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Find cheap flights from Phnom Penh to Washington from $716

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Phnom Penh to Washington departing on 5/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
א' 6/16
א' 6/23

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Best Washington Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Seattle
Seattle1 stop$986
Spokane
Spokane2 stops$1,572
Portland
Portland2 stops$1,447

Good to know

Low season

February

High season

June

Cheapest flight

$716
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 12% lower on average.
Flight from Phnom Penh to Seattle

FAQs - booking Washington flights

  • How does KAYAK find such low prices on flights from Phnom Penh to Washington?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Phnom Penh to Washington.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Phnom Penh to Washington?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington from Phnom Penh is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Phnom Penh to Washington?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington with an airline and back to Phnom Penh with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Phnom Penh to Washington?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington from Phnom Penh up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Washington

  • Morning departure is around 8% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top 4 airlines serving from Phnom Penh to Washington

 
Need help choosing which airline to fly with from Phnom Penh to Washington? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.2
Singapore AirlinesOverall score based on 1447 reviews
8.1Entertainment
8.7Crew
8.1Comfort
7.8Food
8.4Boarding
Airline reviews

My overall experience with Singapore Airlines is great. Will definitely fly Singapore airline again.

8.0 ExcellentAnonymous, Apr 2024SIN - JFK
Read more about Singapore Airlines reviews

My overall experience with Singapore Airlines is great. Will definitely fly Singapore airline again.

When boarding, after business class should be premium economy, but economy class already lined-up at the gate blocking premium economy to board. Singapore airline crew should done a better job to organize this chaos :( Thank you.

It seems paying premium economy does not make difference with economy. No priority boarding, not worthy paying extra$$$ for premium economy.

Flying with Singapore airlines is always excelllent - the crew are lovely and the food too is great. It’s my number 1 airline

They were able to assist my elderly father and myself after not being able to check in to scoot. The counter service was phenomenal. They did what they could to get us on the next plane so we could catch our Connecting flight. Scoot closed early on us so we ended up missing our flight.

They are great with every aspect of customer service. Helped my elderly father and aided him with using the restroom.

Even though it was a very full flight, the service was still excellent, the plane did not feel too cramped and cabin crew made a sincere effort to help passengers find overhead space for stowing luggage.

Due to the delay of my first flight, my connecting flight with JetBlue was canceled by Singapore Airlines, but the JetBlue crew was very accommodating and rebooked a seat for me. The crew was very nice and had good attitude.

The overall operation needs to be improved. The in-flight services took forever and sometimes ran out of options.

We were able to check in 48 hours before departure. The boarding was a breeze. The business' seat is very large with large tv screen. The lunch and dinner were excellent with selection of wines and other drinks. The seat was converted to a totally flat bed for sleeping which was very comfortable as well. We will definitely fly with Singapore Airline again in the future.

