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Cheap flights from Washington to Phnom Penh (PNH) from $419

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 8/18. 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.
SEA — PNH
May 12 — May 191
From?
To?
Sun 5/12
Sun 5/19
1 adult, Economy
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How far in advance should I book a flight from State of Washington to Phnom Penh?

Travelers have found it’s best to book a flight 25 days in advance to save up to 14% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 25 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from State of Washington to Phnom Penh 1-2 weeks in advance for as low as $1,142, or $1,207 for flights within the next 24 hours.

What is the cheapest month to fly from State of Washington to Phnom Penh?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Phnom Penh. Flights to Phnom Penh from State of Washington in September are about $1,288 on average during September, but can be found for as low as $881.

When is the cheapest time to fly from State of Washington to Phnom Penh (WA - PNH)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Phnom Penh as you normally would.

Cheap Cathay Pacific flights from Washington to Phnom Penh

Explore cheap flight options specifically provided by Cathay Pacific for the route between Washington and Phnom Penh. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 7, 2024.
Consider these cheap Cathay Pacific flights we've found departing from Washington to Phnom Penh. It's recommended that users confirm their flight details before booking.
Sun 5/198:00 amSEA - PNH
2 stops36h 15mCathay Pacific
Wed 6/511:25 amPNH - SEA
2 stops35h 32mCathay Pacific
Deal found 5/6$1,491
Sun 5/198:00 amSEA - PNH
2 stops36h 15mCathay Pacific
Sat 6/16:30 pmPNH - SEA
2 stops28h 27mCathay Pacific
Deal found 5/6$1,541
Fri 5/177:00 amSEA - PNH
2 stops44h 10mCathay Pacific
Mon 6/311:25 amPNH - SEA
2 stops23h 06mCathay Pacific
Deal found 5/6$1,566
Fri 5/177:00 amSEA - PNH
2 stops44h 10mCathay Pacific
Sat 6/16:30 pmPNH - SEA
2 stops28h 27mCathay Pacific
Deal found 5/6$1,616
Mon 5/207:59 pmSEA - PNH
2 stops24h 16mCathay Pacific
Tue 6/411:25 amPNH - SEA
2 stops35h 32mCathay Pacific
Deal found 5/6$1,677
Sat 5/185:53 pmSEA - PNH
2 stops26h 22mCathay Pacific
Tue 6/411:25 amPNH - SEA
2 stops36h 33mCathay Pacific
Deal found 5/6$1,727
Thu 5/237:59 pmSEA - PNH
2 stops31h 11mCathay Pacific
Wed 6/511:25 amPNH - SEA
2 stops35h 32mCathay Pacific
Deal found 5/6$1,781
Fri 5/177:00 amSEA - PNH
2 stops44h 10mCathay Pacific
Sun 7/286:30 pmPNH - SEA
2 stops28h 21mCathay Pacific
Deal found 5/6$1,976

Cheap Emirates flights from Washington to Phnom Penh

Explore cheap flight options specifically provided by Emirates for the route between Washington and Phnom Penh. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 7, 2024.
Some of the best deals we've found on Emirates flights traveling from Washington to Phnom Penh. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sun 5/125:15 pmSEA - PNH
2 stops33h 20mEmirates
Fri 8/28:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,607
Thu 5/95:15 pmSEA - PNH
2 stops33h 20mEmirates
Mon 7/298:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,657
Sun 5/125:15 pmSEA - PNH
2 stops33h 20mEmirates
Thu 8/18:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,695
Thu 5/95:15 pmSEA - PNH
2 stops33h 20mEmirates
Tue 7/308:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,745
Thu 5/95:15 pmSEA - PNH
2 stops33h 20mEmirates
Sat 8/38:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,795
Wed 5/155:15 pmSEA - PNH
2 stops33h 20mEmirates
Fri 8/28:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,798
Thu 5/165:15 pmSEA - PNH
2 stops33h 20mEmirates
Thu 8/18:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,832
Wed 5/155:15 pmSEA - PNH
2 stops33h 20mEmirates
Sun 7/288:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,848
Thu 5/165:15 pmSEA - PNH
2 stops33h 20mEmirates
Sat 8/38:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,882

