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Cheap flights from Niagara Falls, ON to Siem Reap, Cambodia from C$ 1,079

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAI
18 Apr — 25 Apr1
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 19 March 2026.

Mon 11/510:00 a.m.
YYZ
-
SAI
2 stops36h 40m
United Airlines
Wed 27/510:30 a.m.
SAI
-
YYZ
2 stops41h 07m
United Airlines
Deal found 17/3C$ 1,553
Tue 13/1010:25 p.m.
YYZ
-
SAI
2 stops47h 35m
Multiple Airlines
Sun 1/117:25 p.m.
SAI
-
YYZ
2 stops37h 14m
Multiple Airlines
Deal found 18/3C$ 1,727
Thu 16/42:55 p.m.
YYZ
-
SAI
2 stops43h 35m
Emirates
Thu 23/411:50 p.m.
SAI
-
YYZ
2 stops44h 40m
Emirates
Deal found 18/3C$ 1,863
Tue 13/102:55 p.m.
YYZ
-
SAI
2 stops43h 35m
Emirates
Sun 1/111:20 p.m.
SAI
-
YYZ
2 stops31h 30m
Emirates
Deal found 18/3C$ 1,864
Tue 17/310:35 p.m.
YYZ
-
SAI
2 stops47h 40m
Multiple Airlines
Mon 11/57:30 p.m.
SAI
-
YYZ
2 stops35h 00m
Multiple Airlines
Deal found 17/3C$ 2,137
Mon 11/57:15 a.m.
YYZ
-
SAI
3 stops38h 50m
Multiple Airlines
Wed 27/57:30 p.m.
SAI
-
YYZ
2 stops30h 30m
Multiple Airlines
Deal found 17/3C$ 2,149

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 19 March 2026.

Round-trip from

C$ 1,553

One-way from

C$ 1,079
United Airlines
  • United Airlines
  • 11/5-27/5
  • 4 total stops
  • 77h 47m total
  • Niagara Falls to Siem Reap
Search Deals
30/3
  • 30/3
  • 2 total stops
  • 30h 00m 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 19 March 2026.
Use the filters below to find and compare flights from Niagara Falls to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 11/5

10:00 a.m.-9:40 a.m.

2 stops36h 40m

Siem Reap–Angkor Intl

Wed 27/5

10:30 a.m.-4:37 p.m.

2 stops41h 07m

C$ 1,553

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Thu 16/4

11:00 a.m.-9:30 p.m.

3 stops47h 30m

Siem Reap–Angkor Intl

Thu 23/4

11:50 p.m.-9:30 a.m.

2 stops44h 40m

C$ 2,235

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Fri 24/4

1:40 p.m.-6:45 p.m.

2 stops42h 05m

Siem Reap–Angkor Intl

Sun 17/5

9:40 a.m.-8:55 a.m.

2 stops34h 15m

C$ 2,364

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Thu 16/4

1:10 p.m.-11:10 a.m.

3 stops35h 00m

Siem Reap–Angkor Intl

Thu 23/4

3:00 p.m.-9:42 p.m.

3 stops41h 42m

C$ 2,659

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 11/5

7:55 p.m.-6:45 p.m.

2 stops35h 50m

Siem Reap–Angkor Intl

Wed 27/5

9:40 a.m.-5:55 p.m.

2 stops43h 15m

C$ 3,186
Quickest round-trip

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 11/5

7:55 p.m.-6:45 p.m.

2 stops35h 50m

Siem Reap–Angkor Intl

Sat 30/5

7:30 p.m.-5:55 p.m.

2 stops33h 25m

C$ 3,199

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 11/5

7:00 a.m.-9:30 p.m.

3 stops27h 30m

Siem Reap–Angkor Intl

Sat 30/5

11:50 p.m.-1:38 p.m.

3 stops48h 48m

C$ 6,167

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 11/5

4:25 p.m.-8:10 p.m.

3 stops40h 45m

Siem Reap–Angkor Intl

Wed 27/5

9:10 p.m.-2:25 p.m.

2 stops52h 15m

C$ 7,308
Cheapest one-way
Quickest one-way

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 30/3

1:45 a.m.-6:45 p.m.

2 stops30h 00m

C$ 1,079

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 14/9

1:45 a.m.-6:45 p.m.

2 stops30h 00m

C$ 1,125

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/3

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 19 March 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
9,439 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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
9,439 reviews
United Airlines
7.4
Good
9,439 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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$ 1,867, United Airlines can have you in Siem Reap from Niagara Falls in 34h 25m. Airlines will cover a distance of 13649 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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

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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 19 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,287AverageC$ 1,366FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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.

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