$480+ Cheap flights from the United States to Siem Reap, Cambodia (SAI)
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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAI
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from USA to Siem Reap with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from USA to Siem Reap
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Cheapest flights from USA to Siem ReapExplore the most affordable flight options available from USA to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from USA to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This Justfly.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:45 am -
1 stop40h 15m
Tue 11/1710:45 am -
1 stop35h 25m
Deal found 8/16![Singapore Airlines logo]()
$750
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:50 pm -
1 stop29h 30m
Wed 9/237:10 pm -
1 stop36h 45m
Deal found 8/13![Vietnam Airlines logo]()
$760
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:40 am -
1 stop39h 20m
Wed 11/1110:45 am -
1 stop36h 05m
Deal found 8/13![Singapore Airlines logo]()
$810
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:30 pm -
3 stops65h 40m
Sat 8/298:20 pm -
2 stops27h 45m
Deal found 8/13![Multiple Airlines logo]()
$830
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:10 pm -
1 stop29h 30m
Sat 11/79:30 pm -
1 stop34h 30m
Deal found 8/13![Vietnam Airlines logo]()
$834
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:45 am -
1 stop37h 25m
Thu 10/2210:30 am -
1 stop37h 20m
Deal found 8/16![Singapore Airlines logo]()
$861
This Expedia deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:35 pm -
2 stops29h 10m
Mon 11/239:55 am -
2 stops26h 00m
Deal found 8/15![Multiple Airlines logo]()
$887
This Gotogate deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:25 am -
2 stops27h 30m
Mon 8/3112:55 pm -
2 stops23h 40m
Deal found 8/12![Multiple Airlines logo]()
$893
This SmartFares deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:25 pm -
2 stops30h 35m
Wed 10/219:40 am -
2 stops26h 20m
Deal found 8/15![Multiple Airlines logo]()
$898
This oojo deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:35 pm -
2 stops29h 10m
Sun 12/61:20 pm -
2 stops22h 35m
Deal found 8/12![Multiple Airlines logo]()
$906
This Gotogate deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:20 am -
2 stops28h 35m
Wed 9/2312:55 pm -
2 stops23h 45m
Deal found 8/13![Multiple Airlines logo]()
$917
This Justfly.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:45 am -
1 stop34h 10m
Thu 12/310:45 am -
1 stop35h 25m
Deal found 8/14![Singapore Airlines logo]()
$925
Best flights from USA to Siem ReapDiscover carefully curated flight deals from USA to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from USA to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This oojo deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:40 am -
1 stop39h 20m
Wed 11/1110:45 am -
1 stop36h 05m
Deal found 8/17![Singapore Airlines logo]()
$810
This oojo deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:35 pm -
2 stops29h 10m
Sun 12/61:20 pm -
2 stops22h 35m
Deal found 8/12![Multiple Airlines logo]()
$906
This Booking.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:50 pm -
3 stops27h 35m
Sat 3/279:30 pm -
1 stop34h 25m
Deal found 8/15![Vietnam Airlines logo]()
$1,073
This Emirates deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:00 pm -
2 stops26h 15m
Wed 10/712:55 pm -
2 stops36h 30m
Deal found 8/16![Emirates logo]()
$1,090
This KAYAK deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:50 pm -
2 stops27h 05m
Mon 12/77:25 pm -
3 stops57h 30m
Deal found 8/15![Lufthansa logo]()
$1,436
This Globehunters deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:10 am -
2 stops43h 00m
Sun 10/47:10 pm -
2 stops33h 30m
Deal found 8/13![ANA logo]()
$1,446
This Ovago deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/222:20 pm -
2 stops58h 20m
Sun 12/137:25 pm -
2 stops50h 55m
Deal found 8/13![Etihad Airways logo]()
$1,494
This oojo deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:40 am -
1 stop39h 20m
Wed 11/1110:45 am -
1 stop36h 05m
