Find Cheap Flights from Washington to Ko Samui (WAS - USM)

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Looking for a cheap flight? 25% of our users found flights on this route for $1218 or less.

FAQs for Booking Washington to Ko Samui Flights

How long does a flight from Washington to Ko Samui take?
An average nonstop flight takes 24h 35m, covering a distance of 9084 miles.
Which airlines provide the cheapest flights from Washington to Ko Samui?
In the past 3 days, the cheapest round-trip tickets were found on Multiple Airlines ($954), Singapore Airlines ($1019) and Qatar Airways ($1081).
Do I need a passport to fly between Washington and Ko Samui?
Yes.

Book cheap flights from Washington to Ko Samui (round-trip)

Airports
Origin
Washington
$954
only
$954
$1060
only
$1060
Destination
Ko Samui
$954
only
$954
Tue, Mar 27
IAD
USM
27h 30m
Tue, Apr 3
USM
IAD
30h 10m
Trip: 8 days
Overall 0.0 Poor
Based on 0 reviews
Tue, May 15
IAD
USM
32h 09m
Tue, May 22
USM
IAD
44h 21m
$1019
Trip: 8 days
8.7ExcellentShow reviews
Overall 8.7 Excellent
Based on 2212 reviews
Overall
8.8
Boarding
8.9
Comfort
8.6
Crew
9.0
Entertainment
8.8
Food
8.4
IAH
MAN
Excellent 10.0

I’ve flown with a lot of airlines in every class. This was an economy class flight and still the food was better than I’ve received in business class on American. The seat was comfortable, the entertainment options varied and extensive and the cabin team were amazing. They clean the bathrooms between uses. Seriously how do other airlines still exist?

No free upgrade? ;-). But that’s unreasonable. I love this airline having not flown with them for 4 years I don’t understand why!

FRA
JFK
Excellent 8.6

Ontime, airline stewards were excellent and tv entertainment very good

Nothing

SIN
CHC
Good 7.0

Excellent crew services

Entertainment system is rather tired for today’s standard for first tier airlines, in particular the headphone jacks which may not work from wear & tear. It’s a hit & miss whether the sound works or not. Obviously mine didn’t on one side this time. Very frustrating if you are on a long flight and there’s nothing you can do if the flight is full.

IAH
SIN
Excellent 10.0

Food wasn't the greatest but it was adequate considering shirt trip

BOM
SIN
Okay 5.3

Priority line for boarding and security, reclining seats, foot stand

Priority boarding not available in India, food and food choices and lackluster service

Sun, Mar 4
IAD
USM
24h 35m
Thu, Mar 8
USM
IAD
44h 50m
$1081
Trip: 5 days
8.2ExcellentShow reviews
Overall 8.2 Excellent
Based on 6898 reviews
Overall
8.3
Boarding
8.3
Comfort
8.1
Crew
8.6
Entertainment
8.2
Food
7.9
BHX
DOH
Mediocre 2.0

Stupid and unbelievable rules

KTM
DOH
Good 6.0

It was normal flight

I have a layover for 12 hrs and Qatar Airways didn't offer me a hotel.

DOH
KWI
Mediocre 2.0

Rules

DOH
ORD
Excellent 8.0

Hospitality and food.

Seats are not comfortable.

TXL
DOH
Good 7.6

everything went smoothly, no delays, boarding was easy and quick

Tue, May 15
DCA
USM
60h 55m
Fri, May 25
USM
DCA
46h 02m
$1060
Trip: 11 days
8.7ExcellentShow reviews
Overall 8.7 Excellent
Based on 2212 reviews
Overall
8.8
Boarding
8.9
Comfort
8.6
Crew
9.0
Entertainment
8.8
Food
8.4
IAH
MAN
Excellent 10.0

I’ve flown with a lot of airlines in every class. This was an economy class flight and still the food was better than I’ve received in business class on American. The seat was comfortable, the entertainment options varied and extensive and the cabin team were amazing. They clean the bathrooms between uses. Seriously how do other airlines still exist?

No free upgrade? ;-). But that’s unreasonable. I love this airline having not flown with them for 4 years I don’t understand why!

SFO
SIN
Excellent 8.0

Service and food

HKG
SFO
Good 7.0

Good crew service

poor boarding arrangement. passenger did not follow the boarding group arrangement boarding the plane.

HKG
SFO
Excellent 10.0

the first class seats from HK to SFO, IFE, service, dom perignon, red wine, excellent attention, greeted personally by four of flight team, provided flight details personally. Im 6'0" so the bed was a little short. it was simply a wonderful experience.

the IFE is not touch screen and pausing on the hand held was fidgety, but a huge 24 inch screen and beautiful.