Cheap Washington to Phnom Penh flights in May & June 2024

Find cheap flight options from Washington to Phnom Penh specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Prices were last updated on May 7, 2024.
These are some of the most attractive deals on flights from Washington to Phnom Penh in 2024. Check back soon for alternative fares.
Mon 5/66:15 amSEA - PNH
2 stops25h 55mKorean Air
Tue 5/2111:40 pmPNH - SEA
1 stop25h 10mKorean Air
Deal found 5/4$1,107
Mon 5/66:15 amSEA - PNH
2 stops25h 55mKorean Air
Mon 5/2711:40 pmPNH - SEA
2 stops30h 24mKorean Air
Deal found 5/4$1,118
Mon 5/66:15 amSEA - PNH
2 stops25h 55mKorean Air
Sat 5/2511:40 pmPNH - SEA
1 stop28h 15mKorean Air
Deal found 5/4$1,147
Mon 5/66:15 amSEA - PNH
2 stops25h 55mKorean Air
Sat 5/1811:40 pmPNH - SEA
2 stops30h 24mKorean Air
Deal found 5/4$1,158
Mon 5/66:15 amSEA - PNH
2 stops25h 55mKorean Air
Wed 5/2911:40 pmPNH - SEA
1 stop25h 10mKorean Air
Deal found 5/4$1,212
Mon 5/66:15 amSEA - PNH
2 stops25h 55mKorean Air
Thu 5/3011:40 pmPNH - SEA
1 stop25h 10mKorean Air
Deal found 5/4$1,217
Mon 5/66:00 pmSEA - PNH
2 stops25h 50mMultiple Airlines
Mon 5/135:10 pmPNH - SEA
2 stops53h 35mMultiple Airlines
Deal found 5/5$1,259
Mon 5/66:15 amSEA - PNH
2 stops25h 55mKorean Air
Sun 5/2611:40 pmPNH - SEA
2 stops36h 24mKorean Air
Deal found 5/4$1,268
Tue 5/72:20 pmSEA - PNH
1 stop18h 35mAsiana Airlines
Wed 5/2211:55 pmPNH - SEA
1 stop26h 50mAsiana Airlines
Deal found 5/4$1,302

Washington to Phnom Penh 2024 flight deals

Discover exclusive flight deals for travel between Washington and Phnom Penh in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 7, 2024.
These are some of the most attractive deals on flights from Washington to Phnom Penh in 2024. Check back soon for alternative fares.
Tue 10/1510:15 amSEA - PNH
1 stop32h 25mSingapore Airlines
Mon 10/212:05 pmPNH - SEA
1 stop32h 40mSingapore Airlines
Deal found 5/5$712
Thu 9/510:15 amSEA - PNH
1 stop32h 25mSingapore Airlines
Wed 10/99:35 amPNH - SEA
1 stop37h 10mSingapore Airlines
Deal found 5/5$744
Thu 10/1711:20 amSEA - PNH
2 stops31h 20mSingapore Airlines
Wed 11/69:35 amPNH - SEA
1 stop36h 40mSingapore Airlines
Deal found 5/5$865
Sun 11/2410:35 pmSEA - PNH
1 stop34h 10mPhilippine Airlines
Thu 11/2812:45 amPNH - SEA
1 stop32h 30mPhilippine Airlines
Deal found 5/6$876
Tue 10/110:15 amSEA - PNH
1 stop36h 50mSingapore Airlines
Wed 10/239:35 amPNH - SEA
1 stop37h 10mSingapore Airlines
Deal found 5/5$888
Thu 9/510:15 amSEA - PNH
1 stop32h 25mSingapore Airlines
Wed 10/92:05 pmPNH - SEA
2 stops32h 13mSingapore Airlines
Deal found 5/5$903
Thu 10/1710:15 amSEA - PNH
1 stop36h 50mSingapore Airlines
Sat 12/79:35 amPNH - SEA
1 stop36h 40mSingapore Airlines
Deal found 5/5$938
Tue 10/111:20 amSEA - PNH
2 stops31h 20mSingapore Airlines
Wed 10/239:35 amPNH - SEA
1 stop37h 10mSingapore Airlines
Deal found 5/5$952
Thu 11/78:45 amSEA - PNH
1 stop37h 00mSingapore Airlines
Sat 12/79:35 amPNH - SEA
1 stop36h 40mSingapore Airlines
Deal found 5/5$970