I am going to be just factual, not bad mouthing nor complaining, but this was my experience. With 3 pieces of luggage, I was told the flight from Mumbai to Dubai was cancelled due to flood. This was told not by the airport board which still showed the regular time of departure, but general stuff at the airport. No Emirates stuff around to direct the transfer passengers of the cancelled flights. By the departure counters with crowds of people, one by one, angry, frustrated, urgent conversations were going on. No announcement were made, no postings being seen, just private conversations. I still have 5+ hours of layover, so I let more urgent people settled first. However, the fact that no communication of when, what and where I should go was very unsettling. Basically no time limit waiting means, no meal, no sleep, no step away, no planning, no change plan, no telling of the family what to do. Nobody was able to tell you anything but asked you to wait, no chair, no space, no facility to freshen up. That went on for 10+ (from 5) hour without warnings and accurate communications. Email received from Emirates asked me not to go to Dubai at all, or boarding at the time that was passed. In other words, communication were very untimely, after the fact. That created more confusion instead. After changing several of boarding time, we were given the gate # and a boarding pass. However, the boarding pass still have the original time of boarding, so again, not knowing walking 30 min in the airport to the gate would make you late or not, therefore, still dare not to eat a meal. The flight arriving to Dubai was uneventful and I gave a 4/5 rating. I just thought the layover at Dubai would just cut short from 8+ hours to 2+ hours. At Dubai airport, I saw people sleeping on cardboard, knowing, these people got stranded but they dared to sleep because they know when to board and I didn't. Or these kind of delay are just so normal that people know what to do to pass time. Then the worst service and crazy thing happened. The boarding time on board for LA and at gate A9 was clearly 8:50AM. At 8:40, surprised by not having any boarding activities, then one single staff showed up and said to a few passengers that the boarding would be delayed without a time frame. Since only a few people know, I asked another Emirates staff at another counter, who simply said basically non of his business. I was shocked with that indifferent attitude. Yet every boards I saw show the same boarding time. What kind of system failure was that to prepare delay situation! How confusing and unnecessary chaos and anger that provoke. That poor staff had to repeat himself so many times, answered questions that he had no power nor information to provide nor solved. One an only one stuff to show up for 10 min, leaving the counter non-staff with board showing 8:50AM boarding. This was purely irresponsible from top to bottom of the entire airline operation staff. What kind of leader in a service industry would allow this to happen to their customers. Without explanation, after changing 3 times the boarding times, again, means you should not go to eat a full meal, because, when you found a mob at the gate. People who were stranded for 2 days were afraid of not getting a seat with a full plane. That would not be happening if the airline provide adequate guidance to each person, instead of just having 4 staff yelling at the gate at the same time to "control" the crowd, threatening no boarding and delay boarding. Finally, I was on board, hungry and tired, not sleep for 36 hours. I was denied with a snack of fruit. By the time meal was served, it was an hour later. Half way of the trip, I felt sleep in fetus position and did not want to move, happy I finally could have some shut eyes time. However, when I got up to the bathroom, I felt very light headed. Having sleep deprived, constipated for 3 days, dehydrated, I knew it could happen since my blood pressure usually was low closed to 90/60. Any lower then that, I could have syncope. Sure enough, I was on the floor just 10 feet from my seat and 5 feet to the bathroom. However, nobody called for help. I asked for warm water and juice to hydrate, came only with cold and icy drinks which I wouldn't take. I asked for blankets, one was given. Yet my shivering, needs to cover my head and multiple requests did not hasten to take the two blankets that are at my seat 10 feet away. I waited 10 min for that. While 2-3 staff surrounded me, nobody did the vitals until after 15 min, just the spirometer only of which did not work due to my cold fingers. The first reading was 86 and oxygen was suggested. But another supervising personnel came, fussed over another reading, ignoring my comfort and needs. Seemingly the reading of spirometer was the priority. By then, no oxygen needed. I had this fainting experience before, and I knew how to help myself. However, I was not being listened to but to be told this and that. Finally, I got better and returned to seat. One kind flight attendant said she would check back with me in 15 min. She did not come back. I felt asleep in that fetus position again and this time I woke up with a bad cramp at my left leg. Yet I needed to go to bathroom, the cramp was too bad to walk. So I stepped back to seat. When I tried again the second time, the other front leg got cramp. This time I dare not move but massaged myself. For all these 5-10 min, I called for attention. Attendants passed me by because they were carried with heavy load of blankets and stuff. Nobody answered the light. Then came landing and off board. I was asked by two attendants how I felt. I smiled and said "fine".

The customer service was very poor. I didn’t get any accommodations for my cancelled flight. I was without any sleep for 36 hours.

The customers before boarding the plane from Dubai was HORRENDOUS. The entire Emirates staff had a stick up their bum. The guy at the check in booth was rude. I don’t understand.

Food is really bad, not to the Emirates standards. Coming out of Houston airport is very confusing,

Service needs to improve. Air hostess do not register flyers request and we need to keep on repeating our request to them on multiple occasions

The flight was great. We had to purchase extra long seats for the long flight. But overall it was great.

The experience was not as pleasant returning as leaving. Went through clearance twice, crew was not as customer focused.

WORST AIRLINE EVER—FOOD WAS MEDIOCRE AND WIDEBODY 777 BOEING WAS VERY UNCOMFORTABLE! IT WAS NOT WORTH THE MONEY THAT I PAID.