Deal found 8/17![Singapore Airlines logo]()
$810
This Qatar Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 pm -
3 stops31h 15m
Sun 10/47:35 pm -
3 stops36h 20m
Deal found 8/13![Qatar Airways logo]()
$1,636
This Gotogate deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:20 am -
2 stops28h 35m
Wed 9/2312:55 pm -
2 stops23h 45m
Deal found 8/13![Multiple Airlines logo]()
$917
This oojo deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:55 pm -
2 stops28h 50m
Wed 11/111:20 pm -
2 stops22h 55m
Deal found 8/17![Multiple Airlines logo]()
$929
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/128:45 am -
1 stop40h 15m
Sun 2/214:45 pm -
1 stop53h 25m
Deal found 8/12![Singapore Airlines logo]()
$949
This Emirates deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:20 am -
2 stops23h 10m
Tue 10/2711:50 pm -
2 stops44h 00m
Deal found 8/14![Emirates logo]()
$1,090
This SmartFares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:55 am -
2 stops30h 00m
Sun 10/49:40 am -
2 stops38h 30m
Deal found 8/12![Multiple Airlines logo]()
$956
This oojo deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:05 pm -
1 stop26h 55m
Sun 12/610:45 am -
1 stop24h 10m
Deal found 8/15![Singapore Airlines logo]()
$980
This Emirates deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 pm -
3 stops36h 10m
Sat 10/1011:50 pm -
3 stops30h 05m
Deal found 8/12![Emirates logo]()
$1,189
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:30 pm -
2 stops26h 30m
Fri 10/167:10 pm -
2 stops33h 15m
Deal found 8/13![Multiple Airlines logo]()
$1,016
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:15 pm -
2 stops31h 45m
Sun 12/610:45 am -
2 stops36h 30m
Deal found 8/13![Singapore Airlines logo]()
$1,094
This Emirates deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:20 pm -
3 stops34h 50m
Sun 12/61:20 pm -
2 stops54h 55m
Deal found 8/14![Emirates logo]()
$1,206
This Travelocity deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:55 pm -
2 stops28h 50m
Sat 11/77:25 pm -
2 stops40h 50m
Deal found 8/13![Multiple Airlines logo]()
$1,022
This Qatar Airways deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:01 pm -
3 stops31h 14m
Mon 12/77:25 pm -
3 stops38h 27m
Deal found 8/14![Qatar Airways logo]()
$1,712
This KAYAK deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:55 pm -
3 stops34h 50m
Sun 12/137:25 pm -
2 stops33h 30m
Deal found 8/13![Lufthansa logo]()
$1,749
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:30 am -
2 stops27h 25m
Thu 10/19:40 am -
2 stops23h 40m
Deal found 8/13![Multiple Airlines logo]()
$1,095
This Emirates deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:15 pm -
2 stops29h 00m
Wed 12/161:20 pm -
2 stops38h 15m
Deal found 8/16![Emirates logo]()
$1,349
This oojo deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:20 pm -
2 stops30h 55m
Mon 12/79:55 am -
2 stops36h 25m
Deal found 8/14![Etihad Airways logo]()
$1,930
This KAYAK deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/128:45 am -
1 stop40h 15m
Sun 2/214:45 pm -
2 stops35h 53m
Deal found 8/12![Multiple Airlines logo]()
$1,114
This Qatar Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:30 pm -
3 stops28h 45m
Sun 12/61:20 pm -
3 stops37h 09m
Deal found 8/13![Qatar Airways logo]()
$1,840
This Emirates deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:55 pm -
3 stops58h 15m
Mon 11/21:20 pm -
3 stops43h 50m
Deal found 8/16![Emirates logo]()
$1,395
This KAYAK deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:30 pm -
2 stops51h 10m
Sun 10/47:35 pm -
3 stops29h 05m
Deal found 8/16![Lufthansa logo]()
$1,913
This Emirates deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:05 pm -
2 stops53h 35m
Wed 11/181:20 pm -
2 stops38h 15m
Deal found 8/16![Emirates logo]()
$1,401
Last-minute flights from USA to Siem ReapDiscover last-minute flight deals from USA to Siem Reap. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from USA to Siem Reap. Data last updated August 17, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:25 am -
2 stops27h 30m
Mon 8/3112:55 pm -
2 stops23h 40m
Deal found 8/12![Multiple Airlines logo]()
$893
