Cheap Flights from Washington D.C. (IAD) to Phnom Penh (KTI)

Compare Washington Dulles to Techo flight deals

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Flight deals from Washington Dulles to Techo

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Techo Airport? If you want to travel next month, return fares start from $1,990. Find the lowest prices on one-way and return tickets right here.

Phnom Penh.$1,708 per passenger.Departing Wed, 9 Sep, returning Tue, 10 Nov.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Wed, 9 Sep, arriving in Techo.Inbound indirect flight with Qatar Airways, departs from Techo on Tue, 10 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $1,708, select.

Phnom Penh.$1,722 per passenger.Departing Tue, 6 Oct, returning Wed, 14 Oct.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Tue, 6 Oct, arriving in Techo.Inbound indirect flight with Qatar Airways, departs from Techo on Wed, 14 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $1,722, select.

Phnom Penh.$1,723 per passenger.Departing Mon, 19 Oct, returning Mon, 2 Nov.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Mon, 19 Oct, arriving in Techo.Inbound indirect flight with Etihad Airways, departs from Techo on Mon, 2 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $1,723, select.

Phnom Penh.$1,723 per passenger.Departing Tue, 8 Sep, returning Thu, 8 Oct.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Tue, 8 Sep, arriving in Techo.Inbound indirect flight with Turkish Airlines, departs from Techo on Thu, 8 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $1,723, select.

Phnom Penh.$1,784 per passenger.Departing Thu, 28 Jan, returning Mon, 8 Feb.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Thu, 28 Jan, arriving in Techo.Inbound indirect flight with Turkish Airlines, departs from Techo on Mon, 8 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $1,784, select.

Phnom Penh.$1,789 per passenger.Departing Wed, 2 Sep, returning Thu, 10 Sep.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Wed, 2 Sep, arriving in Techo.Inbound indirect flight with Qatar Airways, departs from Techo on Thu, 10 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $1,789, select.

Phnom Penh.$1,800 per passenger.Departing Tue, 5 Jan, returning Tue, 9 Mar.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Tue, 5 Jan, arriving in Techo.Inbound indirect flight with Qatar Airways, departs from Techo on Tue, 9 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $1,800, select.

Phnom Penh.$1,814 per passenger.Departing Tue, 6 Apr, returning Tue, 20 Apr.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Tue, 6 Apr, arriving in Techo.Inbound indirect flight with Qatar Airways, departs from Techo on Tue, 20 Apr, arriving in Washington Dulles.Price includes taxes and charges.From $1,814, select.

Phnom Penh.$1,815 per passenger.Departing Wed, 14 Oct, returning Wed, 17 Mar.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Wed, 14 Oct, arriving in Techo.Inbound indirect flight with Qatar Airways, departs from Techo on Wed, 17 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $1,815, select.

Phnom Penh.$1,816 per passenger.Departing Thu, 18 Mar, returning Fri, 28 May.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Thu, 18 Mar, arriving in Techo.Inbound indirect flight with Qatar Airways, departs from Techo on Fri, 28 May, arriving in Washington Dulles.Price includes taxes and charges.From $1,816, select.

Phnom Penh.$1,816 per passenger.Departing Thu, 18 Mar, returning Thu, 1 Jul.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Thu, 18 Mar, arriving in Techo.Inbound indirect flight with Qatar Airways, departs from Techo on Thu, 1 Jul, arriving in Washington Dulles.Price includes taxes and charges.From $1,816, select.

Phnom Penh.$1,816 per passenger.Departing Thu, 18 Mar, returning Wed, 30 Jun.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Thu, 18 Mar, arriving in Techo.Inbound indirect flight with Qatar Airways, departs from Techo on Wed, 30 Jun, arriving in Washington Dulles.Price includes taxes and charges.From $1,816, select.

Phnom Penh.$1,829 per passenger.Departing Fri, 6 Nov, returning Wed, 16 Dec.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Fri, 6 Nov, arriving in Techo.Inbound indirect flight with Qatar Airways, departs from Techo on Wed, 16 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $1,829, select.

Phnom Penh.$1,990 per passenger.Departing Mon, 3 Aug, returning Tue, 25 Aug.Return flight with Korean Air and Thai VietJet Air.Outbound indirect flight with Korean Air, departs from Washington Dulles on Mon, 3 Aug, arriving in Techo.Inbound indirect flight with Thai VietJet Air, departs from Techo on Tue, 25 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $1,990, select.

Phnom Penh.$2,126 per passenger.Departing Sat, 2 Jan, returning Sat, 16 Jan.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Sat, 2 Jan, arriving in Techo.Inbound indirect flight with Etihad Airways, departs from Techo on Sat, 16 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $2,126, select.

