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Flights from Portland to Phnom Penh

What to know about flights from Portland to Phnom Penh?

The approximate distance between Portland and Phnom Penh is 12,087.76 km. According to Trip.com data, travel demand hits its peak in December.

Cheapest one-way
US$518
Frontier Airlines Frontier Airlines PDX-KTI 40h 13m · 2 stops Thu, Sep 17
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Cheapest round-trip
US$1,089
Delta Air Lines Delta Air Lines PDX-KTI 45h 30m · 4 stops Tue, Sep 8 - Tue, Sep 15
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Recommended airlines
Frontier Airlines Frontier Airlines Cheapest · From US$518 Delta Air Lines Delta Air Lines Most booked
When to fly
November
Cheapest
December
Peak season
Route details
12,087.76 km
Flight distance

Explore the cheapest one-way and round-trip flights from Portland to Phnom Penh over the next 90 days, with one-way fares from US$518 and round-trip from US$1,089. Based on Trip.com's latest 7-day flight data.

      • PDX 12:45
        45h 30m
        2 stops
        KTI 00:15
        Portland - Phnom Penh | Tue, Sep 8 | Delta Air Lines
        KTI 01:20
        29h 17m
        2 stops
        PDX 16:37
        Phnom Penh - Portland | Tue, Sep 15 | China Eastern Airlines
        US$1,089 US$2,566
        57% off
        57% off
        US$2,566 US$1,089
      • PDX 18:18
        26h 57m
        2 stops
        KTI 11:15
        Portland - Phnom Penh | Sat, Oct 17 | Alaska Airlines
        KTI 12:35
        22h 15m
        2 stops
        PDX 20:50
        Phnom Penh - Portland | Sat, Oct 24 | EVA Air
        US$1,413 US$2,566
        45% off
        45% off
        US$2,566 US$1,413
      • PDX 19:29
        25h 46m
        2 stops
        KTI 11:15
        Portland - Phnom Penh | Sat, Oct 17 | United Airlines
        KTI 12:35
        22h 15m
        2 stops
        PDX 20:50
        Phnom Penh - Portland | Sat, Oct 24 | EVA Air
        US$1,506 US$2,566
        41% off
        41% off
        US$2,566 US$1,506
      • PDX 15:33
        32h 7m
        2 stops
        KTI 13:40
        Portland - Phnom Penh | Tue, Sep 8 | Alaska Airlines
        KTI 14:40
        34h 10m
        2 stops
        PDX 10:50
        Phnom Penh - Portland | Tue, Sep 15 | Singapore Airlines
        US$1,659
        35% off
        US$2,566 US$1,659
      • PDX 07:05
        27h 10m
        2 stops
        KTI 00:15
        Portland - Phnom Penh | Sat, Oct 17 | Delta Air Lines
        KTI 01:20
        28h 59m
        2 stops
        PDX 16:19
        Phnom Penh - Portland | Sat, Oct 24 | China Eastern Airlines
        US$1,673
        35% off
        US$2,566 US$1,673
      • PDX 07:05
        27h 10m
        2 stops
        KTI 00:15
        Portland - Phnom Penh | Thu, Oct 15 | Delta Air Lines
        KTI 01:20
        28h 59m
        2 stops
        PDX 16:19
        Phnom Penh - Portland | Thu, Oct 22 | China Eastern Airlines
        US$1,706
        34% off
        US$2,566 US$1,706
      • PDX 19:15
        37h 10m
        2 stops
        KTI 22:25
        Portland - Phnom Penh | Sat, Sep 19 | United Airlines
        KTI 23:25
        35h 35m
        2 stops
        PDX 21:00
        Phnom Penh - Portland | Thu, Sep 24 | Asiana Airlines
        US$1,892
        26% off
        US$2,566 US$1,892
      • PDX 15:33
        32h 7m
        2 stops
        KTI 13:40
        Portland - Phnom Penh | Sat, Sep 19 | Alaska Airlines
        KTI 18:55
        32h 55m
        2 stops
        PDX 13:50
        Phnom Penh - Portland | Thu, Sep 24 | Singapore Airlines
        US$2,083
        19% off
        US$2,566 US$2,083
      • PDX 17:34
        40h 41m
        2 stops
        KTI 00:15
        Portland - Phnom Penh | Sat, Sep 19 | Delta Air Lines
        KTI 01:20
        29h 17m
        2 stops
        PDX 16:37
        Phnom Penh - Portland | Thu, Sep 24 | China Eastern Airlines
        US$2,262
        12% off
        US$2,566 US$2,262
      • PDX 13:03
        37h 37m
        2 stops
        KTI 16:40
        Portland - Phnom Penh | Thu, Oct 15 | United Airlines
        KTI 20:45
        38h 15m
        2 stops
        PDX 21:00
        Phnom Penh - Portland | Thu, Oct 22 | Emirates
        US$2,309
        10% off
        US$2,566 US$2,309
      • PDX 13:00
        17h 25m
        1 stop
        KTI 14:00
        Portland - Phnom Penh | Sun, Sep 6 | Normal Airline
        KTI 15:00
        6h
        Nonstop
        PDX 16:00
        Phnom Penh - Portland | Tue, Sep 8 | Normal Airline
        More cheap flights
        More cheap flights
      • PDX 11:02
        40h 13m
        2 stops
        KTI 17:15
        Portland - Phnom Penh | Thu, Sep 17 | Frontier Airlines
        US$518 US$615
        16% off
        16% off
        US$615 US$518
      • PDX 09:51
        22h 24m
        2 stops
        KTI 22:15
        Portland - Phnom Penh | Wed, Sep 30 | Korean Air
        US$545 US$615
        11% off
        11% off
        US$615 US$545
      • PDX 09:51
        22h 24m
        2 stops
        KTI 22:15
        Portland - Phnom Penh | Thu, Sep 17 | Korean Air
        US$545 US$615
        11% off
        11% off
        US$615 US$545
      • PDX 06:08
        26h 7m
        2 stops
        KTI 22:15
        Portland - Phnom Penh | Tue, Sep 15 | Korean Air
        US$546
        11% off
        US$615 US$546
      • PDX 09:51
        22h 24m
        2 stops
        KTI 22:15
        Portland - Phnom Penh | Thu, Sep 17 | Delta Air Lines
        US$546
        11% off
        US$615 US$546
      • PDX 05:30
        26h 45m
        2 stops
        KTI 22:15
        Portland - Phnom Penh | Tue, Sep 15 | Delta Air Lines
        US$546
        11% off
        US$615 US$546
      • PDX 17:34
        38h 41m
        2 stops
        KTI 22:15
        Portland - Phnom Penh | Sun, Sep 27 | Korean Air
        US$550
        11% off
        US$615 US$550
      • PDX 17:49
        38h 26m
        2 stops
        KTI 22:15
        Portland - Phnom Penh | Sun, Sep 27 | Delta Air Lines
        US$550
        11% off
        US$615 US$550
      • PDX 17:55
        26h 20m
        2 stops
        KTI 10:15
        Portland - Phnom Penh | Sun, Sep 27 | Alaska Airlines
        US$551
        10% off
        US$615 US$551
      • PDX 21:35
        29h 40m
        2 stops
        KTI 17:15
        Portland - Phnom Penh | Mon, Sep 14 | Alaska Airlines
        US$553
        10% off
        US$615 US$553
      • PDX 13:00
        17h 25m
        1 stop
        KTI 14:00
        Portland - Phnom Penh | Sun, Sep 6 | Normal Airline
        More cheap flights
        More cheap flights

