The cheapest times to fly from SLC to REP are
- February 19th to March 4th
- April 2nd to April 22nd
- August 6th to December 9th (except the week of October 8th)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SLC to REP is early September. Prices can be as high as $3574 for Sunday flights during early May, or as low as $895 for Tuesday flights around early September.
When to Fly to Krong Siem Reap
Flying from Salt Lake City, UT (SLC) to Siem Reap (REP) will usually cost between $952 to $2780 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $945. Due to high demand the most expensive time to fly is early May, with an average price of $2839. Planning your trip to low-cost times can easily save you $1894 on economy flights and even more on first-class flights. Generally, any price below $1368 can be considered a good price for a round-trip SLC to REP flight.
See below for a graph of average weekly prices for the SLC to REP route. All prices are for round-trip tickets in USD.
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Compared to other flights, the SLC to REP flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Salt Lake City. The average price per mile (for a direct flight) is $0.11, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to fly to REP, and Monday the cheapest day to fly back into SLC. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $455 (25%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1317. Return trip prices are from the REP to SLC flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from SLC to REP can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 15 hour 28 minutes may not be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SLC to REP while comparing.
- 146 miles (235 km) away from REP
- Usually 24.02% less expensive than REP
- 2-layover flights available
Flight Hacking SLC to REP
Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SLC to REP — but Champion Traveler does!
- Price for both tickets: $978
- Average savings: $390 (28.48%)
- Price for both tickets: $1001
- Average savings: $367 (26.84%)
- Price for both tickets: $1046
- Average savings: $322 (23.51%)
Flight Questions Answered
Still have questions about flying from SLC to REP? We’ve got answers.
Which airlines fly this route?
You can find 22 major airlines flying this route most often: Air Canada, Air France, Alaska, American, ANA, Asiana, Bangkok Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, EVA Air, JAL, KLM, Qantas, Singapore Airlines, United, Vietnam Airlines, WestJet, Xiamen, and potentially more during busy seasons.
How far away is it from Siem Reap International Airport to Salt Lake City International Airport?
The distance between the two airports is roughly 8047 miles or 12950 kilometers.
How long does it take to fly from SLC to REP?
The real-world flight time for a nonstop SLC to REP flight is about 15 hour 28 minutes.
How many flights go between Salt Lake City, UT and Siem Reap?
It depends on the day of the week and the date, but a typical day might have around 49 available flights from SLC to REP.
Airport Location Info
Departing Airport
Origination code | SLC |
Origination airport name | Salt Lake City International Airport |
City | Salt Lake City, UT |
Country | the United States |
Latitude | 40.8 |
Longitude | -112 |
Return Airport
Destination code | REP |
Destination airport name | Siem Reap International Airport |
City | Siem Reap |
Country | Cambodia |
Latitude | 13.4 |
Longitude | 103.8 |
Other Resources
Flights to REP
Flights from REP
Popular Flights
Flights to SLC
Flights from SLC
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.