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Cheap flights from Seattle to Phnom Penh from $461

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Phnom Penh departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Phnom Penh

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Phnom Penh that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Phnom Penh.

Cheap last minute flights

Planning a quick getaway from Seattle to Phnom Penh? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Phnom Penh, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Phnom Penh

Find recent round-trip train or bus tickets from Seattle to Phnom Penh.

All round-trip flight deals to Phnom Penh

The cheapest plane tickets to Phnom Penh found on KAYAK recently.
7:05 am - 11:15 pmSEA-PNH
25h 10m2 stops
12:15 am - 2:55 pmPNH-SEA
29h 40m2 stops
$796China Eastern
Find Deal
Tue, Dec 3 - Tue, Dec 10
9:40 am - 8:35 amSEA-PNH
32h 55m1 stop
6:25 pm - 8:45 amPNH-SEA
28h 20m1 stop
$827Singapore Airlines
Find Deal
Tue, Mar 18 - Wed, Apr 23
1:45 pm - 11:20 pmSEA-PNH
19h 35m1 stop
11:55 pm - 12:35 pmPNH-SEA
26h 40m1 stop
$837Asiana Airlines
Find Deal
Thu, Mar 13 - Sun, Mar 30
1:45 pm - 11:20 pmSEA-PNH
19h 35m1 stop
11:55 pm - 12:35 pmPNH-SEA
26h 40m1 stop
$850Asiana Airlines
Find Deal
Thu, Mar 13 - Sun, Mar 30
12:45 pm - 11:20 pmSEA-PNH
19h 35m1 stop
12:30 am - 10:55 amPNH-SEA
25h 25m1 stop
$861Asiana Airlines
Find Deal
Sun, Feb 2 - Wed, Feb 26
11:00 am - 10:25 pmSEA-PNH
20h 25m1 stop
11:45 pm - 9:00 amPNH-SEA
24h 15m1 stop
$955Korean Air
Find Deal
Mon, Feb 10 - Fri, Feb 28
11:00 am - 10:25 pmSEA-PNH
20h 25m1 stop
11:45 pm - 9:00 amPNH-SEA
24h 15m1 stop
$964Korean Air
Find Deal
Thu, Feb 6 - Fri, Feb 21
1:30 am - 11:15 amSEA-PNH
19h 45m1 stop
12:35 pm - 7:30 pmPNH-SEA
20h 55m1 stop
$1,059EVA Air
Find Deal
Mon, Apr 7 - Thu, May 8
1:10 am - 11:25 amSEA-PNH
20h 15m1 stop
12:35 pm - 7:30 pmPNH-SEA
20h 55m1 stop
$1,067EVA Air
Find Deal
Wed, Mar 12 - Sun, Mar 30
12:10 am - 4:15 pmSEA-PNH
25h 05m1 stop
5:20 pm - 6:15 pmPNH-SEA
15h 55m1 stop
$1,068China Airlines
Find Deal
Sat, Feb 8 - Mon, Feb 24
2:00 pm - 4:45 pmSEA-PNH
