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Cheap flights from Honolulu to Siem Reap from $558

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 11/1. 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

Find the cheapest flights from Honolulu to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
ANA Logo
1:00 pm - 5:10 pmHNL  Honolulu-SAI Siem Reap–Angkor Intl
35h 10m2 stops Tokyo Narita Hanoi Noibai
ANA Logo
7:10 pm - 10:35 amSAI  Siem Reap–Angkor Intl-HNL Honolulu
32h 25m2 stops Ho Chi Minh City Tokyo Haneda
$1,385ANA
Tue, Oct 6 - Mon, Oct 12
Multiple Airlines Logo
12:40 pm - 8:30 pmHNL  Honolulu-SAI Siem Reap–Angkor Intl
38h 50m2 stops Tokyo Narita Ho Chi Minh City
Multiple Airlines Logo
9:30 pm - 8:10 amSAI  Siem Reap–Angkor Intl-HNL Honolulu
27h 40m2 stops Ho Chi Minh City Tokyo Narita
$1,439Multiple Airlines
Fri, Oct 30 - Fri, Nov 13
ANA Logo
11:50 am - 5:10 pmHNL  Honolulu-SAI Siem Reap–Angkor Intl
36h 20m2 stops Tokyo Narita Hanoi Noibai
ANA Logo
7:10 pm - 10:35 amSAI  Siem Reap–Angkor Intl-HNL Honolulu
32h 25m2 stops Ho Chi Minh City Tokyo Haneda
$1,460ANA
Mon, Oct 5 - Mon, Oct 12
ANA Logo
11:50 am - 5:10 pmHNL  Honolulu-SAI Siem Reap–Angkor Intl
36h 20m2 stops Tokyo Narita Hanoi Noibai
ANA Logo
7:10 pm - 10:35 amSAI  Siem Reap–Angkor Intl-HNL Honolulu
32h 25m2 stops Ho Chi Minh City Tokyo Haneda
$1,464ANA
Fri, Oct 2 - Mon, Oct 12
Multiple Airlines Logo
12:40 pm - 4:55 pmHNL  Honolulu-SAI Siem Reap–Angkor Intl
35h 15m2 stops Tokyo Narita Hanoi Noibai
Multiple Airlines Logo
9:30 pm - 9:10 amSAI  Siem Reap–Angkor Intl-HNL Honolulu
28h 40m2 stops Ho Chi Minh City Tokyo Narita
$1,467Multiple Airlines
Sun, Nov 8 - Mon, Nov 16
Multiple Airlines Logo
12:40 pm - 7:40 pmHNL  Honolulu-SAI Siem Reap–Angkor Intl
38h 00m2 stops Tokyo Narita Hanoi Noibai
Multiple Airlines Logo
9:30 pm - 9:00 amSAI  Siem Reap–Angkor Intl-HNL Honolulu
28h 30m2 stops Ho Chi Minh City Tokyo Narita
$1,512Multiple Airlines
Sun, Dec 27 - Sat, Jan 2
ANA Logo
1:00 pm - 5:10 pmHNL  Honolulu-SAI Siem Reap–Angkor Intl
35h 10m2 stops Tokyo Narita Hanoi Noibai
ANA Logo
7:10 pm - 8:45 amSAI  Siem Reap–Angkor Intl-HNL Honolulu
30h 35m2 stops Ho Chi Minh City Tokyo Narita
$1,542ANA
Tue, Oct 6 - Tue, Oct 13
ANA Logo
11:50 am - 5:10 pmHNL  Honolulu-SAI Siem Reap–Angkor Intl
36h 20m2 stops Tokyo Narita Hanoi Noibai
ANA Logo
7:10 pm - 10:35 amSAI  Siem Reap–Angkor Intl-HNL Honolulu
32h 25m2 stops Ho Chi Minh City Tokyo Haneda
$1,592ANA
Sun, Oct 4 - Mon, Oct 12
ANA Logo
1:00 pm - 5:10 pmHNL  Honolulu-SAI Siem Reap–Angkor Intl
35h 10m2 stops Tokyo Narita Hanoi Noibai
ANA Logo
7:10 pm - 10:35 amSAI  Siem Reap–Angkor Intl-HNL Honolulu
32h 25m2 stops Ho Chi Minh City Tokyo Haneda
$1,617ANA
Fri, Oct 2 - Wed, Oct 7
ANA Logo
11:50 am - 5:10 pmHNL  Honolulu-SAI Siem Reap–Angkor Intl
36h 20m2 stops Tokyo Narita Hanoi Noibai
ANA Logo
7:10 pm - 8:45 amSAI  Siem Reap–Angkor Intl-HNL Honolulu
30h 35m2 stops Ho Chi Minh City Tokyo Narita
$1,620ANA
Fri, Oct 2 - Thu, Oct 8

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Qatar Airways flights from Honolulu to Siem Reap

