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Cheap flights from Honolulu to Siem Reap from $629

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Honolulu to Siem Reap departing on 9/19. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Vietnam Airlines Logo
4:40 pm - 5:10 pm
HNL
-
SAI
55h 30m
2 stops
Vietnam Airlines Logo
6:05 pm - 10:45 am
SAI
-
HNL
33h 40m
2 stops
$2,029Vietnam Airlines
Sun, Jul 12 - Sun, Jul 26
Vietnam Airlines Logo
4:40 pm - 5:10 pm
HNL
-
SAI
55h 30m
2 stops
Vietnam Airlines Logo
6:05 pm - 10:45 am
SAI
-
HNL
33h 40m
2 stops
$2,030Vietnam Airlines
Sun, Jul 12 - Sun, Jul 26
Qatar Airways Logo
11:58 pm - 6:45 pm
HNL
-
SAI
49h 47m
3 stops
Qatar Airways Logo
7:30 pm - 7:16 pm
SAI
-
HNL
40h 46m
3 stops
$2,126Qatar Airways
Sun, Jul 12 - Sun, Jul 26
Qatar Airways Logo
11:41 pm - 12:15 pm
HNL
-
SAI
43h 34m
3 stops
Qatar Airways Logo
7:30 pm - 7:16 pm
SAI
-
HNL
40h 46m
3 stops
$2,148Qatar Airways
Sun, Jul 12 - Sun, Jul 26
Singapore Airlines Logo
9:40 pm - 9:40 am
HNL
-
SAI
43h 00m
3 stops
Singapore Airlines Logo
4:00 pm - 3:59 pm
SAI
-
HNL
40h 59m
2 stops
$2,329Singapore Airlines
Sun, Jul 12 - Sun, Jul 26
Multiple Airlines Logo
11:58 pm - 9:40 am
HNL
-
SAI
40h 42m
3 stops
Multiple Airlines Logo
4:00 pm - 3:59 pm
SAI
-
HNL
40h 59m
2 stops
$2,502Multiple Airlines
Sun, Jul 12 - Sun, Jul 26
Multiple Airlines Logo
11:58 pm - 9:40 am
HNL
-
SAI
40h 42m
3 stops
Multiple Airlines Logo
10:30 am - 3:59 pm
SAI
-
HNL
46h 29m
2 stops
$2,662Multiple Airlines
Sun, Jul 12 - Sun, Jul 26
Singapore Airlines Logo
9:40 pm - 9:40 am
HNL
-
SAI
43h 00m
3 stops
Singapore Airlines Logo
4:00 pm - 7:44 pm
SAI
-
HNL
44h 44m
2 stops
$2,759Singapore Airlines
Sun, Jul 12 - Sun, Jul 26

Singapore Airlines flights from Honolulu to Siem Reap

Our best Singapore Airlines deals on Honolulu to Siem Reap flight tickets
Singapore Airlines
Jul 12
HNL9:40 pmHonolulu
43h 00m
3 stops
SAI9:40 amSiem Reap–Angkor Intl
Jul 26
SAI4:00 pmSiem Reap–Angkor Intl
40h 59m
2 stops
HNL3:59 pmHonolulu
$2,329
Singapore Airlines
Jul 12
HNL9:40 pmHonolulu
43h 00m
3 stops
SAI9:40 amSiem Reap–Angkor Intl
Jul 26
SAI4:00 pmSiem Reap–Angkor Intl
44h 44m
2 stops
HNL7:44 pmHonolulu
$2,759

Qatar Airways flights from Honolulu to Siem Reap

Our best Qatar Airways deals on Honolulu to Siem Reap flight tickets
Qatar Airways
Jul 12
HNL11:58 pmHonolulu
49h 47m
3 stops
SAI6:45 pmSiem Reap–Angkor Intl
Jul 26
SAI7:30 pmSiem Reap–Angkor Intl
40h 46m
3 stops
HNL7:16 pmHonolulu
$2,126
Qatar Airways
Jul 12
HNL11:41 pmHonolulu
43h 34m
3 stops
SAI12:15 pmSiem Reap–Angkor Intl
Jul 26
SAI7:30 pmSiem Reap–Angkor Intl
40h 46m
3 stops
HNL7:16 pmHonolulu
$2,148

momondo Fare Finder

 
Customize your flight search to find flights from Honolulu 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 March 28, 2026.
Use the filters below to find and compare flights from Honolulu to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HonoluluSiem Reap