59h 45m3 stops
Mon, Jan 6
2:00 pm - 4:45 pmSEA-PNH
59h 45m3 stops
Mon, Jan 6
12:45 pm - 11:20 pmSEA-PNH
19h 35m1 stop
$493Asiana Airlines
Find Deal
Wed, Jan 8
12:45 pm - 11:20 pmSEA-PNH
19h 35m1 stop
$499Asiana Airlines
Find Deal
Tue, Jan 7
11:00 am - 10:25 pmSEA-PNH
20h 25m1 stop
$645Korean Air
Find Deal
Fri, Jan 24
12:10 am - 11:25 amSEA-PNH
20h 15m1 stop
$649EVA Air
Find Deal
Thu, Jan 23
12:10 am - 11:25 amSEA-PNH
20h 15m1 stop
$660EVA Air
Find Deal
Tue, Jan 7
3:45 pm - 10:25 pmSEA-PNH
39h 40m2 stops
$843Korean Air
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Thu, Dec 26
12:10 am - 10:35 amSEA-PNH
19h 25m1 stop
$1,219China Airlines
Find Deal
Mon, Dec 16
12:10 am - 4:15 pmSEA-PNH
25h 05m1 stop
$3,278China Airlines
Find Deal
Sat, Dec 28
12:45 pm - 11:20 pmSEA-PNH
19h 35m1 stop
12:30 am - 10:55 amPNH-SEA
25h 25m1 stop
$985Asiana Airlines
Find Deal
Tue, Nov 26 - Sun, Dec 22
12:10 am - 11:25 amSEA-PNH
20h 15m1 stop
12:45 pm - 6:10 pmPNH-SEA
20h 25m1 stop
$1,052EVA Air
Find Deal
Mon, Nov 25 - Mon, Dec 23
12:10 am - 6:35 pmSEA-PNH
27h 25m2 stops
5:20 pm - 6:15 pmPNH-SEA
15h 55m1 stop
$1,075
Find Deal
Mon, Nov 25 - Mon, Dec 23
11:00 am - 10:25 pmSEA-PNH
20h 25m1 stop
11:45 pm - 9:00 amPNH-SEA
24h 15m1 stop
$1,209Korean Air
Find Deal
Sun, Nov 24 - Sat, Dec 14
11:00 am - 10:25 pmSEA-PNH
20h 25m1 stop
11:45 pm - 1:13 pmPNH-SEA
28h 28m1 stop
$1,218Korean Air
Find Deal
Mon, Nov 25 - Sun, Dec 1
12:45 pm - 11:20 pmSEA-PNH
19h 35m1 stop
12:30 am - 10:55 amPNH-SEA
25h 25m1 stop
$1,223Asiana Airlines
Find Deal
Sun, Nov 24 - Fri, Dec 13
12:10 am - 11:25 amSEA-PNH
20h 15m1 stop
12:45 pm - 6:10 pmPNH-SEA
20h 25m1 stop
$1,289EVA Air
Find Deal
Sun, Nov 24 - Sun, Dec 1
7:05 am - 11:15 pmSEA-PNH
25h 10m2 stops
12:15 am - 10:10 amPNH-SEA
48h 55m2 stops
$1,475China Eastern
Find Deal
Sun, Nov 24 - Fri, Dec 13
6:20 am - 8:35 amSEA-PNH
35h 15m3 stops
1:45 pm - 9:58 amPNH-SEA
35h 13m2 stops
$1,892Singapore Airlines
Find Deal
Sun, Nov 24 - Sat, Dec 14
6:20 am - 8:35 amSEA-PNH
35h 15m3 stops
6:55 pm - 9:57 pmPNH-SEA
42h 02m3 stops
$1,916Singapore Airlines
Find Deal
Sun, Nov 24 - Sat, Dec 14