Our best Qatar Airways deals on Honolulu to Siem Reap flight tickets
Qatar Airways
Sep 9
HNL8:40 pmHonolulu
43h 20m
3 stops
SAI9:00 amSiem Reap–Angkor Intl
Sep 16
SAI7:35 pmSiem Reap–Angkor Intl
44h 21m
3 stops
HNL10:56 pmHonolulu
$1,698
Qatar Airways
Oct 30
HNL8:40 pmHonolulu
43h 35m
3 stops
SAI9:15 amSiem Reap–Angkor Intl
Nov 13
SAI7:25 pmSiem Reap–Angkor Intl
42h 47m
3 stops
HNL9:12 pmHonolulu
$1,738
Qatar Airways
Nov 8
HNL10:15 pmHonolulu
51h 30m
3 stops
SAI6:45 pmSiem Reap–Angkor Intl
Nov 16
SAI7:25 pmSiem Reap–Angkor Intl
43h 44m
3 stops
HNL10:09 pmHonolulu
$1,841

ANA flights from Honolulu to Siem Reap

Our best ANA deals on Honolulu to Siem Reap flight tickets
ANA
Oct 6
HNL1:00 pmHonolulu
35h 10m
2 stops
SAI5:10 pmSiem Reap–Angkor Intl
Oct 12
SAI7:10 pmSiem Reap–Angkor Intl
32h 25m
2 stops
HNL10:35 amHonolulu
$1,385
ANA
Oct 5
HNL11:50 amHonolulu
36h 20m
2 stops
SAI5:10 pmSiem Reap–Angkor Intl
Oct 12
SAI7:10 pmSiem Reap–Angkor Intl
32h 25m
2 stops
HNL10:35 amHonolulu
$1,460
ANA
Oct 2
HNL11:50 amHonolulu
36h 20m
2 stops
SAI5:10 pmSiem Reap–Angkor Intl
Oct 12
SAI7:10 pmSiem Reap–Angkor Intl
32h 25m
2 stops
HNL10:35 amHonolulu
$1,464

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 August 15, 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 Honolulu - SAI Siem Reap–Angkor Intl

HNLSAI

Honolulu

Tue 10/6

1:00 pm-5:10 pm

2 stops35h 10m

Siem Reap–Angkor Intl

Mon 10/12

7:10 pm-10:35 am

2 stops32h 25m

$1,385

HonoluluSiem Reap

HNL Honolulu - SAI Siem Reap–Angkor Intl

HNLSAI

Honolulu

Fri 10/30

12:40 pm-8:30 pm

2 stops38h 50m

Siem Reap–Angkor Intl

Fri 11/13

9:30 pm-8:10 am

2 stops27h 40m

$1,439

HonoluluSiem Reap

HNL Honolulu - SAI Siem Reap–Angkor Intl

HNLSAI

Honolulu

Mon 10/5

11:50 am-5:10 pm

2 stops36h 20m

Siem Reap–Angkor Intl

Mon 10/12

7:10 pm-10:35 am

2 stops32h 25m

$1,460

HonoluluSiem Reap

HNL Honolulu - SAI Siem Reap–Angkor Intl

HNLSAI

Honolulu

Fri 10/2

11:50 am-5:10 pm

2 stops36h 20m

Siem Reap–Angkor Intl

Mon 10/12

7:10 pm-10:35 am

2 stops32h 25m

$1,464
Quickest round-trip

HonoluluSiem Reap

HNL Honolulu - SAI Siem Reap–Angkor Intl

HNLSAI

Honolulu

Sun 11/8

12:40 pm-4:55 pm

2 stops35h 15m

Siem Reap–Angkor Intl

Mon 11/16

9:30 pm-9:10 am

2 stops28h 40m

$1,467

HonoluluSiem Reap

HNL Honolulu - SAI Siem Reap–Angkor Intl

HNLSAI

Honolulu

Sun 12/27

12:40 pm-7:40 pm

2 stops38h 00m

Siem Reap–Angkor Intl

Sat 1/2

9:30 pm-9:00 am

2 stops28h 30m

$1,512

HonoluluSiem Reap

HNL Honolulu - SAI Siem Reap–Angkor Intl

HNLSAI

Honolulu

Tue 10/6

1:00 pm-5:10 pm

2 stops35h 10m

Siem Reap–Angkor Intl

Tue 10/13

7:10 pm-8:45 am

2 stops30h 35m

$1,542

HonoluluSiem Reap

HNL Honolulu - SAI Siem Reap–Angkor Intl

HNLSAI

Honolulu

Sun 10/4

11:50 am-5:10 pm

2 stops36h 20m

Siem Reap–Angkor Intl

Mon 10/12

7:10 pm-10:35 am

2 stops32h 25m

$1,592

HonoluluSiem Reap

HNL Honolulu - SAI Siem Reap–Angkor Intl

HNLSAI

Honolulu

Fri 10/2

1:00 pm-5:10 pm

2 stops35h 10m

Siem Reap–Angkor Intl

Wed 10/7

7:10 pm-10:35 am

2 stops32h 25m

$1,617

HonoluluSiem Reap

HNL Honolulu - SAI Siem Reap–Angkor Intl

HNLSAI

Honolulu

Fri 10/2

11:50 am-5:10 pm

2 stops36h 20m

Siem Reap–Angkor Intl

Thu 10/8

7:10 pm-8:45 am

2 stops30h 35m

$1,620

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

35h 15m

Direct flights

None
The fastest flight from Honolulu to Siem Reap takes 35h 15m
There are no direct flights from Honolulu to Siem Reap. There are no popular flight routes from Honolulu to Siem Reap.
Search flight deals

Frequently asked questions about flying from Honolulu to Siem Reap

  • 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 35h 15m.

  • 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.

Frequently asked questions about flying from Honolulu to Siem Reap

  • 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