Cheap flights from Siem Reap to Washington, D.C. from $638

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3 stops
Tue, Jul 1
Siem Reap SAIWashington, D.C. IAD

$638
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3 stops
Wed, Jul 2
Siem Reap SAIWashington, D.C. IAD

$651
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3 stops
Wed, Jul 2
Siem Reap SAIWashington, D.C. IAD

$687
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3 stops
Fri, Jun 27
Siem Reap SAIWashington, D.C. BWI

$744
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2 stops
Mon, Jun 30
Siem Reap SAIWashington, D.C. IAD

$746
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2 stops
Mon, Jun 30
Siem Reap SAIWashington, D.C. IAD

$798
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Prices updated:

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2 stops
Mon, Jun 30 – Mon, Jul 7
Siem Reap SAIWashington, D.C. IAD

$1,510
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2 stops
Mon, Jun 30 – Mon, Jul 7
Siem Reap SAIWashington, D.C. IAD

$1,548
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2 stops
Wed, Jul 2 – Wed, Jul 9
Siem Reap SAIWashington, D.C. IAD

$1,561
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2 stops
Wed, Jul 2 – Wed, Jul 9
Siem Reap SAIWashington, D.C. IAD

$1,564
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2 stops
Wed, Jul 2 – Tue, Jul 8
Siem Reap SAIWashington, D.C. IAD

$1,582
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2 stops
Tue, Jul 1 – Tue, Jul 8
Siem Reap SAIWashington, D.C. IAD

$1,596
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Prices updated:

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How much do flights to Washington, D.C. cost?

Key info about flying to Washington, D.C.

Depart from
Siem Reap–Angkor International Airport
Arrive to
Washington Dulles International
Average flights per week
400
Flight distance
Worth visiting
Lincoln Memorial - National Mall

Check-in for a flight from Siem Reap to Washington, D.C.

NameCarrier codeIATA CodePassport needed during booking
Vietnam AirlinesHVNVNYes
Bangkok AirwaysBKPPGNo
Thai AirAsiaAIQFDNo
Air India LimitedAICAIYes
Hawaiian AirlinesHALHANo

Weather in Washington, D.C.

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January5°C-1°C
February8°C0°C
March12°C3°C
April19°C8°C
May23°C13°C
June28°C18°C
July31°C21°C
August30°C20°C
September26°C17°C
October20°C11°C
November13°C5°C
December8°C1°C
Hottest Month
31°C
July
Coldest month
-1°C
January
Sunny days
267
days per year
Snow days
8
days per year

14 day forecast

Sunday
8 Jun
84%
22°C19°C
15 Jun
85%
21°C16°C
Monday
9 Jun
23°C17°C
16 Jun
21°C13°C
Tuesday
10 Jun
82%
29°C18°C
17 Jun
26°C14°C
Wednesday
11 Jun
27°C16°C
18 Jun
28°C15°C
Thursday
12 Jun
32°C17°C
19 Jun
75%
24°C17°C
Friday
13 Jun
34°C20°C
20 Jun
26°C13°C
Saturday
14 Jun
86%
29°C20°C
21 Jun
29°C16°C
Book your trip to arrive at Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National. The most popular airlines for this route are Vietnam Airlines, Bangkok Airways, Thai AirAsia, Air India Limited, and Hawaiian Airlines. Siem Reap and Washington, D.C. have 400 direct flights per week. When you arrive at Washington, D.C., consider visiting Lincoln Memorial, and National Mall.

Frequently asked questions

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What time do nonstop (direct) flights between Siem Reap and Washington, D.C. depart?
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What time do flights between Siem Reap and Washington, D.C. depart?
What time do flights between Siem Reap and Washington, D.C. arrive?

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