PDX - KTI

Find cheap flights from Portland to Phnom Penh - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

When to book
24 weeks
in advance
Our data shows that travelers who book at least 24 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 26% price drop
August
Most popular
Good to know
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Good to know
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Cheap Flights from Portland to Phnom Penh (PDX-KTI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Phnom Penh

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PDX  Portland Airport-KTI Phnom Penh Techo Intl
7514 mimulti-stop
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KTI  Phnom Penh Techo Intl-PDX Portland Airport
7514 mimulti-stop
Multiple Airlines
Booking Insights

Price, demand and travel trends for Portland to Phnom Penh flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Portland to Phnom Penh with more confidence.

What's the cheapest day of the week to fly from Portland to Phnom Penh?

Monday is the cheapest day of the week to fly from Portland to Phnom Penh, it is 8% cheaper than the average day. Tuesday is the most expensive day with flight prices 4% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Portland to Phnom Penh?

  • March is the cheapest month to fly from Portland to Phnom Penh at $963 round-trip.
  • July ($1,589) and June ($1,538) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Portland to Phnom Penh the cheapest?

Flights from Portland to Phnom Penh are cheapest 24 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Portland to Phnom Penh flights

Low season

February
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 6% increase in price.

When to book flights from Portland to Phnom Penh

Are your dates flexible? Find out the best times to travel from Portland to Phnom Penh based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Portland to Phnom Penh flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Portland to Phnom Penh?

    Flights from Portland to Phnom Penh usually depart from Portland (PDX) and arrive at Phnom Penh Techo Intl (KTI).

  • What cabin classes can I book on flights from Portland to Phnom Penh?

    Only Economy Class is available on flights from Portland to Phnom Penh.

  • Can I save money by using flexible dates for flights from Portland to Phnom Penh?

    Yes. Being flexible with your travel dates can save you up to 12% on the Portland to Phnom Penh route. Monday is the cheapest departure day at $1,197 round-trip on average, while Tuesday is the most expensive at $1,350, a difference of $153. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How expensive are last-minute Portland to Phnom Penh flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 10% above the route average of $1,294. Book 24 weeks before departure for the lowest fares.

  • Do I need a passport to fly from Portland to Phnom Penh?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • What is the time difference between Portland and Phnom Penh?

    Phnom Penh is 14 hours ahead of Portland (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a Portland to Phnom Penh flight?

    Round-trip flights from Portland to Phnom Penh range from $1,127 to $1,506, with an average of $1,294 over the past 12 months. Anything below $1,127 counts as a good deal.

Your guide to booking Portland to Phnom Penh flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Tuesday. On this route, Monday flights average $1,197 - about $153 less than Tuesday (11% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Portland to Phnom Penh trip for March. Fares historically average $963 round-trip in that month - typically $626 less than the most expensive month, which is July (based on the last 12 months).

Everything you need to know for your flight from Portland to Phnom Penh

Information on your arrival and departure airports

Portland (PDX)
Phnom Penh (KTI)