Phnom Penh.$2,139 per passenger.Departing Sun, 15 Nov, returning Sun, 29 Nov.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Sun, 15 Nov, arriving in Techo.Inbound indirect flight with Qatar Airways, departs from Techo on Sun, 29 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $2,139, select.

Find the cheapest month to fly from Washington Dulles to Techo

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Techo flights are currently cheapest in October.

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Washington D.C. to Phnom Penh: Flight information

The things to know before you go.

Cheapest flight found	$1,708
Cheapest month to fly	September

Finding cheap flights from Washington Dulles to Techo: Frequently asked questions

How much are return flights from Washington Dulles to Techo?

The best price we found for a return flight from Washington Dulles to Techo is $1,708. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Washington Dulles to Techo?

Currently, there are no airlines that fly direct from Washington Dulles to Techo. But we found flights with one or more stops from $1,708.

How many flights are there a week from Washington Dulles to Techo?

As of July 2026, there are no flights flying from Washington Dulles to Techo.

When is the cheapest time to fly from Washington Dulles to Techo?

The cheapest month to fly from Washington Dulles to Techo is usually September.

Which upcoming date is cheapest to fly from Washington Dulles Airport to Techo Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Techo Airport on Wednesday, 9 September 2026.

Can I get a direct flight from Washington Dulles Airport to Techo Airport?

No airlines currently offer direct flights between Washington Dulles Airport and Techo Airport. Most routes have one or more stops.

How can I find the best flight deal to Techo?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Techo but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Phnom Penh?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phnom Penh is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Washington Dulles Airport to Techo with?

Currently, Qatar Airways offers the cheapest flight tickets to Techo.

Flying from Washington Dulles Airport (IAD) to Techo International Airport (KTI): what you need to know

Phnom Penh's timezone is UTC+7, which makes Phnom Penh 12 hours ahead of Washington DC.
Your IAD to KTI flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.
You'll likely experience longer queues in popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a good idea.

How to find the cheapest flights from Washington Dulles Airport (IAD) to Techo International Airport (KTI)

$1,118 is currently the lowest price for a one-way Washington Dulles Airport to Techo International Airport flight. Return flights start from $1,706. These prices may change depending on demand.
To find cheap tickets from IAD to KTI, book in advance. Airlines usually offer the most competitive fares when flights are first made available.
Getting cheap flights from Washington Dulles Airport to Techo International Airport is easy if you can be flexible with your trip dates. Use the 'Whole month' search function to see the best prices across each month and snap up a great deal.
Cut down on the time spent looking for cheap flights from IAD to KTI by creating a Price Alert. You'll receive an email or notification on the app when a lower fare pops up.
Lock in the right flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Washington Dulles Airport to Techo International Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Washington Dulles Airport (IAD)

You'll find IAD at 1 Saarinen Circle.
When it comes to the on-time performance of Washington Dulles Airport, 77% of flights meet their scheduled arrival time.
Washington Dulles Airport is around 40 kilometres from central Washington DC. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 45 minutes or so to get there, depending on the traffic.
The trip when using public transport takes roughly 1 hour 10 minutes.
Have an early flight from Washington Dulles Airport to Techo International Airport? Avoid the hassle of rushing to the terminal (and get some extra shut-eye) by choosing one of these hotels near IAD:

Arriving at Techo International Airport (KTI)

Get off your Washington Dulles Airport to Techo International Airport flight and jump into your hotel bed soon after. If you want a handy option that's not too far from KTI, consider zhuo' bo Hotel.

When to fly to Techo International Airport (KTI)

January is the busiest month for flights from Washington Dulles Airport to Techo International Airport. To avoid the crowds, travel to Phnom Penh in March.
Lock in your flight from Washington Dulles Airport to Techo International Airport for March if you want to explore Phnom Penh during its warmest month. Expect temperatures of between 23ºC (73ºF) and 38ºC (100ºF).
January has average temperatures of between 20ºC (68ºF) and 33ºC (91ºF). Search for cheap tickets from IAD to KTI sometime around then if you like travelling in cooler conditions.

Explore more of Cambodia

You've seen Phnom Penh, now it's time to explore other corners of Cambodia. Journey about 193 kilometres south-west to Sihanoukville to check off its popular sights. From Otres Beach to Independence Beach and Sokha Beach, your itinerary will be busy.
Around 257 kilometres north-west of Phnom Penh, Battambang is another favourite stop in Cambodia. Get a taste of what this destination has to offer at Phare Ponleu Selpak, Phnom Sampeau and Sammaki Art Space.