Amazing service and food. However I didn’t get chance to choose my own seat which bothered me a little.

More space all around is practically essential on long international fights, and Emirates definitely delivers. But food selection and taste was only average. Otherwise, the flight was smooth and the cabin crew service was fine.

Very comfortable Prem economy seats for a long haul flight. Had a problem with the tv that the crew fixed so was great!

While I was in great pain, the seat was sufficiently comfortable to allow me to rest and not be in so much pain.

we were upgraded which was a blessing and tender mercy for us. I fell the day before and was in extreme pain from knee to shoulder. Sitting in a more comfortable seat during the flight was an unexpected blessing and experience.

Not impressed with check in desk staff at Vancouver airport. Not a professional mind service and not cared or tried to help. Don’t think I would fly with them again

Very comfortable flights. Not so many new releases in terms of films.

I felt thirsty and asked the flight attendent for water, but no one came for more than half an hour.

Everything went smooth. All flights were on time No changing gates, . No changing flights . It was like a completely different airlines tha n the last time I used Cathay Pacific . The last flight, 2 months ago, I had before this one was from Philippines also . I got changed in Manila and was told it only added 2 hours onto my flight . My 20 hour return trip ended up being 30 hours return with a 10.0 hour layover in New York with no seats anywhere . Everyone was sleeping or sitting on the floor . Unlike the hotel I was given in Manila to wait for this flight home . I never thought I would use Cathay Pacific again . But I did and this time you were great! I should have complained about the flight and layover from Hell a couple months ago. Consider that I am complaining about that august/23 flight now . Thank you got the great flying experience on my way home from philippines .

I traveled to Singapore for 5 days, I didn’t receive my luggage until the 3rd day. When I received my luggage was broken which they fixed it supposedly. I never had such a poor experience with the any other airline. I honestly think it should be a compensation for all of my losses and suffering that I went through.

i booked vegetarian hindu meal for my flights from delhi to hong kong, and hong kong to los angeles. on first flight, they said that they do no have my meal information. thank fuilly some veg meals were still left and i could eat. However, on second flight they game me hindu non vegetarian meal, and I ate shrimp without knowing. pathetic.

The staff were excellent considering it was a jam packed flight. We had to wait nearly an hour for our baggage to appear on the carousel. That was a real shame.

If you are over 170 cm, i would implore you to select an exit row or front row seat. You will not be able to sleep. Extremely uncomfortable.

My second consecutive experience of flight delay between 1.5 and close to 2hr. Resulting upsetting my biz agenda and additional expenses on local transportation to catch up

Expensive Poor check-in process staff only arrived 2h before boarding which is not a par with international standards Cabin was overly warm No seat Pocket No in seat charging No entertainment No WiFi option Slow cabin service Limited purchasing options Boarding was good Staff were presentable Flight was safe and on time

The flight attendants were not passing out soft drinks. They skipped a lot of rows and passengers were complaining.

The boarding a bit late but overall no drama. Will fly with jetstar again someday for sure.

seat legroom was quite narrow, so i could feel the person’s knees behind me.

Honestly, I Wouldn’t fly Jetstar if I had a choice.

Paid top dollar, and outrageous add ons to get squeezed into an uncomfortable seat with the least leg room possible. Probably best to avoid air travel whenever possible, maybe forever.

They lost my luggage. Doesn't exactly make the experience great.

Leg room is just too short and food costs and is not good quality. But the big issue was they said that my luggage would be transferred to the next flight, so no need for me to exit customs, get a visa and reboard. However that didn't happen and my luggage is still, 2 days later, in Denpasar. So whilst the flight went on time and was fairly average, I think that the cost vs quality is not good enough.

