$556 Cheap Flights from Washington (IAD) to Phnom Penh (PNH)

Bundle Your Flight + Hotel & Save!

Popular airlines among travelers

Malaysia Airlines
Korean Air
Etihad Airways
Singapore Airlines
Emirates
Qatar Airways
Asiana Airlines
Delta
Austrian Airlines
    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Washington to Phnom Penh (IAD-PNH)

Prices were available within the past 7 days and start at $556 for one-way flights and $1,080 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Etihad Airways
China Airlines
Air Canada
Qatar Airways
Malaysia Airlines
Singapore Airlines
Delta
Korean Air
Flights from Washington (IAD) to Phnom Penh (PNH)
Origin airport
Washington Dulles Intl.
Destination airport
Phnom Penh Intl.
Airlines serving
Air Canada, Air China, Air France, All Nippon Airways, Asiana Airlines, Austrian Airlines, China Airlines, Delta, Emirates, Etihad Airways, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Swiss International Air Lines, United
Roundtrip price
$1,080
Distance
8943 mi

Washington to Phnom Penh Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Washington to Phnom Penh offer the perfect respite. Not only does exploring Phnom Penh provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Washington to Phnom Penh may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Phnom Penh are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Phnom Penh more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Phnom Penh is $556 now!

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to PNH?
The lowest price advertised for a round-trip journey between Dulles Intl. Airport and Phnom Penh Intl. Airport (PNH) is $1,080. But you better act fast. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to Phnom Penh Intl. Airport (PNH)?
The majority of flights can be canceled online, but each air carrier has its own terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Dulles Intl. Airport to Phnom Penh Intl. Airport (PNH) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Washington Dulles Intl. Airport (IAD) to Phnom Penh Intl. Airport (PNH) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from IAD to PNH?
You’ll have 8950 mi to cover on the long-haul Chantilly to Cambodia route. Dress in comfy clothes and consider taking some noise-canceling headphones and a sleep mask.
Which airlines fly direct from IAD to PNH?
At present, no airlines offer flights directly from Dulles Intl. Airport to Phnom Penh Airport. You’ll need to book a flight with at least one stop. To score the best connections and price, lock in your airfare well ahead of time.
Are Washington Dulles Intl. Airport (IAD) to PNH flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so there are no guarantees. While last-minute flight deals between Washington Dulles Intl. Airport (IAD) and PNH are possible, it’s also a good idea to monitor prices well before you fly. In fact, some carriers publish their prices up to 12 months before the departure date. Expedia is continuously updating the biggest bargains around, so keep checking and be ready to grab your seat when prices drop.
*Available to One Key members.