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Cheap flights from District of Columbia to Siem Reap from $720

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from District of Columbia to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Emirates Logo
10:55 am - 9:30 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
47h 35m2 stops Dubai Intl Bangkok Suvarnabhumi
Emirates Logo
11:50 pm - 8:40 amSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
43h 50m2 stops Bangkok Suvarnabhumi Dubai Intl
$1,215Emirates
Sun, Oct 11 - Tue, Oct 20
Multiple Airlines Logo
12:15 pm - 6:20 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
43h 05m2 stops Tokyo Haneda Ho Chi Minh City
Multiple Airlines Logo
7:10 pm - 10:05 amSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
25h 55m2 stops Ho Chi Minh City Tokyo Haneda
$1,246Multiple Airlines
Fri, Oct 2 - Sat, Oct 17
Multiple Airlines Logo
10:20 pm - 6:55 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
33h 35m3 stops Munich Franz Josef Strauss Vienna Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
10:30 am - 4:45 pmSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
41h 15m2 stops Singapore Changi Zurich
$1,459Multiple Airlines
Sun, Oct 11 - Tue, Oct 20
Lufthansa Logo
5:35 pm - 6:55 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
38h 20m3 stops Munich Franz Josef Strauss Vienna Intl Bangkok Suvarnabhumi
Lufthansa Logo
7:35 pm - 7:25 pmSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
34h 50m2 stops Bangkok Suvarnabhumi Munich Franz Josef Strauss
$1,504Lufthansa
Sun, Oct 11 - Tue, Oct 20
Lufthansa Logo
10:10 pm - 6:55 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
33h 45m3 stops Frankfurt am Main Vienna Intl Bangkok Suvarnabhumi
Lufthansa Logo
7:35 pm - 3:10 pmSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
30h 35m3 stops Bangkok Suvarnabhumi Munich Franz Josef Strauss Frankfurt am Main
$1,707Lufthansa
Sun, Oct 11 - Tue, Oct 20
Multiple Airlines Logo
9:00 pm - 4:25 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
56h 25m3 stops Doha Hamad Intl Hanoi Noibai Luang Prabang
Multiple Airlines Logo
9:40 am - 3:40 pmSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
41h 00m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
$1,717Multiple Airlines
Fri, Oct 2 - Sat, Oct 17
Multiple Airlines Logo
9:00 pm - 4:25 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
56h 25m3 stops Doha Hamad Intl Hanoi Noibai Luang Prabang
Multiple Airlines Logo
11:50 pm - 10:52 pmSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
58h 02m3 stops Bangkok Suvarnabhumi Dubai Intl Chicago O'Hare Intl
$2,041Multiple Airlines
Fri, Oct 2 - Sat, Oct 17
Singapore Airlines Logo
9:30 am - 9:40 amDCA  Washington, D.C. Reagan-National-SAI Siem Reap–Angkor Intl
37h 10m2 stops Los Angeles Singapore Changi
Singapore Airlines Logo
10:30 am - 8:00 pmSAI  Siem Reap–Angkor Intl-DCA Washington, D.C. Reagan-National
44h 30m2 stops Singapore Changi Los Angeles
$2,110Singapore Airlines
Fri, Oct 2 - Sat, Oct 17
Multiple Airlines Logo
12:20 pm - 9:15 amIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
32h 55m2 stops Tokyo Haneda Bangkok Suvarnabhumi
Multiple Airlines Logo
1:20 pm - 3:40 pmSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
38h 20m2 stops Bangkok Suvarnabhumi Tokyo Haneda
$2,278Multiple Airlines
Tue, Dec 15 - Thu, Jan 7
Multiple Airlines Logo
11:55 pm - 6:45 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
30h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:55 am - 8:55 pmSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
23h 00m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$2,319Multiple Airlines
Mon, Dec 14 - Fri, Jan 8

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Qatar Airways flights from District of Columbia to Siem Reap

Our best Qatar Airways deals on District of Columbia to Siem Reap flight tickets
Qatar Airways
Dec 12
IAD8:05 pmWashington, D.C. Dulles Intl
49h 10m
2 stops
SAI9:15 amSiem Reap–Angkor Intl
Jan 10
SAI7:25 pmSiem Reap–Angkor Intl
32h 30m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
$2,486
Qatar Airways
Dec 13
IAD8:05 pmWashington, D.C. Dulles Intl
25h 10m
2 stops
SAI9:15 amSiem Reap–Angkor Intl
Jan 10
SAI1:20 pmSiem Reap–Angkor Intl
38h 35m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
$2,499
Qatar Airways
Dec 12
IAD8:05 pmWashington, D.C. Dulles Intl
49h 10m
2 stops
SAI9:15 amSiem Reap–Angkor Intl
Jan 7
SAI9:55 amSiem Reap–Angkor Intl
34h 35m
2 stops
IAD8:30 amWashington, D.C. Dulles Intl
$2,594

Emirates flights from District of Columbia to Siem Reap

Our best Emirates deals on District of Columbia to Siem Reap flight tickets
Emirates
Oct 11
IAD10:55 amWashington, D.C. Dulles Intl
47h 35m
2 stops
SAI9:30 pmSiem Reap–Angkor Intl
Oct 20
SAI11:50 pmSiem Reap–Angkor Intl
43h 50m
2 stops
IAD8:40 amWashington, D.C. Dulles Intl
$1,215
Emirates
Dec 13
IAD10:30 amWashington, D.C. Dulles Intl
46h 40m
2 stops
SAI9:10 pmSiem Reap–Angkor Intl
Jan 9
SAI11:50 pmSiem Reap–Angkor Intl
44h 20m
2 stops
IAD8:10 amWashington, D.C. Dulles Intl
$2,419
Emirates
Dec 15
IAD10:30 amWashington, D.C. Dulles Intl
46h 40m
2 stops
SAI9:10 pmSiem Reap–Angkor Intl
Jan 10
SAI1:20 pmSiem Reap–Angkor Intl
30h 50m
2 stops
IAD8:10 amWashington, D.C. Dulles Intl
$2,522

momondo Fare Finder

 
Use the filters below to find and compare flights from District of Columbia to Siem Reap that are best for you.

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Cheapest round-trip

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Sun 10/11

10:55 am-9:30 pm

2 stops47h 35m

Siem Reap–Angkor Intl

Tue 10/20

11:50 pm-8:40 am

2 stops43h 50m

$1,215

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Fri 10/2

12:15 pm-6:20 pm

2 stops43h 05m

Siem Reap–Angkor Intl

Sat 10/17

7:10 pm-10:05 am

2 stops25h 55m

$1,246

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Sun 10/11

10:20 pm-6:55 pm

3 stops33h 35m

Siem Reap–Angkor Intl

Tue 10/20

10:30 am-4:45 pm

2 stops41h 15m

$1,459

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Sun 10/11

5:35 pm-6:55 pm

3 stops38h 20m

Siem Reap–Angkor Intl

Tue 10/20

7:35 pm-7:25 pm

2 stops34h 50m

$1,504

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Sun 10/11

10:10 pm-6:55 pm

3 stops33h 45m

Siem Reap–Angkor Intl

Tue 10/20

7:35 pm-3:10 pm

3 stops30h 35m

$1,707

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Fri 10/2

9:00 pm-4:25 pm

3 stops56h 25m

Siem Reap–Angkor Intl

Sat 10/17

9:40 am-3:40 pm

2 stops41h 00m

$1,717

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Fri 10/2

9:00 pm-4:25 pm

3 stops56h 25m

Siem Reap–Angkor Intl

Sat 10/17

11:50 pm-10:52 pm

3 stops58h 02m

$2,041

Washington, D.C.Siem Reap

DCA Washington, D.C. Reagan-National - SAI Siem Reap–Angkor Intl

DCASAI

Washington, D.C. Reagan-National

Fri 10/2

9:30 am-9:40 am

2 stops37h 10m

Siem Reap–Angkor Intl

Sat 10/17

10:30 am-8:00 pm

2 stops44h 30m

$2,110

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Tue 12/15

12:20 pm-9:15 am

2 stops32h 55m

Siem Reap–Angkor Intl

Thu 1/7

1:20 pm-3:40 pm

2 stops38h 20m

$2,278
Quickest round-trip

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Mon 12/14

11:55 pm-6:45 pm

2 stops30h 50m

Siem Reap–Angkor Intl

Fri 1/8

9:55 am-8:55 pm

2 stops23h 00m

$2,319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from District of Columbia to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from District of Columbia to Siem Reap–Angkor Intl?

Qatar Airways and Singapore Airlines are the most popular carriers operating from District of Columbia to Siem Reap–Angkor Intl

Cheap District of Columbia to Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Siem Reap

Best Price Found

$720

Fastest flight time

37h 10m

Direct flights

None
The best one-way flight to Siem Reap from District of Columbia in the past 72 hours is $720. The best round-trip flight deal from District of Columbia to Siem Reap found on momondo in the last 72 hours is $1,215.
The fastest flight from District of Columbia to Siem Reap takes 37h 10m
There are no direct flights from District of Columbia to Siem Reap. There are no popular flight routes from District of Columbia to Siem Reap.
Search flight deals

Frequently asked questions about flying from District of Columbia to Siem Reap

  • When did momondo last update prices for flights from District of Columbia to Siem Reap–Angkor Intl Airport?

    Prices for flights from District of Columbia to Siem Reap–Angkor Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from District of Columbia to Siem Reap–Angkor Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The required travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Siem Reap?

Finding the right flight to Siem Reap from District of Columbia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Siem Reap quick and easy, saving you time and money.

Can I find flights from District of Columbia to Siem Reap with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for District of Columbia to Siem Reap flights to just show those with flexible booking policies.

How can momondo help me find flights from District of Columbia to Siem Reap?

Once all potential District of Columbia to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from District of Columbia to Siem Reap right now. Can momondo alert me if prices change?

Yes. momondo can track prices for District of Columbia to Siem Reap flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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