Cheap Flights from Washington to Phnom-penh
Cheap Flights from Washington to Phnom-penh
Looking for cheap flights from Washington to Phnom-penh? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from Washington to Phnom-penh vary by season, cabin, and date, but available award flights can start around 37,500 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from Washington to Phnom-penh for specific travel dates.
2026-11-10
IAD - KTI
Economy | 2 Stops
From 37,500 Pts + $22.8
2026-11-11
DCA - KTI
Economy | 2 Stops
From 37,500 Pts + $22.8
2026-11-17
IAD - KTI
Economy | 2 Stops
From 37,500 Pts + $22.8
Washington to Phnom-penh flight facts
Distance
8,961 mi
14,422 km in a straight line
Estimated flight time
about 18h 30m
In the air, for the straight-line distance
Time difference
+12h
Phnom-penh is 12 hours ahead of Washington.
Airports in Washington
DCA · Ronald Reagan Washington National
IAD · Washington Dulles Intl
Airports in Phnom-penh
KTI · Techo International Airport
Nearby airport alternatives
Flights Washington - Ho Chi Minh City · Ho Chi Minh City is 124 mi from Phnom-penh
Premium cabin flights from Washington to Phnom-penh
Selected hotels for your next stay
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Frequently Asked Questions
The cheapest route from Washington to Phnom-penh depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from Washington to Phnom-penh.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Washington to Phnom-penh.
Washington and Phnom-penh are about 8,961 miles (14,422 km) apart in a straight line.
Flying the 8,961-mile straight-line distance takes about 18h 30m in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
Phnom-penh is 12 hours ahead of Washington.
Departures from Washington: Ronald Reagan Washington National (DCA), Washington Dulles Intl (IAD). Arrivals in Phnom-penh: Techo International Airport (KTI).
Travelers searching this route also look at other popular routes into Phnom-penh, plus the return trip when we track it. Fares and award space change daily.
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