HNL - SAI

HNLSAI

Honolulu

Sun 7/12

4:40 pm-5:10 pm

2 stops55h 30m

Siem Reap–Angkor Intl

Sun 7/26

6:05 pm-10:45 am

2 stops33h 40m

$2,029

HonoluluSiem Reap

HNL - SAI

HNLSAI

Honolulu

Sun 7/12

4:40 pm-5:10 pm

2 stops55h 30m

Siem Reap–Angkor Intl

Sun 7/26

6:05 pm-10:45 am

2 stops33h 40m

$2,030

HonoluluSiem Reap

HNL - SAI

HNLSAI

Honolulu

Sun 7/12

11:58 pm-6:45 pm

3 stops49h 47m

Siem Reap–Angkor Intl

Sun 7/26

7:30 pm-7:16 pm

3 stops40h 46m

$2,126

HonoluluSiem Reap

HNL - SAI

HNLSAI

Honolulu

Sun 7/12

11:41 pm-12:15 pm

3 stops43h 34m

Siem Reap–Angkor Intl

Sun 7/26

7:30 pm-7:16 pm

3 stops40h 46m

$2,148

HonoluluSiem Reap

HNL - SAI

HNLSAI

Honolulu

Sun 7/12

9:40 pm-9:40 am

3 stops43h 00m

Siem Reap–Angkor Intl

Sun 7/26

4:00 pm-3:59 pm

2 stops40h 59m

$2,329
Quickest round-trip

HonoluluSiem Reap

HNL - SAI

HNLSAI

Honolulu

Sun 7/12

11:58 pm-9:40 am

3 stops40h 42m

Siem Reap–Angkor Intl

Sun 7/26

4:00 pm-3:59 pm

2 stops40h 59m

$2,502

HonoluluSiem Reap

HNL - SAI

HNLSAI

Honolulu

Sun 7/12

11:58 pm-9:40 am

3 stops40h 42m

Siem Reap–Angkor Intl

Sun 7/26

10:30 am-3:59 pm

2 stops46h 29m

$2,662

HonoluluSiem Reap

HNL - SAI

HNLSAI

Honolulu

Sun 7/12

9:40 pm-9:40 am

3 stops43h 00m

Siem Reap–Angkor Intl

Sun 7/26

4:00 pm-7:44 pm

2 stops44h 44m

$2,759
Cheapest one-way
Quickest one-way

HonoluluSiem Reap

HNL - SAI

HNLSAI

Honolulu

Sat 9/19

12:40 pm-8:45 am

2 stops27h 05m

$629

HonoluluSiem Reap

HNL - SAI

HNLSAI

Honolulu

Sat 9/19

12:40 pm-6:05 pm

3 stops36h 25m

$641

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Honolulu to Siem Reap

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

Cheap Honolulu to Siem Reap (HNL to SAI) flight deals and tips

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

Fastest flight time

27h 05m

Direct flights

None
The fastest flight from Honolulu to Siem Reap takes 27h 05m
There are no direct flights from Honolulu to Siem Reap. There are no popular flight routes from Honolulu to Siem Reap.
Search flight deals

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

    Honolulu and Siem Reap–Angkor Intl are 6398.8 mi apart from one another. A reasonable flight in good conditions will take 27h 05m.

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

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

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

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

    The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

    Search flight deals from Honolulu to Siem Reap. While viewing offers you’ll have the option to create a Price Alert.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Honolulu 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 Honolulu to Siem Reap for you.

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

momondo does allow users to show only those flights to Siem Reap from Honolulu which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Honolulu to Siem Reap flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Siem Reap from Honolulu are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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