Cathay Pacific Logo
11:35 - 19:40
DCA
-
USM
45h 05m
2 stops
Cathay Pacific Logo
11:55 - 20:59
USM
-
DCA
44h 04m
2 stops
฿70,481Cathay Pacific
Tue 4 Aug - Sat 8 Aug
Cathay Pacific Logo
06:30 - 19:40
DCA
-
USM
26h 10m
2 stops
Cathay Pacific Logo
11:55 - 20:59
USM
-
DCA
44h 04m
2 stops
฿78,207Cathay Pacific
Sat 27 Jun - Mon 6 Jul
Cathay Pacific Logo
11:35 - 19:40
DCA
-
USM
45h 05m
2 stops
Cathay Pacific Logo
11:55 - 17:59
USM
-
DCA
41h 04m
2 stops
฿79,870Cathay Pacific
Booking Insights

KAYAK's insights & trends for Reagan-National to Ko Samui flights

Get data-powered insights and trends into flights from Reagan-National to Ko Samui to help you find the cheapest flights, the best time to fly and much more.

How often are flights from Washington, D.C. to Ko Samui delayed?

Weekly flights between Washington, D.C. and Ko Samui historically see delays in approximately 24% of cases, with the average delay over the past year being 130 minutes.

What is the most punctual flight time for Washington, D.C. to Ko Samui flights?

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

What day of the week experiences the fewest flight delays on this route?

Statistically, Saturday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

Which airline has the best punctuality record on Washington, D.C. to Ko Samui flights?

Based on our data, American Airlines have experienced the fewest delays on this route in the past 12 months, with only about 23% of their flights encountering any delays.

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Good to know

Cheapest flight฿59,690
Flight from Reagan Washington National Airport to Ko Samui

When to book flights from Reagan-National to Ko Samui

Are your dates flexible? Find out the best times to travel from Reagan-National to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Reagan Washington National Airport to Ko Samui flights

  • What is the cheapest flight from Washington, D.C. Reagan-National Airport to Ko Samui?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to Ko Samui was ฿59,690 for a one-way ticket and ฿64,808 for a return.

  • Which airports will I be using when flying from Reagan Washington National Airport to Ko Samui?

    Reagan Washington National Airport airport is called Washington, D.C. Reagan-National and the only airport in Ko Samui is Ko Samui.

  • Which aircraft models fly most regularly from Reagan Washington National Airport to Ko Samui?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport to Ko 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 Reagan Washington National Airport to Ko Samui.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Reagan Washington National Airport to Ko Samui?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from Reagan Washington National Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Reagan Washington National Airport to Ko Samui?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Ko Samui with an airline and back to Reagan Washington National Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Reagan Washington National Airport to Ko 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 Ko Samui from Reagan Washington National Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Reagan-National to Ko Samui

Information on your arrival and departure airports

Reagan Washington National Airport (DCA)
Ko Samui (USM)