Find flights
When to book
Airlines
FAQs

Cheap flights from Niagara Falls, ON to Siem Reap, Cambodia from C$ 1,345

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAI
25 Feb — 4 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Niagara Falls to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Niagara Falls to Siem Reap
Explore the most affordable flight options available from Niagara Falls to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 January 2026.

Sun 8/25:55 p.m.
YYZ
-
SAI
2 stops51h 55m
United Airlines
Mon 16/210:45 a.m.
SAI
-
YYZ
2 stops32h 45m
United Airlines
Deal found 26/1C$ 1,345
Tue 27/105:16 p.m.
YYZ
-
SAI
2 stops53h 34m
United Airlines
Wed 25/1110:45 a.m.
SAI
-
YYZ
2 stops45h 13m
United Airlines
Deal found 24/1C$ 1,352
Wed 25/27:20 p.m.
YYZ
-
SAI
2 stops29h 20m
Multiple Airlines
Tue 28/47:25 p.m.
SAI
-
YYZ
2 stops35h 05m
Multiple Airlines
Deal found 26/1C$ 1,353
Sun 1/21:10 p.m.
YYZ
-
SAI
2 stops56h 05m
Multiple Airlines
Thu 30/47:25 p.m.
SAI
-
YYZ
2 stops35h 05m
Multiple Airlines
Deal found 26/1C$ 1,463
Wed 10/67:00 p.m.
YYZ
-
SAI
2 stops30h 15m
Multiple Airlines
Tue 23/67:25 p.m.
SAI
-
YYZ
2 stops31h 29m
Multiple Airlines
Deal found 25/1C$ 1,619
Wed 10/67:00 p.m.
YYZ
-
SAI
2 stops27h 00m
Multiple Airlines
Mon 22/67:25 p.m.
SAI
-
YYZ
2 stops35h 05m
Multiple Airlines
Deal found 25/1C$ 1,628
Sun 15/36:15 p.m.
YYZ
-
SAI
2 stops28h 00m
Multiple Airlines
Sun 22/37:25 p.m.
SAI
-
YYZ
2 stops35h 00m
Multiple Airlines
Deal found 25/1C$ 1,634
Wed 10/68:00 p.m.
YYZ
-
SAI
2 stops26h 00m
Multiple Airlines
Sun 21/67:25 p.m.
SAI
-
YYZ
2 stops35h 05m
Multiple Airlines
Deal found 25/1C$ 1,659
Sun 6/124:00 p.m.
YYZ
-
SAI
2 stops29h 15m
Multiple Airlines
Sat 19/127:25 p.m.
SAI
-
YYZ
2 stops38h 12m
Multiple Airlines
Deal found 25/1C$ 1,668
Sat 19/127:00 p.m.
YYZ
-
SAI
2 stops26h 15m
Multiple Airlines
Wed 30/127:25 p.m.
SAI
-
YYZ
2 stops34h 12m
Multiple Airlines
Deal found 25/1C$ 1,694
Tue 9/61:05 p.m.
YYZ
-
SAI
2 stops36h 10m
Multiple Airlines
Tue 23/67:25 p.m.
SAI
-
YYZ
2 stops32h 04m
Multiple Airlines
Deal found 25/1C$ 1,791
Thu 11/61:35 p.m.
YYZ
-
SAI
2 stops32h 25m
Multiple Airlines
Tue 23/67:25 p.m.
SAI
-
YYZ
2 stops32h 04m
Multiple Airlines
Deal found 25/1C$ 1,804

Find flight deals from Niagara Falls to Siem Reap

Keep the following information in mind while searching for Niagara Falls to Siem Reap flight deals. Data was last updated 26 January 2026.

Round-trip from

C$ 1,345
United Airlines
  • United Airlines
  • 8/2-16/2
  • 4 total stops
  • 84h 40m total
  • Niagara Falls to Siem Reap
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls 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, Cheapflights users made 629,999 searches. Data last updated 26 January 2026.
Use the filters below to find and compare flights from Niagara Falls to Siem Reap that are best for you.

Fly from

Niagara Falls

Fly to

Siem Reap

Route

Depart

Return

Price

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Tue 10/2

5:55 p.m.-3:55 p.m.