BOM
SIN
Okay 5.3

Priority line for boarding and security, reclining seats, foot stand

Priority boarding not available in India, food and food choices and lackluster service

Fri, Jan 26
IAD
USM
47h 20m
Fri, Feb 2
USM
IAD
33h 20m
$1278
Trip: 8 days
Overall 0.0 Poor
Based on 0 reviews
Fri, Mar 2
DCA
USM
36h 30m
Sun, Mar 11
USM
DCA
45h 43m
$1345
Trip: 10 days
8.7ExcellentShow reviews
Overall 8.7 Excellent
Based on 2212 reviews
Overall
8.8
Boarding
8.9
Comfort
8.6
Crew
9.0
Entertainment
8.8
Food
8.4
HKG
SFO
Good 7.0

Good crew service

poor boarding arrangement. passenger did not follow the boarding group arrangement boarding the plane.

SIN
CHC
Good 7.0

Excellent crew services

Entertainment system is rather tired for today’s standard for first tier airlines, in particular the headphone jacks which may not work from wear & tear. It’s a hit & miss whether the sound works or not. Obviously mine didn’t on one side this time. Very frustrating if you are on a long flight and there’s nothing you can do if the flight is full.

SIN
SFO
Excellent 8.0

Stewardesses were a bit rude

FRA
JFK
Excellent 8.6

Ontime, airline stewards were excellent and tv entertainment very good

Nothing

JFK
FRA
Excellent 9.3

There was nothing to complain about..a very friendly staff, departure on time !

No newspapers and magazines on board !

Fri, Jan 26
DCA
USM
62h 05m
Fri, Feb 2
USM
DCA
43h 52m
$1694
Trip: 8 days
8.7ExcellentShow reviews
Overall 8.7 Excellent
Based on 2212 reviews
Overall
8.8
Boarding
8.9
Comfort
8.6
Crew
9.0
Entertainment
8.8
Food
8.4
IAH
MAN
Excellent 10.0

I’ve flown with a lot of airlines in every class. This was an economy class flight and still the food was better than I’ve received in business class on American. The seat was comfortable, the entertainment options varied and extensive and the cabin team were amazing. They clean the bathrooms between uses. Seriously how do other airlines still exist?

No free upgrade? ;-). But that’s unreasonable. I love this airline having not flown with them for 4 years I don’t understand why!

FRA
JFK
Excellent 8.6

Ontime, airline stewards were excellent and tv entertainment very good

Nothing

HKG
SFO
Good 7.0

Good crew service

poor boarding arrangement. passenger did not follow the boarding group arrangement boarding the plane.

JFK
FRA
Excellent 9.3

There was nothing to complain about..a very friendly staff, departure on time !

No newspapers and magazines on board !

BOM
SIN
Excellent 8.6

Friendly, smiling staff, ever happy to help, nice food

Seats on the A380 upper deck economy are too uncomfortable, couldn't relax at all during the 5h red-eye to Singapore

Sun, Feb 11
IAD
USM
35h 10m
Wed, Feb 14
USM
IAD
41h 47m
$2348
Trip: 4 days
8.7ExcellentShow reviews
Overall 8.7 Excellent
Based on 2212 reviews
Overall
8.8
Boarding
8.9
Comfort
8.6
Crew
9.0
Entertainment
8.8
Food
8.4
FRA
JFK
Excellent 8.6

Ontime, airline stewards were excellent and tv entertainment very good

Nothing

HKG
SFO
Excellent 10.0

the first class seats from HK to SFO, IFE, service, dom perignon, red wine, excellent attention, greeted personally by four of flight team, provided flight details personally. Im 6'0" so the bed was a little short. it was simply a wonderful experience.

the IFE is not touch screen and pausing on the hand held was fidgety, but a huge 24 inch screen and beautiful.

JFK
FRA
Excellent 9.3

There was nothing to complain about..a very friendly staff, departure on time !

No newspapers and magazines on board !

SIN
SFO
Excellent 8.0

Stewardesses were a bit rude

MNL
SIN
Good 7.0

Everyone was cold asking for blankets it was freezing on that plane only major complaint, I love the airlines, the flight attendants are lovely and gracious, they really do try. Such a nice treat after flying United airlines all year!

Too cold

Washington to Ko Samui Flight Information

Flights Arrive in Ko Samui
Flights Depart from Washington
Flight Price $954
Distance 9084 miles
Airlines Singapore Airlines, Qatar Airways
*
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The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.