China Eastern flights from Seattle to Phnom Penh

Our best China Eastern deals on Seattle to Phnom Penh flight tickets
China Eastern
Dec 3
SEA7:05 amSeattle/Tacoma Intl
25h 10m
2 stops
PNH11:15 pmPhnom Penh Pochentong
Dec 10
PNH12:15 amPhnom Penh Pochentong
29h 40m
2 stops
SEA2:55 pmSeattle/Tacoma Intl
China Eastern
Feb 18
SEA7:10 amSeattle/Tacoma Intl
25h 05m
2 stops
PNH11:15 pmPhnom Penh Pochentong
Apr 2
PNH12:10 amPhnom Penh Pochentong
30h 50m
2 stops
SEA5:00 pmSeattle/Tacoma Intl

Singapore Airlines flights from Seattle to Phnom Penh

Our best Singapore Airlines deals on Seattle to Phnom Penh flight tickets
Singapore Airlines
Mar 18
SEA9:40 amSeattle/Tacoma Intl
32h 55m
1 stop
PNH8:35 amPhnom Penh Pochentong
Apr 23
PNH6:25 pmPhnom Penh Pochentong
28h 20m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
Mar 18
SEA5:59 pmSeattle/Tacoma Intl
28h 46m
2 stops
PNH12:45 pmPhnom Penh Pochentong
Apr 23
PNH6:25 pmPhnom Penh Pochentong
28h 20m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
Mar 4
SEA8:40 amSeattle/Tacoma Intl
37h 05m
1 stop
PNH12:45 pmPhnom Penh Pochentong
Apr 15
PNH6:25 pmPhnom Penh Pochentong
33h 52m
2 stops
SEA2:17 pmSeattle/Tacoma Intl

See travel insights to Phnom Penh from

How to get the cheapest flight ticket from Seattle to Phnom Penh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Phnom Penh?

In general, January is the cheapest month to fly from Seattle to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $996. If you aren’t able to travel to Phnom Penh during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,077.

What is the cheapest day to depart on your flight to Phnom Penh?

The cheapest day to depart from Seattle to Phnom Penh is on a Tuesday. Travelers who choose to depart for Phnom Penh on a Tuesday will often find tickets for as low as $1,100. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Phnom Penh for around $1,322.

What is the cheapest time of day to depart on your flight to Phnom Penh?

According to our data, the cheapest time of day to fly to Phnom Penh is in the morning. momondo users have found flights departing from Seattle to Phnom Penh in the morning for as low as $1,067. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Phnom Penh are more costly in the afternoon, with an average ticket price of $1,569. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Phnom Penh?

We recommend purchasing flights from Seattle to Phnom Penh 17 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Phnom Penh for $1,243. However, in the past 72 hours, people saw flights from Seattle for as low as $920.

Can stopping save me money on Seattle to Phnom Penh flights?

You could potentially save up to 11% on your flight if you consider stops on a Seattle to Phnom Penh flight.

How have Seattle to Phnom Penh flight prices changed over time?

As of November 2024, prices for Seattle to Phnom Penh flights are approximately 17% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Phnom Penh

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Phnom Penh according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Phnom Penh (SEA to PNH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Phnom Penh

Best Price Found

$461

Fastest flight time

18h 55m

Direct flights

None

Airports in Phnom Penh

1 airport
The best one-way flight to Phnom Penh from Seattle in the past 72 hours is $461. The best round-trip flight deal from Seattle to Phnom Penh found on momondo in the last 72 hours is $796.
The fastest flight from Seattle to Phnom Penh takes 18h 55m
There are no direct flights from Seattle to Phnom Penh. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Phnom Penh Pochentong Airport.
There is 1 airport near Phnom Penh: Phnom Penh Pochentong (PNH)

  • How far is Seattle/Tacoma Intl to Phnom Penh Pochentong by plane?

    There are 7420.4 mi between Seattle/Tacoma Intl and Phnom Penh Pochentong. Flights usually cover this in 18h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Phnom Penh Pochentong Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Phnom Penh Pochentong Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Phnom Penh Pochentong Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Phnom Penh Pochentong Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Phnom Penh Pochentong Airport.

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The travel and health documents you'll need for your trip to Phnom Penh Pochentong Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Phnom Penh Pochentong Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Phnom Penh?


Best airlines flying from Seattle to Phnom Penh

Compare and see reviews for airlines that fly from Seattle to Phnom Penh with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $796Free CancellationRating
8.1
1,338 reviews
Search Singapore Airlines flights
China AirlinesPriceFrom $877Free CancellationRating
8.2
776 reviews
Search China Airlines flights
Korean AirPriceFrom $892Free CancellationRating
8.4
1,024 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $893Free CancellationRating
8.3
476 reviews
Search Asiana Airlines flights
EVA AirPriceFrom $1,046Free CancellationRating
8.4
1,308 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Phnom Penh?

Finding the right flight to Phnom Penh from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Phnom Penh quick and easy, saving you time and money.

Can I find flights from Seattle to Phnom Penh with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Phnom Penh flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Phnom Penh?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Phnom Penh from Seattle.

I’m not ready to book a flight from Seattle to Phnom Penh right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Phnom Penh flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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