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Cheap flights from Denver to Siem Reap from $1,135

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Siem Reap departing on 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
8:11 pm - 3:10 pm
DEN
-
SAI
29h 59m
2 stops
Singapore Airlines Logo
4:00 pm - 7:30 pm
SAI
-
DEN
40h 30m
2 stops
$1,135Singapore Airlines
mié., abr. 8 - mié., jun. 17
Multiple Airlines Logo
6:30 am - 8:10 pm
DEN
-
SAI
48h 40m
3 stops
Multiple Airlines Logo
5:10 pm - 6:10 pm
SAI
-
DEN
38h 00m
3 stops
$1,167Multiple Airlines
mié., abr. 8 - mié., jun. 17
Singapore Airlines Logo
8:11 pm - 9:40 am
DEN
-
SAI
48h 29m
3 stops
Singapore Airlines Logo
4:00 pm - 7:30 pm
SAI
-
DEN
40h 30m
2 stops
$1,296Singapore Airlines
mié., abr. 8 - mié., jun. 17
Multiple Airlines Logo
8:05 am - 12:40 pm
DEN
-
SAI
39h 35m
2 stops
Multiple Airlines Logo
7:25 pm - 12:37 pm
SAI
-
DEN
30h 12m
2 stops
$1,611Multiple Airlines
mié., mar. 11 - sáb., mar. 21
Singapore Airlines Logo
5:33 pm - 3:55 pm
DEN
-
SAI
33h 22m
2 stops
Singapore Airlines Logo
10:45 am - 10:59 pm
SAI
-
DEN
49h 14m
3 stops
$1,638Singapore Airlines
mié., mar. 11 - sáb., mar. 21
Singapore Airlines Logo
7:55 am - 3:55 pm
DEN
-
SAI
43h 00m
3 stops
Singapore Airlines Logo
10:45 am - 10:59 pm
SAI
-
DEN
49h 14m
3 stops
$1,650Singapore Airlines
mié., mar. 11 - sáb., mar. 21
Multiple Airlines Logo
7:05 pm - 9:15 am
DEN
-
SAI
25h 10m
2 stops
Multiple Airlines Logo
7:25 pm - 12:38 pm
SAI
-
DEN
30h 13m
2 stops
$1,995Multiple Airlines
jue., mar. 19 - mar., mar. 31
Multiple Airlines Logo
9:17 am - 12:40 pm
DEN
-
SAI
38h 23m
3 stops
Multiple Airlines Logo
7:25 pm - 12:38 pm
SAI
-
DEN
30h 13m
2 stops
$3,276Multiple Airlines
jue., mar. 19 - mar., mar. 31

Singapore Airlines flights from Denver to Siem Reap

Our best Singapore Airlines deals on Denver to Siem Reap flight tickets
Singapore Airlines
Apr 8
DEN8:11 pmDenver Intl
29h 59m
2 stops
SAI3:10 pmSiem Reap–Angkor Intl
Jun 17
SAI4:00 pmSiem Reap–Angkor Intl
40h 30m
2 stops
DEN7:30 pmDenver Intl
$1,135
Singapore Airlines
Apr 8
DEN8:11 pmDenver Intl
48h 29m
3 stops
SAI9:40 amSiem Reap–Angkor Intl
Jun 17
SAI4:00 pmSiem Reap–Angkor Intl
40h 30m
2 stops
DEN7:30 pmDenver Intl
$1,296
Singapore Airlines
Mar 11
DEN5:33 pmDenver Intl
33h 22m
2 stops
SAI3:55 pmSiem Reap–Angkor Intl
Mar 21
SAI10:45 amSiem Reap–Angkor Intl
49h 14m
3 stops
DEN10:59 pmDenver Intl
$1,638

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated enero 29, 2026.
Use the filters below to find and compare flights from Denver to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverSiem Reap

DEN - SAI

DENSAI

Denver Intl

mié. 4/8

8:11 pm-3:10 pm

2 stops29h 59m

Siem Reap–Angkor Intl

mié. 6/17

4:00 pm-7:30 pm

2 stops40h 30m

$1,135

DenverSiem Reap

DEN - SAI

DENSAI

Denver Intl

mié. 4/8

6:30 am-8:10 pm

3 stops48h 40m

Siem Reap–Angkor Intl

mié. 6/17

5:10 pm-6:10 pm

3 stops38h 00m

$1,167

DenverSiem Reap

DEN - SAI

DENSAI

Denver Intl

mié. 4/8

8:11 pm-9:40 am

3 stops48h 29m

Siem Reap–Angkor Intl

mié. 6/17

4:00 pm-7:30 pm

2 stops40h 30m

$1,296

DenverSiem Reap

DEN - SAI

DENSAI

Denver Intl

mié. 3/11

8:05 am-12:40 pm

2 stops39h 35m

Siem Reap–Angkor Intl

sáb. 3/21

7:25 pm-12:37 pm

2 stops30h 12m

$1,611

DenverSiem Reap

DEN - SAI

DENSAI

Denver Intl

mié. 3/11

5:33 pm-3:55 pm

2 stops33h 22m

Siem Reap–Angkor Intl

sáb. 3/21

10:45 am-10:59 pm

3 stops49h 14m

$1,638

DenverSiem Reap

DEN - SAI

DENSAI

Denver Intl

mié. 3/11

7:55 am-3:55 pm

3 stops43h 00m

Siem Reap–Angkor Intl

sáb. 3/21

10:45 am-10:59 pm

3 stops49h 14m

$1,650

DenverSiem Reap

DEN - SAI

DENSAI

Denver Intl

jue. 3/19

7:05 pm-9:15 am

2 stops25h 10m

Siem Reap–Angkor Intl

mar. 3/31

7:25 pm-12:38 pm

2 stops30h 13m

$1,995

DenverSiem Reap

DEN - SAI

DENSAI

Denver Intl

jue. 3/19

9:17 am-12:40 pm

3 stops38h 23m

Siem Reap–Angkor Intl

mar. 3/31

7:25 pm-12:38 pm

2 stops30h 13m

$3,276

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Denver to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Siem Reap (DEN to SAI) flight deals and tips

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

Fastest flight time

29h 59m

Direct flights

None
The fastest flight from Denver to Siem Reap takes 29h 59m
There are no direct flights from Denver to Siem Reap. There are no popular flight routes from Denver to Siem Reap.
Search flight deals

  • How far is Denver Intl to Siem Reap–Angkor Intl by plane?

    A flight from Denver Intl to Siem Reap–Angkor Intl will travel around 8320.6 mi. 29h 59m is a normal flight duration for this route.

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

    Prices for flights from Denver Intl Airport to Siem Reap–Angkor Intl Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport 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.

  • How do I get Price Alerts for flights from Denver to Siem Reap?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Denver from Siem Reap. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Denver to Siem Reap with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Siem Reap?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Siem Reap for you.

Can I find flights from Denver to Siem Reap with flexible booking policies on momondo?

Yes. All flights to Siem Reap from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Denver to Siem Reap?

Once all potential Denver 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 Denver to Siem Reap right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Denver 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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Cabin classes currently available on flights to Siem Reap

List of cabin classes available on flights landing in Siem Reap. Availability may vary depending on flight origin and airline.
First Class to Siem Reap
Business Class to Siem Reap