Washington to Phnom Penh flights leaving soon

Find last-minute flight options from Washington to Phnom Penh for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 7, 2024.
Check out these flights departing soon from Washington to Phnom Penh. To prevent any unwanted surprises, users should verify their flight info before booking.
Fri 5/177:00 amSEA - PNH
2 stops44h 10mCathay Pacific
Mon 6/311:25 amPNH - SEA
2 stops23h 06mCathay Pacific
Deal found 5/6$1,566
Sun 5/125:15 pmSEA - PNH
2 stops33h 20mEmirates
Fri 8/28:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,607
Fri 5/177:00 amSEA - PNH
2 stops44h 10mCathay Pacific
Sat 6/16:30 pmPNH - SEA
2 stops28h 27mCathay Pacific
Deal found 5/6$1,616
Fri 5/177:59 pmSEA - PNH
2 stops23h 51mMultiple Airlines
Thu 6/65:10 pmPNH - SEA
2 stops29h 47mMultiple Airlines
Deal found 5/6$1,619
Fri 5/177:59 pmSEA - PNH
2 stops23h 51mMultiple Airlines
Fri 5/3110:50 amPNH - SEA
2 stops26h 00mMultiple Airlines
Deal found 5/6$1,629
Sun 5/125:15 pmSEA - PNH
2 stops33h 20mEmirates
Sun 7/288:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,657
Sun 5/125:15 pmSEA - PNH
2 stops33h 20mEmirates
Thu 8/18:50 pmPNH - SEA
2 stops30h 35mEmirates
Deal found 5/6$1,695
Thu 5/169:15 pmSEA - PNH
2 stops46h 35mMultiple Airlines
Mon 7/295:10 pmPNH - SEA
1 stop16h 40mMultiple Airlines
Deal found 5/6$1,714
Tue 5/145:50 pmSEA - PNH
2 stops32h 15mMultiple Airlines
Mon 7/295:10 pmPNH - SEA
1 stop16h 40mMultiple Airlines
Deal found 5/6$1,729

One-way flights to Phnom Penh from Washington

Search for one-way flight options from Washington to Phnom Penh. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 7, 2024.
Take a look at some of the one-way flights we've detected from Washington to Phnom Penh. Users needing a return flight from Washington to Phnom Penh should utilize the search form above.
Sun 8/1810:15 amSEA - PNH
1 stop32h 25mSingapore Airlines
Deal found 5/6$419
Mon 10/141:10 amSEA - PNH
1 stop18h 40mChina Airlines
Deal found 5/5$516
Tue 10/1510:15 amSEA - PNH
1 stop32h 25mSingapore Airlines
Deal found 5/5$556
Sat 8/171:40 amSEA - PNH
1 stop24h 25mChina Airlines
Deal found 5/6$594
Tue 10/1511:20 amSEA - PNH
2 stops31h 20mSingapore Airlines
Deal found 5/5$612
Mon 10/141:30 amSEA - PNH
2 stops28h 25mMultiple Airlines
Deal found 5/5$659
Sun 8/185:30 pmSEA - PNH
2 stops38h 40mKorean Air
Deal found 5/6$663
Sat 8/172:10 amSEA - PNH
2 stops27h 45mMultiple Airlines
Deal found 5/6$694
Mon 10/141:10 amSEA - PNH
3 stops30h 30mMultiple Airlines
Deal found 5/5$708

Find flights from Washington to Phnom Penh within your budget

Customize your flight search to find flights from Washington to Phnom Penh 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 2,689,106 searches. Data last updated May 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,154 - $1,895

Route

Depart

Return

Price

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sun 8/4

2 stops36h 11m

Phnom Penh Pochentong

Sat 8/24

2 stops30h 01m

$1,154

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sat 8/3

1 stop19h 05m

Phnom Penh Pochentong

Sat 8/24

1 stop21h 15m

$1,366

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sat 8/3

1 stop19h 05m

Phnom Penh Pochentong

Sat 8/24

2 stops38h 20m

$1,379

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sun 5/19

2 stops36h 15m

Phnom Penh Pochentong

Wed 6/5

2 stops35h 32m

$1,491

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sun 5/12

2 stops33h 20m

Phnom Penh Pochentong

Fri 8/2

2 stops30h 35m

$1,607

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Mon 5/20

2 stops40h 11m

Phnom Penh Pochentong

Mon 6/3

3 stops38h 17m

$1,637

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Mon 6/3

1 stop18h 35m

Phnom Penh Pochentong

Mon 6/10

1 stop26h 50m

$1,645

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sun 8/4

2 stops51h 59m

Phnom Penh Pochentong

Fri 8/23

2 stops46h 20m

$1,725

Seattle/Tacoma IntlPhnom Penh Pochentong

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Thu 7/11

3 stops36h 25m

Phnom Penh Pochentong

Thu 8/15

2 stops57h 47m

$1,895

Flights are sorted by cheapest first

Deals found on 5/5

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated May 7, 2024.
Get a feel of what it's like to fly with Cathay Pacific, Emirates and China Southern from Washington to Phnom Penh by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,184 reviews
Check prices