This oojo deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:20 pm -
2 stops39h 35m
Wed 8/267:35 pm -
2 stops41h 00m
Deal found 8/15![Multiple Airlines logo]()
$1,041
This SmartFares deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:25 am -
2 stops27h 30m
Thu 8/277:35 pm -
2 stops35h 20m
Deal found 8/15![Multiple Airlines logo]()
$948
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:30 pm -
3 stops65h 40m
Sat 8/298:20 pm -
2 stops27h 45m
Deal found 8/13![Multiple Airlines logo]()
$830
This Gotogate deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:20 am -
2 stops28h 35m
Wed 9/2312:55 pm -
2 stops23h 45m
Deal found 8/13![Multiple Airlines logo]()
$917
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:50 pm -
1 stop29h 30m
Wed 9/237:10 pm -
1 stop36h 45m
Deal found 8/13![Vietnam Airlines logo]()
$760
This Justfly.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:15 am -
1 stop33h 25m
Thu 10/110:30 am -
1 stop36h 15m
Deal found 8/13![Singapore Airlines logo]()
$1,046
This SmartFares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:55 am -
2 stops30h 00m
Sun 10/49:40 am -
2 stops38h 30m
Deal found 8/12![Multiple Airlines logo]()
$956
This Justfly.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:30 pm -
2 stops26h 30m
Mon 12/146:40 pm -
2 stops33h 40m
Deal found 8/16![Multiple Airlines logo]()
$1,016
This Orbitz deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:25 am -
2 stops28h 30m
Tue 9/297:35 pm -
2 stops34h 55m
Deal found 8/14![Multiple Airlines logo]()
$1,000
This Justfly.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:50 pm -
2 stops33h 30m
Tue 12/159:30 pm -
2 stops40h 03m
Deal found 8/16![Multiple Airlines logo]()
$1,028
This Emirates deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:20 pm -
3 stops50h 55m
Wed 10/712:55 pm -
2 stops30h 55m
Deal found 8/16![Emirates logo]()
$1,090
One-way flights from USA to Siem ReapSearch for one-way flight options from USA to Siem Reap. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from USA to Siem Reap. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This oojo deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:25 am -
2 stops27h 30m
Deal found 8/12![Multiple Airlines logo]()
$480
This oojo deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:50 pm -
1 stop29h 30m
Deal found 8/12![Vietnam Airlines logo]()
$483
This oojo deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/58:45 am -
1 stop40h 15m
Deal found 8/14![Singapore Airlines logo]()
$492
This oojo deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/231:20 am -
2 stops27h 35m
Deal found 8/12![Multiple Airlines logo]()
$494
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:30 am -
2 stops42h 30m
Deal found 8/13![China Eastern logo]()
$500
This KAYAK deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:50 pm -
1 stop29h 30m
Deal found 8/12![Vietnam Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2911:30 am -
2 stops42h 30m
Deal found 8/13![China Eastern logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:45 pm -
2 stops32h 00m
Deal found 8/15![Multiple Airlines logo]()
$507
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:50 pm -
1 stop29h 30m
Deal found 8/13![Multiple Airlines logo]()
$508
This KAYAK deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:20 am -
2 stops27h 35m
Deal found 8/13![Multiple Airlines logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:20 pm -
2 stops52h 40m
Deal found 8/16![Multiple Airlines logo]()
$511
This SmartFares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:25 am -
2 stops31h 35m
Deal found 8/13![Multiple Airlines logo]()
$511
Find flight deals from USA to Siem Reap
Keep the following information in mind while searching for USA to Siem Reap flight deals. Data was last updated August 17, 2026.
Round-trip from | $750 (Justfly.com) |
|---|---|
One-way from | $480 (oojo) |
Popular in | November |
Cheapest in | March |
Average price | $1,517 |
Cheapflights Fare Finder
Customize your flight search to find flights from USA 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 2,558,603 searches. Data last updated August 17, 2026.