2 stops34h 00m

Siem Reap–Angkor Intl

Mon 16/2

10:45 a.m.-4:52 p.m.

2 stops42h 07m

C$ 1,345

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 9/2

5:55 p.m.-3:55 p.m.

2 stops58h 00m

Siem Reap–Angkor Intl

Mon 16/2

10:45 a.m.-4:52 p.m.

2 stops66h 07m

C$ 1,345

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Sun 15/3

6:15 p.m.-9:15 a.m.

2 stops28h 00m

Siem Reap–Angkor Intl

Sun 22/3

7:25 p.m.-7:25 p.m.

2 stops35h 00m

C$ 1,634

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Wed 25/2

2:25 p.m.-3:15 p.m.

2 stops36h 50m

Siem Reap–Angkor Intl

Tue 28/4

12:15 p.m.-2:32 p.m.

3 stops37h 17m

C$ 2,105

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Wed 18/2

2:25 p.m.-10:50 a.m.

2 stops32h 25m

Siem Reap–Angkor Intl

Wed 25/2

7:45 p.m.-9:20 a.m.

2 stops49h 35m

C$ 2,135

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Thu 29/1

5:55 p.m.-9:50 a.m.

2 stops51h 55m

Siem Reap–Angkor Intl

Sat 28/2

4:45 p.m.-4:28 p.m.

2 stops35h 43m

C$ 2,286

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 9/2

12:15 a.m.-6:40 p.m.

2 stops30h 25m

Siem Reap–Angkor Intl

Tue 17/2

10:00 a.m.-8:20 p.m.

2 stops22h 20m

C$ 2,506

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Tue 10/2

12:15 a.m.-6:40 p.m.

2 stops30h 25m

Siem Reap–Angkor Intl

Tue 17/2

10:00 a.m.-8:20 p.m.

2 stops22h 20m

C$ 2,515

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 9/2

2:45 p.m.-6:40 p.m.

2 stops39h 55m

Siem Reap–Angkor Intl

Wed 18/2

7:25 p.m.-9:20 a.m.

2 stops49h 55m

C$ 2,520

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 9/2

2:45 p.m.-6:40 p.m.

2 stops39h 55m

Siem Reap–Angkor Intl

Sat 21/2

1:25 p.m.-9:20 a.m.

2 stops55h 55m

C$ 2,550

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Best time to book a flight from Niagara Falls to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Niagara Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Niagara Falls to Siem Reap
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Siem Reap

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated 26 January 2026.
Read reviews from past customers who have flown United Airlines from Niagara Falls to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,199 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,199 reviews
United Airlines
7.4
Good
9,199 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Niagara Falls to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Siem Reap from Niagara Falls?

    If you book a flight to Siem Reap from Niagara Falls, you will be flying to Siem Reap–Angkor Intl, which is the city’s only airport. Siem Reap–Angkor Intl (SAI) is located 39.7 km from the centre of Siem Reap. There are 0 flights from Niagara Falls to Siem Reap–Angkor Intl per day from 1 airline.

  • How long is the flight from Niagara Falls to Siem Reap?

    For as low as C$ 1,345, United Airlines can have you in Siem Reap from Niagara Falls in 34h. Airlines will cover a distance of 13649 km.

  • Can I find deals for flights from Niagara Falls to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Niagara Falls to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Niagara Falls to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Niagara Falls to Siem Reap.

  • Can I find deals for business class flights from Niagara Falls to Siem Reap?

    Yes. Cheapflights offers flight deals from Niagara Falls to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Niagara Falls to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Siem Reap flights
Pierre Elliott Trudeau Intl to Siem Reap flights
Ottawa to Siem Reap flights

Top airline flying from Niagara Falls to Siem Reap

Discover the top airline that operate flights from Niagara Falls to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,286AverageC$ 1,365FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Niagara Falls to Siem Reap?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Siem Reap from Niagara Falls today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Niagara Falls to Siem Reap?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Siem Reap from Niagara Falls.

Can Cheapflights find flights from Niagara Falls to Siem Reap with no change fees?

Need flexible booking options for your flight to Siem Reap from Niagara Falls? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Niagara Falls to Siem Reap become cheaper?

Of course! You can now track prices for flights from Niagara Falls to Siem Reap and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.