>>>>
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Find cheap one-way flights from Seattle to Phnom Penh starting at US$431.

Discover our range of affordable one-way and round-trip flights from Seattle to Phnom Penh and kick-start your next adventure today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Seattle to Phnom Penh Flight time & Schedules

Flight info.
Departure
Arrival
Weekly Schedule
  1. CI021

    00:10

    SEA

    13.2h

    05:20

    TPE

    SMT-T-S
  2. CI781

    07:15

    TPE

    3.4h

    09:40

    SGN

    SMTWTFS
  3. K6817

    12:00

    SGN

    1.0h

    13:00

    PNH

    SMTWTFS
  4. BR023

    00:50

    SEA

    12.3h

    04:10

    TPE

    -M-W-F-
  5. BR395

    07:40

    TPE

    3.4h

    10:05

    SGN

    SMTWTFS
  6. KT601

    13:25

    SGN

    0.8h

    14:15

    PNH

    S-T-T-S
  7. BR025

    01:50

    SEA

    12.3h

    05:10

    TPE

    SMTWTFS
  8. BR265

    08:45

    TPE

    3.7h

    11:25

    PNH

    SMTWTFS
  9. AA6420

    06:00

    SEA

    2.9h

    08:54

    LAX

    SMTWTFS
  10. MU586

    11:30

    LAX

    14.3h

    17:45

    PVG

    SMTWTFS
  11. MU759

    19:20

    PVG

    4.9h

    23:15

    PNH

    SMTWTFS
  12. DL1628

    07:10

    SEA

    2.8h

    09:57

    LAX

    SMTWTFS
  13. MU586

    11:30

    LAX

    14.3h

    17:45

    PVG

    SMTWTFS
  14. MU759

    19:20

    PVG

    4.9h

    23:15

    PNH

    SMTWTFS
  15. OZ271

    12:45

    SEA

    12.1h

    17:50

    ICN

    SMTWTFS
  16. OZ743

    20:20

    ICN

    6.0h

    00:20

    BKK

    SMTWTFS
  17. VZ720

    08:30

    BKK

    1.3h

    09:45

    PNH

    SMTWTFS
  18. OZ271

    12:45

    SEA

    12.1h

    17:50

    ICN

    SMTWTFS
  19. OZ739

    19:35

    ICN

    5.8h

    23:20

    PNH

    SMTWTFS
  20. DL197

    12:50

    SEA

    11.7h

    16:30

    ICN

    SMTWTFS
  21. KE689

    18:30

    ICN

    5.9h

    22:25

    PNH

    SMTWTFS
  22. KE042

    12:50

    SEA

    11.8h

    16:40

    ICN

    SMTWTFS
  23. KE689

    18:30

    ICN

    5.9h

    22:25

    PNH

    SMTWTFS
  24. AA7537

    17:59

    SEA

    2.2h

    20:13

    SFO

    SMTWTFS
  25. CX873

    00:15

    SFO

    14.8h

    06:00

    HKG

    SMTWTFS
  26. CX607

    08:40

    HKG

    2.8h

    10:25

    PNH

    SMTWTF-

When is the cheapest time to book flights from Seattle to Phnom Penh?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Phnom Penh from Seattle have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Seattle to Phnom Penh

Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from Seattle to Phnom Penh.

Frequently Asked Questions

  • When are flight tickets from Seattle (SEA) to Phnom Penh (PNH) the cheapest?

    Airlines adjust prices for flights from Seattle to Phnom Penh based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Seattle (SEA) to Phnom Penh (PNH) cost?

    According to Trip.com's data, the lowest price is around $1,046.
  • What is the transportation method from the main airport to downtown in Phnom Penh?

    • The distance from Phnom Penh International Airport to downtown is about 7 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Seattle to Phnom Penh

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Seattle to Phnom Penh Flight Information

Cheapest nonstop flight price$431
Off-season for travelMarch
Peak season for travelNovember
Flight distance11,969.96 km
Popular airlineEVA Air