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Food

8.2

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

Korean Air
8.5
Very good
1,184 reviews
Korean Air
8.5
Very good
1,184 reviews
Check prices

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Food

8.2

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

EVA Air
8.4
Very good
1,538 reviews
Korean Air
8.5
Very good
1,184 reviews
Check prices

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Food

8.2

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

Asiana Airlines
8.4
Very good
584 reviews
Korean Air
8.5
Very good
1,184 reviews
Check prices

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Food

8.2

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

China Airlines
8.3
Very good
930 reviews
Korean Air
8.5
Very good
1,184 reviews
Check prices

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Food

8.2

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

Singapore Airlines
8.3
Very good
1,465 reviews
Korean Air
8.5
Very good
1,184 reviews
Check prices

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Food

8.2

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

Related info for your journey

Find useful and relevant information for your journey from Washington to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Phnom Penh from Washington?

    Located just 5.0 mi from the city center, Phnom Penh Pochentong (PNH) is the airport most travelers will use when flying to Phnom Penh from Washington.

  • Can I find flights from State of Washington to Phnom Penh for under $1,200 on Cheapflights?

    Yes, there are multiple flights from State of Washington to Phnom Penh for under $1,200. The cheapest flight booked recently is on Korean Air for just $1,154, but on average you can expect to pay $1,462.

  • Are there last-minute flights available from State of Washington to Phnom Penh for under $1,600?

    There are currently 20+ open flights from State of Washington to Phnom Penh within the next 7 days for less than $1,600.

  • What are the cheapest airlines to fly from State of Washington to Phnom Penh one-way?

    For one-way options, check prices for Singapore Airlines. According to our data, you can fly for as low as $419. Users have also found prices from $516 and $663 on China Airlines and Korean Air, respectively.

  • What are the most popular airlines that fly from State of Washington to Phnom Penh?

    Consider EVA Air, Korean Air or Malaysia Airlines when booking your flight. These represent the most popular airlines when flying from State of Washington to Phnom Penh.

  • What does SEA to PNH mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Phnom Penh Pochentong Airport flight would often be abbreviated as a SEA to PNH flight. Spokane Airport (GEG), Pasco Tri Cities Airport (PSC), Bellingham Airport (BLI), Everett Paine Field Airport (PAE), Seattle Lake Union Spb Airport (LKE) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Washington to Phnom Penh that include extra baggage allowance?

    The amount of baggage you can bring on your Washington to Phnom Penh flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington to Phnom Penh with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington to Phnom Penh flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Washington to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on Washington to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Phnom Penh.

  • Can I find deals for business class flights from Washington to Phnom Penh?

    Yes. Cheapflights offers flight deals from Washington to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Washington to Phnom Penh that allow pets onboard?

    Many airlines flying from Washington to Phnom Penh offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington to Phnom Penh?

    Yes, you can often find last-minute deals on Washington to Phnom Penh flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the State of Washington to Phnom Penh flight deals updated?

    The State of Washington to Phnom Penh flight deals you see on this page were last updated on 5/6.

See more FAQs

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Alternative routes for Washington to Phnom Penh
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Top 5 airlines flying from Washington to Phnom Penh

Discover the top 5 airlines that operate flights from Washington to Phnom Penh. 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 2,689,106 searches. Data last updated May 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$798Average$1,132FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Singapore AirlinesCheapest$829Average$1,037FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Asiana AirlinesCheapest$917Average$1,345FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
EVA AirCheapest$1,070Average$1,323FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Malaysia AirlinesCheapest$1,625Average$1,700FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
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Search flights from Washington to Phnom Penh by cabin class

Find flights from Washington to Phnom Penh, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Can Cheapflights notify me if prices for flights from Washington to Phnom Penh become cheaper?

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