Book cheap flights from Phnom Penh to Washington

Recent round-trip flight deals

10/12ש'
1 stopAsiana Airlines
26h 50mPNH-SEA
10/16ד'
1 stopAsiana Airlines
18h 35mSEA-PNH
$986
6/9א'
1 stopKorean Air
28h 20mPNH-SEA
9/1א'
1 stopKorean Air
19h 30mSEA-PNH
$1,145
10/12ש'
2 stopsDelta
36h 42mPNH-SEA
10/16ד'
1 stopDelta
20h 05mSEA-PNH
$1,151
10/12ש'
2 stopsDelta
36h 42mPNH-SEA
10/16ד'
2 stopsDelta
48h 50mSEA-PNH
$1,170
7/20ש'
2 stopsPhilippine Airlines
44h 12mPNH-SEA
8/20ג'
2 stopsPhilippine Airlines
49h 00mSEA-PNH
$1,277
7/22ב'
1 stopSingapore Airlines
28h 20mPNH-SEA
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2 stopsSingapore Airlines
24h 45mSEA-PNH
$1,533
6/8ש'
2 stopsPhilippine Airlines
45h 25mPNH-SEA
9/1א'
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51h 59mSEA-PNH
$1,547
10/16ד'
2 stopsSingapore Airlines
31h 47mPNH-GEG
10/20א'
2 stopsSingapore Airlines
40h 50mGEG-PNH
$1,572
6/10ב'
3 stopsEmirates
39h 45mPNH-PDX
7/10ד'
3 stopsEmirates
40h 05mPDX-PNH
$2,584
6/15ש'
3 stopsEmirates
39h 45mPNH-PDX
6/28ו'
3 stopsEmirates
58h 35mPDX-PNH
$2,593

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Recent one-way flight deals

5/25ש'
1 stopKorean Air
28h 15mPNH-SEA
$716
5/29ד'
2 stops
34h 55mPNH-SEA
$730
5/24ו'
2 stops
34h 55mPNH-SEA
$809
8/9ו'
1 stopEVA Air
21h 15mPNH-SEA
$834
8/7ד'
1 stopEVA Air
21h 15mPNH-SEA
$965
8/17ש'
2 stopsSingapore Airlines
32h 46mPNH-SEA
$1,139
8/16ו'
2 stopsPhilippine Airlines
33h 54mPNH-SEA
$1,161
8/2ו'
2 stopsEmirates
30h 35mPNH-SEA
$1,283
7/31ד'
1 stopSingapore Airlines
28h 05mPNH-SEA
$2,061
8/10ש'
2 stopsPhilippine Airlines
35h 58mPNH-SEA
$3,116

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Last minute flights from Phnom Penh to Washington

Last minute flight, train and bus deals

5/20ב'
multi-stop
37h 55mPNH-SEA
6/29ש'
multi-stop
19h 25mSEA-PNH
$1,433
5/20ב'
multi-stopEVA Air
20h 55mPNH-SEA
6/29ש'
multi-stopEVA Air
19h 25mSEA-PNH
$1,458
5/20ב'
multi-stop
28h 15mPNH-SEA
6/30א'
multi-stop
24h 55mSEA-PNH
$1,490
5/20ב'
multi-stopKorean Air
28h 15mPNH-SEA
6/30א'
multi-stopKorean Air
19h 35mSEA-PNH
$1,536
5/20ב'
multi-stopAsiana Airlines
35h 39mPNH-SEA
6/30א'
multi-stopAsiana Airlines
50h 20mSEA-PNH
$1,671
5/20ב'
multi-stop
33h 00mPNH-SEA
6/30א'
multi-stop
29h 05mSEA-PNH
$1,887
5/21ג'
multi-stopPhilippine Airlines
47h 25mPNH-SEA
8/1ה'
multi-stopPhilippine Airlines
49h 19mSEA-PNH
$1,892
5/21ג'
multi-stopPhilippine Airlines
45h 25mPNH-SEA
9/9ב'
multi-stopPhilippine Airlines
26h 59mSEA-PNH
$2,141
5/21ג'
multi-stopPhilippine Airlines
44h 11mPNH-SEA
8/1ה'
multi-stopPhilippine Airlines
49h 19mSEA-PNH
$2,192
5/20ב'
multi-stop
34h 12mPNH-SEA
6/29ש'
multi-stop
19h 25mSEA-PNH
$2,239

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Phnom Penh - Washington Flights

Departure:

Phnom Penh (PNH)Cambodia

Return flight deals:

Washington - Phnom Penh

Cabin classes: