Cheap flights from Washington, D.C. to Siem Reap from £538

Cheap flights from Washington, D.C. to Siem Reap from £538

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3 stops
Thu, Jul 30
Washington, D.C. IADSiem Reap SAI
£538
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3 stops
Wed, Jul 29
Washington, D.C. DCASiem Reap SAI
£549
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3 stops
Thu, Jul 30
Washington, D.C. IADSiem Reap SAI
£551
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3 stops
Thu, Jul 30
Washington, D.C. IADSiem Reap SAI
£569
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3 stops
Tue, Jul 28
Washington, D.C. IADSiem Reap SAI
£578
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2 stops
Tue, Jul 28
Washington, D.C. IADSiem Reap SAI
£635
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3 stops
Wed, Jul 29 – Wed, Aug 5
Washington, D.C. DCASiem Reap SAI
£1,382
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3 stops
Thu, Jul 30 – Wed, Aug 5
Washington, D.C. IADSiem Reap SAI
£1,412
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3 stops
Thu, Jul 30 – Wed, Aug 5
Washington, D.C. IADSiem Reap SAI
£1,425
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2 stops
Wed, Jul 29 – Wed, Aug 5
Washington, D.C. IADSiem Reap SAI
£1,449
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2 stops
Thu, Jul 30 – Wed, Aug 5
Washington, D.C. IADSiem Reap SAI
£1,465
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3 stops
Wed, Jul 29 – Wed, Aug 5
Washington, D.C. IADSiem Reap SAI
£1,479
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How much do flights to Siem Reap cost?

Cheapest one-way trip

£538

Cheapest round-trip

£1,382

Includes rare itinerary

Travel hack

Most popular airline

Korean Air

Getting from Siem Reap airport to the city center

Fastest options: taxi and private transfer. Best value: tuk-tuk and shared shuttle.

Siem Reap is served by Siem Reap Angkor International Airport (SAI), located approximately 8 km east of the city center. This modern airport opened in 2023 and offers various airport transfers to city center destinations. Transport options include taxis, tuk-tuks, hotel shuttles, private transfers, and ride-hailing services. Journey times are generally short due to the airport's proximity to town, though traffic conditions can vary, especially during peak tourist season.

Transport Option

Typical time

Typical cost

Frequency

Best for

15-25 min

$12 – $15; fixed fare to city center

on-demand 24/7 (traffic dependent)

comfort with luggage

20-30 min

$5 – $8; negotiate fare before departure

on-demand (traffic dependent)

budget travelers

15-30 min

$0 – $15; often complimentary; check with hotel

by arrangement (traffic dependent)

convenience if pre-booked

15-25 min

$15 – $25; pre-booked; air-conditioned vehicle

by arrangement (traffic dependent)

families and groups

15-25 min

$6 – $12; app-based pricing; varies with demand

on-demand (traffic dependent)

transparent pricing

15-25 min

$30 – $60; per day; driver often included

by arrangement (traffic dependent)

temple exploration flexibility

Notes:

  • Prices in USD; table created in 2025 and subject to change.
  • Tuk-tuk fares should be negotiated before departure; agree on the price clearly.
  • Many hotels offer complimentary airport pickup; confirm when booking accommodation.
  • Ride-hailing apps require local SIM or WiFi connection at the airport.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Siem Reap

Depart from
Washington Dulles International
Arrive to
Siem Reap–Angkor International Airport
Average flights per week
400
Flight distance

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

NameCarrier codeIATA CodePassport needed during booking
Korean AirKALKEYes
Thai AirAsiaAIQFDNo
Vietnam AirlinesHVNVNYes
VietJet AirVJCVJYes
Air CambodiaKHVK6No

Online check-in is not available for these airlines.

Weather in Siem Reap

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January31°C21°C
February34°C23°C
March35°C25°C
April35°C26°C
May34°C26°C
June32°C25°C
July31°C24°C
August31°C25°C
September30°C24°C
October30°C24°C
November30°C23°C
December30°C21°C
Hottest Month
35°C
March
Coldest month
21°C
January
Sunny days
223
days per year

14 day forecast

Saturday
18 Jul
37%
34°C25°C
25 Jul
81%
31°C24°C
Sunday
19 Jul
35°C24°C
26 Jul
80%
31°C24°C
Monday
20 Jul
35°C24°C
27 Jul
83%
31°C24°C
Tuesday
21 Jul
57%
35°C25°C
28 Jul
87%
26°C24°C
Wednesday
22 Jul
36%
35°C25°C
29 Jul
76%
31°C24°C
Thursday
23 Jul
14%
32°C25°C
30 Jul
62%
32°C25°C
Friday
24 Jul
85%
30°C25°C
31 Jul
57%
32°C26°C
Travelers usually depart from Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National when they travel from Washington, D.C. to Siem Reap. The most popular airlines for this route are Korean Air, Thai AirAsia, Vietnam Airlines, VietJet Air, and Air Cambodia. Washington, D.C. and Siem Reap have 400 direct flights per week.

Frequently asked questions

What are the most popular routes to and from Washington, D.C.?
Travelers frequently search for route combinations, such as Washington, D.C. and London, Orlando, Atlanta, Edinburgh, Los Angeles, Tampa, Mexico City, Miami, San Salvador, San Juan, Dallas, Istanbul, Denver, New Delhi, Guadalajara, Fort Lauderdale, Kathmandu, Manchester, Paris, Toronto.
What are the most popular routes to and from Siem Reap?
Travelers frequently search for route combinations, such as Siem Reap and Bangkok, London, Phnom Penh, Hanoi, Phuket City, Singapore, Phuket Province, Chiang Mai, Ho Chi Minh City, Kuala Lumpur, Da Nang, Sihanoukville Province, Vientiane, Krabi, Bali, Manila, Denpasar, Ko Samui, Perth, Surat Thani Province.
Which airports are there in Washington, D.C.?
Washington, D.C. is mainly served by Washington Dulles International. But there are other airports nearby, including Baltimore–Washington International, Ronald Reagan Washington National.
What airports are near Washington, D.C.?
The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional, Lancaster.
Which airlines fly between Washington, D.C. and Siem Reap?
Currently, you can fly between Washington, D.C. and Siem Reap with Korean Air, Thai AirAsia, Vietnam Airlines, VietJet Air, Air Cambodia.
When’s the best time to travel between Washington, D.C. and Siem Reap?
If you don’t have specific dates for your trip between Washington, D.C. and Siem Reap, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Washington, D.C. and Siem Reap?
Traveling between Washington, D.C. and Siem Reap, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Washington, D.C.?
There are a number of airports in and around Washington, D.C.. The main one is Washington Dulles International and other nearby airports include Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional, Lancaster
What time do nonstop (direct) flights between Washington, D.C. and Siem Reap depart?
This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Washington, D.C., such as morning, afternoon, evening, or night, or select the exact hours for departure.
What time do nonstop (direct) flights between Washington, D.C. and Siem Reap arrive?
What time do flights between Washington, D.C. and Siem Reap depart?
What time do flights between Washington, D.C. and Siem Reap arrive?

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