Use the filters below to find and compare flights from the United States to Siem Reap that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoSiem Reap
SFO San Francisco - SAI Siem Reap–Angkor Intl
SFOSAI
San Francisco
Tue 11/3
9:40 am-4:00 pm
1 stop39h 20m
Siem Reap–Angkor Intl
Wed 11/11
10:45 am-7:50 am
1 stop36h 05m
$810
San FranciscoSiem Reap
SFO San Francisco - SAI Siem Reap–Angkor Intl
SFOSAI
San Francisco
Mon 11/2
9:40 am-4:00 pm
1 stop39h 20m
Siem Reap–Angkor Intl
Wed 11/11
10:45 am-7:50 am
1 stop36h 05m
$810
Los AngelesSiem Reap
LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl
LAXSAI
Los Angeles Los Angeles
Tue 11/24
10:35 pm-6:45 pm
2 stops29h 10m
Siem Reap–Angkor Intl
Sun 12/6
1:20 pm-8:55 pm
2 stops22h 35m
$906
San FranciscoSiem Reap
SFO San Francisco - SAI Siem Reap–Angkor Intl
SFOSAI
San Francisco
Tue 9/15
12:20 am-6:55 pm
2 stops28h 35m
Siem Reap–Angkor Intl
Wed 9/23
12:55 pm-10:40 pm
2 stops23h 45m
$917
San FranciscoSiem Reap
SFO San Francisco - SAI Siem Reap–Angkor Intl
SFOSAI
San Francisco
Tue 11/3
10:55 pm-6:45 pm
2 stops28h 50m
Siem Reap–Angkor Intl
Wed 11/11
1:20 pm-9:15 pm
2 stops22h 55m
$929
SeattleSiem Reap
SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl
SEASAI
Seattle/Tacoma Intl
Fri 2/12
8:45 am-4:00 pm
1 stop40h 15m
Siem Reap–Angkor Intl
Sun 2/21
4:45 pm-7:10 am
1 stop53h 25m
$949
New YorkSiem Reap
JFK New York John F Kennedy Intl - SAI Siem Reap–Angkor Intl
JFKSAI
New York John F Kennedy Intl
Sun 9/20
1:55 am-6:55 pm
2 stops30h 00m
Siem Reap–Angkor Intl
Sun 10/4
9:40 am-1:10 pm
2 stops38h 30m
$956
Quickest round-trip
Los AngelesSiem Reap
LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl
LAXSAI
Los Angeles Los Angeles
Tue 11/24
10:05 pm-4:00 pm
1 stop26h 55m
Siem Reap–Angkor Intl
Sun 12/6
10:45 am-7:55 pm
1 stop24h 10m
$980
SeattleSiem Reap
SEA Seattle/Tacoma Intl - SAI Siem Reap–Angkor Intl
SEASAI
Seattle/Tacoma Intl
Sat 10/10
4:30 pm-9:00 am
2 stops26h 30m
Siem Reap–Angkor Intl
Fri 10/16
7:10 pm-2:25 pm
2 stops33h 15m
$1,016
San FranciscoSiem Reap
SFO San Francisco - SAI Siem Reap–Angkor Intl
SFOSAI
San Francisco
Sat 10/24
11:55 pm-6:45 pm
2 stops28h 50m
Siem Reap–Angkor Intl
Sat 11/7
7:25 pm-9:15 pm
2 stops40h 50m
$1,022
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from USA to Siem Reap
Have a flexible travel schedule? Discover the best time to fly to Siem Reap from USA with our price prediction graph.
SFO-SAI
LAX-SAI
JFK-SAI
CLT-SAI
EWR-SAI
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 the United States to Siem Reap
US0-SAI
SFO-SAI
LAX-SAI
JFK-SAI
CLT-SAI
What is the cheapest month to book a flight from USA to Siem Reap?
Currently, April is the cheapest month in which you can book a flight from USA to Siem Reap (average of $702). Flying from USA to Siem Reap in June is currently the most expensive (average of $1,499). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
The best insider tips for theUnited States to Siem Reap flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Siem Reap trip
Our travel experts
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 August 17, 2026.
Get a feel of what it's like to fly with Singapore Airlines and Vietnam Airlines from the United States to Siem Reap by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Overall
8.2
Entertainment
8.1
Boarding
8.3
Food
7.8
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SEA - SIN
Crew
8.6
Comfort
8.0
Overall
8.2
Entertainment
8.1
Boarding
8.3
Food
7.8
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SEA - SIN
Crew
8.6
Comfort
8.0
Overall
8.2
Entertainment
8.1
Boarding
8.3
Food
7.8
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SEA - SIN
Related info for your journey
Find useful and relevant information for your journey from USA to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for USA to Siem Reap
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Complete your trip
Complete your trip to Siem Reap by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from USA to Siem Reap by cabin class
Find flights from USA to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.
USA and Siem Reap flights
Browse other USA and Siem Reap flight options. Last updated on August 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from USA to Siem Reap
Discover the top 2 airlines that operate flights from USA 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 2,558,603 searches. Data last updated August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$511 | Average$915 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$647 | Average$1,222 | FlexibilityNo cancel fee | On-time81% |