Which airlines are the most popular for Portland to Phnom Penh flights?

You can choose from 2 airlines that fly from Portland to Phnom Penh, including Delta Air Lines, EVA Air, Frontier Airlines has lowest fares on this route.
Delta Air Lines logo Delta Air Lines
EVA Air logo EVA Air
Airlines are determined based on actual purchased flight tickets from Portland to Phnom Penh according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Portland to Phnom Penh (PDX-KTI)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$518 on Cheapest nonstop routes (e.g. PDX to KTI on Thu, Sep 17), while Delta Air Lines offers Cheapest nonstop round-trips from US$1,089 departing on Tue, Sep 8 and returning on Tue, Sep 15.
  • At the moment, several airlines serve connecting flights from Portland to Phnom Penh, including: Delta Air Lines EVA Air Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Portland to Phnom Penh is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Portland to Phnom Penh, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Sep 17, with one-way flights priced at just US$518.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Phnom Penh travel is around December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Portland to Phnom Penh is November, when demand for travel is lower.
  • You can land at any one of the following hubs in Phnom Penh: Techo International Airport (KTI), and Phnom Penh International Airport (PNH). Flying from Portland International Airport to Techo International Airport (PDX-KTI) is by far the most common option on this route.
  • The time difference between Phnom Penh and Portland is 15h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Enter Portland and Phnom Penh, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Trip.com Airline Insights on Flights from Portland to Phnom Penh

Which airline offers the cheapest direct flights from Portland to Phnom Penh?

Data is based on the average price of all nonstop flights from Portland to Phnom Penh on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, United Airlines provides the lowest-priced direct flights from Portland to Phnom Penh, with fares starting at US$775.

US$625
US$775
US$926
US$1,076
US$1,226
United Airlines
US$775
United Airlines
Korean Air
US$954
Korean Air
Alaska Airlines
US$1,226
Alaska Airlines

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.