Cheap flights from IAD to KOS (Washington Dulles Intl. to Sihanoukville)

Choose two or more items and save on your trip:

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Cheap Flights from IAD to KOS starting at $1,566 One Way, Round Trip

Prices starting at for return flights and $1,566 for one-way flights to Sihanoukville were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hotel Ideas near Sihanoukville

Airport Hotels near Sihanoukville

Sok Sabay Resort
Sok Sabay Resort
3 out of 5
Otres Village 6, Sangkat 4, Sihanoukville
The price is $18 per night from May 2 to May 3
$18
per night
May 2 - May 3
Stay at this 3-star hotel in Sihanoukville. Enjoy free WiFi, free parking, and breakfast. Popular attractions Otres Beach and Ochheuteal Beach are located nearby. ...
8.8/10 Excellent! (91 reviews)
"Sok Sabay is a beautiful oasis but outside the confines is garbage and skeletons of buildings that were started then abandoned before finished. The restaurant in the resort was a real surprise with Khmer and French influences. Staff can’t do enough for you. The resort could use some maintenance but ..."

Reviewed on Feb 8, 2024

Sok Sabay Resort
Bay Of Lights Beach Club
Bay Of Lights Beach Club
Plot -69, Ream City, Ong Village, Ream,, Prey Nob, Prey Nob, Preah Sihanouk
Stay at this resort in Prey Nob. Popular attractions Elephant Rock and Ream National Park are located nearby. Discover genuine guest reviews for Bay Of Lights ...
Get rates
Bay Of Lights Beach Club
Otres Beach Hotel
Otres Beach Hotel
4.5 out of 5
Marina St, Sihanoukville, Preah Sihanouk
The price is $63 per night from Apr 30 to May 1
$63
per night
Apr 30 - May 1
Stay at this 4.5-star luxury hotel in Sihanoukville. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Otres Beach and Ochheuteal Beach ...
8.8/10 Excellent! (8 reviews)
"The hotel and staff are wonderful! I don't understand why this place is not bursting at the seams! Great place to stay, lovely restaurant."

Reviewed on Apr 20, 2024

Otres Beach Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Hotels In Sihanoukville

The Wave
The Wave
3 out of 5
Preah Sihanouk, Koh Rong Sanloem, Preah Sihanouk
The price is $61 per night from May 1 to May 2
$61
per night
May 1 - May 2
Stay at this 3-star beach hotel in Koh Rong Sanloem. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Saracen Bay Beach and Lazy Beach ...
The Wave
Six Senses Krabey Island
Six Senses Krabey Island
5 out of 5
Koh Krabey Islands, Ream Commune, Prey Nob, Preah Sihanouk
The price is $527 per night from May 29 to May 30
$527
per night
May 29 - May 30
Stay at this 5-star luxury hotel in Prey Nob. Enjoy free WiFi, free parking, and private plunge pools. Popular attractions Elephant Rock and Otres Beach are ...
9.2/10 Wonderful! (8 reviews)
Exceptional, Sustainable Luxury
"Everything about Six Senses Krabey Island met or exceeded our high expectations. The culinary offerings were great, as were the spa and fitness facilities and services. We were impressed by the commitment to sustainability and the almost miraculous ability of the hosts to anticipate and meet every ..."

Reviewed on Feb 24, 2020

Six Senses Krabey Island
Koh Russey Resort
Koh Russey Resort
4 out of 5
Bamboo Island, Prey Nob, Preah Sihanouk
The price is $119 per night from May 1 to May 2
$119
per night
May 1 - May 2
Stay at this 4-star beach hotel in Prey Nob. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Elephant Rock and Otres Beach are located ...
8.4/10 Very Good! (6 reviews)
"Has massive potential but under invested so tired and struggling with young team. The manager introduces herself on arrival, but didn’t see again and clearly not managing and assisting the young team."

Reviewed on Jan 16, 2024

Koh Russey Resort
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Map To Nearby Hotels

IAD to KOS Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
IAD Address & GPS
Address:
1 Saarinen Circle
Dulles VA, 20166
United States
IATA Code:
IAD
Longitude:
-77.447735
Latitude:
38.95315
Time Zone:
America/New_York
KOS Address & GPS
Address:
Sihanoukville ,
Cambodia
IATA Code:
KOS
Longitude:
103.639079
Latitude:
10.580739
Time Zone:
Asia/Phnom_Penh

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.